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diff --git a/EvtGen/EvtGen.hh b/EvtGen/EvtGen.hh
--- a/EvtGen/EvtGen.hh
+++ b/EvtGen/EvtGen.hh
@@ -23,8 +23,8 @@
#include "EvtGenBase/EvtPDL.hh"
-#include <list>
#include <iostream>
+#include <list>
class EvtParticle;
class EvtRandomEngine;
@@ -38,14 +38,16 @@
class EvtGen {
public:
EvtGen( const std::string& decayName, const std::string& pdtTableName,
- EvtRandomEngine* randomEngine = 0, EvtAbsRadCorr* isrEngine = 0,
- const std::list<EvtDecayBase*>* extraModels = 0, int mixingType = 1,
- bool useXml = false );
+ EvtRandomEngine* randomEngine = nullptr,
+ EvtAbsRadCorr* isrEngine = nullptr,
+ const std::list<EvtDecayBase*>* extraModels = nullptr,
+ int mixingType = 1, bool useXml = false );
EvtGen( const std::string& decayName, std::istream& pdtTableData,
- EvtRandomEngine* randomEngine = 0, EvtAbsRadCorr* isrEngine = 0,
- const std::list<EvtDecayBase*>* extraModels = 0, int mixingType = 1,
- bool useXml = false );
+ EvtRandomEngine* randomEngine = nullptr,
+ EvtAbsRadCorr* isrEngine = nullptr,
+ const std::list<EvtDecayBase*>* extraModels = nullptr,
+ int mixingType = 1, bool useXml = false );
~EvtGen();
@@ -53,16 +55,15 @@
EvtHepMCEvent* generateDecay( int PDGid, EvtVector4R refFrameP4,
EvtVector4R translation,
- EvtSpinDensity* spinDensity = 0 );
+ EvtSpinDensity* spinDensity = nullptr );
void generateDecay( EvtParticle* p );
private:
-
void initialize( const std::string& decayName, std::istream& pdtTable,
- EvtRandomEngine* randomEngine = 0,
- EvtAbsRadCorr* isrEngine = 0,
- const std::list<EvtDecayBase*>* extraModels = 0,
+ EvtRandomEngine* randomEngine = nullptr,
+ EvtAbsRadCorr* isrEngine = nullptr,
+ const std::list<EvtDecayBase*>* extraModels = nullptr,
int mixingType = 1, bool useXml = false );
EvtPDL _pdl;
diff --git a/EvtGenBase/EvtAmp.hh b/EvtGenBase/EvtAmp.hh
--- a/EvtGenBase/EvtAmp.hh
+++ b/EvtGenBase/EvtAmp.hh
@@ -52,29 +52,35 @@
EvtAmp& operator=( const EvtAmp& amp );
/**
- * sets the amplitudes calculated in the decay objects
- */
- void vertex( const EvtComplex& amp );
+ * sets the amplitudes calculated in the decay objects
+ */
+ void vertex( const EvtComplex& amp ) { _amp[0] = amp; }
/**
- * sets the amplitudes calculated in the decay objects
- */
- void vertex( int i1, const EvtComplex& amp );
+ * sets the amplitudes calculated in the decay objects
+ */
+ void vertex( int i1, const EvtComplex& amp ) { _amp[i1] = amp; }
/**
- * sets the amplitudes calculated in the decay objects
- */
- void vertex( int i1, int i2, const EvtComplex& amp );
+ * sets the amplitudes calculated in the decay objects
+ */
+ void vertex( int i1, int i2, const EvtComplex& amp )
+ {
+ _amp[i1 + i2 * _nstate[0]] = amp;
+ }
/**
- * sets the amplitudes calculated in the decay objects
- */
- void vertex( int i1, int i2, int i3, const EvtComplex& amp );
+ * sets the amplitudes calculated in the decay objects
+ */
+ void vertex( int i1, int i2, int i3, const EvtComplex& amp )
+ {
+ _amp[i1 + ( i2 + i3 * _nstate[1] ) * _nstate[0]] = amp;
+ }
/**
- * sets the amplitudes calculated in the decay objects
- */
- void vertex( int* i1, const EvtComplex& amp );
+ * sets the amplitudes calculated in the decay objects
+ */
+ void vertex( int* i1, const EvtComplex& amp ) { setAmp( i1, amp ); }
void dump();
@@ -86,8 +92,10 @@
void setNState( int parent_states, int* daug_states );
// the amplitudes
- EvtComplex _amp[125];
-
+ union {
+ double _dummybuf[125 * 2];
+ EvtComplex _amp[125];
+ };
// the number of daughters
int _ndaug;
diff --git a/EvtGenBase/EvtComplex.hh b/EvtGenBase/EvtComplex.hh
--- a/EvtGenBase/EvtComplex.hh
+++ b/EvtGenBase/EvtComplex.hh
@@ -48,6 +48,8 @@
inline friend double imag( const EvtComplex& c );
inline friend EvtComplex exp( const EvtComplex& c );
friend std::ostream& operator<<( std::ostream& s, const EvtComplex& c );
+ inline friend EvtComplex operator&( const EvtComplex&, const EvtComplex& );
+ inline friend EvtComplex operator|( const EvtComplex&, const EvtComplex& );
public:
EvtComplex() : _rpart( 0.0 ), _ipart( 0.0 ) {}
@@ -60,8 +62,8 @@
}
inline EvtComplex& operator*=( double d );
inline EvtComplex& operator/=( double d );
- EvtComplex& operator*=( EvtComplex c );
- EvtComplex& operator/=( EvtComplex c );
+ inline EvtComplex& operator*=( EvtComplex c );
+ inline EvtComplex& operator/=( EvtComplex c );
inline EvtComplex& operator=( const EvtComplex& c );
inline EvtComplex& operator+=( const EvtComplex& c );
inline EvtComplex& operator-=( const EvtComplex& c );
@@ -168,6 +170,22 @@
c1._rpart * c2._ipart + c1._ipart * c2._rpart );
}
+// conj(c1)*c2 -- don't forget that the operators "&" and "|" has
+// priority less than the arithmetic operations -- explicit brackets
+// around are necessary!
+EvtComplex operator&( const EvtComplex& c1, const EvtComplex& c2 )
+{
+ return EvtComplex( c1._rpart * c2._rpart + c1._ipart * c2._ipart,
+ c1._rpart * c2._ipart - c1._ipart * c2._rpart );
+}
+
+// c1*conj(c2)
+EvtComplex operator|( const EvtComplex& c1, const EvtComplex& c2 )
+{
+ return EvtComplex( c1._rpart * c2._rpart + c1._ipart * c2._ipart,
+ c1._ipart * c2._rpart - c1._rpart * c2._ipart );
+}
+
EvtComplex operator-( const EvtComplex& c1, const EvtComplex& c2 )
{
return EvtComplex( c1._rpart - c2._rpart, c1._ipart - c2._ipart );
@@ -242,4 +260,27 @@
return exp( c._rpart ) * EvtComplex( cos( c._ipart ), sin( c._ipart ) );
}
+inline EvtComplex& EvtComplex::operator*=( EvtComplex c )
+{
+ double r = _rpart * c._rpart - _ipart * c._ipart;
+ double i = _rpart * c._ipart + _ipart * c._rpart;
+
+ _rpart = r;
+ _ipart = i;
+
+ return *this;
+}
+
+inline EvtComplex& EvtComplex::operator/=( EvtComplex c )
+{
+ double inv = 1.0 / ( c._rpart * c._rpart + c._ipart * c._ipart );
+
+ double r = inv * ( _rpart * c._rpart + _ipart * c._ipart );
+ double i = inv * ( _ipart * c._rpart - _rpart * c._ipart );
+
+ _rpart = r;
+ _ipart = i;
+
+ return *this;
+}
#endif
diff --git a/EvtGenBase/EvtDecayProb.hh b/EvtGenBase/EvtDecayProb.hh
--- a/EvtGenBase/EvtDecayProb.hh
+++ b/EvtGenBase/EvtDecayProb.hh
@@ -34,8 +34,8 @@
inline void setWeight( double weight ) { _weight = weight; }
private:
- double _prob {1.0};
- double _weight {1.0};
+ double _prob{ 1.0 };
+ double _weight{ 1.0 };
};
#endif
diff --git a/EvtGenBase/EvtDiLog.hh b/EvtGenBase/EvtDiLog.hh
--- a/EvtGenBase/EvtDiLog.hh
+++ b/EvtGenBase/EvtDiLog.hh
@@ -46,6 +46,6 @@
0.00000000434545063, -0.00000000060578480, 0.00000000008612098,
-0.00000000001244332, 0.00000000000182256, -0.00000000000027007,
0.00000000000004042, -0.00000000000000610, 0.00000000000000093,
- -0.00000000000000014, 0.00000000000000002};
+ -0.00000000000000014, 0.00000000000000002 };
} // namespace EvtDiLog
#endif // EVTGENBASE_EVTDILOG_HH
diff --git a/EvtGenBase/EvtDiracSpinor.hh b/EvtGenBase/EvtDiracSpinor.hh
--- a/EvtGenBase/EvtDiracSpinor.hh
+++ b/EvtGenBase/EvtDiracSpinor.hh
@@ -62,28 +62,34 @@
public:
inline EvtDiracSpinor();
- EvtDiracSpinor( const EvtComplex& sp0, const EvtComplex& sp1,
- const EvtComplex& sp2, const EvtComplex& sp3 );
+ inline EvtDiracSpinor( const EvtComplex& sp0, const EvtComplex& sp1,
+ const EvtComplex& sp2, const EvtComplex& sp3 );
inline EvtDiracSpinor( const EvtDiracSpinor& dspinor );
inline EvtDiracSpinor& operator=( const EvtDiracSpinor& dspinor );
inline EvtDiracSpinor& operator+=( const EvtDiracSpinor& u2 );
inline EvtDiracSpinor& operator-=( const EvtDiracSpinor& u2 );
- void set( const EvtComplex& sp0, const EvtComplex& sp1,
- const EvtComplex& sp2, const EvtComplex& sp3 );
- void set_spinor( int i, const EvtComplex& sp );
- const EvtComplex& get_spinor( int i ) const;
+ inline void set( const EvtComplex& sp0, const EvtComplex& sp1,
+ const EvtComplex& sp2, const EvtComplex& sp3 );
+ inline void set_spinor( int i, const EvtComplex& sp );
+ inline EvtComplex get_spinor( int i ) const;
EvtDiracSpinor conj() const;
void applyRotateEuler( double alpha, double beta, double gamma );
void applyBoostTo( const EvtVector4R& p4 );
void applyBoostTo( const EvtVector3R& boost );
EvtDiracSpinor adjoint() const;
+ inline EvtComplex operator[]( int i ) const { return spinor[i]; }
+ inline EvtComplex& operator[]( int i ) { return spinor[i]; }
+
private:
EvtComplex spinor[4];
};
+void EvtLeptonVandACurrents( EvtVector4C&, EvtVector4C&, const EvtDiracSpinor&,
+ const EvtDiracSpinor& );
+
EvtDiracSpinor::EvtDiracSpinor()
{
spinor[0] = EvtComplex();
@@ -100,6 +106,31 @@
spinor[3] = dspinor.spinor[3];
}
+EvtDiracSpinor::EvtDiracSpinor( const EvtComplex& sp0, const EvtComplex& sp1,
+ const EvtComplex& sp2, const EvtComplex& sp3 )
+{
+ set( sp0, sp1, sp2, sp3 );
+}
+
+void EvtDiracSpinor::set( const EvtComplex& sp0, const EvtComplex& sp1,
+ const EvtComplex& sp2, const EvtComplex& sp3 )
+{
+ spinor[0] = sp0;
+ spinor[1] = sp1;
+ spinor[2] = sp2;
+ spinor[3] = sp3;
+}
+
+void EvtDiracSpinor::set_spinor( int i, const EvtComplex& sp )
+{
+ spinor[i] = sp;
+}
+
+EvtComplex EvtDiracSpinor::get_spinor( int i ) const
+{
+ return spinor[i];
+}
+
EvtDiracSpinor& EvtDiracSpinor::operator=( const EvtDiracSpinor& dspinor )
{
spinor[0] = dspinor.spinor[0];
diff --git a/EvtGenBase/EvtGenKine.hh b/EvtGenBase/EvtGenKine.hh
--- a/EvtGenBase/EvtGenKine.hh
+++ b/EvtGenBase/EvtGenKine.hh
@@ -23,15 +23,19 @@
class EvtVector4R;
class EvtParticle;
+class EvtLinSample;
class EvtGenKine {
public:
- static double PhaseSpace( int ndaug, double mass[30], EvtVector4R p4[30],
- double mp );
+ static double PhaseSpace( int ndaug, const double mass[30],
+ EvtVector4R p4[30], double mp );
static double PhaseSpacePole( double M, double m1, double m2, double m3,
double a, EvtVector4R p4[10] );
+ static double PhaseSpacePole2( double M, double m1, double m2, double m3,
+ EvtVector4R p4[10], const EvtLinSample& );
+
/*
* Function which takes two invariant masses squared in 3-body decay and
* parent after makeDaughters() and generateMassTree() and
diff --git a/EvtGenBase/EvtLinSample.hh b/EvtGenBase/EvtLinSample.hh
new file mode 100644
--- /dev/null
+++ b/EvtGenBase/EvtLinSample.hh
@@ -0,0 +1,20 @@
+#ifndef EVTLINSAMPLE_HH
+#define EVTLINSAMPLE_HH
+
+#include <vector>
+struct EvtPointf {
+ float x, y;
+};
+
+struct EvtLinSample {
+ EvtLinSample() {}
+ EvtLinSample( const char* );
+ EvtLinSample( const std::vector<EvtPointf>& _v ) { init( _v ); }
+ void init( const std::vector<EvtPointf>& _v );
+ std::pair<double, double> operator()( double ) const;
+
+ std::vector<EvtPointf> v;
+ std::vector<double> I;
+};
+
+#endif
diff --git a/EvtGenBase/EvtMTRandomEngine.hh b/EvtGenBase/EvtMTRandomEngine.hh
--- a/EvtGenBase/EvtMTRandomEngine.hh
+++ b/EvtGenBase/EvtMTRandomEngine.hh
@@ -31,11 +31,10 @@
virtual double random();
- private:
- std::mt19937 engine_;
+ virtual unsigned long urandom();
- typedef std::uniform_real_distribution<double> URDist;
- URDist distribution_;
+ private:
+ std::mt19937_64 engine_;
};
#endif
diff --git a/EvtGenBase/EvtModel.hh b/EvtGenBase/EvtModel.hh
--- a/EvtGenBase/EvtModel.hh
+++ b/EvtGenBase/EvtModel.hh
@@ -55,7 +55,7 @@
inline EvtModel& EvtModel::instance()
{
- if ( _instance == 0 )
+ if ( _instance == nullptr )
_instance = new EvtModel;
return *_instance;
}
diff --git a/EvtGenBase/EvtPDL.hh b/EvtGenBase/EvtPDL.hh
--- a/EvtGenBase/EvtPDL.hh
+++ b/EvtGenBase/EvtPDL.hh
@@ -26,10 +26,10 @@
#include "EvtGenBase/EvtSpinType.hh"
#include "EvtGenBase/EvtStringHash.hh"
+#include <iostream>
#include <map>
-#include <vector>
#include <string>
-#include <iostream>
+#include <vector>
const int SPIN_NAME_LENGTH = 100;
diff --git a/EvtGenBase/EvtParticle.hh b/EvtGenBase/EvtParticle.hh
--- a/EvtGenBase/EvtParticle.hh
+++ b/EvtGenBase/EvtParticle.hh
@@ -180,7 +180,7 @@
/**
* Iterates over the particles in a decay chain.
*/
- EvtParticle* nextIter( EvtParticle* rootOfTree = 0 );
+ EvtParticle* nextIter( EvtParticle* rootOfTree = nullptr );
/**
* Makes stdhep list
@@ -365,7 +365,7 @@
/**
* Get forward spin density matrix.
*/
- EvtSpinDensity getSpinDensityForward() { return _rhoForward; }
+ const EvtSpinDensity& getSpinDensityForward() const { return _rhoForward; }
/**
* Set backward spin density matrix.
diff --git a/EvtGenBase/EvtParticleDecay.hh b/EvtGenBase/EvtParticleDecay.hh
--- a/EvtGenBase/EvtParticleDecay.hh
+++ b/EvtGenBase/EvtParticleDecay.hh
@@ -27,14 +27,14 @@
public:
EvtParticleDecay()
{
- _decay = 0;
+ _decay = nullptr;
_brfrsum = 0.0;
_massmin = 0.0;
}
~EvtParticleDecay()
{
- if ( _decay != 0 )
+ if ( _decay != nullptr )
delete _decay;
}
diff --git a/EvtGenBase/EvtParticleDecayList.hh b/EvtGenBase/EvtParticleDecayList.hh
--- a/EvtGenBase/EvtParticleDecayList.hh
+++ b/EvtGenBase/EvtParticleDecayList.hh
@@ -29,7 +29,7 @@
public:
EvtParticleDecayList()
{
- _decaylist = 0;
+ _decaylist = nullptr;
_nmode = 0;
_rawbrfrsum = 0;
}
diff --git a/EvtGenBase/EvtPdf.hh b/EvtGenBase/EvtPdf.hh
--- a/EvtGenBase/EvtPdf.hh
+++ b/EvtGenBase/EvtPdf.hh
@@ -144,9 +144,9 @@
public:
typedef T result_type;
- EvtPdfGen() : _pdf( 0 ) {}
+ EvtPdfGen() : _pdf( nullptr ) {}
EvtPdfGen( const EvtPdfGen<T>& other ) :
- _pdf( other._pdf ? other._pdf->clone() : 0 )
+ _pdf( other._pdf ? other._pdf->clone() : nullptr )
{
}
EvtPdfGen( const EvtPdf<T>& pdf ) : _pdf( pdf.clone() ) {}
diff --git a/EvtGenBase/EvtRandom.hh b/EvtGenBase/EvtRandom.hh
--- a/EvtGenBase/EvtRandom.hh
+++ b/EvtGenBase/EvtRandom.hh
@@ -34,6 +34,8 @@
static double random();
+ static unsigned long urandom();
+
//This class does not take ownership of the random engine;
//the caller needs to make sure that the engine is not
//destroyed.
diff --git a/EvtGenBase/EvtRandomEngine.hh b/EvtGenBase/EvtRandomEngine.hh
--- a/EvtGenBase/EvtRandomEngine.hh
+++ b/EvtGenBase/EvtRandomEngine.hh
@@ -31,6 +31,8 @@
virtual double random() = 0;
+ virtual unsigned long urandom() = 0;
+
private:
};
diff --git a/EvtGenBase/EvtReport.hh b/EvtGenBase/EvtReport.hh
--- a/EvtGenBase/EvtReport.hh
+++ b/EvtGenBase/EvtReport.hh
@@ -54,7 +54,8 @@
};
// function declaration
-std::ostream& EvtGenReport( EvtGenSeverity severity, const char* facility = 0 );
+std::ostream& EvtGenReport( EvtGenSeverity severity,
+ const char* facility = nullptr );
// inline function definitions
diff --git a/EvtGenBase/EvtSimpleRandomEngine.hh b/EvtGenBase/EvtSimpleRandomEngine.hh
--- a/EvtGenBase/EvtSimpleRandomEngine.hh
+++ b/EvtGenBase/EvtSimpleRandomEngine.hh
@@ -31,6 +31,8 @@
double random() override;
+ unsigned long urandom() override;
+
private:
unsigned long int _next;
};
diff --git a/EvtGenBase/EvtSpinAmp.hh b/EvtGenBase/EvtSpinAmp.hh
--- a/EvtGenBase/EvtSpinAmp.hh
+++ b/EvtGenBase/EvtSpinAmp.hh
@@ -64,7 +64,7 @@
EvtSpinAmp& operator-=( const EvtSpinAmp& );
// Direct Product
- EvtSpinAmp operator*(const EvtSpinAmp&)const;
+ EvtSpinAmp operator*( const EvtSpinAmp& ) const;
EvtSpinAmp& operator*=( const EvtSpinAmp& );
EvtSpinAmp& operator*=( const EvtComplex& );
diff --git a/EvtGenBase/EvtSpinDensity.hh b/EvtGenBase/EvtSpinDensity.hh
--- a/EvtGenBase/EvtSpinDensity.hh
+++ b/EvtGenBase/EvtSpinDensity.hh
@@ -22,29 +22,77 @@
#define EVTSPINDENSITY_HH
#include "EvtGenBase/EvtComplex.hh"
+#include <cassert>
+
// Description: This class holds a spin density matrix, it is
// a complex nxn matrix.
class EvtSpinDensity {
public:
+ EvtSpinDensity() : dim( 0 ), rho( nullptr ) {}
+ EvtSpinDensity( int n ) : dim( 0 ), rho( nullptr ) { setDim( n ); }
EvtSpinDensity( const EvtSpinDensity& density );
EvtSpinDensity& operator=( const EvtSpinDensity& density );
virtual ~EvtSpinDensity();
- EvtSpinDensity();
void setDim( int n );
- int getDim() const;
- void set( int i, int j, const EvtComplex& rhoij );
- const EvtComplex& get( int i, int j ) const;
- double normalizedProb( const EvtSpinDensity& d );
+ int getDim() const { return dim; }
+ void set( int i, int j, const EvtComplex& rhoij )
+ {
+ assert( i < dim && j < dim );
+ rho[i * dim + j] = rhoij;
+ }
+ EvtComplex get( int i, int j ) const
+ {
+ assert( i < dim && j < dim );
+ return rho[i * dim + j];
+ }
+ EvtComplex operator()( int i, int j ) const
+ {
+ assert( i < dim && j < dim );
+ return rho[i * dim + j];
+ }
+ EvtComplex& operator()( int i, int j )
+ {
+ assert( i < dim && j < dim );
+ return rho[i * dim + j];
+ }
+ EvtSpinDensity& operator-=( const EvtSpinDensity& d )
+ {
+ assert( dim == d.dim );
+ for ( int i = 0; i < dim * dim; i++ )
+ rho[i] -= d.rho[i];
+ return *this;
+ }
+ EvtSpinDensity& operator+=( const EvtSpinDensity& d )
+ {
+ assert( dim == d.dim );
+ for ( int i = 0; i < dim * dim; i++ )
+ rho[i] += d.rho[i];
+ return *this;
+ }
+ double normalizedProb( const EvtSpinDensity& d ) const;
friend std::ostream& operator<<( std::ostream& s, const EvtSpinDensity& d );
void setDiag( int n );
-
int check();
private:
- EvtComplexPtrPtr rho;
int dim;
+ EvtComplex* rho;
};
+inline EvtSpinDensity operator-( const EvtSpinDensity& a, const EvtSpinDensity& b )
+{
+ EvtSpinDensity t( a );
+ t -= b;
+ return t;
+}
+
+inline EvtSpinDensity operator+( const EvtSpinDensity& a, const EvtSpinDensity& b )
+{
+ EvtSpinDensity t( a );
+ t -= b;
+ return t;
+}
+
#endif
diff --git a/EvtGenBase/EvtStreamInputIterator.hh b/EvtGenBase/EvtStreamInputIterator.hh
--- a/EvtGenBase/EvtStreamInputIterator.hh
+++ b/EvtGenBase/EvtStreamInputIterator.hh
@@ -40,10 +40,10 @@
typedef const Point* pointer;
typedef const Point& reference;
- EvtStreamInputIterator() : _counter( 0 ) {}
+ EvtStreamInputIterator() : _counter( nullptr ) {}
EvtStreamInputIterator( const EvtStreamInputIterator& other ) :
- _counter( other._counter ? other._counter->clone() : 0 ),
+ _counter( other._counter ? other._counter->clone() : nullptr ),
_currentValue( other._currentValue )
{
}
diff --git a/EvtGenBase/EvtTensor4C.hh b/EvtGenBase/EvtTensor4C.hh
--- a/EvtGenBase/EvtTensor4C.hh
+++ b/EvtGenBase/EvtTensor4C.hh
@@ -33,6 +33,11 @@
EvtTensor4C directProd( const EvtVector4R& c1, const EvtVector4R& c2 );
EvtTensor4C directProd( const EvtVector4C& c1, const EvtVector4C& c2 );
EvtTensor4C directProd( const EvtVector4C& c1, const EvtVector4R& c2 );
+ EvtTensor4C asymProd( const EvtVector4R&, const EvtVector4R& );
+ EvtVector4R asymProd( const EvtVector4R& a, const EvtVector4R& b,
+ const EvtVector4R& c );
+ EvtVector4C asymProd( const EvtVector4C& a, const EvtVector4R& b,
+ const EvtVector4R& c );
} // namespace EvtGenFunctions
class EvtTensor4C final {
@@ -42,6 +47,8 @@
const EvtVector4C& c2 );
friend EvtTensor4C EvtGenFunctions::directProd( const EvtVector4C& c1,
const EvtVector4R& c2 );
+ friend EvtTensor4C EvtGenFunctions::asymProd( const EvtVector4R&,
+ const EvtVector4R& );
friend EvtTensor4C rotateEuler( const EvtTensor4C& e, double alpha,
double beta, double gamma );
@@ -89,6 +96,7 @@
EvtVector4C cont2( const EvtVector4C& v4 ) const;
EvtVector4C cont1( const EvtVector4R& v4 ) const;
EvtVector4C cont2( const EvtVector4R& v4 ) const;
+ EvtTensor4C& addScaled( EvtComplex, const EvtTensor4C& );
private:
EvtComplex t[4][4];
diff --git a/EvtGenBase/EvtVector4C.hh b/EvtGenBase/EvtVector4C.hh
--- a/EvtGenBase/EvtVector4C.hh
+++ b/EvtGenBase/EvtVector4C.hh
@@ -45,9 +45,9 @@
friend EvtVector4C operator-( const EvtVector4C& v1, const EvtVector4C& v2 );
public:
- EvtVector4C();
- EvtVector4C( const EvtComplex&, const EvtComplex&, const EvtComplex&,
- const EvtComplex& );
+ inline EvtVector4C(){};
+ inline EvtVector4C( const EvtComplex&, const EvtComplex&, const EvtComplex&,
+ const EvtComplex& );
inline void set( int, const EvtComplex& );
inline void set( const EvtComplex&, const EvtComplex&, const EvtComplex&,
const EvtComplex& );
@@ -70,6 +70,15 @@
EvtComplex v[4];
};
+inline EvtVector4C::EvtVector4C( const EvtComplex& e0, const EvtComplex& e1,
+ const EvtComplex& e2, const EvtComplex& e3 )
+{
+ v[0] = e0;
+ v[1] = e1;
+ v[2] = e2;
+ v[3] = e3;
+}
+
EvtVector4C rotateEuler( const EvtVector4C& e, double alpha, double beta,
double gamma );
EvtVector4C boostTo( const EvtVector4C& e, const EvtVector4R p4 );
diff --git a/EvtGenBase/EvtVectorParticle.hh b/EvtGenBase/EvtVectorParticle.hh
--- a/EvtGenBase/EvtVectorParticle.hh
+++ b/EvtGenBase/EvtVectorParticle.hh
@@ -33,12 +33,12 @@
void init( EvtId part_n, double e, double px, double py, double pz );
void init( EvtId part_n, const EvtVector4R& p ) override;
- void init( EvtId part_n, const EvtVector4R& p, const EvtVector4C&,
- const EvtVector4C&, const EvtVector4C& );
- EvtVector4C epsParent( int i ) const override
- {
- return boostTo( _eps[i], this->getP4() );
- }
+ // void init( EvtId part_n, const EvtVector4R& p, const EvtVector4C&,
+ // const EvtVector4C&, const EvtVector4C& );
+ EvtVector4C epsParent( int i ) const override;
+ // {
+ // return boostTo( _eps[i], this->getP4() );
+ // }
EvtVector4C eps( int i ) const override { return _eps[i]; }
EvtSpinDensity rotateToHelicityBasis() const override;
EvtSpinDensity rotateToHelicityBasis( double alpha, double beta,
diff --git a/EvtGenModels/EvtBTo3hCP.hh b/EvtGenModels/EvtBTo3hCP.hh
--- a/EvtGenModels/EvtBTo3hCP.hh
+++ b/EvtGenModels/EvtBTo3hCP.hh
@@ -28,7 +28,6 @@
class EvtBTo3hCP {
public:
-
void EvtKpipi( double alpha, double beta, int iset, EvtVector4R& p_K_plus,
EvtVector4R& p_pi_minus, EvtVector4R& p_gamma_1,
EvtVector4R& p_gamma_2, double& Real_B0, double& Imag_B0,
@@ -97,8 +96,8 @@
NatKrho;
double alphaCP = 1.365;
double betaCP = 0.362;
- double MA2 = 27.927981186;
- double MB2 = 27.929242450;
+ double MA2 = 27.927981186;
+ double MB2 = 27.929242450;
double MC2 = 28.153482608;
double pi = 3.141592653;
double Mass_rho = 0.770;
diff --git a/EvtGenModels/EvtFlatSqDalitz.hh b/EvtGenModels/EvtFlatSqDalitz.hh
--- a/EvtGenModels/EvtFlatSqDalitz.hh
+++ b/EvtGenModels/EvtFlatSqDalitz.hh
@@ -30,7 +30,6 @@
class EvtFlatSqDalitz : public EvtDecayIncoherent {
public:
-
std::string getName() override;
EvtDecayBase* clone() override;
diff --git a/EvtGenModels/EvtFourBodyPhsp.hh b/EvtGenModels/EvtFourBodyPhsp.hh
--- a/EvtGenModels/EvtFourBodyPhsp.hh
+++ b/EvtGenModels/EvtFourBodyPhsp.hh
@@ -21,11 +21,11 @@
#ifndef EVTFOURBODYPHSP_HH
#define EVTFOURBODYPHSP_HH
-#include <vector>
+#include "EvtGenBase/EvtDecayProb.hh"
+
#include <array>
#include <utility>
-
-#include "EvtGenBase/EvtDecayProb.hh"
+#include <vector>
class EvtParticle;
@@ -84,9 +84,9 @@
Shape m_boundaryShape;
- bool m_stableMother{true};
- bool m_stableDaughters{true};
- bool m_fixedBoundary{true};
+ bool m_stableMother{ true };
+ bool m_stableDaughters{ true };
+ bool m_fixedBoundary{ true };
};
#endif
diff --git a/EvtGenModels/EvtIntervalDecayAmp.hh b/EvtGenModels/EvtIntervalDecayAmp.hh
--- a/EvtGenModels/EvtIntervalDecayAmp.hh
+++ b/EvtGenModels/EvtIntervalDecayAmp.hh
@@ -44,7 +44,7 @@
template <class T>
class EvtIntervalDecayAmp : public EvtDecayAmp {
public:
- EvtIntervalDecayAmp() : _probMax( 0. ), _nScan( 0 ), _fact( 0 ) {}
+ EvtIntervalDecayAmp() : _probMax( 0. ), _nScan( 0 ), _fact( nullptr ) {}
EvtIntervalDecayAmp( const EvtIntervalDecayAmp<T>& other ) :
_probMax( other._probMax ), _nScan( other._nScan ), COPY_PTR( _fact )
diff --git a/EvtGenModels/EvtModelReg.hh b/EvtGenModels/EvtModelReg.hh
--- a/EvtGenModels/EvtModelReg.hh
+++ b/EvtGenModels/EvtModelReg.hh
@@ -27,7 +27,7 @@
class EvtModelReg {
public:
- EvtModelReg( const std::list<EvtDecayBase*>* extraModels = 0 );
+ EvtModelReg( const std::list<EvtDecayBase*>* extraModels = nullptr );
private:
};
diff --git a/EvtGenModels/EvtMultibody.hh b/EvtGenModels/EvtMultibody.hh
--- a/EvtGenModels/EvtMultibody.hh
+++ b/EvtGenModels/EvtMultibody.hh
@@ -29,8 +29,8 @@
public:
EvtMultibody()
{
- _decayTree = NULL;
- _ilist = NULL;
+ _decayTree = nullptr;
+ _ilist = nullptr;
}
~EvtMultibody();
diff --git a/EvtGenModels/EvtPi0Dalitz.hh b/EvtGenModels/EvtPi0Dalitz.hh
--- a/EvtGenModels/EvtPi0Dalitz.hh
+++ b/EvtGenModels/EvtPi0Dalitz.hh
@@ -36,7 +36,7 @@
void decay( EvtParticle* p ) override;
private:
- double m_poleSize{ 0.00000002 };
+ double m_poleSize{ 1 };
// Following are rho mass and width, but in order to keep consistency
// with what was done before do not use data from particle table.
diff --git a/EvtGenModels/EvtRareLbToLllFFBase.hh b/EvtGenModels/EvtRareLbToLllFFBase.hh
--- a/EvtGenModels/EvtRareLbToLllFFBase.hh
+++ b/EvtGenModels/EvtRareLbToLllFFBase.hh
@@ -63,8 +63,10 @@
virtual ~EvtRareLbToLllFFBase(){};
protected:
- double calculateVdotV( const EvtParticle& parent, const EvtParticle& lambda ) const;
- double calculateVdotV( const EvtParticle&, const EvtParticle&, double qsq ) const;
+ double calculateVdotV( const EvtParticle& parent,
+ const EvtParticle& lambda ) const;
+ double calculateVdotV( const EvtParticle&, const EvtParticle&,
+ double qsq ) const;
EvtIdSet natural_;
};
diff --git a/EvtGenBase/EvtMTRandomEngine.hh b/EvtGenModels/EvtbTosllBSZFF.hh
copy from EvtGenBase/EvtMTRandomEngine.hh
copy to EvtGenModels/EvtbTosllBSZFF.hh
--- a/EvtGenBase/EvtMTRandomEngine.hh
+++ b/EvtGenModels/EvtbTosllBSZFF.hh
@@ -18,24 +18,23 @@
* along with EvtGen. If not, see <https://www.gnu.org/licenses/>. *
***********************************************************************/
-#ifndef EVTMTRANDOMENGINE_HH
-#define EVTMTRANDOMENGINE_HH
+#ifndef EVTBTOSLLBSZFF_HH
+#define EVTBTOSLLBSZFF_HH
-#include "EvtGenBase/EvtRandomEngine.hh"
+#include "EvtGenModels/EvtbTosllFF.hh"
-#include <random>
+class EvtId;
-class EvtMTRandomEngine : public EvtRandomEngine {
- public:
- EvtMTRandomEngine( unsigned int seed = 1430957218 );
-
- virtual double random();
+// Description: Form factors for b->sll according to Aoife Bharucha, David M. Straub, Roman Zwicky
+// https://arxiv.org/abs/1503.05534
- private:
- std::mt19937 engine_;
+class EvtbTosllBSZFF : public EvtbTosllFF {
+ public:
+ EvtbTosllBSZFF() {}
- typedef std::uniform_real_distribution<double> URDist;
- URDist distribution_;
+ void getVectorFF( EvtId parent, EvtId vmeson, double q2, double vmesonmass,
+ double& a1, double& a2, double& a0, double& v, double& t1,
+ double& t2, double& t3 ) override;
};
#endif
diff --git a/EvtGenModels/EvtMultibody.hh b/EvtGenModels/EvtbTosllNP.hh
copy from EvtGenModels/EvtMultibody.hh
copy to EvtGenModels/EvtbTosllNP.hh
--- a/EvtGenModels/EvtMultibody.hh
+++ b/EvtGenModels/EvtbTosllNP.hh
@@ -18,33 +18,32 @@
* along with EvtGen. If not, see <https://www.gnu.org/licenses/>. *
***********************************************************************/
-#ifndef EVTMULTIBODY_HH
-#define EVTMULTIBODY_HH
+#ifndef EVTBTOSLLNP_HH
+#define EVTBTOSLLNP_HH
#include "EvtGenBase/EvtDecayAmp.hh"
-#include "EvtGenBase/EvtMTree.hh"
-#include "EvtGenBase/EvtSpinAmp.hh"
-class EvtMultibody : public EvtDecayAmp {
- public:
- EvtMultibody()
- {
- _decayTree = NULL;
- _ilist = NULL;
- }
- ~EvtMultibody();
+#include <memory>
+
+class EvtbTosllFF;
+class EvtbTosllAmp;
+class EvtParticle;
+// Description:Implementation of the b->sll decays according to Rusa and Rahul
+
+class EvtbTosllNP : public EvtDecayAmp {
+ public:
std::string getName() override;
EvtDecayBase* clone() override;
+ void decay( EvtParticle* p ) override;
void init() override;
void initProbMax() override;
- void decay( EvtParticle* p ) override;
-
private:
- EvtMTree* _decayTree;
- int* _ilist;
+ std::unique_ptr<EvtbTosllAmp> _calcamp;
+ std::unique_ptr<EvtbTosllFF> _ffmodel;
+ double _poleSize;
};
#endif
diff --git a/EvtGenModels/EvtMultibody.hh b/EvtGenModels/EvtbTosllNPR.hh
copy from EvtGenModels/EvtMultibody.hh
copy to EvtGenModels/EvtbTosllNPR.hh
--- a/EvtGenModels/EvtMultibody.hh
+++ b/EvtGenModels/EvtbTosllNPR.hh
@@ -18,33 +18,34 @@
* along with EvtGen. If not, see <https://www.gnu.org/licenses/>. *
***********************************************************************/
-#ifndef EVTMULTIBODY_HH
-#define EVTMULTIBODY_HH
+#ifndef EVTBTOSLLNPR_HH
+#define EVTBTOSLLNPR_HH
#include "EvtGenBase/EvtDecayAmp.hh"
-#include "EvtGenBase/EvtMTree.hh"
-#include "EvtGenBase/EvtSpinAmp.hh"
+#include "EvtGenBase/EvtLinSample.hh"
-class EvtMultibody : public EvtDecayAmp {
- public:
- EvtMultibody()
- {
- _decayTree = NULL;
- _ilist = NULL;
- }
- ~EvtMultibody();
+#include <memory>
+
+class EvtbTosllFF;
+class EvtbTosllAmp;
+class EvtParticle;
+// Description: Implementation of the b->sll decays with resonances according to Rusa and Rahul
+
+class EvtbTosllNPR : public EvtDecayAmp {
+ public:
std::string getName() override;
EvtDecayBase* clone() override;
+ void decay( EvtParticle* p ) override;
void init() override;
void initProbMax() override;
- void decay( EvtParticle* p ) override;
-
private:
- EvtMTree* _decayTree;
- int* _ilist;
+ std::unique_ptr<EvtbTosllAmp> _calcamp;
+ std::unique_ptr<EvtbTosllFF> _ffmodel;
+ double _poleSize;
+ EvtLinSample _ls;
};
#endif
diff --git a/EvtGenBase/EvtSpinDensity.hh b/EvtGenModels/EvtbTosllVectorAmpNP.hh
copy from EvtGenBase/EvtSpinDensity.hh
copy to EvtGenModels/EvtbTosllVectorAmpNP.hh
--- a/EvtGenBase/EvtSpinDensity.hh
+++ b/EvtGenModels/EvtbTosllVectorAmpNP.hh
@@ -18,33 +18,38 @@
* along with EvtGen. If not, see <https://www.gnu.org/licenses/>. *
***********************************************************************/
-#ifndef EVTSPINDENSITY_HH
-#define EVTSPINDENSITY_HH
+#ifndef EVTBTOSLLVECTORAMPNP_HH
+#define EVTBTOSLLVECTORAMPNP_HH
+
#include "EvtGenBase/EvtComplex.hh"
-// Description: This class holds a spin density matrix, it is
-// a complex nxn matrix.
+#include "EvtGenModels/EvtbTosllAmp.hh"
+
+#include <ccomplex>
+#include <vector>
+
+class EvtAmp;
+class EvtParticle;
+class EvtbTosllFF;
-class EvtSpinDensity {
+class EvtbTosllVectorAmpNP : public EvtbTosllAmp {
public:
- EvtSpinDensity( const EvtSpinDensity& density );
- EvtSpinDensity& operator=( const EvtSpinDensity& density );
- virtual ~EvtSpinDensity();
-
- EvtSpinDensity();
- void setDim( int n );
- int getDim() const;
- void set( int i, int j, const EvtComplex& rhoij );
- const EvtComplex& get( int i, int j ) const;
- double normalizedProb( const EvtSpinDensity& d );
- friend std::ostream& operator<<( std::ostream& s, const EvtSpinDensity& d );
- void setDiag( int n );
-
- int check();
-
- private:
- EvtComplexPtrPtr rho;
- int dim;
+ EvtbTosllVectorAmpNP() :
+ m_c7p( 0 ), m_c9p( 0 ), m_c10p( 0 ), m_cS( 0 ), m_cP( 0 )
+ {
+ }
+ void CalcAmp( EvtParticle* parent, EvtAmp& amp,
+ EvtbTosllFF* formFactors ) override;
+
+ EvtComplex m_dc7; // delta C_7eff -- addition to NNLO SM value
+ EvtComplex m_dc9; // delta C_9eff -- addition to NNLO SM value
+ EvtComplex m_dc10; // delta C_10eff -- addition to NNLO SM value
+ EvtComplex m_c7p; // C'_7eff -- right hand polarizations
+ EvtComplex m_c9p; // C'_9eff -- right hand polarizations
+ EvtComplex m_c10p; // c'_10eff -- right hand polarizations
+ EvtComplex m_cS; // (C_S - C'_S) -- scalar right and left polarizations
+ EvtComplex m_cP; // (C_P - C'_P) -- pseudo-scalar right and left polarizations
+ std::vector<std::pair<double, std::complex<double>>> m_reso; // resonance contribution
};
#endif
diff --git a/src/EvtGen.cpp b/src/EvtGen.cpp
--- a/src/EvtGen.cpp
+++ b/src/EvtGen.cpp
@@ -91,7 +91,7 @@
{
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << "Initializing EvtGen" << endl;
- if ( randomEngine == 0 ) {
+ if ( randomEngine == nullptr ) {
static EvtSimpleRandomEngine defaultRandomEngine;
EvtRandom::setRandomEngine( &defaultRandomEngine );
EvtGenReport( EVTGEN_INFO, "EvtGen" )
@@ -123,7 +123,7 @@
// Set the radiative correction engine
- if ( isrEngine != 0 ) {
+ if ( isrEngine != nullptr ) {
EvtRadCorr::setRadCorrEngine( isrEngine );
} else {
@@ -164,9 +164,9 @@
EvtVector4R translation,
EvtSpinDensity* spinDensity )
{
- EvtParticle* theParticle( 0 );
+ EvtParticle* theParticle( nullptr );
- if ( spinDensity == 0 ) {
+ if ( spinDensity == nullptr ) {
theParticle = EvtParticleFactory::particleFactory(
EvtPDL::evtIdFromStdHep( PDGId ), refFrameP4 );
} else {
diff --git a/src/EvtGenBase/EvtAmp.cpp b/src/EvtGenBase/EvtAmp.cpp
--- a/src/EvtGenBase/EvtAmp.cpp
+++ b/src/EvtGenBase/EvtAmp.cpp
@@ -141,64 +141,31 @@
EvtSpinDensity EvtAmp::getSpinDensity()
{
+ int np = _pstates;
EvtSpinDensity rho;
- rho.setDim( _pstates );
-
- EvtComplex temp;
-
- int i, j, n;
-
- if ( _pstates == 1 ) {
- if ( _nontrivial == 0 ) {
- rho.set( 0, 0, _amp[0] * conj( _amp[0] ) );
- return rho;
- }
-
- n = 1;
-
- temp = EvtComplex( 0.0 );
-
- for ( i = 0; i < _nontrivial; i++ ) {
+ rho.setDim( np );
+ if ( np == 1 ) {
+ double a = abs2( _amp[0] );
+ int n = 1;
+ for ( int i = 0; i < _nontrivial; i++ )
n *= _nstate[i];
- }
-
- for ( i = 0; i < n; i++ ) {
- temp += _amp[i] * conj( _amp[i] );
- }
-
- rho.set( 0, 0, temp );
- ;
-
- return rho;
-
- }
-
- else {
- for ( i = 0; i < _pstates; i++ ) {
- for ( j = 0; j < _pstates; j++ ) {
- temp = EvtComplex( 0.0 );
-
- int kk;
-
- int allloop = 1;
- for ( kk = 0; kk < _ndaug; kk++ ) {
- allloop *= dstates[kk];
- }
-
- for ( kk = 0; kk < allloop; kk++ ) {
- temp += _amp[_pstates * kk + i] *
- conj( _amp[_pstates * kk + j] );
- }
-
- // if (_nontrivial>3){
- //EvtGenReport(EVTGEN_ERROR,"EvtGen") << "Can't handle so many states in EvtAmp!"<<endl;
- //}
-
- rho.set( i, j, temp );
+ for ( int i = 1; i < n; i++ )
+ a += abs2( _amp[i] );
+ rho.set( 0, 0, EvtComplex( a ) );
+ } else {
+ int n = 1;
+ for ( int i = 0; i < _ndaug; i++ )
+ n *= dstates[i];
+ for ( int i = 0; i < np; i++ ) {
+ for ( int j = 0; j < np; j++ ) {
+ EvtComplex a;
+ for ( int k = 0; k < n; k++ )
+ a += _amp[np * k + i] * conj( _amp[np * k + j] );
+ rho.set( i, j, a );
}
}
- return rho;
}
+ return rho;
}
EvtSpinDensity EvtAmp::getBackwardSpinDensity( EvtSpinDensity* rho_list )
@@ -258,76 +225,109 @@
return ampprime.contract( _dnontrivial[i], ( *this ) );
}
-EvtAmp EvtAmp::contract( int k, const EvtSpinDensity& rho )
+EvtAmp EvtAmp::contract( int istate, const EvtSpinDensity& rho )
{
+ // contract amplitude tensor with spin density tensor
+ // istate -- contraction index
+ // dimension of rho has to be _nstate[istate]
EvtAmp temp;
-
- int i, j;
temp._ndaug = _ndaug;
temp._pstates = _pstates;
temp._nontrivial = _nontrivial;
-
- for ( i = 0; i < _ndaug; i++ ) {
+ for ( int i = 0; i < _ndaug; i++ ) {
temp.dstates[i] = dstates[i];
temp._dnontrivial[i] = _dnontrivial[i];
}
-
- if ( _nontrivial == 0 ) {
- EvtGenReport( EVTGEN_ERROR, "EvtGen" )
- << "Should not be here EvtAmp!" << endl;
- }
-
- for ( i = 0; i < _nontrivial; i++ ) {
+ for ( int i = 0; i < _nontrivial; i++ )
temp._nstate[i] = _nstate[i];
+ int nup = 1, stride = 1;
+ for ( int i = istate + 1; i < _nontrivial; i++ )
+ nup *= _nstate[i];
+ for ( int i = 0; i < istate; i++ )
+ stride *= _nstate[i];
+
+ int ns = _nstate[istate], offstride = stride * ns, namp = offstride * nup;
+#if 1
+ for ( int i = 0; i < stride; i++ ) {
+ for ( int off = i; off < namp; off += offstride ) {
+ for ( int k = 0; k < ns; k++ ) {
+ EvtComplex c;
+ for ( int j = 0; j < ns; j++ )
+ c += rho( j, k ) * _amp[off + j * stride];
+ temp._amp[off + k * stride] = c;
+ }
+ }
}
-
+ // temp.dump();
+#endif
+#if 0
+ int index[10] = {0};
+ for (int i = 0; i < namp; i++ ) {
EvtComplex c;
+ int tempint = index[istate];
+ for (int j = 0; j < _nstate[istate]; j++ ) {
+ // std::cout<<i<<" "<<j<<" "<<tempint<<std::endl;
+ index[istate] = j;
+ c += rho.get( j, tempint ) * getAmp( index );
+ }
+ index[istate] = tempint;
+ temp.setAmp( index, c );
+ int indflag = 0;
+ for (int j = 0; j < _nontrivial; j++ ) {
+ if ( indflag == 0 ) {
+ if ( index[j] == ( _nstate[j] - 1 ) ) {
+ index[j] = 0;
+ } else {
+ indflag = 1;
+ index[j] += 1;
+ }
+ }
+ }
+ }
+ // temp.dump();
+#endif
+ return temp;
+}
- int index[10];
- for ( i = 0; i < 10; i++ ) {
- index[i] = 0;
- }
-
- int allloop = 1;
- int indflag, ii;
- for ( i = 0; i < _nontrivial; i++ ) {
- allloop *= _nstate[i];
- }
-
- for ( i = 0; i < allloop; i++ ) {
- c = EvtComplex( 0.0 );
- int tempint = index[k];
- for ( j = 0; j < _nstate[k]; j++ ) {
- index[k] = j;
- c += rho.get( j, tempint ) * getAmp( index );
- }
- index[k] = tempint;
-
- temp.setAmp( index, c );
-
- indflag = 0;
- for ( ii = 0; ii < _nontrivial; ii++ ) {
- if ( indflag == 0 ) {
- if ( index[ii] == ( _nstate[ii] - 1 ) ) {
- index[ii] = 0;
- } else {
- indflag = 1;
- index[ii] += 1;
+EvtSpinDensity EvtAmp::contract( int istate, const EvtAmp& amp2 )
+{
+#if 1
+ int nup = 1, stride = 1;
+ for ( int i = istate + 1; i < _nontrivial; i++ )
+ nup *= _nstate[i];
+ for ( int i = 0; i < istate; i++ )
+ stride *= _nstate[i];
+
+ int ns = _nstate[istate], offstride = stride * ns, namp = offstride * nup;
+ EvtSpinDensity mrho( ns );
+ for ( int i = 0; i < stride; i++ ) {
+ for ( int off = i; off < namp; off += offstride ) {
+ for ( int k = 0; k < ns; k++ ) {
+ EvtComplex ak = conj( amp2._amp[off + k * stride] );
+ for ( int j = k; j < ns; j++ ) {
+ EvtComplex aj = _amp[off + j * stride];
+ mrho( j, k ) += aj * ak;
+ // if(k==j)std::cout<<" "<<i<<" "<<off<<" "<<k<<" "<<ak<<" "<<aj<<" "<<aj*ak<<std::endl;
}
}
}
}
- return temp;
-}
+ for ( int k = 0; k < ns; k++ ) {
+ for ( int j = 0; j < k; j++ ) {
+ mrho( j, k ) = conj( mrho( k, j ) );
+ }
+ }
+ // std::cout<<mrho;
+ return mrho;
+#endif
-EvtSpinDensity EvtAmp::contract( int k, const EvtAmp& amp2 )
-{
+#if 0
+ int k = istate;
int i, j, l;
EvtComplex temp;
- EvtSpinDensity rho;
-
- rho.setDim( _nstate[k] );
+ EvtSpinDensity rho( _nstate[k] );
+ // rho.setDim( _nstate[k] );
int allloop = 1;
int indflag, ii;
@@ -377,8 +377,9 @@
rho.set( i, j, temp );
}
}
-
+ // std::cout<<rho-mrho;
return rho;
+#endif
}
EvtAmp EvtAmp::contract( int, const EvtAmp&, const EvtAmp& )
@@ -450,7 +451,7 @@
EvtGenReport( EVTGEN_DEBUG, "EvtGen" )
<< "-----------------------------------" << endl;
}
-
+/*
void EvtAmp::vertex( const EvtComplex& c )
{
int list[1];
@@ -486,6 +487,7 @@
{
setAmp( i1, c );
}
+*/
EvtAmp& EvtAmp::operator=( const EvtAmp& amp )
{
diff --git a/src/EvtGenBase/EvtCPUtil.cpp b/src/EvtGenBase/EvtCPUtil.cpp
--- a/src/EvtGenBase/EvtCPUtil.cpp
+++ b/src/EvtGenBase/EvtCPUtil.cpp
@@ -42,9 +42,9 @@
EvtCPUtil* EvtCPUtil::getInstance()
{
- static EvtCPUtil* theCPUtil = 0;
+ static EvtCPUtil* theCPUtil = nullptr;
- if ( theCPUtil == 0 ) {
+ if ( theCPUtil == nullptr ) {
theCPUtil = new EvtCPUtil( 1 );
}
@@ -179,25 +179,26 @@
bool incoherentmix = false;
- if ( ( parent != 0 ) && ( parent->getId() == B0 || parent->getId() == B0B ||
- parent->getId() == BS || parent->getId() == BSB ) ) {
+ if ( ( parent != nullptr ) &&
+ ( parent->getId() == B0 || parent->getId() == B0B ||
+ parent->getId() == BS || parent->getId() == BSB ) ) {
incoherentmix = true;
}
if ( incoherentmix )
parent = parent->getParent();
- if ( parent == 0 || parent->getId() != UPS4S ) {
+ if ( parent == nullptr || parent->getId() != UPS4S ) {
//Need to make this more general, but for now
//assume no parent. If we have parent of B we
//need to charge conj. full decay tree.
