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diff --git a/EvtGenModels/EvtThreeBodyPhsp.hh b/EvtGenModels/EvtThreeBodyPhsp.hh
new file mode 100644
index 0000000..c25e2f6
--- /dev/null
+++ b/EvtGenModels/EvtThreeBodyPhsp.hh
@@ -0,0 +1,51 @@
+
+/***********************************************************************
+* 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/>. *
+***********************************************************************/
+
+#ifndef EVTTHREEBODYPHSP_HH
+#define EVTTHREEBODYPHSP_HH
+
+#include "EvtGenBase/EvtDecayIncoherent.hh"
+
+class EvtParticle;
+
+// Description:
+//Class to handle generic phase space decays not done
+//in other decay models.
+
+class EvtThreeBodyPhsp : public EvtDecayIncoherent {
+ public:
+ std::string getName() override;
+
+ EvtDecayBase* clone() override;
+
+ void initProbMax() override;
+
+ void init() override;
+
+ void decay( EvtParticle* p ) override;
+
+ private:
+ double m_m12SqMin;
+ double m_m12SqMax;
+ double m_m23SqMin;
+ double m_m23SqMax;
+};
+
+#endif
diff --git a/src/EvtGenModels/EvtModelReg.cpp b/src/EvtGenModels/EvtModelReg.cpp
index 2fe13c4..ff605fa 100644
--- a/src/EvtGenModels/EvtModelReg.cpp
+++ b/src/EvtGenModels/EvtModelReg.cpp
@@ -1,341 +1,344 @@
/***********************************************************************
* 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/EvtModelReg.hh"
#include "EvtGenBase/EvtModel.hh"
#include "EvtGenBase/EvtPDL.hh"
#include "EvtGenBase/EvtParticle.hh"
#include "EvtGenBase/EvtPatches.hh"
#include "EvtGenModels/EvtBBScalar.hh"
#include "EvtGenModels/EvtBHadronic.hh"
#include "EvtGenModels/EvtBLLNuL.hh"
#include "EvtGenModels/EvtBTo3piCP.hh"
#include "EvtGenModels/EvtBTo4piCP.hh"
#include "EvtGenModels/EvtBToDDalitzCPK.hh"
#include "EvtGenModels/EvtBToDiBaryonlnupQCD.hh"
#include "EvtGenModels/EvtBToKpipiCP.hh"
#include "EvtGenModels/EvtBToPlnuBK.hh"
#include "EvtGenModels/EvtBToVlnuBall.hh"
#include "EvtGenModels/EvtBaryonPCR.hh"
#include "EvtGenModels/EvtBcBsNPi.hh"
#include "EvtGenModels/EvtBcBsStarNPi.hh"
#include "EvtGenModels/EvtBcPsiNPi.hh"
#include "EvtGenModels/EvtBcSMuNu.hh"
#include "EvtGenModels/EvtBcTMuNu.hh"
#include "EvtGenModels/EvtBcToNPi.hh"
#include "EvtGenModels/EvtBcVHad.hh"
#include "EvtGenModels/EvtBcVMuNu.hh"
#include "EvtGenModels/EvtBcVNpi.hh"
#include "EvtGenModels/EvtBsMuMuKK.hh"
#include "EvtGenModels/EvtBsquark.hh"
#include "EvtGenModels/EvtBto2piCPiso.hh"
#include "EvtGenModels/EvtBtoKD3P.hh"
#include "EvtGenModels/EvtBtoKpiCPiso.hh"
#include "EvtGenModels/EvtBtoXsEtap.hh"
#include "EvtGenModels/EvtBtoXsgamma.hh"
#include "EvtGenModels/EvtBtoXsll.hh"
#include "EvtGenModels/EvtCBTo3piMPP.hh"
#include "EvtGenModels/EvtCBTo3piP00.hh"
#include "EvtGenModels/EvtD0gammaDalitz.hh"
#include "EvtGenModels/EvtD0mixDalitz.hh"
#include "EvtGenModels/EvtDDalitz.hh"
#include "EvtGenModels/EvtDMix.hh"
#include "EvtGenModels/EvtDToKpienu.hh"
#include "EvtGenModels/EvtEta2MuMuGamma.hh"
#include "EvtGenModels/EvtEtaDalitz.hh"
#include "EvtGenModels/EvtFlatQ2.hh"
#include "EvtGenModels/EvtFlatSqDalitz.hh"
#include "EvtGenModels/EvtGenericDalitz.hh"
#include "EvtGenModels/EvtGoityRoberts.hh"
#include "EvtGenModels/EvtHQET.hh"
#include "EvtGenModels/EvtHQET2.hh"
#include "EvtGenModels/EvtHelAmp.hh"
#include "EvtGenModels/EvtHypNonLepton.hh"
#include "EvtGenModels/EvtISGW.hh"
#include "EvtGenModels/EvtISGW2.hh"
#include "EvtGenModels/EvtKKLambdaC.hh"
#include "EvtGenModels/EvtKStopizmumu.hh"
#include "EvtGenModels/EvtKstarnunu.hh"
#include "EvtGenModels/EvtKstarstargamma.hh"
#include "EvtGenModels/EvtLNuGamma.hh"
#include "EvtGenModels/EvtLambdaB2LambdaV.hh"
#include "EvtGenModels/EvtLambdaP_BarGamma.hh"
#include "EvtGenModels/EvtLambdacPHH.hh"
#include "EvtGenModels/EvtLb2Baryonlnu.hh"
#include "EvtGenModels/EvtLb2Lll.hh"
#include "EvtGenModels/EvtLb2plnuLCSR.hh"
#include "EvtGenModels/EvtLb2plnuLQCD.hh"
#include "EvtGenModels/EvtMelikhov.hh"
#include "EvtGenModels/EvtMultibody.hh"
#include "EvtGenModels/EvtOmegaDalitz.hh"
#include "EvtGenModels/EvtPVVCPLH.hh"
#include "EvtGenModels/EvtPartWave.hh"
#include "EvtGenModels/EvtPhiDalitz.hh"
#include "EvtGenModels/EvtPhsp.hh"
#include "EvtGenModels/EvtPhspFlatLifetime.hh"
#include "EvtGenModels/EvtPhspDecaytimeCut.hh"
#include "EvtGenModels/EvtPi0Dalitz.hh"
#include "EvtGenModels/EvtPropSLPole.hh"
#include "EvtGenModels/EvtPsi2JpsiPiPi.hh"
#include "EvtGenModels/EvtPto3P.hh"
#include "EvtGenModels/EvtRareLbToLll.hh"
#include "EvtGenModels/EvtSLBKPole.hh"
#include "EvtGenModels/EvtSLN.hh"
#include "EvtGenModels/EvtSLPole.hh"
#include "EvtGenModels/EvtSSDCP.hh"
#include "EvtGenModels/EvtSSD_DirectCP.hh"
#include "EvtGenModels/EvtSSSCP.hh"
#include "EvtGenModels/EvtSSSCPT.hh"
#include "EvtGenModels/EvtSSSCPpng.hh"
#include "EvtGenModels/EvtSTS.hh"
#include "EvtGenModels/EvtSTSCP.hh"
#include "EvtGenModels/EvtSVP.hh"
#include "EvtGenModels/EvtSVPCP.hh"
#include "EvtGenModels/EvtSVPHelAmp.hh"
#include "EvtGenModels/EvtSVPHelCPMix.hh"
#include "EvtGenModels/EvtSVS.hh"
#include "EvtGenModels/EvtSVSCP.hh"
#include "EvtGenModels/EvtSVSCPLH.hh"
#include "EvtGenModels/EvtSVSCPiso.hh"
#include "EvtGenModels/EvtSVSNONCPEIGEN.hh"
#include "EvtGenModels/EvtSVVCP.hh"
#include "EvtGenModels/EvtSVVCPLH.hh"
#include "EvtGenModels/EvtSVVHelAmp.hh"
#include "EvtGenModels/EvtSVVHelCPMix.hh"
#include "EvtGenModels/EvtSVVNONCPEIGEN.hh"
#include "EvtGenModels/EvtSingleParticle.hh"
#include "EvtGenModels/EvtSll.hh"
#include "EvtGenModels/EvtTSS.hh"
#include "EvtGenModels/EvtTVP.hh"
#include "EvtGenModels/EvtTVSPwave.hh"
#include "EvtGenModels/EvtTauHadnu.hh"
#include "EvtGenModels/EvtTauScalarnu.hh"
#include "EvtGenModels/EvtTauVectornu.hh"
#include "EvtGenModels/EvtTaulnunu.hh"
#include "EvtGenModels/EvtVPHOtoVISRHi.hh"
#include "EvtGenModels/EvtVSPPwave.hh"
#include "EvtGenModels/EvtVSS.hh"
#include "EvtGenModels/EvtVSSBMixCPT.hh"
#include "EvtGenModels/EvtVSSMix.hh"
#include "EvtGenModels/EvtVVP.hh"
#include "EvtGenModels/EvtVVPIPI_WEIGHTED.hh"
#include "EvtGenModels/EvtVVSPwave.hh"
#include "EvtGenModels/EvtVVpipi.hh"
#include "EvtGenModels/EvtVectorIsr.hh"
#include "EvtGenModels/EvtVll.hh"
#include "EvtGenModels/EvtVtoSll.hh"
#include "EvtGenModels/EvtVub.hh"
#include "EvtGenModels/EvtVubBLNP.hh"
#include "EvtGenModels/EvtVubBLNPHybrid.hh"
#include "EvtGenModels/EvtVubHybrid.hh"
#include "EvtGenModels/EvtVubNLO.hh"
#include "EvtGenModels/EvtXPsiGamma.hh"
#include "EvtGenModels/EvtY3SToY1SpipiMoxhay.hh"
#include "EvtGenModels/EvtYmSToYnSpipiCLEO.hh"
#include "EvtGenModels/EvtbTosllAli.hh"
#include "EvtGenModels/EvtbTosllBall.hh"
#include "EvtGenModels/EvtbTosllMS.hh"
#include "EvtGenModels/EvtbTosllMSExt.hh"
#include "EvtGenModels/Evtbs2llGammaISRFSR.hh"
#include "EvtGenModels/Evtbs2llGammaMNT.hh"
#include "EvtGenModels/EvtbsToLLLL.hh"
#include "EvtGenModels/EvtbsToLLLLHyperCP.hh"
+#include "EvtGenModels/EvtThreeBodyPhsp.hh"
#include <assert.h>
#include <ctype.h>
#include <fstream>
#include <iomanip>
#include <iostream>
#include <stdlib.h>
using std::cout;
using std::endl;
using std::fstream;
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 ) {
modelist.registerModel( *it );
}
}
modelist.registerModel( new EvtBBScalar );
modelist.registerModel( new EvtLambdaP_BarGamma );
modelist.registerModel( new EvtFlatQ2 );
modelist.registerModel( new EvtTauHadnu );
modelist.registerModel( new EvtTauVectornu );
modelist.registerModel( new EvtVVP );
modelist.registerModel( new EvtSLN );
modelist.registerModel( new EvtISGW2 );
modelist.registerModel( new EvtMelikhov );
modelist.registerModel( new EvtSLPole );
modelist.registerModel( new EvtPropSLPole );
modelist.registerModel( new EvtSLBKPole );
modelist.registerModel( new EvtHQET );
modelist.registerModel( new EvtHQET2 );
modelist.registerModel( new EvtISGW );
modelist.registerModel( new EvtBHadronic );
modelist.registerModel( new EvtVSS );
modelist.registerModel( new EvtVSSMix );
modelist.registerModel( new EvtVSSBMixCPT );
modelist.registerModel( new EvtVSPPwave );
modelist.registerModel( new EvtGoityRoberts );
modelist.registerModel( new EvtSVS );
modelist.registerModel( new EvtTSS );
modelist.registerModel( new EvtTVSPwave );
modelist.registerModel( new EvtSVVHelAmp );
modelist.registerModel( new EvtSVPHelAmp );
modelist.registerModel( new EvtSVPCP );
modelist.registerModel( new EvtVVSPwave );
modelist.registerModel( new EvtDDalitz );
modelist.registerModel( new EvtOmegaDalitz );
modelist.registerModel( new EvtEtaDalitz );
modelist.registerModel( new EvtPhsp );
modelist.registerModel( new EvtPhspDecaytimeCut );
modelist.registerModel( new EvtBtoXsgamma );
modelist.registerModel( new EvtBtoXsll );
modelist.registerModel( new EvtBtoXsEtap );
modelist.registerModel( new EvtSSSCP );
modelist.registerModel( new EvtSSSCPpng );
modelist.registerModel( new EvtSTSCP );
modelist.registerModel( new EvtSTS );
modelist.registerModel( new EvtSSSCPT );
modelist.registerModel( new EvtSVSCP );
modelist.registerModel( new EvtSSDCP );
modelist.registerModel( new EvtSVSNONCPEIGEN );
modelist.registerModel( new EvtSVVNONCPEIGEN );
modelist.registerModel( new EvtSVVCP );
modelist.registerModel( new EvtSVVCPLH );
modelist.registerModel( new EvtSVSCPLH );
modelist.registerModel( new EvtSll );
modelist.registerModel( new EvtVll );
modelist.registerModel( new EvtTaulnunu );
modelist.registerModel( new EvtTauScalarnu );
modelist.registerModel( new EvtKstarnunu );
modelist.registerModel( new EvtbTosllBall );
modelist.registerModel( new EvtBto2piCPiso );
modelist.registerModel( new EvtBtoKpiCPiso );
modelist.registerModel( new EvtSVSCPiso );
modelist.registerModel( new EvtSingleParticle );
modelist.registerModel( new EvtVectorIsr );
modelist.registerModel( new EvtPi0Dalitz );
modelist.registerModel( new EvtHelAmp );
modelist.registerModel( new EvtPartWave );
modelist.registerModel( new EvtVVpipi );
modelist.registerModel( new EvtY3SToY1SpipiMoxhay );
modelist.registerModel( new EvtYmSToYnSpipiCLEO );
modelist.registerModel( new EvtBsquark );
modelist.registerModel( new EvtPhiDalitz );
modelist.registerModel( new EvtBToPlnuBK );
modelist.registerModel( new EvtBToVlnuBall );
modelist.registerModel( new EvtVVPIPI_WEIGHTED );
modelist.registerModel( new EvtVPHOtoVISRHi );
modelist.registerModel( new EvtBTo4piCP );
modelist.registerModel( new EvtBTo3piCP );
modelist.registerModel( new EvtCBTo3piP00 );
modelist.registerModel( new EvtCBTo3piMPP );
modelist.registerModel( new EvtBToKpipiCP );
modelist.registerModel( new EvtLb2Lll );
modelist.registerModel( new EvtRareLbToLll );
modelist.registerModel( new EvtHypNonLepton );
modelist.registerModel( new EvtSVVHelCPMix );
modelist.registerModel( new EvtSVPHelCPMix );
modelist.registerModel( new EvtLNuGamma );
modelist.registerModel( new EvtKstarstargamma );
modelist.registerModel( new EvtVub );
modelist.registerModel( new EvtVubHybrid );
modelist.registerModel( new EvtVubNLO );
modelist.registerModel( new EvtVubBLNP );
modelist.registerModel( new EvtVubBLNPHybrid );
modelist.registerModel( new EvtPto3P );
modelist.registerModel( new EvtBtoKD3P );
modelist.registerModel( new EvtKKLambdaC );
modelist.registerModel( new EvtMultibody );
modelist.registerModel( new EvtDMix );
modelist.registerModel( new EvtD0mixDalitz );
modelist.registerModel( new EvtD0gammaDalitz );
modelist.registerModel( new EvtEta2MuMuGamma );
modelist.registerModel( new EvtbTosllAli );
modelist.registerModel( new EvtBaryonPCR );
modelist.registerModel( new EvtBToDDalitzCPK );
modelist.registerModel( new EvtLambdaB2LambdaV );
modelist.registerModel( new EvtLambda2PPiForLambdaB2LambdaV );
modelist.registerModel( new EvtV2VpVmForLambdaB2LambdaV );
modelist.registerModel( new EvtPVVCPLH );
modelist.registerModel( new EvtSSD_DirectCP );
modelist.registerModel( new EvtBcToNPi( true ) ); // true = print author info
modelist.registerModel( new EvtBcPsiNPi );
modelist.registerModel( new EvtBcBsNPi );
modelist.registerModel( new EvtBcBsStarNPi );
modelist.registerModel( new EvtBcSMuNu );
modelist.registerModel( new EvtBcVMuNu );
modelist.registerModel( new EvtBcTMuNu );
modelist.registerModel( new EvtBcVNpi );
modelist.registerModel( new EvtSVP );
modelist.registerModel( new EvtTVP );
modelist.registerModel( new EvtXPsiGamma );
modelist.registerModel( new EvtbsToLLLL );
modelist.registerModel( new EvtbsToLLLLHyperCP );
modelist.registerModel( new EvtBLLNuL );
modelist.registerModel( new EvtKStopizmumu );
modelist.registerModel( new EvtVtoSll );
modelist.registerModel( new EvtBsMuMuKK );
modelist.registerModel( new EvtGenericDalitz() );
modelist.registerModel( new EvtBcVHad );
modelist.registerModel( new Evtbs2llGammaMNT );
modelist.registerModel( new Evtbs2llGammaISRFSR );
modelist.registerModel( new EvtbTosllMS );
modelist.registerModel( new EvtbTosllMSExt );
modelist.registerModel( new EvtLb2plnuLQCD );
modelist.registerModel( new EvtLb2plnuLCSR );
modelist.registerModel( new EvtLb2Baryonlnu );
modelist.registerModel( new EvtBToDiBaryonlnupQCD );
modelist.registerModel( new EvtFlatSqDalitz );
modelist.registerModel( new EvtPhspFlatLifetime );
modelist.registerModel( new EvtLambdacPHH );
modelist.registerModel( new EvtDToKpienu );
modelist.registerModel( new EvtPsi2JpsiPiPi );
+
+ modelist.registerModel( new EvtThreeBodyPhsp );
}
diff --git a/src/EvtGenModels/EvtThreeBodyPhsp.cpp b/src/EvtGenModels/EvtThreeBodyPhsp.cpp
new file mode 100644
index 0000000..3520d0d
--- /dev/null
+++ b/src/EvtGenModels/EvtThreeBodyPhsp.cpp
@@ -0,0 +1,156 @@
+
+/***********************************************************************
+* 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/EvtThreeBodyPhsp.hh"
+
+#include "EvtGenBase/EvtParticle.hh"
+#include "EvtGenBase/EvtReport.hh"
+#include "EvtGenBase/EvtConst.hh"
+#include "EvtGenBase/EvtRandom.hh"
+
+#include <iostream>
+#include <algorithm>
+#include <cmath>
+
+std::string EvtThreeBodyPhsp::getName()
+{
+ return "THREEBODYPHSP";
+}
+
+EvtDecayBase* EvtThreeBodyPhsp::clone()
+{
+ return new EvtThreeBodyPhsp;
+}
+
+void EvtThreeBodyPhsp::init()
+{
+ // check correct number of arguments
+ checkNArg( 2, 4 );
+ // check number of daughters
+ checkNDaug( 3 );
+ // Get box size
+ m_m12SqMin = getArg( 0 );
+ m_m12SqMax = getArg( 1 );
+ if ( getNArg() > 2 ) {
+ m_m23SqMin = getArg( 2 );
+ m_m23SqMax = getArg( 3 );
+ } else {
+ m_m23SqMin = 0;
+ m_m23SqMax = 1e10;
+ }
+}
+
+void EvtThreeBodyPhsp::initProbMax()
+{
+ noProbMax();
+}
+
+void EvtThreeBodyPhsp::decay( EvtParticle* p )
+{
+ p->makeDaughters( getNDaug(), getDaugs() );
+ p->generateMassTree();
+ const double mParent = p->mass();
+ EvtParticle* daug1 = p->getDaug(0);
+ EvtParticle* daug2 = p->getDaug(1);
+ EvtParticle* daug3 = p->getDaug(2);
+ const double mDaug1 = daug1->mass();
+ const double mDaug2 = daug2->mass();
+ const double mDaug3 = daug3->mass();
+
+ const double m12borderMin = mDaug1 + mDaug2;
+ const double m12borderMax = mParent - mDaug3;
+ const double m12Min = std::max( m_m12SqMin, m12borderMin * m12borderMin );
+ const double m12Max = std::min( m_m12SqMax, m12borderMax * m12borderMax );
+
+ const double m23borderMin = mDaug2 + mDaug3;
+ const double m23borderMax = mParent - mDaug1;
+ const double m23Min = std::max( m_m23SqMin, m23borderMin * m23borderMin );
+ const double m23Max = std::min( m_m23SqMax, m23borderMax * m23borderMax );
+
+ const int nMaxTrials = 1000;
+ int iTrial = 0;
+ bool goodEvent = false;
+ double m12Sq, m23Sq, m23LowLimit, m23HighLimit;
+ do {
+ m12Sq = EvtRandom::Flat( m12Min, m12Max );
+ m23Sq = EvtRandom::Flat( m23Min, m23Max );
+ // By definition, m12Sq is always within Dalitz plot, but need to check
+ // that also m23Sq is in
+ double E2st = 0.5 * ( m12Sq - mDaug1 * mDaug1 + mDaug2 * mDaug2 ) /
+ std::sqrt( m12Sq );
+ double E3st = 0.5 * ( mParent * mParent - m12Sq - mDaug3 * mDaug3 ) /
+ std::sqrt( m12Sq );
+ double p2st = std::sqrt( E2st * E2st - mDaug2 * mDaug2 );
+ double p3st = std::sqrt( E3st * E3st - mDaug3 * mDaug3 );
+ m23HighLimit = ( E2st + E3st ) * ( E2st + E3st ) -
+ ( p2st - p3st ) * ( p2st - p3st );
+ m23LowLimit = ( E2st + E3st ) * ( E2st + E3st ) -
+ ( p2st + p3st ) * ( p2st + p3st );
+ if ( m23Sq > m23LowLimit && m23Sq < m23HighLimit ) {
+ goodEvent = true;
+ }
+ ++iTrial;
+ } while ( goodEvent == false && iTrial < nMaxTrials );
+ if ( !goodEvent ) {
+ EvtGenReport( EVTGEN_WARNING, "EvtThreeBodyPhsp" )
+ << "Failed to generate m12Sq and m23Sq. Taking last m12Sq and midpoint of allowed m23Sq.\n";
+ m23Sq = 0.5 * ( m23LowLimit + m23HighLimit );
+ }
+
+ // At this moment we have valid invariant masses squared
+ const double En1 = 0.5 * ( mParent * mParent + mDaug1 * mDaug1 - m23Sq ) / mParent;
+ const double En3 = 0.5 * ( mParent * mParent + mDaug3 * mDaug3 - m12Sq ) / mParent;
+ const double En2 = mParent - En1 - En3;
+ const double p1mag = std::sqrt( En1 * En1 - mDaug1 * mDaug1 );
+ const double p2mag = std::sqrt( En2 * En2 - mDaug2 * mDaug2 );
+ double cosPhi = 0.5 * ( mDaug1 * mDaug1 + mDaug2 * mDaug2 +
+ 2 * En1 * En2 - m12Sq )/p1mag/p2mag;
+ if ( cosPhi > 1.0 ) {
+ EvtGenReport( EVTGEN_WARNING, "EvtThreeBodyPhsp" )
+ << " Model: cosine larger than one: " << cosPhi << std::endl;
+ cosPhi = 1.0;
+ }
+ double sinPhi = std::sqrt( 1 - cosPhi * cosPhi );
+ if ( EvtRandom::Flat( 0., 1. ) > 0.5 ) {
+ sinPhi *= -1;
+ }
+ const double p2x = p2mag * cosPhi;
+ const double p2y = p2mag * sinPhi;
+ const double p3x = -p1mag - p2x;
+ const double p3y = -p2y;
+
+ // Construct 4-momenta and rotate them randomly in space
+ EvtVector4R p1( En1, p1mag, 0., 0. );
+ EvtVector4R p2( En2, p2x, p2y, 0. );
+ EvtVector4R p3( En3, p3x, p3y, 0. );
+ const double euler1 = EvtRandom::Flat( 0., EvtConst::twoPi );
+ const double euler2 = std::acos( EvtRandom::Flat( -1.0, 1.0 ) );
+ const double euler3 = EvtRandom::Flat( 0., EvtConst::twoPi );
+ p1.applyRotateEuler(euler1, euler2, euler3);
+ p2.applyRotateEuler(euler1, euler2, euler3);
+ p3.applyRotateEuler(euler1, euler2, euler3);
+
+ // set momenta for daughters
+ daug1->init( getDaug( 0 ), p1 );
+ daug2->init( getDaug( 1 ), p2 );
+ daug3->init( getDaug( 2 ), p3 );
+
+ return;
+}
diff --git a/test/do_tests b/test/do_tests
index c074321..a817216 100755
--- a/test/do_tests
+++ b/test/do_tests
@@ -1,99 +1,100 @@
#!/bin/bash
########################################################################
# 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/>. #
########################################################################
time ./evtgenlhc_test1 file 1000 exampleFiles/GENERIC.DEC
time ./evtgenlhc_test1 print 100 exampleFiles/GENERIC.DEC
time ./evtgenlhc_test1 filevpho 1000 exampleFiles/GENERIC.DEC
time ./evtgenlhc_test1 test1 1000
time ./evtgenlhc_test1 chi1kstar 1000
time ./evtgenlhc_test1 test2 1000
time ./evtgenlhc_test1 omega 1000
time ./evtgenlhc_test1 alias
time ./evtgenlhc_test1 photos 1000
time ./evtgenlhc_test1 trackmult 1000
time ./evtgenlhc_test1 generic 1000
time ./evtgenlhc_test1 generic 1000 exampleFiles/generic.list
time ./evtgenlhc_test1 generic 1000 exampleFiles/genericlong.list
time ./evtgenlhc_test1 finalstates 1000
time ./evtgenlhc_test1 kstarnunu 1000
time ./evtgenlhc_test1 bsmix 10000
time ./evtgenlhc_test1 BtoXsgamma 1000
time ./evtgenlhc_test1 BtoK1273gamma 1000
time ./evtgenlhc_test1 pi0dalitz 1000
time ./evtgenlhc_test1 ddalitz 1000
time ./evtgenlhc_test1 kstarll 1000
time ./evtgenlhc_test1 kll 1000
time ./evtgenlhc_test1 hll 1000 pimm
time ./evtgenlhc_test1 hll 1000 piee
time ./evtgenlhc_test1 hll 1000 pi0mm
time ./evtgenlhc_test1 hll 1000 pi0ee
time ./evtgenlhc_test1 vectorisr 10000
time ./evtgenlhc_test1 bsquark 1000
time ./evtgenlhc_test1 k3gamma 1000
time ./evtgenlhc_test1 lambda 1000
time ./evtgenlhc_test1 tautaupipi 1000
time ./evtgenlhc_test1 tautauee 1000
time ./evtgenlhc_test1 tautau2pi2pi 1000
time ./evtgenlhc_test1 tautau3pi3pi 1000
time ./evtgenlhc_test1 jpsikstar 1000 0
time ./evtgenlhc_test1 jpsikstar 1000 1
time ./evtgenlhc_test1 jpsikstar 1000 2
time ./evtgenlhc_test1 jpsikstar 1000 3
time ./evtgenlhc_test1 jpsikstar 1000 4
time ./evtgenlhc_test1 svvcplh 1000
time ./evtgenlhc_test1 svscplh 1000
time ./evtgenlhc_test1 ssdcp 10000
time ./evtgenlhc_test1 kstarstargamma 1000
time ./evtgenlhc_test1 dstarpi 10000
time ./evtgenlhc_test1 etacphiphi 10000
time ./evtgenlhc_test1 vvpipi 1000
time ./evtgenlhc_test1 svvhelamp 1000
time ./evtgenlhc_test1 partwave 1000
time ./evtgenlhc_test1 twobody 1000 exampleFiles/TWOBODY1.DEC twobody1.root
time ./evtgenlhc_test1 twobody 1000 exampleFiles/TWOBODY2.DEC twobody2.root
time ./evtgenlhc_test1 twobody 1000 exampleFiles/TWOBODY3.DEC twobody3.root
time ./evtgenlhc_test1 pipipi 1000
time ./evtgenlhc_test1 bhadronic 1000
time ./evtgenlhc_test1 singleb 1000
time ./evtgenlhc_test1 pipi 1000
time ./evtgenlhc_test1 pipipipi 1000
time ./evtgenlhc_test1 a2pi 1000
time ./evtgenlhc_test1 helamp 1000 exampleFiles/HELAMP1_D2STGAMMA.DEC helamp1_D2stgamma.root
time ./evtgenlhc_test1 helamp2 1000
time ./evtgenlhc_test1 lambda 1000
time ./evtgenlhc_test1 d2pi 1000
time ./evtgenlhc_test1 a1pi 1000
time ./evtgenlhc_test1 cptest 1000
time ./evtgenlhc_test1 pipicpt 1000
time ./evtgenlhc_test1 jpsiks 1000
time ./evtgenlhc_test1 dump 10
time ./evtgenlhc_test1 genericcont 1000
time ./evtgenlhc_test1 d1 1000
time ./evtgenlhc_test1 mix 1000
time ./evtgenlhc_test1 bmix 10000 exampleFiles/BMIX_1.DEC bmix1.root
time ./evtgenlhc_test1 bmix 10000 exampleFiles/BMIX_2.DEC bmix2.root
time ./evtgenlhc_test1 semic 10000
time ./evtgenlhc_test1 ddk 10000
time ./evtgenlhc_test1 checkmass 10000 511
time ./evtgenlhc_test1 jpsipolarization 10000
time ./evtgenlhc_test1 checkrotboost
time ./evtgenlhc_test1 baryonic 1000
time ./evtgenlhc_test1 phspdecaytimecut 10000
+time ./evtgenlhc_test1 3bodyPhsp 1000000
diff --git a/test/evtgenlhc_test1.cc b/test/evtgenlhc_test1.cc
index 3fcecb3..b1e423a 100644
--- a/test/evtgenlhc_test1.cc
+++ b/test/evtgenlhc_test1.cc
@@ -1,5694 +1,5755 @@
/***********************************************************************
* 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/>. *
***********************************************************************/
//#@# Dalitz plot for D0 --> K- pi+ pi0 decay:
//#@# 1: Mass(K-, pi+)
//#@# 2: Mass(pi+,pi0)
//
// Description:
//
// This program invokes the EvtGen event generator package
// for testing various decay models that are implemented.