- if ( parent != 0 ) {
+ if ( parent != nullptr ) {
EvtGenReport( EVTGEN_INFO, "EvtGen" )
<< "p=" << EvtPDL::name( p->getId() )
<< " parent=" << EvtPDL::name( parent->getId() ) << endl;
}
- assert( parent == 0 );
+ assert( parent == nullptr );
p->setLifetime();
t = p->getLifetime();
bool needToChargeConj = false;
@@ -231,7 +232,7 @@
}
}
- if ( parent != 0 ) {
+ if ( parent != nullptr ) {
//if (entryCount>1){
// EvtGenReport(EVTGEN_INFO,"EvtGen") << "Double CP decay:"<<entryCount<<endl;
//}
@@ -385,7 +386,8 @@
static double ctau = ctauL < ctauH ? ctauH : ctauL;
t = -log( EvtRandom::Flat() ) * ctau;
EvtParticle* parent = p->getParent();
- if ( parent != 0 && ( parent->getId() == BS0 || parent->getId() == BSB ) ) {
+ if ( parent != nullptr &&
+ ( parent->getId() == BS0 || parent->getId() == BSB ) ) {
if ( parent->getId() == BS0 )
otherb = BSB;
if ( parent->getId() == BSB )
@@ -407,7 +409,8 @@
static double ctau = ctauL < ctauH ? ctauH : ctauL;
t = -log( EvtRandom::Flat() ) * ctau;
EvtParticle* parent = p->getParent();
- if ( parent != 0 && ( parent->getId() == D0 || parent->getId() == D0B ) ) {
+ if ( parent != nullptr &&
+ ( parent->getId() == D0 || parent->getId() == D0B ) ) {
if ( parent->getId() == D0 )
otherb = D0B;
if ( parent->getId() == D0B )
@@ -429,7 +432,7 @@
EvtParticle* parent = p->getParent();
- if ( parent == 0 || parent->getId() != UPS4 ) {
+ if ( parent == nullptr || parent->getId() != UPS4 ) {
//EvtGenReport(EVTGEN_ERROR,"EvtGen") <<
// "Warning CP violation with B having no parent!"<<endl;
t = p->getLifetime();
diff --git a/src/EvtGenBase/EvtComplex.cpp b/src/EvtGenBase/EvtComplex.cpp
--- a/src/EvtGenBase/EvtComplex.cpp
+++ b/src/EvtGenBase/EvtComplex.cpp
@@ -31,27 +31,3 @@
s << "(" << c._rpart << "," << c._ipart << ")";
return s;
}
-
-EvtComplex& EvtComplex::operator*=( EvtComplex c )
-{
- double r = _rpart * c._rpart - _ipart * c._ipart;
- double i = _rpart * c._ipart + _ipart * c._rpart;
-
- _rpart = r;
- _ipart = i;
-
- return *this;
-}
-
-EvtComplex& EvtComplex::operator/=( EvtComplex c )
-{
- double inv = 1.0 / ( c._rpart * c._rpart + c._ipart * c._ipart );
-
- double r = inv * ( _rpart * c._rpart + _ipart * c._ipart );
- double i = inv * ( _ipart * c._rpart - _rpart * c._ipart );
-
- _rpart = r;
- _ipart = i;
-
- return *this;
-}
diff --git a/src/EvtGenBase/EvtCyclic3.cpp b/src/EvtGenBase/EvtCyclic3.cpp
--- a/src/EvtGenBase/EvtCyclic3.cpp
+++ b/src/EvtGenBase/EvtCyclic3.cpp
@@ -331,7 +331,7 @@
return "C";
}
assert( 0 );
- return 0; // sngh
+ return nullptr; // sngh
}
const char* EvtCyclic3::c_str( Pair i )
@@ -345,7 +345,7 @@
return "AB";
}
assert( 0 );
- return 0; // sngh
+ return nullptr; // sngh
}
const char* EvtCyclic3::c_str( Perm p )
diff --git a/src/EvtGenBase/EvtDecayAmp.cpp b/src/EvtGenBase/EvtDecayAmp.cpp
--- a/src/EvtGenBase/EvtDecayAmp.cpp
+++ b/src/EvtGenBase/EvtDecayAmp.cpp
@@ -34,217 +34,64 @@
{
//original default value
int ntimes = 10000;
-
int more;
-
EvtSpinDensity rho;
double prob, prob_max;
-
_amp2.init( p->getId(), getNDaug(), getDaugs() );
-
do {
_daugsDecayedByParentModel = false;
_weight = 1.0;
decay( p );
-
rho = _amp2.getSpinDensity();
-
+ // std::cout<<"phase space loop "<<p->getName()<<p->getSpinDensityForward()<<" "<<rho<<"***"<<std::endl;
prob = p->getSpinDensityForward().normalizedProb( rho );
-
- if ( prob < 0.0 ) {
- EvtGenReport( EVTGEN_ERROR, "EvtGen" )
- << "Negative prob:" << p->getId().getId() << " "
- << p->getChannel() << endl;
-
- EvtGenReport( EVTGEN_ERROR, "EvtGen" ) << "rho_forward:" << endl;
- EvtGenReport( EVTGEN_ERROR, "EvtGen" ) << p->getSpinDensityForward();
- EvtGenReport( EVTGEN_ERROR, "EvtGen" ) << "rho decay:" << endl;
- EvtGenReport( EVTGEN_ERROR, "EvtGen" ) << rho << endl;
- }
-
- if ( prob != prob ) {
- EvtGenReport( EVTGEN_DEBUG, "EvtGen" )
- << "Forward density matrix:" << endl;
- EvtGenReport( EVTGEN_DEBUG, "EvtGen" ) << p->getSpinDensityForward();
-
- EvtGenReport( EVTGEN_DEBUG, "EvtGen" )
- << "Decay density matrix:" << endl;
- EvtGenReport( EVTGEN_DEBUG, "EvtGen" ) << rho;
-
- EvtGenReport( EVTGEN_DEBUG, "EvtGen" ) << "prob:" << prob << endl;
-
- EvtGenReport( EVTGEN_DEBUG, "EvtGen" )
- << "Particle:" << EvtPDL::name( p->getId() ).c_str() << endl;
- EvtGenReport( EVTGEN_DEBUG, "EvtGen" )
- << "channel :" << p->getChannel() << endl;
- EvtGenReport( EVTGEN_DEBUG, "EvtGen" )
- << "Momentum:" << p->getP4() << " " << p->mass() << endl;
- if ( p->getParent() != 0 ) {
- EvtGenReport( EVTGEN_DEBUG, "EvtGen" )
- << "parent:"
- << EvtPDL::name( p->getParent()->getId() ).c_str() << endl;
- EvtGenReport( EVTGEN_DEBUG, "EvtGen" )
- << "parent channel :" << p->getParent()->getChannel()
- << endl;
-
- size_t i;
- EvtGenReport( EVTGEN_DEBUG, "EvtGen" ) << "parent daughters :";
- for ( i = 0; i < p->getParent()->getNDaug(); i++ ) {
- EvtGenReport( EVTGEN_DEBUG, "" )
- << EvtPDL::name( p->getParent()->getDaug( i )->getId() )
- .c_str()
- << " ";
- }
- EvtGenReport( EVTGEN_DEBUG, "" ) << endl;
-
- EvtGenReport( EVTGEN_DEBUG, "EvtGen" ) << "daughters :";
- for ( size_t i = 0; i < p->getNDaug(); i++ ) {
- EvtGenReport( EVTGEN_DEBUG, "" )
- << EvtPDL::name( p->getDaug( i )->getId() ).c_str()
- << " ";
- }
- EvtGenReport( EVTGEN_DEBUG, "" ) << endl;
-
- EvtGenReport( EVTGEN_DEBUG, "EvtGen" )
- << "daughter momenta :" << endl;
- ;
- for ( size_t i = 0; i < p->getNDaug(); i++ ) {
- EvtGenReport( EVTGEN_DEBUG, "" )
- << p->getDaug( i )->getP4() << " "
- << p->getDaug( i )->mass();
- EvtGenReport( EVTGEN_DEBUG, "" ) << endl;
- }
- }
- }
-
+ // std::cout<<prob<<std::endl;
prob /= _weight;
-
+ // std::cout<<"weight "<<_weight<<std::endl;
prob_max = getProbMax( prob );
+ // std::cout<<prob_max<<std::endl;
p->setDecayProb( prob / prob_max );
-
more = prob < EvtRandom::Flat( prob_max );
-
+ // std::cout<<"more "<<more<<std::endl;
ntimes--;
-
} while ( ntimes && more );
- if ( ntimes == 0 ) {
- EvtGenReport( EVTGEN_DEBUG, "EvtGen" )
- << "Tried accept/reject: 10000"
- << " times, and rejected all the times!" << endl;
-
- EvtGenReport( EVTGEN_DEBUG, "EvtGen" )
- << p->getSpinDensityForward() << endl;
- EvtGenReport( EVTGEN_DEBUG, "EvtGen" )
- << "Is therefore accepting the last event!" << endl;
- EvtGenReport( EVTGEN_DEBUG, "EvtGen" )
- << "Decay of particle:" << EvtPDL::name( p->getId() ).c_str()
- << "(channel:" << p->getChannel() << ") with mass " << p->mass()
- << endl;
-
- for ( size_t ii = 0; ii < p->getNDaug(); ii++ ) {
- EvtGenReport( EVTGEN_DEBUG, "EvtGen" )
- << "Daughter " << ii << ":"
- << EvtPDL::name( p->getDaug( ii )->getId() ).c_str()
- << " with mass " << p->getDaug( ii )->mass() << endl;
- }
- }
-
- EvtSpinDensity rho_list[10];
-
- rho_list[0] = p->getSpinDensityForward();
-
- EvtAmp ampcont;
-
- if ( _amp2._pstates != 1 ) {
- ampcont = _amp2.contract( 0, p->getSpinDensityForward() );
- } else {
- ampcont = _amp2;
- }
-
// it may be that the parent decay model has already
// done the decay - this should be rare and the
// model better know what it is doing..
if ( !daugsDecayedByParentModel() ) {
if ( recursive ) {
+ EvtSpinDensity rho_list[10];
+ rho_list[0] = p->getSpinDensityForward();
+ EvtAmp ampcont;
+ if ( _amp2._pstates != 1 ) {
+ ampcont = _amp2.contract( 0, p->getSpinDensityForward() );
+ } else {
+ ampcont = _amp2;
+ }
+ // std::cout<<"kuku "<<p->getName()<<std::endl;
for ( size_t i = 0; i < p->getNDaug(); i++ ) {
+ // std::cout<<"loop "<<p->getName()<<" "<<i<<std::endl;
rho.setDim( _amp2.dstates[i] );
-
if ( _amp2.dstates[i] == 1 ) {
rho.set( 0, 0, EvtComplex( 1.0, 0.0 ) );
} else {
+ // std::cout<<"cont "<<p->getName()<<" "<<i<<" "<< _amp2._dnontrivial[i]<<std::endl;
rho = ampcont.contract( _amp2._dnontrivial[i], _amp2 );
}
-
- if ( !rho.check() ) {
- EvtGenReport( EVTGEN_ERROR, "EvtGen" )
- << "-------start error-------" << endl;
- EvtGenReport( EVTGEN_ERROR, "EvtGen" )
- << "forward rho failed Check:"
- << EvtPDL::name( p->getId() ).c_str() << " "
- << p->getChannel() << " " << i << endl;
-
- p->printTree();
-
- for ( size_t idaug = 0; idaug < p->getNDaug(); idaug++ ) {
- EvtParticle* daughter = p->getDaug( idaug );
- if ( daughter != 0 ) {
- daughter->printTree();
- }
- }
-
- EvtParticle* pParent = p->getParent();
- if ( pParent != 0 ) {
- EvtGenReport( EVTGEN_ERROR, "EvtGen" )
- << "Parent:"
- << EvtPDL::name( pParent->getId() ).c_str() << endl;
-
- EvtParticle* grandParent = pParent->getParent();
-
- if ( grandParent != 0 ) {
- EvtGenReport( EVTGEN_ERROR, "EvtGen" )
- << "GrandParent:"
- << EvtPDL::name( grandParent->getId() ).c_str()
- << endl;
- }
- }
-
- EvtGenReport( EVTGEN_ERROR, "EvtGen" )
- << " EvtSpinDensity rho: " << rho;
-
- _amp2.dump();
-
- for ( size_t ii = 0; ii < i + 1; ii++ ) {
- EvtGenReport( EVTGEN_ERROR, "EvtGen" )
- << "rho_list[" << ii << "] = " << rho_list[ii];
- }
-
- EvtGenReport( EVTGEN_ERROR, "EvtGen" )
- << "-------Done with error-------" << endl;
- }
-
+ // std::cout<<"dau "<<rho;
p->getDaug( i )->setSpinDensityForward( rho );
+ // std::cout<<"step b"<<std::endl;
p->getDaug( i )->decay();
-
+ // std::cout<<"step a"<<std::endl;
rho_list[i + 1] = p->getDaug( i )->getSpinDensityBackward();
-
if ( _amp2.dstates[i] != 1 ) {
ampcont = ampcont.contract( _amp2._dnontrivial[i],
rho_list[i + 1] );
}
}
-
p->setSpinDensityBackward( _amp2.getBackwardSpinDensity( rho_list ) );
-
- if ( !p->getSpinDensityBackward().check() ) {
- EvtGenReport( EVTGEN_ERROR, "EvtGen" )
- << "rho_backward failed Check" << p->getId().getId() << " "
- << p->getChannel() << endl;
-
- EvtGenReport( EVTGEN_ERROR, "EvtGen" )
- << p->getSpinDensityBackward();
- }
}
}
diff --git a/src/EvtGenBase/EvtDecayBase.cpp b/src/EvtGenBase/EvtDecayBase.cpp
--- a/src/EvtGenBase/EvtDecayBase.cpp
+++ b/src/EvtGenBase/EvtDecayBase.cpp
@@ -621,7 +621,7 @@
i++;
}
- char** tc = 0;
+ char** tc = nullptr;
double result = strtod( _args[j].c_str(), tc );
if ( _storedArgs.size() < j + 1 ) { // then store the argument's value
diff --git a/src/EvtGenBase/EvtDecayParm.cpp b/src/EvtGenBase/EvtDecayParm.cpp
--- a/src/EvtGenBase/EvtDecayParm.cpp
+++ b/src/EvtGenBase/EvtDecayParm.cpp
@@ -51,22 +51,22 @@
EvtDecayParm::EvtDecayParm()
{
- itsfcn = 0;
+ itsfcn = nullptr;
itsndaug = 0;
itsnarg = 0;
- itsdaugs = 0;
- itsargs = 0;
+ itsdaugs = nullptr;
+ itsargs = nullptr;
modelname = "**********";
}
EvtDecayParm::~EvtDecayParm()
{
- if ( itsdaugs != 0 ) {
+ if ( itsdaugs != nullptr ) {
delete[] itsdaugs;
}
- if ( itsargs != 0 ) {
+ if ( itsargs != nullptr ) {
delete[] itsargs;
}
}
diff --git a/src/EvtGenBase/EvtDecayTable.cpp b/src/EvtGenBase/EvtDecayTable.cpp
--- a/src/EvtGenBase/EvtDecayTable.cpp
+++ b/src/EvtGenBase/EvtDecayTable.cpp
@@ -58,9 +58,9 @@
EvtDecayTable* EvtDecayTable::getInstance()
{
- static EvtDecayTable* theDecayTable = 0;
+ static EvtDecayTable* theDecayTable = nullptr;
- if ( theDecayTable == 0 ) {
+ if ( theDecayTable == nullptr ) {
theDecayTable = new EvtDecayTable();
}
@@ -91,7 +91,7 @@
partnum = p->getId().getAlias();
if ( _decaytable[partnum].getNMode() == 0 )
- return 0;
+ return nullptr;
return _decaytable[partnum].getDecayModel( p );
}
@@ -1445,7 +1445,7 @@
EvtDecayBase* EvtDecayTable::findDecayModel( int aliasInt, int modeInt )
{
- EvtDecayBase* theModel( 0 );
+ EvtDecayBase* theModel( nullptr );
if ( aliasInt >= 0 && aliasInt < (int)EvtPDL::entries() ) {
theModel = _decaytable[aliasInt].getDecayModel( modeInt );
diff --git a/src/EvtGenBase/EvtDiracParticle.cpp b/src/EvtGenBase/EvtDiracParticle.cpp
--- a/src/EvtGenBase/EvtDiracParticle.cpp
+++ b/src/EvtGenBase/EvtDiracParticle.cpp
@@ -46,29 +46,30 @@
::abort();
}
+ double px = p4.get( 1 ), py = p4.get( 2 ), pz = p4.get( 3 ), e = p4.get( 0 );
+ double p2 = px * px + py * py + pz * pz, m2 = e * e - p2, m = sqrt( m2 ),
+ em = e + m;
+ double t = sqrt( em ), q = 1 / t;
+ double ux = px * q, uy = py * q, uz = pz * q;
+ double lm = sqrt( 2.0 * m );
+ EvtComplex o( 0.0, 0.0 ), l( lm, 0.0 );
+ EvtComplex uxy( ux, uy ), cxy = conj( uxy );
if ( EvtPDL::getStdHep( part_n ) > 0 ) {
- _spinorRest[0].set( EvtComplex( sqrt( 2.0 * mass() ), 0.0 ),
- EvtComplex( 0.0, 0.0 ), EvtComplex( 0.0, 0.0 ),
- EvtComplex( 0.0, 0.0 ) );
- _spinorRest[1].set( EvtComplex( 0.0, 0.0 ),
- EvtComplex( sqrt( 2.0 * mass() ), 0.0 ),
- EvtComplex( 0.0, 0.0 ), EvtComplex( 0.0, 0.0 ) );
-
- _spinorParent[0] = boostTo( _spinorRest[0], p4 );
- _spinorParent[1] = boostTo( _spinorRest[1], p4 );
-
+ _spinorRest[0].set( l, o, o, o );
+ _spinorRest[1].set( o, l, o, o );
+ _spinorParent[0].set( t, 0, uz, uxy );
+ _spinorParent[1].set( 0, t, cxy, -uz );
} else {
- _spinorRest[0].set( EvtComplex( 0.0, 0.0 ), EvtComplex( 0.0, 0.0 ),
- EvtComplex( sqrt( 2.0 * mass() ), 0.0 ),
- EvtComplex( 0.0, 0.0 ) );
- _spinorRest[1].set( EvtComplex( 0.0, 0.0 ), EvtComplex( 0.0, 0.0 ),
- EvtComplex( 0.0, 0.0 ),
- EvtComplex( sqrt( 2.0 * mass() ), 0.0 ) );
-
- _spinorParent[0] = boostTo( _spinorRest[0], p4 );
- _spinorParent[1] = boostTo( _spinorRest[1], p4 );
+ _spinorRest[0].set( o, o, l, o );
+ _spinorRest[1].set( o, o, o, l );
+ _spinorParent[0].set( uz, uxy, t, 0 );
+ _spinorParent[1].set( cxy, -uz, 0, t );
}
+ // EvtDiracSpinor s0 = boostTo( _spinorRest[0], p4 );
+ // EvtDiracSpinor s1 = boostTo( _spinorRest[1], p4 );
+ // std::cout<< EvtPDL::getStdHep( part_n )<<" "<<_spinorParent[0] - s0<<" "<<_spinorParent[1] - s1 <<std::endl;
+
setLifetime();
}
diff --git a/src/EvtGenBase/EvtDiracSpinor.cpp b/src/EvtGenBase/EvtDiracSpinor.cpp
--- a/src/EvtGenBase/EvtDiracSpinor.cpp
+++ b/src/EvtGenBase/EvtDiracSpinor.cpp
@@ -31,26 +31,6 @@
#include <math.h>
using std::ostream;
-EvtDiracSpinor::EvtDiracSpinor( const EvtComplex& sp0, const EvtComplex& sp1,
- const EvtComplex& sp2, const EvtComplex& sp3 )
-{
- set( sp0, sp1, sp2, sp3 );
-}
-
-void EvtDiracSpinor::set( const EvtComplex& sp0, const EvtComplex& sp1,
- const EvtComplex& sp2, const EvtComplex& sp3 )
-{
- spinor[0] = sp0;
- spinor[1] = sp1;
- spinor[2] = sp2;
- spinor[3] = sp3;
-}
-
-void EvtDiracSpinor::set_spinor( int i, const EvtComplex& sp )
-{
- spinor[i] = sp;
-}
-
ostream& operator<<( ostream& s, const EvtDiracSpinor& sp )
{
s << "[" << sp.spinor[0] << "," << sp.spinor[1] << "," << sp.spinor[2]
@@ -58,11 +38,6 @@
return s;
}
-const EvtComplex& EvtDiracSpinor::get_spinor( int i ) const
-{
- return spinor[i];
-}
-
EvtDiracSpinor rotateEuler( const EvtDiracSpinor& sp, double alpha, double beta,
double gamma )
{
@@ -87,6 +62,7 @@
void EvtDiracSpinor::applyBoostTo( const EvtVector4R& p4 )
{
+#if 0
double e = p4.get( 0 );
EvtVector3R boost( p4.get( 1 ) / e, p4.get( 2 ) / e, p4.get( 3 ) / e );
@@ -94,10 +70,25 @@
applyBoostTo( boost );
return;
+#else
+ double px = p4.get( 1 ), py = p4.get( 2 ), pz = p4.get( 3 ), e = p4.get( 0 );
+ double p2 = px * px + py * py + pz * pz, m2 = e * e - p2, m = sqrt( m2 ),
+ em = e + m;
+ double f2 = sqrt( 0.5 / ( em * m ) ), f1 = f2 * em;
+ double bx = f2 * px, by = f2 * py, bz = f2 * pz;
+ EvtComplex t = spinor[0], x = spinor[1], y = spinor[2], z = spinor[3],
+ bxy( bx, by );
+
+ spinor[0] = f1 * t + ( bxy & z ) + bz * y;
+ spinor[1] = f1 * x + ( bxy * y ) - bz * z;
+ spinor[2] = f1 * y + ( bxy & x ) + bz * t;
+ spinor[3] = f1 * z + ( bxy * t ) - bz * x;
+#endif
}
void EvtDiracSpinor::applyBoostTo( const EvtVector3R& boost )
{
+#if 0
double bx, by, bz, gamma, b2, f1, f2;
EvtComplex spinorp[4];
@@ -135,6 +126,22 @@
spinor[3] = spinorp[3];
return;
+#else
+ double bx = boost.get( 0 ), by = boost.get( 1 ), bz = boost.get( 2 );
+ double b2 = bx * bx + by * by + bz * bz, c2 = 1 - b2, c = sqrt( c2 );
+ double f2 = sqrt( 0.5 / ( c2 + c ) );
+ bx *= f2;
+ by *= f2;
+ bz *= f2;
+ double f1 = f2 + f2 * c;
+ EvtComplex t = spinor[0], x = spinor[1], y = spinor[2], z = spinor[3],
+ bxy( bx, by );
+
+ spinor[0] = f1 * t + ( bxy & z ) + bz * y;
+ spinor[1] = f1 * x + ( bxy * y ) - bz * z;
+ spinor[2] = f1 * y + ( bxy & x ) + bz * t;
+ spinor[3] = f1 * z + ( bxy * t ) - bz * x;
+#endif
}
void EvtDiracSpinor::applyRotateEuler( double alpha, double beta, double gamma )
@@ -178,175 +185,385 @@
EvtVector4C EvtLeptonVACurrent( const EvtDiracSpinor& d, const EvtDiracSpinor& dp )
{
- //Old code; below is a new specialized code that does it more efficiently.
- //EvtGammaMatrix mat;
- //EvtVector4C temp;
- //mat.va0();
- //temp.set(0,d*(mat*dp));
- //mat.va1();
- //temp.set(1,d*(mat*dp));
- //mat.va2();
- //temp.set(2,d*(mat*dp));
- //mat.va3();
- //temp.set(3,d*(mat*dp));
- //return temp;
-
- EvtComplex u02 = ::conj( d.spinor[0] - d.spinor[2] );
- EvtComplex u13 = ::conj( d.spinor[1] - d.spinor[3] );
-
- EvtComplex v02 = dp.spinor[0] - dp.spinor[2];
- EvtComplex v13 = dp.spinor[1] - dp.spinor[3];
+ // Old code; below is a new specialized code that does it more efficiently.
+ // EvtVector4C tmp;
+ // tmp.set(0,d*(EvtGammaMatrix::va0()*dp));
+ // tmp.set(1,d*(EvtGammaMatrix::va1()*dp));
+ // tmp.set(2,d*(EvtGammaMatrix::va2()*dp));
+ // tmp.set(3,d*(EvtGammaMatrix::va3()*dp));
+ // return tmp;
+
+ EvtComplex u02( real( d[0] ) - real( d[2] ), imag( d[2] ) - imag( d[0] ) );
+ EvtComplex u13( real( d[1] ) - real( d[3] ), imag( d[3] ) - imag( d[1] ) );
+
+ EvtComplex v02 = dp[2] - dp[0];
+ EvtComplex v13 = dp[1] - dp[3];
EvtComplex a = u02 * v02;
EvtComplex b = u13 * v13;
EvtComplex c = u02 * v13;
EvtComplex e = u13 * v02;
-
- return EvtVector4C( a + b, -( c + e ), EvtComplex( 0, 1 ) * ( c - e ), b - a );
+ EvtComplex ce = c + e;
+ EvtVector4C res( b - a, e - c, EvtComplex( -imag( ce ), real( ce ) ), b + a );
+ // std::cout<< res - tmp <<std::endl; // check that everything is correct
+ return res;
}
EvtVector4C EvtLeptonVCurrent( const EvtDiracSpinor& d, const EvtDiracSpinor& dp )
{
- EvtVector4C temp;
+ // EvtVector4C temp;
// no conjugate here; done in the multiplication
// yes this is stupid and fooled me to for a long time (ryd)
- temp.set( 0, d * ( EvtGammaMatrix::v0() * dp ) );
- temp.set( 1, d * ( EvtGammaMatrix::v1() * dp ) );
- temp.set( 2, d * ( EvtGammaMatrix::v2() * dp ) );
- temp.set( 3, d * ( EvtGammaMatrix::v3() * dp ) );
-
- return temp;
+ // temp.set( 0, d * ( EvtGammaMatrix::v0() * dp ) );
+ // temp.set( 1, d * ( EvtGammaMatrix::v1() * dp ) );
+ // temp.set( 2, d * ( EvtGammaMatrix::v2() * dp ) );
+ // temp.set( 3, d * ( EvtGammaMatrix::v3() * dp ) );
+
+ // return temp;
+
+ double a0r = real( d[0] ), a0i = imag( d[0] );
+ double a1r = real( d[1] ), a1i = imag( d[1] );
+ double a2r = real( d[2] ), a2i = imag( d[2] );
+ double a3r = real( d[3] ), a3i = imag( d[3] );
+
+ double b0r = real( dp[0] ), b0i = imag( dp[0] );
+ double b1r = real( dp[1] ), b1i = imag( dp[1] );
+ double b2r = real( dp[2] ), b2i = imag( dp[2] );
+ double b3r = real( dp[3] ), b3i = imag( dp[3] );
+
+ double w0r = a0r * b0r + a0i * b0i, w0i = a0r * b0i - a0i * b0r;
+ double w1r = a1r * b1r + a1i * b1i, w1i = a1r * b1i - a1i * b1r;
+ double w2r = a2r * b2r + a2i * b2i, w2i = a2r * b2i - a2i * b2r;
+ double w3r = a3r * b3r + a3i * b3i, w3i = a3r * b3i - a3i * b3r;
+ double t0r = a0r * b3r + a0i * b3i, t0i = a0r * b3i - a0i * b3r;
+ double t1r = a1r * b2r + a1i * b2i, t1i = a1r * b2i - a1i * b2r;
+ double t2r = a2r * b1r + a2i * b1i, t2i = a2r * b1i - a2i * b1r;
+ double t3r = a3r * b0r + a3i * b0i, t3i = a3r * b0i - a3i * b0r;
+ double q0r = a0r * b2r + a0i * b2i, q0i = a0r * b2i - a0i * b2r;
+ double q1r = a1r * b3r + a1i * b3i, q1i = a1r * b3i - a1i * b3r;
+ double q2r = a2r * b0r + a2i * b0i, q2i = a2r * b0i - a2i * b0r;
+ double q3r = a3r * b1r + a3i * b1i, q3i = a3r * b1i - a3i * b1r;
+
+ EvtComplex c0( w0r + w1r + ( w2r + w3r ), w0i + w1i + ( w2i + w3i ) );
+ EvtComplex c1( t0r + t1r + ( t2r + t3r ), t0i + t1i + ( t2i + t3i ) );
+ EvtComplex c2( t0i + t2i - ( t1i + t3i ), t1r + t3r - ( t0r + t2r ) );
+ EvtComplex c3( q0r + q2r - ( q1r + q3r ), q0i + q2i - ( q1i + q3i ) );
+
+ return EvtVector4C( c0, c1, c2, c3 );
+
+ // EvtComplex t0 = temp.get(0), t1 = temp.get(1), t2 = temp.get(2), t3 = temp.get(3);
+ // std::cout<<c0-t0<<" "<<c1-t1<<" "<<c2-t2<<" "<<c3-t3<<std::endl;
}
EvtVector4C EvtLeptonACurrent( const EvtDiracSpinor& d, const EvtDiracSpinor& dp )
{
- EvtVector4C temp;
+ // EvtVector4C temp;
- EvtGammaMatrix mat;
+ // EvtGammaMatrix mat;
// no conjugate here; done in the multiplication
// yes this is stupid and fooled me to for a long time (ryd)
- mat = EvtGammaMatrix::v0() - EvtGammaMatrix::va0();
- temp.set( 0, d * ( mat * dp ) );
+ // mat = EvtGammaMatrix::v0() - EvtGammaMatrix::va0();
+ // temp.set( 0, d * ( mat * dp ) );
- mat = EvtGammaMatrix::v1() - EvtGammaMatrix::va1();
- temp.set( 1, d * ( mat * dp ) );
+ // mat = EvtGammaMatrix::v1() - EvtGammaMatrix::va1();
+ // temp.set( 1, d * ( mat * dp ) );
- mat = EvtGammaMatrix::v2() - EvtGammaMatrix::va2();
- temp.set( 2, d * ( mat * dp ) );
+ // mat = EvtGammaMatrix::v2() - EvtGammaMatrix::va2();
+ // temp.set( 2, d * ( mat * dp ) );
- mat = EvtGammaMatrix::v3() - EvtGammaMatrix::va3();
- temp.set( 3, d * ( mat * dp ) );
+ // mat = EvtGammaMatrix::v3() - EvtGammaMatrix::va3();
+ // temp.set( 3, d * ( mat * dp ) );
- return temp;
+ double a0r = real( d[0] ), a0i = imag( d[0] );
+ double a1r = real( d[1] ), a1i = imag( d[1] );
+ double a2r = real( d[2] ), a2i = imag( d[2] );
+ double a3r = real( d[3] ), a3i = imag( d[3] );
+
+ double b0r = real( dp[0] ), b0i = imag( dp[0] );
+ double b1r = real( dp[1] ), b1i = imag( dp[1] );
+ double b2r = real( dp[2] ), b2i = imag( dp[2] );
+ double b3r = real( dp[3] ), b3i = imag( dp[3] );
+
+ double w0r = a0r * b0r + a0i * b0i, w0i = a0r * b0i - a0i * b0r;
+ double w1r = a1r * b1r + a1i * b1i, w1i = a1r * b1i - a1i * b1r;
+ double w2r = a2r * b2r + a2i * b2i, w2i = a2r * b2i - a2i * b2r;
+ double w3r = a3r * b3r + a3i * b3i, w3i = a3r * b3i - a3i * b3r;
+
+ double q0r = a0r * b2r + a0i * b2i, q0i = a0r * b2i - a0i * b2r;
+ double q1r = a1r * b3r + a1i * b3i, q1i = a1r * b3i - a1i * b3r;
+ double q2r = a2r * b0r + a2i * b0i, q2i = a2r * b0i - a2i * b0r;
+ double q3r = a3r * b1r + a3i * b1i, q3i = a3r * b1i - a3i * b1r;
+
+ double t0r = a0r * b1r + a0i * b1i, t0i = a0r * b1i - a0i * b1r;
+ double t1r = a1r * b0r + a1i * b0i, t1i = a1r * b0i - a1i * b0r;
+ double t2r = a2r * b3r + a2i * b3i, t2i = a2r * b3i - a2i * b3r;
+ double t3r = a3r * b2r + a3i * b2i, t3i = a3r * b2i - a3i * b2r;
+
+ EvtComplex c0( q0r + q2r + ( q1r + q3r ), q0i + q2i + ( q1i + q3i ) );
+ EvtComplex c1( t0r + t1r + ( t2r + t3r ), t0i + t1i + ( t2i + t3i ) );
+ EvtComplex c2( t0i + t2i - ( t1i + t3i ), t1r + t3r - ( t0r + t2r ) );
+ EvtComplex c3( w0r + w2r - ( w1r + w3r ), w0i + w2i - ( w1i + w3i ) );
+
+ return EvtVector4C( c0, c1, c2, c3 );
+
+ // std::cout<<EvtVector4C(c0,c1,c2,c3)-temp<<std::endl;
+ // return temp;
+}
+
+void EvtLeptonVandACurrents( EvtVector4C& v, EvtVector4C& a,
+ const EvtDiracSpinor& x, const EvtDiracSpinor& y )
+{
+ EvtComplex w0 = x[0] & y[0], w1 = x[1] & y[1], w2 = x[2] & y[2],
+ w3 = x[3] & y[3];
+ EvtComplex w02 = w0 + w2, w13 = w1 + w3;
+ EvtComplex W1 = w02 + w13, W2 = w02 - w13;
+ EvtComplex q0 = x[0] & y[2], q1 = x[1] & y[3], q2 = x[2] & y[0],
+ q3 = x[3] & y[1];
+ EvtComplex q02 = q0 + q2, q13 = q1 + q3;
+ EvtComplex Q1 = q02 + q13, Q2 = q02 - q13;
+ EvtComplex e0 = x[0] & y[3], e1 = x[1] & y[2], e2 = x[2] & y[1],
+ e3 = x[3] & y[0];
+ EvtComplex e20 = e0 + e2, e13 = e1 + e3;
+ EvtComplex E1 = e13 + e20, E2 = e13 - e20;
+ v.set( W1, E1, EvtComplex( -imag( E2 ), real( E2 ) ), Q2 );
+ EvtComplex t0 = x[0] & y[1], t1 = x[1] & y[0], t2 = x[2] & y[3],
+ t3 = x[3] & y[2];
+ EvtComplex t20 = t0 + t2, t13 = t1 + t3;
+ EvtComplex T1 = t13 + t20, T2 = t13 - t20;
+ a.set( Q1, T1, EvtComplex( -imag( T2 ), real( T2 ) ), W2 );
}
EvtComplex EvtLeptonSCurrent( const EvtDiracSpinor& d, const EvtDiracSpinor& dp )
{
- EvtComplex temp;
+ // EvtComplex temp;
// no conjugate here; done in the multiplication
// yes this is stupid and fooled me to for a long time (ryd)
- temp = d * ( EvtGammaMatrix::g0() * dp );
+ // temp = d * ( EvtGammaMatrix::g0() * dp );
+
+ // return temp;
+
+ double a0r = real( d[0] ), a0i = imag( d[0] );
+ double a1r = real( d[1] ), a1i = imag( d[1] );
+ double a2r = real( d[2] ), a2i = imag( d[2] );
+ double a3r = real( d[3] ), a3i = imag( d[3] );
- return temp;
+ double b0r = real( dp[0] ), b0i = imag( dp[0] );
+ double b1r = real( dp[1] ), b1i = imag( dp[1] );
+ double b2r = real( dp[2] ), b2i = imag( dp[2] );
+ double b3r = real( dp[3] ), b3i = imag( dp[3] );
+
+ EvtComplex res( ( a0r * b0r + a0i * b0i ) + ( a1r * b1r + a1i * b1i ) -
+ ( a2r * b2r + a2i * b2i ) + ( a3r * b3r + a3i * b3i ),
+ ( a0r * b0i - a0i * b0r ) + ( a1r * b1i - a1i * b1r ) -
+ ( a2r * b2i - a2i * b2r ) + ( a3r * b3i - a3i * b3r ) );
+ // std::cout<<res-temp<<std::endl;
+ return res;
}
EvtComplex EvtLeptonPCurrent( const EvtDiracSpinor& d, const EvtDiracSpinor& dp )
{
- EvtComplex temp;
+ // EvtComplex temp;
// no conjugate here; done in the multiplication
// yes this is stupid and fooled me to for a long time (ryd)
- static EvtGammaMatrix m = EvtGammaMatrix::g0() * EvtGammaMatrix::g5();
- temp = d * ( m * dp );
-
- return temp;
+ // static EvtGammaMatrix m = EvtGammaMatrix::g0() * EvtGammaMatrix::g5();
+ // temp = d * ( m * dp );
+
+ // return temp;
+
+ double a0r = real( d[0] ), a0i = imag( d[0] );
+ double a1r = real( d[1] ), a1i = imag( d[1] );
+ double a2r = real( d[2] ), a2i = imag( d[2] );
+ double a3r = real( d[3] ), a3i = imag( d[3] );
+
+ double b0r = real( dp[0] ), b0i = imag( dp[0] );
+ double b1r = real( dp[1] ), b1i = imag( dp[1] );
+ double b2r = real( dp[2] ), b2i = imag( dp[2] );
+ double b3r = real( dp[3] ), b3i = imag( dp[3] );
+
+ EvtComplex res( ( a0r * b2r + a0i * b2i ) + ( a1r * b3r + a1i * b3i ) -
+ ( a2r * b0r + a2i * b0i ) - ( a3r * b1r + a3i * b1i ),
+ ( a0r * b2i - a0i * b2r ) + ( a1r * b3i - a1i * b3r ) -
+ ( a2r * b0i - a2i * b0r ) - ( a3r * b1i - a3i * b1r ) );
+ // std::cout<<res-temp<<std::endl;
+ return res;
}
EvtTensor4C EvtLeptonTCurrent( const EvtDiracSpinor& d, const EvtDiracSpinor& dp )
{
- EvtTensor4C temp;
- temp.zero();
- EvtComplex i2( 0, 0.5 );
-
- static EvtGammaMatrix mat01 =
- EvtGammaMatrix::g0() * ( EvtGammaMatrix::g0() * EvtGammaMatrix::g1() -
- EvtGammaMatrix::g1() * EvtGammaMatrix::g0() );
- static EvtGammaMatrix mat02 =
- EvtGammaMatrix::g0() * ( EvtGammaMatrix::g0() * EvtGammaMatrix::g2() -
- EvtGammaMatrix::g2() * EvtGammaMatrix::g0() );
- static EvtGammaMatrix mat03 =
- EvtGammaMatrix::g0() * ( EvtGammaMatrix::g0() * EvtGammaMatrix::g3() -
- EvtGammaMatrix::g3() * EvtGammaMatrix::g0() );
- static EvtGammaMatrix mat12 =
- EvtGammaMatrix::g0() * ( EvtGammaMatrix::g1() * EvtGammaMatrix::g2() -
- EvtGammaMatrix::g2() * EvtGammaMatrix::g1() );
- static EvtGammaMatrix mat13 =
- EvtGammaMatrix::g0() * ( EvtGammaMatrix::g1() * EvtGammaMatrix::g3() -
- EvtGammaMatrix::g3() * EvtGammaMatrix::g1() );
- static EvtGammaMatrix mat23 =
- EvtGammaMatrix::g0() * ( EvtGammaMatrix::g2() * EvtGammaMatrix::g3() -
- EvtGammaMatrix::g3() * EvtGammaMatrix::g2() );
-
- temp.set( 0, 1, i2 * ( d * ( mat01 * dp ) ) );
- temp.set( 1, 0, -temp.get( 0, 1 ) );
-
- temp.set( 0, 2, i2 * ( d * ( mat02 * dp ) ) );
- temp.set( 2, 0, -temp.get( 0, 2 ) );
-
- temp.set( 0, 3, i2 * ( d * ( mat03 * dp ) ) );
- temp.set( 3, 0, -temp.get( 0, 3 ) );
-
- temp.set( 1, 2, i2 * ( d * ( mat12 * dp ) ) );
- temp.set( 2, 1, -temp.get( 1, 2 ) );
-
- temp.set( 1, 3, i2 * ( d * ( mat13 * dp ) ) );
- temp.set( 3, 1, -temp.get( 1, 3 ) );
-
- temp.set( 2, 3, i2 * ( d * ( mat23 * dp ) ) );
- temp.set( 3, 2, -temp.get( 2, 3 ) );
-
- return temp;
+ // EvtTensor4C temp;
+ // temp.zero();
+ // EvtComplex i2( 0, 0.5 );
+
+ // static EvtGammaMatrix mat01 =
+ // EvtGammaMatrix::g0() * ( EvtGammaMatrix::g0() * EvtGammaMatrix::g1() -
+ // EvtGammaMatrix::g1() * EvtGammaMatrix::g0() );
+ // static EvtGammaMatrix mat02 =
+ // EvtGammaMatrix::g0() * ( EvtGammaMatrix::g0() * EvtGammaMatrix::g2() -
+ // EvtGammaMatrix::g2() * EvtGammaMatrix::g0() );
+ // static EvtGammaMatrix mat03 =
+ // EvtGammaMatrix::g0() * ( EvtGammaMatrix::g0() * EvtGammaMatrix::g3() -
+ // EvtGammaMatrix::g3() * EvtGammaMatrix::g0() );
+ // static EvtGammaMatrix mat12 =
+ // EvtGammaMatrix::g0() * ( EvtGammaMatrix::g1() * EvtGammaMatrix::g2() -
+ // EvtGammaMatrix::g2() * EvtGammaMatrix::g1() );
+ // static EvtGammaMatrix mat13 =
+ // EvtGammaMatrix::g0() * ( EvtGammaMatrix::g1() * EvtGammaMatrix::g3() -
+ // EvtGammaMatrix::g3() * EvtGammaMatrix::g1() );
+ // static EvtGammaMatrix mat23 =
+ // EvtGammaMatrix::g0() * ( EvtGammaMatrix::g2() * EvtGammaMatrix::g3() -
+ // EvtGammaMatrix::g3() * EvtGammaMatrix::g2() );
+
+ // temp.set( 0, 1, i2 * ( d * ( mat01 * dp ) ) );
+ // temp.set( 1, 0, -temp.get( 0, 1 ) );
+
+ // temp.set( 0, 2, i2 * ( d * ( mat02 * dp ) ) );
+ // temp.set( 2, 0, -temp.get( 0, 2 ) );
+
+ // temp.set( 0, 3, i2 * ( d * ( mat03 * dp ) ) );
+ // temp.set( 3, 0, -temp.get( 0, 3 ) );
+
+ // temp.set( 1, 2, i2 * ( d * ( mat12 * dp ) ) );
+ // temp.set( 2, 1, -temp.get( 1, 2 ) );
+
+ // temp.set( 1, 3, i2 * ( d * ( mat13 * dp ) ) );
+ // temp.set( 3, 1, -temp.get( 1, 3 ) );
+
+ // temp.set( 2, 3, i2 * ( d * ( mat23 * dp ) ) );
+ // temp.set( 3, 2, -temp.get( 2, 3 ) );
+
+ // return temp;
+
+ double a0r = real( d[0] ), a0i = imag( d[0] );
+ double a1r = real( d[1] ), a1i = imag( d[1] );
+ double a2r = real( d[2] ), a2i = imag( d[2] );
+ double a3r = real( d[3] ), a3i = imag( d[3] );
+
+ double b0r = real( dp[0] ), b0i = imag( dp[0] );
+ double b1r = real( dp[1] ), b1i = imag( dp[1] );
+ double b2r = real( dp[2] ), b2i = imag( dp[2] );
+ double b3r = real( dp[3] ), b3i = imag( dp[3] );
+
+ double t0r = a0r * b3r + a0i * b3i, t0i = a0r * b3i - a0i * b3r;
+ double t1r = a1r * b2r + a1i * b2i, t1i = a1r * b2i - a1i * b2r;
+ double t2r = a2r * b1r + a2i * b1i, t2i = a2r * b1i - a2i * b1r;
+ double t3r = a3r * b0r + a3i * b0i, t3i = a3r * b0i - a3i * b0r;
+
+ double t01r = t2i + t3i - ( t0i + t1i );
+ double t01i = t0r + t1r - ( t2r + t3r );
+
+ double t02r = t0r + t3r - ( t1r + t2r );
+ double t02i = t0i + t3i - ( t1i + t2i );
+
+ double t03r = ( a1r * b3i - a1i * b3r ) + ( a2r * b0i - a2i * b0r ) -
+ ( a0r * b2i - a0i * b2r ) - ( a3r * b1i - a3i * b1r );
+ double t03i = ( a0r * b2r + a0i * b2i ) - ( a1r * b3r + a1i * b3i ) -
+ ( a2r * b0r + a2i * b0i ) + ( a3r * b1r + a3i * b1i );
+
+ double t12r = ( a0r * b0r + a0i * b0i ) - ( a1r * b1r + a1i * b1i ) -
+ ( a2r * b2r + a2i * b2i ) + ( a3r * b3r + a3i * b3i );
+ double t12i = ( a0r * b0i - a0i * b0r ) - ( a1r * b1i - a1i * b1r ) -
+ ( a2r * b2i - a2i * b2r ) + ( a3r * b3i - a3i * b3r );
+
+ double q0r = a0r * b1r + a0i * b1i, q0i = a0r * b1i - a0i * b1r;
+ double q1r = a1r * b0r + a1i * b0i, q1i = a1r * b0i - a1i * b0r;
+ double q2r = a2r * b3r + a2i * b3i, q2i = a2r * b3i - a2i * b3r;
+ double q3r = a3r * b2r + a3i * b2i, q3i = a3r * b2i - a3i * b2r;
+
+ double t13r = q1i + q2i - ( q0i + q3i );
+ double t13i = q0r + q3r - ( q1r + q2r );
+
+ double t23r = q0r + q1r - ( q2r + q3r );
+ double t23i = q0i + q1i - ( q2i + q3i );
+
+ EvtTensor4C res;
+ res.set( 0, 1, EvtComplex( t01r, t01i ) );
+ res.set( 1, 0, EvtComplex( -t01r, -t01i ) );
+
+ res.set( 0, 2, EvtComplex( t02r, t02i ) );
+ res.set( 2, 0, EvtComplex( -t02r, -t02i ) );
+
+ res.set( 0, 3, EvtComplex( t03r, t03i ) );
+ res.set( 3, 0, EvtComplex( -t03r, -t03i ) );
+
+ res.set( 1, 2, EvtComplex( t12r, t12i ) );
+ res.set( 2, 1, EvtComplex( -t12r, -t12i ) );
+
+ res.set( 1, 3, EvtComplex( t13r, t13i ) );
+ res.set( 3, 1, EvtComplex( -t13r, -t13i ) );
+
+ res.set( 2, 3, EvtComplex( t23r, t23i ) );
+ res.set( 3, 2, EvtComplex( -t23r, -t23i ) );
+
+ // std::cout<<res - temp<<std::endl;
+
+ return res;
}
EvtDiracSpinor operator*( const EvtComplex& c, const EvtDiracSpinor& d )
{
- EvtDiracSpinor result;
- result.spinor[0] = c * d.spinor[0];
- result.spinor[1] = c * d.spinor[1];
- result.spinor[2] = c * d.spinor[2];
- result.spinor[3] = c * d.spinor[3];
- return result;
+ // EvtDiracSpinor result;
+ // result.spinor[0] = c * d.spinor[0];
+ // result.spinor[1] = c * d.spinor[1];
+ // result.spinor[2] = c * d.spinor[2];
+ // result.spinor[3] = c * d.spinor[3];
+ // return result;
+ return EvtDiracSpinor( c * d[0], c * d[1], c * d[2], c * d[3] );
}
EvtDiracSpinor EvtDiracSpinor::adjoint() const
{
- EvtDiracSpinor d = this->conj(); // first conjugate, then multiply with gamma0
- EvtGammaMatrix g0 = EvtGammaMatrix::g0();
- EvtDiracSpinor result; // automatically initialized to 0
-
- for ( int i = 0; i < 4; ++i )
- for ( int j = 0; j < 4; ++j )
- result.spinor[i] += d.spinor[j] * g0._gamma[i][j];
-
- return result;
+ // EvtDiracSpinor d = this->conj(); // first conjugate, then multiply with gamma0
+ // EvtGammaMatrix g0 = EvtGammaMatrix::g0();
+ // EvtDiracSpinor result; // automatically initialized to 0
+
+ // for ( int i = 0; i < 4; ++i )
+ // for ( int j = 0; j < 4; ++j )
+ // result.spinor[i] += d.spinor[j] * g0._gamma[i][j];
+
+ // return result;
+ const EvtDiracSpinor& d = *this;
+ double a0r = real( d[0] ), a0i = imag( d[0] );
+ double a1r = real( d[1] ), a1i = imag( d[1] );
+ double a2r = real( d[2] ), a2i = imag( d[2] );
+ double a3r = real( d[3] ), a3i = imag( d[3] );
+ return EvtDiracSpinor( EvtComplex( a0r, -a0i ), EvtComplex( a1r, -a1i ),
+ EvtComplex( -a2r, a2i ), EvtComplex( -a3r, a3i ) );
}
EvtComplex operator*( const EvtDiracSpinor& d, const EvtDiracSpinor& dp )
{
- int i;
- EvtComplex temp;
+ // int i;
+ // EvtComplex temp;
- temp = EvtComplex( 0.0, 0.0 );
+ // temp = EvtComplex( 0.0, 0.0 );
- for ( i = 0; i < 4; i++ ) {
- temp += conj( d.get_spinor( i ) ) * dp.get_spinor( i );
- }
- return temp;
+ // for ( i = 0; i < 4; i++ ) {
+ // temp += conj( d.get_spinor( i ) ) * dp.get_spinor( i );
+ // }
+ // return temp;
+
+ double a0r = real( d[0] ), a0i = imag( d[0] );
+ double a1r = real( d[1] ), a1i = imag( d[1] );
+ double a2r = real( d[2] ), a2i = imag( d[2] );
+ double a3r = real( d[3] ), a3i = imag( d[3] );
+
+ double b0r = real( dp[0] ), b0i = imag( dp[0] );
+ double b1r = real( dp[1] ), b1i = imag( dp[1] );
+ double b2r = real( dp[2] ), b2i = imag( dp[2] );
+ double b3r = real( dp[3] ), b3i = imag( dp[3] );
+
+ double w0r = a0r * b0r + a0i * b0i, w0i = a0r * b0i - a0i * b0r;
+ double w1r = a1r * b1r + a1i * b1i, w1i = a1r * b1i - a1i * b1r;
+ double w2r = a2r * b2r + a2i * b2i, w2i = a2r * b2i - a2i * b2r;
+ double w3r = a3r * b3r + a3i * b3i, w3i = a3r * b3i - a3i * b3r;
+
+ return EvtComplex( w0r + w1r + ( w2r + w3r ), w0i + w1i + ( w2i + w3i ) );
}
diff --git a/src/EvtGenBase/EvtExtGeneratorCommandsTable.cpp b/src/EvtGenBase/EvtExtGeneratorCommandsTable.cpp
--- a/src/EvtGenBase/EvtExtGeneratorCommandsTable.cpp
+++ b/src/EvtGenBase/EvtExtGeneratorCommandsTable.cpp
@@ -32,9 +32,9 @@
EvtExtGeneratorCommandsTable* EvtExtGeneratorCommandsTable::getInstance()
{
- static EvtExtGeneratorCommandsTable* theCommandMap = 0;
+ static EvtExtGeneratorCommandsTable* theCommandMap = nullptr;
- if ( theCommandMap == 0 ) {
+ if ( theCommandMap == nullptr ) {
theCommandMap = new EvtExtGeneratorCommandsTable();
}
diff --git a/src/EvtGenBase/EvtGenKine.cpp b/src/EvtGenBase/EvtGenKine.cpp
--- a/src/EvtGenBase/EvtGenKine.cpp
+++ b/src/EvtGenBase/EvtGenKine.cpp
@@ -21,324 +21,912 @@
#include "EvtGenBase/EvtGenKine.hh"
#include "EvtGenBase/EvtConst.hh"
+#include "EvtGenBase/EvtLinSample.hh"
#include "EvtGenBase/EvtParticle.hh"
#include "EvtGenBase/EvtPatches.hh"
#include "EvtGenBase/EvtRandom.hh"
#include "EvtGenBase/EvtReport.hh"
#include "EvtGenBase/EvtVector4R.hh"
+#include <algorithm>
#include <cmath>
-#include <iostream>
using std::endl;
-double EvtPawt( double a, double b, double c )
+inline void orderdouble( double* x, int i, int j )
{
- double temp = ( a * a - ( b + c ) * ( b + c ) ) *
- ( a * a - ( b - c ) * ( b - c ) );
+ auto t = std::min( x[i], x[j] );
+ x[j] = std::max( x[i], x[j] );
+ x[i] = t;
+}
- if ( temp <= 0 ) {
- return 0.0;
- }
+#define Od( i, j ) orderdouble( x, i, j )
- return sqrt( temp ) / ( 2.0 * a );
+void sort15( double* x )
+{
+ Od( 0, 1 );
+ Od( 2, 3 );
+ Od( 4, 5 );
+ Od( 6, 7 );
+ Od( 8, 9 );
+ Od( 10, 11 );
+ Od( 12, 13 );
+ Od( 0, 2 );
+ Od( 4, 6 );
+ Od( 8, 10 );
+ Od( 12, 14 );
+ Od( 1, 3 );
+ Od( 5, 7 );
+ Od( 9, 11 );
+ Od( 0, 4 );
+ Od( 8, 12 );
+ Od( 1, 5 );
+ Od( 9, 13 );
+ Od( 2, 6 );
+ Od( 10, 14 );
+ Od( 3, 7 );
+ Od( 0, 8 );
+ Od( 1, 9 );
+ Od( 2, 10 );
+ Od( 3, 11 );
+ Od( 4, 12 );
+ Od( 5, 13 );
+ Od( 6, 14 );
+ Od( 5, 10 );
+ Od( 6, 9 );
+ Od( 3, 12 );
+ Od( 13, 14 );
+ Od( 7, 11 );
+ Od( 1, 2 );
+ Od( 4, 8 );
+ Od( 1, 4 );
+ Od( 7, 13 );
+ Od( 2, 8 );
+ Od( 11, 14 );
+ Od( 2, 4 );
+ Od( 5, 6 );
+ Od( 9, 10 );
+ Od( 11, 13 );
+ Od( 3, 8 );
+ Od( 7, 12 );
+ Od( 6, 8 );
+ Od( 10, 12 );
+ Od( 3, 5 );
+ Od( 7, 9 );
+ Od( 3, 4 );
+ Od( 5, 6 );
+ Od( 7, 8 );
+ Od( 9, 10 );
+ Od( 11, 12 );
+ Od( 6, 7 );
+ Od( 8, 9 );
}
-double EvtGenKine::PhaseSpace( int ndaug, double mass[30], EvtVector4R p4[30],
- double mp )
+void sort14( double* x )
+{
+ Od( 0, 1 );
+ Od( 2, 3 );
+ Od( 4, 5 );
+ Od( 6, 7 );
+ Od( 8, 9 );
+ Od( 10, 11 );
+ Od( 12, 13 );
+ Od( 0, 2 );
+ Od( 4, 6 );
+ Od( 8, 10 );
+ Od( 1, 3 );
+ Od( 5, 7 );
+ Od( 9, 11 );
+ Od( 0, 4 );
+ Od( 8, 12 );
+ Od( 1, 5 );
+ Od( 9, 13 );
+ Od( 2, 6 );
+ Od( 3, 7 );
+ Od( 0, 8 );
+ Od( 1, 9 );
+ Od( 2, 10 );
+ Od( 3, 11 );
+ Od( 4, 12 );
+ Od( 5, 13 );
+ Od( 5, 10 );
+ Od( 6, 9 );
+ Od( 3, 12 );
+ Od( 7, 11 );
+ Od( 1, 2 );
+ Od( 4, 8 );
+ Od( 1, 4 );
+ Od( 7, 13 );
+ Od( 2, 8 );
+ Od( 2, 4 );
+ Od( 5, 6 );
+ Od( 9, 10 );
+ Od( 11, 13 );
+ Od( 3, 8 );
+ Od( 7, 12 );
+ Od( 6, 8 );
+ Od( 10, 12 );
+ Od( 3, 5 );
+ Od( 7, 9 );
+ Od( 3, 4 );
+ Od( 5, 6 );
+ Od( 7, 8 );
+ Od( 9, 10 );
+ Od( 11, 12 );
+ Od( 6, 7 );
+ Od( 8, 9 );
+}
-// N body phase space routine. Send parent with
-// daughters already defined ( Number and masses )
-// Returns four vectors in parent frame.