#include "EvtGen/EvtGen.hh"
#include "EvtGenBase/EvtAbsRadCorr.hh"
#include "EvtGenBase/EvtComplex.hh"
#include "EvtGenBase/EvtConst.hh"
#include "EvtGenBase/EvtDecayBase.hh"
#include "EvtGenBase/EvtDecayTable.hh"
#include "EvtGenBase/EvtDiracSpinor.hh"
#include "EvtGenBase/EvtGammaMatrix.hh"
#include "EvtGenBase/EvtIdSet.hh"
#include "EvtGenBase/EvtKine.hh"
#include "EvtGenBase/EvtMTRandomEngine.hh"
#include "EvtGenBase/EvtPDL.hh"
#include "EvtGenBase/EvtParser.hh"
#include "EvtGenBase/EvtParticle.hh"
#include "EvtGenBase/EvtParticleFactory.hh"
+#include "EvtGenBase/EvtRadCorr.hh"
#include "EvtGenBase/EvtRandom.hh"
#include "EvtGenBase/EvtRandomEngine.hh"
#include "EvtGenBase/EvtReport.hh"
#include "EvtGenBase/EvtSecondary.hh"
#include "EvtGenBase/EvtSimpleRandomEngine.hh"
#include "EvtGenBase/EvtStdHep.hh"
#include "EvtGenBase/EvtTensor4C.hh"
#include "EvtGenBase/EvtVector4C.hh"
#include "EvtGenBase/EvtVector4R.hh"
#include "EvtGenBase/EvtVectorParticle.hh"
#ifdef EVTGEN_EXTERNAL
#include "EvtGenExternal/EvtExternalGenList.hh"
#endif
#include "TApplication.h"
#include "TFile.h"
#include "TH1.h"
#include "TH2.h"
#include "TROOT.h"
#include "TString.h"
#include <cmath>
#include <cstdio>
#include <cstdlib>
#include <fstream>
#include <sstream>
#include <string>
#include <vector>
using std::vector;
void runFile( int nevent, char* fname, EvtGen& myGenerator );
void runPrint( int nevent, char* fname, EvtGen& myGenerator );
void runFileVpho( int nevent, char* fname, EvtGen& myGenerator );
void runTest1( int nevent, EvtGen& myGenerator );
void runTest2( int nevent, EvtGen& myGenerator );
void runOmega( int nevent, EvtGen& myGenerator );
void runChi1Kstar( int nevent, EvtGen& myGenerator );
void runPi0Dalitz( int nevent, EvtGen& myGenerator );
void runMix( int nevent, EvtGen& myGenerator );
void runBMix( int nevent, EvtGen& myGenerator, std::string userFile,
std::string rootFile );
void runDDalitz( int nevent, EvtGen& myGenerator );
void runPiPiCPT( int nevent, EvtGen& myGenerator );
void runPiPiPiPi( int nevent, EvtGen& myGenerator );
void runD2Pi( int nevent, EvtGen& myGenerator );
void runJetsetTab3( int nevent, EvtGen& myGenerator );
void runHelAmp( int nevent, EvtGen& myGenerator, std::string userFile,
std::string rootFile );
void runHelAmp2( int nevent, EvtGen& myGenerator );
void runJpsiKs( int nevent, EvtGen& myGenerator );
void runDump( int nevent, EvtGen& myGenerator );
void runD1( int nevent, EvtGen& myGenerator );
void runGenericCont( int nevent, EvtGen& myGenerator );
void runPiPiPi( int nevent, EvtGen& myGenerator );
void runBHadronic( int nevent, EvtGen& myGenerator );
void runSingleB( int nevent, EvtGen& myGenerator );
void runA2Pi( int nevent, EvtGen& myGenerator );
void runAlias();
void runRepeat( int nevent );
void runPhotos( int nevent, EvtGen& myGenerator );
void runTrackMult( int nevent, EvtGen& myGenerator );
void runGeneric( int neventOrig, EvtGen& myGenerator, std::string listfile );
void runFinalStates( int nevent, EvtGen& myGenerator );
std::vector<std::string> findFinalState( EvtParticle* p );
void runKstarnunu( int nevent, EvtGen& myGenerator );
void runBsmix( int nevent, EvtGen& myGenerator );
void runTauTauPiPi( int nevent, EvtGen& myGenerator );
void runTauTauEE( int nevent, EvtGen& myGenerator );
void runTauTau2Pi2Pi( int nevent, EvtGen& myGenerator );
void runTauTau3Pi3Pi( int nevent, EvtGen& myGenerator );
void runJPsiKstar( int nevent, EvtGen& myGenerator, int modeInt );
void runSVVCPLH( int nevent, EvtGen& myGenerator );
void runSVSCPLH( int nevent, EvtGen& myGenerator );
void runSSDCP( int nevent, EvtGen& myGenerator );
void runKstarstargamma( int nevent, EvtGen& myGenerator );
void runDSTARPI( int nevent, EvtGen& myGenerator );
void runETACPHIPHI( int nevent, EvtGen& myGenerator );
void runVVPiPi( int nevent, EvtGen& myGenerator );
void runSVVHelAmp( int nevent, EvtGen& myGenerator );
void runSVVHelAmp2( int nevent, EvtGen& myGenerator );
void runPartWave( int nevent, EvtGen& myGenerator );
void runPartWave2( int nevent, EvtGen& myGenerator );
void runTwoBody( int nevent, EvtGen& myGenerator, std::string decfile,
std::string rootFile );
void runPiPi( int nevent, EvtGen& myGenerator );
void runA1Pi( int nevent, EvtGen& myGenerator );
void runCPTest( int nevent, EvtGen& myGenerator );
void runSemic( int nevent, EvtGen& myGenerator );
void runKstarll( int nevent, EvtGen& myGenerator );
void runKll( int nevent, EvtGen& myGenerator );
void runHll( int nevent, EvtGen& myGenerator, char* mode );
void runVectorIsr( int nevent, EvtGen& myGenerator );
void runBsquark( int nevent, EvtGen& myGenerator );
void runK3gamma( int nevent, EvtGen& myGenerator );
void runLambda( int nevent, EvtGen& myGenerator );
void runBtoXsgamma( int nevent, EvtGen& myGenerator );
void runBtoK1273gamma( int nevent, EvtGen& myGenerator );
void runCheckRotBoost();
void runMassCheck( int nevent, EvtGen& myGenerator, int partnum );
void runJpsiPolarization( int nevent, EvtGen& myGenerator );
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 countInclusiveParent( std::string name, EvtParticle* root, EvtIdSet setIds,
TH1F* mom = 0 );
int countInclusiveSubTree( std::string name, EvtParticle* root, EvtIdSet setIds,
TH1F* mom = 0 );
void runBaryonic( int nEvent, EvtGen& myGenerator );
+void run3BPhspRegion( int nEvent, EvtGen& myGenerator );
int main( int argc, char* argv[] )
{
// Define the random number generator
EvtRandomEngine* myRandomEngine = 0;
#ifdef EVTGEN_CPP11
// Use the Mersenne-Twister generator (C++11 only)
myRandomEngine = new EvtMTRandomEngine();
#else
myRandomEngine = new EvtSimpleRandomEngine();
#endif
if ( !TROOT::Initialized() ) {
static TROOT root( "RooTuple", "RooTuple ROOT in EvtGen" );
}
if ( argc == 1 ) {
EvtVector4R p( 0.0, 1.0, 0.0, 0.0 );
EvtVector4R k( 0.0, 0.0, 1.0, 0.0 );
EvtTensor4C T = dual( EvtGenFunctions::directProd( p, k ) );
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << "p:" << p << std::endl;
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << "k:" << k << std::endl;
EvtGenReport( EVTGEN_INFO, "EvtGen" )
<< "T=dual(directProd(p,k)):" << T << std::endl;
EvtGenReport( EVTGEN_INFO, "EvtGen" )
<< "T03:" << T.get( 0, 3 ) << std::endl;
return 1;
}
EvtAbsRadCorr* radCorrEngine = 0;
std::list<EvtDecayBase*> extraModels;
#ifdef EVTGEN_EXTERNAL
bool convertPythiaCodes( false );
bool useEvtGenRandom( true );
EvtExternalGenList genList( convertPythiaCodes, "", "gamma", useEvtGenRandom );
radCorrEngine = genList.getPhotosModel();
extraModels = genList.getListOfModels();
#endif
EvtGen myGenerator( "../DECAY.DEC", "../evt.pdl", myRandomEngine,
radCorrEngine, &extraModels );
if ( !strcmp( argv[1], "file" ) ) {
int nevent = atoi( argv[2] );
runFile( nevent, argv[3], myGenerator );
}
if ( !strcmp( argv[1], "print" ) ) {
int nevent = atoi( argv[2] );
runPrint( nevent, argv[3], myGenerator );
}
if ( !strcmp( argv[1], "filevpho" ) ) {
int nevent = atoi( argv[2] );
runFileVpho( nevent, argv[3], myGenerator );
}
if ( !strcmp( argv[1], "test1" ) ) {
int nevent = atoi( argv[2] );
runTest1( nevent, myGenerator );
}
if ( !strcmp( argv[1], "chi1kstar" ) ) {
int nevent = atoi( argv[2] );
runChi1Kstar( nevent, myGenerator );
}
if ( !strcmp( argv[1], "test2" ) ) {
int nevent = atoi( argv[2] );
runTest2( nevent, myGenerator );
}
if ( !strcmp( argv[1], "omega" ) ) {
int nevent = atoi( argv[2] );
runOmega( nevent, myGenerator );
}
if ( !strcmp( argv[1], "alias" ) ) {
runAlias();
}
if ( !strcmp( argv[1], "repeat" ) ) {
int nevent = atoi( argv[2] );
runRepeat( nevent );
}
if ( !strcmp( argv[1], "photos" ) ) {
int nevent = atoi( argv[2] );
runPhotos( nevent, myGenerator );
}
if ( !strcmp( argv[1], "trackmult" ) ) {
int nevent = atoi( argv[2] );
runTrackMult( nevent, myGenerator );
}
if ( !strcmp( argv[1], "generic" ) ) {
int nevent = atoi( argv[2] );
std::string listfile( "" );
if ( argc == 4 )
listfile = argv[3];
runGeneric( nevent, myGenerator, listfile );
}
if ( !strcmp( argv[1], "finalstates" ) ) {
int nevent = atoi( argv[2] );
runFinalStates( nevent, myGenerator );
}
if ( !strcmp( argv[1], "kstarnunu" ) ) {
int nevent = atoi( argv[2] );
runKstarnunu( nevent, myGenerator );
}
if ( !strcmp( argv[1], "bsmix" ) ) {
int nevent = atoi( argv[2] );
runBsmix( nevent, myGenerator );
}
if ( !strcmp( argv[1], "BtoXsgamma" ) ) {
int nevent = atoi( argv[2] );
runBtoXsgamma( nevent, myGenerator );
}
if ( !strcmp( argv[1], "BtoK1273gamma" ) ) {
int nevent = atoi( argv[2] );
runBtoK1273gamma( nevent, myGenerator );
}
if ( !strcmp( argv[1], "pi0dalitz" ) ) {
int nevent = atoi( argv[2] );
runPi0Dalitz( nevent, myGenerator );
}
if ( !strcmp( argv[1], "ddalitz" ) ) {
int nevent = atoi( argv[2] );
runDDalitz( nevent, myGenerator );
}
if ( !strcmp( argv[1], "kstarll" ) ) {
int nevent = atoi( argv[2] );
runKstarll( nevent, myGenerator );
}
if ( !strcmp( argv[1], "kll" ) ) {
int nevent = atoi( argv[2] );
runKll( nevent, myGenerator );
}
if ( !strcmp( argv[1], "hll" ) ) {
int nevent = atoi( argv[2] );
runHll( nevent, myGenerator, argv[3] );
}
if ( !strcmp( argv[1], "vectorisr" ) ) {
int nevent = atoi( argv[2] );
runVectorIsr( nevent, myGenerator );
}
if ( !strcmp( argv[1], "bsquark" ) ) {
int nevent = atoi( argv[2] );
runBsquark( nevent, myGenerator );
}
if ( !strcmp( argv[1], "k3gamma" ) ) {
int nevent = atoi( argv[2] );
runK3gamma( nevent, myGenerator );
}
if ( !strcmp( argv[1], "lambda" ) ) {
int nevent = atoi( argv[2] );
runLambda( nevent, myGenerator );
}
if ( !strcmp( argv[1], "tautaupipi" ) ) {
int nevent = atoi( argv[2] );
runTauTauPiPi( nevent, myGenerator );
}
if ( !strcmp( argv[1], "tautauee" ) ) {
int nevent = atoi( argv[2] );
runTauTauEE( nevent, myGenerator );
}
if ( !strcmp( argv[1], "tautau2pi2pi" ) ) {
int nevent = atoi( argv[2] );
runTauTau2Pi2Pi( nevent, myGenerator );
}
if ( !strcmp( argv[1], "tautau3pi3pi" ) ) {
int nevent = atoi( argv[2] );
runTauTau3Pi3Pi( nevent, myGenerator );