+void sort13( double* x )
+{
+ Od( 1, 3 );
+ Od( 5, 11 );
+ Od( 4, 7 );
+ Od( 8, 9 );
+ Od( 0, 12 );
+ Od( 6, 10 );
+ Od( 1, 4 );
+ Od( 6, 8 );
+ Od( 9, 10 );
+ Od( 11, 12 );
+ Od( 0, 5 );
+ Od( 3, 7 );
+ Od( 1, 2 );
+ Od( 5, 9 );
+ Od( 10, 12 );
+ Od( 0, 6 );
+ Od( 8, 11 );
+ Od( 0, 1 );
+ Od( 4, 5 );
+ Od( 3, 8 );
+ Od( 2, 6 );
+ Od( 1, 2 );
+ Od( 3, 4 );
+ Od( 6, 7 );
+ Od( 8, 9 );
+ Od( 5, 11 );
+ Od( 1, 3 );
+ Od( 6, 10 );
+ Od( 2, 4 );
+ Od( 5, 8 );
+ Od( 9, 11 );
+ Od( 7, 12 );
+ Od( 2, 3 );
+ Od( 4, 6 );
+ Od( 7, 10 );
+ Od( 4, 5 );
+ Od( 7, 9 );
+ Od( 10, 11 );
+ Od( 6, 8 );
+ Od( 3, 4 );
+ Od( 5, 6 );
+ Od( 7, 8 );
+ Od( 9, 10 );
+ Od( 6, 7 );
+ Od( 8, 9 );
+}
+void sort12( double* x )
{
- double energy, p3, alpha, beta;
+ Od( 0, 1 );
+ Od( 2, 3 );
+ Od( 4, 5 );
+ Od( 6, 7 );
+ Od( 8, 9 );
+ Od( 10, 11 );
+ Od( 1, 3 );
+ Od( 5, 7 );
+ Od( 9, 11 );
+ Od( 0, 2 );
+ Od( 4, 6 );
+ Od( 8, 10 );
+ Od( 5, 9 );
+ Od( 6, 10 );
+ Od( 1, 2 );
+ Od( 7, 11 );
+ Od( 0, 4 );
+ Od( 1, 5 );
+ Od( 9, 10 );
+ Od( 2, 6 );
+ Od( 3, 7 );
+ Od( 4, 8 );
+ Od( 5, 9 );
+ Od( 1, 2 );
+ Od( 6, 10 );
+ Od( 0, 4 );
+ Od( 7, 11 );
+ Od( 3, 8 );
+ Od( 1, 4 );
+ Od( 7, 10 );
+ Od( 2, 3 );
+ Od( 5, 6 );
+ Od( 8, 9 );
+ Od( 3, 5 );
+ Od( 6, 8 );
+ Od( 2, 4 );
+ Od( 7, 9 );
+ Od( 3, 4 );
+ Od( 5, 6 );
+ Od( 7, 8 );
+}
- if ( ndaug == 1 ) {
- p4[0].set( mass[0], 0.0, 0.0, 0.0 );
- return 1.0;
- }
+void sort11( double* x )
+{
+ Od( 0, 9 );
+ Od( 1, 8 );
+ Od( 2, 7 );
+ Od( 3, 6 );
+ Od( 4, 5 );
+ Od( 0, 3 );
+ Od( 4, 10 );
+ Od( 1, 2 );
+ Od( 6, 9 );
+ Od( 7, 8 );
+ Od( 0, 1 );
+ Od( 2, 3 );
+ Od( 5, 8 );
+ Od( 9, 10 );
+ Od( 6, 7 );
+ Od( 1, 2 );
+ Od( 4, 6 );
+ Od( 8, 10 );
+ Od( 5, 9 );
+ Od( 0, 4 );
+ Od( 7, 8 );
+ Od( 1, 5 );
+ Od( 2, 9 );
+ Od( 3, 6 );
+ Od( 1, 4 );
+ Od( 5, 7 );
+ Od( 2, 3 );
+ Od( 6, 9 );
+ Od( 2, 4 );
+ Od( 6, 7 );
+ Od( 8, 9 );
+ Od( 3, 5 );
+ Od( 3, 4 );
+ Od( 5, 6 );
+ Od( 7, 8 );
+}
- if ( ndaug == 2 ) {
- //Two body phase space
+void sort10( double* x )
+{
+ Od( 1, 8 );
+ Od( 0, 4 );
+ Od( 5, 9 );
+ Od( 3, 7 );
+ Od( 2, 6 );
+ Od( 0, 3 );
+ Od( 6, 9 );
+ Od( 4, 7 );
+ Od( 0, 1 );
+ Od( 3, 6 );
+ Od( 8, 9 );
+ Od( 2, 5 );
+ Od( 1, 5 );
+ Od( 7, 9 );
+ Od( 0, 2 );
+ Od( 4, 8 );
+ Od( 1, 2 );
+ Od( 3, 4 );
+ Od( 5, 6 );
+ Od( 7, 8 );
+ Od( 1, 3 );
+ Od( 6, 8 );
+ Od( 2, 4 );
+ Od( 5, 7 );
+ Od( 2, 3 );
+ Od( 6, 7 );
+ Od( 4, 6 );
+ Od( 3, 5 );
+ Od( 4, 5 );
+}
- energy = ( mp * mp + mass[0] * mass[0] - mass[1] * mass[1] ) /
- ( 2.0 * mp );
+void sort9( double* x )
+{
+ Od( 1, 2 );
+ Od( 4, 5 );
+ Od( 7, 8 );
+ Od( 0, 1 );
+ Od( 3, 4 );
+ Od( 6, 7 );
+ Od( 1, 2 );
+ Od( 4, 5 );
+ Od( 7, 8 );
+ Od( 3, 6 );
+ Od( 0, 3 );
+ Od( 5, 8 );
+ Od( 4, 7 );
+ Od( 3, 6 );
+ Od( 2, 5 );
+ Od( 1, 4 );
+ Od( 1, 3 );
+ Od( 5, 8 );
+ Od( 4, 7 );
+ Od( 2, 6 );
+ Od( 5, 7 );
+ Od( 2, 3 );
+ Od( 4, 6 );
+ Od( 3, 4 );
+ Od( 5, 6 );
+}
- p3 = 0.0;
- if ( energy > mass[0] ) {
- p3 = sqrt( energy * energy - mass[0] * mass[0] );
- }
+void sort8( double* x )
+{
+ Od( 0, 1 );
+ Od( 2, 3 );
+ Od( 4, 5 );
+ Od( 6, 7 );
+ Od( 1, 3 );
+ Od( 5, 7 );
+ Od( 0, 2 );
+ Od( 4, 6 );
+ Od( 1, 2 );
+ Od( 5, 6 );
+ Od( 3, 7 );
+ Od( 2, 6 );
+ Od( 1, 5 );
+ Od( 0, 4 );
+ Od( 3, 5 );
+ Od( 2, 4 );
+ Od( 1, 2 );
+ Od( 3, 4 );
+ Od( 5, 6 );
+}
- p4[0].set( energy, 0.0, 0.0, p3 );
+void sort7( double* x )
+{
+ Od( 1, 2 );
+ Od( 3, 4 );
+ Od( 5, 6 );
+ Od( 0, 2 );
+ Od( 4, 6 );
+ Od( 3, 5 );
+ Od( 2, 6 );
+ Od( 1, 5 );
+ Od( 0, 4 );
+ Od( 2, 5 );
+ Od( 0, 3 );
+ Od( 2, 4 );
+ Od( 1, 3 );
+ Od( 0, 1 );
+ Od( 2, 3 );
+ Od( 4, 5 );
+}
- energy = mp - energy;
- p3 = -1.0 * p3;
- p4[1].set( energy, 0.0, 0.0, p3 );
+void sort6( double* x )
+{
+ Od( 0, 1 );
+ Od( 2, 3 );
+ Od( 4, 5 );
+ Od( 0, 2 );
+ Od( 3, 5 );
+ Od( 1, 4 );
+ Od( 0, 1 );
+ Od( 2, 3 );
+ Od( 4, 5 );
+ Od( 1, 2 );
+ Od( 3, 4 );
+ Od( 2, 3 );
+}
- //Now rotate four vectors.
+void sort5( double* x )
+{
+ Od( 1, 2 );
+ Od( 3, 4 );
+ Od( 1, 3 );
+ Od( 0, 2 );
+ Od( 2, 4 );
+ Od( 0, 3 );
+ Od( 0, 1 );
+ Od( 2, 3 );
+ Od( 1, 2 );
+}
- alpha = EvtRandom::Flat( EvtConst::twoPi );
- beta = acos( EvtRandom::Flat( -1.0, 1.0 ) );
+void sort4( double* x )
+{
+ Od( 0, 1 );
+ Od( 2, 3 );
+ Od( 0, 2 );
+ Od( 1, 3 );
+ Od( 1, 2 );
+}
- p4[0].applyRotateEuler( alpha, beta, -alpha );
- p4[1].applyRotateEuler( alpha, beta, -alpha );
+void sort3( double* x )
+{
+ Od( 0, 1 );
+ Od( 1, 2 );
+ Od( 0, 1 );
+}
- return 1.0;
- }
+void sort2( double* x )
+{
+ Od( 0, 1 );
+}
- if ( ndaug != 2 ) {
- double wtmax = 0.0;
- double pm[5][30], pmin, pmax, psum, rnd[30];
- double ran, wt, pa, costh, sinth, phi, p[4][30], be[4], bep, temp;
- int i, il, ilr, i1, il1u, il1, il2r, ilu;
- int il2 = 0;
+void sort1( double* )
+{
+}
- for ( i = 0; i < ndaug; i++ ) {
- pm[4][i] = 0.0;
- rnd[i] = 0.0;
- }
+typedef void( fun_t )( double* );
+fun_t* sortfuns[] = { sort1, sort2, sort3, sort4, sort5,
+ sort6, sort7, sort8, sort9, sort10,
+ sort11, sort12, sort13, sort14, sort15 };
- pm[0][0] = mp;
- pm[1][0] = 0.0;
- pm[2][0] = 0.0;
- pm[3][0] = 0.0;
- pm[4][0] = mp;
+inline double sqr( double x )
+{
+ return x * x;
+}
- psum = 0.0;
- for ( i = 1; i < ndaug + 1; i++ ) {
- psum = psum + mass[i - 1];
- }
+// return s = sin and c = cos of phi = k/2^32*2*M_PI
+// tested that |s|<=1 and |c|<=1
+// max |s^2 + c^2 - 1| <= 4.440892e-16
+// max relative difference |s-s_true|/s_true < 1.716228e-15
+void __attribute__( ( noinline ) )
+usincos( unsigned long kw, double& s, double& c )
+{
+ const static double st[] = { 0,
+ 4.90676743274180142550e-2,
+ 9.80171403295606019942e-2,
+ 1.46730474455361751659e-1,
+ 1.95090322016128267848e-1,
+ 2.42980179903263889948e-1,
+ 2.90284677254462367636e-1,
+ 3.36889853392220050689e-1,
+ 3.82683432365089771728e-1,
+ 4.27555093430282094321e-1,
+ 4.71396736825997648556e-1,
+ 5.14102744193221726594e-1,
+ 5.55570233019602224743e-1,
+ 5.95699304492433343467e-1,
+ 6.34393284163645498215e-1,
+ 6.71558954847018400625e-1,
+ 7.07106781186547524401e-1,
+ 7.40951125354959091176e-1,
+ 7.73010453362736960811e-1,
+ 8.03207531480644909807e-1,
+ 8.31469612302545237079e-1,
+ 8.57728610000272069902e-1,
+ 8.81921264348355029713e-1,
+ 9.03989293123443331586e-1,
+ 9.23879532511286756128e-1,
+ 9.41544065183020778413e-1,
+ 9.56940335732208864936e-1,
+ 9.70031253194543992604e-1,
+ 9.80785280403230449126e-1,
+ 9.89176509964780973452e-1,
+ 9.95184726672196886245e-1,
+ 9.98795456205172392715e-1,
+ 1 };
+ double x = (long)( kw << ( 5 + 2 ) ), x2 = x * x;
+ static const double as[3] = { 2.661032484442617284e-21,
+ -3.140503474026838861e-63,
+ 1.111886075860967104e-105 },
+ ac[3] = { -3.540546941629423600e-42,
+ 2.089245440416171469e-84,
+ -4.931274944723895814e-127 };
+ unsigned k = (unsigned long)kw >> 32;
+ int jk = ( k + ( 1 << 24 ) ) << 1, mask = jk >> 31,
+ absj = ( ( jk >> 26 ) ^ mask ) - mask;
+ double s0 = st[absj], c0 = st[32 - absj];
+ static const double sign[2] = { 1, -1 };
+ s0 *= sign[( k + 0 ) >> 31];
+ c0 *= sign[( k + ( 1 << 30 ) ) >> 31];
+ double sn = ( as[0] + x2 * ( as[1] + x2 * ( as[2] ) ) );
+ double dcs = x * ( ac[0] + x2 * ( ac[1] + x2 * ( ac[2] ) ) );
+ s = s0 + x * ( sn * c0 + dcs * s0 );
+ c = c0 + x * ( dcs * c0 - sn * s0 );
+}
- pm[4][ndaug - 1] = mass[ndaug - 1];
+// return s = sin and c = cos of phi = r*2*M_PI
+// 0 <= r < 1
+// minimal nonzero r is supposed to be 2^-53
+void rsincos( double r, double& s, double& c )
+{
+ long kw = r * 9007199254740992ul;
+ usincos( kw << 11, s, c );
+}
- switch ( ndaug ) {
- case 1:
- wtmax = 1.0 / 16.0;
- break;
- case 2:
- wtmax = 1.0 / 150.0;
- break;
- case 3:
- wtmax = 1.0 / 2.0;
- break;
- case 4:
- wtmax = 1.0 / 5.0;
- break;
- case 5:
- wtmax = 1.0 / 15.0;
- break;
- case 6:
- wtmax = 1.0 / 15.0;
- break;
- case 7:
- wtmax = 1.0 / 15.0;
- break;
- case 8:
- wtmax = 1.0 / 15.0;
- break;
- case 9:
- wtmax = 1.0 / 15.0;
- break;
- case 10:
- wtmax = 1.0 / 15.0;
- break;
- case 11:
- wtmax = 1.0 / 15.0;
- break;
- case 12:
- wtmax = 1.0 / 15.0;
- break;
- case 13:
- wtmax = 1.0 / 15.0;
- break;
- case 14:
- wtmax = 1.0 / 15.0;
- break;
- case 15:
- wtmax = 1.0 / 15.0;
- break;
- default:
- EvtGenReport( EVTGEN_ERROR, "EvtGen" )
- << "too many daughters for phase space..." << ndaug << " "
- << mp << endl;
- ;
- break;
- }
+double EvtGenKine::PhaseSpace( int ndaug, const double mass[30],
+ EvtVector4R p4[30], double mp )
- pmax = mp - psum + mass[ndaug - 1];
+// N body phase space routine. Send parent with
+// daughters already defined ( Number and masses )
+// Returns four vectors in parent frame.
- pmin = 0.0;
+{
+ // Maximal weight scale -- based on numerical experiments
+ const static double wtscale[] = {
+ 1.000000e+00, 1.000000e+00, 5.000707e-01, 1.924501e-01, 6.249988e-02,
+ 1.789312e-02, 4.632982e-03, 1.104825e-03, 2.450442e-04, 5.095439e-05,
+ 1.022054e-05, 1.834890e-06, 3.216923e-07, 5.540728e-08, 9.468573e-09 };
- for ( ilr = 2; ilr < ndaug + 1; ilr++ ) {
- il = ndaug + 1 - ilr;
- pmax = pmax + mass[il - 1];
- pmin = pmin + mass[il + 1 - 1];
- wtmax = wtmax * EvtPawt( pmax, pmin, mass[il - 1] );
+ if ( ndaug == 1 ) {
+ p4[0].set( mass[0], 0.0, 0.0, 0.0 );
+ } else if ( ndaug == 2 ) {
+ //Two body phase space
+ double en = ( mp * mp + mass[0] * mass[0] - mass[1] * mass[1] ) /
+ ( 2.0 * mp );
+ double p3 = ( en > mass[0] ) ? sqrt( en * en - mass[0] * mass[0] ) : 0;
+
+ //Now uniformly distribute over sphere
+ double s, c;
+ usincos( EvtRandom::urandom(), s, c );
+ double z = EvtRandom::random() * 2 - 1, r = sqrt( 1 - z * z );
+ double pt = p3 * r, px = pt * c, py = pt * s, pz = p3 * z;
+ p4[0].set( en, px, py, pz );
+ p4[1].set( mp - en, -px, -py, -pz );
+ } else if ( ndaug == 3 ) {
+#define ipck( i, j, k ) ( i | ( j << 2 ) | ( k << 4 ) )
+ const static unsigned char indx[9] = { ipck( 2, 1, 0 ),
+ ipck( 2, 0, 1 ),
+ 0,
+ ipck( 1, 2, 0 ),
+ 0,
+ ipck( 0, 2, 1 ),
+ 0,
+ ipck( 1, 0, 2 ),
+ ipck( 0, 1, 2 ) };
+#undef ipck
+ double m0 = mass[0], m1 = mass[1], m2 = mass[2];
+ unsigned i0 = ( m0 > m1 ) + ( m0 > m2 );
+ unsigned i1 = ( m1 >= m0 ) + ( m1 > m2 );
+ unsigned i2 = ( m2 >= m0 ) + ( m2 >= m1 );
+ unsigned I = i0 + 3 * ( i1 + 3 * i2 ), J = indx[( I - 5 ) >> 1],
+ j0 = J & 3, j1 = ( J >> 2 ) & 3, j2 = ( J >> 4 ) & 3;
+ double wtmax = wtscale[ndaug - 1] * wtscale[ndaug - 1];
+ auto order = []( double& a, double& b ) -> void {
+ auto t = std::max( a, b );
+ a = std::min( a, b );
+ b = t;
+ };
+ order( m0, m1 );
+ order( m1, m2 );
+ double u0 = m0 + m1, v0 = m0 - m1, M1max = mp - m2, M02 = sqr( M1max );
+ double u02 = u0 * u0, v02 = v0 * v0;
+ order( m0, m1 );
+ double u1 = u0 + m2, v1 = u0 - m2, M12 = sqr( mp ), dE = mp - u1;
+ if ( dE <= 0 ) {
+ printf( "Not enough energy: Mtot = %f Etot = %f\n", u1, mp );
+ exit( -1 );
}
+ wtmax /= M12 * M02;
+ wtmax *= ( M02 - u02 ) * ( M02 - v02 ) * ( M12 - u1 * u1 ) *
+ ( M12 - v1 * v1 );
+ double wt, wtd, R, M1, p0, p1;
do {
- rnd[0] = 1.0;
- il1u = ndaug - 1;
-
- for ( il1 = 2; il1 < il1u + 1; il1++ ) {
- ran = EvtRandom::Flat();
- for ( il2r = 2; il2r < il1 + 1; il2r++ ) {
- il2 = il1 + 1 - il2r;
- if ( ran <= rnd[il2 - 1] )
- goto two39;
- rnd[il2 + 1 - 1] = rnd[il2 - 1];
- }
- two39:
- rnd[il2 + 1 - 1] = ran;
- }
+ M1 = u0 + dE * EvtRandom::random();
+ R = wtmax * sqr( EvtRandom::random() );
+ double M02 = M1 * M1;
+ p0 = ( M02 - u02 ) * ( M02 - v02 );
+ double u1 = M1 + m2, v1 = M1 - m2;
+ p1 = ( M12 - u1 * u1 ) * ( M12 - v1 * v1 );
+ wt = p0 * p1;
+ wtd = M02 * M12;
+ } while ( wt < wtd * R );
+ double iM1 = 1 / M1;
+ p0 = sqrt( p0 ) * 0.5 * iM1;
+ p1 = sqrt( p1 ) / ( 2 * mp );
+
+ // for tree particle decay all momenta lie in a plane so let us
+ // generate momenta in the x-y plane with the third particle
+ // momentum along x-axis and then randomly rotate them
+ double E3 = sqrt( p1 * p1 + m2 * m2 );
+ double E12 = mp - E3;
+
+ // energies of particles 1 and 2 in their rest frame where they are back-to-back
+ double E1 = sqrt( p0 * p0 + m0 * m0 ), E2 = sqrt( p0 * p0 + m1 * m1 );
+
+ // projection on the x-y plane of uniform rotations in 3D
+ double cth = EvtRandom::random() * 2 - 1, sth = sqrt( 1 - cth * cth );
+ double px = p0 * cth, py = p0 * sth;
+
+ // boost 1 and 2 particle into the 1-2-3 rest frame
+ double g = E12 * iM1, gb = p1 * iM1;
+ double gpx = g * px, gbpx = gb * px;
+ double v0x = gpx - gb * E1, v0e = g * E1 - gbpx;
+ double v1x = -gpx - gb * E2, v1e = g * E2 + gbpx;
+ double v2x = p1;
+
+ double x, y;
+ usincos( EvtRandom::urandom(), x, y );
+ double c, s;
+ usincos( EvtRandom::urandom(), c, s );
+ double u = EvtRandom::random() * 2, z = u - 1, r = sqrt( 1 - z * z );
+ double Rx = s * y - c * x, Ry = c * y + s * x, ux = u * x, uy = u * y;
+ double R00 = ux * Rx + c, R01 = s - ux * Ry, R10 = uy * Rx - s,
+ R11 = c - uy * Ry, R20 = -r * Rx, R21 = r * Ry;
+ double pyx = R01 * py, pyy = R11 * py, pyz = R21 * py;
+
+ p4[j0].set( v0e, R00 * v0x + pyx, R10 * v0x + pyy, R20 * v0x + pyz );
+ p4[j1].set( v1e, R00 * v1x - pyx, R10 * v1x - pyy, R20 * v1x - pyz );
+ p4[j2].set( E3, R00 * v2x, R10 * v2x, R20 * v2x );
+ } else if ( ndaug < 16 ) {
+ const int nmax = 15;
+ double M[nmax], rndf[nmax], p[nmax - 1];
+ const double* m = mass;
+
+ double E0 = 0.0;
+ for ( int i = 0; i < ndaug; i++ ) {
+ E0 += m[i];
+ M[i] = m[i];
+ }
+ double dE = mp - E0;
+ if ( dE <= 0 ) {
+ printf( "Not enough energy: Mtot = %f Etot = %f\n", E0, mp );
+ exit( -1 );
+ }
+ rndf[0] = 0.0;
+ rndf[ndaug - 1] = 1;
+
+ double wtmax = wtscale[ndaug - 1] * wtscale[ndaug - 1];
+ // std::sort(M, M + ndaug, std::less<double>());
+ sortfuns[ndaug - 1]( M );
+ m = M;
+ double Mmin = 0.0, Mmax = dE + m[0], wtmaxd = 1.0;
+ for ( int i = 0; i < ndaug - 1; i++ ) {
+ Mmin += m[i];
+ Mmax += m[i + 1];
+ double u = Mmin + m[i + 1], v = Mmin - m[i + 1], M2 = Mmax * Mmax;
+ wtmax *= ( M2 - u * u ) * ( M2 - v * v );
+ wtmaxd *= M2;
+ }
+ wtmax /= wtmaxd;
+ m = mass;
+ fun_t* sortfun = sortfuns[ndaug - 3];
+ double wt, wtd, R;
+ do {
+ for ( int i = 1; i < ndaug - 1; i++ )
+ rndf[i] = EvtRandom::random();
+ sortfun( rndf + 1 );
- rnd[ndaug - 1] = 0.0;
wt = 1.0;
- for ( ilr = 2; ilr < ndaug + 1; ilr++ ) {
- il = ndaug + 1 - ilr;
- pm[4][il - 1] = pm[4][il + 1 - 1] + mass[il - 1] +
- ( rnd[il - 1] - rnd[il + 1 - 1] ) * ( mp - psum );
- wt = wt *
- EvtPawt( pm[4][il - 1], pm[4][il + 1 - 1], mass[il - 1] );
- }
- if ( wt > wtmax ) {
- EvtGenReport( EVTGEN_ERROR, "EvtGen" )
- << "wtmax to small in EvtPhaseSpace with " << ndaug
- << " daughters" << endl;
- ;
- }
- } while ( wt < EvtRandom::Flat( wtmax ) );
-
- ilu = ndaug - 1;
-
- for ( il = 1; il < ilu + 1; il++ ) {
- pa = EvtPawt( pm[4][il - 1], pm[4][il + 1 - 1], mass[il - 1] );
- costh = EvtRandom::Flat( -1.0, 1.0 );
- sinth = sqrt( 1.0 - costh * costh );
- phi = EvtRandom::Flat( EvtConst::twoPi );
- p[1][il - 1] = pa * sinth * cos( phi );
- p[2][il - 1] = pa * sinth * sin( phi );
- p[3][il - 1] = pa * costh;
- pm[1][il + 1 - 1] = -p[1][il - 1];
- pm[2][il + 1 - 1] = -p[2][il - 1];
- pm[3][il + 1 - 1] = -p[3][il - 1];
- p[0][il - 1] = sqrt( pa * pa + mass[il - 1] * mass[il - 1] );
- pm[0][il + 1 - 1] = sqrt( pa * pa +
- pm[4][il + 1 - 1] * pm[4][il + 1 - 1] );
+ wtd = 1.0;
+ R = wtmax * sqr( EvtRandom::random() );
+ double M0 = m[0];
+ int i = 1;
+ do {
+ double f = rndf[i] - rndf[i - 1];
+ double m1 = m[i], M1 = m1 + M0 + f * dE;
+ double ma = M0 + m1, ms = M0 - m1, M2 = M1 * M1;
+ double t = ( M2 - ma * ma ) * ( M2 - ms * ms );
+ wt *= t;
+ wtd *= M2;
+ p[i - 1] = t;
+ M[i] = M1;
+ M0 = M1;
+ } while ( ++i < ndaug );
+ } while ( wt < wtd * R );
+
+ if ( wt > wtd * wtmax ) {
+ printf( "Warning: current weight is higher than supposed maximum: %e > %e\n",
+ sqrt( wt / wtd ), sqrt( wtmax ) );
}
- p[0][ndaug - 1] = pm[0][ndaug - 1];
- p[1][ndaug - 1] = pm[1][ndaug - 1];
- p[2][ndaug - 1] = pm[2][ndaug - 1];
- p[3][ndaug - 1] = pm[3][ndaug - 1];
-
- for ( ilr = 2; ilr < ndaug + 1; ilr++ ) {
- il = ndaug + 1 - ilr;
- be[0] = pm[0][il - 1] / pm[4][il - 1];
- be[1] = pm[1][il - 1] / pm[4][il - 1];
- be[2] = pm[2][il - 1] / pm[4][il - 1];
- be[3] = pm[3][il - 1] / pm[4][il - 1];
-
- for ( i1 = il; i1 < ndaug + 1; i1++ ) {
- bep = be[1] * p[1][i1 - 1] + be[2] * p[2][i1 - 1] +
- be[3] * p[3][i1 - 1] + be[0] * p[0][i1 - 1];
- temp = ( p[0][i1 - 1] + bep ) / ( be[0] + 1.0 );
- p[1][i1 - 1] = p[1][i1 - 1] + temp * be[1];
- p[2][i1 - 1] = p[2][i1 - 1] + temp * be[2];
- p[3][i1 - 1] = p[3][i1 - 1] + temp * be[3];
- p[0][i1 - 1] = bep;
- }
+ double* iM = rndf;
+ for ( int i = 0; i < ndaug - 1; i++ ) {
+ iM[i + 1] = 1 / M[i + 1];
+ p[i] = sqrt( p[i] ) * ( 0.5 * iM[i + 1] );
}
- for ( ilr = 0; ilr < ndaug; ilr++ ) {
- p4[ilr].set( p[0][ilr], p[1][ilr], p[2][ilr], p[3][ilr] );
- }
+ p4[0].set( sqrt( p[0] * p[0] + m[0] * m[0] ), 0, p[0], 0 );
+ int i = 1;
+ while ( 1 ) {
+ p4[i].set( sqrt( p[i - 1] * p[i - 1] + m[i] * m[i] ), 0, -p[i - 1],
+ 0 );
+
+ double cz = EvtRandom::random() * 2 - 1, sz = sqrt( 1 - cz * cz );
+ double sy, cy;
+ usincos( EvtRandom::urandom(), sy, cy );
+ for ( int j = 0; j <= i; j++ ) {
+ double x = p4[j].get( 1 ), y = p4[j].get( 2 ), z = p4[j].get( 3 );
+ double xp = cz * x - sz * y,
+ yp = sz * x + cz * y; // rotation around z
+ double zp = sy * xp + cy * z;
+ xp = cy * xp - sy * z; // rotation around y
+ p4[j].set( 1, xp );
+ p4[j].set( 2, yp );
+ p4[j].set( 3, zp );
+ }
+
+ if ( i == ( ndaug - 1 ) )
+ break;
- return 1.0;
+ double E = sqrt( p[i] * p[i] + M[i] * M[i] ), gamma = E * iM[i],
+ betagamma = p[i] * iM[i];
+ for ( int j = 0; j <= i; j++ ) {
+ double e = p4[j].get( 0 ), py = p4[j].get( 2 );
+ p4[j].set( 0, gamma * e + betagamma * py );
+ p4[j].set( 2, gamma * py + betagamma * e );
+ }
+ i++;
+ }
+ } else {
+ printf( "No more than 15 particles! Ndaughter = %d", ndaug );
+ exit( -1 );
}
return 1.0;
}
-double EvtGenKine::PhaseSpacePole( double M, double m1, double m2, double m3,
- double a, EvtVector4R p4[10] )
+double PhaseSpacePole1( double M, double m1, double m2, double m3, double a,
+ EvtVector4R p4[10] )
// generate kinematics for 3 body decays, pole for the m1,m2 mass.
-
{
- //f1 = 1 (phasespace)
- //f2 = a*(1/m12sq)^2
-
- double m12sqmax = ( M - m3 ) * ( M - m3 );
- double m12sqmin = ( m1 + m2 ) * ( m1 + m2 );
-
- double m13sqmax = ( M - m2 ) * ( M - m2 );
- double m13sqmin = ( m1 + m3 ) * ( m1 + m3 );
-
- double v1 = ( m12sqmax - m12sqmin ) * ( m13sqmax - m13sqmin );
- double v2 = a * ( 1.0 / m12sqmin - 1.0 / m12sqmax ) * ( m13sqmax - m13sqmin );
-
+ //f1 = 1 (phasespace)
+ //f2 = a*(1/(p4[0]+p4[1])^2)
+
+ double m12sqmin = ( m1 + m2 ) * ( m1 + m2 ),
+ m12sqmax = ( M - m3 ) * ( M - m3 );
+ double m13sqmin = ( m1 + m3 ) * ( m1 + m3 ),
+ m13sqmax = ( M - m2 ) * ( M - m2 );
+ double d12 = m12sqmax - m12sqmin, d13 = m13sqmax - m13sqmin;
+ double M2 = M * M, m32 = m3 * m3, m12 = m1 * m1, m22 = m2 * m2;
+ double c0 = M2 - m32, c1 = m12 - m22, c2 = m32 + m12;
+ double ab12 = log( m12sqmax / m12sqmin ); // \int_m12sqmin^m12sqmax dx/x
+ double r = d12 / ( d12 + a * ab12 );
double m12sq, m13sq;
+ do {
+ double z0 = EvtRandom::random(), z1 = EvtRandom::random(),
+ z2 = EvtRandom::random();
+ m13sq = m13sqmin + z0 * d13;
+ m12sq = ( r > z1 ) ? m12sqmin + z2 * d12 : m12sqmin * exp( z2 * ab12 );
+ double E3s = c0 - m12sq, E1s = m12sq + c1;
+ double w = 2 * m12sq, e = 4 * m12sq;
+ double A = ( m13sq - c2 ) * w - E3s * E1s;
+ double B = ( E3s * E3s - e * m32 ) * ( E1s * E1s - e * m12 );
+ if ( A * A < B )
+ break;
+ } while ( true );
+ double iM = 0.5 / M;
+ double E2 = ( M2 + m22 - m13sq ) * iM;
+ double E3 = ( M2 + m32 - m12sq ) * iM;
+ double E1 = M - E2 - E3;
+ double p1 = sqrt( E1 * E1 - m12 );
+ double p3 = sqrt( E3 * E3 - m32 );
+ double cost13 = ( 2.0 * E1 * E3 + ( m12 + m32 - m13sq ) ) / ( 2.0 * p1 * p3 );
+
+ double px = p1 * cost13;
+ double v0x = px;
+ double v1x = -px - p3;
+ double py = p1 * sqrt( 1.0 - cost13 * cost13 );
+ double v2x = p3;
+
+ double x, y;
+ usincos( EvtRandom::urandom(), x, y );
+ double c, s;
+ usincos( EvtRandom::urandom(), c, s );
+ double u = EvtRandom::random() * 2, z = u - 1, t = sqrt( 1 - z * z );
+ double Rx = s * y - c * x, Ry = c * y + s * x, ux = u * x, uy = u * y;
+ double R00 = ux * Rx + c, R01 = s - ux * Ry, R10 = uy * Rx - s,
+ R11 = c - uy * Ry, R20 = -t * Rx, R21 = t * Ry;
+ double pyx = R01 * py, pyy = R11 * py, pyz = R21 * py;
+
+ p4[0].set( E1, R00 * v0x + pyx, R10 * v0x + pyy, R20 * v0x + pyz );
+ p4[1].set( E2, R00 * v1x - pyx, R10 * v1x - pyy, R20 * v1x - pyz );
+ p4[2].set( E3, R00 * v2x, R10 * v2x, R20 * v2x );
+
+ return 1.0 + a / m12sq;
+}
- double r = v1 / ( v1 + v2 );
-
- double m13min, m13max;
-
+double EvtGenKine::PhaseSpacePole2( double M, double m1, double m2, double m3,
+ EvtVector4R* p4, const EvtLinSample& g )
+{
+ // static linsample g("b2sllprob_wide.dat");
+ // static linsample g("b2sllprob_amp.dat");
+
+ double m13sqmin = ( m1 + m3 ) * ( m1 + m3 ),
+ m13sqmax = ( M - m2 ) * ( M - m2 );
+ double d13 = m13sqmax - m13sqmin;
+ double M2 = M * M, m32 = m3 * m3, m12 = m1 * m1, m22 = m2 * m2;
+ double c0 = M2 - m32, c1 = m12 - m22, c2 = m32 + m12;
+ double m12sq, m13sq, w;
do {
- m13sq = EvtRandom::Flat( m13sqmin, m13sqmax );
-
- if ( r > EvtRandom::Flat() ) {
- m12sq = EvtRandom::Flat( m12sqmin, m12sqmax );
- } else {
- m12sq = 1.0 /
- ( 1.0 / m12sqmin -
- EvtRandom::Flat() * ( 1.0 / m12sqmin - 1.0 / m12sqmax ) );
- }
+ double z0 = EvtRandom::random(), z1 = EvtRandom::random();
+ m13sq = m13sqmin + z0 * d13;
+ auto t = g( z1 );
+ m12sq = t.first;
+ w = t.second;
+ double E3s = c0 - m12sq, E1s = m12sq + c1;
+ double w = 2 * m12sq, e = 4 * m12sq;
+ double A = ( m13sq - c2 ) * w - E3s * E1s;
+ double B = ( E3s * E3s - e * m32 ) * ( E1s * E1s - e * m12 );
+ if ( A * A < B )
+ break;
+ } while ( true );
+ double iM = 0.5 / M;
+ double E2 = ( M2 + m22 - m13sq ) * iM;
+ double E3 = ( M2 + m32 - m12sq ) * iM;
+ double E1 = M - E2 - E3;
+ double p1 = sqrt( E1 * E1 - m12 );
+ double p3 = sqrt( E3 * E3 - m32 );
+ double cost13 = ( 2.0 * E1 * E3 + ( m12 + m32 - m13sq ) ) / ( 2.0 * p1 * p3 );
+
+ double px = p1 * cost13;
+ double v0x = px;
+ double v1x = -px - p3;
+ double py = p1 * sqrt( 1.0 - cost13 * cost13 );
+ double v2x = p3;
+
+ double x, y;
+ usincos( EvtRandom::urandom(), x, y );
+ double c, s;
+ usincos( EvtRandom::urandom(), c, s );
+ double u = EvtRandom::random() * 2, z = u - 1, t = sqrt( 1 - z * z );
+ double Rx = s * y - c * x, Ry = c * y + s * x, ux = u * x, uy = u * y;
+ double R00 = ux * Rx + c, R01 = s - ux * Ry, R10 = uy * Rx - s,
+ R11 = c - uy * Ry, R20 = -t * Rx, R21 = t * Ry;
+ double pyx = R01 * py, pyy = R11 * py, pyz = R21 * py;
+
+ p4[0].set( E1, R00 * v0x + pyx, R10 * v0x + pyy, R20 * v0x + pyz );
+ p4[1].set( E2, R00 * v1x - pyx, R10 * v1x - pyy, R20 * v1x - pyz );
+ p4[2].set( E3, R00 * v2x, R10 * v2x, R20 * v2x );
+
+ return w;
+}
- //kinematically allowed?
- double E3star = ( M * M - m12sq - m3 * m3 ) / sqrt( 4 * m12sq );
- double E1star = ( m12sq + m1 * m1 - m2 * m2 ) / sqrt( 4 * m12sq );
- double p3star = sqrt( E3star * E3star - m3 * m3 );
- double p1star = sqrt( E1star * E1star - m1 * m1 );
- m13max = ( E3star + E1star ) * ( E3star + E1star ) -
- ( p3star - p1star ) * ( p3star - p1star );
- m13min = ( E3star + E1star ) * ( E3star + E1star ) -
- ( p3star + p1star ) * ( p3star + p1star );
+double EvtGenKine::PhaseSpacePole( double M, double m1, double m2, double m3,
+ double a, EvtVector4R p4[10] )
- } while ( m13sq < m13min || m13sq > m13max );
+// generate kinematics for 3 body decays, pole for the m1,m2 mass.
- double E2 = ( M * M + m2 * m2 - m13sq ) / ( 2.0 * M );
- double E3 = ( M * M + m3 * m3 - m12sq ) / ( 2.0 * M );
+{
+ // return PhaseSpacePole2(M, m1, m2, m3, p4);
+ // return PhaseSpacePole1(M, m1, m2, m3, a, p4);
+ //f1 = 1 (phasespace)
+ //f2 = a*(1/m12sq)^2 = a*(1/(p4[0]+p4[1])^4)
+
+ double m12sqmin = ( m1 + m2 ) * ( m1 + m2 ),
+ m12sqmax = ( M - m3 ) * ( M - m3 );
+ double m13sqmin = ( m1 + m3 ) * ( m1 + m3 ),
+ m13sqmax = ( M - m2 ) * ( M - m2 );
+ double d12 = m12sqmax - m12sqmin, d13 = m13sqmax - m13sqmin;
+ double M2 = M * M, m32 = m3 * m3, m12 = m1 * m1, m22 = m2 * m2;
+ double c0 = M2 - m32, c1 = m12 - m22, c2 = m32 + m12;
+ double a12 = 1.0 / m12sqmin, ab12 = a12 - 1.0 / m12sqmax;
+ double r = d12 / ( d12 + a * ab12 );
+ double m12sq, m13sq;
+ do {
+ double z0 = EvtRandom::random(), z1 = EvtRandom::random(),
+ z2 = EvtRandom::random();
+ m13sq = m13sqmin + z0 * d13;
+ m12sq = ( r > z1 ) ? m12sqmin + z2 * d12 : 1.0 / ( a12 - z2 * ab12 );
+ double E3s = c0 - m12sq, E1s = m12sq + c1;
+ double w = 2 * m12sq, e = 4 * m12sq;
+ double A = ( m13sq - c2 ) * w - E3s * E1s;
+ double B = ( E3s * E3s - e * m32 ) * ( E1s * E1s - e * m12 );
+ if ( A * A < B )
+ break;
+ } while ( true );
+ double iM = 0.5 / M;
+ double E2 = ( M2 + m22 - m13sq ) * iM;
+ double E3 = ( M2 + m32 - m12sq ) * iM;
double E1 = M - E2 - E3;
- double p1mom = sqrt( E1 * E1 - m1 * m1 );
- double p3mom = sqrt( E3 * E3 - m3 * m3 );
- double cost13 = ( 2.0 * E1 * E3 + m1 * m1 + m3 * m3 - m13sq ) /
- ( 2.0 * p1mom * p3mom );
-
- //EvtGenReport(EVTGEN_INFO,"EvtGen") << m13sq << endl;
- //EvtGenReport(EVTGEN_INFO,"EvtGen") << m12sq << endl;
- //EvtGenReport(EVTGEN_INFO,"EvtGen") << E1 << endl;
- //EvtGenReport(EVTGEN_INFO,"EvtGen") << E2 << endl;
- //EvtGenReport(EVTGEN_INFO,"EvtGen") << E3 << endl;
- //EvtGenReport(EVTGEN_INFO,"EvtGen") << p1mom << endl;
- //EvtGenReport(EVTGEN_INFO,"EvtGen") << p3mom << endl;
- //EvtGenReport(EVTGEN_INFO,"EvtGen") << cost13 << endl;
-
- p4[2].set( E3, 0.0, 0.0, p3mom );
- p4[0].set( E1, p1mom * sqrt( 1.0 - cost13 * cost13 ), 0.0, p1mom * cost13 );
- p4[1].set( E2, -p1mom * sqrt( 1.0 - cost13 * cost13 ), 0.0,
- -p1mom * cost13 - p3mom );
-
- //EvtGenReport(EVTGEN_INFO,"EvtGen") << "p4:"<<p4[0]<<p4[1]<<p4[2]<<endl;
-
- double alpha = EvtRandom::Flat( EvtConst::twoPi );
- double beta = acos( EvtRandom::Flat( -1.0, 1.0 ) );
- double gamma = EvtRandom::Flat( EvtConst::twoPi );
-
- p4[0].applyRotateEuler( alpha, beta, gamma );
- p4[1].applyRotateEuler( alpha, beta, gamma );
- p4[2].applyRotateEuler( alpha, beta, gamma );
+ double p1 = sqrt( E1 * E1 - m12 );
+ double p3 = sqrt( E3 * E3 - m32 );
+ double cost13 = ( 2.0 * E1 * E3 + ( m12 + m32 - m13sq ) ) / ( 2.0 * p1 * p3 );
+
+ double px = p1 * cost13;
+ double v0x = px;
+ double v1x = -px - p3;
+ double py = p1 * sqrt( 1.0 - cost13 * cost13 );
+ double v2x = p3;
+
+ double x, y;
+ usincos( EvtRandom::urandom(), x, y );
+ double c, s;
+ usincos( EvtRandom::urandom(), c, s );
+ double u = EvtRandom::random() * 2, z = u - 1, t = sqrt( 1 - z * z );
+ double Rx = s * y - c * x, Ry = c * y + s * x, ux = u * x, uy = u * y;
+ double R00 = ux * Rx + c, R01 = s - ux * Ry, R10 = uy * Rx - s,
+ R11 = c - uy * Ry, R20 = -t * Rx, R21 = t * Ry;
+ double pyx = R01 * py, pyy = R11 * py, pyz = R21 * py;
+
+ p4[0].set( E1, R00 * v0x + pyx, R10 * v0x + pyy, R20 * v0x + pyz );
+ p4[1].set( E2, R00 * v1x - pyx, R10 * v1x - pyy, R20 * v1x - pyz );
+ p4[2].set( E3, R00 * v2x, R10 * v2x, R20 * v2x );
return 1.0 + a / ( m12sq * m12sq );
}
diff --git a/src/EvtGenBase/EvtHepMCEvent.cpp b/src/EvtGenBase/EvtHepMCEvent.cpp
--- a/src/EvtGenBase/EvtHepMCEvent.cpp
+++ b/src/EvtGenBase/EvtHepMCEvent.cpp
@@ -25,7 +25,7 @@
#include "EvtGenBase/EvtPatches.hh"
EvtHepMCEvent::EvtHepMCEvent() :
- _theEvent( 0 ), _translation( 0.0, 0.0, 0.0, 0.0 )
+ _theEvent( nullptr ), _translation( 0.0, 0.0, 0.0, 0.0 )
{
}
@@ -36,10 +36,10 @@
void EvtHepMCEvent::deleteEvent()
{
- if ( _theEvent != 0 ) {
+ if ( _theEvent != nullptr ) {
_theEvent->clear();
delete _theEvent;
- _theEvent = 0;
+ _theEvent = nullptr;
}
}
@@ -56,7 +56,7 @@
// Rather, it uses the base particle to construct the event.
this->deleteEvent();
- if ( baseParticle == 0 ) {
+ if ( baseParticle == nullptr ) {
return;
}
@@ -77,9 +77,9 @@
int frameType )
{
// Create an HepMC GenParticle, with the 4-momenta in the frame given by the frameType integer
- GenParticlePtr genParticle{nullptr};
+ GenParticlePtr genParticle{ nullptr };
- if ( theParticle != 0 ) {
+ if ( theParticle != nullptr ) {
// Set the particle status integer to either stable or decayed
int status( EvtHepMCEvent::STABLE );
int nDaug = theParticle->getNDaug();
@@ -127,7 +127,8 @@
// be the same GenParticle pointer, hence the reason for using it as a 2nd argument
// in this function.
- if ( _theEvent == 0 || inEvtParticle == 0 || inGenParticle == 0 ) {
+ if ( _theEvent == nullptr || inEvtParticle == nullptr ||
+ inGenParticle == nullptr ) {
return;
}
@@ -150,7 +151,7 @@
GenParticlePtr genDaughter =
this->createGenParticle( evtDaughter, EvtHepMCEvent::LAB );
- if ( genDaughter != 0 ) {
+ if ( genDaughter != nullptr ) {
// Add a new GenParticle (outgoing) particle daughter to the vertex
theVertex->add_particle_out( genDaughter );
@@ -164,7 +165,7 @@
} // Have daughter products
- } // hepMCDaughter != 0
+ } // hepMCDaughter != nullptr
} // Loop over daughters
}
@@ -173,13 +174,13 @@
{
FourVector vertexCoord( 0.0, 0.0, 0.0, 0.0 );
- if ( theParticle != 0 && theParticle->getNDaug() != 0 ) {
+ if ( theParticle != nullptr && theParticle->getNDaug() != 0 ) {
// Get the position (t,x,y,z) of the EvtParticle, offset by the translation vector.
// This position will be the point where the particle decays. So we ask
// the position of the (1st) daughter particle.
EvtParticle* daugParticle = theParticle->getDaug( 0 );
- if ( daugParticle != 0 ) {
+ if ( daugParticle != nullptr ) {
EvtVector4R vtxPosition = daugParticle->get4Pos() + _translation;
// Create the HepMC 4 vector of the position (x,y,z,t)
diff --git a/src/EvtGenBase/EvtIdSet.cpp b/src/EvtGenBase/EvtIdSet.cpp
--- a/src/EvtGenBase/EvtIdSet.cpp
+++ b/src/EvtGenBase/EvtIdSet.cpp
@@ -445,9 +445,7 @@
{
int combLen = _numInList + set1.sizeOfSet();
int uniqueLen = 0;
- EvtId* combSet;
-
- combSet = new EvtId[combLen];
+ EvtId* combSet = new EvtId[combLen];
int i;
for ( i = 0; i < combLen; i++ ) {
@@ -468,17 +466,17 @@
combSet[uniqueLen] = _list[i];
uniqueLen += 1;
}
+ }
- delete _list;
- _list = new EvtId[uniqueLen];
-
- _numInList = uniqueLen;
- for ( i = 0; i < _numInList; i++ ) {
- _list[i] = combSet[i];
- }
+ delete[] _list;
+ _list = new EvtId[uniqueLen];
- delete combSet;
+ _numInList = uniqueLen;
+ for ( i = 0; i < _numInList; i++ ) {
+ _list[i] = combSet[i];
}
+
+ delete[] combSet;
}
int EvtIdSet::sizeOfSet() const
diff --git a/src/EvtGenBase/EvtLinSample.cpp b/src/EvtGenBase/EvtLinSample.cpp
new file mode 100644
--- /dev/null
+++ b/src/EvtGenBase/EvtLinSample.cpp
@@ -0,0 +1,58 @@
+#include "EvtGenBase/EvtLinSample.hh"
+
+#include <algorithm>
+#include <cmath>
+#include <fstream>
+#include <iostream>
+
+EvtLinSample::EvtLinSample( const char* fname )
+{
+ std::ifstream IN( fname );
+ float x, y;
+ while ( IN >> x >> y ) {
+ v.push_back( { x, y } );
+ }
+ std::cout << "Point read -- " << v.size() << std::endl;
+ I.push_back( 0 );
+ for ( unsigned i = 0; i < v.size() - 1; i++ ) {
+ I.push_back( ( v[i + 1].y + v[i + 0].y ) * ( v[i + 1].x - v[i + 0].x ) +
+ I.back() );
+ }
+ double norm = 1 / I.back();
+ for ( unsigned i = 0; i < v.size(); i++ )
+ I[i] *= norm;
+}
+
+void EvtLinSample::init( const std::vector<EvtPointf>& _v )
+{
+ v = _v;
+ std::cout << "Point provided -- " << v.size() << std::endl;
+ I.push_back( 0 );
+ for ( unsigned i = 0; i < v.size() - 1; i++ ) {
+ I.push_back( ( v[i + 1].y + v[i + 0].y ) * ( v[i + 1].x - v[i + 0].x ) +
+ I.back() );
+ }
+ double norm = 1 / I.back();
+ for ( unsigned i = 0; i < v.size(); i++ )
+ I[i] *= norm;
+}
+
+std::pair<double, double> EvtLinSample::operator()( double r ) const
+{
+ int j = upper_bound( I.begin(), I.end(), r ) - I.begin();
+ double dI = I[j] - I[j - 1];
+ r = ( r - I[j - 1] ) / dI;
+ double f0 = v[j - 1].y, f1 = v[j].y, x0 = v[j - 1].x, x1 = v[j].x,
+ df = f1 - f0, dx = x1 - x0, z;
+ if ( fabs( df ) > f0 * 1e-3 ) {
+ z = ( f1 * x0 - x1 * f0 + dx * sqrt( df * ( f0 + f1 ) * r + f0 * f0 ) ) /
+ df;
+ } else {
+ if ( f0 > f1 ) {
+ z = x0 + ( r * dx ) * ( f1 - r * df ) / f0;
+ } else {
+ z = x1 - ( r * dx ) * ( f0 + r * df ) / f1;
+ }
+ }
+ return std::make_pair( z, f0 + ( df / dx ) * ( z - x0 ) );
+}
diff --git a/src/EvtGenBase/EvtMHelAmp.cpp b/src/EvtGenBase/EvtMHelAmp.cpp
--- a/src/EvtGenBase/EvtMHelAmp.cpp
+++ b/src/EvtGenBase/EvtMHelAmp.cpp
@@ -34,7 +34,7 @@
{
_id = id;
_twospin = EvtSpinType::getSpin2( EvtPDL::getSpinType( id ) );
- _parent = NULL;
+ _parent = nullptr;
_lineshape = lineshape;
_elem = elem;
@@ -82,7 +82,7 @@
EvtVector4R d = _children[0]->get4vector( product );
double phi, theta;
- if ( _parent == NULL ) {
+ if ( _parent == nullptr ) {
// This means that we're calculating the first level and we need to just
// calculate the polar and azymuthal angles daughters in rest frame of
// this (root) particle (this is automatic).
@@ -97,7 +97,7 @@
// See if we have a grandparent - if no then the z-axis is defined by
// the z-axis of the root particle
- EvtVector4R g = _parent->getparent() == NULL
+ EvtVector4R g = _parent->getparent() == nullptr
? EvtVector4R( 0.0, 0.0, 0.0, 1.0 )
: _parent->getparent()->get4vector( product );
diff --git a/src/EvtGenBase/EvtMTRandomEngine.cpp b/src/EvtGenBase/EvtMTRandomEngine.cpp
--- a/src/EvtGenBase/EvtMTRandomEngine.cpp
+++ b/src/EvtGenBase/EvtMTRandomEngine.cpp
@@ -25,8 +25,7 @@
#include <iostream>
-EvtMTRandomEngine::EvtMTRandomEngine( unsigned int seed ) :
- engine_( seed ), distribution_( URDist( 0.0, 1.0 ) )
+EvtMTRandomEngine::EvtMTRandomEngine( unsigned int seed ) : engine_( seed )
{
EvtGenReport( EVTGEN_INFO, "EvtMTRandomEngine" )
<< "Mersenne-Twister random number generator with seed = " << seed
@@ -35,5 +34,11 @@
double EvtMTRandomEngine::random()
{
- return distribution_( engine_ );
+ return (long)( engine_() >> 1 ) * ( 1.0 / ( 1ul << 63 ) );
+ // return distribution_( engine_ );
+}
+
+unsigned long EvtMTRandomEngine::urandom()
+{
+ return engine_();
}
diff --git a/src/EvtGenBase/EvtMTree.cpp b/src/EvtGenBase/EvtMTree.cpp
--- a/src/EvtGenBase/EvtMTree.cpp
+++ b/src/EvtGenBase/EvtMTree.cpp
@@ -86,8 +86,8 @@
const vector<EvtComplex>& amps,
const vector<EvtMNode*>& children )
{
- EvtMRes* resonance = NULL;
- EvtMLineShape* lineshape = NULL;
+ EvtMRes* resonance = nullptr;
+ EvtMLineShape* lineshape = nullptr;
if ( ls == "BREITWIGNER" ) {
lineshape = new EvtMBreitWigner( id, lsarg );
@@ -219,7 +219,7 @@
while ( amp_iter != amp_end ) {
const char* nptr;
- char* endptr = NULL;
+ char* endptr = nullptr;
double amp = 0.0, phase = 0.0;
nptr = ( *amp_iter ).c_str();
@@ -403,7 +403,6 @@
ret = true;
return ret;
-
}
void EvtMTree::addtree( const string& str )
diff --git a/src/EvtGenBase/EvtModel.cpp b/src/EvtGenBase/EvtModel.cpp
--- a/src/EvtGenBase/EvtModel.cpp
+++ b/src/EvtGenBase/EvtModel.cpp
@@ -38,7 +38,7 @@
#include <string>
using std::fstream;
-EvtModel* EvtModel::_instance = 0;
+EvtModel* EvtModel::_instance = nullptr;
EvtModel::EvtModel()
{
@@ -46,15 +46,15 @@
EvtDecayBase* EvtModel::getFcn( std::string model_name )
{
- EvtDecayBase* model = 0;
+ EvtDecayBase* model = nullptr;
if ( _modelNameHash.find( model_name ) != _modelNameHash.end() ) {
model = _modelNameHash[model_name];
}
- if ( model == 0 ) {
+ if ( model == nullptr ) {
EvtGenReport( EVTGEN_ERROR, "EvtGen" )
<< "Did not find the right model:" << model_name.c_str() << "\n";
- return 0;
+ return nullptr;
}
return model->clone();
@@ -91,12 +91,12 @@
void EvtModel::storeCommand( std::string cmd, std::string cnfgstr )
{
- EvtDecayBase* model = 0;
+ EvtDecayBase* model = nullptr;
if ( _commandNameHash.find( cmd ) != _commandNameHash.end() ) {
model = _commandNameHash[cmd];
}
- assert( model != 0 );
+ assert( model != nullptr );
model->command( cnfgstr );
}
diff --git a/src/EvtGenBase/EvtMultiChannelParser.cpp b/src/EvtGenBase/EvtMultiChannelParser.cpp
--- a/src/EvtGenBase/EvtMultiChannelParser.cpp
+++ b/src/EvtGenBase/EvtMultiChannelParser.cpp
@@ -121,7 +121,7 @@
void EvtMultiChannelParser::parse( const std::vector<std::string>& v )
{
// place holder for strtod
- char** tc = 0;
+ char** tc = nullptr;
// Get PDF maximum or number of points to
// use in the scan.
@@ -200,7 +200,7 @@
EvtComplex& c, int& format )
{
// place holder for strtod
- char** tc = 0;
+ char** tc = nullptr;
std::string coefString = v[i++];
assert( coefString == std::string( "COEFFICIENT" ) );
@@ -233,7 +233,7 @@
const std::vector<std::string>& v )
{
// place holder for strtod
- char** tc = 0;
+ char** tc = nullptr;
double value = 0;
if ( v[i] == std::string( "COEFFICIENT" ) ) {
diff --git a/src/EvtGenBase/EvtNonresonantAmp.cpp b/src/EvtGenBase/EvtNonresonantAmp.cpp
--- a/src/EvtGenBase/EvtNonresonantAmp.cpp
+++ b/src/EvtGenBase/EvtNonresonantAmp.cpp
@@ -39,7 +39,7 @@
EvtCyclic3::Pair pair2, double par2,
EvtSpinType::spintype spin ) :
EvtAmplitude<EvtDalitzPoint>(),
- _dalitzSpace{dp},
+ _dalitzSpace{ dp },
_type( type ),
_pair1( pair1 ),
_pair2( pair2 ),
diff --git a/src/EvtGenBase/EvtParser.cpp b/src/EvtGenBase/EvtParser.cpp
--- a/src/EvtGenBase/EvtParser.cpp
+++ b/src/EvtGenBase/EvtParser.cpp
@@ -34,8 +34,8 @@
{
_ntoken = 0;
_lengthoftokenlist = 0;
- _tokenlist = 0;
- _linelist = 0;
+ _tokenlist = nullptr;
+ _linelist = nullptr;
}
EvtParser::~EvtParser()
diff --git a/src/EvtGenBase/EvtParticle.cpp b/src/EvtGenBase/EvtParticle.cpp
--- a/src/EvtGenBase/EvtParticle.cpp
+++ b/src/EvtGenBase/EvtParticle.cpp
@@ -60,7 +60,7 @@
EvtParticle::EvtParticle()
{
_ndaug = 0;
- _parent = 0;
+ _parent = nullptr;
_channel = -10;
_t = 0.0;
_genlifetime = 1;
@@ -68,7 +68,7 @@
_isInit = false;
_validP4 = false;
_isDecayed = false;
- _decayProb = 0;
+ _decayProb = nullptr;
_intAttributes.clear();
_dblAttributes.clear();
// _mix=false;
@@ -101,7 +101,9 @@
void EvtParticle::setLifetime()
{
if ( _genlifetime ) {
- _t = -log( EvtRandom::Flat() ) * EvtPDL::getctau( getId() );
+ _t = EvtPDL::getctau( getId() );
+ if ( _t > 0 )
+ _t *= -log( EvtRandom::Flat() );
}
}
@@ -248,7 +250,7 @@
// carefull - the parent mass might be fixed in stone..
EvtParticle* par = p->getParent();
double parMass = -1.;
- if ( par != 0 ) {
+ if ( par != nullptr ) {
if ( par->hasValidP4() )
parMass = par->mass();
for ( size_t i = 0; i < par->getNDaug(); i++ ) {
@@ -271,8 +273,8 @@
}
}
- EvtId* dauId = 0;
- double* dauMasses = 0;
+ EvtId* dauId = nullptr;
+ double* dauMasses = nullptr;
if ( _ndaug > 0 ) {
dauId = new EvtId[_ndaug];
dauMasses = new double[_ndaug];
@@ -281,8 +283,8 @@
dauMasses[j] = p->getDaug( j )->mass();
}
}
- EvtId* parId = 0;
- EvtId* othDauId = 0;
+ EvtId* parId = nullptr;
+ EvtId* othDauId = nullptr;
EvtParticle* tempPar = p->getParent();
if ( tempPar ) {
parId = new EvtId( tempPar->getId() );
@@ -391,8 +393,8 @@
}
int j;
- EvtId* dauId = 0;
- double* dauMasses = 0;
+ EvtId* dauId = nullptr;
+ double* dauMasses = nullptr;
int nDaugT = p->getNDaug();
if ( nDaugT > 0 ) {
dauId = new EvtId[nDaugT];
@@ -403,8 +405,8 @@
}
}
- EvtId* parId = 0;
- EvtId* othDauId = 0;
+ EvtId* parId = nullptr;
+ EvtId* othDauId = nullptr;
EvtParticle* tempPar = p->getParent();
if ( tempPar ) {
parId = new EvtId( tempPar->getId() );
@@ -496,7 +498,7 @@
decayer = EvtDecayTable::getInstance()->getDecayFunc( p );
}
//now we have accepted a set of masses - time
- if ( decayer != 0 ) {
+ if ( decayer != nullptr ) {
decayer->makeDecay( p );
} else {
p->_rhoBackward.setDiag( p->getSpinStates() );
@@ -564,7 +566,7 @@
}
int nDaug = p->getNDaug();
- double* dMasses = 0;
+ double* dMasses = nullptr;
int i;
if ( nDaug > 0 ) {
@@ -761,7 +763,7 @@
temp = this->getP4();
ptemp = this;
- while ( ptemp->getParent() != 0 ) {
+ while ( ptemp->getParent() != nullptr ) {
ptemp = ptemp->getParent();
mom = ptemp->getP4();
temp = boostTo( temp, mom );
@@ -777,7 +779,7 @@
temp = this->_pBeforeFSR;
ptemp = this;
- while ( ptemp->getParent() != 0 ) {
+ while ( ptemp->getParent() != nullptr ) {
ptemp = ptemp->getParent();
mom = ptemp->getP4();
temp = boostTo( temp, mom );
@@ -798,12 +800,12 @@
temp.set( 0.0, 0.0, 0.0, 0.0 );
ptemp = getParent();
- if ( ptemp == 0 )
+ if ( ptemp == nullptr )
return temp;
temp = ( ptemp->_t / ptemp->mass() ) * ( ptemp->getP4() );
- while ( ptemp->getParent() != 0 ) {
+ while ( ptemp->getParent() != nullptr ) {
ptemp = ptemp->getParent();
mom = ptemp->getP4();
temp = boostTo( temp, mom );
@@ -826,8 +828,8 @@
do {
bpart = current->_parent;
- if ( bpart == 0 )
- return 0;
+ if ( bpart == nullptr )
+ return nullptr;
i = 0;
while ( bpart->_daug[i] != current ) {
i++;
@@ -835,7 +837,7 @@
if ( bpart == rootOfTree ) {
if ( i + 1 == bpart->_ndaug )
- return 0;
+ return nullptr;
}
i++;
@@ -1270,7 +1272,7 @@
void EvtParticle::setDecayProb( double prob )
{
- if ( _decayProb == 0 )
+ if ( _decayProb == nullptr )
_decayProb = new double;
*_decayProb = prob;
}
diff --git a/src/EvtGenBase/EvtParticleDecay.cpp b/src/EvtGenBase/EvtParticleDecay.cpp
--- a/src/EvtGenBase/EvtParticleDecay.cpp
+++ b/src/EvtGenBase/EvtParticleDecay.cpp
@@ -36,7 +36,7 @@
using std::fstream;
void EvtParticleDecay::printSummary()
{
- if ( _decay != 0 )
+ if ( _decay != nullptr )
_decay->printSummary();
}
diff --git a/src/EvtGenBase/EvtParticleDecayList.cpp b/src/EvtGenBase/EvtParticleDecayList.cpp
--- a/src/EvtGenBase/EvtParticleDecayList.cpp
+++ b/src/EvtGenBase/EvtParticleDecayList.cpp
@@ -79,7 +79,7 @@
delete _decaylist[i];
}
- if ( _decaylist != 0 )
+ if ( _decaylist != nullptr )
delete[] _decaylist;
}
@@ -99,17 +99,17 @@
}
delete[] _decaylist;
- _decaylist = 0;
+ _decaylist = nullptr;
_nmode = 0;
_rawbrfrsum = 0.0;
}
EvtDecayBase* EvtParticleDecayList::getDecayModel( int imode )
{
- EvtDecayBase* theModel( 0 );
+ EvtDecayBase* theModel( nullptr );
if ( imode >= 0 && imode < _nmode ) {
EvtParticleDecay* theDecay = _decaylist[imode];
- if ( theDecay != 0 ) {
+ if ( theDecay != nullptr ) {
theModel = theDecay->getDecayModel();
}
}
@@ -128,10 +128,10 @@
}
if ( getNMode() == 0 ) {
- return 0;
+ return nullptr;
}
if ( getRawBrfrSum() < 0.00000001 ) {
- return 0;
+ return nullptr;
}
if ( getNMode() == 1 ) {
@@ -208,7 +208,7 @@
<< " with mass:" << p->mass() << " will throw event away! " << endl;
EvtStatus::setRejectFlag();
- return 0;
+ return nullptr;
}
void EvtParticleDecayList::setNMode( int nmode )
@@ -220,7 +220,7 @@
<< "Error _nmode not equal to zero!!!" << endl;
::abort();
}
- if ( _decaylist != 0 ) {
+ if ( _decaylist != nullptr ) {
delete[] _decaylist;
}
_decaylist = _decaylist_new;
@@ -304,7 +304,7 @@
delete[] _decaylist;
}
- if ( ( _nmode == 0 ) && ( _decaylist != 0 ) )
+ if ( ( _nmode == 0 ) && ( _decaylist != nullptr ) )
delete[] _decaylist;
_nmode++;
diff --git a/src/EvtGenBase/EvtParticleFactory.cpp b/src/EvtGenBase/EvtParticleFactory.cpp
--- a/src/EvtGenBase/EvtParticleFactory.cpp
+++ b/src/EvtGenBase/EvtParticleFactory.cpp
@@ -91,7 +91,7 @@
::abort();
- return 0;
+ return nullptr;
}
EvtParticle* EvtParticleFactory::particleFactory( EvtId id, EvtVector4R p4,
@@ -195,7 +195,7 @@
::abort();
- return 0;
+ return nullptr;
}
EvtParticle* EvtParticleFactory::particleFactory( EvtId id, EvtVector4R p4 )
diff --git a/src/EvtGenBase/EvtPto3PAmp.cpp b/src/EvtGenBase/EvtPto3PAmp.cpp
--- a/src/EvtGenBase/EvtPto3PAmp.cpp
+++ b/src/EvtGenBase/EvtPto3PAmp.cpp
@@ -59,7 +59,7 @@
_pairRes( other._pairRes ),
_spin( other._spin ),
_typeN( other._typeN ),
- _prop( ( other._prop ) ? (EvtPropagator*)other._prop->clone() : 0 ),
+ _prop( ( other._prop ) ? (EvtPropagator*)other._prop->clone() : nullptr ),
_g0( other._g0 ),
_min( other._min ),
_max( other._max ),
diff --git a/src/EvtGenBase/EvtPto3PAmpFactory.cpp b/src/EvtGenBase/EvtPto3PAmpFactory.cpp
--- a/src/EvtGenBase/EvtPto3PAmpFactory.cpp
+++ b/src/EvtGenBase/EvtPto3PAmpFactory.cpp
@@ -79,7 +79,7 @@
} else if ( vv[0] == "NONRES_EXP" ) {
typeNRes = EvtPto3PAmp::NONRES_EXP;
pairRes = strToPair( vv[1].c_str() );
- alpha = strtod( vv[2].c_str(), 0 );
+ alpha = strtod( vv[2].c_str(), nullptr );
} else
assert( 0 );
pdf = std::make_unique<EvtDalitzFlatPdf>( _dp );
@@ -88,11 +88,11 @@
} else if ( vv[0] == "LASS" || vv[0] == "LASS_ELASTIC" ||
vv[0] == "LASS_RESONANT" ) {
pairRes = strToPair( vv[1].c_str() );
- double m0 = strtod( vv[2].c_str(), 0 );
- double g0 = strtod( vv[3].c_str(), 0 );
- double a = strtod( vv[4].c_str(), 0 );
- double r = strtod( vv[5].c_str(), 0 );
- double cutoff = strtod( vv[6].c_str(), 0 );
+ double m0 = strtod( vv[2].c_str(), nullptr );
+ double g0 = strtod( vv[3].c_str(), nullptr );
+ double a = strtod( vv[4].c_str(), nullptr );
+ double r = strtod( vv[5].c_str(), nullptr );
+ double cutoff = strtod( vv[6].c_str(), nullptr );
pdf = std::make_unique<EvtDalitzResPdf>( _dp, m0, g0, pairRes );
amp = std::make_unique<EvtLASSAmp>( &_dp, pairRes, m0, g0, a, r, cutoff,
vv[0] );
@@ -146,8 +146,8 @@
}
}
- mR = strtod( vv[3].c_str(), 0 );
- gR = strtod( vv[4].c_str(), 0 );
+ mR = strtod( vv[3].c_str(), nullptr );
+ gR = strtod( vv[4].c_str(), nullptr );
i = 4;
} else {
// For a valid particle get spin, mass and width
@@ -165,8 +165,8 @@
printf( "Setting m(%s)=%s g(%s)=%s\n", vv[2].c_str(),
vv[3].c_str(), vv[2].c_str(), vv[4].c_str() );
- mR = strtod( vv[3].c_str(), 0 );
- gR = strtod( vv[4].c_str(), 0 );
+ mR = strtod( vv[3].c_str(), nullptr );
+ gR = strtod( vv[4].c_str(), nullptr );
i = 4;
}
}
@@ -212,9 +212,9 @@
double m1a = _dp.m( first( pairRes ) );
double m1b = _dp.m( second( pairRes ) );
// 2nd channel
- double g2 = strtod( vv[++i].c_str(), 0 );
- double m2a = strtod( vv[++i].c_str(), 0 );
- double m2b = strtod( vv[++i].c_str(), 0 );
+ double g2 = strtod( vv[++i].c_str(), nullptr );
+ double m2a = strtod( vv[++i].c_str(), nullptr );
+ double m2b = strtod( vv[++i].c_str(), nullptr );
EvtPropFlatte prop( mR, gR, m1a, m1b, g2, m2a, m2b );
partAmp = std::make_unique<EvtPto3PAmp>( _dp, pairAng, pairRes, spinR,
prop, EvtPto3PAmp::FLATTE );
@@ -227,7 +227,7 @@
if ( vv[i + 1] == "DVFF" ) {
i++;
if ( vv[++i] == "BLATTWEISSKOPF" ) {
- double R = strtod( vv[++i].c_str(), 0 );
+ double R = strtod( vv[++i].c_str(), nullptr );
partAmp->set_fd( R );
} else
assert( 0 );
@@ -240,7 +240,7 @@
if ( vv[++i] == "BLATTWEISSKOPF" ) {
if ( _verbose )
printf( "BVFF=%s\n", vv[i].c_str() );
- double R = strtod( vv[++i].c_str(), 0 );
+ double R = strtod( vv[++i].c_str(), nullptr );
partAmp->set_fb( R );
} else
assert( 0 );
@@ -254,7 +254,7 @@
i++;
if ( vv[i + 1] == "MIN" ) {
i++;
- double min = strtod( vv[++i].c_str(), 0 );
+ double min = strtod( vv[++i].c_str(), nullptr );
if ( _verbose )
std::cout << "CUTOFF MIN = " << min << " " << minwidths
<< std::endl;
@@ -263,7 +263,7 @@
partAmp->setmin( min );
} else if ( vv[i + 1] == "MAX" ) {
i++;
- double max = strtod( vv[++i].c_str(), 0 );
+ double max = strtod( vv[++i].c_str(), nullptr );
if ( _verbose )
std::cout << "CUTOFF MAX = " << max << " " << minwidths
<< std::endl;
@@ -281,7 +281,7 @@
i++;
if ( vv[i + 1] == "MIN" ) {
i++;
- double min = strtod( vv[++i].c_str(), 0 );
+ double min = strtod( vv[++i].c_str(), nullptr );
if ( _verbose )
std::cout << "CUTOFF MIN = " << min << std::endl;
//ensure against cutting off too close to the resonance
@@ -289,7 +289,7 @@
partAmp->setmin( min );
} else if ( vv[i + 1] == "MAX" ) {
i++;
- double max = strtod( vv[++i].c_str(), 0 );
+ double max = strtod( vv[++i].c_str(), nullptr );
if ( _verbose )
std::cout << "CUTOFF MAX = " << max << std::endl;
//ensure against cutting off too close to the resonance
diff --git a/src/EvtGenBase/EvtRadCorr.cpp b/src/EvtGenBase/EvtRadCorr.cpp
--- a/src/EvtGenBase/EvtRadCorr.cpp
+++ b/src/EvtGenBase/EvtRadCorr.cpp
@@ -28,13 +28,13 @@
#include <stdlib.h>
using std::endl;
-EvtAbsRadCorr* EvtRadCorr::_fsrEngine = 0;
+EvtAbsRadCorr* EvtRadCorr::_fsrEngine = nullptr;
bool EvtRadCorr::_alwaysRadCorr = false;
bool EvtRadCorr::_neverRadCorr = false;
EvtRadCorr::EvtRadCorr()
{
- _fsrEngine = 0;
+ _fsrEngine = nullptr;
_alwaysRadCorr = false;
_neverRadCorr = false;
}
@@ -43,7 +43,7 @@
{
if ( _fsrEngine )
delete _fsrEngine;
- _fsrEngine = 0;
+ _fsrEngine = nullptr;
}
void EvtRadCorr::setRadCorrEngine( EvtAbsRadCorr* fsrEngine )
@@ -53,7 +53,7 @@
void EvtRadCorr::doRadCorr( EvtParticle* p )
{
- if ( _fsrEngine == 0 ) {
+ if ( _fsrEngine == nullptr ) {
EvtGenReport( EVTGEN_ERROR, "EvtGen" )
<< "No RadCorr model available in "
<< "EvtRadCorr::doRadCorr()." << endl;
diff --git a/src/EvtGenBase/EvtRandom.cpp b/src/EvtGenBase/EvtRandom.cpp
--- a/src/EvtGenBase/EvtRandom.cpp
+++ b/src/EvtGenBase/EvtRandom.cpp
@@ -32,7 +32,7 @@
using std::endl;
-EvtRandomEngine* EvtRandom::_randomEngine = 0;
+EvtRandomEngine* EvtRandom::_randomEngine = nullptr;
void EvtRandom::setRandomEngine( EvtRandomEngine* randomEngine )
{
@@ -41,7 +41,7 @@
double EvtRandom::random()
{
- if ( _randomEngine == 0 ) {
+ if ( _randomEngine == nullptr ) {
EvtGenReport( EVTGEN_ERROR, "EvtGen" )
<< "No random engine available in "
<< "EvtRandom::random()." << endl;
@@ -51,6 +51,11 @@
return _randomEngine->random();
}
+unsigned long EvtRandom::urandom()
+{
+ return _randomEngine->urandom();
+}
+
// Random number routine to generate numbers between
// min and max. By djl on July 27, 1995.
double EvtRandom::Flat( double min, double max )
diff --git a/src/EvtGenBase/EvtReport.cpp b/src/EvtGenBase/EvtReport.cpp
--- a/src/EvtGenBase/EvtReport.cpp
+++ b/src/EvtGenBase/EvtReport.cpp
@@ -34,7 +34,7 @@
{
int printNoFacility = 1;
- if ( ( facility == 0 ) && ( printNoFacility == 1 ) ) {
+ if ( ( facility == nullptr ) && ( printNoFacility == 1 ) ) {
cout << "There is no `facility' implemented in `report'" << endl;
printNoFacility = 0;
}
diff --git a/src/EvtGenBase/EvtSemiLeptonicBaryonAmp.cpp b/src/EvtGenBase/EvtSemiLeptonicBaryonAmp.cpp
--- a/src/EvtGenBase/EvtSemiLeptonicBaryonAmp.cpp
+++ b/src/EvtGenBase/EvtSemiLeptonicBaryonAmp.cpp
@@ -439,7 +439,7 @@
FormFactors->getdiracff( par_num, bar_num, q2, baryonmass, &f1, &f2,
&f3, &g1, &g2, &g3 );
- const double form_fact[6] = {f1, f2, f3, g1, g2, g3};
+ const double form_fact[6] = { f1, f2, f3, g1, g2, g3 };
EvtVector4C b11, b12, b21, b22, l1, l2;
@@ -548,7 +548,7 @@
FormFactors->getraritaff( par_num, bar_num, q2, baryonmass, &f1, &f2,
&f3, &f4, &g1, &g2, &g3, &g4 );
- const double form_fact[8] = {f1, f2, f3, f4, g1, g2, g3, g4};
+ const double form_fact[8] = { f1, f2, f3, f4, g1, g2, g3, g4 };
EvtId l_num = parent->getDaug( 1 )->getId();
diff --git a/src/EvtGenBase/EvtSemiLeptonicVectorAmp.cpp b/src/EvtGenBase/EvtSemiLeptonicVectorAmp.cpp
--- a/src/EvtGenBase/EvtSemiLeptonicVectorAmp.cpp
+++ b/src/EvtGenBase/EvtSemiLeptonicVectorAmp.cpp
@@ -33,6 +33,15 @@
#include "EvtGenBase/EvtVector4C.hh"
using std::endl;
+double gmn( int m, int n )
+{
+ if ( m != n )
+ return 0;
+ if ( m > 0 )
+ return -1;
+ return 1;
+}
+
void EvtSemiLeptonicVectorAmp::CalcAmp( EvtParticle* parent, EvtAmp& amp,
EvtSemiLeptonicFF* FormFactors )
{
@@ -118,9 +127,40 @@
}
}
- EvtVector4C et0 = tds.cont1( parent->getDaug( 0 )->epsParent( 0 ).conj() );
- EvtVector4C et1 = tds.cont1( parent->getDaug( 0 )->epsParent( 1 ).conj() );
- EvtVector4C et2 = tds.cont1( parent->getDaug( 0 )->epsParent( 2 ).conj() );
+ EvtParticle* D = parent->getDaug( 0 );
+ EvtVector4C t0 = D->epsParent( 0 ), t1 = D->epsParent( 1 ),
+ t2 = D->epsParent( 2 );
+ /*
+ EvtVector4R k = D->getP4();
+ std::cout<<t0<<endl;
+ std::cout<<t1<<endl;
+ std::cout<<t2<<endl;
+
+ std::cout<<t0*t0<<endl;
+ std::cout<<t1*t1<<endl;
+ std::cout<<t2*t2<<endl;
+ std::cout<<t0*t1<<endl;
+ std::cout<<t0*t2<<endl;
+ std::cout<<t1*t2<<endl;
+
+ for(int i=0;i<4;i++){
+ for(int j=0;j<4;j++){
+ std::cout<<t0.get(i)*t0.get(j) + t1.get(i)*t1.get(j) + t2.get(i)*t2.get(j)<<" ";
+ }
+ std::cout<<endl;
+ }
+
+ for(int i=0;i<4;i++){
+ for(int j=0;j<4;j++){
+ std::cout<<-gmn(i,j)+k.get(i)*k.get(j)/k.mass2()<<" ";
+ }
+ std::cout<<endl;
+ }
+ */
+
+ EvtVector4C et0 = tds.cont1( t0.conj() );
+ EvtVector4C et1 = tds.cont1( t1.conj() );
+ EvtVector4C et2 = tds.cont1( t2.conj() );
amp.vertex( 0, 0, l1.cont( et0 ) );
amp.vertex( 0, 1, l2.cont( et0 ) );
diff --git a/src/EvtGenBase/EvtSimpleRandomEngine.cpp b/src/EvtGenBase/EvtSimpleRandomEngine.cpp
--- a/src/EvtGenBase/EvtSimpleRandomEngine.cpp
+++ b/src/EvtGenBase/EvtSimpleRandomEngine.cpp
@@ -33,3 +33,11 @@
return ( temp + 1.0 ) / 32769.0;
}
+
+unsigned long EvtSimpleRandomEngine::urandom()
+{
+ _next = _next * 1103515245 + 123345;
+ unsigned temp = (unsigned)( _next / 65536 ) % 32768;
+
+ return (long)temp << 49;
+}
diff --git a/src/EvtGenBase/EvtSpinDensity.cpp b/src/EvtGenBase/EvtSpinDensity.cpp
--- a/src/EvtGenBase/EvtSpinDensity.cpp
+++ b/src/EvtGenBase/EvtSpinDensity.cpp
@@ -24,7 +24,7 @@
#include "EvtGenBase/EvtPatches.hh"
#include "EvtGenBase/EvtReport.hh"
-#include <assert.h>
+#include <cstring>
#include <iostream>
#include <math.h>
#include <stdlib.h>
@@ -34,119 +34,73 @@
EvtSpinDensity::EvtSpinDensity( const EvtSpinDensity& density )
{
dim = 0;
- rho = 0;
-
- int i, j;
+ rho = nullptr;
setDim( density.dim );
-
- for ( i = 0; i < dim; i++ ) {
- for ( j = 0; j < dim; j++ ) {
- rho[i][j] = density.rho[i][j];
- }
- }
+ // memmove(rho,density.rho,dim*dim*sizeof(EvtComplex));
+ for ( int i = 0; i < dim * dim; i++ )
+ rho[i] = density.rho[i];
}
EvtSpinDensity& EvtSpinDensity::operator=( const EvtSpinDensity& density )
{
- int i, j;
setDim( density.dim );
-
- for ( i = 0; i < dim; i++ ) {
- for ( j = 0; j < dim; j++ ) {
- rho[i][j] = density.rho[i][j];
- }
- }
-
+ // memmove(rho,density.rho,dim*dim*sizeof(EvtComplex));
+ for ( int i = 0; i < dim * dim; i++ )
+ rho[i] = density.rho[i];
return *this;
}
EvtSpinDensity::~EvtSpinDensity()
{
- if ( dim != 0 ) {
- int i;
- for ( i = 0; i < dim; i++ )
- delete[] rho[i];
- }
-
- delete[] rho;
+ if ( dim != 0 )
+ delete[] rho;
}
-EvtSpinDensity::EvtSpinDensity()
-{
- dim = 0;
- rho = 0;
-}
+// EvtSpinDensity::EvtSpinDensity()
+// {
+// dim = 0;
+// rho = 0;
+// }
void EvtSpinDensity::setDim( int n )
{
if ( dim == n )
return;
if ( dim != 0 ) {
- int i;
- for ( i = 0; i < dim; i++ )
- delete[] rho[i];
delete[] rho;
- rho = 0;
+ rho = nullptr;
dim = 0;
}
if ( n == 0 )
return;
dim = n;
- rho = new EvtComplexPtr[n];
- int i;
- for ( i = 0; i < n; i++ ) {
- rho[i] = new EvtComplex[n];
- }
-}
-
-int EvtSpinDensity::getDim() const
-{
- return dim;
-}
-
-void EvtSpinDensity::set( int i, int j, const EvtComplex& rhoij )
-{
- assert( i < dim && j < dim );
- rho[i][j] = rhoij;
-}
-
-const EvtComplex& EvtSpinDensity::get( int i, int j ) const
-{
- assert( i < dim && j < dim );
- return rho[i][j];
+ rho = new EvtComplex[n * n];
}
void EvtSpinDensity::setDiag( int n )
{
setDim( n );
- int i, j;
-
- for ( i = 0; i < n; i++ ) {
- for ( j = 0; j < n; j++ ) {
- rho[i][j] = EvtComplex( 0.0 );
- }
- rho[i][i] = EvtComplex( 1.0 );
- }
+ for ( int i = 0; i < n * n; i++ )
+ rho[i] = 0;
+ for ( int i = 0; i < n; i++ )
+ rho[i * dim + i] = 1.0;
}
-double EvtSpinDensity::normalizedProb( const EvtSpinDensity& d )
+double EvtSpinDensity::normalizedProb( const EvtSpinDensity& d ) const
{
- int i, j;
- EvtComplex prob( 0.0, 0.0 );
- double norm = 0.0;
-
if ( dim != d.dim ) {
EvtGenReport( EVTGEN_ERROR, "EvtGen" )
<< "Not matching dimensions in NormalizedProb" << endl;
::abort();
}
- for ( i = 0; i < dim; i++ ) {
- norm += real( rho[i][i] );
- for ( j = 0; j < dim; j++ ) {
- prob += rho[i][j] * d.rho[i][j];
- }
- }
+ double norm = 0.0;
+ for ( int i = 0; i < dim; i++ )
+ norm += real( rho[i * dim + i] );
+
+ EvtComplex prob;
+ for ( int i = 0, imax = dim * dim; i < imax; i++ )
+ prob += rho[i] * d.rho[i];
if ( imag( prob ) > 0.00000001 * real( prob ) ) {
EvtGenReport( EVTGEN_ERROR, "EvtGen" )
@@ -172,13 +126,13 @@
double trace( 0.0 );
for ( i = 0; i < dim; i++ ) {
- trace += abs( rho[i][i] );
+ trace += abs( rho[i * dim + i] );
}
for ( i = 0; i < dim; i++ ) {
- if ( real( rho[i][i] ) < 0.0 )
+ if ( real( rho[i * dim + i] ) < 0.0 )
return 0;
- if ( imag( rho[i][i] ) * 1000000.0 > trace ) {
+ if ( imag( rho[i * dim + i] ) * 1000000.0 > trace ) {
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << *this << endl;
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << trace << endl;
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << "Failing 1" << endl;
@@ -188,13 +142,15 @@
for ( i = 0; i < dim; i++ ) {
for ( j = i + 1; j < dim; j++ ) {
- if ( fabs( real( rho[i][j] - rho[j][i] ) ) >
- 0.00000001 * ( abs( rho[i][i] ) + abs( rho[j][j] ) ) ) {
+ if ( fabs( real( rho[i * dim + j] - rho[j * dim + i] ) ) >
+ 0.00000001 *
+ ( abs( rho[i * dim + i] ) + abs( rho[j * dim + j] ) ) ) {
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << "Failing 2" << endl;
return 0;
}
- if ( fabs( imag( rho[i][j] + rho[j][i] ) ) >
- 0.00000001 * ( abs( rho[i][i] ) + abs( rho[j][j] ) ) ) {
+ if ( fabs( imag( rho[i * dim + j] + rho[j * dim + i] ) ) >
+ 0.00000001 *
+ ( abs( rho[i * dim + i] ) + abs( rho[j * dim + j] ) ) ) {
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << "Failing 3" << endl;
return 0;
}
@@ -206,14 +162,12 @@
ostream& operator<<( ostream& s, const EvtSpinDensity& d )
{
- int i, j;
-
s << endl;
s << "Dimension:" << d.dim << endl;
- for ( i = 0; i < d.dim; i++ ) {
- for ( j = 0; j < d.dim; j++ ) {
- s << d.rho[i][j] << " ";
+ for ( int i = 0; i < d.dim; i++ ) {
+ for ( int j = 0; j < d.dim; j++ ) {
+ s << d.get( i, j ) << " ";
}
s << endl;
}
diff --git a/src/EvtGenBase/EvtTensor4C.cpp b/src/EvtGenBase/EvtTensor4C.cpp
--- a/src/EvtGenBase/EvtTensor4C.cpp
+++ b/src/EvtGenBase/EvtTensor4C.cpp
@@ -272,7 +272,7 @@
for ( i = 0; i < 4; i++ ) {
for ( j = 0; j < 4; j++ ) {
- t[i][j] *= EvtComplex( d, 0.0 );
+ t[i][j] *= d;
}
}
return *this;
@@ -280,12 +280,12 @@
EvtTensor4C operator*( const EvtTensor4C& t1, double d )
{
- return EvtTensor4C( t1 ) *= EvtComplex( d, 0.0 );
+ return EvtTensor4C( t1 ) *= d;
}
EvtTensor4C operator*( double d, const EvtTensor4C& t1 )
{
- return EvtTensor4C( t1 ) *= EvtComplex( d, 0.0 );
+ return EvtTensor4C( t1 ) *= d;
}
EvtComplex cont( const EvtTensor4C& t1, const EvtTensor4C& t2 )
@@ -553,3 +553,120 @@
}
}
}
+
+EvtTensor4C& EvtTensor4C::addScaled( EvtComplex s, const EvtTensor4C& a )
+{
+ EvtComplex* u0 = reinterpret_cast<EvtComplex*>( t );
+ const EvtComplex* u1 = reinterpret_cast<const EvtComplex*>( a.t );
+ for ( int i = 0; i < 16; i++ )
+ u0[i] += s * u1[i];
+ return *this;
+}
+
+EvtTensor4C EvtGenFunctions::asymProd( const EvtVector4R& a, const EvtVector4R& b )
+{
+ // t_{ij} = eps_{ijkl} a^{k} b^{l}
+ // eps_{ijkl} is the Levi-Civita symbol -- antisymmetric tensor
+
+ EvtTensor4C res;
+ EvtComplex( &t )[4][4] = res.t;
+ double t01 = a.get( 2 ) * b.get( 3 ) - a.get( 3 ) * b.get( 2 );
+ t[0][1] = t01;
+ t[1][0] = -t01;
+ double t02 = a.get( 3 ) * b.get( 1 ) - a.get( 1 ) * b.get( 3 );
+ t[0][2] = t02;
+ t[2][0] = -t02;
+ double t03 = a.get( 1 ) * b.get( 2 ) - a.get( 2 ) * b.get( 1 );
+ t[0][3] = t03;
+ t[3][0] = -t03;
+ double t12 = a.get( 0 ) * b.get( 3 ) - a.get( 3 ) * b.get( 0 );
+ t[1][2] = t12;
+ t[2][1] = -t12;
+ double t13 = a.get( 2 ) * b.get( 0 ) - a.get( 0 ) * b.get( 2 );
+ t[1][3] = t13;
+ t[3][1] = -t13;
+ double t23 = a.get( 0 ) * b.get( 1 ) - a.get( 1 ) * b.get( 0 );
+ t[2][3] = t23;
+ t[3][2] = -t23;
+ return res;
+}
+
+EvtVector4R EvtGenFunctions::asymProd( const EvtVector4R& _a,
+ const EvtVector4R& _b,
+ const EvtVector4R& _c )
+{
+ // t_{ij} = eps_{ijkl} a^{j} b^{k} c^{l}
+ // eps_{ijkl} is the Levi-Civita symbol -- antisymmetric tensor
+
+ double a[4] = { _a.get( 0 ), _a.get( 1 ), _a.get( 2 ), _a.get( 3 ) };
+ /*
+ double b[4] = {_b.get(0), _b.get(1), _b.get(2), _b.get(3)};
+ double c[4] = {_c.get(0), _c.get(1), _c.get(2), _c.get(3)};
+ double t[4] = {0};
+
+ t[0] += a[1]*b[2]*c[3];
+ t[0] -= a[1]*b[3]*c[2];
+ t[0] -= a[2]*b[1]*c[3];
+ t[0] += a[2]*b[3]*c[1];
+ t[0] += a[3]*b[1]*c[2];
+ t[0] -= a[3]*b[2]*c[1];
+
+ t[1] -= a[0]*b[2]*c[3];
+ t[1] += a[0]*b[3]*c[2];
+ t[1] += a[2]*b[0]*c[3];
+ t[1] -= a[2]*b[3]*c[0];
+ t[1] -= a[3]*b[0]*c[2];
+ t[1] += a[3]*b[2]*c[0];
+
+ t[2] += a[0]*b[1]*c[3];
+ t[2] -= a[0]*b[3]*c[1];
+ t[2] -= a[1]*b[0]*c[3];
+ t[2] += a[1]*b[3]*c[0];
+ t[2] += a[3]*b[0]*c[1];
+ t[2] -= a[3]*b[1]*c[0];
+
+ t[3] -= a[0]*b[1]*c[2];
+ t[3] += a[0]*b[2]*c[1];
+ t[3] += a[1]*b[0]*c[2];
+ t[3] -= a[1]*b[2]*c[0];
+ t[3] -= a[2]*b[0]*c[1];
+ t[3] += a[2]*b[1]*c[0];
+
+ EvtVector4R res(t[0],t[1],t[2],t[3]);
+ // std::cout<<res<<std::endl;
+ return res;
+ */
+ double t01 = _b.get( 2 ) * _c.get( 3 ) - _b.get( 3 ) * _c.get( 2 );
+ double t02 = _b.get( 3 ) * _c.get( 1 ) - _b.get( 1 ) * _c.get( 3 );
+ double t03 = _b.get( 1 ) * _c.get( 2 ) - _b.get( 2 ) * _c.get( 1 );
+ double t12 = _b.get( 0 ) * _c.get( 3 ) - _b.get( 3 ) * _c.get( 0 );
+ double t13 = _b.get( 2 ) * _c.get( 0 ) - _b.get( 0 ) * _c.get( 2 );
+ double t23 = _b.get( 0 ) * _c.get( 1 ) - _b.get( 1 ) * _c.get( 0 );
+ double u[4] = { 0 };
+ u[0] = t01 * a[1] + t02 * a[2] + t03 * a[3];
+ u[1] = t12 * a[2] + t13 * a[3] - t01 * a[0];
+ u[2] = t23 * a[3] - ( t02 * a[0] + t12 * a[1] );
+ u[3] = -( t03 * a[0] + t13 * a[1] + t23 * a[2] );
+ // std::cout<<u[0]<<" "<<u[1]<<" "<<u[2]<<" "<<u[3]<<"\n";
+ return EvtVector4R( u[0], u[1], u[2], u[3] );
+}
+
+EvtVector4C EvtGenFunctions::asymProd( const EvtVector4C& _a,
+ const EvtVector4R& _b,
+ const EvtVector4R& _c )
+{
+ // t_{ij} = eps_{ijkl} a^{j} b^{k} c^{l}
+ // eps_{ijkl} is the Levi-Civita symbol -- antisymmetric tensor
+
+ EvtComplex a[4] = { _a.get( 0 ), _a.get( 1 ), _a.get( 2 ), _a.get( 3 ) };
+ double t01 = _b.get( 2 ) * _c.get( 3 ) - _b.get( 3 ) * _c.get( 2 );
+ double t02 = _b.get( 3 ) * _c.get( 1 ) - _b.get( 1 ) * _c.get( 3 );
+ double t03 = _b.get( 1 ) * _c.get( 2 ) - _b.get( 2 ) * _c.get( 1 );
+ double t12 = _b.get( 0 ) * _c.get( 3 ) - _b.get( 3 ) * _c.get( 0 );
+ double t13 = _b.get( 2 ) * _c.get( 0 ) - _b.get( 0 ) * _c.get( 2 );
+ double t23 = _b.get( 0 ) * _c.get( 1 ) - _b.get( 1 ) * _c.get( 0 );
+ return EvtVector4C( t01 * a[1] + t02 * a[2] + t03 * a[3],
+ t12 * a[2] + t13 * a[3] - t01 * a[0],
+ t23 * a[3] - ( t02 * a[0] + t12 * a[1] ),
+ -( t03 * a[0] + t13 * a[1] + t23 * a[2] ) );
+}
diff --git a/src/EvtGenBase/EvtVector4C.cpp b/src/EvtGenBase/EvtVector4C.cpp
--- a/src/EvtGenBase/EvtVector4C.cpp
+++ b/src/EvtGenBase/EvtVector4C.cpp
@@ -28,23 +28,6 @@
#include <math.h>
using std::ostream;
-EvtVector4C::EvtVector4C()
-{
- v[0] = EvtComplex( 0.0 );
- v[1] = EvtComplex( 0.0 );
- v[2] = EvtComplex( 0.0 );
- v[3] = EvtComplex( 0.0 );
-}
-
-EvtVector4C::EvtVector4C( const EvtComplex& e0, const EvtComplex& e1,
- const EvtComplex& e2, const EvtComplex& e3 )
-{
- v[0] = e0;
- v[1] = e1;
- v[2] = e2;
- v[3] = e3;
-}
-
EvtVector4C rotateEuler( const EvtVector4C& rs, double alpha, double beta,
double gamma )
{
@@ -80,50 +63,24 @@
void EvtVector4C::applyBoostTo( const EvtVector3R& boost )
{
- double bx, by, bz, gamma, b2;
-
- bx = boost.get( 0 );
- by = boost.get( 1 );
- bz = boost.get( 2 );
-
- double bxx = bx * bx;
- double byy = by * by;
- double bzz = bz * bz;
-
- b2 = bxx + byy + bzz;
-
- if ( b2 == 0.0 ) {
- return;
- }
+ double bx = boost.get( 0 );
+ double by = boost.get( 1 );
+ double bz = boost.get( 2 );
+ double b2 = bx * bx + by * by + bz * bz;
assert( b2 < 1.0 );
- gamma = 1.0 / sqrt( 1 - b2 );
-
- double gb2 = ( gamma - 1.0 ) / b2;
-
- double gb2xy = gb2 * bx * by;
- double gb2xz = gb2 * bx * bz;
- double gb2yz = gb2 * by * bz;
-
- double gbx = gamma * bx;
- double gby = gamma * by;
- double gbz = gamma * bz;
-
- EvtComplex e2 = v[0];
- EvtComplex px2 = v[1];
- EvtComplex py2 = v[2];
- EvtComplex pz2 = v[3];
+ double gamma2 = 1 / ( 1 - b2 );
+ double gamma = sqrt( gamma2 );
+ double F = gamma2 / ( gamma + 1 );
- v[0] = gamma * e2 + gbx * px2 + gby * py2 + gbz * pz2;
+ EvtComplex bp = bx * v[1] + by * v[2] + bz * v[3];
+ EvtComplex c = F * bp + gamma * v[0];
- v[1] = gbx * e2 + gb2 * bxx * px2 + px2 + gb2xy * py2 + gb2xz * pz2;
-
- v[2] = gby * e2 + gb2 * byy * py2 + py2 + gb2xy * px2 + gb2yz * pz2;
-
- v[3] = gbz * e2 + gb2 * bzz * pz2 + pz2 + gb2yz * py2 + gb2xz * px2;
-
- return;
+ v[1] += c * bx;
+ v[2] += c * by;
+ v[3] += c * bz;
+ v[0] = gamma * ( v[0] + bp );
}
void EvtVector4C::applyRotateEuler( double phi, double theta, double ksi )
diff --git a/src/EvtGenBase/EvtVectorParticle.cpp b/src/EvtGenBase/EvtVectorParticle.cpp
--- a/src/EvtGenBase/EvtVectorParticle.cpp
+++ b/src/EvtGenBase/EvtVectorParticle.cpp
@@ -56,21 +56,21 @@
setLifetime();
}
-void EvtVectorParticle::init( EvtId part_n, const EvtVector4R& p4,
- const EvtVector4C& epsin1,
- const EvtVector4C& epsin2,
- const EvtVector4C& epsin3 )
-{
- _validP4 = true;
- setp( p4 );
- setpart_num( part_n );
-
- _eps[0] = epsin1;
- _eps[1] = epsin2;
- _eps[2] = epsin3;
-
- setLifetime();
-}
+// void EvtVectorParticle::init( EvtId part_n, const EvtVector4R& p4,
+// const EvtVector4C& epsin1,
+// const EvtVector4C& epsin2,
+// const EvtVector4C& epsin3 )
+// {
+// _validP4 = true;
+// setp( p4 );
+// setpart_num( part_n );
+
+// _eps[0] = epsin1;
+// _eps[1] = epsin2;
+// _eps[2] = epsin3;
+
+// setLifetime();
+// }
EvtSpinDensity EvtVectorParticle::rotateToHelicityBasis() const
{
@@ -121,3 +121,30 @@
return R;
}
+
+EvtVector4C EvtVectorParticle::epsParent( int i ) const
+{
+ /*
+ assuming that polarization vectors have this structure:
+ _eps[0] = ( 0.0, 1.0, 0.0, 0.0 );
+ _eps[1] = ( 0.0, 0.0, 1.0, 0.0 );
+ _eps[2] = ( 0.0, 0.0, 0.0, 1.0 );
+ boost them into the parent frame
+ */
+ const EvtVector4R& p = getP4();
+ int j = i + 1;
+ double e = p.get( 0 ), px = p.get( 1 ), py = p.get( 2 ), pz = p.get( 3 );
+ double m2 = ( e * e - px * px ) - ( py * py + pz * pz ), m = sqrt( m2 );
+ double pj = p.get( j ), c = pj / ( m * e + m2 );
+ double v0 = c * ( e + m );
+ double v1 = c * px;
+ double v2 = c * py;
+ double v3 = c * pz;
+ EvtVector4C t;
+ t.set( v0, v1, v2, v3 );
+ t.set( j, t.get( j ) + 1 );
+ return t;
+ // EvtVector4C o = boostTo( _eps[i], p );
+ // std::cout<<"epsParent "<<t-o<<std::endl;
+ // return o;
+}
diff --git a/src/EvtGenBase/EvtdFunctionSingle.cpp b/src/EvtGenBase/EvtdFunctionSingle.cpp
--- a/src/EvtGenBase/EvtdFunctionSingle.cpp
+++ b/src/EvtGenBase/EvtdFunctionSingle.cpp
@@ -32,14 +32,14 @@
_j = 0;
_m1 = 0;
_m2 = 0;
- _coef = 0;
+ _coef = nullptr;
_kmin = 0;
_kmax = 0;
}
EvtdFunctionSingle::~EvtdFunctionSingle()
{
- if ( _coef != 0 )
+ if ( _coef != nullptr )
delete[] _coef;
}
diff --git a/src/EvtGenExternal/EvtExternalGenFactory.cpp b/src/EvtGenExternal/EvtExternalGenFactory.cpp
--- a/src/EvtGenExternal/EvtExternalGenFactory.cpp
+++ b/src/EvtGenExternal/EvtExternalGenFactory.cpp
@@ -56,9 +56,9 @@
EvtExternalGenFactory* EvtExternalGenFactory::getInstance()
{
- static EvtExternalGenFactory* theFactory = 0;
+ static EvtExternalGenFactory* theFactory = nullptr;
- if ( theFactory == 0 ) {
+ if ( theFactory == nullptr ) {
theFactory = new EvtExternalGenFactory();
}
@@ -136,7 +136,7 @@
EvtAbsExternalGen* EvtExternalGenFactory::getGenerator( int genId )
{
- EvtAbsExternalGen* theGenerator( 0 );
+ EvtAbsExternalGen* theGenerator( nullptr );
ExtGenMap::iterator iter;
@@ -158,7 +158,7 @@
ExtGenMap::iterator iter;
for ( iter = _extGenMap.begin(); iter != _extGenMap.end(); ++iter ) {
EvtAbsExternalGen* theGenerator = iter->second;
- if ( theGenerator != 0 ) {
+ if ( theGenerator != nullptr ) {
theGenerator->initialise();
}
}
diff --git a/src/EvtGenExternal/EvtExternalGenList.cpp b/src/EvtGenExternal/EvtExternalGenList.cpp
--- a/src/EvtGenExternal/EvtExternalGenList.cpp
+++ b/src/EvtGenExternal/EvtExternalGenList.cpp
@@ -41,7 +41,7 @@
// PYTHIA8DATA environment variable which should be set to the
// xmldoc Pythia directory
char* pythiaDataDir = getenv( "PYTHIA8DATA" );
- if ( pythiaDataDir != 0 ) {
+ if ( pythiaDataDir != nullptr ) {
pythiaXmlDir = pythiaDataDir;
}
}
diff --git a/src/EvtGenExternal/EvtPythia.cpp b/src/EvtGenExternal/EvtPythia.cpp
--- a/src/EvtGenExternal/EvtPythia.cpp
+++ b/src/EvtGenExternal/EvtPythia.cpp
@@ -39,7 +39,7 @@
// Set the Pythia engine to a null pointer at first.