}
if ( !strcmp( argv[1], "jpsikstar" ) ) {
int nevent = atoi( argv[2] );
int modeInt = atoi( argv[3] );
runJPsiKstar( nevent, myGenerator, modeInt );
}
if ( !strcmp( argv[1], "svvcplh" ) ) {
int nevent = atoi( argv[2] );
runSVVCPLH( nevent, myGenerator );
}
if ( !strcmp( argv[1], "svscplh" ) ) {
int nevent = atoi( argv[2] );
runSVSCPLH( nevent, myGenerator );
}
if ( !strcmp( argv[1], "ssdcp" ) ) {
int nevent = atoi( argv[2] );
runSSDCP( nevent, myGenerator );
}
if ( !strcmp( argv[1], "kstarstargamma" ) ) {
int nevent = atoi( argv[2] );
runKstarstargamma( nevent, myGenerator );
}
if ( !strcmp( argv[1], "dstarpi" ) ) {
int nevent = atoi( argv[2] );
runDSTARPI( nevent, myGenerator );
}
if ( !strcmp( argv[1], "etacphiphi" ) ) {
int nevent = atoi( argv[2] );
runETACPHIPHI( nevent, myGenerator );
}
if ( !strcmp( argv[1], "vvpipi" ) ) {
int nevent = atoi( argv[2] );
runVVPiPi( nevent, myGenerator );
}
if ( !strcmp( argv[1], "svvhelamp" ) ) {
int nevent = atoi( argv[2] );
runSVVHelAmp( nevent, myGenerator );
}
if ( !strcmp( argv[1], "partwave" ) ) {
int nevent = atoi( argv[2] );
runPartWave( nevent, myGenerator );
}
if ( !strcmp( argv[1], "partwave2" ) ) {
int nevent = atoi( argv[2] );
runPartWave2( nevent, myGenerator );
}
if ( !strcmp( argv[1], "twobody" ) ) {
int nevent = atoi( argv[2] );
runTwoBody( nevent, myGenerator, argv[3], argv[4] );
}
if ( !strcmp( argv[1], "pipipi" ) ) {
int nevent = atoi( argv[2] );
runPiPiPi( nevent, myGenerator );
}
if ( !strcmp( argv[1], "bhadronic" ) ) {
int nevent = atoi( argv[2] );
runBHadronic( nevent, myGenerator );
}
if ( !strcmp( argv[1], "singleb" ) ) {
int nevent = atoi( argv[2] );
runSingleB( nevent, myGenerator );
}
if ( !strcmp( argv[1], "pipi" ) ) {
int nevent = atoi( argv[2] );
runPiPi( nevent, myGenerator );
}
if ( !strcmp( argv[1], "pipipipi" ) ) {
int nevent = atoi( argv[2] );
runPiPiPiPi( nevent, myGenerator );
}
if ( !strcmp( argv[1], "a2pi" ) ) {
int nevent = atoi( argv[2] );
runA2Pi( nevent, myGenerator );
}
if ( !strcmp( argv[1], "helamp" ) ) {
int nevent = atoi( argv[2] );
runHelAmp( nevent, myGenerator, argv[3], argv[4] );
}
if ( !strcmp( argv[1], "helamp2" ) ) {
int nevent = atoi( argv[2] );
runHelAmp2( nevent, myGenerator );
}
if ( !strcmp( argv[1], "d2pi" ) ) {
int nevent = atoi( argv[2] );
runD2Pi( nevent, myGenerator );
}
if ( !strcmp( argv[1], "a1pi" ) ) {
int nevent = atoi( argv[2] );
runA1Pi( nevent, myGenerator );
}
if ( !strcmp( argv[1], "cptest" ) ) {
int nevent = atoi( argv[2] );
runCPTest( nevent, myGenerator );
}
if ( !strcmp( argv[1], "pipicpt" ) ) {
int nevent = atoi( argv[2] );
runPiPiCPT( nevent, myGenerator );
}
if ( !strcmp( argv[1], "jpsiks" ) ) {
int nevent = atoi( argv[2] );
runJpsiKs( nevent, myGenerator );
}
if ( !strcmp( argv[1], "dump" ) ) {
int nevent = atoi( argv[2] );
runDump( nevent, myGenerator );
}
if ( !strcmp( argv[1], "genericcont" ) ) {
int nevent = atoi( argv[2] );
runGenericCont( nevent, myGenerator );
}
if ( !strcmp( argv[1], "d1" ) ) {
int nevent = atoi( argv[2] );
runD1( nevent, myGenerator );
}
if ( !strcmp( argv[1], "mix" ) ) {
int nevent = atoi( argv[2] );
runMix( nevent, myGenerator );
}
if ( !strcmp( argv[1], "bmix" ) ) {
int nevent = atoi( argv[2] );
runBMix( nevent, myGenerator, argv[3], argv[4] );
}
if ( !strcmp( argv[1], "semic" ) ) {
int nevent = atoi( argv[2] );
runSemic( nevent, myGenerator );
}
if ( !strcmp( argv[1], "ddk" ) ) {
int nevent = atoi( argv[2] );
runDDK( nevent, myGenerator );
}
if ( !strcmp( argv[1], "checkmass" ) ) {
int nevent = atoi( argv[2] );
int partnum = atoi( argv[3] );
runMassCheck( nevent, myGenerator, partnum );
}
if ( !strcmp( argv[1], "jpsipolarization" ) ) {
int nevent = atoi( argv[2] );
runJpsiPolarization( nevent, myGenerator );
}
if ( !strcmp( argv[1], "phspdecaytimecut" ) ) {
int nevent = atoi( argv[2] );
runPhspDecaytimeCut( nevent, myGenerator );
}
+
+ if ( !strcmp( argv[1], "3bodyPhsp" ) ) {
+ int nevent = atoi( argv[2] );
+ EvtRadCorr::setNeverRadCorr();
+ run3BPhspRegion( nevent, myGenerator);
+ }
+
//*******************************************************
//test of the rotations and boosts performed in EvtGen.
// Added by Lange and Ryd Jan 5,2000.
//*******************************************************
if ( !strcmp( argv[1], "checkrotboost" ) ) {
runCheckRotBoost();
}
if ( !strcmp( argv[1], "baryonic" ) ) {
runBaryonic( atoi( argv[2] ), myGenerator );
}
delete myRandomEngine;
return 0;
}
void runFile( int nevent, char* fname, EvtGen& myGenerator )
{
static EvtId UPS4 = EvtPDL::getId( std::string( "Upsilon(4S)" ) );
int count;
char udecay_name[100];
strcpy( udecay_name, fname );
myGenerator.readUDecay( udecay_name );
count = 1;
do {
EvtVector4R p_init( EvtPDL::getMass( UPS4 ), 0.0, 0.0, 0.0 );
EvtParticle* root_part = EvtParticleFactory::particleFactory( UPS4,
p_init );
root_part->setVectorSpinDensity();
myGenerator.generateDecay( root_part );
root_part->deleteTree();
} while ( count++ < nevent );
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << "SUCCESS\n";
}
void runPrint( int nevent, char* fname, EvtGen& myGenerator )
{
static EvtId UPS4 = EvtPDL::getId( std::string( "Upsilon(4S)" ) );
int count;
char udecay_name[100];
strcpy( udecay_name, fname );
myGenerator.readUDecay( udecay_name );
count = 1;
do {
EvtVector4R p_init( EvtPDL::getMass( UPS4 ), 0.0, 0.0, 0.0 );
EvtParticle* root_part = EvtParticleFactory::particleFactory( UPS4,
p_init );
root_part->setVectorSpinDensity();
myGenerator.generateDecay( root_part );
root_part->printTree();
root_part->deleteTree();
} while ( count++ < nevent );
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << "SUCCESS\n";
}
void runFileVpho( int nevent, char* fname, EvtGen& myGenerator )
{
static EvtId VPHO = EvtPDL::getId( std::string( "vpho" ) );
static EvtId UPS4 = EvtPDL::getId( std::string( "Upsilon(4S)" ) );
int count;
char udecay_name[100];
strcpy( udecay_name, fname );
myGenerator.readUDecay( udecay_name );
count = 1;
do {
EvtVector4R p_init( EvtPDL::getMass( UPS4 ), 0.0, 0.0, 0.0 );
EvtParticle* root_part = EvtParticleFactory::particleFactory( VPHO,
p_init );
root_part->setVectorSpinDensity();
myGenerator.generateDecay( root_part );
root_part->deleteTree();
} while ( count++ < nevent );
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << "SUCCESS\n";
}
///////////////
void runJpsiPolarization( int nevent, EvtGen& myGenerator )
{
static EvtId UPS4 = EvtPDL::getId( std::string( "Upsilon(4S)" ) );
static EvtId JPSI = EvtPDL::getId( std::string( "J/psi" ) );
int count;
myGenerator.readUDecay( "exampleFiles/GENERIC.DEC" );
myGenerator.readUDecay( "exampleFiles/JPSITOLL.DEC" );
TFile* file = new TFile( "jpsipolar.root", "RECREATE" );
TH1F* coshel = new TH1F( "h1", "cos hel", 50, -1.0, 1.0 );
TH1F* coshelHigh = new TH1F( "h2", "cos hel pstar gt 1.1", 50, -1.0, 1.0 );
TH1F* coshelLow = new TH1F( "h3", "cos hel pstar lt 1.1", 50, -1.0, 1.0 );
count = 1;
do {
EvtVector4R p_init( EvtPDL::getMass( UPS4 ), 0.0, 0.0, 0.0 );
EvtParticle* root_part = EvtParticleFactory::particleFactory( UPS4,
p_init );
root_part->setVectorSpinDensity();
myGenerator.generateDecay( root_part );
EvtParticle* p = root_part;
do {
if ( p->getId() == JPSI ) {
EvtVector4R p4psi = p->getP4Lab();
EvtVector4R p4Daug = p->getDaug( 0 )->getP4Lab();
double dcostheta = EvtDecayAngle( p_init, p4psi, p4Daug );
coshel->Fill( dcostheta );
if ( p4psi.d3mag() > 1.1 ) {
coshelHigh->Fill( dcostheta );
} else {
coshelLow->Fill( dcostheta );
}
}
p = p->nextIter( root_part );
} while ( p != 0 );
root_part->deleteTree();
} while ( count++ < nevent );
file->Write();
file->Close();
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << "SUCCESS\n";
}
void runMassCheck( int nevent, EvtGen& /*myGenerator*/, int partnum )
{
int count;
static EvtId myPart = EvtPDL::evtIdFromStdHep( partnum );
TFile* file = new TFile( "checkmass.root", "RECREATE" );
TH1F* mass = new TH1F( "h1", "Mass", 500, 0.0, 2.5 );
count = 1;
do {
mass->Fill( EvtPDL::getMass( myPart ) );
} while ( count++ < nevent );
file->Write();
file->Close();
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << "SUCCESS\n";
}
void runPi0Dalitz( int nevent, EvtGen& myGenerator )
{
static EvtId PI0 = EvtPDL::getId( std::string( "pi0" ) );
TFile* file = new TFile( "pi0dalitz.root", "RECREATE" );
TH1F* q2 = new TH1F( "h1", "q2", 50, 0.0, 0.02 );
int count;
myGenerator.readUDecay( "exampleFiles/PI0DALITZ.DEC" );
count = 1;
do {
EvtVector4R p_init( EvtPDL::getMass( PI0 ), 0.0, 0.0, 0.0 );
EvtParticle* root_part = EvtParticleFactory::particleFactory( PI0,
p_init );
root_part->setDiagonalSpinDensity();
myGenerator.generateDecay( root_part );
EvtVector4R ep = root_part->getDaug( 0 )->getP4Lab();
EvtVector4R em = root_part->getDaug( 1 )->getP4Lab();
//EvtVector4R gamma=root_part->getDaug(2)->getP4Lab();
q2->Fill( ( ep + em ).mass2() );
// EvtGenReport(EVTGEN_INFO,"EvtGen") << ep << em << gamma <<std::endl;
root_part->deleteTree();
} while ( count++ < nevent );
file->Write();
file->Close();
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << "SUCCESS\n";
}
//*******************************************************************************
void runTest1( int nevent, EvtGen& myGenerator )
{
// TFile *file=new TFile("test1.root", "RECREATE");
static EvtId UPS4 = EvtPDL::getId( std::string( "Upsilon(4S)" ) );
// int first=0;
// char **second;
// TApplication *theApp = new TApplication("App", &first, second);
TFile* file = new TFile( "test1.root", "RECREATE", "Example" );
TH1F* costhetaB = new TH1F( "hcosthetaB", "costhetaB", 50, -1.0, 1.0 );
TH1F* phiB = new TH1F( "hphiB", "phiB", 50, -EvtConst::pi, EvtConst::pi );
TH1F* Elep = new TH1F( "hEl", "E?l!", 50, 0.0, 2.5 );
TH1F* q2 = new TH1F( "hq2", "q^2!", 44, 0.0, 11.0 );
TH1F* ctv = new TH1F( "hctv", "ctv", 50, -1.0, 1.0 );
TH1F* chi_low_ctv = new TH1F( "hcostv1", "[h] for cos[Q]?V!\"L#0", 50, 0.0,
EvtConst::twoPi );
TH1F* chi_high_ctv = new TH1F( "hcostv2", "[h] for cos[Q]?V!\"G#0", 50, 0.0,
EvtConst::twoPi );
TH1F* dt = new TH1F( "hdt", "dt", 50, -5.0, 5.0 );
int count;
EvtVector4R p4b0, p4b0b, p4dstar, p4e, p4nu, p4d, p4pi, p4pip, p4pim;
char udecay_name[100];
strcpy( udecay_name, "exampleFiles/TEST1.DEC" );
// EvtGen myGenerator(decay_name,pdttable_name,myRandomEngine);
myGenerator.readUDecay( udecay_name );
double costhetaV;
count = 1;
do {
EvtVector4R p_init( EvtPDL::getMass( UPS4 ), 0.0, 0.0, 0.0 );
EvtParticle* root_part = EvtParticleFactory::particleFactory( UPS4,
p_init );
root_part->setVectorSpinDensity();
myGenerator.generateDecay( root_part );
p4b0 = root_part->getDaug( 0 )->getP4Lab();
p4b0b = root_part->getDaug( 1 )->getP4Lab();
p4dstar = root_part->getDaug( 0 )->getDaug( 0 )->getP4Lab();
p4e = root_part->getDaug( 0 )->getDaug( 1 )->getP4Lab();
p4nu = root_part->getDaug( 0 )->getDaug( 2 )->getP4Lab();
p4d = root_part->getDaug( 0 )->getDaug( 0 )->getDaug( 0 )->getP4Lab();
p4pi = root_part->getDaug( 0 )->getDaug( 0 )->getDaug( 1 )->getP4Lab();
p4pip = root_part->getDaug( 1 )->getDaug( 0 )->getP4Lab();
p4pim = root_part->getDaug( 1 )->getDaug( 1 )->getP4Lab();
costhetaB->Fill( p4b0.get( 3 ) / p4b0.d3mag() );
phiB->Fill( atan2( p4b0.get( 1 ), p4b0.get( 2 ) ) );
Elep->Fill( p4b0 * p4e / p4b0.mass() );
q2->Fill( ( p4e + p4nu ).mass2() );
dt->Fill( root_part->getDaug( 1 )->getLifetime() -
root_part->getDaug( 0 )->getLifetime() );
costhetaV = EvtDecayAngle( p4b0, p4d + p4pi, p4d );
ctv->Fill( costhetaV );
if ( costhetaV < 0.0 ) {
chi_low_ctv->Fill( EvtDecayAngleChi( p4b0, p4d, p4pi, p4e, p4nu ) );
} else {
chi_high_ctv->Fill( EvtDecayAngleChi( p4b0, p4d, p4pi, p4e, p4nu ) );
}
root_part->deleteTree();
} while ( count++ < nevent );
file->Write();
file->Close();
// delete theApp;
// hfile.write();
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << "SUCCESS\n";
}
//*******************************************************************************
void runDDK( int nevent, EvtGen& myGenerator )
{
// TFile *file=new TFile("test1.root", "RECREATE");
static EvtId UPS4 = EvtPDL::getId( std::string( "Upsilon(4S)" ) );
int count;
char udecay_name[100];
strcpy( udecay_name, "exampleFiles/GENERIC.DEC" );
myGenerator.readUDecay( udecay_name );
count = 1;
static EvtId kp = EvtPDL::getId( std::string( "K+" ) );
static EvtId km = EvtPDL::getId( std::string( "K-" ) );
static EvtId ks = EvtPDL::getId( std::string( "K_S0" ) );
static EvtId kl = EvtPDL::getId( std::string( "K_L0" ) );
static EvtId k0 = EvtPDL::getId( std::string( "K0" ) );
static EvtId kb = EvtPDL::getId( std::string( "anti-K0" ) );
static EvtId d0 = EvtPDL::getId( std::string( "D0" ) );
static EvtId dp = EvtPDL::getId( std::string( "D+" ) );
static EvtId dm = EvtPDL::getId( std::string( "D-" ) );
static EvtId db = EvtPDL::getId( std::string( "anti-D0" ) );
static EvtIdSet theKs( kp, km, ks, kl, k0, kb );
static EvtIdSet theDs( d0, dp, dm, db );
static EvtId B0 = EvtPDL::getId( std::string( "B0" ) );
static EvtId B0B = EvtPDL::getId( std::string( "anti-B0" ) );
static EvtId BP = EvtPDL::getId( std::string( "B+" ) );
static EvtId BM = EvtPDL::getId( std::string( "B-" ) );
static EvtIdSet theBs( B0B, B0, BP, BM );
int nDDK = 0;
do {
EvtVector4R p_init( EvtPDL::getMass( UPS4 ), 0.0, 0.0, 0.0 );
EvtParticle* root_part = EvtParticleFactory::particleFactory( UPS4,
p_init );
root_part->setVectorSpinDensity();
myGenerator.generateDecay( root_part );
EvtParticle* theB01 = root_part->getDaug( 0 );
EvtParticle* theB02 = root_part->getDaug( 1 );
int nD = 0;
int nK = 0;
EvtParticle* p = theB01;
do {
EvtId type = p->getId();
EvtId typePar = p->getParent()->getId();
if ( theDs.contains( type ) )
nD++;
if ( theKs.contains( type ) && theBs.contains( typePar ) )
nK++;
p = p->nextIter( theB01 );
} while ( p != 0 );
if ( nD == 2 && nK == 1 )
nDDK++;
nD = 0;
nK = 0;
p = theB02;
do {
EvtId type = p->getId();
EvtId typePar = p->getParent()->getId();
if ( theDs.contains( type ) )
nD++;
if ( theKs.contains( type ) && theBs.contains( typePar ) )
nK++;
p = p->nextIter( theB02 );
} while ( p != 0 );
if ( nD == 2 && nK == 1 )
nDDK++;
root_part->deleteTree();
} while ( count++ < nevent );
EvtGenReport( EVTGEN_INFO, "EvtGen" )
<< nDDK << " " << ( count - 1 ) << " "
<< nDDK / float( 2 * ( count - 1 ) ) << std::endl;
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << "SUCCESS\n";
}
//*******************************************************************************
void runTest2( int nevent, EvtGen& myGenerator )
{
TFile* file = new TFile( "test2.root", "RECREATE" );
static EvtId UPS4 = EvtPDL::getId( std::string( "Upsilon(4S)" ) );
TH1F* costhetaB = new TH1F( "h1", "cos[Q]?B!", 50, -1.0, 1.0 );
TH1F* phiB = new TH1F( "h2", "[f]?B!", 50, -EvtConst::pi, EvtConst::pi );
TH1F* dt = new TH1F( "h3", "[D]t", 100, -5.0, 5.0 );
TH1F* costhetaJpsi = new TH1F( "h4", "cos[Q]?J/[y]!", 50, -1.0, 1.0 );
TH1F* costhetaKstar = new TH1F( "h5", "cos[Q]?K*!", 50, -1.0, 1.0 );
TH1F* chi = new TH1F( "h6", "[h]", 50, 0.0, EvtConst::twoPi );
TH1F* chi1 = new TH1F( "h26", "[h] [D]t\"L#0", 50, 0.0, EvtConst::twoPi );
TH1F* chi2 = new TH1F( "h27", "[h] [D]t\"G#0", 50, 0.0, EvtConst::twoPi );
TH1F* costhetaomega = new TH1F( "h7", "costhetaomega", 50, -1.0, 1.0 );
TH1F* costhetaomega1 = new TH1F( "h20", "costhetaomega1", 50, -1.0, 1.0 );
TH1F* costhetaomega2 = new TH1F( "h21", "costhetaomega2", 50, -1.0, 1.0 );
TH1F* costhetaomega3 = new TH1F( "h22", "costhetaomega3", 50, -1.0, 1.0 );
TH1F* omegaamp = new TH1F( "h8", "omegaamp", 50, 0.0, 0.05 );
TH1F* omegaamp1 = new TH1F( "h9", "omegaamp1", 50, 0.0, 0.05 );
TH1F* omegaamp2 = new TH1F( "h10", "omegaamp2", 50, 0.0, 0.05 );
TH1F* omegaamp3 = new TH1F( "h11", "omegaamp3", 50, 0.0, 0.05 );
TH2F* chi1vscoskstarl = new TH2F( "h30", "[h] vs. cos[Q]?J/[y]! [D]t\"L#0",
20, 0.0, EvtConst::twoPi, 20, -1.0, 1.0 );
TH2F* chi1vscoskstarg = new TH2F( "h31", "[h] vs. cos[Q]?J/[y]! [D]t\"G#0",
20, 0.0, EvtConst::twoPi, 20, -1.0, 1.0 );
int count = 1;
EvtVector4R p4_b0, p4_b0b, p4_psi, p4_kstar, p4_mup, p4_mum;
EvtVector4R p4_kz, p4_pi0, p4_pi1, p4_pi2, p4_pi3, p4_omega;
EvtVector4R p4_pi1_omega, p4_pi2_omega, p4_pi3_omega;
char udecay_name[100];
strcpy( udecay_name, "exampleFiles/TEST2.DEC" );
//EvtGen myGenerator(decay_name,pdttable_name,myRandomEngine);
myGenerator.readUDecay( udecay_name );
do {
EvtVector4R p_init( EvtPDL::getMass( UPS4 ), 0.0, 0.0, 0.0 );
EvtParticle* root_part = EvtParticleFactory::particleFactory( UPS4,
p_init );
root_part->setVectorSpinDensity();
myGenerator.generateDecay( root_part );
p4_b0 = root_part->getDaug( 0 )->getP4Lab();
p4_b0b = root_part->getDaug( 1 )->getP4Lab();
p4_psi = root_part->getDaug( 1 )->getDaug( 0 )->getP4Lab();
p4_kstar = root_part->getDaug( 1 )->getDaug( 1 )->getP4Lab();
p4_mup = root_part->getDaug( 1 )->getDaug( 0 )->getDaug( 0 )->getP4Lab();
p4_mum = root_part->getDaug( 1 )->getDaug( 0 )->getDaug( 1 )->getP4Lab();
p4_kz = root_part->getDaug( 1 )->getDaug( 1 )->getDaug( 0 )->getP4Lab();
p4_pi0 = root_part->getDaug( 1 )->getDaug( 1 )->getDaug( 1 )->getP4Lab();
p4_omega = root_part->getDaug( 0 )->getDaug( 0 )->getP4Lab();
p4_pi1 = root_part->getDaug( 0 )->getDaug( 0 )->getDaug( 0 )->getP4Lab();
p4_pi2 = root_part->getDaug( 0 )->getDaug( 0 )->getDaug( 1 )->getP4Lab();
p4_pi3 = root_part->getDaug( 0 )->getDaug( 0 )->getDaug( 2 )->getP4Lab();
//get momentum in the omega restframe
p4_pi1_omega =
root_part->getDaug( 0 )->getDaug( 0 )->getDaug( 0 )->getP4();
p4_pi2_omega =
root_part->getDaug( 0 )->getDaug( 0 )->getDaug( 1 )->getP4();
p4_pi3_omega =
root_part->getDaug( 0 )->getDaug( 0 )->getDaug( 2 )->getP4();
EvtVector3R p3_perp =
cross( EvtVector3R( p4_pi2_omega.get( 0 ), p4_pi2_omega.get( 1 ),
p4_pi2_omega.get( 2 ) ),
EvtVector3R( p4_pi3_omega.get( 0 ), p4_pi3_omega.get( 1 ),
p4_pi3_omega.get( 2 ) ) );
EvtVector4R p4_perp( p3_perp.d3mag(), p3_perp.get( 0 ),
p3_perp.get( 1 ), p3_perp.get( 2 ) );
root_part->getDaug( 0 )->getDaug( 0 )->getDaug( 0 )->setP4( p4_perp );
p4_perp = root_part->getDaug( 0 )->getDaug( 0 )->getDaug( 0 )->getP4Lab();
EvtVector4R p4_perpprime = p4_omega - p4_perp;
double d_omegaamp = EvtVector3R( p4_pi1_omega.get( 0 ),
p4_pi1_omega.get( 1 ),
p4_pi1_omega.get( 2 ) ) *
p3_perp;
d_omegaamp *= d_omegaamp;
d_omegaamp *= 20.0;
double d_dt = root_part->getDaug( 1 )->getLifetime() -
root_part->getDaug( 0 )->getLifetime();
double d_costhetaJpsi = EvtDecayAngle( p4_b0b, p4_mup + p4_mum, p4_mup );
double d_costhetaKstar = EvtDecayAngle( p4_b0b, p4_pi0 + p4_kz, p4_pi0 );
double d_chi = EvtDecayAngleChi( p4_b0b, p4_pi0, p4_kz, p4_mup, p4_mum );
costhetaB->Fill( p4_b0.get( 3 ) / p4_b0.d3mag() );
phiB->Fill( atan2( p4_b0.get( 1 ), p4_b0.get( 2 ) ) );
dt->Fill( d_dt );
costhetaJpsi->Fill( d_costhetaJpsi );
costhetaKstar->Fill( d_costhetaKstar );
chi->Fill( d_chi );
if ( d_dt < 0.0 ) {
chi1->Fill( d_chi );
chi1vscoskstarl->Fill( d_chi, d_costhetaJpsi, 1.0 );
}
if ( d_dt > 0.0 ) {
chi2->Fill( d_chi );
chi1vscoskstarg->Fill( d_chi, d_costhetaJpsi, 1.0 );
}
double d_costhetaomega = EvtDecayAngle( p4_b0b, p4_perp + p4_perpprime,
p4_perp );
costhetaomega->Fill( d_costhetaomega );
if ( d_omegaamp < 0.001 )
costhetaomega1->Fill( d_costhetaomega );
if ( d_omegaamp > 0.02 )
costhetaomega2->Fill( d_costhetaomega );
if ( std::fabs( d_omegaamp - 0.015 ) < 0.005 )
costhetaomega3->Fill( d_costhetaomega );
omegaamp->Fill( d_omegaamp );
if ( d_costhetaomega < -0.5 )
omegaamp1->Fill( d_omegaamp );
if ( d_costhetaomega > 0.5 )
omegaamp2->Fill( d_omegaamp );
if ( std::fabs( d_costhetaomega ) < 0.5 )
omegaamp3->Fill( d_omegaamp );
root_part->deleteTree();
} while ( count++ < nevent );
file->Write();
file->Close();
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << "SUCCESS\n";
}
void runOmega( int nevent, EvtGen& myGenerator )
{
TFile* file = new TFile( "omega.root", "RECREATE" );
static EvtId OMEGA = EvtPDL::getId( std::string( "omega" ) );