// When we do the decay, we retrieve the pointer to the Pythia engine
// and use that for all decays. All clones will use the same Pythia engine.
- _pythiaEngine = 0;
+ _pythiaEngine = nullptr;
}
EvtPythia::~EvtPythia()
diff --git a/src/EvtGenExternal/EvtPythiaEngine.cpp b/src/EvtGenExternal/EvtPythiaEngine.cpp
--- a/src/EvtGenExternal/EvtPythiaEngine.cpp
+++ b/src/EvtGenExternal/EvtPythiaEngine.cpp
@@ -65,7 +65,7 @@
<< "Creating alias Pythia generator" << endl;
_aliasPythiaGen = std::make_unique<Pythia8::Pythia>( xmlDir, false );
- _thePythiaGenerator = 0;
+ _thePythiaGenerator = nullptr;
_daugPDGVector.clear();
_daugP4Vector.clear();
@@ -159,7 +159,7 @@
this->initialise();
}
- if ( theParticle == 0 ) {
+ if ( theParticle == nullptr ) {
EvtGenReport( EVTGEN_INFO, "EvtGen" )
<< "Error in EvtPythiaEngine::doDecay. The mother particle is null. Not doing any Pythia decay."
<< endl;
@@ -286,7 +286,7 @@
void EvtPythiaEngine::createDaughterEvtParticles( EvtParticle* theParent )
{
- if ( theParent == 0 ) {
+ if ( theParent == nullptr ) {
EvtGenReport( EVTGEN_INFO, "EvtGen" )
<< "Error in EvtPythiaEngine::createDaughterEvtParticles. The parent is null"
<< endl;
@@ -334,7 +334,7 @@
EvtDecayBase* decayModel = EvtDecayTable::getInstance()->findDecayModel(
aliasInt, pythiaModeInt );
- if ( decayModel != 0 ) {
+ if ( decayModel != nullptr ) {
int nModeDaug = decayModel->getNDaug();
// We need to make sure that the number of daughters match
@@ -389,7 +389,7 @@
EvtParticle* theDaughter = theParent->getDaug( iDaug );
// Set the correct 4-momentum for each daughter particle.
- if ( theDaughter != 0 ) {
+ if ( theDaughter != nullptr ) {
EvtId theDaugId = daugAliasIdVect[iDaug];
const EvtVector4R theDaugP4 = _daugP4Vector[iDaug];
theDaughter->init( theDaugId, theDaugP4 );
@@ -443,7 +443,7 @@
// Check that the PDG code is not zero/null and exclude other
// special cases, e.g. those reserved for internal generator use
- if ( entry_generic != 0 && this->validPDGCode( PDGCode ) ) {
+ if ( entry_generic != nullptr && this->validPDGCode( PDGCode ) ) {
entry_generic->setM0( mass );
entry_generic->setMWidth( width );
entry_generic->setTau0( lifetime );
@@ -456,7 +456,7 @@
// Check that the PDG code is not zero/null and exclude other
// special cases, e.g. those reserved for internal generator use
- if ( entry_alias != 0 && this->validPDGCode( PDGCode ) ) {
+ if ( entry_alias != nullptr && this->validPDGCode( PDGCode ) ) {
entry_alias->setM0( mass );
entry_alias->setMWidth( width );
entry_alias->setTau0( lifetime );
@@ -557,7 +557,7 @@
EvtDecayBase* decayModel =
EvtDecayTable::getInstance()->findDecayModel( aliasInt, iMode );
- if ( decayModel != 0 ) {
+ if ( decayModel != nullptr ) {
int nDaug = decayModel->getNDaug();
// If the decay mode has no daughters, then that means that there will be
@@ -645,7 +645,7 @@
{
int tmpModeInt( 0 ), modeInt( 0 );
- if ( decayModel != 0 ) {
+ if ( decayModel != nullptr ) {
int nVars = decayModel->getNArg();
// Just read the first integer, which specifies the Pythia decay model.
// Ignore any other values.
diff --git a/src/EvtGenModels/EvtBBScalar.cpp b/src/EvtGenModels/EvtBBScalar.cpp
--- a/src/EvtGenModels/EvtBBScalar.cpp
+++ b/src/EvtGenModels/EvtBBScalar.cpp
@@ -42,9 +42,9 @@
-0.000813 * cos( 60 / 180 * pi ) );
const EvtComplex EvtBBScalar::a4 = EvtComplex( -387.3e-4, -121e-4 );
const EvtComplex EvtBBScalar::a6 = EvtComplex( -555.3e-4, -121e-4 );
-const double EvtBBScalar::x[] = {420.96, -10485.50, 100639.97, -433916.61,
- 613780.15};
-const double EvtBBScalar::y[] = {292.62, -735.73};
+const double EvtBBScalar::x[] = { 420.96, -10485.50, 100639.97, -433916.61,
+ 613780.15 };
+const double EvtBBScalar::y[] = { 292.62, -735.73 };
const double EvtBBScalar::m_s = 0.120;
const double EvtBBScalar::m_u = 0.029 * 0.120;
const double EvtBBScalar::m_b = 4.88;
@@ -244,28 +244,28 @@
double EvtBBScalar::D_A( double t ) const
{
- const double d_tilde[] = {x[0] - 1.5 * y[0], -478};
+ const double d_tilde[] = { x[0] - 1.5 * y[0], -478 };
const vector<double> v_d_tilde( d_tilde, d_tilde + 2 );
return formFactorFit( t, v_d_tilde );
}
double EvtBBScalar::F_A( double t ) const
{
- const double f_tilde[] = {2. / 3 * x[0] + 0.5 * y[0], -478};
+ const double f_tilde[] = { 2. / 3 * x[0] + 0.5 * y[0], -478 };
const vector<double> v_f_tilde( f_tilde, f_tilde + 2 );
return formFactorFit( t, v_f_tilde );
}
double EvtBBScalar::D_P( double t ) const
{
- const double d_bar[] = {1.5 * y[0] * _massRatio, /*-952*/ 0};
+ const double d_bar[] = { 1.5 * y[0] * _massRatio, /*-952*/ 0 };
const vector<double> v_d_bar( d_bar, d_bar + 2 );
return formFactorFit( t, v_d_bar );
}
double EvtBBScalar::F_P( double t ) const
{
- const double f_bar[] = {( x[0] - 0.5 * y[0] ) * _massRatio, /*-952*/ 0};
+ const double f_bar[] = { ( x[0] - 0.5 * y[0] ) * _massRatio, /*-952*/ 0 };
const vector<double> v_f_bar( f_bar, f_bar + 2 );
return formFactorFit( t, v_f_bar );
}
diff --git a/src/EvtGenModels/EvtBTo3hCP.cpp b/src/EvtGenModels/EvtBTo3hCP.cpp
--- a/src/EvtGenModels/EvtBTo3hCP.cpp
+++ b/src/EvtGenModels/EvtBTo3hCP.cpp
@@ -127,7 +127,6 @@
NatKstar0 = EvtComplex( 0., 0. );
// B0bar -->-- K+ rho- Amplitudes (Trees + Penguins)
NatKrho = EvtComplex( 0., 0. );
-
}
void EvtBTo3hCP::Evt3pi( double alpha, int iset, EvtVector4R& p_pi_plus,
diff --git a/src/EvtGenModels/EvtBsMuMuKK.cpp b/src/EvtGenModels/EvtBsMuMuKK.cpp
--- a/src/EvtGenModels/EvtBsMuMuKK.cpp
+++ b/src/EvtGenModels/EvtBsMuMuKK.cpp
@@ -326,9 +326,9 @@
// Generate 4-momenta
double mKK = EvtRandom::Flat( kin_lower_limit, kin_upper_limit );
- double mass[10] = {MJpsi, mKK, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0};
- double Kmass[10] = {MKp, MKm, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0};
- double muMass[10] = {Mmu, Mmu, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0};
+ double mass[10] = { MJpsi, mKK, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0 };
+ double Kmass[10] = { MKp, MKm, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0 };
+ double muMass[10] = { Mmu, Mmu, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0 };
EvtVector4R mypV[2], mypK[2], mypmu[2];
EvtGenKine::PhaseSpace( 2, mass, mypV, MBs );
diff --git a/src/EvtGenModels/EvtBtoKD3P.cpp b/src/EvtGenModels/EvtBtoKD3P.cpp
--- a/src/EvtGenModels/EvtBtoKD3P.cpp
+++ b/src/EvtGenModels/EvtBtoKD3P.cpp
@@ -87,7 +87,7 @@
const int D2IND = 2;
// generate kinematics of daughters (K and D):
- EvtId tempDaug[2] = {getDaug( KIND ), getDaug( D1IND )};
+ EvtId tempDaug[2] = { getDaug( KIND ), getDaug( D1IND ) };
p->initializePhaseSpace( 2, tempDaug );
// Get the D daughter particle and the decay models of the allowed
diff --git a/src/EvtGenModels/EvtBtoXsgamma.cpp b/src/EvtGenModels/EvtBtoXsgamma.cpp
--- a/src/EvtGenModels/EvtBtoXsgamma.cpp
+++ b/src/EvtGenModels/EvtBtoXsgamma.cpp
@@ -75,7 +75,7 @@
{
//initialize here. -- its too damn slow otherwise.
- if ( _model == 0 ) {
+ if ( _model == nullptr ) {
if ( getArg( 0 ) == 1 )
_model = std::make_unique<EvtBtoXsgammaAliGreub>();
else if ( getArg( 0 ) == 2 )
diff --git a/src/EvtGenModels/EvtBtoXsgammaFermiUtil.cpp b/src/EvtGenModels/EvtBtoXsgammaFermiUtil.cpp
--- a/src/EvtGenModels/EvtBtoXsgammaFermiUtil.cpp
+++ b/src/EvtGenModels/EvtBtoXsgammaFermiUtil.cpp
@@ -54,13 +54,13 @@
double EvtBtoXsgammaFermiUtil::FermiGaussFuncRoot(
double lambdabar, double lam1, double mb, std::vector<double>& gammaCoeffs )
{
- std::vector<double> coeffs1 = {0.2, lambdabar, 0.0};
- std::vector<double> coeffs2 = {0.2, lambdabar, -lam1 / 3.};
+ std::vector<double> coeffs1 = { 0.2, lambdabar, 0.0 };
+ std::vector<double> coeffs2 = { 0.2, lambdabar, -lam1 / 3. };
- auto lhFunc = EvtItgTwoCoeffFcn{&FermiGaussRootFcnA, -mb, lambdabar,
- coeffs1, gammaCoeffs};
- auto rhFunc = EvtItgTwoCoeffFcn{&FermiGaussRootFcnB, -mb, lambdabar,
- coeffs2, gammaCoeffs};
+ auto lhFunc = EvtItgTwoCoeffFcn{ &FermiGaussRootFcnA, -mb, lambdabar,
+ coeffs1, gammaCoeffs };
+ auto rhFunc = EvtItgTwoCoeffFcn{ &FermiGaussRootFcnB, -mb, lambdabar,
+ coeffs2, gammaCoeffs };
auto rootFinder = EvtBtoXsgammaRootFinder{};
return rootFinder.GetGaussIntegFcnRoot( &lhFunc, &rhFunc, 1.0e-4, 1.0e-4,
@@ -180,7 +180,7 @@
double EvtBtoXsgammaFermiUtil::FermiRomanFuncRoot( double lambdabar, double lam1 )
{
- auto lhFunc = EvtItgFunction{&FermiRomanRootFcnA, -1.e-6, 1.e6};
+ auto lhFunc = EvtItgFunction{ &FermiRomanRootFcnA, -1.e-6, 1.e6 };
auto rootFinder = EvtBtoXsgammaRootFinder{};
double rhSide = 1.0 - ( lam1 / ( 3.0 * lambdabar * lambdabar ) );
diff --git a/src/EvtGenModels/EvtBtoXsgammaKagan.cpp b/src/EvtGenModels/EvtBtoXsgammaKagan.cpp
--- a/src/EvtGenModels/EvtBtoXsgammaKagan.cpp
+++ b/src/EvtGenModels/EvtBtoXsgammaKagan.cpp
@@ -104,37 +104,37 @@
void EvtBtoXsgammaKagan::getDefaultHadronicMass()
{
- massHad = {0, 0.0625995, 0.125199, 0.187798, 0.250398, 0.312997,
- 0.375597, 0.438196, 0.500796, 0.563395, 0.625995, 0.688594,
- 0.751194, 0.813793, 0.876392, 0.938992, 1.00159, 1.06419,
- 1.12679, 1.18939, 1.25199, 1.31459, 1.37719, 1.43979,
- 1.50239, 1.56499, 1.62759, 1.69019, 1.75278, 1.81538,
- 1.87798, 1.94058, 2.00318, 2.06578, 2.12838, 2.19098,
- 2.25358, 2.31618, 2.37878, 2.44138, 2.50398, 2.56658,
- 2.62918, 2.69178, 2.75438, 2.81698, 2.87958, 2.94217,
- 3.00477, 3.06737, 3.12997, 3.19257, 3.25517, 3.31777,
- 3.38037, 3.44297, 3.50557, 3.56817, 3.63077, 3.69337,
- 3.75597, 3.81857, 3.88117, 3.94377, 4.00637, 4.06896,
- 4.13156, 4.19416, 4.25676, 4.31936, 4.38196, 4.44456,
- 4.50716, 4.56976, 4.63236, 4.69496, 4.75756, 4.82016,
- 4.88276, 4.94536, 5.00796};
- brHad = {0, 1.03244e-09, 3.0239e-08, 1.99815e-07, 7.29392e-07,
- 1.93129e-06, 4.17806e-06, 7.86021e-06, 1.33421e-05, 2.09196e-05,
- 3.07815e-05, 4.29854e-05, 5.74406e-05, 7.3906e-05, 9.2003e-05,
- 0.000111223, 0.000130977, 0.000150618, 0.000169483, 0.000186934,
- 0.000202392, 0.000215366, 0.000225491, 0.000232496, 0.000236274,
- 0.000236835, 0.000234313, 0.000228942, 0.000221042, 0.000210994,
- 0.000199215, 0.000186137, 0.000172194, 0.000157775, 0.000143255,
- 0.000128952, 0.000115133, 0.000102012, 8.97451e-05, 7.84384e-05,
- 6.81519e-05, 5.89048e-05, 5.06851e-05, 4.34515e-05, 3.71506e-05,
- 3.1702e-05, 2.70124e-05, 2.30588e-05, 1.96951e-05, 1.68596e-05,
- 1.44909e-05, 1.25102e-05, 1.08596e-05, 9.48476e-06, 8.34013e-06,
- 7.38477e-06, 6.58627e-06, 5.91541e-06, 5.35022e-06, 4.87047e-06,
- 4.46249e-06, 4.11032e-06, 3.80543e-06, 3.54051e-06, 3.30967e-06,
- 3.10848e-06, 2.93254e-06, 2.78369e-06, 2.65823e-06, 2.55747e-06,
- 2.51068e-06, 2.57179e-06, 2.74684e-06, 3.02719e-06, 3.41182e-06,
- 3.91387e-06, 4.56248e-06, 5.40862e-06, 6.53915e-06, 8.10867e-06,
- 1.04167e-05};
+ massHad = { 0, 0.0625995, 0.125199, 0.187798, 0.250398, 0.312997,
+ 0.375597, 0.438196, 0.500796, 0.563395, 0.625995, 0.688594,
+ 0.751194, 0.813793, 0.876392, 0.938992, 1.00159, 1.06419,
+ 1.12679, 1.18939, 1.25199, 1.31459, 1.37719, 1.43979,
+ 1.50239, 1.56499, 1.62759, 1.69019, 1.75278, 1.81538,
+ 1.87798, 1.94058, 2.00318, 2.06578, 2.12838, 2.19098,
+ 2.25358, 2.31618, 2.37878, 2.44138, 2.50398, 2.56658,
+ 2.62918, 2.69178, 2.75438, 2.81698, 2.87958, 2.94217,
+ 3.00477, 3.06737, 3.12997, 3.19257, 3.25517, 3.31777,
+ 3.38037, 3.44297, 3.50557, 3.56817, 3.63077, 3.69337,
+ 3.75597, 3.81857, 3.88117, 3.94377, 4.00637, 4.06896,
+ 4.13156, 4.19416, 4.25676, 4.31936, 4.38196, 4.44456,
+ 4.50716, 4.56976, 4.63236, 4.69496, 4.75756, 4.82016,
+ 4.88276, 4.94536, 5.00796 };
+ brHad = { 0, 1.03244e-09, 3.0239e-08, 1.99815e-07, 7.29392e-07,
+ 1.93129e-06, 4.17806e-06, 7.86021e-06, 1.33421e-05, 2.09196e-05,
+ 3.07815e-05, 4.29854e-05, 5.74406e-05, 7.3906e-05, 9.2003e-05,
+ 0.000111223, 0.000130977, 0.000150618, 0.000169483, 0.000186934,
+ 0.000202392, 0.000215366, 0.000225491, 0.000232496, 0.000236274,
+ 0.000236835, 0.000234313, 0.000228942, 0.000221042, 0.000210994,
+ 0.000199215, 0.000186137, 0.000172194, 0.000157775, 0.000143255,
+ 0.000128952, 0.000115133, 0.000102012, 8.97451e-05, 7.84384e-05,
+ 6.81519e-05, 5.89048e-05, 5.06851e-05, 4.34515e-05, 3.71506e-05,
+ 3.1702e-05, 2.70124e-05, 2.30588e-05, 1.96951e-05, 1.68596e-05,
+ 1.44909e-05, 1.25102e-05, 1.08596e-05, 9.48476e-06, 8.34013e-06,
+ 7.38477e-06, 6.58627e-06, 5.91541e-06, 5.35022e-06, 4.87047e-06,
+ 4.46249e-06, 4.11032e-06, 3.80543e-06, 3.54051e-06, 3.30967e-06,
+ 3.10848e-06, 2.93254e-06, 2.78369e-06, 2.65823e-06, 2.55747e-06,
+ 2.51068e-06, 2.57179e-06, 2.74684e-06, 3.02719e-06, 3.41182e-06,
+ 3.91387e-06, 4.56248e-06, 5.40862e-06, 6.53915e-06, 8.10867e-06,
+ 1.04167e-05 };
massHad.resize( 81 );
brHad.resize( 81 );
@@ -221,12 +221,12 @@
sCoeffs[0] = _z;
//Define s22 and s27 functions
- auto mys22Func = EvtItgPtrFunction{&s22Func, 0., yMax + 0.1, sCoeffs};
- auto mys27Func = EvtItgPtrFunction{&s27Func, 0., yMax + 0.1, sCoeffs};
+ auto mys22Func = EvtItgPtrFunction{ &s22Func, 0., yMax + 0.1, sCoeffs };
+ auto mys27Func = EvtItgPtrFunction{ &s27Func, 0., yMax + 0.1, sCoeffs };
//Use a simpson integrator
- auto mys22Simp = EvtItgSimpsonIntegrator{mys22Func, 1.0e-4, 20};
- auto mys27Simp = EvtItgSimpsonIntegrator{mys27Func, 1.0e-4, 50};
+ auto mys22Simp = EvtItgSimpsonIntegrator{ mys22Func, 1.0e-4, 20 };
+ auto mys27Simp = EvtItgSimpsonIntegrator{ mys27Func, 1.0e-4, 50 };
int i;
@@ -323,37 +323,38 @@
}
//Define functions
- auto myDeltaFermiFunc = EvtItgThreeCoeffFcn{&DeltaFermiFunc, -_mb,
- _mB - _mb, FermiCoeffs,
- varCoeffs, DeltaCoeffs};
- auto mys88FermiFunc = EvtItgThreeCoeffFcn{&s88FermiFunc, -_mb,
- _mB - _mb, FermiCoeffs,
- varCoeffs, s88Coeffs};
- auto mys77FermiFunc = EvtItgTwoCoeffFcn{&s77FermiFunc, -_mb, _mB - _mb,
- FermiCoeffs, varCoeffs};
- auto mys78FermiFunc = EvtItgTwoCoeffFcn{&s78FermiFunc, -_mb, _mB - _mb,
- FermiCoeffs, varCoeffs};
- auto mys22FermiFunc = EvtItgFourCoeffFcn{&sFermiFunc, -_mb,
- _mB - _mb, FermiCoeffs,
- varCoeffs, sInitCoeffs,
- s22Coeffs};
- auto mys27FermiFunc = EvtItgFourCoeffFcn{&sFermiFunc, -_mb,
- _mB - _mb, FermiCoeffs,
- varCoeffs, sInitCoeffs,
- s27Coeffs};
- auto mys28FermiFunc = EvtItgFourCoeffFcn{&sFermiFunc, -_mb,
- _mB - _mb, FermiCoeffs,
- varCoeffs, sInitCoeffs,
- s28Coeffs};
+ auto myDeltaFermiFunc = EvtItgThreeCoeffFcn{ &DeltaFermiFunc, -_mb,
+ _mB - _mb, FermiCoeffs,
+ varCoeffs, DeltaCoeffs };
+ auto mys88FermiFunc = EvtItgThreeCoeffFcn{ &s88FermiFunc, -_mb,
+ _mB - _mb, FermiCoeffs,
+ varCoeffs, s88Coeffs };
+ auto mys77FermiFunc = EvtItgTwoCoeffFcn{ &s77FermiFunc, -_mb, _mB - _mb,
+ FermiCoeffs, varCoeffs };
+ auto mys78FermiFunc = EvtItgTwoCoeffFcn{ &s78FermiFunc, -_mb, _mB - _mb,
+ FermiCoeffs, varCoeffs };
+ auto mys22FermiFunc = EvtItgFourCoeffFcn{ &sFermiFunc, -_mb,
+ _mB - _mb, FermiCoeffs,
+ varCoeffs, sInitCoeffs,
+ s22Coeffs };
+ auto mys27FermiFunc = EvtItgFourCoeffFcn{ &sFermiFunc, -_mb,
+ _mB - _mb, FermiCoeffs,
+ varCoeffs, sInitCoeffs,
+ s27Coeffs };
+ auto mys28FermiFunc = EvtItgFourCoeffFcn{ &sFermiFunc, -_mb,
+ _mB - _mb, FermiCoeffs,
+ varCoeffs, sInitCoeffs,
+ s28Coeffs };
//Define integrators
- auto myDeltaFermiSimp = EvtItgSimpsonIntegrator{myDeltaFermiFunc, 1.0e-4, 40};
- auto mys77FermiSimp = EvtItgSimpsonIntegrator{mys77FermiFunc, 1.0e-4, 40};
- auto mys88FermiSimp = EvtItgSimpsonIntegrator{mys88FermiFunc, 1.0e-4, 40};
- auto mys78FermiSimp = EvtItgSimpsonIntegrator{mys78FermiFunc, 1.0e-4, 40};
- auto mys22FermiSimp = EvtItgSimpsonIntegrator{mys22FermiFunc, 1.0e-4, 40};
- auto mys27FermiSimp = EvtItgSimpsonIntegrator{mys27FermiFunc, 1.0e-4, 40};
- auto mys28FermiSimp = EvtItgSimpsonIntegrator{mys28FermiFunc, 1.0e-4, 40};
+ auto myDeltaFermiSimp = EvtItgSimpsonIntegrator{ myDeltaFermiFunc, 1.0e-4,
+ 40 };
+ auto mys77FermiSimp = EvtItgSimpsonIntegrator{ mys77FermiFunc, 1.0e-4, 40 };
+ auto mys88FermiSimp = EvtItgSimpsonIntegrator{ mys88FermiFunc, 1.0e-4, 40 };
+ auto mys78FermiSimp = EvtItgSimpsonIntegrator{ mys78FermiFunc, 1.0e-4, 40 };
+ auto mys22FermiSimp = EvtItgSimpsonIntegrator{ mys22FermiFunc, 1.0e-4, 40 };
+ auto mys27FermiSimp = EvtItgSimpsonIntegrator{ mys27FermiFunc, 1.0e-4, 40 };
+ auto mys28FermiSimp = EvtItgSimpsonIntegrator{ mys28FermiFunc, 1.0e-4, 40 };
//Finally calculate mHVect for the range of hadronic masses
double mHmin = sqrt( _mB * _mB - 2. * _mB * eGammaMax );
diff --git a/src/EvtGenModels/EvtBtoXsgammaRootFinder.cpp b/src/EvtGenModels/EvtBtoXsgammaRootFinder.cpp
--- a/src/EvtGenModels/EvtBtoXsgammaRootFinder.cpp
+++ b/src/EvtGenModels/EvtBtoXsgammaRootFinder.cpp
@@ -123,10 +123,10 @@
// Iterates until find root to the accuracy of precision
//Need to work with integrators
- auto func1Integ = EvtItgSimpsonIntegrator{*theFunc1, integ1Precision,
- maxLoop1};
- auto func2Integ = EvtItgSimpsonIntegrator{*theFunc2, integ2Precision,
- maxLoop2};
+ auto func1Integ = EvtItgSimpsonIntegrator{ *theFunc1, integ1Precision,
+ maxLoop1 };
+ auto func2Integ = EvtItgSimpsonIntegrator{ *theFunc2, integ2Precision,
+ maxLoop2 };
//coefficient 1 of the integrators is the root to be found
//need to set this to lower value to start off with
diff --git a/src/EvtGenModels/EvtD0gammaDalitz.cpp b/src/EvtGenModels/EvtD0gammaDalitz.cpp
--- a/src/EvtGenModels/EvtD0gammaDalitz.cpp
+++ b/src/EvtGenModels/EvtD0gammaDalitz.cpp
@@ -118,7 +118,7 @@
// Check if the D is from a B+- -> D0 K+- decay with the appropriate model.
EvtParticle* parent =
part->getParent(); // If there are no mistakes, should be B+ or B-.
- if ( parent != 0 &&
+ if ( parent != nullptr &&
EvtDecayTable::getInstance()->getDecayFunc( parent )->getName() ==
"BTODDALITZCPK" ) {
EvtId parId = parent->getId();
diff --git a/src/EvtGenModels/EvtDalitzTable.cpp b/src/EvtGenModels/EvtDalitzTable.cpp
--- a/src/EvtGenModels/EvtDalitzTable.cpp
+++ b/src/EvtGenModels/EvtDalitzTable.cpp
@@ -49,9 +49,9 @@
EvtDalitzTable* EvtDalitzTable::getInstance( const std::string dec_name,
bool verbose )
{
- static EvtDalitzTable* theDalitzTable = 0;
+ static EvtDalitzTable* theDalitzTable = nullptr;
- if ( theDalitzTable == 0 ) {
+ if ( theDalitzTable == nullptr ) {
theDalitzTable = new EvtDalitzTable();
}
@@ -83,7 +83,7 @@
_readFiles.push_back( dec_name );
- EvtDalitzDecayInfo* dalitzDecay = 0;
+ EvtDalitzDecayInfo* dalitzDecay = nullptr;
double probMax = 0;
EvtId ipar;
std::string decayParent = "";
@@ -385,7 +385,7 @@
dalitzDecay->setProbMax( probMax );
addDecay( ipar, *dalitzDecay );
delete dalitzDecay;
- dalitzDecay = 0;
+ dalitzDecay = nullptr;
} else if ( verbose ) {
EvtGenReport( EVTGEN_INFO, "EvtGen" )
<< "Unexpected tag " << parser.getTagTitle()
diff --git a/src/EvtGenModels/EvtFourBodyPhsp.cpp b/src/EvtGenModels/EvtFourBodyPhsp.cpp
--- a/src/EvtGenModels/EvtFourBodyPhsp.cpp
+++ b/src/EvtGenModels/EvtFourBodyPhsp.cpp
@@ -18,14 +18,15 @@
* along with EvtGen. If not, see <https://www.gnu.org/licenses/>. *
***********************************************************************/
-#include <cmath>
+#include "EvtGenModels/EvtFourBodyPhsp.hh"
#include "EvtGenBase/EvtKine.hh"
#include "EvtGenBase/EvtPDL.hh"
#include "EvtGenBase/EvtParticle.hh"
#include "EvtGenBase/EvtRandom.hh"
#include "EvtGenBase/EvtReport.hh"
-#include "EvtGenModels/EvtFourBodyPhsp.hh"
+
+#include <cmath>
std::string EvtFourBodyPhsp::getName()
{
@@ -163,7 +164,7 @@
double mMother = EvtPDL::getMaxMass( parent );
double funcValue = 0;
- while (contCond){
+ while ( contCond ) {
++iteration;
double currentM12 = startM12;
double currentM34 = startM34;
@@ -225,14 +226,14 @@
}
// Check termination condition
- double m12Diff = currentM12 - startM12;
- double m34Diff = currentM34 - startM34;
- double distSq = m12Diff * m12Diff + m34Diff * m34Diff;
- if (distSq < 1e-8 || iteration > 50){
- contCond = false;
- }
- startM12 = currentM12;
- startM34 = currentM34;
+ double m12Diff = currentM12 - startM12;
+ double m34Diff = currentM34 - startM34;
+ double distSq = m12Diff * m12Diff + m34Diff * m34Diff;
+ if ( distSq < 1e-8 || iteration > 50 ) {
+ contCond = false;
+ }
+ startM12 = currentM12;
+ startM34 = currentM34;
}
setProbMax( funcValue * 1.05 );
@@ -240,7 +241,6 @@
void EvtFourBodyPhsp::decay( EvtParticle* parent )
{
-
parent->makeDaughters( getNDaug(), getDaugs() );
bool massTreeStatus = parent->generateMassTree();
if ( !massTreeStatus ) {
@@ -299,9 +299,9 @@
setProb( probEval[0] );
// initialise kinematics
- const double cosTheta1 = EvtRandom::Flat(-1.0, 1.0);
+ const double cosTheta1 = EvtRandom::Flat( -1.0, 1.0 );
const double sinTheta1 = std::sqrt( 1 - cosTheta1 * cosTheta1 );
- const double cosTheta3 = EvtRandom::Flat(-1.0, 1.0);
+ const double cosTheta3 = EvtRandom::Flat( -1.0, 1.0 );
const double sinTheta3 = std::sqrt( 1 - cosTheta3 * cosTheta3 );
const double phi = EvtRandom::Flat( 0., EvtConst::twoPi );
// m12 and m34 are put along z-axis, 1 and 2 go to x-z plane and 3-4
diff --git a/src/EvtGenModels/EvtLambdacPHH.cpp b/src/EvtGenModels/EvtLambdacPHH.cpp
--- a/src/EvtGenModels/EvtLambdacPHH.cpp
+++ b/src/EvtGenModels/EvtLambdacPHH.cpp
@@ -168,11 +168,11 @@
int nDaug( 3 );
EvtVector4R p4Daug[3];
- double mDaug[3] = {EvtPDL::getMeanMass( EvtPDL::getId( "K-" ) ),
- EvtPDL::getMeanMass( EvtPDL::getId( "pi+" ) ),
- EvtPDL::getMeanMass( EvtPDL::getId( "p+" ) )};
+ double mDaug[3] = { EvtPDL::getMeanMass( EvtPDL::getId( "K-" ) ),
+ EvtPDL::getMeanMass( EvtPDL::getId( "pi+" ) ),
+ EvtPDL::getMeanMass( EvtPDL::getId( "p+" ) ) };
- double norm[3] = {0.0, 0.0, 0.0};
+ double norm[3] = { 0.0, 0.0, 0.0 };
// sample size
int N( 100000 );
@@ -229,11 +229,11 @@
int nDaug( 3 );
EvtVector4R p4Daug[3];
- double mDaug[3] = {EvtPDL::getMeanMass( EvtPDL::getId( "K-" ) ),
- EvtPDL::getMeanMass( EvtPDL::getId( "pi+" ) ),
- EvtPDL::getMeanMass( EvtPDL::getId( "p+" ) )};
+ double mDaug[3] = { EvtPDL::getMeanMass( EvtPDL::getId( "K-" ) ),
+ EvtPDL::getMeanMass( EvtPDL::getId( "pi+" ) ),
+ EvtPDL::getMeanMass( EvtPDL::getId( "p+" ) ) };
- double FitFracTop[4] = {0.0, 0.0, 0.0, 0.0};
+ double FitFracTop[4] = { 0.0, 0.0, 0.0, 0.0 };
double FitFracDenom = 0.0;
// sample size
diff --git a/src/EvtGenModels/EvtLb2Baryonlnu.cpp b/src/EvtGenModels/EvtLb2Baryonlnu.cpp
--- a/src/EvtGenModels/EvtLb2Baryonlnu.cpp
+++ b/src/EvtGenModels/EvtLb2Baryonlnu.cpp
@@ -37,16 +37,16 @@
#ifdef D0
#undef D0
#endif
-EvtLb2Baryonlnu::EvtLb2Baryonlnu() : ffmodel( 0 ), calcamp( 0 )
+EvtLb2Baryonlnu::EvtLb2Baryonlnu() : ffmodel( nullptr ), calcamp( nullptr )
{
}
EvtLb2Baryonlnu::~EvtLb2Baryonlnu()
{
delete ffmodel;
- ffmodel = 0;
+ ffmodel = nullptr;
delete calcamp;
- calcamp = 0;
+ calcamp = nullptr;
}
std::string EvtLb2Baryonlnu::getName()
diff --git a/src/EvtGenModels/EvtLb2Lll.cpp b/src/EvtGenModels/EvtLb2Lll.cpp
--- a/src/EvtGenModels/EvtLb2Lll.cpp
+++ b/src/EvtGenModels/EvtLb2Lll.cpp
@@ -292,7 +292,7 @@
parent->setDiagonalSpinDensity();
EvtAmp amp;
- EvtId daughters[3] = {getDaug( 0 ), getDaug( 1 ), getDaug( 2 )};
+ EvtId daughters[3] = { getDaug( 0 ), getDaug( 1 ), getDaug( 2 ) };
amp.init( getParentId(), 3, daughters );
parent->makeDaughters( 3, daughters );
EvtParticle* lambda = parent->getDaug( 0 );
@@ -368,10 +368,10 @@
delete parent;
}
- if (m_maxProbability < 1e-10) {
- EvtGenReport( EVTGEN_INFO, "EvtLb2Lll")
- << "EvtLb2Lll found zero max prob, setting to 1.5e6" << std::endl;
- m_maxProbability = 1.5e6;
+ if ( m_maxProbability < 1e-10 ) {
+ EvtGenReport( EVTGEN_INFO, "EvtLb2Lll" )
+ << "EvtLb2Lll found zero max prob, setting to 1.5e6" << std::endl;
+ m_maxProbability = 1.5e6;
}
setProbMax( m_maxProbability );
@@ -400,7 +400,7 @@
char ch;
double r, M_L, M_Lb, M_s, M_c, M_b, q2, alpha, M_W, M_t;
- double M_psi[2] = {0, 0}, Gamma_psi[2] = {0, 0}, k_psi[2] = {0, 0};
+ double M_psi[2] = { 0, 0 }, Gamma_psi[2] = { 0, 0 }, k_psi[2] = { 0, 0 };
double F0_1, F0_2, a_F1, a_F2, b_F1, b_F2, F1, F2;
double f_1, f_2, f_3, g_1, g_2, g_3, f_1T, f_2T, f_3T, g_1T, g_2T, g_3T,
f_TV, f_TS, g_TV( 0.0 ), g_TS, f_T, g_T;
diff --git a/src/EvtGenModels/EvtLb2plnuLCSR.cpp b/src/EvtGenModels/EvtLb2plnuLCSR.cpp
--- a/src/EvtGenModels/EvtLb2plnuLCSR.cpp
+++ b/src/EvtGenModels/EvtLb2plnuLCSR.cpp
@@ -37,16 +37,16 @@
#ifdef D0
#undef D0
#endif
-EvtLb2plnuLCSR::EvtLb2plnuLCSR() : ffmodel( 0 ), calcamp( 0 )
+EvtLb2plnuLCSR::EvtLb2plnuLCSR() : ffmodel( nullptr ), calcamp( nullptr )
{
}
EvtLb2plnuLCSR::~EvtLb2plnuLCSR()
{
delete ffmodel;
- ffmodel = 0;
+ ffmodel = nullptr;
delete calcamp;
- calcamp = 0;
+ calcamp = nullptr;
}
std::string EvtLb2plnuLCSR::getName()
diff --git a/src/EvtGenModels/EvtLb2plnuLQCD.cpp b/src/EvtGenModels/EvtLb2plnuLQCD.cpp
--- a/src/EvtGenModels/EvtLb2plnuLQCD.cpp
+++ b/src/EvtGenModels/EvtLb2plnuLQCD.cpp
@@ -37,16 +37,16 @@
#ifdef D0
#undef D0
#endif
-EvtLb2plnuLQCD::EvtLb2plnuLQCD() : ffmodel( 0 ), calcamp( 0 )
+EvtLb2plnuLQCD::EvtLb2plnuLQCD() : ffmodel( nullptr ), calcamp( nullptr )
{
}
EvtLb2plnuLQCD::~EvtLb2plnuLQCD()
{
delete ffmodel;
- ffmodel = 0;
+ ffmodel = nullptr;
delete calcamp;
- calcamp = 0;
+ calcamp = nullptr;
}
std::string EvtLb2plnuLQCD::getName()
diff --git a/src/EvtGenModels/EvtModelReg.cpp b/src/EvtGenModels/EvtModelReg.cpp
--- a/src/EvtGenModels/EvtModelReg.cpp
+++ b/src/EvtGenModels/EvtModelReg.cpp
@@ -158,6 +158,8 @@
#include "EvtGenModels/EvtbTosllBall.hh"
#include "EvtGenModels/EvtbTosllMS.hh"
#include "EvtGenModels/EvtbTosllMSExt.hh"
+#include "EvtGenModels/EvtbTosllNP.hh"
+#include "EvtGenModels/EvtbTosllNPR.hh"
#include "EvtGenModels/Evtbs2llGammaISRFSR.hh"
#include "EvtGenModels/Evtbs2llGammaMNT.hh"
#include "EvtGenModels/EvtbsToLLLL.hh"
@@ -177,7 +179,6 @@
EvtModelReg::EvtModelReg( const std::list<EvtDecayBase*>* extraModels )
{
EvtModel& modelist = EvtModel::instance();
-
if ( extraModels ) {
for ( std::list<EvtDecayBase*>::const_iterator it = extraModels->begin();
it != extraModels->end(); ++it ) {
@@ -239,6 +240,8 @@
modelist.registerModel( new EvtTauScalarnu );
modelist.registerModel( new EvtKstarnunu );
modelist.registerModel( new EvtbTosllBall );
+ modelist.registerModel( new EvtbTosllNP );
+ modelist.registerModel( new EvtbTosllNPR );
modelist.registerModel( new EvtBto2piCPiso );
modelist.registerModel( new EvtBtoKpiCPiso );
modelist.registerModel( new EvtSVSCPiso );
diff --git a/src/EvtGenModels/EvtMultibody.cpp b/src/EvtGenModels/EvtMultibody.cpp
--- a/src/EvtGenModels/EvtMultibody.cpp
+++ b/src/EvtGenModels/EvtMultibody.cpp
@@ -33,12 +33,12 @@
EvtMultibody::~EvtMultibody()
{
- if ( _decayTree != NULL )
+ if ( _decayTree != nullptr )
delete _decayTree;
- _decayTree = NULL;
- if ( _ilist != NULL )
+ _decayTree = nullptr;
+ if ( _ilist != nullptr )
delete[] _ilist;
- _ilist = NULL;
+ _ilist = nullptr;
}
std::string EvtMultibody::getName()
@@ -71,7 +71,7 @@
void EvtMultibody::initProbMax()
{
- setProbMax(1.0);
+ setProbMax( 1.0 );
}
void EvtMultibody::decay( EvtParticle* p )
diff --git a/src/EvtGenModels/EvtPhspDecaytimeCut.cpp b/src/EvtGenModels/EvtPhspDecaytimeCut.cpp
--- a/src/EvtGenModels/EvtPhspDecaytimeCut.cpp
+++ b/src/EvtGenModels/EvtPhspDecaytimeCut.cpp
@@ -26,9 +26,9 @@
#include "EvtGenBase/EvtPatches.hh"
#include "EvtGenBase/EvtReport.hh"
+#include <iostream>
#include <stdlib.h>
#include <string>
-#include <iostream>
std::string EvtPhspDecaytimeCut::getName()
{
diff --git a/src/EvtGenModels/EvtPi0Dalitz.cpp b/src/EvtGenModels/EvtPi0Dalitz.cpp
--- a/src/EvtGenModels/EvtPi0Dalitz.cpp
+++ b/src/EvtGenModels/EvtPi0Dalitz.cpp
@@ -52,31 +52,24 @@
// contractions, which is:
// 1/((m_R^2-q^2)^2+m_R^2 Gamma_R^2) 1/(2q^2) (M^2-q^2)^2 beta_l
// (1+cos(theta)^2) where we set cos(theta)=1
- auto daughter1 = getDaug( 0 );
- auto daughter2 = getDaug( 1 );
- double q2Min = EvtPDL::getMass( daughter1 ) + EvtPDL::getMass( daughter2 );
+ double q2Min = EvtPDL::getMass( getDaug( 0 ) ) +
+ EvtPDL::getMass( getDaug( 1 ) );
q2Min *= q2Min;
double q2Max = EvtPDL::getMass( getParentId() );
q2Max *= q2Max;
- const int steps = 20000;
- const double step = ( q2Max - q2Min ) / steps;
- double maxProb = 0;
- for ( int ii = 0; ii < steps; ++ii ) {
- double q2 = q2Min + ii * step;
- const double mSqDiff = m_m0Sq - q2;
- const double q2Sq = q2 * q2;
- double prob = ( q2Max - q2 ) * ( q2Max - q2 ) * ( q2 - q2Min ) /
- ( q2Sq );
- prob *= ( 1.0 / ( mSqDiff * mSqDiff + m_m0SqG0Sq ) );
- // When generating events, we do not start from phase-space, but
- // add some pole to it, weight of which is taken into account
- // elsewhere
- prob /= 1.0 + m_poleSize / ( q2Sq );
- if ( prob > maxProb ) {
+ const int steps = 100;
+ const double step = expm1( log( q2Max / q2Min ) / steps );
+ double maxProb = 0, q2 = q2Min;
+ do {
+ double prob = ( q2Max - q2 ) * ( q2Max - q2 ) * ( q2 - q2Min );
+ double m2d = m_m0Sq - q2;
+ prob /= q2 * ( m2d * m2d + m_m0SqG0Sq ) * ( q2 + m_poleSize );
+ if ( prob > maxProb )
maxProb = prob;
- }
- }
- setProbMax( maxProb * 1.05 );
+ } while ( ( q2 += q2 * step ) < q2Max );
+ setProbMax( maxProb * 1.01 );
+ EvtGenReport( EVTGEN_INFO, "EvtGenProbMax" )
+ << " " << sqrt( q2 ) << " " << maxProb << std::endl;
}
void EvtPi0Dalitz::init()
@@ -100,41 +93,33 @@
void EvtPi0Dalitz::decay( EvtParticle* p )
{
- EvtParticle *ep, *em, *gamma;
- setWeight( p->initializePhaseSpace( getNDaug(), getDaugs(), false,
- m_poleSize, 0, 1 ) );
- ep = p->getDaug( 0 );
- em = p->getDaug( 1 );
- gamma = p->getDaug( 2 );
-
- // the next four lines generates events with a weight such that
- // the efficiency for selecting them is good. The parameter below of
- // 0.1 is the size of the peak at low q^2 (in arbitrary units).
- // The value of 0.1 is appropriate for muons.
- // when you use this remember to remove the cut on q^2!
-
- //ep em invariant mass^2
- double m2 = ( ep->getP4() + em->getP4() ).mass2();
- EvtVector4R q = ep->getP4() + em->getP4();
- //Just use the prob summed over spins...
+ using EvtGenFunctions::directProd;
+ double ew = p->initializePhaseSpace( getNDaug(), getDaugs(), false,
+ m_poleSize, 0, 1 );
+ setWeight( ew );
- EvtTensor4C w, v;
+ const EvtVector4R& pp = p->getDaug( 0 )->getP4();
+ const EvtVector4R& pm = p->getDaug( 1 )->getP4();
+ const EvtVector4R& pg = p->getDaug( 2 )->getP4();
+ EvtVector4R q = pp + pm;
+ double q2 = q.mass2(), t = pg * q;
- v = 2.0 * ( gamma->getP4() * q ) *
- EvtGenFunctions::directProd( q, gamma->getP4() ) -
- ( gamma->getP4() * q ) * ( gamma->getP4() * q ) * EvtTensor4C::g() -
- m2 * EvtGenFunctions::directProd( gamma->getP4(), gamma->getP4() );
+ //Just use the prob summed over spins...