TH2F* dalitz = new TH2F( "h1", "E1 vs E2", 50, 0.0, 0.5, 50, 0.0, 0.5 );
int count = 1;
char udecay_name[100];
strcpy( udecay_name, "exampleFiles/OMEGA.DEC" );
myGenerator.readUDecay( udecay_name );
do {
EvtVector4R p_init( EvtPDL::getMeanMass( OMEGA ), 0.0, 0.0, 0.0 );
EvtParticle* root_part = EvtParticleFactory::particleFactory( OMEGA,
p_init );
//root_part->setDiagonalSpinDensity();
root_part->setVectorSpinDensity();
myGenerator.generateDecay( root_part );
dalitz->Fill( root_part->getDaug( 0 )->getP4().get( 0 ),
root_part->getDaug( 1 )->getP4().get( 0 ), 1.0 );
root_part->deleteTree();
} while ( count++ < nevent );
file->Write();
file->Close();
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << "SUCCESS\n";
}
void runChi1Kstar( int nevent, EvtGen& myGenerator )
{
TFile* file = new TFile( "chi1kstar.root", "RECREATE" );
static EvtId B0 = EvtPDL::getId( std::string( "B0" ) );
TH1F* costhetaChi1 = new TH1F( "h1", "cos[Q]?J/[x]!", 50, -1.0, 1.0 );
TH1F* costhetaKstar = new TH1F( "h2", "cos[Q]?K*!", 50, -1.0, 1.0 );
TH1F* chi = new TH1F( "h3", "[x]", 50, -EvtConst::pi, EvtConst::pi );
int count = 1;
EvtVector4R p4_b, p4_chi, p4_kstar, p4_gamma, p4_psi, p4_k, p4_p;
char udecay_name[100];
strcpy( udecay_name, "exampleFiles/CHI1KSTAR.DEC" );
myGenerator.readUDecay( udecay_name );
do {
EvtVector4R p_init( EvtPDL::getMass( B0 ), 0.0, 0.0, 0.0 );
EvtParticle* root_part = EvtParticleFactory::particleFactory( B0, p_init );
myGenerator.generateDecay( root_part );
p4_b = root_part->getP4Lab();
p4_chi = root_part->getDaug( 0 )->getP4Lab();
p4_kstar = root_part->getDaug( 1 )->getP4Lab();
p4_psi = root_part->getDaug( 0 )->getDaug( 0 )->getP4Lab();
p4_gamma = root_part->getDaug( 0 )->getDaug( 1 )->getP4Lab();
p4_k = root_part->getDaug( 1 )->getDaug( 0 )->getP4Lab();
p4_p = root_part->getDaug( 1 )->getDaug( 1 )->getP4Lab();
double d_costhetaChi1 = EvtDecayAngle( p4_b, p4_chi, p4_psi );
double d_costhetaKstar = EvtDecayAngle( p4_b, p4_kstar, p4_k );
double d_chi = EvtDecayAngleChi( p4_b, p4_k, p4_p, p4_psi, p4_gamma );
if ( d_chi > EvtConst::pi )
d_chi -= EvtConst::twoPi;
costhetaChi1->Fill( d_costhetaChi1 );
costhetaKstar->Fill( d_costhetaKstar );
chi->Fill( d_chi );
root_part->deleteTree();
} while ( count++ < nevent );
file->Write();
file->Close();
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << "SUCCESS\n";
}
void runAlias()
{
EvtId idpip = EvtPDL::getId( std::string( "pi+" ) );
EvtPDL::alias( idpip, std::string( "my_pi+" ) );
EvtId myidpip = EvtPDL::getId( std::string( "my_pi+" ) );
EvtId idpim = EvtPDL::getId( std::string( "pi-" ) );
EvtPDL::alias( idpim, std::string( "my_pi-" ) );
EvtId myidpim = EvtPDL::getId( std::string( "my_pi-" ) );
EvtId idpi0 = EvtPDL::getId( std::string( "pi0" ) );
EvtPDL::alias( idpi0, std::string( "my_pi0" ) );
EvtId myidpi0 = EvtPDL::getId( std::string( "my_pi0" ) );
EvtPDL::aliasChgConj( myidpip, myidpim );
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << "Id pi+:" << idpip << std::endl;
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << "Id pi-:" << idpim << std::endl;
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << "Id pi0:" << idpi0 << std::endl;
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << "Id my_pi+:" << myidpip << std::endl;
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << "Id my_pi-:" << myidpim << std::endl;
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << "Id my_pi0:" << myidpi0 << std::endl;
EvtGenReport( EVTGEN_INFO, "EvtGen" )
<< "Chg conj pi+:" << EvtPDL::chargeConj( idpip ) << std::endl;
EvtGenReport( EVTGEN_INFO, "EvtGen" )
<< "Chg conj pi-:" << EvtPDL::chargeConj( idpim ) << std::endl;
EvtGenReport( EVTGEN_INFO, "EvtGen" )
<< "Chg conj pi0:" << EvtPDL::chargeConj( idpi0 ) << std::endl;
EvtGenReport( EVTGEN_INFO, "EvtGen" )
<< "Chg conj my_pi+:" << EvtPDL::chargeConj( myidpip ) << std::endl;
EvtGenReport( EVTGEN_INFO, "EvtGen" )
<< "Chg conj my_pi-:" << EvtPDL::chargeConj( myidpim ) << std::endl;
EvtGenReport( EVTGEN_INFO, "EvtGen" )
<< "Chg conj my_pi0:" << EvtPDL::chargeConj( myidpi0 ) << std::endl;
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << "SUCCESS\n";
}
void runRepeat( int nevent )
{
int i;
for ( i = 0; i < nevent; i++ ) {
EvtDecayTable::getInstance()->readDecayFile(
std::string( "../DECAY.DEC" ) );
}
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << "SUCCESS\n";
}
void runPhotos( int nevent, EvtGen& myGenerator )
{
static EvtId PSI = EvtPDL::getId( std::string( "J/psi" ) );
TFile* file = new TFile( "photos.root", "RECREATE" );
TH1F* mee = new TH1F( "h1", "mee", 60, 3.0, 3.12 );
int count = 1;
EvtVector4R e1, e2;
char udecay_name[100];
strcpy( udecay_name, "exampleFiles/PHOTOS.DEC" );
//EvtGen myGenerator(decay_name,pdttable_name,myRandomEngine);
myGenerator.readUDecay( udecay_name );
do {
EvtVector4R p_init( EvtPDL::getMass( PSI ), 0.0, 0.0, 0.0 );
EvtParticle* root_part = EvtParticleFactory::particleFactory( PSI,
p_init );
root_part->setDiagonalSpinDensity();
myGenerator.generateDecay( root_part );
e1 = root_part->getDaug( 0 )->getP4Lab();
e2 = root_part->getDaug( 1 )->getP4Lab();
mee->Fill( ( e1 + e2 ).mass() );
root_part->deleteTree();
} while ( count++ < nevent );
file->Write();
file->Close();
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << "SUCCESS\n";
}
void runFinalStates( int nevent, EvtGen& myGenerator )
{
//Parse the table of particles to find..
EvtParser parser;
parser.read( std::string( "exampleFiles/finalstates.list" ) );
std::vector<std::string> dList[20];
int dListNum[20];
std::vector<std::string>* dListItem = 0;
std::string dListName[20];
int ik, lk;
std::string tk = "";
int tline = -1;
std::string parent;
for ( ik = 0; ik < parser.getNToken(); ik++ ) {
lk = tline;
tline = parser.getLineofToken( ik );
tk = parser.getToken( ik );
if ( lk != tline && tline > 2 ) {
if ( tline > 1 ) {
dList[tline - 3] = *dListItem;
dListItem = new std::vector<std::string>;
dListNum[tline - 3] = 0;
dListName[tline - 2] = parser.getToken( ik );
}
} else {
if ( tline == 1 ) {
//This is the parent particle name
parent = parser.getToken( ik );
dListItem = new std::vector<std::string>;
} else {
//This is one of the daughters
if ( tline != 2 || ( lk == tline ) ) {
dListItem->push_back( parser.getToken( ik ) );
}
if ( tline == 2 && ( lk != tline ) ) {
dListName[tline - 2] = parser.getToken( ik );
}
}
}
}
dList[tline - 2] = *dListItem;
dListNum[tline - 2] = 0;
static EvtId parId = EvtPDL::getId( parent );
int count = 0;
do {
if ( count == 1000 * ( count / 1000 ) ) {
//if (count==1*(count/1)) {
EvtGenReport( EVTGEN_INFO, "EvtGen" )
<< "Event:" << count << std::endl;
//EvtGenReport(EVTGEN_INFO,"EvtGen") << HepRandom::getTheSeed()<<std::endl;
}
EvtVector4R p_init( EvtPDL::getMass( parId ), 0.0, 0.0, 0.0 );
EvtParticle* root_part = EvtParticleFactory::particleFactory( parId,
p_init );
if ( parent == "Upsilon(4S)" ) {
root_part->setVectorSpinDensity();
} else {
root_part->setDiagonalSpinDensity();
}
myGenerator.generateDecay( root_part );
EvtParticle* p = root_part;
std::vector<std::string> fs = findFinalState( p );
int j;
for ( j = 0; j < ( tline - 1 ); j++ ) {
std::vector<std::string> temp = dList[j];
if ( temp.size() == fs.size() ) {
bool foundIt = true;
unsigned int k, l;
std::vector<bool> alreadyUsed( temp.size() );
for ( k = 0; k < temp.size(); k++ ) {
bool foundThisOne = false;
for ( l = 0; l < temp.size(); l++ ) {
if ( k == 0 )
alreadyUsed[l] = false;
if ( foundThisOne || alreadyUsed[l] )
continue;
if ( temp[k] == fs[l] ) {
alreadyUsed[l] = true;
foundThisOne = true;
// EvtGenReport(EVTGEN_INFO,"EvtGen") << "found daughter " << k << " " << l << std::endl;
}
}
if ( !foundThisOne )
foundIt = false;
}
if ( foundIt ) { //EvtGenReport(EVTGEN_INFO,"EvtGen") << "found a cand \n"; (histo1[j])->Fill(0.5);
//EvtGenReport(EVTGEN_INFO,"EvtGen") << "found one " << j << std::endl;
dListNum[j]++;
}
}
}
root_part->deleteTree();
count++;
} while ( count < nevent );
int j;
for ( j = 0; j < ( tline - 1 ); j++ )
EvtGenReport( EVTGEN_INFO, "EvtGen" )
<< dListName[j].c_str() << " " << j << " " << dListNum[j] << " "
<< count << " " << ( dListNum[j] / ( 1.0 * count ) ) << std::endl;
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << "SUCCESS\n";
}
std::vector<std::string> findFinalState( EvtParticle* tree )
{
EvtParticle* p = tree;
std::vector<std::string> fs;
static EvtId ep = EvtPDL::getId( std::string( "e+" ) );
static EvtId em = EvtPDL::getId( std::string( "e-" ) );
static EvtId kp = EvtPDL::getId( std::string( "K+" ) );
static EvtId km = EvtPDL::getId( std::string( "K-" ) );
static EvtId mup = EvtPDL::getId( std::string( "mu+" ) );
static EvtId mum = EvtPDL::getId( std::string( "mu-" ) );
static EvtId pip = EvtPDL::getId( std::string( "pi+" ) );
static EvtId pim = EvtPDL::getId( std::string( "pi-" ) );
static EvtId pi0 = EvtPDL::getId( std::string( "pi0" ) );
static EvtId pr = EvtPDL::getId( std::string( "p+" ) );
static EvtId apr = EvtPDL::getId( std::string( "anti-p-" ) );
static EvtId ne = EvtPDL::getId( std::string( "n0" ) );
static EvtId ane = EvtPDL::getId( std::string( "anti-n0" ) );
do {
EvtId type = p->getId();
if ( type == ep )
fs.push_back( std::string( "e+" ) );
if ( type == em )
fs.push_back( std::string( "e-" ) );
if ( type == mup )
fs.push_back( std::string( "mu+" ) );
if ( type == mum )
fs.push_back( std::string( "mu-" ) );
if ( type == kp )
fs.push_back( std::string( "K+" ) );
if ( type == km )
fs.push_back( std::string( "K-" ) );
if ( type == pip )
fs.push_back( std::string( "pi+" ) );
if ( type == pim )
fs.push_back( std::string( "pi-" ) );
if ( type == pi0 )
fs.push_back( std::string( "pi0" ) );
if ( type == pr )
fs.push_back( std::string( "p+" ) );
if ( type == apr )
fs.push_back( std::string( "anti-p-" ) );
if ( type == ne )
fs.push_back( std::string( "n0" ) );
if ( type == ane )
fs.push_back( std::string( "anti-n0" ) );
p = p->nextIter();
} while ( p != 0 );
return fs;
}
void runTrackMult( int nevent, EvtGen& myGenerator )
{
TFile* file = new TFile( "trackmult.root", "RECREATE" );
TH1F* trackAll = new TH1F( "trackAll", "trackAll", 12, 1.0, 25.0 );
TH1F* trackNoSL = new TH1F( "trackNoSL", "trackNoSL", 12, 1.0, 25.0 );
TH1F* track1SL = new TH1F( "track1SL", "track1SL", 12, 1.0, 25.0 );
TH1F* track2SL = new TH1F( "track2SL", "track2SL", 12, 1.0, 25.0 );
static EvtId UPS4 = EvtPDL::getId( std::string( "Upsilon(4S)" ) );
static EvtId B0 = EvtPDL::getId( std::string( "B0" ) );
static EvtId B0B = EvtPDL::getId( std::string( "anti-B0" ) );
static EvtId BP = EvtPDL::getId( std::string( "B+" ) );
static EvtId BM = EvtPDL::getId( std::string( "B-" ) );
//look for these tracks in generic events
static EvtId ep = EvtPDL::getId( std::string( "e+" ) );
static EvtId em = EvtPDL::getId( std::string( "e-" ) );
static EvtId mup = EvtPDL::getId( std::string( "mu+" ) );
static EvtId mum = EvtPDL::getId( std::string( "mu-" ) );
static EvtId pip = EvtPDL::getId( std::string( "pi+" ) );
static EvtId pim = EvtPDL::getId( std::string( "pi-" ) );
static EvtId kp = EvtPDL::getId( std::string( "K+" ) );
static EvtId km = EvtPDL::getId( std::string( "K-" ) );
static EvtId pp = EvtPDL::getId( std::string( "p+" ) );
static EvtId pm = EvtPDL::getId( std::string( "anti-p-" ) );
static EvtIdSet theTracks( ep, em, mup, mum, pip, pim, kp, km, pp, pm );
static EvtIdSet theLeptons( ep, em, mup, mum );
static EvtIdSet theBs( B0, B0B, BP, BM );
int count = 1;
EvtParticle* p;
myGenerator.readUDecay( "exampleFiles/GENERIC.DEC" );
int totTracks = 0;
int totTracksNoSL = 0;
int totTracks1SL = 0;
int totTracks2SL = 0;
int totNoSL = 0;
int tot1SL = 0;
int tot2SL = 0;
do {
int evTracks = 0;
if ( count == 1000 * ( count / 1000 ) ) {
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << count << std::endl;
//EvtGenReport(EVTGEN_INFO,"EvtGen") << HepRandom::getTheSeed()<<std::endl;
}
EvtVector4R p_init( EvtPDL::getMass( UPS4 ), 0.0, 0.0, 0.0 );
EvtParticle* root_part = EvtParticleFactory::particleFactory( UPS4,
p_init );
root_part->setVectorSpinDensity();
myGenerator.generateDecay( root_part );
p = root_part;
int howManySL = 0;
do {
if ( theTracks.contains( p->getId() ) ) {
totTracks += 1;
evTracks += 1;
}
if ( theLeptons.contains( p->getId() ) ) {
if ( p->getParent() ) {
if ( theBs.contains( p->getParent()->getId() ) )
howManySL += 1;
}
}
p = p->nextIter( root_part );
} while ( p != 0 );
//Now need to figure out which histogram to book
trackAll->Fill( evTracks );
if ( howManySL == 0 ) {
trackNoSL->Fill( evTracks );
totNoSL += 1;
totTracksNoSL += evTracks;
}
if ( howManySL == 1 ) {
track1SL->Fill( evTracks );
tot1SL += 1;
totTracks1SL += evTracks;
}
if ( howManySL == 2 ) {
track2SL->Fill( evTracks );
tot2SL += 1;
totTracks2SL += evTracks;
}
root_part->deleteTree();
} while ( count++ < nevent );
double aveMulti = float( totTracks ) / float( nevent );
double aveMultiNoSL = float( totTracksNoSL ) / float( totNoSL );
double aveMulti1SL = float( totTracks1SL ) / float( tot1SL );
double aveMulti2SL = float( totTracks2SL ) / float( tot2SL );
EvtGenReport( EVTGEN_INFO, "EvtGen" )
<< "Your average multiplicity=" << aveMulti << std::endl;
EvtGenReport( EVTGEN_INFO, "EvtGen" )
<< "Your average multiplicity for no B->semileptonic events="
<< aveMultiNoSL << std::endl;
EvtGenReport( EVTGEN_INFO, "EvtGen" )
<< "Your average multiplicity for 1 B->semileptonic events="
<< aveMulti1SL << std::endl;
EvtGenReport( EVTGEN_INFO, "EvtGen" )
<< "Your average multiplicity for 2 B->semileptonic events="
<< aveMulti2SL << std::endl;
file->Write();
file->Close();
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << "SUCCESS\n";
}
void runGeneric( int neventOrig, EvtGen& myGenerator, std::string listfile )
{
int nevent = abs( neventOrig );
//Parse the table of particles to find..
TFile* file = new TFile( "generic.root", "RECREATE" );
static EvtId UPS4 = EvtPDL::getId( std::string( "Upsilon(4S)" ) );
static EvtId VPHO = EvtPDL::getId( std::string( "vpho" ) );
static EvtId B0 = EvtPDL::getId( std::string( "B0" ) );
static EvtId B0B = EvtPDL::getId( std::string( "anti-B0" ) );
static EvtId BP = EvtPDL::getId( std::string( "B+" ) );
static EvtId BM = EvtPDL::getId( std::string( "B-" ) );
static EvtIdSet theBs( B0B, B0, BP, BM );
static EvtIdSet theB0B( B0B );
static EvtIdSet theB0( B0 );
static EvtIdSet theBP( BP );
static EvtIdSet theBM( BM );
static EvtId D0 = EvtPDL::getId( std::string( "D0" ) );
static EvtId D0B = EvtPDL::getId( std::string( "anti-D0" ) );
static EvtId DP = EvtPDL::getId( std::string( "D+" ) );
static EvtId DM = EvtPDL::getId( std::string( "D-" ) );
static EvtIdSet theDs( D0B, D0, DP, DM );
static EvtIdSet theD0B( D0B );
static EvtIdSet theD0( D0 );
static EvtIdSet theDP( DP );
static EvtIdSet theDM( DM );
int count;
char udecay_name[100];
strcpy( udecay_name, "exampleFiles/GENERIC.DEC" );
myGenerator.readUDecay( udecay_name );
if ( listfile != "" ) {
EvtParser parser;
if ( parser.read( listfile ) != 0 ) {
EvtGenReport( EVTGEN_ERROR, "EvtGen" )
<< "Will terminate." << std::endl;
exit( -1 );
}
std::vector<TH1F*> histo1( parser.getNToken() );
std::vector<TH1F*> histo2( parser.getNToken() );
std::vector<TH1F*> massHisto( parser.getNToken() );
int ik;
std::string tk, tkname;
for ( ik = 0; ik < ( parser.getNToken() / 2 ); ik++ ) {
tk = parser.getToken( 2 * ik );
tkname = parser.getToken( 1 + 2 * ik );
histo1[ik] = new TH1F( tkname.c_str(), tkname.c_str(), 30, 0.0, 3.0 );
char* directName;
directName = new char[( strlen( tkname.c_str() ) + 8 )];
directName = strcpy( directName, tkname.c_str() );
directName = strcat( directName, "Direct" );
histo2[ik] = new TH1F( directName, directName, 30, 0.0, 3.0 );
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;
}
count = 1;
std::vector<int> temp( parser.getNToken() / 2, 0 );
std::vector<int> tempB( parser.getNToken() / 2, 0 );
std::vector<int> tempB0B( parser.getNToken() / 2, 0 );
std::vector<int> tempB0( parser.getNToken() / 2, 0 );
std::vector<int> tempBP( parser.getNToken() / 2, 0 );
std::vector<int> tempBM( parser.getNToken() / 2, 0 );
std::vector<int> tempD( parser.getNToken() / 2, 0 );
std::vector<int> tempD0B( parser.getNToken() / 2, 0 );
std::vector<int> tempD0( parser.getNToken() / 2, 0 );
std::vector<int> tempDP( parser.getNToken() / 2, 0 );
std::vector<int> tempDM( parser.getNToken() / 2, 0 );
do {
//EvtGenReport(EVTGEN_INFO,"EvtGen") << "new event\n";
if ( count == 1000 * ( count / 1000 ) ) {
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << count << std::endl;
//EvtGenReport(EVTGEN_INFO,"EvtGen") << HepRandom::getTheSeed()<<std::endl;
}
EvtVector4R p_init( sqrt( EvtPDL::getMass( UPS4 ) *
EvtPDL::getMass( UPS4 ) +
5.9 * 5.9 ),
0.0, 0.0, 5.9 );
EvtParticle* root_part = 0;
if ( neventOrig > 0 ) {
root_part = EvtParticleFactory::particleFactory( UPS4, p_init );
} else {
root_part = EvtParticleFactory::particleFactory( VPHO, p_init );
}
root_part->setVectorSpinDensity();
myGenerator.generateDecay( root_part );
//EvtStdHep stdhep;
//stdhep.init();
//root_part->makeStdHep(stdhep);
//EvtGenReport(EVTGEN_INFO,"EvtGen") <<stdhep<<std::endl;
//EvtGenReport(EVTGEN_INFO,"EvtGen") <<secondary<<std::endl;
std::string token;
int itok;
for ( itok = 0; itok < ( parser.getNToken() / 2 ); itok++ ) {
token = parser.getToken( 2 * itok );
//temp[itok]+=countInclusive(token,root_part);
temp[itok] += countInclusive( token, root_part, histo1[itok],
massHisto[itok] );
tempB[itok] += countInclusiveParent( token, root_part, theBs,
histo2[itok] );
tempB0[itok] += countInclusiveSubTree( token, root_part, theB0 );
tempB0B[itok] += countInclusiveSubTree( token, root_part, theB0B );
tempBP[itok] += countInclusiveSubTree( token, root_part, theBP );
tempBM[itok] += countInclusiveSubTree( token, root_part, theBM );
// tempD[itok]+=countInclusiveParent(token,root_part,theDs);
// tempD0[itok]+=countInclusiveSubTree(token,root_part,theD0);
// tempD0B[itok]+=countInclusiveSubTree(token,root_part,theD0B);
// tempDP[itok]+=countInclusiveSubTree(token,root_part,theDP);
// tempDM[itok]+=countInclusiveSubTree(token,root_part,theDM);
}
// numd0+=countInclusive("D0",root_part);
// numd0b+=countInclusive("anti-D0",root_part);
// numdp+=countInclusive("D+",root_part);
// numdm+=countInclusive("D-",root_part);
// root_part->printTree();
root_part->deleteTree();
} while ( count++ < nevent );
int itok;
std::string token;
for ( itok = 0; itok < ( parser.getNToken() / 2 ); itok++ ) {
token = parser.getToken( 2 * itok );
float br = 0.5 * float( temp[itok] ) / float( nevent );
EvtGenReport( EVTGEN_INFO, "EvtGen" )
<< "Found " << temp[itok] << " " << token.c_str() << " in "
<< nevent << " events. Average number of " << token.c_str()
<< " per B meson=" << br << std::endl;
br = 0.5 * float( tempB[itok] ) / float( nevent );
EvtGenReport( EVTGEN_INFO, "EvtGen" )
<< "Found " << tempB[itok] << " " << token.c_str()
<< " produced directly in decays of B mesons avg. br.fr.=" << br
<< std::endl;
br = 2.0 * float( tempB0[itok] ) / float( nevent );
EvtGenReport( EVTGEN_INFO, "EvtGen" )
<< "Found " << tempB0[itok] << " " << token.c_str()
<< " in decay tree of B0, br.fr.=" << br << std::endl;
br = 2.0 * float( tempB0B[itok] ) / float( nevent );
EvtGenReport( EVTGEN_INFO, "EvtGen" )
<< "Found " << tempB0B[itok] << " " << token.c_str()
<< " in decay tree of anti-B0, br.fr.=" << br << std::endl;
br = 2.0 * float( tempBP[itok] ) / float( nevent );
EvtGenReport( EVTGEN_INFO, "EvtGen" )
<< "Found " << tempBP[itok] << " " << token.c_str()
<< " in decay tree of B+, br.fr.=" << br << std::endl;
br = 2.0 * float( tempBM[itok] ) / float( nevent );
EvtGenReport( EVTGEN_INFO, "EvtGen" )
<< "Found " << tempBM[itok] << " " << token.c_str()
<< " in decay tree of B-, br.fr.=" << br << std::endl;
// br=0.5*float(tempD[itok])/float(numd0+numd0b+numdm+numdp);
// EvtGenReport(EVTGEN_INFO,"EvtGen") << "Found "<<tempD[itok]<<" "<<token
// << " produced directly in decays of D mesons avg. br.fr.="