+ //EvtTensor4C v = (2.0 * t) * directProd( q, pg ) - t2 * EvtTensor4C::g() - q2 * directProd( pg, pg );
+ //EvtTensor4C w = 4.0 * ( directProd( pp, pm ) + directProd( pm, pp ) - EvtTensor4C::g() * ( pp*pm - pp.mass2() ) );
+ //double prob = real( cont( v, w ) ) / ( q2 * q2 );
+ EvtTensor4C v = directProd( q, pg )
+ .addScaled( -0.5 * t, EvtTensor4C::g() )
+ .addScaled( -0.5 * q2 / t, directProd( pg, pg ) );
+ EvtTensor4C w = directProd( pp, pm ).addDirProd( pm, pp ).addScaled(
+ pp.mass2() - pp * pm, EvtTensor4C::g() );
- w = 4.0 * ( EvtGenFunctions::directProd( ep->getP4(), em->getP4() ) +
- EvtGenFunctions::directProd( em->getP4(), ep->getP4() ) -
- EvtTensor4C::g() *
- ( ep->getP4() * em->getP4() - ep->getP4().mass2() ) );
+ double prob = 8 * t * real( cont( v, w ) ) / ( q2 * q2 );
+ double m2d = m_m0Sq - q2;
+ prob /= m2d * m2d + m_m0SqG0Sq;
- double prob = ( real( cont( v, w ) ) ) / ( m2 * m2 );
- const double m2Diff = m_m0Sq - m2;
- prob *= ( 1.0 / ( m2Diff * m2Diff + m_m0SqG0Sq ) );
+ // EvtGenReport(EVTGEN_INFO,"EvtGenDDD") <<" "<<q2<<" "<<prob<<" "<<ew<<std::endl;
- // EvtGenReport(EVTGEN_INFO,"EvtGen") << "prob is "<<prob<<endl;
setProb( prob );
return;
diff --git a/src/EvtGenModels/EvtPropSLPole.cpp b/src/EvtGenModels/EvtPropSLPole.cpp
--- a/src/EvtGenModels/EvtPropSLPole.cpp
+++ b/src/EvtGenModels/EvtPropSLPole.cpp
@@ -200,7 +200,7 @@
EvtParticle* par = pmeson->getParent();
double maxMass = -1.;
- if ( par != 0 ) {
+ if ( par != nullptr ) {
if ( par->hasValidP4() )
maxMass = par->mass();
for ( size_t i = 0; i < par->getNDaug(); i++ ) {
@@ -210,8 +210,8 @@
}
}
- EvtId* dauId = 0;
- double* dauMasses = 0;
+ EvtId* dauId = nullptr;
+ double* dauMasses = nullptr;
size_t nDaug = pmeson->getNDaug();
if ( nDaug > 0 ) {
dauId = new EvtId[nDaug];
@@ -221,8 +221,8 @@
dauMasses[j] = pmeson->getDaug( j )->mass();
}
}
- EvtId* parId = 0;
- EvtId* othDaugId = 0;
+ EvtId* parId = nullptr;
+ EvtId* othDaugId = nullptr;
EvtParticle* tempPar = pmeson->getParent();
if ( tempPar ) {
parId = new EvtId( tempPar->getId() );
diff --git a/src/EvtGenModels/EvtRareLbToLll.cpp b/src/EvtGenModels/EvtRareLbToLll.cpp
--- a/src/EvtGenModels/EvtRareLbToLll.cpp
+++ b/src/EvtGenModels/EvtRareLbToLll.cpp
@@ -72,14 +72,14 @@
// Work out whether we have electron mode
const EvtIdSet leptons{ "e-", "e+" };
if ( leptons.contains( getDaug( 1 ) ) ) {
- m_electronMode = true;
- EvtGenReport( EVTGEN_ERROR, "EvtGen" )
- << " EvtRareLbToLll has dielectron final state" << std::endl;
+ m_electronMode = true;
+ EvtGenReport( EVTGEN_ERROR, "EvtGen" )
+ << " EvtRareLbToLll has dielectron final state" << std::endl;
}
std::string model{ "LQCD" };
- if ( getNArg() == 1) {
- model = getArgStr( 0 );
+ if ( getNArg() == 1 ) {
+ model = getArgStr( 0 );
}
if ( model == "Gutsche" ) {
ffmodel_ = std::make_unique<EvtRareLbToLllFFGutsche>();
@@ -115,7 +115,7 @@
parent.setDiagonalSpinDensity();
EvtAmp amp;
- EvtId daughters[3] = {getDaug( 0 ), getDaug( 1 ), getDaug( 2 )};
+ EvtId daughters[3] = { getDaug( 0 ), getDaug( 1 ), getDaug( 2 ) };
amp.init( getParentId(), 3, daughters );
parent.makeDaughters( 3, daughters );
EvtParticle* lambda = parent.getDaug( 0 );
@@ -146,7 +146,7 @@
for ( int i = 0; i <= nsteps; i++ ) {
const double q2 = q2min + i * ( q2max - q2min ) / nsteps;
const double elambda = ( M0 * M0 + mL * mL - q2 ) / 2 / M0;
- double pstar{0};
+ double pstar{ 0 };
if ( i != 0 ) {
pstar = sqrt( q2 - ( m1 + m2 ) * ( m1 + m2 ) ) *
sqrt( q2 - ( m1 - m2 ) * ( m1 - m2 ) ) / 2 / sqrt( q2 );
@@ -165,7 +165,7 @@
p4lep2.set( sqrt( pstar * pstar + m2 * m2 ), 0,
-pstar * sin( theta ), -pstar * cos( theta ) );
- if ( i != nsteps) // At maximal q2 we are already in correct frame as Lambda and W/Zvirtual are at rest
+ if ( i != nsteps ) // At maximal q2 we are already in correct frame as Lambda and W/Zvirtual are at rest
{
p4lep1 = boostTo( p4lep1, boost );
p4lep2 = boostTo( p4lep2, boost );
@@ -177,9 +177,9 @@
prob = rho.normalizedProb( amp.getSpinDensity() );
// In case of electron mode add pole
if ( m_electronMode ) {
- prob /= 1.0 + m_poleSize / ( q2*q2 );
+ prob /= 1.0 + m_poleSize / ( q2 * q2 );
}
-
+
if ( prob > m_maxProbability ) {
EvtGenReport( EVTGEN_INFO, "EvtGen" )
<< " - probability " << prob << " found at q2 = " << q2
@@ -229,8 +229,8 @@
const bool isparticle = isParticle( parent );
- const EvtParticle* lp = 0;
- const EvtParticle* lm = 0;
+ const EvtParticle* lp = nullptr;
+ const EvtParticle* lm = nullptr;
if ( leptons.contains( parent.getDaug( 1 )->getId() ) ) {
lp = parent.getDaug( 1 );
diff --git a/src/EvtGenModels/EvtRareLbToLllFF.cpp b/src/EvtGenModels/EvtRareLbToLllFF.cpp
--- a/src/EvtGenModels/EvtRareLbToLllFF.cpp
+++ b/src/EvtGenModels/EvtRareLbToLllFF.cpp
@@ -154,7 +154,7 @@
FFMap_[EvtPDL::getId( "Lambda(1520)0" ).getId()] = L1520.get();
FFMap_[EvtPDL::getId( "anti-Lambda(1520)0" ).getId()] = L1520.get();
- FF_ = {std::move( L1115 ), std::move( L1520 )};
+ FF_ = { std::move( L1115 ), std::move( L1520 ) };
EvtGenReport( EVTGEN_INFO, "EvtGen" )
<< " EvtRareLbToLll is using form factors from arXiv:1108.6129 "
@@ -278,7 +278,8 @@
}
}
-void EvtRareLbToLllFF::getFF( const EvtParticle& parent, const EvtParticle& lambda,
+void EvtRareLbToLllFF::getFF( const EvtParticle& parent,
+ const EvtParticle& lambda,
EvtRareLbToLllFF::FormFactors& FF ) const
{
// Find the FF information for this particle, start by setting all to zero
diff --git a/src/EvtGenModels/EvtSLBaryonAmp.cpp b/src/EvtGenModels/EvtSLBaryonAmp.cpp
--- a/src/EvtGenModels/EvtSLBaryonAmp.cpp
+++ b/src/EvtGenModels/EvtSLBaryonAmp.cpp
@@ -461,7 +461,7 @@
FormFactors->getdiracff( par_num, bar_num, q2, baryonmass, &f1, &f2,
&f3, &g1, &g2, &g3 );
- const double form_fact[6] = {f1, f2, f3, g1, g2, g3};
+ const double form_fact[6] = { f1, f2, f3, g1, g2, g3 };
EvtVector4C b11, b12, b21, b22, l1, l2;
@@ -584,7 +584,7 @@
FormFactors->getraritaff( par_num, bar_num, q2, baryonmass, &f1, &f2,
&f3, &f4, &g1, &g2, &g3, &g4 );
- const double form_fact[8] = {f1, f2, f3, f4, g1, g2, g3, g4};
+ const double form_fact[8] = { f1, f2, f3, f4, g1, g2, g3, g4 };
EvtId l_num = parent->getDaug( 1 )->getId();
diff --git a/src/EvtGenModels/EvtTVP.cpp b/src/EvtGenModels/EvtTVP.cpp
--- a/src/EvtGenModels/EvtTVP.cpp
+++ b/src/EvtGenModels/EvtTVP.cpp
@@ -178,7 +178,7 @@
}
// Calculate the amplitude terms, looping over the psi and lepton states
- int iPols[4] = {0, 0, 0, 0};
+ int iPols[4] = { 0, 0, 0, 0 };
for ( int iChi = 0; iChi < 5; iChi++ ) {
iPols[0] = iChi;
diff --git a/src/EvtGenModels/EvtVSS.cpp b/src/EvtGenModels/EvtVSS.cpp
--- a/src/EvtGenModels/EvtVSS.cpp
+++ b/src/EvtGenModels/EvtVSS.cpp
@@ -67,9 +67,10 @@
EvtVector4R pDaug = p->getDaug( 0 )->getP4();
double norm = 1.0 / pDaug.d3mag();
-
+ pDaug *= norm;
+ // std::cout<<"VSS "<<norm<<std::endl;
for ( int i = 0; i < 3; i++ )
- vertex( i, norm * pDaug * ( p->eps( i ) ) );
+ vertex( i, pDaug * ( p->eps( i ) ) );
return;
}
diff --git a/src/EvtGenModels/EvtVVP.cpp b/src/EvtGenModels/EvtVVP.cpp
--- a/src/EvtGenModels/EvtVVP.cpp
+++ b/src/EvtGenModels/EvtVVP.cpp
@@ -156,7 +156,7 @@
factor = dSq / ( dSqDenom * kSq );
}
- int iPols[4] = {0, 0, 0, 0};
+ int iPols[4] = { 0, 0, 0, 0 };
// Calculate the amplitude terms, looping over the chi, psi and lepton states
for ( int iChi = 0; iChi < 3; iChi++ ) {
diff --git a/src/EvtGenModels/EvtVtoSll.cpp b/src/EvtGenModels/EvtVtoSll.cpp
--- a/src/EvtGenModels/EvtVtoSll.cpp
+++ b/src/EvtGenModels/EvtVtoSll.cpp
@@ -58,7 +58,7 @@
void EvtVtoSll::initProbMax()
{
- setProbMax(10.0);
+ setProbMax( 10.0 );
}
void EvtVtoSll::decay( EvtParticle* p )
diff --git a/src/EvtGenModels/EvtVub.cpp b/src/EvtGenModels/EvtVub.cpp
--- a/src/EvtGenModels/EvtVub.cpp
+++ b/src/EvtGenModels/EvtVub.cpp
@@ -166,7 +166,7 @@
int j;
// B+ -> u-bar specflav l+ nu
- EvtParticle *xuhad( 0 ), *lepton( 0 ), *neutrino( 0 );
+ EvtParticle *xuhad( nullptr ), *lepton( nullptr ), *neutrino( nullptr );
EvtVector4R p4;
// R. Faccini 21/02/03
// move the reweighting up , before also shooting the fermi distribution
@@ -274,8 +274,8 @@
sttmp = sqrt( 1 - ctH * ctH );
ptmp = sqrt( Eh * Eh - sh );
- double pHB[4] = {Eh, ptmp * sttmp * cos( phH ), ptmp * sttmp * sin( phH ),
- ptmp * ctH};
+ double pHB[4] = { Eh, ptmp * sttmp * cos( phH ), ptmp * sttmp * sin( phH ),
+ ptmp * ctH };
p4.set( pHB[0], pHB[1], pHB[2], pHB[3] );
xuhad->init( getDaug( 0 ), p4 );
@@ -299,7 +299,7 @@
// calculate the W 4 vector in the B Meson restrframe
double apWB = ptmp;
- double pWB[4] = {mB - Eh, -pHB[1], -pHB[2], -pHB[3]};
+ double pWB[4] = { mB - Eh, -pHB[1], -pHB[2], -pHB[3] };
// first go in the W restframe and calculate the lepton and
// the neutrino in the W frame
@@ -321,17 +321,17 @@
sttmp = sqrt( 1 - ctL * ctL );
// eX' = eZ x eW
- double xW[3] = {-pWB[2], pWB[1], 0};
+ double xW[3] = { -pWB[2], pWB[1], 0 };
// eZ' = eW
- double zW[3] = {pWB[1] / apWB, pWB[2] / apWB, pWB[3] / apWB};
+ double zW[3] = { pWB[1] / apWB, pWB[2] / apWB, pWB[3] / apWB };
double lx = sqrt( xW[0] * xW[0] + xW[1] * xW[1] );
for ( j = 0; j < 2; j++ )
xW[j] /= lx;
// eY' = eZ' x eX'
- double yW[3] = {-pWB[1] * pWB[3], -pWB[2] * pWB[3],
- pWB[1] * pWB[1] + pWB[2] * pWB[2]};
+ double yW[3] = { -pWB[1] * pWB[3], -pWB[2] * pWB[3],
+ pWB[1] * pWB[1] + pWB[2] * pWB[2] };
double ly = sqrt( yW[0] * yW[0] + yW[1] * yW[1] + yW[2] * yW[2] );
for ( j = 0; j < 3; j++ )
yW[j] /= ly;
@@ -356,8 +356,8 @@
if ( ctLL < -1 )
ctLL = -1;
- double pLB[4] = {El, 0, 0, 0};
- double pNB[4] = {pWB[0] - El, 0, 0, 0};
+ double pLB[4] = { El, 0, 0, 0 };
+ double pNB[4] = { pWB[0] - El, 0, 0, 0 };
for ( j = 1; j < 4; j++ ) {
pLB[j] = pLW[j] + ( ctLL * ptmp - ctL * apLW ) / apWB * pWB[j];
diff --git a/src/EvtGenModels/EvtVubBLNP.cpp b/src/EvtGenModels/EvtVubBLNP.cpp
--- a/src/EvtGenModels/EvtVubBLNP.cpp
+++ b/src/EvtGenModels/EvtVubBLNP.cpp
@@ -190,7 +190,7 @@
{
int j;
- EvtParticle *xuhad( 0 ), *lepton( 0 ), *neutrino( 0 );
+ EvtParticle *xuhad( nullptr ), *lepton( nullptr ), *neutrino( nullptr );
EvtVector4R p4;
double Pp, Pm, Pl, pdf, EX, sh, ml, mpi, ratemax;
double El( 0. );
@@ -264,8 +264,8 @@
sttmp = sqrt( 1 - ctH * ctH );
ptmp = sqrt( EX * EX - sh );
- double pHB[4] = {EX, ptmp * sttmp * cos( phH ), ptmp * sttmp * sin( phH ),
- ptmp * ctH};
+ double pHB[4] = { EX, ptmp * sttmp * cos( phH ), ptmp * sttmp * sin( phH ),
+ ptmp * ctH };
p4.set( pHB[0], pHB[1], pHB[2], pHB[3] );
xuhad->init( getDaug( 0 ), p4 );
@@ -287,7 +287,7 @@
// calculate the W 4 vector in the B Meson restrframe
double apWB = ptmp;
- double pWB[4] = {mBB - EX, -pHB[1], -pHB[2], -pHB[3]};
+ double pWB[4] = { mBB - EX, -pHB[1], -pHB[2], -pHB[3] };
// first go in the W restframe and calculate the lepton and
// the neutrino in the W frame
@@ -309,17 +309,17 @@
sttmp = sqrt( 1 - ctL * ctL );
// eX' = eZ x eW
- double xW[3] = {-pWB[2], pWB[1], 0};
+ double xW[3] = { -pWB[2], pWB[1], 0 };
// eZ' = eW
- double zW[3] = {pWB[1] / apWB, pWB[2] / apWB, pWB[3] / apWB};
+ double zW[3] = { pWB[1] / apWB, pWB[2] / apWB, pWB[3] / apWB };
double lx = sqrt( xW[0] * xW[0] + xW[1] * xW[1] );
for ( j = 0; j < 2; j++ )
xW[j] /= lx;
// eY' = eZ' x eX'
- double yW[3] = {-pWB[1] * pWB[3], -pWB[2] * pWB[3],
- pWB[1] * pWB[1] + pWB[2] * pWB[2]};
+ double yW[3] = { -pWB[1] * pWB[3], -pWB[2] * pWB[3],
+ pWB[1] * pWB[1] + pWB[2] * pWB[2] };
double ly = sqrt( yW[0] * yW[0] + yW[1] * yW[1] + yW[2] * yW[2] );
for ( j = 0; j < 3; j++ )
yW[j] /= ly;
@@ -345,8 +345,8 @@
if ( ctLL < -1 )
ctLL = -1;
- double pLB[4] = {El, 0, 0, 0};
- double pNB[4] = {pWB[0] - El, 0, 0, 0};
+ double pLB[4] = { El, 0, 0, 0 };
+ double pNB[4] = { pWB[0] - El, 0, 0, 0 };
for ( j = 1; j < 4; j++ ) {
pLB[j] = pLW[j] + ( ctLL * ptmp - ctL * apLW ) / apWB * pWB[j];
@@ -498,8 +498,8 @@
double lowerlim = 0.001 * Pp;
double upperlim = ( 1.0 - 0.001 ) * Pp;
- auto func = EvtItgPtrFunction{&IntJS, lowerlim, upperlim, vars};
- auto integ = EvtItgSimpsonIntegrator{func, precision, maxLoop};
+ auto func = EvtItgPtrFunction{ &IntJS, lowerlim, upperlim, vars };
+ auto integ = EvtItgSimpsonIntegrator{ func, precision, maxLoop };
return integ.evaluate( lowerlim, upperlim );
}
@@ -515,8 +515,8 @@
double lowerlim = 0.001 * Pp;
double upperlim = ( 1.0 - 0.001 ) * Pp;
- auto func = EvtItgPtrFunction{&Int1, lowerlim, upperlim, vars};
- auto integ = EvtItgSimpsonIntegrator{func, precision, maxLoop};
+ auto func = EvtItgPtrFunction{ &Int1, lowerlim, upperlim, vars };
+ auto integ = EvtItgSimpsonIntegrator{ func, precision, maxLoop };
return integ.evaluate( lowerlim, upperlim );
}
@@ -532,8 +532,8 @@
double lowerlim = 0.001 * Pp;
double upperlim = ( 1.0 - 0.001 ) * Pp;
- auto func = EvtItgPtrFunction{&Int2, lowerlim, upperlim, vars};
- auto integ = EvtItgSimpsonIntegrator{func, precision, maxLoop};
+ auto func = EvtItgPtrFunction{ &Int2, lowerlim, upperlim, vars };
+ auto integ = EvtItgSimpsonIntegrator{ func, precision, maxLoop };
return integ.evaluate( lowerlim, upperlim );
}
@@ -549,8 +549,8 @@
double lowerlim = 0.001 * Pp;
double upperlim = ( 1.0 - 0.001 ) * Pp;
- auto func = EvtItgPtrFunction{&Int3, lowerlim, upperlim, vars};
- auto integ = EvtItgSimpsonIntegrator{func, precision, maxLoop};
+ auto func = EvtItgPtrFunction{ &Int3, lowerlim, upperlim, vars };
+ auto integ = EvtItgSimpsonIntegrator{ func, precision, maxLoop };
return integ.evaluate( lowerlim, upperlim );
}
diff --git a/src/EvtGenModels/EvtVubBLNPHybrid.cpp b/src/EvtGenModels/EvtVubBLNPHybrid.cpp
--- a/src/EvtGenModels/EvtVubBLNPHybrid.cpp
+++ b/src/EvtGenModels/EvtVubBLNPHybrid.cpp
@@ -342,8 +342,8 @@
sttmp = sqrt( 1 - ctH * ctH );
ptmp = sqrt( EX * EX - sh );
- double pHB[4] = {EX, ptmp * sttmp * cos( phH ), ptmp * sttmp * sin( phH ),
- ptmp * ctH};
+ double pHB[4] = { EX, ptmp * sttmp * cos( phH ), ptmp * sttmp * sin( phH ),
+ ptmp * ctH };
p4.set( pHB[0], pHB[1], pHB[2], pHB[3] );
xuhad->init( getDaug( 0 ), p4 );
@@ -363,7 +363,7 @@
// calculate the W 4 vector in the B Meson restrframe
double apWB = ptmp;
- double pWB[4] = {mBB - EX, -pHB[1], -pHB[2], -pHB[3]};
+ double pWB[4] = { mBB - EX, -pHB[1], -pHB[2], -pHB[3] };
// first go in the W restframe and calculate the lepton and
// the neutrino in the W frame
@@ -385,17 +385,17 @@
sttmp = sqrt( 1 - ctL * ctL );
// eX' = eZ x eW
- double xW[3] = {-pWB[2], pWB[1], 0};
+ double xW[3] = { -pWB[2], pWB[1], 0 };
// eZ' = eW
- double zW[3] = {pWB[1] / apWB, pWB[2] / apWB, pWB[3] / apWB};
+ double zW[3] = { pWB[1] / apWB, pWB[2] / apWB, pWB[3] / apWB };
double lx = sqrt( xW[0] * xW[0] + xW[1] * xW[1] );
for ( j = 0; j < 2; j++ )
xW[j] /= lx;
// eY' = eZ' x eX'
- double yW[3] = {-pWB[1] * pWB[3], -pWB[2] * pWB[3],
- pWB[1] * pWB[1] + pWB[2] * pWB[2]};
+ double yW[3] = { -pWB[1] * pWB[3], -pWB[2] * pWB[3],
+ pWB[1] * pWB[1] + pWB[2] * pWB[2] };
double ly = sqrt( yW[0] * yW[0] + yW[1] * yW[1] + yW[2] * yW[2] );
for ( j = 0; j < 3; j++ )
yW[j] /= ly;
@@ -421,8 +421,8 @@
if ( ctLL < -1 )
ctLL = -1;
- double pLB[4] = {El, 0, 0, 0};
- double pNB[4] = {pWB[0] - El, 0, 0, 0};
+ double pLB[4] = { El, 0, 0, 0 };
+ double pNB[4] = { pWB[0] - El, 0, 0, 0 };
for ( j = 1; j < 4; j++ ) {
pLB[j] = pLW[j] + ( ctLL * ptmp - ctL * apLW ) / apWB * pWB[j];
@@ -572,8 +572,8 @@
double lowerlim = 0.001 * Pp;
double upperlim = ( 1.0 - 0.001 ) * Pp;
- auto func = EvtItgPtrFunction{&IntJS, lowerlim, upperlim, vars};
- auto integ = EvtItgSimpsonIntegrator{func, precision, maxLoop};
+ auto func = EvtItgPtrFunction{ &IntJS, lowerlim, upperlim, vars };
+ auto integ = EvtItgSimpsonIntegrator{ func, precision, maxLoop };
return integ.evaluate( lowerlim, upperlim );
}
@@ -589,8 +589,8 @@
double lowerlim = 0.001 * Pp;
double upperlim = ( 1.0 - 0.001 ) * Pp;
- auto func = EvtItgPtrFunction{&Int1, lowerlim, upperlim, vars};
- auto integ = EvtItgSimpsonIntegrator{func, precision, maxLoop};
+ auto func = EvtItgPtrFunction{ &Int1, lowerlim, upperlim, vars };
+ auto integ = EvtItgSimpsonIntegrator{ func, precision, maxLoop };
return integ.evaluate( lowerlim, upperlim );
}
@@ -606,8 +606,8 @@
double lowerlim = 0.001 * Pp;
double upperlim = ( 1.0 - 0.001 ) * Pp;
- auto func = EvtItgPtrFunction{&Int2, lowerlim, upperlim, vars};
- auto integ = EvtItgSimpsonIntegrator{func, precision, maxLoop};
+ auto func = EvtItgPtrFunction{ &Int2, lowerlim, upperlim, vars };
+ auto integ = EvtItgSimpsonIntegrator{ func, precision, maxLoop };
return integ.evaluate( lowerlim, upperlim );
}
@@ -623,8 +623,8 @@
double lowerlim = 0.001 * Pp;
double upperlim = ( 1.0 - 0.001 ) * Pp;
- auto func = EvtItgPtrFunction{&Int3, lowerlim, upperlim, vars};
- auto integ = EvtItgSimpsonIntegrator{func, precision, maxLoop};
+ auto func = EvtItgPtrFunction{ &Int3, lowerlim, upperlim, vars };
+ auto integ = EvtItgSimpsonIntegrator{ func, precision, maxLoop };
return integ.evaluate( lowerlim, upperlim );
}
diff --git a/src/EvtGenModels/EvtVubHybrid.cpp b/src/EvtGenModels/EvtVubHybrid.cpp
--- a/src/EvtGenModels/EvtVubHybrid.cpp
+++ b/src/EvtGenModels/EvtVubHybrid.cpp
@@ -162,7 +162,7 @@
int j;
// B+ -> u-bar specflav l+ nu
- EvtParticle *xuhad( 0 ), *lepton( 0 ), *neutrino( 0 );
+ EvtParticle *xuhad( nullptr ), *lepton( nullptr ), *neutrino( nullptr );
EvtVector4R p4;
// R. Faccini 21/02/03
// move the reweighting up , before also shooting the fermi distribution
@@ -275,8 +275,8 @@
sttmp = sqrt( 1 - ctH * ctH );
ptmp = sqrt( Eh * Eh - sh );
- double pHB[4] = {Eh, ptmp * sttmp * cos( phH ), ptmp * sttmp * sin( phH ),
- ptmp * ctH};
+ double pHB[4] = { Eh, ptmp * sttmp * cos( phH ), ptmp * sttmp * sin( phH ),
+ ptmp * ctH };
p4.set( pHB[0], pHB[1], pHB[2], pHB[3] );
xuhad->init( getDaug( 0 ), p4 );
@@ -300,7 +300,7 @@
// calculate the W 4 vector in the B Meson restrframe
double apWB = ptmp;
- double pWB[4] = {mB - Eh, -pHB[1], -pHB[2], -pHB[3]};
+ double pWB[4] = { mB - Eh, -pHB[1], -pHB[2], -pHB[3] };
// first go in the W restframe and calculate the lepton and
// the neutrino in the W frame
@@ -322,17 +322,17 @@
sttmp = sqrt( 1 - ctL * ctL );
// eX' = eZ x eW
- double xW[3] = {-pWB[2], pWB[1], 0};
+ double xW[3] = { -pWB[2], pWB[1], 0 };
// eZ' = eW
- double zW[3] = {pWB[1] / apWB, pWB[2] / apWB, pWB[3] / apWB};
+ double zW[3] = { pWB[1] / apWB, pWB[2] / apWB, pWB[3] / apWB };
double lx = sqrt( xW[0] * xW[0] + xW[1] * xW[1] );
for ( j = 0; j < 2; j++ )
xW[j] /= lx;
// eY' = eZ' x eX'
- double yW[3] = {-pWB[1] * pWB[3], -pWB[2] * pWB[3],
- pWB[1] * pWB[1] + pWB[2] * pWB[2]};
+ double yW[3] = { -pWB[1] * pWB[3], -pWB[2] * pWB[3],
+ pWB[1] * pWB[1] + pWB[2] * pWB[2] };
double ly = sqrt( yW[0] * yW[0] + yW[1] * yW[1] + yW[2] * yW[2] );
for ( j = 0; j < 3; j++ )
yW[j] /= ly;
@@ -360,8 +360,8 @@
if ( ctLL < -1 )
ctLL = -1;
- double pLB[4] = {El, 0, 0, 0};
- double pNB[4] = {pWB[0] - El, 0, 0, 0};
+ double pLB[4] = { El, 0, 0, 0 };
+ double pNB[4] = { pWB[0] - El, 0, 0, 0 };
for ( j = 1; j < 4; j++ ) {
pLB[j] = pLW[j] + ( ctLL * ptmp - ctL * apLW ) / apWB * pWB[j];
diff --git a/src/EvtGenModels/EvtVubNLO.cpp b/src/EvtGenModels/EvtVubNLO.cpp
--- a/src/EvtGenModels/EvtVubNLO.cpp
+++ b/src/EvtGenModels/EvtVubNLO.cpp
@@ -261,15 +261,15 @@
sttmp = sqrt( 1 - ctH * ctH );
ptmp = sqrt( Eh * Eh - sh );
- double pHB[4] = {Eh, ptmp * sttmp * cos( phH ), ptmp * sttmp * sin( phH ),
- ptmp * ctH};
+ double pHB[4] = { Eh, ptmp * sttmp * cos( phH ), ptmp * sttmp * sin( phH ),
+ ptmp * ctH };
p4.set( pHB[0], pHB[1], pHB[2], pHB[3] );
xuhad->init( getDaug( 0 ), p4 );
// calculate the W 4 vector in the B Meson restrframe
double apWB = ptmp;
- double pWB[4] = {_mB - Eh, -pHB[1], -pHB[2], -pHB[3]};
+ double pWB[4] = { _mB - Eh, -pHB[1], -pHB[2], -pHB[3] };
// first go in the W restframe and calculate the lepton and
// the neutrino in the W frame
@@ -294,17 +294,17 @@
sttmp = sqrt( 1 - ctL * ctL );
// eX' = eZ x eW
- double xW[3] = {-pWB[2], pWB[1], 0};
+ double xW[3] = { -pWB[2], pWB[1], 0 };
// eZ' = eW
- double zW[3] = {pWB[1] / apWB, pWB[2] / apWB, pWB[3] / apWB};
+ double zW[3] = { pWB[1] / apWB, pWB[2] / apWB, pWB[3] / apWB };
double lx = sqrt( xW[0] * xW[0] + xW[1] * xW[1] );
for ( int j = 0; j < 2; j++ )
xW[j] /= lx;
// eY' = eZ' x eX'
- double yW[3] = {-pWB[1] * pWB[3], -pWB[2] * pWB[3],
- pWB[1] * pWB[1] + pWB[2] * pWB[2]};
+ double yW[3] = { -pWB[1] * pWB[3], -pWB[2] * pWB[3],
+ pWB[1] * pWB[1] + pWB[2] * pWB[2] };
double ly = sqrt( yW[0] * yW[0] + yW[1] * yW[1] + yW[2] * yW[2] );
for ( int j = 0; j < 3; j++ )
yW[j] /= ly;
@@ -330,8 +330,8 @@
if ( ctLL < -1 )
ctLL = -1;
- double pLB[4] = {El, 0, 0, 0};
- double pNB[8] = {pWB[0] - El, 0, 0, 0};
+ double pLB[4] = { El, 0, 0, 0 };
+ double pNB[8] = { pWB[0] - El, 0, 0, 0 };
for ( int j = 1; j < 4; j++ ) {
pLB[j] = pLW[j] + ( ctLL * ptmp - ctL * apLW ) / apWB * pWB[j];
@@ -370,8 +370,8 @@
double aF3 = F30( sCoeffs );
double td0 = c1 * aF1 + c2 * aF2 + c3 * aF3;
- auto func = EvtItgPtrFunction{&integrand, 0., _mB, sCoeffs};
- auto jetSF = EvtItgSimpsonIntegrator{func, 0.01, 25};
+ auto func = EvtItgPtrFunction{ &integrand, 0., _mB, sCoeffs };
+ auto jetSF = EvtItgSimpsonIntegrator{ func, 0.01, 25 };
double smallfrac =
0.000001; // stop a bit before the end to avoid problems with numerical integration
double tdInt = jetSF.evaluate( 0, pp * ( 1 - smallfrac ) );
@@ -704,7 +704,7 @@
{
std::array<double, 6> gammaCoeffs{
76.18009172947146, -86.50532032941677, 24.01409824083091,
- -1.231739572450155, 0.1208650973866179e-2, -0.5395239384953e-5};
+ -1.231739572450155, 0.1208650973866179e-2, -0.5395239384953e-5 };
//Lifted from Numerical Recipies in C
double y = z;
@@ -726,7 +726,7 @@
{
std::vector<double> c( 1 );
c[0] = z;
- auto func = EvtItgPtrFunction{&dgamma, tmin, 100., c};
- auto jetSF = EvtItgSimpsonIntegrator{func, 0.001};
+ auto func = EvtItgPtrFunction{ &dgamma, tmin, 100., c };
+ auto jetSF = EvtItgSimpsonIntegrator{ func, 0.001 };
return jetSF.evaluate( tmin, 100. );
}
diff --git a/src/EvtGenModels/EvtWilsonCoefficients.cpp b/src/EvtGenModels/EvtWilsonCoefficients.cpp
--- a/src/EvtGenModels/EvtWilsonCoefficients.cpp
+++ b/src/EvtGenModels/EvtWilsonCoefficients.cpp
@@ -31,26 +31,27 @@
EvtWilsonCoefficients::EvtWilsonCoefficients()
{
int i, j;
- double tmpa[8] = {14. / 23., 16. / 23., 6. / 23., -12. / 23.,
- 0.4086, -0.4230, -0.8994, 0.1456};
- double tmph[8] = {2.2996, -1.0880, -3. / 7., -1. / 14.,
- -0.6494, -0.0380, -0.0186, -0.0057};
- double tmpp[8] = {0, 0, -80. / 203., 8. / 33.,
- 0.0433, 0.1384, 0.1648, -0.0073};
- double tmps[8] = {0, 0, -0.2009, -0.3579, 0.0490, -0.3616, -0.3554, 0.0072};
- double tmpq[8] = {0, 0, 0, 0, 0.0318, 0.0918, -0.2700, 0.0059};
- double tmpg[8] = {313063. / 363036., 0, 0, 0,
- -0.9135, 0.0873, -0.0571, -0.0209};
+ double tmpa[8] = { 14. / 23., 16. / 23., 6. / 23., -12. / 23.,
+ 0.4086, -0.4230, -0.8994, 0.1456 };
+ double tmph[8] = { 2.2996, -1.0880, -3. / 7., -1. / 14.,
+ -0.6494, -0.0380, -0.0186, -0.0057 };
+ double tmpp[8] = { 0, 0, -80. / 203., 8. / 33.,
+ 0.0433, 0.1384, 0.1648, -0.0073 };
+ double tmps[8] = { 0, 0, -0.2009, -0.3579,
+ 0.0490, -0.3616, -0.3554, 0.0072 };
+ double tmpq[8] = { 0, 0, 0, 0, 0.0318, 0.0918, -0.2700, 0.0059 };
+ double tmpg[8] = { 313063. / 363036., 0, 0, 0,
+ -0.9135, 0.0873, -0.0571, -0.0209 };
double tmpk[6][8] = {
- {0, 0, 1. / 2., -1. / 2., 0, 0, 0, 0},
- {0, 0, 1. / 2., +1. / 2., 0, 0, 0, 0},
- {0, 0, -1. / 14., +1. / 6., 0.0510, -0.1403, -0.0113, 0.0054},
- {0, 0, -1. / 14., -1. / 6., 0.0984, +0.1214, +0.0156, 0.0026},
- {0, 0, 0, 0, -0.0397, 0.0117, -0.0025, +0.0304},
- {0, 0, 0, 0, +0.0335, 0.0239, -0.0462, -0.0112}};
+ { 0, 0, 1. / 2., -1. / 2., 0, 0, 0, 0 },
+ { 0, 0, 1. / 2., +1. / 2., 0, 0, 0, 0 },
+ { 0, 0, -1. / 14., +1. / 6., 0.0510, -0.1403, -0.0113, 0.0054 },
+ { 0, 0, -1. / 14., -1. / 6., 0.0984, +0.1214, +0.0156, 0.0026 },
+ { 0, 0, 0, 0, -0.0397, 0.0117, -0.0025, +0.0304 },
+ { 0, 0, 0, 0, +0.0335, 0.0239, -0.0462, -0.0112 } };
double tmpr[2][8] = {
- {0, 0, +0.8966, -0.1960, -0.2011, 0.1328, -0.0292, -0.1858},
- {0, 0, -0.1193, +0.1003, -0.0473, 0.2323, -0.0133, -0.1799}};
+ { 0, 0, +0.8966, -0.1960, -0.2011, 0.1328, -0.0292, -0.1858 },
+ { 0, 0, -0.1193, +0.1003, -0.0473, 0.2323, -0.0133, -0.1799 } };
for ( i = 0; i < 8; i++ ) {
a[i] = tmpa[i];
h[i] = tmph[i];
diff --git a/src/EvtGenModels/EvtbTosllAli.cpp b/src/EvtGenModels/EvtbTosllAli.cpp
--- a/src/EvtGenModels/EvtbTosllAli.cpp
+++ b/src/EvtGenModels/EvtbTosllAli.cpp
@@ -65,7 +65,7 @@
//This routine sets the _poleSize.
double mymaxprob = _calcamp->CalcMaxProb( parnum, mesnum, l1num, l2num,
_aliffmodel.get(), _poleSize );
- mymaxprob *= 1.25; // Increase to avoid maxprob errors
+ mymaxprob *= 1.25; // Increase to avoid maxprob errors
setProbMax( mymaxprob );
}
diff --git a/src/EvtGenModels/EvtbTosllAmp.cpp b/src/EvtGenModels/EvtbTosllAmp.cpp
--- a/src/EvtGenModels/EvtbTosllAmp.cpp
+++ b/src/EvtGenModels/EvtbTosllAmp.cpp
@@ -34,6 +34,45 @@
#include "EvtGenBase/EvtVector4C.hh"
#include "EvtGenBase/EvtVectorParticle.hh"
+#include <fstream>
+
+double getKineWeight( EvtParticle* p )
+{
+ int nd = p->getNDaug();
+ double prod = 1;
+ for ( int i = 0; i < nd - 1; i++ ) {
+ EvtVector4R M0;
+ for ( int j = i + 1; j < nd; j++ )
+ M0 += p->getDaug( j )->getP4();
+ EvtVector4R M1 = M0 + p->getDaug( i )->getP4();
+ double Mi12 = M1.mass2(), Mi = M0.mass(),
+ mi = p->getDaug( i )->getP4().mass(), Mipm = Mi + mi,
+ Mimm = Mi - mi;
+ std::cout << Mi12 << std::endl;
+ prod *= 0.5 *
+ sqrt( ( Mi12 - Mipm * Mipm ) * ( Mi12 - Mimm * Mimm ) / Mi12 );
+ }
+ return prod;
+}
+
+double getKineWeight2( EvtParticle* p )
+{
+ int nd = p->getNDaug();
+ double prod = 1;
+ for ( int i = nd - 1; i > 0; i-- ) {
+ EvtVector4R M0;
+ for ( int j = i - 1; j >= 0; j-- )
+ M0 += p->getDaug( j )->getP4();
+ EvtVector4R M1 = M0 + p->getDaug( i )->getP4();
+ double Mi12 = M1.mass2(), Mi = M0.mass(),
+ mi = p->getDaug( i )->getP4().mass(), Mipm = Mi + mi,
+ Mimm = Mi - mi;
+ prod *= 0.5 *
+ sqrt( ( Mi12 - Mipm * Mipm ) * ( Mi12 - Mimm * Mimm ) / Mi12 );
+ }
+ return prod;
+}
+
double EvtbTosllAmp::CalcMaxProb( EvtId parent, EvtId meson, EvtId lepton1,
EvtId lepton2, EvtbTosllFF* FormFactors,
double& poleSize )
@@ -85,8 +124,7 @@
lep1->noLifeTime();
lep2->noLifeTime();
- //Initial particle is unpolarized, well it is a scalar so it is
- //trivial
+ //Initial particle is unpolarized, well it is a scalar so it is trivial
EvtSpinDensity rho;
rho.setDiag( root_part->getSpinStates() );
@@ -95,120 +133,87 @@
double m = root_part->mass();
EvtVector4R p4meson, p4lepton1, p4lepton2, p4w;
- double q2max;
-
- double q2, elepton, plepton;
- int i, j;
- double erho, prho, costl;
double maxfoundprob = 0.0;
double prob = -10.0;
- int massiter;
-
double maxpole = 0;
- for ( massiter = 0; massiter < 3; massiter++ ) {
- mass[0] = EvtPDL::getMeanMass( meson );
- mass[1] = EvtPDL::getMeanMass( lepton1 );
- mass[2] = EvtPDL::getMeanMass( lepton2 );
- if ( massiter == 1 ) {
- mass[0] = EvtPDL::getMinMass( meson );
- }
- if ( massiter == 2 ) {
- mass[0] = EvtPDL::getMaxMass( meson );
- if ( ( mass[0] + mass[1] + mass[2] ) > m )
- mass[0] = m - mass[1] - mass[2] - 0.00001;
- }
-
- q2max = ( m - mass[0] ) * ( m - mass[0] );
+ mass[1] = EvtPDL::getMeanMass( lepton1 );
+ mass[2] = EvtPDL::getMeanMass( lepton2 );
+ std::vector<double> mH;
+ mH.push_back( EvtPDL::getMeanMass( meson ) );
+ //if the particle is narrow dont bother with changing the mass.
+ double g = EvtPDL::getWidth( meson );
+ if ( g > 0 ) {
+ mH.push_back( EvtPDL::getMinMass( meson ) );
+ mH.push_back(
+ std::min( EvtPDL::getMaxMass( meson ), m - mass[1] - mass[2] ) );
+ mH.push_back( mH.front() - g );
+ mH.push_back( mH.front() + g );
+ }
+ double q2min = ( mass[1] + mass[2] ) * ( mass[1] + mass[2] );
+ for ( double m0 : mH ) {
+ double q2max = ( m - m0 ) * ( m - m0 );
//loop over q2
- //cout << "m " << m << "mass[0] " << mass[0] << " q2max "<< q2max << endl;
- for ( i = 0; i < 25; i++ ) {
- //want to avoid picking up the tail of the photon propagator
- q2 = ( ( i + 1.5 ) * q2max ) / 26.0;
-
+ for ( int i = 0, n = 25; i < n; i++ ) {
+ // want to avoid picking up the tail of the photon propagator
+ double q2 = q2min + ( i + 0.5 ) / n * ( q2max - q2min );
+ // std::cout<<q2<<std::endl;
if ( i == 0 )
- q2 = 4 * ( mass[1] * mass[1] );
-
- erho = ( m * m + mass[0] * mass[0] - q2 ) / ( 2.0 * m );
+ q2 = q2min; // pole
+ double Erho = ( m * m + m0 * m0 - q2 ) / ( 2.0 * m ),
+ Prho = sqrt( ( Erho - m0 ) * ( Erho + m0 ) );
- prho = sqrt( erho * erho - mass[0] * mass[0] );
-
- p4meson.set( erho, 0.0, 0.0, -1.0 * prho );
- p4w.set( m - erho, 0.0, 0.0, prho );
+ p4meson.set( Erho, 0.0, 0.0, -Prho );
+ p4w.set( m - Erho, 0.0, 0.0, Prho );
//This is in the W rest frame
- elepton = ( q2 + mass[1] * mass[1] ) / ( 2.0 * sqrt( q2 ) );
- plepton = sqrt( elepton * elepton - mass[1] * mass[1] );
-
- double probctl[3];
+ double Elep = sqrt( q2 ) * 0.5,
+ Plep = sqrt( Elep * Elep - mass[1] * mass[1] );
- for ( j = 0; j < 3; j++ ) {
- costl = 0.99 * ( j - 1.0 );
+ const int nj = 3 + 2 + 4 + 8;
+ double p[nj], cmin = -1, cmax = 1, dc = ( cmax - cmin ) / ( nj - 1 );
+ for ( int j = 0; j < nj; j++ ) {
+ double c = cmin + dc * j;
- //These are in the W rest frame. Need to boost out into
- //the B frame.
- p4lepton1.set( elepton, 0.0,
- plepton * sqrt( 1.0 - costl * costl ),
- plepton * costl );
- p4lepton2.set( elepton, 0.0,
- -1.0 * plepton * sqrt( 1.0 - costl * costl ),
- -1.0 * plepton * costl );
+ //These are in the W rest frame. Need to boost out into the B frame.
+ double Py = Plep * sqrt( 1.0 - c * c ), Pz = Plep * c;
+ p4lepton1.set( Elep, 0.0, Py, Pz );
+ p4lepton2.set( Elep, 0.0, -Py, -Pz );
- EvtVector4R boost( ( m - erho ), 0.0, 0.0, 1.0 * prho );
- p4lepton1 = boostTo( p4lepton1, boost );
- p4lepton2 = boostTo( p4lepton2, boost );
+ p4lepton1 = boostTo( p4lepton1, p4w );
+ p4lepton2 = boostTo( p4lepton2, p4w );
//Now initialize the daughters...
daughter->init( meson, p4meson );
lep1->init( lepton1, p4lepton1 );
lep2->init( lepton2, p4lepton2 );
-
+ // std::cout<<"kw "<<q2<<" "<<getKineWeight(root_part)<<" "<<getKineWeight2(root_part)<<std::endl;
CalcAmp( root_part, amp, FormFactors );
- //Now find the probability at this q2 and cos theta lepton point
+ //Now find the probability at this q2 and cos(theta) lepton point
//and compare to maxfoundprob.
//Do a little magic to get the probability!!
- //cout <<"amp:"<<amp.getSpinDensity()<<endl;
-
- prob = rho.normalizedProb( amp.getSpinDensity() );
-
- //cout << "prob:"<<q2<<" "<<costl<<" "<<prob<<endl;
-
- probctl[j] = prob;
+ p[j] = rho.normalizedProb( amp.getSpinDensity() );
}
- //probclt contains prob at ctl=-1,0,1.
- //prob=a+b*ctl+c*ctl^2
-
- double a = probctl[1];
- double b = 0.5 * ( probctl[2] - probctl[0] );
- double c = 0.5 * ( probctl[2] + probctl[0] ) - probctl[1];
-
- prob = probctl[0];
- if ( probctl[1] > prob )
- prob = probctl[1];
- if ( probctl[2] > prob )
- prob = probctl[2];
-
- if ( fabs( c ) > 1e-20 ) {
- double ctlx = -0.5 * b / c;
- if ( fabs( ctlx ) < 1.0 ) {
- double probtmp = a + b * ctlx + c * ctlx * ctlx;
- if ( probtmp > prob )
- prob = probtmp;
+ for ( int j = 0; j < nj - 2; j++ ) {
+ // pm,p0,pp contain probabilities at x=-1,0,1.
+ // prob = a + b*x + c*x^2
+ double pm = p[j + 0], p0 = p[j + 1], pp = p[j + 2];
+ double a = p0, b = 0.5 * ( pp - pm ), c = 0.5 * ( pp + pm ) - p0;
+ prob = std::max( p0, std::max( pp, pm ) );
+ if ( fabs( c ) > 1e-20 ) {
+ double x = -0.5 * b / c;
+ if ( fabs( x ) < 1.0 )
+ prob = std::max( prob, a + b * x + c * x * x );
}
}
- //EvtGenReport(EVTGEN_DEBUG,"EvtGen") << "prob,probctl:"<<prob<<" "
- // << probctl[0]<<" "
- // << probctl[1]<<" "
- // << probctl[2]<<endl;
-
if ( i == 0 ) {
maxpole = prob;
continue;
@@ -217,27 +222,74 @@
if ( prob > maxfoundprob ) {
maxfoundprob = prob;
}
-
- //cout << "q2,maxfoundprob:"<<q2<<" "<<maxfoundprob<<endl;
- }
- if ( EvtPDL::getWidth( meson ) <= 0.0 ) {
- //if the particle is narrow dont bother with changing the mass.
- massiter = 4;
}
}
- root_part->deleteTree();
+ if ( 0 ) {
+ std::vector<float> v;
+ float x, y;
+ std::ifstream INR( "eRe_wide.dat" );
+ while ( INR >> x >> y )
+ v.push_back( x );
+ std::cout << "q2 points read -- " << v.size() << std::endl;
+
+ std::ofstream OUT( "b2sllprob_amp.dat" );
+ double m0 = mH[0];
+ m0 = EvtPDL::getMinMass( meson );
+ double q2max = ( m - m0 ) * ( m - m0 );
+ //loop over q2
+ for ( double q2 : v ) {
+ // want to avoid picking up the tail of the photon propagator
+ if ( !( q2min <= q2 && q2 < q2max ) )
+ continue;
+ double Erho = ( m * m + m0 * m0 - q2 ) / ( 2.0 * m ),
+ Prho = sqrt( ( Erho - m0 ) * ( Erho + m0 ) );
+
+ p4meson.set( Erho, 0.0, 0.0, -Prho );
+ p4w.set( m - Erho, 0.0, 0.0, Prho );
+
+ //This is in the W rest frame
+ double Elep = sqrt( q2 ) * 0.5,
+ Plep = sqrt( Elep * Elep - mass[1] * mass[1] );
+
+ const int nj = 3 + 2 + 4 + 8 + 32;
+ double cmin = -1, cmax = 1, dc = ( cmax - cmin ) / ( nj - 1 );
+ double maxprob = 0;
+ for ( int j = 0; j < nj; j++ ) {
+ double c = cmin + dc * j;
- poleSize = 0.04 * ( maxpole / maxfoundprob ) * 4 * ( mass[1] * mass[1] );
+ //These are in the W rest frame. Need to boost out into the B frame.
+ double Py = Plep * sqrt( 1.0 - c * c ), Pz = Plep * c;
+ p4lepton1.set( Elep, 0.0, Py, Pz );
+ p4lepton2.set( Elep, 0.0, -Py, -Pz );
- //poleSize=0.002;
+ p4lepton1 = boostTo( p4lepton1, p4w );
+ p4lepton2 = boostTo( p4lepton2, p4w );
- //cout <<"maxfoundprob,maxpole,poleSize:"<<maxfoundprob<<" "
- // <<maxpole<<" "<<poleSize<<endl;
+ //Now initialize the daughters...
+ daughter->init( meson, p4meson );
+ lep1->init( lepton1, p4lepton1 );
+ lep2->init( lepton2, p4lepton2 );
+ CalcAmp( root_part, amp, FormFactors );
+ double prob = rho.normalizedProb( amp.getSpinDensity() );
+ maxprob = std::max( maxprob, prob );
+ }
+ OUT << q2 << " " << maxprob << "\n";
+ }
+ }
+
+ root_part->deleteTree();
- maxfoundprob *= 1.15;
+ // poleSize = 0.04 * ( maxpole / maxfoundprob ) * q2min;
+ poleSize = ( maxpole / maxfoundprob ) * q2min;
+ std::cout << "max " << maxfoundprob << " " << maxpole << " " << poleSize
+ << std::endl;
+ // maxfoundprob *= 1.5e-3; return maxfoundprob; // with resonances
+ // maxfoundprob *= 4e-7; return maxfoundprob;
+ // maxfoundprob *= 3.7e-4; return maxfoundprob; // with resonances
- return maxfoundprob;
+ return maxfoundprob * 3; // without resonances
+ return maxfoundprob / 1000 * 3.5;
}
EvtComplex EvtbTosllAmp::GetC7Eff( double q2, bool nnlo )
diff --git a/src/EvtGenModels/EvtbTosllBSZFF.cpp b/src/EvtGenModels/EvtbTosllBSZFF.cpp
new file mode 100644
--- /dev/null
+++ b/src/EvtGenModels/EvtbTosllBSZFF.cpp
@@ -0,0 +1,112 @@
+#include "EvtGenModels/EvtbTosllBSZFF.hh"
+
+#include "EvtGenBase/EvtPDL.hh"
+
+#include <cmath>
+
+inline double poly( double x, int n, const double* c )
+{
+ double t = c[--n];
+ while ( n-- )
+ t = c[n] + x * t;
+ return t;
+}
+
+void EvtbTosllBSZFF::getVectorFF( EvtId pId, EvtId, double q2, double mV,
+ double& a1, double& a2, double& a0, double& v,
+ double& t1, double& t2, double& t3 )
+{
+ const static double alfa[7][4] = {
+ // coefficients are from https://arxiv.org/src/1503.05534v3/anc/BKstar_LCSR-Lattice.json
+ // m_res, c0, c1, c2
+ { 5.415000, 0.376313, -1.165970, 2.424430 }, // V
+ { 5.366000, 0.369196, -1.365840, 0.128191 }, // A0
+ { 5.829000, 0.297250, 0.392378, 1.189160 }, // A1
+ { 5.829000, 0.265375, 0.533638, 0.483166 }, // A12
+ { 5.415000, 0.312055, -1.008930, 1.527200 }, // T1
+ { 5.829000, 0.312055, 0.496846, 1.614310 }, // T2
+ { 5.829000, 0.667412, 1.318120, 3.823340 } // T12
+ // ffv1
+ // {5.415000, 0.376313+0.033259, -1.165970+0.123496, 2.424430-0.038413},
+ // {5.366000, 0.369196-0.000870, -1.365840+0.158886, 0.128191+0.705349},
+ // {5.829000, 0.297250-0.023744, 0.392378-0.128900, 1.189160-0.207408},
+ // {5.829000, 0.265375-0.008545, 0.533638+0.108205, 0.483166+0.435457},
+ // {5.415000, 0.312055-0.001346, -1.008930-0.198232, 1.527200-2.387283},
+ // {5.829000, 0.312055-0.038173, 0.496846-0.067891, 1.614310+0.349193},
+ // {5.829000, 0.667412+0.036716, 1.318120-0.038069, 3.823340+0.606166},
+
+ // ffv2
+ // {5.415000, 0.376313-0.041113, -1.165970-0.045535, 2.424430+1.137686},
+ // {5.366000, 0.369196-0.003901, -1.365840-0.121212, 0.128191-0.729504},
+ // {5.829000, 0.297250+0.048609, 0.392378+0.210965, 1.189160+0.906521},
+ // {5.829000, 0.265375+0.000100, 0.533638-0.042370, 0.483166+0.284835},
+ // {5.415000, 0.312055+0.002605, -1.008930+0.215231, 1.527200+2.604514},
+ // {5.829000, 0.312055-0.003748, 0.496846-0.039576, 1.614310-0.241782},
+ // {5.829000, 0.667412-0.007496, 1.318120-0.252147, 3.823340-1.210450},
+
+ // ffv3
+ // {5.415000, 0.376313+0.000735, -1.165970-0.007790, 2.424430-1.608712},
+ // {5.366000, 0.369196+0.050484, -1.365840+0.217869, 0.128191-0.479841},
+ // {5.829000, 0.297250-0.031106, 0.392378-0.314969, 1.189160-2.128420},
+ // {5.829000, 0.265375+0.027843, 0.533638+0.155898, 0.483166+0.413373},
+ // {5.415000, 0.312055+0.006707, -1.008930-0.112003, 1.527200-1.779484},
+ // {5.829000, 0.312055-0.021665, 0.496846-0.400001, 1.614310-2.018040},
+ // {5.829000, 0.667412-0.078741, 1.318120-0.140305, 3.823340+3.390407},
+
+ // ffv4
+ // {5.415000, 0.376313-0.015611, -1.165970-0.474344, 2.424430-1.821098},
+ // {5.366000, 0.369196+0.051546, -1.365840+0.113835, 0.128191-0.334548},
+ // {5.829000, 0.297250-0.009712, 0.392378-0.144326, 1.189160-0.880261},
+ // {5.829000, 0.265375-0.006262, 0.533638-0.036838, 0.483166+0.208676},
+ // {5.415000, 0.312055+0.012515, -1.008930+0.057467, 1.527200+1.067426},
+ // {5.829000, 0.312055+0.009879, 0.496846-0.025578, 1.614310+0.063207},
+ // {5.829000, 0.667412+0.088066, 1.318120+0.306504, 3.823340-1.852577},
+
+ // ffv5
+ // {5.415000, 0.376313+0.009252, -1.165970-0.073415, 2.424430-1.479015},
+ // {5.366000, 0.369196-0.037582, -1.365840-0.015347, 0.128191+1.217427},
+ // {5.829000, 0.297250-0.039144, 0.392378-0.016291, 1.189160+1.097737},
+ // {5.829000, 0.265375-0.003710, 0.533638-0.047800, 0.483166-0.066831},
+ // {5.415000, 0.312055-0.012360, -1.008930+0.139269, 1.527200+1.496325},
+ // {5.829000, 0.312055+0.002256, 0.496846+0.142894, 1.614310+1.115639},
+ // {5.829000, 0.667412-0.089004, 1.318120-0.037696, 3.823340+2.278156},
+ };
+
+ double mB = EvtPDL::getMeanMass( pId );
+ double mBaV = mB + mV, mBsV = mB - mV;
+ double tp = mBaV * mBaV; // t_{+} = (m_B + m_V)^2
+ double s0 = sqrt(
+ 2 * mBaV *
+ sqrt( mB * mV ) ); // sqrt(t_{+} - t_{+}*(1 - sqrt(1 - t_{-}/t_{+})))
+ double z0 = ( mBaV - s0 ) /
+ ( mBaV + s0 ); // (sqrt(t_{+}) - s0)/(sqrt(t_{+}) + s0)
+
+ double s = sqrt( tp - q2 ), z = ( s - s0 ) / ( s + s0 ), dz = z - z0, ff[7];
+ for ( int j = 0; j < 7; j++ ) {
+ double mR = alfa[j][0], mR2 = mR * mR;
+ ff[j] = ( mR2 / ( mR2 - q2 ) ) * poly( dz, 3, alfa[j] + 1 );
+ }
+
+ // Källén-function
+ // arXiv:1503.05534 Eq. D.3
+ double lambda = ( mBaV * mBaV - q2 ) * ( mBsV * mBsV - q2 );
+
+ v = ff[0];
+ a0 = ff[1];
+ a1 = ff[2];
+ // Eq. D.5 arXiv:1503.05534
+ // A12 = (mBaV*mBaV*(mBaV*mBsV - q2)*A1 - lambda(q2)*A2)/(16*mB*mV*mV*mBaV);
+ double a12 = ff[3];
+ a2 = mBaV *
+ ( ( mBaV * ( mBaV * mBsV - q2 ) ) * a1 - ( 16 * mB * mV * mV ) * a12 ) /
+ lambda;
+ t1 = ff[4];
+ t2 = ff[5];
+ // Eq. D.5 arXiv:1503.05534
+ // T23 = mBaV*mBsV*(mB*mB + 3*mV*mV - q2)*T2 - lambda(q2)*T3)/(8*mB*mV*mV*mBsV);
+ double t23 = ff[6];
+ t3 = mBsV *
+ ( mBaV * ( mB * mB + 3 * mV * mV - q2 ) * t2 -
+ ( 8 * mB * mV * mV ) * t23 ) /
+ lambda;
+}
diff --git a/src/EvtGenModels/EvtbTosllBallFF.cpp b/src/EvtGenModels/EvtbTosllBallFF.cpp
--- a/src/EvtGenModels/EvtbTosllBallFF.cpp
+++ b/src/EvtGenModels/EvtbTosllBallFF.cpp
@@ -30,10 +30,27 @@
_theFFModel = ffmodel;
}
+static EvtId IdKp, IdKm, IdKS, IdK0, IdaK0, IdKL, IdPip, IdPim, IdPi0, IdEta,
+ IdEtap;
+static bool sfirst = true;
void EvtbTosllBallFF::getScalarFF( EvtId parent, EvtId daught, double t,
double /*mass*/, double& fp, double& f0,
double& ft )
{
+ if ( sfirst ) {
+ sfirst = false;
+ IdKp = EvtPDL::getId( "K+" );
+ IdKm = EvtPDL::getId( "K-" );
+ IdKS = EvtPDL::getId( "K_S0" );
+ IdK0 = EvtPDL::getId( "K0" );
+ IdaK0 = EvtPDL::getId( "anti-K0" );
+ IdKL = EvtPDL::getId( "K_L0" );
+ IdPip = EvtPDL::getId( "pi+" );
+ IdPim = EvtPDL::getId( "pi-" );
+ IdPi0 = EvtPDL::getId( "pi0" );
+ IdEta = EvtPDL::getId( "eta" );
+ IdEtap = EvtPDL::getId( "eta'" );
+ }
int model = _theFFModel;
double m = EvtPDL::getMeanMass( parent );
@@ -43,12 +60,8 @@
double shat2 = shat * shat;
double shat3 = shat2 * shat;
- if ( daught == EvtPDL::getId( std::string( "K+" ) ) ||
- daught == EvtPDL::getId( std::string( "K-" ) ) ||
- daught == EvtPDL::getId( std::string( "K_S0" ) ) ||
- daught == EvtPDL::getId( std::string( "K0" ) ) ||
- daught == EvtPDL::getId( std::string( "anti-K0" ) ) ||
- daught == EvtPDL::getId( std::string( "K_L0" ) ) ) {
+ if ( daught == IdKp || daught == IdKm || daught == IdKS || daught == IdK0 ||
+ daught == IdaK0 || daught == IdKL ) {
// B --> K form factors
if ( model == 1 ) {
//this is Ali-Ball '01 (or really Ali-Ball'99 minimum allowed)
@@ -97,9 +110,7 @@
ft = ( 0.1851 / ( 1. - ( t / 29.30 ) ) ) +
( 0.1905 / ( 1. - ( t / 29.30 ) ) / ( 1. - ( t / 29.30 ) ) );
}
- } else if ( daught == EvtPDL::getId( std::string( "pi+" ) ) ||
- daught == EvtPDL::getId( std::string( "pi-" ) ) ||
- daught == EvtPDL::getId( std::string( "pi0" ) ) ) {
+ } else if ( daught == IdPip || daught == IdPim || daught == IdPi0 ) {
if ( model == 1 ) {
// B --> pi form factors from Ball-Zwicky'01 (tabulated in hep-ph/0306251)
fp = 0.261 / ( 1. - 2.03 * shat + 1.293 * shat * shat );
@@ -155,8 +166,7 @@
ft = ( 0.152 / ( 1. - ( t / ( 5.32 * 5.32 ) ) ) ) +
( 0.122 / ( 1. - ( t / 28.40 ) ) / ( 1. - ( t / 28.40 ) ) );
}
- } else if ( daught == EvtPDL::getId( std::string( "eta" ) ) ||
- daught == EvtPDL::getId( std::string( "eta'" ) ) ) {
+ } else if ( daught == IdEta || daught == IdEtap ) {
if ( model == 1 ) {
// B --> eta form factors
fp = 0.261 / ( 1. - 2.03 * shat + 1.293 * shat * shat );
@@ -185,11 +195,30 @@
// <<"ft "<<ft<<endl;
}
+static EvtId IdBs, IdaBs, IdRhop, IdRhom, IdRho0, IdOmega, IdKst0, IdaKst0,
+ IdKstp, IdKstm, IdPhi, IdK1p, IdK1m;
+static bool vfirst = true;
void EvtbTosllBallFF::getVectorFF( EvtId parent, EvtId daught, double t,
double /*mass*/, double& a1, double& a2,
double& a0, double& v, double& t1,
double& t2, double& t3 )
{
+ if ( vfirst ) {
+ vfirst = false;
+ IdBs = EvtPDL::getId( "B_s0" );
+ IdaBs = EvtPDL::getId( "anti-B_s0" );
+ IdRhop = EvtPDL::getId( "rho+" );
+ IdRhom = EvtPDL::getId( "rho-" );
+ IdRho0 = EvtPDL::getId( "rho0" );
+ IdOmega = EvtPDL::getId( "omega" );
+ IdKst0 = EvtPDL::getId( "K*0" );
+ IdaKst0 = EvtPDL::getId( "anti-K*0" );
+ IdKstp = EvtPDL::getId( "K*+" );
+ IdKstm = EvtPDL::getId( "K*-" );
+ IdPhi = EvtPDL::getId( "phi" );
+ IdK1p = EvtPDL::getId( "K_1+" );
+ IdK1m = EvtPDL::getId( "K_1-" );
+ }
int model = _theFFModel;
double m = EvtPDL::getMeanMass( parent );
@@ -198,14 +227,8 @@
double shat = t / ( m * m );
double shat2 = shat * shat;
- if (
- // B_s decay form factors
- parent == EvtPDL::getId( std::string( "B_s0" ) ) ||
- parent == EvtPDL::getId( std::string( "anti-B_s0" ) ) ) {
- if (
- // B_s --> K* form factors
- daught == EvtPDL::getId( std::string( "K*0" ) ) ||
- daught == EvtPDL::getId( std::string( "anti-K*0" ) ) ) {
+ if ( parent == IdBs || parent == IdaBs ) { // B_s decay form factors
+ if ( daught == IdKst0 || daught == IdaKst0 ) { // B_s --> K* form factors
if ( model == 6 ) {
// Ball-Zwicky LCSR '05 (mb = 4.8)
a1 = 0.231 / ( 1. - ( t / 32.94 ) );
@@ -228,9 +251,7 @@
}
}
- else if (
- // B_s --> phi form factors
- daught == EvtPDL::getId( std::string( "phi" ) ) ) {
+ else if ( daught == IdPhi ) { // B_s --> phi form factors
if ( model == 6 ) {
// Ball-Zwicky LCSR '05 (mb = 4.8)
a1 = 0.308 / ( 1. - ( t / 36.54 ) );
@@ -253,14 +274,8 @@
}
}
}
- } else if ( daught == EvtPDL::getId( std::string( "K*+" ) ) ||
- daught == EvtPDL::getId( std::string( "K*-" ) ) ||
- daught == EvtPDL::getId( std::string( "K*0" ) ) ||
- daught == EvtPDL::getId( std::string( "anti-K*0" ) ) ||
- daught == EvtPDL::getId( std::string( "K_1+" ) ) ||
- daught == EvtPDL::getId( std::string( "K_1-" ) )
-
- ) {
+ } else if ( daught == IdKstp || daught == IdKstm || daught == IdKst0 ||
+ daught == IdaKst0 || daught == IdK1p || daught == IdK1m ) {
if ( model == 1 ) {
//this is Ali-Ball '01
a1 = 0.294 * exp( 0.656 * shat + 0.456 * shat2 );
@@ -372,9 +387,7 @@
( 1 +
( -10.3 ) * ( z - z0 + 0.5 * ( ( z * z ) - ( z0 * z0 ) ) ) );
}
- } else if ( daught == EvtPDL::getId( std::string( "rho+" ) ) ||
- daught == EvtPDL::getId( std::string( "rho-" ) ) ||
- daught == EvtPDL::getId( std::string( "rho0" ) ) ) {
+ } else if ( daught == IdRhop || daught == IdRhom || daught == IdRho0 ) {
if ( model == 1 ) {
// B --> rho form factors
a1 = 0.261 / ( 1. - 0.29 * shat - 0.415 * shat * shat );
@@ -406,7 +419,7 @@
t3 = ( m * m - md * md ) * ( t3tilde - t2 ) / t;
}
}
- } else if ( daught == EvtPDL::getId( std::string( "omega" ) ) ) {
+ } else if ( daught == IdOmega ) {
if ( model == 1 ) {
// B --> rho form factors
a1 = 0.261 / ( 1. - 0.29 * shat - 0.415 * shat * shat );
diff --git a/src/EvtGenModels/EvtbTosllMSFF.cpp b/src/EvtGenModels/EvtbTosllMSFF.cpp
--- a/src/EvtGenModels/EvtbTosllMSFF.cpp
+++ b/src/EvtGenModels/EvtbTosllMSFF.cpp
@@ -78,10 +78,10 @@
daught == EvtPDL::getId( std::string( "K_L0" ) ) ) ||
( parent == EvtPDL::getId( std::string( "anti-B0" ) ) &&
daught == EvtPDL::getId( std::string( "K_L0" ) ) ) ) {
- double ff0[] = {0.36, 0.36, 0.35};
- double sigma1[] = {0.43, 0.70, 0.43};
- double sigma2[] = {0.00, 0.27, 0.00};
- int eq_num[] = {9, 10, 9};
+ double ff0[] = { 0.36, 0.36, 0.35 };
+ double sigma1[] = { 0.43, 0.70, 0.43 };
+ double sigma2[] = { 0.00, 0.27, 0.00 };
+ int eq_num[] = { 9, 10, 9 };
double M_P2 = 5.37 * 5.37; // GeV^2 for B^0_s - meson
double M_V2 = 5.42 * 5.42; // GeV^2 for B^*_s - meson
@@ -105,10 +105,10 @@
daught == EvtPDL::getId( std::string( "pi0" ) ) ) ||
( parent == EvtPDL::getId( std::string( "anti-B0" ) ) &&
daught == EvtPDL::getId( std::string( "pi0" ) ) ) ) {
- double ff0[] = {0.29, 0.29, 0.28};
- double sigma1[] = {0.48, 0.76, 0.48};
- double sigma2[] = {0.00, 0.28, 0.00};
- int eq_num[] = {9, 10, 9};
+ double ff0[] = { 0.29, 0.29, 0.28 };
+ double sigma1[] = { 0.48, 0.76, 0.48 };
+ double sigma2[] = { 0.00, 0.28, 0.00 };
+ int eq_num[] = { 9, 10, 9 };
double M_P2 = 5.27 * 5.27; // GeV^2 for B^0 - meson
double M_V2 = 5.32 * 5.32; // GeV^2 for B^* - meson
@@ -128,10 +128,10 @@
daught == EvtPDL::getId( std::string( "eta" ) ) ) ||
( parent == EvtPDL::getId( std::string( "anti-B0" ) ) &&
daught == EvtPDL::getId( std::string( "eta" ) ) ) ) {
- double ff0[] = {0.36, 0.36, 0.36};
- double sigma1[] = {0.60, 0.80, 0.58};
- double sigma2[] = {0.20, 0.40, 0.18};
- int eq_num[] = {9, 10, 9};
+ double ff0[] = { 0.36, 0.36, 0.36 };
+ double sigma1[] = { 0.60, 0.80, 0.58 };
+ double sigma2[] = { 0.20, 0.40, 0.18 };
+ int eq_num[] = { 9, 10, 9 };
double M_P2 = 5.27 * 5.27; // GeV^2 for B_d^0 - meson
double M_V2 = 5.32 * 5.32; // GeV^2 for B_d^* - meson
@@ -154,10 +154,10 @@
daught == EvtPDL::getId( std::string( "eta'" ) ) ) ||
( parent == EvtPDL::getId( std::string( "anti-B0" ) ) &&
daught == EvtPDL::getId( std::string( "eta'" ) ) ) ) {
- double ff0[] = {0.36, 0.36, 0.39};
- double sigma1[] = {0.60, 0.80, 0.58};
- double sigma2[] = {0.20, 0.45, 0.18};
- int eq_num[] = {9, 10, 9};
+ double ff0[] = { 0.36, 0.36, 0.39 };
+ double sigma1[] = { 0.60, 0.80, 0.58 };
+ double sigma2[] = { 0.20, 0.45, 0.18 };
+ int eq_num[] = { 9, 10, 9 };
double M_P2 = 5.27 * 5.27; // GeV^2 for B_d^0 - meson
double M_V2 = 5.32 * 5.32; // GeV^2 for B_d^* - meson
@@ -177,10 +177,10 @@
daught == EvtPDL::getId( std::string( "eta" ) ) ) ||
( parent == EvtPDL::getId( std::string( "anti-B_s0" ) ) &&
daught == EvtPDL::getId( std::string( "eta" ) ) ) ) {
- double ff0[] = {0.36, 0.36, 0.36};
- double sigma1[] = {0.60, 0.80, 0.58};
- double sigma2[] = {0.20, 0.40, 0.18};
- int eq_num[] = {9, 10, 9};
+ double ff0[] = { 0.36, 0.36, 0.36 };
+ double sigma1[] = { 0.60, 0.80, 0.58 };
+ double sigma2[] = { 0.20, 0.40, 0.18 };
+ int eq_num[] = { 9, 10, 9 };
double M_P2 = 5.37 * 5.37; // GeV^2 for B_s^0 - meson
double M_V2 = 5.42 * 5.42; // GeV^2 for B_s^* - meson
@@ -200,10 +200,10 @@
daught == EvtPDL::getId( std::string( "eta'" ) ) ) ||
( parent == EvtPDL::getId( std::string( "anti-B_s0" ) ) &&
daught == EvtPDL::getId( std::string( "eta'" ) ) ) ) {
- double ff0[] = {0.36, 0.36, 0.39};
- double sigma1[] = {0.60, 0.80, 0.58};
- double sigma2[] = {0.20, 0.45, 0.18};
- int eq_num[] = {9, 10, 9};
+ double ff0[] = { 0.36, 0.36, 0.39 };
+ double sigma1[] = { 0.60, 0.80, 0.58 };
+ double sigma2[] = { 0.20, 0.45, 0.18 };
+ int eq_num[] = { 9, 10, 9 };
double M_P2 = 5.37 * 5.37; // GeV^2 for B_s^0 - meson
double M_V2 = 5.42 * 5.42; // GeV^2 for B_s^* - meson
@@ -223,10 +223,10 @@
daught == EvtPDL::getId( std::string( "f_0" ) ) ) ||
( parent == EvtPDL::getId( std::string( "anti-B_s0" ) ) &&
daught == EvtPDL::getId( std::string( "f_0" ) ) ) ) {
- double ff0[] = {0.238, 0.238, 0.308};
- double sigma1[] = {1.50, 0.53, 1.46};
- double sigma2[] = {0.58, -0.36, 0.58};
- int eq_num[] = {10, 10, 10};
+ double ff0[] = { 0.238, 0.238, 0.308 };
+ double sigma1[] = { 1.50, 0.53, 1.46 };
+ double sigma2[] = { 0.58, -0.36, 0.58 };
+ int eq_num[] = { 10, 10, 10 };
double M_P2 = 5.366 * 5.366; // GeV^2 for B_s^0 - meson
fp = 0.0 -
@@ -274,10 +274,10 @@
daught == EvtPDL::getId( std::string( "K*0" ) ) ) ||
( parent == EvtPDL::getId( std::string( "anti-B0" ) ) &&
daught == EvtPDL::getId( std::string( "anti-K*0" ) ) ) ) {
- double ff0[] = {0.44, 0.45, 0.36, 0.32, 0.39, 0.39, 0.27};
- double sigma1[] = {0.45, 0.46, 0.64, 1.23, 0.45, 0.72, 1.31};
- double sigma2[] = {0.00, 0.00, 0.36, 0.38, 0.00, 0.62, 0.41};
- int eq_num[] = {9, 9, 10, 10, 9, 10, 10};
+ double ff0[] = { 0.44, 0.45, 0.36, 0.32, 0.39, 0.39, 0.27 };
+ double sigma1[] = { 0.45, 0.46, 0.64, 1.23, 0.45, 0.72, 1.31 };
+ double sigma2[] = { 0.00, 0.00, 0.36, 0.38, 0.00, 0.62, 0.41 };
+ int eq_num[] = { 9, 9, 10, 10, 9, 10, 10 };
double M_P2 = 5.37 * 5.37; // GeV^2 for B^0_s - meson
double M_V2 = 5.42 * 5.42; // GeV^2 for B^*_s - meson
@@ -306,10 +306,10 @@
daught == EvtPDL::getId( std::string( "rho0" ) ) ) ||
( parent == EvtPDL::getId( std::string( "anti-B0" ) ) &&
daught == EvtPDL::getId( std::string( "rho0" ) ) ) ) {
- double ff0[] = {0.31, 0.30, 0.26, 0.24, 0.27, 0.27, 0.19};
- double sigma1[] = {0.59, 0.54, 0.73, 1.40, 0.60, 0.74, 1.42};
- double sigma2[] = {0.00, 0.00, 0.10, 0.50, 0.00, 0.19, 0.51};
- int eq_num[] = {9, 9, 10, 10, 9, 10, 10};
+ double ff0[] = { 0.31, 0.30, 0.26, 0.24, 0.27, 0.27, 0.19 };
+ double sigma1[] = { 0.59, 0.54, 0.73, 1.40, 0.60, 0.74, 1.42 };
+ double sigma2[] = { 0.00, 0.00, 0.10, 0.50, 0.00, 0.19, 0.51 };
+ int eq_num[] = { 9, 9, 10, 10, 9, 10, 10 };
double M_P2 = 5.27 * 5.27; // GeV^2 for B - meson
double M_V2 = 5.32 * 5.32; // GeV^2 for B^* - meson
@@ -334,10 +334,10 @@
daught == EvtPDL::getId( std::string( "omega" ) ) ) ||
( parent == EvtPDL::getId( std::string( "anti-B0" ) ) &&
daught == EvtPDL::getId( std::string( "omega" ) ) ) ) {
- double ff0[] = {0.31, 0.30, 0.26, 0.24, 0.27, 0.27, 0.19};
- double sigma1[] = {0.59, 0.54, 0.73, 1.40, 0.60, 0.74, 1.42};
- double sigma2[] = {0.00, 0.00, 0.10, 0.50, 0.00, 0.19, 0.51};
- int eq_num[] = {9, 9, 10, 10, 9, 10, 10};
+ double ff0[] = { 0.31, 0.30, 0.26, 0.24, 0.27, 0.27, 0.19 };
+ double sigma1[] = { 0.59, 0.54, 0.73, 1.40, 0.60, 0.74, 1.42 };
+ double sigma2[] = { 0.00, 0.00, 0.10, 0.50, 0.00, 0.19, 0.51 };
+ int eq_num[] = { 9, 9, 10, 10, 9, 10, 10 };
double M_P2 = 5.27 * 5.27; // GeV^2 for B - meson
double M_V2 = 5.32 * 5.32; // GeV^2 for B^* - meson
@@ -362,10 +362,10 @@
daught == EvtPDL::getId( std::string( "phi" ) ) ) ||
( parent == EvtPDL::getId( std::string( "anti-B_s0" ) ) &&
daught == EvtPDL::getId( std::string( "phi" ) ) ) ) {
- double ff0[] = {0.44, 0.42, 0.34, 0.31, 0.38, 0.38, 0.26};
- double sigma1[] = {0.62, 0.55, 0.73, 1.30, 0.62, 0.83, 1.41};
- double sigma2[] = {0.20, 0.12, 0.42, 0.52, 0.20, 0.71, 0.57};
- int eq_num[] = {9, 9, 10, 10, 9, 10, 10};
+ double ff0[] = { 0.44, 0.42, 0.34, 0.31, 0.38, 0.38, 0.26 };
+ double sigma1[] = { 0.62, 0.55, 0.73, 1.30, 0.62, 0.83, 1.41 };
+ double sigma2[] = { 0.20, 0.12, 0.42, 0.52, 0.20, 0.71, 0.57 };
+ int eq_num[] = { 9, 9, 10, 10, 9, 10, 10 };
double M_P2 = 5.37 * 5.37; // GeV^2 for B^0_s - meson
double M_V2 = 5.42 * 5.42; // GeV^2 for B^*_s - meson
@@ -390,10 +390,10 @@
daught == EvtPDL::getId( std::string( "anti-K*0" ) ) ) ||
( parent == EvtPDL::getId( std::string( "anti-B_s0" ) ) &&
daught == EvtPDL::getId( std::string( "K*0" ) ) ) ) {
- double ff0[] = {0.38, 0.37, 0.29, 0.26, 0.32, 0.32, 0.23};
- double sigma1[] = {0.66, 0.60, 0.86, 1.32, 0.66, 0.98, 1.42};
- double sigma2[] = {0.30, 0.16, 0.60, 0.54, 0.31, 0.90, 0.62};
- int eq_num[] = {9, 9, 10, 10, 9, 10, 10};
+ double ff0[] = { 0.38, 0.37, 0.29, 0.26, 0.32, 0.32, 0.23 };
+ double sigma1[] = { 0.66, 0.60, 0.86, 1.32, 0.66, 0.98, 1.42 };
+ double sigma2[] = { 0.30, 0.16, 0.60, 0.54, 0.31, 0.90, 0.62 };
+ int eq_num[] = { 9, 9, 10, 10, 9, 10, 10 };
double M_P2 = 5.27 * 5.27; // GeV^2 for B - meson
double M_V2 = 5.32 * 5.32; // GeV^2 for B^* - meson
@@ -423,13 +423,13 @@
daught == EvtPDL::getId( std::string( "K_10" ) ) ) ||
( parent == EvtPDL::getId( std::string( "anti-B0" ) ) &&
daught == EvtPDL::getId( std::string( "anti-K_10" ) ) ) ) {
- double ff0A[] = {0.450, 0.340, 0.41, 0.22, 0.31, 0.310, 0.28};
- double sigma1A[] = {1.600, 0.635, 1.51, 2.40, 2.01, 0.629, 1.36};
- double sigma2A[] = {0.974, 0.211, 1.18, 1.78, 1.50, 0.387, 0.72};
- double ff0B[] = {-0.37, -0.29, -0.17, -0.45, -0.25, -0.250, -0.11};
- double sigma1B[] = {1.72, 0.729, 0.919, 1.34, 1.59, 0.378, -1.61};
- double sigma2B[] = {0.912, 0.074, 0.855, 0.69, 0.79, -0.755, 10.2};
- int eq_num[] = {10, 10, 10, 10, 10, 10, 10};
+ double ff0A[] = { 0.450, 0.340, 0.41, 0.22, 0.31, 0.310, 0.28 };
+ double sigma1A[] = { 1.600, 0.635, 1.51, 2.40, 2.01, 0.629, 1.36 };
+ double sigma2A[] = { 0.974, 0.211, 1.18, 1.78, 1.50, 0.387, 0.72 };
+ double ff0B[] = { -0.37, -0.29, -0.17, -0.45, -0.25, -0.250, -0.11 };
+ double sigma1B[] = { 1.72, 0.729, 0.919, 1.34, 1.59, 0.378, -1.61 };
+ double sigma2B[] = { 0.912, 0.074, 0.855, 0.69, 0.79, -0.755, 10.2 };
+ int eq_num[] = { 10, 10, 10, 10, 10, 10, 10 };
double MM2 = 5.279 * 5.279; // GeV^2
double MB = 5.279; // GeV
@@ -514,13 +514,13 @@
daught == EvtPDL::getId( std::string( "K'_10" ) ) ) ||
( parent == EvtPDL::getId( std::string( "anti-B0" ) ) &&
daught == EvtPDL::getId( std::string( "anti-K'_10" ) ) ) ) {
- double ff0A[] = {0.450, 0.340, 0.41, 0.22, 0.31, 0.310, 0.28};
- double sigma1A[] = {1.600, 0.635, 1.51, 2.40, 2.01, 0.629, 1.36};
- double sigma2A[] = {0.974, 0.211, 1.18, 1.78, 1.50, 0.387, 0.72};
- double ff0B[] = {-0.37, -0.29, -0.17, -0.45, -0.25, -0.250, -0.11};
- double sigma1B[] = {1.72, 0.729, 0.919, 1.34, 1.59, 0.378, -1.61};
- double sigma2B[] = {0.912, 0.074, 0.855, 0.69, 0.79, -0.755, 10.2};
- int eq_num[] = {10, 10, 10, 10, 10, 10, 10};
+ double ff0A[] = { 0.450, 0.340, 0.41, 0.22, 0.31, 0.310, 0.28 };
+ double sigma1A[] = { 1.600, 0.635, 1.51, 2.40, 2.01, 0.629, 1.36 };
+ double sigma2A[] = { 0.974, 0.211, 1.18, 1.78, 1.50, 0.387, 0.72 };
+ double ff0B[] = { -0.37, -0.29, -0.17, -0.45, -0.25, -0.250, -0.11 };
+ double sigma1B[] = { 1.72, 0.729, 0.919, 1.34, 1.59, 0.378, -1.61 };
+ double sigma2B[] = { 0.912, 0.074, 0.855, 0.69, 0.79, -0.755, 10.2 };
+ int eq_num[] = { 10, 10, 10, 10, 10, 10, 10 };
double MM2 = 5.279 * 5.279; // GeV^2
double MB = 5.279; // GeV
diff --git a/src/EvtGenModels/EvtbTosllNP.cpp b/src/EvtGenModels/EvtbTosllNP.cpp
new file mode 100644
--- /dev/null
+++ b/src/EvtGenModels/EvtbTosllNP.cpp
@@ -0,0 +1,138 @@
+
+/***********************************************************************
+* Copyright 1998-2020 CERN for the benefit of the EvtGen authors *
+* *
+* This file is part of EvtGen. *
+* *
+* EvtGen is free software: you can redistribute it and/or modify *
+* it under the terms of the GNU General Public License as published by *
+* the Free Software Foundation, either version 3 of the License, or *
+* (at your option) any later version. *
+* *
+* EvtGen is distributed in the hope that it will be useful, *
+* but WITHOUT ANY WARRANTY; without even the implied warranty of *
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
+* GNU General Public License for more details. *
+* *
+* You should have received a copy of the GNU General Public License *
+* along with EvtGen. If not, see <https://www.gnu.org/licenses/>. *
+***********************************************************************/
+
+#include "EvtGenModels/EvtbTosllNP.hh"
+
+#include "EvtGenBase/EvtGenKine.hh"
+#include "EvtGenBase/EvtPDL.hh"
+#include "EvtGenBase/EvtParticle.hh"
+
+#include "EvtGenModels/EvtbTosllAmp.hh"
+#include "EvtGenModels/EvtbTosllBSZFF.hh"
+#include "EvtGenModels/EvtbTosllVectorAmpNP.hh"
+
+using std::endl;
+
+std::string EvtbTosllNP::getName()
+{
+ return "BTOSLLNP";
+}
+
+EvtDecayBase* EvtbTosllNP::clone()
+{
+ return new EvtbTosllNP;
+}
+
+void EvtbTosllNP::decay( EvtParticle* p )
+{
+ setWeight( p->initializePhaseSpace( getNDaug(), getDaugs(), false,
+ _poleSize, 1, 2 ) );
+ _calcamp->CalcAmp( p, _amp2, _ffmodel.get() );
+}
+
+void EvtbTosllNP::initProbMax()
+{
+ EvtId pId = getParentId(), mId = getDaug( 0 ), l1Id = getDaug( 1 ),
+ l2Id = getDaug( 2 );
+ //This routine sets the _poleSize.
+ double mymaxprob = _calcamp->CalcMaxProb( pId, mId, l1Id, l2Id,
+ _ffmodel.get(), _poleSize );
+ setProbMax( mymaxprob );
+}
+
+void EvtbTosllNP::init()
+{
+ // First choose format of NP coefficients from the .DEC file
+ // Cartesian(x,y)(0) or Polar(R,phase)(1)
+ int n = getNArg();
+ if ( !( n == 0 || ( n - 1 ) % 3 == 0 ) ) {
+ EvtGenReport( EVTGEN_ERROR, "EvtGen" )
+ << "Error in parameters in the BTOSLLNP decay model." << endl;
+ EvtGenReport( EVTGEN_ERROR, "EvtGen" )
+ << "Will terminate execution!" << endl;
+ ::abort();
+ }
+
+ checkNDaug( 3 );
+
+ //We expect the parent to be a scalar
+ //and the daughters to be K* lepton+ lepton-
+
+ checkSpinParent( EvtSpinType::SCALAR );
+ checkSpinDaughter( 1, EvtSpinType::DIRAC );
+ checkSpinDaughter( 2, EvtSpinType::DIRAC );
+
+ EvtId mId = getDaug( 0 );
+ EvtId IdKst0 = EvtPDL::getId( "K*0" ), IdaKst0 = EvtPDL::getId( "anti-K*0" ),
+ IdKstp = EvtPDL::getId( "K*+" ), IdKstm = EvtPDL::getId( "K*-" );
+ if ( mId != IdKst0 && mId != IdaKst0 && mId != IdKstp && mId != IdKstm ) {
+ EvtGenReport( EVTGEN_ERROR, "EvtGen" )
+ << "EvtbTosllNP generator expected a K* 1st daughter, found: "
+ << EvtPDL::name( getDaug( 0 ) ) << endl;
+ EvtGenReport( EVTGEN_ERROR, "EvtGen" )
+ << "Will terminate execution!" << endl;
+ ::abort();
+ }
+
+ _ffmodel = std::make_unique<EvtbTosllBSZFF>();
+ _calcamp = std::make_unique<EvtbTosllVectorAmpNP>();
+
+ auto getInteger = [this]( int i ) -> int {
+ double a = getArg( i );
+ if ( a - static_cast<int>( a ) != 0 ) {
+ EvtGenReport( EVTGEN_ERROR, "EvtGen" )
+ << "Parameters is not integer in the BTOSLLNP decay model: " << i
+ << " " << a << endl;
+ EvtGenReport( EVTGEN_ERROR, "EvtGen" )
+ << "Will terminate execution!" << endl;
+ ::abort();
+ }
+ return static_cast<int>( a );
+ };
+ EvtbTosllVectorAmpNP* amp = static_cast<EvtbTosllVectorAmpNP*>(
+ _calcamp.get() );
+ if ( n > 0 ) { // parse arguments
+ int i = 0, coordsyst = getInteger( i++ );
+ while ( i < n ) {
+ int id = getInteger( i++ ); // New Physics cooeficient Id
+ double a0 = getArg( i++ );
+ double a1 = getArg( i++ );
+ EvtComplex c = ( coordsyst )
+ ? EvtComplex( a0 * cos( a1 ), a0 * sin( a1 ) )
+ : EvtComplex( a0, a1 );
+ if ( id == 0 )
+ amp->m_dc7 = c; // delta C_7eff
+ if ( id == 1 )
+ amp->m_dc9 = c; // delta C_9eff
+ if ( id == 2 )
+ amp->m_dc10 = c; // delta C_10eff
+ if ( id == 3 )
+ amp->m_c7p = c; // C'_7eff -- right hand polarizations
+ if ( id == 4 )
+ amp->m_c9p = c; // C'_9eff -- right hand polarizations
+ if ( id == 5 )
+ amp->m_c10p = c; // c'_10eff -- right hand polarizations
+ if ( id == 6 )
+ amp->m_cS = c; // (C_S - C'_S) -- scalar right and left polarizations
+ if ( id == 7 )
+ amp->m_cP = c; // (C_P - C'_P) -- pseudo-scalar right and left polarizations
+ }
+ }
+}
diff --git a/src/EvtGenModels/EvtbTosllNPR.cpp b/src/EvtGenModels/EvtbTosllNPR.cpp
new file mode 100644
--- /dev/null
+++ b/src/EvtGenModels/EvtbTosllNPR.cpp
@@ -0,0 +1,402 @@
+
+/***********************************************************************
+* Copyright 1998-2020 CERN for the benefit of the EvtGen authors *
+* *
+* This file is part of EvtGen. *
+* *
+* EvtGen is free software: you can redistribute it and/or modify *
+* it under the terms of the GNU General Public License as published by *
+* the Free Software Foundation, either version 3 of the License, or *
+* (at your option) any later version. *
+* *
+* EvtGen is distributed in the hope that it will be useful, *
+* but WITHOUT ANY WARRANTY; without even the implied warranty of *
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
+* GNU General Public License for more details. *
+* *
+* You should have received a copy of the GNU General Public License *
+* along with EvtGen. If not, see <https://www.gnu.org/licenses/>. *
+***********************************************************************/
+
+#include "EvtGenModels/EvtbTosllNPR.hh"
+
+#include "EvtGenBase/EvtGenKine.hh"
+#include "EvtGenBase/EvtPDL.hh"
+#include "EvtGenBase/EvtParticle.hh"
+#include "EvtGenBase/EvtScalarParticle.hh"
+
+#include "EvtGenModels/EvtbTosllAmp.hh"
+#include "EvtGenModels/EvtbTosllBSZFF.hh"
+#include "EvtGenModels/EvtbTosllVectorAmpNP.hh"
+
+#include <algorithm>
+#include <ccomplex>
+using std::endl;
+
+std::string EvtbTosllNPR::getName()
+{
+ return "BTOSLLNPR";
+}
+
+EvtDecayBase* EvtbTosllNPR::clone()
+{
+ return new EvtbTosllNPR;
+}
+
+void EvtbTosllNPR::decay( EvtParticle* p )
+{
+ static EvtVector4R p4[3];
+ static double mass[3];
+ double m_b = p->mass();
+ for ( int i = 0; i < 3; i++ )
+ mass[i] = p->getDaug( i )->mass();
+ EvtId* daughters = getDaugs();
+ double weight = EvtGenKine::PhaseSpacePole2( m_b, mass[2], mass[1], mass[0],
+ p4, _ls );
+ p->getDaug( 0 )->init( daughters[0], p4[2] );
+ p->getDaug( 1 )->init( daughters[1], p4[1] );
+ p->getDaug( 2 )->init( daughters[2], p4[0] );
+ setWeight( weight );
+ _calcamp->CalcAmp( p, _amp2, _ffmodel.get() );
+}
+
+struct ABW_t {
+ double Mv2, MGv, A;
+
+ ABW_t( double m, double gtot, double, double bll )
+ {
+ const double alpha = 1 / 137.035999084; // (+-21) PDG 2021
+ Mv2 = m * m;
+ MGv = m * gtot;
+ A = 3 * M_PI / ( alpha * alpha ) * bll * gtot;
+ }
+
+ std::complex<double> R( double s ) const
+ {
+ return A / std::complex<double>( s - Mv2, MGv );
+ }
+
+ void addknots( std::vector<double>& en ) const
+ {
+ double Mv = sqrt( Mv2 ), Gv = MGv / Mv;
+ double w = 0.6;
+ double smin = ( Mv - w * Gv ) * ( Mv - w * Gv );
+ double smax = ( Mv + w * Gv ) * ( Mv + w * Gv );
+ en.push_back( Mv * Mv );
+ for ( int i = 0, n = 30; i < n; i++ ) {
+ double s = smin + ( smax - smin ) * ( i + 0.5 ) / n;
+ en.push_back( s );
+ }
+ w = 2;
+ double smin1 = ( Mv - w * Gv ) * ( Mv - w * Gv );
+ double smax1 = ( Mv + w * Gv ) * ( Mv + w * Gv );
+ for ( int i = 0, n = 30; i < n; i++ ) {
+ double s = smin1 + ( smax1 - smin1 ) * ( i + 0.5 ) / n;
+ if ( s >= smin && s <= smax )
+ continue;
+ en.push_back( s );
+ }
+ w = 8;
+ double smin2 = ( Mv - w * Gv ) * ( Mv - w * Gv );
+ double smax2 = ( Mv + w * Gv ) * ( Mv + w * Gv );
+ for ( int i = 0, n = 30; i < n; i++ ) {
+ double s = smin2 + ( smax2 - smin2 ) * ( i + 0.5 ) / n;
+ if ( s >= smin1 && s <= smax1 )
+ continue;
+ en.push_back( s );
+ }
+ w = 30;
+ double smin3 = ( Mv - w * Gv ) * ( Mv - w * Gv );
+ double smax3 = ( Mv + w * Gv ) * ( Mv + w * Gv );
+ for ( int i = 0, n = 30; i < n; i++ ) {
+ double s = smin3 + ( smax3 - smin3 ) * ( i + 0.5 ) / n;
+ if ( s >= smin2 && s <= smax2 )
+ continue;
+ en.push_back( s );
+ }
+ w = 100;
+ double smin4 = ( Mv - w * Gv ) * ( Mv - w * Gv );
+ double smax4 = ( Mv + w * Gv ) * ( Mv + w * Gv );
+ for ( int i = 0, n = 20; i < n; i++ ) {
+ double s = smin4 + ( smax4 - smin4 ) * ( i + 0.5 ) / n;
+ if ( s >= smin3 && s <= smax3 )
+ continue;
+ en.push_back( s );
+ }
+ }
+};
+
+ABW_t ajpsi( 3.0969, 0.0926 / 1000, 0.0926 / 1000 * 0.877, 0.05971 );
+ABW_t apsi2s( 3.6861, 0.294 / 1000, 0.294 / 1000 * 0.9785, 0.00793 );
+ABW_t apsi3770( 3773.7 / 1000, 27.2 / 1000, 27.2 / 1000, 1e-5 );
+ABW_t apsi4040( 4039 / 1000., 80 / 1000., 80 / 1000., 1.07e-5 );
+ABW_t apsi4160( 4191 / 1000., 70 / 1000., 70 / 1000., 6.9e-6 );
+ABW_t apsi4230( 4220 / 1000., 60 / 1000., 60 / 1000., 1e-5 );
+
+std::complex<double> aR( double s )
+{
+ return ajpsi.R( s ) + apsi2s.R( s ) + apsi3770.R( s ) + apsi4040.R( s ) +
+ apsi4160.R( s ) + apsi4230.R( s );
+}
+
+std::vector<double> getgrid()
+{
+ const double m_c = 1.3, m_s = 0.2, m_e = 0.511e-3, MD0 = 1864.84 / 1000;
+
+ std::vector<ABW_t> v = { ajpsi, apsi2s, apsi3770,
+ apsi4040, apsi4160, apsi4230 };
+ std::vector<double> en;
+ for ( const auto& t : v )
+ t.addknots( en );
+
+ double smax = 25; //4.37*4.37;
+ for ( unsigned i = 0, n = 200; i < n; i++ ) {
+ double s = smax / n * ( i + 0.5 );
+ en.push_back( s );
+ }
+ en.push_back( ajpsi.Mv2 + 0.1 );
+ en.push_back( ajpsi.Mv2 - 0.1 );
+ en.push_back( ajpsi.Mv2 + 0.08 );
+ en.push_back( ajpsi.Mv2 - 0.08 );
+ en.push_back( ajpsi.Mv2 + 0.065 );
+ en.push_back( ajpsi.Mv2 - 0.065 );
+
+ double t0;
+ for ( t0 = 4 * m_e * m_e; t0 < 0.15; t0 *= 1.5 ) {
+ en.push_back( t0 );
+ }
+
+ for ( t0 = 4 * m_e * m_e; t0 < 0.5; t0 *= 1.5 ) {
+ en.push_back( 4 * MD0 * MD0 + t0 );
+ en.push_back( 4 * MD0 * MD0 - t0 );
+ }
+
+ en.push_back( 4 * m_c * m_c );
+ for ( t0 = 0.00125; t0 < 0.05; t0 *= 1.5 ) {
+ en.push_back( 4 * m_c * m_c + t0 );
+ en.push_back( 4 * m_c * m_c - t0 );
+ }
+
+ en.push_back( 4 * m_s * m_s );
+ for ( t0 = 0.00125; t0 < 0.1; t0 *= 1.5 ) {
+ en.push_back( 4 * m_s * m_s + t0 );
+ en.push_back( 4 * m_s * m_s - t0 );
+ }
+
+ std::sort( en.begin(), en.end() );
+
+ for ( std::vector<double>::iterator it = en.begin(); it != en.end(); it++ ) {
+ if ( *it > smax ) {
+ en.erase( it, en.end() );
+ break;
+ }
+ }
+ return en;
+}
+
+void EvtbTosllNPR::initProbMax()
+{
+ EvtId pId = getParentId(), mId = getDaug( 0 ), l1Id = getDaug( 1 ),
+ l2Id = getDaug( 2 );
+ // //This routine sets the _poleSize.
+ // double mymaxprob = _calcamp->CalcMaxProb( pId, mId, l1Id, l2Id, _ffmodel.get(), _poleSize );
+ // setProbMax( mymaxprob );
+
+ std::vector<double> v = getgrid();
+ std::vector<EvtPointf> pp;
+ EvtScalarParticle* scalar_part;
+ EvtParticle* root_part;
+
+ scalar_part = new EvtScalarParticle;
+
+ //cludge to avoid generating random numbers!
+ scalar_part->noLifeTime();
+
+ EvtVector4R p_init;
+
+ p_init.set( EvtPDL::getMass( pId ), 0.0, 0.0, 0.0 );
+ scalar_part->init( pId, p_init );
+ root_part = (EvtParticle*)scalar_part;
+ root_part->setDiagonalSpinDensity();
+
+ EvtParticle *daughter, *lep1, *lep2;
+
+ EvtAmp amp;
+
+ EvtId listdaug[3];
+ listdaug[0] = mId;
+ listdaug[1] = l1Id;
+ listdaug[2] = l2Id;
+
+ amp.init( pId, 3, listdaug );
+
+ root_part->makeDaughters( 3, listdaug );
+ daughter = root_part->getDaug( 0 );
+ lep1 = root_part->getDaug( 1 );
+ lep2 = root_part->getDaug( 2 );
+
+ //cludge to avoid generating random numbers!
+ daughter->noLifeTime();
+ lep1->noLifeTime();
+ lep2->noLifeTime();
+
+ //Initial particle is unpolarized, well it is a scalar so it is trivial
+ EvtSpinDensity rho;
+ rho.setDiag( root_part->getSpinStates() );
+
+ double mass[3];
+
+ double m = root_part->mass();
+
+ EvtVector4R p4meson, p4lepton1, p4lepton2, p4w;
+
+ double maxprobfound = 0.0;
+
+ mass[1] = EvtPDL::getMeanMass( l1Id );
+ mass[2] = EvtPDL::getMeanMass( l2Id );
+ std::vector<double> mH;
+ mH.push_back( EvtPDL::getMeanMass( mId ) );
+ //if the particle is narrow dont bother with changing the mass.
+ double g = EvtPDL::getWidth( mId );
+ if ( g > 0 ) {
+ mH.push_back( EvtPDL::getMinMass( mId ) );
+ mH.push_back(
+ std::min( EvtPDL::getMaxMass( mId ), m - mass[1] - mass[2] ) );
+ mH.push_back( mH.front() - g );
+ mH.push_back( mH.front() + g );
+ }
+
+ double q2min = ( mass[1] + mass[2] ) * ( mass[1] + mass[2] );
+
+ double m0 = EvtPDL::getMinMass( mId );
+ double q2max = ( m - m0 ) * ( m - m0 );
+ m0 = mH[0];
+ //loop over q2
+ for ( double q2 : v ) {
+ // want to avoid picking up the tail of the photon propagator
+ if ( !( q2min <= q2 && q2 < q2max ) )
+ continue;
+ double Erho = ( m * m + m0 * m0 - q2 ) / ( 2.0 * m ),
+ Prho = sqrt( ( Erho - m0 ) * ( Erho + m0 ) );
+
+ p4meson.set( Erho, 0.0, 0.0, -Prho );
+ p4w.set( m - Erho, 0.0, 0.0, Prho );
+
+ //This is in the W rest frame
+ double Elep = sqrt( q2 ) * 0.5,
+ Plep = sqrt( Elep * Elep - mass[1] * mass[1] );
+
+ const int nj = 3 + 2 + 4 + 8 + 32;
+ double cmin = -1, cmax = 1, dc = ( cmax - cmin ) / ( nj - 1 );
+ double maxprob = 0;
+ for ( int j = 0; j < nj; j++ ) {
+ double c = cmin + dc * j;
+
+ //These are in the W rest frame. Need to boost out into the B frame.
+ double Py = Plep * sqrt( 1.0 - c * c ), Pz = Plep * c;
+ p4lepton1.set( Elep, 0.0, Py, Pz );
+ p4lepton2.set( Elep, 0.0, -Py, -Pz );
+
+ p4lepton1 = boostTo( p4lepton1, p4w );
+ p4lepton2 = boostTo( p4lepton2, p4w );
+
+ //Now initialize the daughters...
+ daughter->init( mId, p4meson );
+ lep1->init( l1Id, p4lepton1 );
+ lep2->init( l2Id, p4lepton2 );
+ _calcamp->CalcAmp( root_part, amp, _ffmodel.get() );
+ double prob = rho.normalizedProb( amp.getSpinDensity() );
+ maxprob = std::max( maxprob, prob );
+ }
+ // printf("%f %f\n",q2,maxprob);
+ pp.push_back( { (float)q2, (float)maxprob } );
+ maxprobfound = std::max( maxprobfound, maxprob );
+ }
+ root_part->deleteTree();
+
+ _ls.init( pp );
+ maxprobfound *= 8e-8;
+ setProbMax( maxprobfound );
+}
+
+void EvtbTosllNPR::init()
+{
+ // First choose format of NP coefficients from the .DEC file
+ // Cartesian(x,y)(0) or Polar(R,phase)(1)
+ int n = getNArg();
+ checkNDaug( 3 );
+
+ //We expect the parent to be a scalar
+ //and the daughters to be K* lepton+ lepton-
+
+ checkSpinParent( EvtSpinType::SCALAR );
+ checkSpinDaughter( 1, EvtSpinType::DIRAC );
+ checkSpinDaughter( 2, EvtSpinType::DIRAC );
+
+ EvtId mId = getDaug( 0 );
+ EvtId IdKst0 = EvtPDL::getId( "K*0" ), IdaKst0 = EvtPDL::getId( "anti-K*0" ),
+ IdKstp = EvtPDL::getId( "K*+" ), IdKstm = EvtPDL::getId( "K*-" );
+ if ( mId != IdKst0 && mId != IdaKst0 && mId != IdKstp && mId != IdKstm ) {
+ EvtGenReport( EVTGEN_ERROR, "EvtGen" )
+ << "EvtbTosllNPR generator expected a K* 1st daughter, found: "
+ << EvtPDL::name( getDaug( 0 ) ) << endl;
+ EvtGenReport( EVTGEN_ERROR, "EvtGen" )
+ << "Will terminate execution!" << endl;
+ ::abort();
+ }
+
+ _ffmodel = std::make_unique<EvtbTosllBSZFF>();
+ _calcamp = std::make_unique<EvtbTosllVectorAmpNP>();
+
+ auto getInteger = [this]( int i ) -> int {
+ double a = getArg( i );
+ if ( a - static_cast<int>( a ) != 0 ) {
+ EvtGenReport( EVTGEN_ERROR, "EvtGen" )
+ << "Parameters is not integer in the BTOSLLNPR decay model: " << i
+ << " " << a << endl;
+ EvtGenReport( EVTGEN_ERROR, "EvtGen" )
+ << "Will terminate execution!" << endl;
+ ::abort();
+ }
+ return static_cast<int>( a );
+ };
+ EvtbTosllVectorAmpNP* amp = static_cast<EvtbTosllVectorAmpNP*>(
+ _calcamp.get() );
+ double phi = 0;
+ if ( n > 0 ) { // parse arguments
+ int i = 0, coordsyst = getInteger( i++ );
+ auto getcomplex = [this, &i, coordsyst]() -> EvtComplex {
+ double a0 = getArg( i++ );
+ double a1 = getArg( i++ );
+ return ( coordsyst ) ? EvtComplex( a0 * cos( a1 ), a0 * sin( a1 ) )
+ : EvtComplex( a0, a1 );
+ };
+ auto getreal = [this, &i]() -> double { return getArg( i++ ); };
+ while ( i < n ) {
+ int id = getInteger( i++ ); // New Physics cooeficient Id
+ if ( id == 0 )
+ amp->m_dc7 = getcomplex(); // delta C_7eff
+ if ( id == 1 )
+ amp->m_dc9 = getcomplex(); // delta C_9eff
+ if ( id == 2 )
+ amp->m_dc10 = getcomplex(); // delta C_10eff
+ if ( id == 3 )
+ amp->m_c7p = getcomplex(); // C'_7eff -- right hand polarizations
+ if ( id == 4 )
+ amp->m_c9p = getcomplex(); // C'_9eff -- right hand polarizations
+ if ( id == 5 )
+ amp->m_c10p = getcomplex(); // c'_10eff -- right hand polarizations
+ if ( id == 6 )
+ amp->m_cS = getcomplex(); // (C_S - C'_S) -- scalar right and left polarizations
+ if ( id == 7 )
+ amp->m_cP = getcomplex(); // (C_P - C'_P) -- pseudo-scalar right and left polarizations
+ if ( id == 10 )
+ phi = getreal();
+ }
+ }
+
+ std::vector<double> v = getgrid();
+ std::complex<double> eiphi = std::complex<double>( cos( phi ), sin( phi ) );
+ for ( auto t : v )
+ amp->m_reso.push_back( std::make_pair( t, -aR( t ) * eiphi ) );
+}
diff --git a/src/EvtGenModels/EvtbTosllScalarAmpNew.cpp b/src/EvtGenModels/EvtbTosllScalarAmpNew.cpp
--- a/src/EvtGenModels/EvtbTosllScalarAmpNew.cpp
+++ b/src/EvtGenModels/EvtbTosllScalarAmpNew.cpp
@@ -294,8 +294,8 @@
int charge1 = EvtPDL::chg3( parent->getDaug( 1 )->getId() );
int charge2 = EvtPDL::chg3( parent->getDaug( 2 )->getId() );
- EvtParticle* lepPlus = 0;
- EvtParticle* lepMinus = 0;
+ EvtParticle* lepPlus = nullptr;
+ EvtParticle* lepMinus = nullptr;
lepPlus = ( charge1 > charge2 ) ? parent->getDaug( 1 ) : parent->getDaug( 2 );
lepMinus = ( charge1 < charge2 ) ? parent->getDaug( 1 )
diff --git a/src/EvtGenModels/EvtbTosllScalarAmpNewExt.cpp b/src/EvtGenModels/EvtbTosllScalarAmpNewExt.cpp
--- a/src/EvtGenModels/EvtbTosllScalarAmpNewExt.cpp
+++ b/src/EvtGenModels/EvtbTosllScalarAmpNewExt.cpp
@@ -291,8 +291,8 @@
int charge1 = EvtPDL::chg3( parent->getDaug( 1 )->getId() );
int charge2 = EvtPDL::chg3( parent->getDaug( 2 )->getId() );
- EvtParticle* lepPlus = 0;
- EvtParticle* lepMinus = 0;
+ EvtParticle* lepPlus = nullptr;
+ EvtParticle* lepMinus = nullptr;
lepPlus = ( charge1 > charge2 ) ? parent->getDaug( 1 ) : parent->getDaug( 2 );
lepMinus = ( charge1 < charge2 ) ? parent->getDaug( 1 )
diff --git a/src/EvtGenModels/EvtbTosllVectorAmp.cpp b/src/EvtGenModels/EvtbTosllVectorAmp.cpp
--- a/src/EvtGenModels/EvtbTosllVectorAmp.cpp
+++ b/src/EvtGenModels/EvtbTosllVectorAmp.cpp
@@ -131,8 +131,8 @@
static EvtIdSet bmesons( "B-", "anti-B0", "anti-B_s0" );
static EvtIdSet bbarmesons( "B+", "B0", "B_s0" );
- EvtParticle* lepPlus = 0;
- EvtParticle* lepMinus = 0;
+ EvtParticle* lepPlus = nullptr;
+ EvtParticle* lepMinus = nullptr;
int charge1 = EvtPDL::chg3( parent->getDaug( 1 )->getId() );
int charge2 = EvtPDL::chg3( parent->getDaug( 2 )->getId() );
diff --git a/src/EvtGenModels/EvtbTosllVectorAmpNP.cpp b/src/EvtGenModels/EvtbTosllVectorAmpNP.cpp
new file mode 100644
--- /dev/null
+++ b/src/EvtGenModels/EvtbTosllVectorAmpNP.cpp
@@ -0,0 +1,250 @@
+
+/***********************************************************************
+* Copyright 1998-2020 CERN for the benefit of the EvtGen authors *
+* *
+* This file is part of EvtGen. *
+* *
+* EvtGen is free software: you can redistribute it and/or modify *
+* it under the terms of the GNU General Public License as published by *
+* the Free Software Foundation, either version 3 of the License, or *
+* (at your option) any later version. *
+* *
+* EvtGen is distributed in the hope that it will be useful, *
+* but WITHOUT ANY WARRANTY; without even the implied warranty of *
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
+* GNU General Public License for more details. *
+* *
+* You should have received a copy of the GNU General Public License *
+* along with EvtGen. If not, see <https://www.gnu.org/licenses/>. *
+***********************************************************************/
+
+#include "EvtGenModels/EvtbTosllVectorAmpNP.hh"
+
+#include "EvtGenBase/EvtAmp.hh"
+#include "EvtGenBase/EvtDiracSpinor.hh"
+#include "EvtGenBase/EvtId.hh"
+#include "EvtGenBase/EvtPDL.hh"
+#include "EvtGenBase/EvtParticle.hh"
+#include "EvtGenBase/EvtTensor4C.hh"
+#include "EvtGenBase/EvtVector4C.hh"
+
+#include "EvtGenModels/EvtbTosllAmp.hh"
+#include "EvtGenModels/EvtbTosllFF.hh"
+
+#include <algorithm>
+#include <ccomplex>
+
+static std::complex<double> h( double q2, double mq )
+{
+ const double mu = 4.8; // mu = m_b = 4.8 GeV
+ if ( mq == 0.0 )
+ return std::complex<double>( 8. / 27 + 4. / 9 * log( mu * mu / q2 ),
+ 4. / 9 * M_PI );
+ double z = 4 * mq * mq / q2;
+ std::complex<double> t;
+ if ( z > 1 ) {
+ t = atan( 1 / sqrt( z - 1 ) );
+ } else {
+ t = std::complex<double>( log( ( 1 + sqrt( 1 - z ) ) / sqrt( z ) ),
+ -M_PI / 2 );
+ }
+ return -4 / 9. * ( 2 * log( mq / mu ) - 2 / 3. - z ) -
+ ( 4 / 9. * ( 2 + z ) * sqrt( fabs( z - 1 ) ) ) * t;
+}
+
+static EvtComplex C9( double q2,
+ std::complex<double> hReso = std::complex<double>( 0, 0 ) )
+{
+ double m_c = 1.3, m_b = 4.8; // quark masses
+
+ double C1 = -0.257, C2 = 1.009, C3 = -0.005, C4 = -0.078, C5 = 0, C6 = 0.001;
+
+ std::complex<double> Y = ( h( q2, m_c ) + hReso ) *
+ ( 4 / 3. * C1 + C2 + 6 * C3 + 60 * C5 );
+ Y -= 0.5 * h( q2, m_b ) * ( 7 * C3 + 4 / 3. * C4 + 76 * C5 + 64 / 3. * C6 );
+ Y -= 0.5 * h( q2, 0.0 ) * ( C3 + 4 / 3. * C4 + 16 * C5 + 64 / 3. * C6 );
+ Y += 4 / 3. * C3 + 64 / 9. * C5 + 64 / 27. * C6;
+ return EvtComplex( 4.211 + real( Y ), imag( Y ) );
+}
+
+static std::complex<double> interpol(
+ const std::vector<std::pair<double, std::complex<double>>>& v, double s )
+{
+ if ( !v.size() )
+ return 0;
+ int j = std::lower_bound( v.begin(), v.end(), s,
+ []( const std::pair<double, std::complex<double>>& a,
+ float b ) { return a.first < b; } ) -
+ v.begin();
+
+ double dx = v[j].first - v[j - 1].first;
+ auto dy = v[j].second - v[j - 1].second;
+ return v[j - 1].second + ( s - v[j - 1].first ) * ( dy / dx );
+}
+
+static EvtId IdB0, IdaB0, IdBp, IdBm, IdBs, IdaBs, IdRhop, IdRhom, IdRho0,
+ IdOmega, IdKst0, IdaKst0, IdKstp, IdKstm;
+static bool cafirst = true;
+void EvtbTosllVectorAmpNP::CalcAmp( EvtParticle* parent, EvtAmp& amp,
+ EvtbTosllFF* formFactors )
+{
+ if ( cafirst ) {
+ cafirst = false;
+ IdB0 = EvtPDL::getId( "B0" );
+ IdaB0 = EvtPDL::getId( "anti-B0" );
+ IdBp = EvtPDL::getId( "B+" );
+ IdBm = EvtPDL::getId( "B-" );
+ IdBs = EvtPDL::getId( "B_s0" );
+ IdaBs = EvtPDL::getId( "anti-B_s0" );
+ IdRhop = EvtPDL::getId( "rho+" );
+ IdRhom = EvtPDL::getId( "rho-" );
+ IdRho0 = EvtPDL::getId( "rho0" );
+ IdOmega = EvtPDL::getId( "omega" );
+ IdKst0 = EvtPDL::getId( "K*0" );
+ IdaKst0 = EvtPDL::getId( "anti-K*0" );
+ IdKstp = EvtPDL::getId( "K*+" );
+ IdKstm = EvtPDL::getId( "K*-" );
+ }
+
+ // Add the lepton and neutrino 4 momenta to find q2
+ EvtId pId = parent->getId();
+ EvtId dId = parent->getDaug( 0 )->getId();
+ EvtVector4R q = parent->getDaug( 1 )->getP4() + parent->getDaug( 2 )->getP4();
+ double q2 = q.mass2();
+ double mesonmass = parent->getDaug( 0 )->mass();
+
+ double a1, a2, a0, v, t1, t2, t3; // form factors
+ formFactors->getVectorFF( pId, dId, q2, mesonmass, a1, a2, a0, v, t1, t2, t3 );
+
+ const EvtVector4R& p4meson = parent->getDaug( 0 )->getP4();
+ double pmass = parent->mass(), ipmass = 1 / pmass;
+ const EvtVector4R p4b( pmass, 0.0, 0.0, 0.0 );
+ EvtVector4R pbhat = p4b * ipmass;
+ EvtVector4R qhat = q * ipmass;
+ EvtVector4R pkstarhat = p4meson * ipmass;
+ EvtVector4R phat = pbhat + pkstarhat;
+
+ EvtComplex c7 = -0.304;
+ EvtComplex c9 = C9( q2, interpol( m_reso, q2 ) );
+ EvtComplex c10 = -4.103;
+ c7 += m_dc7;
+ c9 += m_dc9;
+ c10 += m_dc10;
+
+ EvtComplex I( 0.0, 1.0 );
+
+ double mb = 4.8 /*GeV/c^2*/ * ipmass, ms = 0.093 /*GeV/c^2*/ * ipmass;
+ double mH = mesonmass * ipmass, oamH = 1 + mH, osmH = 1 - mH,
+ osmH2 = oamH * osmH, iosmH2 = 1 / osmH2; // mhatkstar
+ double is = pmass * pmass / q2; // 1/shat
+ a1 *= oamH;
+ a2 *= osmH;
+ a0 *= 2 * mH;
+ double cs0 = ( a1 - a2 - a0 ) * is;
+ a2 *= iosmH2;
+ v *= 2 / oamH;
+
+ EvtComplex a = ( c9 + m_c9p ) * v + ( c7 + m_c7p ) * ( 4 * mb * is * t1 );
+ EvtComplex b = ( c9 - m_c9p ) * a1 +
+ ( c7 - m_c7p ) * ( 2 * mb * is * osmH2 * t2 );
+ EvtComplex c = ( c9 - m_c9p ) * a2 +
+ ( c7 - m_c7p ) * ( 2 * mb * ( t3 * iosmH2 + t2 * is ) );
+ EvtComplex d = ( c9 - m_c9p ) * cs0 - ( c7 - m_c7p ) * ( 2 * mb * is * t3 );
+ EvtComplex e = ( c10 + m_c10p ) * v;
+ EvtComplex f = ( c10 - m_c10p ) * a1;
+ EvtComplex g = ( c10 - m_c10p ) * a2;
+ EvtComplex h = ( c10 - m_c10p ) * cs0;
+ double sscale = a0 / ( mb + ms );
+ EvtComplex hs = m_cS * sscale, hp = m_cP * sscale;
+
+ int charge1 = EvtPDL::chg3( parent->getDaug( 1 )->getId() );
+
+ EvtParticle* lepPos = ( charge1 > 0 ) ? parent->getDaug( 1 )
+ : parent->getDaug( 2 );
+ EvtParticle* lepNeg = ( charge1 < 0 ) ? parent->getDaug( 1 )
+ : parent->getDaug( 2 );
+
+ EvtDiracSpinor lp0( lepPos->spParent( 0 ) ), lp1( lepPos->spParent( 1 ) );
+ EvtDiracSpinor lm0( lepNeg->spParent( 0 ) ), lm1( lepNeg->spParent( 1 ) );
+
+ EvtVector4C l11, l12, l21, l22, a11, a12, a21, a22;
+ EvtComplex s11, s12, s21, s22, p11, p12, p21, p22;
+ EvtTensor4C tt0( EvtGenFunctions::asymProd( pbhat, pkstarhat ) );
+
+ EvtTensor4C T1( tt0 ), T2( tt0 );
+ const EvtTensor4C& gmn = EvtTensor4C::g();
+ EvtTensor4C tt1( EvtGenFunctions::directProd( pbhat, phat ) );
+ EvtTensor4C tt2( EvtGenFunctions::directProd( pbhat, qhat ) );
+
+ b *= I;
+ c *= I;
+ d *= I;
+ f *= I;
+ g *= I;
+ h *= I;
+ if ( pId == IdBm || pId == IdaB0 || pId == IdaBs ) {
+ T1 *= a;
+ T1.addScaled( -b, gmn );
+ T1.addScaled( c, tt1 );
+ T1.addScaled( d, tt2 );
+ T2 *= e;
+ T2.addScaled( -f, gmn );
+ T2.addScaled( g, tt1 );
+ T2.addScaled( h, tt2 );
+
+ EvtLeptonVandACurrents( l11, a11, lp0, lm0 );
+ EvtLeptonVandACurrents( l21, a21, lp1, lm0 );
+ EvtLeptonVandACurrents( l12, a12, lp0, lm1 );
+ EvtLeptonVandACurrents( l22, a22, lp1, lm1 );
+
+ s11 = EvtLeptonSCurrent( lp0, lm0 );
+ p11 = EvtLeptonPCurrent( lp0, lm0 );
+ s21 = EvtLeptonSCurrent( lp1, lm0 );
+ p21 = EvtLeptonPCurrent( lp1, lm0 );
+ s12 = EvtLeptonSCurrent( lp0, lm1 );
+ p12 = EvtLeptonPCurrent( lp0, lm1 );
+ s22 = EvtLeptonSCurrent( lp1, lm1 );
+ p22 = EvtLeptonPCurrent( lp1, lm1 );
+ } else if ( pId == IdBp || pId == IdB0 || pId == IdBs ) {
+ T1 *= -a;
+ T1.addScaled( -b, gmn );
+ T1.addScaled( c, tt1 );
+ T1.addScaled( d, tt2 );
+ T2 *= -e;
+ T2.addScaled( -f, gmn );
+ T2.addScaled( g, tt1 );
+ T2.addScaled( h, tt2 );
+
+ EvtLeptonVandACurrents( l11, a11, lp1, lm1 );
+ EvtLeptonVandACurrents( l21, a21, lp0, lm1 );
+ EvtLeptonVandACurrents( l12, a12, lp1, lm0 );
+ EvtLeptonVandACurrents( l22, a22, lp0, lm0 );
+
+ s11 = EvtLeptonSCurrent( lp1, lm1 );
+ p11 = EvtLeptonPCurrent( lp1, lm1 );
+ s21 = EvtLeptonSCurrent( lp0, lm1 );
+ p21 = EvtLeptonPCurrent( lp0, lm1 );
+ s12 = EvtLeptonSCurrent( lp1, lm0 );
+ p12 = EvtLeptonPCurrent( lp1, lm0 );
+ s22 = EvtLeptonSCurrent( lp0, lm0 );
+ p22 = EvtLeptonPCurrent( lp0, lm0 );
+ } else {
+ EvtGenReport( EVTGEN_ERROR, "EvtGen" ) << "Wrong lepton number\n";
+ T1.zero();
+ T2.zero(); // Set all tensor terms to zero.
+ }
+
+ for ( int i = 0; i < 3; i++ ) {
+ EvtVector4C eps = parent->getDaug( 0 )->epsParent( i ).conj();
+
+ EvtVector4C E1 = T1.cont1( eps );
+ EvtVector4C E2 = T2.cont1( eps );
+
+ EvtComplex epsq = I * ( eps * q ), epsqs = epsq * hs, epsqp = epsq * hp;
+
+ amp.vertex( i, 0, 0, l11 * E1 + a11 * E2 - s11 * epsqs - p11 * epsqp );
+ amp.vertex( i, 0, 1, l12 * E1 + a12 * E2 - s12 * epsqs - p12 * epsqp );
+ amp.vertex( i, 1, 0, l21 * E1 + a21 * E2 - s21 * epsqs - p21 * epsqp );
+ amp.vertex( i, 1, 1, l22 * E1 + a22 * E2 - s22 * epsqs - p22 * epsqp );
+ }
+}
diff --git a/src/EvtGenModels/EvtbTosllVectorAmpNew.cpp b/src/EvtGenModels/EvtbTosllVectorAmpNew.cpp
--- a/src/EvtGenModels/EvtbTosllVectorAmpNew.cpp
+++ b/src/EvtGenModels/EvtbTosllVectorAmpNew.cpp
@@ -329,8 +329,8 @@
int charge1 = EvtPDL::chg3( parent->getDaug( 1 )->getId() );
int charge2 = EvtPDL::chg3( parent->getDaug( 2 )->getId() );
- EvtParticle* lepPlus = 0;
- EvtParticle* lepMinus = 0;
+ EvtParticle* lepPlus = nullptr;
+ EvtParticle* lepMinus = nullptr;
lepPlus = ( charge1 > charge2 ) ? parent->getDaug( 1 ) : parent->getDaug( 2 );
lepMinus = ( charge1 < charge2 ) ? parent->getDaug( 1 )
diff --git a/src/EvtGenModels/EvtbTosllVectorAmpNewExt.cpp b/src/EvtGenModels/EvtbTosllVectorAmpNewExt.cpp
--- a/src/EvtGenModels/EvtbTosllVectorAmpNewExt.cpp
+++ b/src/EvtGenModels/EvtbTosllVectorAmpNewExt.cpp
@@ -336,8 +336,8 @@
int charge1 = EvtPDL::chg3( parent->getDaug( 1 )->getId() );
int charge2 = EvtPDL::chg3( parent->getDaug( 2 )->getId() );
- EvtParticle* lepPlus = 0;
- EvtParticle* lepMinus = 0;
+ EvtParticle* lepPlus = nullptr;
+ EvtParticle* lepMinus = nullptr;
lepPlus = ( charge1 > charge2 ) ? parent->getDaug( 1 ) : parent->getDaug( 2 );
lepMinus = ( charge1 < charge2 ) ? parent->getDaug( 1 )
diff --git a/src/EvtGenModels/EvtbTosllWilsCoeffNLO.cpp b/src/EvtGenModels/EvtbTosllWilsCoeffNLO.cpp
--- a/src/EvtGenModels/EvtbTosllWilsCoeffNLO.cpp
+++ b/src/EvtGenModels/EvtbTosllWilsCoeffNLO.cpp
@@ -45,8 +45,8 @@
{
double as, ll;
double b0, b1, b2; /* terms in the series of the beta-function */
- double alpha_strong[] = {0.1156, 0.1176, 0.1196}; /* at M_Z scale */
- double MZ = 91.19; /* in GeV */
+ double alpha_strong[] = { 0.1156, 0.1176, 0.1196 }; /* at M_Z scale */
+ double MZ = 91.19; /* in GeV */
b0 = 11. - 2. * ( (double)Nf ) / 3.;
b1 = 51. - 19. * ( (double)Nf ) / 3.;
@@ -113,9 +113,9 @@
double asmu; /* the strong coupling constant at the scale mu */
int i;
- double a[] = {14.0 / 23.0, 16.0 / 23.0, 6.0 / 23.0, -12.0 / 23.0,
- 0.4086, -0.4230, -0.8994, 0.1456};
- double k1[] = {0.0, 0.0, 0.5, -0.5, 0.0, 0.0, 0.0, 0.0};
+ double a[] = { 14.0 / 23.0, 16.0 / 23.0, 6.0 / 23.0, -12.0 / 23.0,
+ 0.4086, -0.4230, -0.8994, 0.1456 };
+ double k1[] = { 0.0, 0.0, 0.5, -0.5, 0.0, 0.0, 0.0, 0.0 };
asW = As( Mw, Nf, ias );
asmu = As( mu, Nf, ias );
@@ -141,9 +141,9 @@
double asmu; /* the strong coupling constant at the scale mu */
int i;
- double a[] = {14.0 / 23.0, 16.0 / 23.0, 6.0 / 23.0, -12.0 / 23.0,
- 0.4086, -0.4230, -0.8994, 0.1456};
- double k2[] = {0.0, 0.0, 0.5, 0.5, 0.0, 0.0, 0.0, 0.0};
+ double a[] = { 14.0 / 23.0, 16.0 / 23.0, 6.0 / 23.0, -12.0 / 23.0,
+ 0.4086, -0.4230, -0.8994, 0.1456 };
+ double k2[] = { 0.0, 0.0, 0.5, 0.5, 0.0, 0.0, 0.0, 0.0 };
asW = As( Mw, Nf, ias );
asmu = As( mu, Nf, ias );
@@ -169,10 +169,10 @@
double asmu; /* the strong coupling constant at the scale mu */
int i;
- double a[] = {14.0 / 23.0, 16.0 / 23.0, 6.0 / 23.0, -12.0 / 23.0,
- 0.4086, -0.4230, -0.8994, 0.1456};
- double k3[] = {0.0, 0.0, -1.0 / 14.0, 1.0 / 6.0,
- 0.0510, -0.1403, -0.0113, 0.0054};
+ double a[] = { 14.0 / 23.0, 16.0 / 23.0, 6.0 / 23.0, -12.0 / 23.0,
+ 0.4086, -0.4230, -0.8994, 0.1456 };
+ double k3[] = { 0.0, 0.0, -1.0 / 14.0, 1.0 / 6.0,
+ 0.0510, -0.1403, -0.0113, 0.0054 };
asW = As( Mw, Nf, ias );
asmu = As( mu, Nf, ias );
@@ -198,10 +198,10 @@
double asmu; /* the strong coupling constant at the scale mu */
int i;
- double a[] = {14.0 / 23.0, 16.0 / 23.0, 6.0 / 23.0, -12.0 / 23.0,
- 0.4086, -0.4230, -0.8994, 0.1456};
- double k4[] = {0.0, 0.0, -1.0 / 14.0, -1.0 / 6.0,
- 0.0984, 0.1214, 0.0156, 0.0026};
+ double a[] = { 14.0 / 23.0, 16.0 / 23.0, 6.0 / 23.0, -12.0 / 23.0,
+ 0.4086, -0.4230, -0.8994, 0.1456 };
+ double k4[] = { 0.0, 0.0, -1.0 / 14.0, -1.0 / 6.0,
+ 0.0984, 0.1214, 0.0156, 0.0026 };
asW = As( Mw, Nf, ias );
asmu = As( mu, Nf, ias );
@@ -227,9 +227,9 @@
double asmu; /* the strong coupling constant at the scale mu */
int i;
- double a[] = {14.0 / 23.0, 16.0 / 23.0, 6.0 / 23.0, -12.0 / 23.0,
- 0.4086, -0.4230, -0.8994, 0.1456};
- double k5[] = {0.0, 0.0, 0.0, 0.0, -0.0397, 0.0117, -0.0025, 0.0304};
+ double a[] = { 14.0 / 23.0, 16.0 / 23.0, 6.0 / 23.0, -12.0 / 23.0,
+ 0.4086, -0.4230, -0.8994, 0.1456 };
+ double k5[] = { 0.0, 0.0, 0.0, 0.0, -0.0397, 0.0117, -0.0025, 0.0304 };
asW = As( Mw, Nf, ias );
asmu = As( mu, Nf, ias );
@@ -255,9 +255,9 @@
double asmu; /* the strong coupling constant at the scale mu */
int i;
- double a[] = {14.0 / 23.0, 16.0 / 23.0, 6.0 / 23.0, -12.0 / 23.0,
- 0.4086, -0.4230, -0.8994, 0.1456};
- double k6[] = {0.0, 0.0, 0.0, 0.0, 0.0335, 0.0239, -0.0462, -0.0112};
+ double a[] = { 14.0 / 23.0, 16.0 / 23.0, 6.0 / 23.0, -12.0 / 23.0,
+ 0.4086, -0.4230, -0.8994, 0.1456 };
+ double k6[] = { 0.0, 0.0, 0.0, 0.0, 0.0335, 0.0239, -0.0462, -0.0112 };
asW = As( Mw, Nf, ias );
asmu = As( mu, Nf, ias );
@@ -379,10 +379,10 @@
double asW, asmu;
int i;
- double a[] = {14.0 / 23.0, 16.0 / 23.0, 6.0 / 23.0, -12.0 / 23.0,
- 0.4086, -0.4230, -0.8994, 0.1456};
- double h[] = {2.2996, -1.0880, -3.0 / 7.0, -1.0 / 14.0,
- -0.6494, -0.0380, -0.0186, -0.0057};
+ double a[] = { 14.0 / 23.0, 16.0 / 23.0, 6.0 / 23.0, -12.0 / 23.0,
+ 0.4086, -0.4230, -0.8994, 0.1456 };
+ double h[] = { 2.2996, -1.0880, -3.0 / 7.0, -1.0 / 14.0,
+ -0.6494, -0.0380, -0.0186, -0.0057 };
x = pow( mt / Mw, 2.0 );
asW = As( Mw, Nf, ias );
@@ -420,9 +420,9 @@
double Pee;
int i;
- double a[] = {14.0 / 23.0, 16.0 / 23.0, 6.0 / 23.0, -12.0 / 23.0,
- 0.4086, -0.4230, -0.8994, 0.1456};
- double q[] = {0.0, 0.0, 0.0, 0.0, 0.0318, 0.0918, -0.2700, 0.0059};
+ double a[] = { 14.0 / 23.0, 16.0 / 23.0, 6.0 / 23.0, -12.0 / 23.0,
+ 0.4086, -0.4230, -0.8994, 0.1456 };
+ double q[] = { 0.0, 0.0, 0.0, 0.0, 0.0318, 0.0918, -0.2700, 0.0059 };
sum = 0.0;
i = 0;
@@ -444,12 +444,14 @@
double sum;
int i;
- double a[] = {14.0 / 23.0, 16.0 / 23.0, 6.0 / 23.0, -12.0 / 23.0,
- 0.4086, -0.4230, -0.8994, 0.1456};
- double p[] = {0.0, 0.0, -80.0 / 203.0, 8.0 / 33.0,
- 0.0433, 0.1384, 0.1648, -0.0073};
- double r[] = {0.0, 0.0, 0.8966, -0.1960, -0.2011, 0.1328, -0.0292, -0.1858};
- double s[] = {0.0, 0.0, -0.2009, -0.3579, 0.0490, -0.3616, -0.3554, 0.0072};
+ double a[] = { 14.0 / 23.0, 16.0 / 23.0, 6.0 / 23.0, -12.0 / 23.0,
+ 0.4086, -0.4230, -0.8994, 0.1456 };
+ double p[] = { 0.0, 0.0, -80.0 / 203.0, 8.0 / 33.0,
+ 0.0433, 0.1384, 0.1648, -0.0073 };
+ double r[] = { 0.0, 0.0, 0.8966, -0.1960,
+ -0.2011, 0.1328, -0.0292, -0.1858 };
+ double s[] = { 0.0, 0.0, -0.2009, -0.3579,
+ 0.0490, -0.3616, -0.3554, 0.0072 };
sum = 0.0;
i = 0;
diff --git a/src/EvtGenModels/Evtbs2llGammaAmp.cpp b/src/EvtGenModels/Evtbs2llGammaAmp.cpp
--- a/src/EvtGenModels/Evtbs2llGammaAmp.cpp
+++ b/src/EvtGenModels/Evtbs2llGammaAmp.cpp
@@ -105,8 +105,8 @@
::abort();
}
- EvtParticle* lepPlus = 0;
- EvtParticle* lepMinus = 0;
+ EvtParticle* lepPlus = nullptr;
+ EvtParticle* lepMinus = nullptr;
lepPlus = ( charge1 > charge2 )
? parent->getDaug( il1 )
diff --git a/src/EvtGenModels/Evtbs2llGammaFFMNT.cpp b/src/EvtGenModels/Evtbs2llGammaFFMNT.cpp
--- a/src/EvtGenModels/Evtbs2llGammaFFMNT.cpp
+++ b/src/EvtGenModels/Evtbs2llGammaFFMNT.cpp
@@ -58,11 +58,11 @@
EvtComplex unit0( 0.0, 0.0 ); // complex zero unit
// characteristics of resonances rho, omega, phi
- double M_res[] = {0.7758, 0.78259, 1.019456}; // particle masses, Gev
- double Gamma[] = {0.1503, 0.00849, 0.00426}; // particle widthes, Gev
+ double M_res[] = { 0.7758, 0.78259, 1.019456 }; // particle masses, Gev
+ double Gamma[] = { 0.1503, 0.00849, 0.00426 }; // particle widthes, Gev
- double f_lept[] = {5.04, 17.1, -13.2}; // decay constants f_i
- double g_plus[] = {0.27, -0.27, -0.38}; // and form-factors g+(0)
+ double f_lept[] = { 5.04, 17.1, -13.2 }; // decay constants f_i
+ double g_plus[] = { 0.27, -0.27, -0.38 }; // and form-factors g+(0)
g_plus[0] = g_plus[0] / sqrt( 2.0 ); // by D.Melikhov, N.Nikitin, K.Toms,
g_plus[1] = g_plus[1] / sqrt( 2.0 ); // Phys.At.Nucl. 68, p.1842 (2005)
@@ -72,8 +72,8 @@
// parametrs for form-factors Fv, Ftv, Fa, Fta
//(by D.Melikhov, N.Nikitin, K.Toms, Yad. Fiz. 62, No 11)
- double beta[] = {0.28, 0.30, 0.26, 0.33}; // beta, Gev^(-1)
- double Delta[] = {0.04, 0.04, 0.30, 0.30}; // Delta, Gev
+ double beta[] = { 0.28, 0.30, 0.26, 0.33 }; // beta, Gev^(-1)
+ double Delta[] = { 0.04, 0.04, 0.30, 0.30 }; // Delta, Gev
// form-factors
EvtComplex Ftvq0, Ftaq0, Ftv00, Fta00;
diff --git a/src/EvtGenModels/Evtbs2llGammaISRFSRAmp.cpp b/src/EvtGenModels/Evtbs2llGammaISRFSRAmp.cpp
--- a/src/EvtGenModels/Evtbs2llGammaISRFSRAmp.cpp
+++ b/src/EvtGenModels/Evtbs2llGammaISRFSRAmp.cpp
@@ -110,8 +110,8 @@
::abort();
}
- EvtParticle* lepPlus = 0;
- EvtParticle* lepMinus = 0;
+ EvtParticle* lepPlus = nullptr;
+ EvtParticle* lepMinus = nullptr;
lepPlus = ( charge1 > charge2 )
? parent->getDaug( il1 )
diff --git a/src/EvtGenModels/EvtbsToLLLLAmp.cpp b/src/EvtGenModels/EvtbsToLLLLAmp.cpp
--- a/src/EvtGenModels/EvtbsToLLLLAmp.cpp
+++ b/src/EvtGenModels/EvtbsToLLLLAmp.cpp
@@ -181,10 +181,10 @@
::abort();
}
- EvtParticle* lep1Plus = 0;
- EvtParticle* lep1Minus = 0;
- EvtParticle* lep2Plus = 0;
- EvtParticle* lep2Minus = 0;
+ EvtParticle* lep1Plus = nullptr;
+ EvtParticle* lep1Minus = nullptr;
+ EvtParticle* lep2Plus = nullptr;
+ EvtParticle* lep2Minus = nullptr;
EvtVector4R p; // B-meson momentum in the B-rest frame
EvtVector4R q; // first transition 4-momentum in the B-rest frame
diff --git a/src/EvtGenModels/EvtbsToLLLLHyperCPAmp.cpp b/src/EvtGenModels/EvtbsToLLLLHyperCPAmp.cpp
--- a/src/EvtGenModels/EvtbsToLLLLHyperCPAmp.cpp
+++ b/src/EvtGenModels/EvtbsToLLLLHyperCPAmp.cpp
@@ -151,10 +151,10 @@
::abort();
}
- EvtParticle* lep1Plus = 0;
- EvtParticle* lep1Minus = 0;
- EvtParticle* lep2Plus = 0;
- EvtParticle* lep2Minus = 0;
+ EvtParticle* lep1Plus = nullptr;
+ EvtParticle* lep1Minus = nullptr;
+ EvtParticle* lep2Plus = nullptr;
+ EvtParticle* lep2Minus = nullptr;
EvtVector4R p; // B-meson momentum in the B-rest frame
diff --git a/test/evt_dalitz.cc b/test/evt_dalitz.cc
--- a/test/evt_dalitz.cc
+++ b/test/evt_dalitz.cc
@@ -89,7 +89,7 @@
// Initialize EvtGen
// Define the random number generator
- EvtRandomEngine* eng = 0;
+ EvtRandomEngine* eng = nullptr;
#ifdef EVTGEN_CPP11
// Use the Mersenne-Twister generator (C++11 only)
@@ -100,7 +100,7 @@
EvtRandom::setRandomEngine( eng );
- EvtAbsRadCorr* radCorrEngine = 0;
+ EvtAbsRadCorr* radCorrEngine = nullptr;
std::list<EvtDecayBase*> extraModels;
#ifdef EVTGEN_EXTERNAL
diff --git a/test/evtgenlhc_test1.cc b/test/evtgenlhc_test1.cc
--- a/test/evtgenlhc_test1.cc
+++ b/test/evtgenlhc_test1.cc
@@ -150,12 +150,12 @@
void runDDK( int nevent, EvtGen& myGenerator );
void runPhspDecaytimeCut( int nevent, EvtGen& myGenerator );
-int countInclusive( std::string name, EvtParticle* root, TH1F* mom = 0,
- TH1F* mass = 0 );
+int countInclusive( std::string name, EvtParticle* root, TH1F* mom = nullptr,
+ TH1F* mass = nullptr );
int countInclusiveParent( std::string name, EvtParticle* root, EvtIdSet setIds,
- TH1F* mom = 0 );
+ TH1F* mom = nullptr );
int countInclusiveSubTree( std::string name, EvtParticle* root, EvtIdSet setIds,
- TH1F* mom = 0 );
+ TH1F* mom = nullptr );
void runBaryonic( int nEvent, EvtGen& myGenerator );
void run3BPhspRegion( int nEvent, EvtGen& myGenerator );
void runFourBody( int nevent, EvtGen& myGenerator );
@@ -163,7 +163,7 @@
int main( int argc, char* argv[] )
{
// Define the random number generator
- EvtRandomEngine* myRandomEngine = 0;
+ EvtRandomEngine* myRandomEngine = nullptr;
#ifdef EVTGEN_CPP11
// Use the Mersenne-Twister generator (C++11 only)
@@ -190,7 +190,7 @@
return 1;
}
- EvtAbsRadCorr* radCorrEngine = 0;
+ EvtAbsRadCorr* radCorrEngine = nullptr;
std::list<EvtDecayBase*> extraModels;
#ifdef EVTGEN_EXTERNAL
@@ -690,7 +690,7 @@
}
}
p = p->nextIter( root_part );
- } while ( p != 0 );
+ } while ( p != nullptr );
root_part->deleteTree();
} while ( count++ < nevent );
@@ -904,7 +904,7 @@
if ( theKs.contains( type ) && theBs.contains( typePar ) )
nK++;
p = p->nextIter( theB01 );
- } while ( p != 0 );
+ } while ( p != nullptr );
if ( nD == 2 && nK == 1 )
nDDK++;
@@ -920,7 +920,7 @@
if ( theKs.contains( type ) && theBs.contains( typePar ) )
nK++;
p = p->nextIter( theB02 );
- } while ( p != 0 );
+ } while ( p != nullptr );
if ( nD == 2 && nK == 1 )
nDDK++;
@@ -1268,7 +1268,7 @@
std::vector<std::string> dList[20];
int dListNum[20];
- std::vector<std::string>* dListItem = 0;
+ std::vector<std::string>* dListItem = nullptr;
std::string dListName[20];
int ik, lk;
std::string tk = "";
@@ -1422,7 +1422,7 @@
p = p->nextIter();
- } while ( p != 0 );
+ } while ( p != nullptr );
return fs;
}
@@ -1504,7 +1504,7 @@
}
p = p->nextIter( root_part );
- } while ( p != 0 );
+ } while ( p != nullptr );
//Now need to figure out which histogram to book
trackAll->Fill( evTracks );
@@ -1609,14 +1609,14 @@
directName = strcpy( directName, tkname.c_str() );
directName = strcat( directName, "Direct" );
histo2[ik] = new TH1F( directName, directName, 30, 0.0, 3.0 );
- delete directName;
+ delete[] directName;
char* massName;
massName = new char[( strlen( tkname.c_str() ) + 4 )];
massName = strcpy( massName, tkname.c_str() );
massName = strcat( massName, "Mass" );
massHisto[ik] = new TH1F( massName, massName, 3000, 0.0, 5.0 );
- delete massName;
+ delete[] massName;
}
count = 1;
@@ -1643,7 +1643,7 @@
5.9 * 5.9 ),
0.0, 0.0, 5.9 );
- EvtParticle* root_part = 0;
+ EvtParticle* root_part = nullptr;
if ( neventOrig > 0 ) {
root_part = EvtParticleFactory::particleFactory( UPS4, p_init );
} else {
@@ -1748,7 +1748,7 @@
}
EvtVector4R p_init( EvtPDL::getMass( UPS4 ), 0.0, 0.0, 0.0 );
- EvtParticle* root_part = 0;
+ EvtParticle* root_part = nullptr;
if ( neventOrig > 0 ) {
root_part = EvtParticleFactory::particleFactory( UPS4, p_init );
} else {
@@ -3837,7 +3837,7 @@
p_jpsi = root_part->getDaug( 0 );
- p_rho = 0;
+ p_rho = nullptr;
if ( p_jpsi->getDaug( 0 )->getNDaug() == 2 ) {
p_rho = p_jpsi->getDaug( 0 );
@@ -3929,7 +3929,7 @@
}
if ( nDaug == 2 ) {
- if ( p->getParent() == 0 ) {
+ if ( p->getParent() == nullptr ) {
EvtVector4R p4 = p->getDaug( 0 )->getP4();
double ctheta = p4.get( 3 ) / p4.d3mag();
double phi = atan2( p4.get( 2 ), p4.get( 1 ) );
@@ -4001,7 +4001,7 @@
p = p->nextIter( root_part );
- } while ( p != 0 );
+ } while ( p != nullptr );
root_part->deleteTree();
@@ -4300,7 +4300,7 @@
<< "bId1a " << bId1a << " bId1b " << bId1b << " bId2a " << bId2a
<< " bId2b " << bId2b << " for event " << count << std::endl;
- EvtParticle* Bpeng = 0;
+ EvtParticle* Bpeng = nullptr;
//int bnum=0;
int pengcount = 0;
if ( ( ( bId1a == strangeid ) && ( bId1b == 22 ) ) ||
@@ -4515,7 +4515,7 @@
<< "bId1a " << bId1a << " bId1b " << bId1b << " bId2a " << bId2a
<< " bId2b " << bId2b << " for event " << count << std::endl;
- EvtParticle* Bpeng = 0;
+ EvtParticle* Bpeng = nullptr;
//int bnum=0;
int pengcount = 0;
if ( ( ( bId1a == strangeid ) && ( bId1b == 22 ) ) ||
@@ -4727,7 +4727,7 @@
p = p->nextIter( root_part );
- } while ( p != 0 );
+ } while ( p != nullptr );
return temp;
}
@@ -4745,7 +4745,7 @@
//p->printTree();
p = p->nextIter( root_part );
- } while ( p != 0 );
+ } while ( p != nullptr );
//EvtGenReport(EVTGEN_INFO,"EvtGen") << "done"<<std::endl;
return temp;
}
@@ -4771,7 +4771,7 @@
}
p = p->nextIter( root_part );
- } while ( p != 0 );
+ } while ( p != nullptr );
return temp;
}
@@ -4983,7 +4983,7 @@
<< std::endl;
p = p->nextIter();
- } while ( p != 0 );
+ } while ( p != nullptr );
root_part->deleteTree();
@@ -5489,7 +5489,7 @@
p = p->nextIter();
- } while ( p != 0 );
+ } while ( p != nullptr );
outmix << "event" << std::endl;
@@ -5538,7 +5538,7 @@
p = p->nextIter();
- } while ( p != 0 );
+ } while ( p != nullptr );
//root_part->printTree();
diff --git a/test/example1.cc b/test/example1.cc
--- a/test/example1.cc
+++ b/test/example1.cc
@@ -46,10 +46,10 @@
int main( int /*argc*/, char** /*argv*/ )
{
- EvtParticle* parent( 0 );
+ EvtParticle* parent( nullptr );
// Define the random number generator
- EvtRandomEngine* eng = 0;
+ EvtRandomEngine* eng = nullptr;
#ifdef EVTGEN_CPP11
// Use the Mersenne-Twister generator (C++11 only)
@@ -60,7 +60,7 @@
EvtRandom::setRandomEngine( eng );
- EvtAbsRadCorr* radCorrEngine = 0;
+ EvtAbsRadCorr* radCorrEngine = nullptr;
std::list<EvtDecayBase*> extraModels;
#ifdef EVTGEN_EXTERNAL
diff --git a/test/exampleFiles/PI0DALITZ.DEC b/test/exampleFiles/PI0DALITZ.DEC
--- a/test/exampleFiles/PI0DALITZ.DEC
+++ b/test/exampleFiles/PI0DALITZ.DEC
@@ -3,5 +3,8 @@
Decay pi0
1.000 e+ e- gamma PI0_DALITZ;
Enddecay
+Decay eta
+1.000 mu+ mu- gamma PI0_DALITZ;
+Enddecay
#
End
diff --git a/test/exampleWriteHepMC.cc b/test/exampleWriteHepMC.cc
--- a/test/exampleWriteHepMC.cc
+++ b/test/exampleWriteHepMC.cc
@@ -85,10 +85,10 @@
int main( int /*argc*/, char** /*argv*/ )
{
- EvtParticle* parent( 0 );
+ EvtParticle* parent( nullptr );
// Define the random number generator
- EvtRandomEngine* eng = 0;
+ EvtRandomEngine* eng = nullptr;
#ifdef EVTGEN_CPP11
// Use the Mersenne-Twister generator (C++11 only)
@@ -99,7 +99,7 @@
EvtRandom::setRandomEngine( eng );
- EvtAbsRadCorr* radCorrEngine = 0;
+ EvtAbsRadCorr* radCorrEngine = nullptr;
std::list<EvtDecayBase*> extraModels;
#ifdef EVTGEN_EXTERNAL
diff --git a/validation/compareRootFiles.cc b/validation/compareRootFiles.cc
--- a/validation/compareRootFiles.cc
+++ b/validation/compareRootFiles.cc
@@ -435,13 +435,13 @@
TH1D* compareRootFiles::getMtmHist( TFile* theFile, string histName,
vector<int> groupInts )
{
- if ( theFile == 0 ) {
+ if ( theFile == nullptr ) {
// Return empty histogram
return _emptyHist;
}
TTree* theTree = dynamic_cast<TTree*>( theFile->Get( "Data" ) );
- if ( theTree == 0 ) {
+ if ( theTree == nullptr ) {
// Return empty histogram
return _emptyHist;
}
@@ -481,13 +481,13 @@
// with bins along the x axis representing each group
// leptons gamma pi+- pi0 K+- K0 D+- D0 light_baryons strange_baryons other
- if ( theFile == 0 ) {
+ if ( theFile == nullptr ) {
// Return empty histogram
return _emptyHist;
}
TTree* theTree = dynamic_cast<TTree*>( theFile->Get( "Data" ) );
- if ( theTree == 0 ) {
+ if ( theTree == nullptr ) {
// Return empty histogram
return _emptyHist;
}
@@ -563,13 +563,13 @@
TH1D* compareRootFiles::getAllIdHist( TFile* theFile, string histName )
{
- if ( theFile == 0 ) {
+ if ( theFile == nullptr ) {
// Return empty histogram
return _emptyHist;
}
TTree* theTree = dynamic_cast<TTree*>( theFile->Get( "Data" ) );
- if ( theTree == 0 ) {
+ if ( theTree == nullptr ) {
// Return empty histogram
return _emptyHist;
}
@@ -598,13 +598,13 @@
TH1D* compareRootFiles::getDaugHist( TFile* theFile, string histName )
{
- if ( theFile == 0 ) {
+ if ( theFile == nullptr ) {
// Return empty histogram
return _emptyHist;
}
TTree* nDaugTree = dynamic_cast<TTree*>( theFile->Get( "nDaugTree" ) );
- if ( nDaugTree == 0 ) {
+ if ( nDaugTree == nullptr ) {
// Return empty histogram
return _emptyHist;
}
diff --git a/validation/genExampleRootFiles.cc b/validation/genExampleRootFiles.cc
--- a/validation/genExampleRootFiles.cc
+++ b/validation/genExampleRootFiles.cc
@@ -128,11 +128,11 @@
dalitzTree->Branch( "invMass13Sq", &inv13Sq, "invMass13Sq/D" );
dalitzTree->Branch( "invMass23Sq", &inv23Sq, "invMass23Sq/D" );
- EvtParticle* baseParticle( 0 );
- EvtParticle* theParent( 0 );
+ EvtParticle* baseParticle( nullptr );
+ EvtParticle* theParent( nullptr );
// Define the random number generator
- EvtRandomEngine* myRandomEngine = 0;
+ EvtRandomEngine* myRandomEngine = nullptr;
#ifdef EVTGEN_CPP11
// Use the Mersenne-Twister generator (C++11 only)
@@ -145,7 +145,7 @@
// For our validation purposes, we just want to read in one decay file and create
// plots from that.
- EvtAbsRadCorr* radCorrEngine = 0;
+ EvtAbsRadCorr* radCorrEngine = nullptr;
std::list<EvtDecayBase*> extraModels;
#ifdef EVTGEN_EXTERNAL
@@ -206,7 +206,7 @@
EvtId daugEvtId( -1, -1 );
EvtParticle* baseDaughter = baseParticle->getDaug( 0 );
- if ( baseDaughter != 0 ) {
+ if ( baseDaughter != nullptr ) {
daugEvtId = baseDaughter->getId();
}
@@ -227,7 +227,7 @@
for ( iDaug = 0; iDaug < nDaug; iDaug++ ) {
EvtParticle* daug = theParent->getDaug( iDaug );
- if ( daug != 0 ) {
+ if ( daug != nullptr ) {
EvtVector4R p4Lab = daug->getP4Lab();
EvtVector4R pos4 = daug->get4Pos();
diff --git a/validation/genRootDecayChain.cc b/validation/genRootDecayChain.cc
--- a/validation/genRootDecayChain.cc
+++ b/validation/genRootDecayChain.cc
@@ -101,10 +101,10 @@
_parentName( parentName ),
_nEvents( nEvents ),
_storeMtmXYZ( storeMtmXYZ ),
- _theFile( 0 ),
- _theTree( 0 ),
- _probHist( 0 ),
- _theCanvas( 0 )
+ _theFile( nullptr ),
+ _theTree( nullptr ),
+ _probHist( nullptr ),
+ _theCanvas( nullptr )
{
_theFile = new TFile( rootFileName.c_str(), "recreate" );
_theTree = new TTree( "Data", "Data" );
@@ -178,8 +178,8 @@
void genRootDecayChain::generateEvents()
{
- EvtRandomEngine* randomEngine = 0;
- EvtAbsRadCorr* radCorrEngine = 0;
+ EvtRandomEngine* randomEngine = nullptr;
+ EvtAbsRadCorr* radCorrEngine = nullptr;
std::list<EvtDecayBase*> extraModels;
// Define the random number generator
@@ -207,7 +207,7 @@
EvtGen evtGen( _decayFileName.c_str(), "../evt.pdl", randomEngine,
radCorrEngine, &extraModels, mixingType, useXml );
- EvtParticle* theParent( 0 );
+ EvtParticle* theParent( nullptr );
EvtId theId = EvtPDL::getId( _parentName );
if ( theId.getId() == -1 && theId.getAlias() == -1 ) {
diff --git a/validation/testCPVDecays.cc b/validation/testCPVDecays.cc
--- a/validation/testCPVDecays.cc
+++ b/validation/testCPVDecays.cc
@@ -111,7 +111,7 @@
// Define the random number generator
- EvtRandomEngine* myRandomEngine = 0;
+ EvtRandomEngine* myRandomEngine = nullptr;
#ifdef EVTGEN_CPP11
// Use the Mersenne-Twister generator (C++11 only)
@@ -120,7 +120,7 @@
myRandomEngine = new EvtSimpleRandomEngine();
#endif
- EvtAbsRadCorr* radCorrEngine = 0;
+ EvtAbsRadCorr* radCorrEngine = nullptr;
std::list<EvtDecayBase*> extraModels;
#ifdef EVTGEN_EXTERNAL
@@ -147,7 +147,7 @@
// Start all initial (parent) decays at the origin
EvtVector4R origin( 0.0, 0.0, 0.0, 0.0 );
- EvtSpinDensity* spinDensity = 0;
+ EvtSpinDensity* spinDensity = nullptr;
EvtSpinType::spintype baseSpin = EvtPDL::getSpinType( theId );
@@ -337,7 +337,7 @@
// Get the vertex
HepMC::GenVertex* theVertex = *vertexIter;
- if ( theVertex == 0 ) {
+ if ( theVertex == nullptr ) {
continue;
}
@@ -354,7 +354,7 @@
inIter != theVertex->particles_in_const_end(); ++inIter ) {
HepMC::GenParticle* inParticle = *inIter;
- if ( inParticle == 0 ) {
+ if ( inParticle == nullptr ) {
continue;
}
@@ -379,7 +379,7 @@
outIter != theVertex->particles_out_const_end(); ++outIter ) {
HepMC::GenParticle* outParticle = *outIter;
- if ( outParticle != 0 ) {
+ if ( outParticle != nullptr ) {
int outPDGId = outParticle->pdg_id();
daugIdVect.push_back( outPDGId );
}

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