// <<br<<std::endl;
// br=2.0*float(tempD0[itok])/float(numd0);
// EvtGenReport(EVTGEN_INFO,"EvtGen") << "Found "<<tempD0[itok]<<" "<<token
// << " in decay of D0, br.fr.="<<br<<std::endl;
// br=2.0*float(tempD0B[itok])/float(numd0b);
// EvtGenReport(EVTGEN_INFO,"EvtGen") << "Found "<<tempD0B[itok]<<" "<<token
// << " in decay of anti-D0, br.fr.="<<br<<std::endl;
// br=2.0*float(tempDP[itok])/float(numdp);
// EvtGenReport(EVTGEN_INFO,"EvtGen") << "Found "<<tempDP[itok]<<" "<<token
// << " in decay of D+, br.fr.="<<br<<std::endl;
// br=2.0*float(tempDM[itok])/float(numdm);
// EvtGenReport(EVTGEN_INFO,"EvtGen") << "Found "<<tempDM[itok]<<" "<<token
// << " in decay of D-, br.fr.="<<br<<std::endl;
EvtGenReport( EVTGEN_INFO, "EvtGen" )
<< "*******************************************\n";
}
} else {
count = 1;
do {
if ( count == 1000 * ( count / 1000 ) ) {
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << count << std::endl;
//EvtGenReport(EVTGEN_INFO,"EvtGen") << HepRandom::getTheSeed()<<std::endl;
}
EvtVector4R p_init( EvtPDL::getMass( UPS4 ), 0.0, 0.0, 0.0 );
EvtParticle* root_part = 0;
if ( neventOrig > 0 ) {
root_part = EvtParticleFactory::particleFactory( UPS4, p_init );
} else {
root_part = EvtParticleFactory::particleFactory( VPHO, p_init );
}
root_part->setVectorSpinDensity();
myGenerator.generateDecay( root_part );
root_part->deleteTree();
} while ( count++ < nevent );
}
file->Write();
file->Close();
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << "SUCCESS\n";
}
void runKstarnunu( int nevent, EvtGen& myGenerator )
{
static EvtId B0 = EvtPDL::getId( std::string( "B0" ) );
//static EvtId B0B=EvtPDL::getId(std::string("anti-B0"));
TFile* file = new TFile( "kstarnunu.root", "RECREATE" );
TH1F* q2 = new TH1F( "h1", "q2", 50, 0.0, 25.0 );
TH1F* enu = new TH1F( "h2", "Neutrino energy", 50, 0.0, 5.0 );
TH1F* x = new TH1F( "h3", "Total neutrino energy/B mass", 50, 0.5, 0.9 );
int count;
EvtVector4R kstar, nu, nub;
char udecay_name[100];
strcpy( udecay_name, "exampleFiles/KSTARNUNU.DEC" );
//EvtGen myGenerator(decay_name,pdttable_name,myRandomEngine);
myGenerator.readUDecay( udecay_name );
count = 1;
do {
EvtVector4R p_init( EvtPDL::getMass( B0 ), 0.0, 0.0, 0.0 );
EvtParticle* root_part = EvtParticleFactory::particleFactory( B0, p_init );
root_part->setDiagonalSpinDensity();
myGenerator.generateDecay( root_part );
kstar = root_part->getDaug( 0 )->getP4Lab();
nu = root_part->getDaug( 1 )->getP4Lab();
nub = root_part->getDaug( 2 )->getP4Lab();
q2->Fill( ( nu + nub ).mass2() );
enu->Fill( nu.get( 0 ) );
x->Fill( ( nu.get( 0 ) + nub.get( 0 ) ) / root_part->mass() );
root_part->deleteTree();
} while ( count++ < nevent );
file->Write();
file->Close();
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << "SUCCESS\n";
}
void runBsmix( int nevent, EvtGen& myGenerator )
{
static EvtId BS0 = EvtPDL::getId( std::string( "B_s0" ) );
static EvtId BSB = EvtPDL::getId( std::string( "anti-B_s0" ) );
TFile* file = new TFile( "bsmix.root", "RECREATE" );
TH1F* tmix = new TH1F( "h1", "tmix (mm)", 100, 0.0, 5.0 );
TH1F* tnomix = new TH1F( "h2", "tnomix (mm)", 100, 0.0, 5.0 );
int count;
char udecay_name[100];
strcpy( udecay_name, "exampleFiles/BSMIX.DEC" );
//EvtGen myGenerator(decay_name,pdttable_name,myRandomEngine);
myGenerator.readUDecay( udecay_name );
count = 1;
do {
EvtVector4R p_init( EvtPDL::getMass( BS0 ), 0.0, 0.0, 0.0 );
EvtParticle* root_part = EvtParticleFactory::particleFactory( BS0,
p_init );
root_part->setDiagonalSpinDensity();
myGenerator.generateDecay( root_part );
double t = root_part->getLifetime();
int mix = 0;
if ( root_part->getNDaug() == 1 ) {
if ( root_part->getDaug( 0 )->getId() == BSB ) {
mix = 1;
}
}
if ( mix == 0 )
tnomix->Fill( t );
if ( mix == 1 )
tmix->Fill( t );
root_part->deleteTree();
} while ( count++ < nevent );
file->Write();
file->Close();
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << "SUCCESS\n";
}
void runSemic( int nevent, EvtGen& myGenerator )
{
static EvtId UPS4 = EvtPDL::getId( std::string( "Upsilon(4S)" ) );
static EvtId EP = EvtPDL::getId( std::string( "e+" ) );
static EvtId EM = EvtPDL::getId( std::string( "e-" ) );
static EvtId DST0 = EvtPDL::getId( std::string( "D*0" ) );
static EvtId DSTB = EvtPDL::getId( std::string( "anti-D*0" ) );
static EvtId DSTP = EvtPDL::getId( std::string( "D*+" ) );
static EvtId DSTM = EvtPDL::getId( std::string( "D*-" ) );
static EvtId D0 = EvtPDL::getId( std::string( "D0" ) );
static EvtId D0B = EvtPDL::getId( std::string( "anti-D0" ) );
static EvtId DP = EvtPDL::getId( std::string( "D+" ) );
static EvtId DM = EvtPDL::getId( std::string( "D-" ) );
static EvtId D1P1P = EvtPDL::getId( std::string( "D_1+" ) );
static EvtId D1P1N = EvtPDL::getId( std::string( "D_1-" ) );
static EvtId D1P10 = EvtPDL::getId( std::string( "D_10" ) );
static EvtId D1P1B = EvtPDL::getId( std::string( "anti-D_10" ) );
static EvtId D3P2P = EvtPDL::getId( std::string( "D_2*+" ) );
static EvtId D3P2N = EvtPDL::getId( std::string( "D_2*-" ) );
static EvtId D3P20 = EvtPDL::getId( std::string( "D_2*0" ) );
static EvtId D3P2B = EvtPDL::getId( std::string( "anti-D_2*0" ) );
static EvtId D3P1P = EvtPDL::getId( std::string( "D'_1+" ) );
static EvtId D3P1N = EvtPDL::getId( std::string( "D'_1-" ) );
static EvtId D3P10 = EvtPDL::getId( std::string( "D'_10" ) );
static EvtId D3P1B = EvtPDL::getId( std::string( "anti-D'_10" ) );
static EvtId D3P0P = EvtPDL::getId( std::string( "D_0*+" ) );
static EvtId D3P0N = EvtPDL::getId( std::string( "D_0*-" ) );
static EvtId D3P00 = EvtPDL::getId( std::string( "D_0*0" ) );
static EvtId D3P0B = EvtPDL::getId( std::string( "anti-D_0*0" ) );
static EvtId D23S1P = EvtPDL::getId( std::string( "D*(2S)+" ) );
static EvtId D23S1N = EvtPDL::getId( std::string( "D*(2S)-" ) );
static EvtId D23S10 = EvtPDL::getId( std::string( "D*(2S)0" ) );
static EvtId D23S1B = EvtPDL::getId( std::string( "anti-D*(2S)0" ) );
static EvtIdSet radExitDstar( D23S1P, D23S1N, D23S10, D23S1B );
TFile* file = new TFile( "semic.root", "RECREATE" );
TH1F* Dpe_q2 = new TH1F( "h11", "q2 for B0B ->D+ e- nu", 50, 0.0, 12.0 );
TH1F* Dpe_elep = new TH1F( "h12", "Elep for B0B ->D+ e- nu", 50, 0.0, 2.5 );
TH1F* Dme_q2 = new TH1F( "h13", "q2 for B0 ->D- e+ nu", 50, 0.0, 12.0 );
TH1F* Dme_elep = new TH1F( "h14", "Elep for B0 ->D- e+ nu", 50, 0.0, 2.5 );
TH1F* D0e_q2 = new TH1F( "h15", "q2 for B- ->D0 e- nu", 50, 0.0, 12.0 );
TH1F* D0e_elep = new TH1F( "h16", "Elep for B- ->D0 e- nu", 50, 0.0, 2.5 );
TH1F* D0Be_q2 = new TH1F( "h17", "q2 for B+ ->D0B e+ nu", 50, 0.0, 12.0 );
TH1F* D0Be_elep = new TH1F( "h18", "Elep for B+ ->D0B e+ nu", 50, 0.0, 2.5 );
TH1F* Dstpe_q2 = new TH1F( "h21", "q2 for B0B ->D*+ e- nu", 50, 0.0, 12.0 );
TH1F* Dstpe_elep = new TH1F( "h22", "Elep for B0B ->D*+ e- nu", 50, 0.0, 2.5 );
TH1F* Dstme_q2 = new TH1F( "h23", "q2 for B0 ->D*- e+ nu", 50, 0.0, 12.0 );
TH1F* Dstme_elep = new TH1F( "h24", "Elep for B0 ->D*- e+ nu", 50, 0.0, 2.5 );
TH1F* Dst0e_q2 = new TH1F( "h25", "q2 for B- ->D*0 e- nu", 50, 0.0, 12.0 );
TH1F* Dst0e_elep = new TH1F( "h26", "Elep for B*- ->D*0 e- nu", 50, 0.0, 2.5 );
TH1F* Dst0Be_q2 = new TH1F( "h27", "q2 for B+ ->D*0B e+ nu", 50, 0.0, 12.0 );
TH1F* Dst0Be_elep = new TH1F( "h28", "Elep for B+ ->D*0B e+ nu", 50, 0.0,
2.5 );
TH1F* D1P1pe_q2 = new TH1F( "h31", "q2 for B0B ->1P1+ e- nu", 50, 0.0, 12.0 );
TH1F* D1P1pe_elep = new TH1F( "h32", "Elep for B0B ->1P1+ e- nu", 50, 0.0,
2.5 );
TH1F* D1P1me_q2 = new TH1F( "h33", "q2 for B0 ->1P1- e+ nu", 50, 0.0, 12.0 );
TH1F* D1P1me_elep = new TH1F( "h34", "Elep for B0 ->1P1- e+ nu", 50, 0.0,
2.5 );
TH1F* D1P10e_q2 = new TH1F( "h35", "q2 for B- ->1P10 e- nu", 50, 0.0, 12.0 );
TH1F* D1P10e_elep = new TH1F( "h36", "Elep for B*- ->1P10 e- nu", 50, 0.0,
2.5 );
TH1F* D1P10Be_q2 = new TH1F( "h37", "q2 for B+ ->1P1B e+ nu", 50, 0.0, 12.0 );
TH1F* D1P10Be_elep = new TH1F( "h38", "Elep for B+ ->1P1B e+ nu", 50, 0.0,
2.5 );
TH1F* D3P0pe_q2 = new TH1F( "h41", "q2 for B0B ->3P0+ e- nu", 50, 0.0, 12.0 );
TH1F* D3P0pe_elep = new TH1F( "h42", "Elep for B0B ->3P0+ e- nu", 50, 0.0,
2.5 );
TH1F* D3P0me_q2 = new TH1F( "h43", "q2 for B0 ->3P0- e+ nu", 50, 0.0, 12.0 );
TH1F* D3P0me_elep = new TH1F( "h44", "Elep for B0 ->3P0- e+ nu", 50, 0.0,
2.5 );
TH1F* D3P00e_q2 = new TH1F( "h45", "q2 for B- ->3P00 e- nu", 50, 0.0, 12.0 );
TH1F* D3P00e_elep = new TH1F( "h46", "Elep for B*- ->3P00 e- nu", 50, 0.0,
2.5 );
TH1F* D3P00Be_q2 = new TH1F( "h47", "q2 for B+ ->3P0B e+ nu", 50, 0.0, 12.0 );
TH1F* D3P00Be_elep = new TH1F( "h48", "Elep for B+ ->3P0B e+ nu", 50, 0.0,
2.5 );
TH1F* D3P1pe_q2 = new TH1F( "h51", "q2 for B0B ->3P1+ e- nu", 50, 0.0, 12.0 );
TH1F* D3P1pe_elep = new TH1F( "h52", "Elep for B0B ->3P1+ e- nu", 50, 0.0,
2.5 );
TH1F* D3P1me_q2 = new TH1F( "h53", "q2 for B0 ->3P1- e+ nu", 50, 0.0, 12.0 );
TH1F* D3P1me_elep = new TH1F( "h54", "Elep for B0 ->3P1- e+ nu", 50, 0.0,
2.5 );
TH1F* D3P10e_q2 = new TH1F( "h55", "q2 for B- ->3P10 e- nu", 50, 0.0, 12.0 );
TH1F* D3P10e_elep = new TH1F( "h56", "Elep for B*- ->3P10 e- nu", 50, 0.0,
2.5 );
TH1F* D3P10Be_q2 = new TH1F( "h57", "q2 for B+ ->3P1B e+ nu", 50, 0.0, 12.0 );
TH1F* D3P10Be_elep = new TH1F( "h58", "Elep for B+ ->3P1B e+ nu", 50, 0.0,
2.5 );
TH1F* D3P2pe_q2 = new TH1F( "h61", "q2 for B0B ->3P2+ e- nu", 50, 0.0, 12.0 );
TH1F* D3P2pe_elep = new TH1F( "h62", "Elep for B0B ->3P2+ e- nu", 50, 0.0,
2.5 );
TH1F* D3P2me_q2 = new TH1F( "h63", "q2 for B0 ->3P2- e+ nu", 50, 0.0, 12.0 );
TH1F* D3P2me_elep = new TH1F( "h64", "Elep for B0 ->3P2- e+ nu", 50, 0.0,
2.5 );
TH1F* D3P20e_q2 = new TH1F( "h65", "q2 for B- ->3P20 e- nu", 50, 0.0, 12.0 );
TH1F* D3P20e_elep = new TH1F( "h66", "Elep for B*- ->3P20 e- nu", 50, 0.0,
2.5 );
TH1F* D3P20Be_q2 = new TH1F( "h67", "q2 for B+ ->3P2B e+ nu", 50, 0.0, 12.0 );
TH1F* D3P20Be_elep = new TH1F( "h68", "Elep for B+ ->3P2B e+ nu", 50, 0.0,
2.5 );
TH1F* phiL = new TH1F( "h69", "phi", 50, -3.1416, 3.1416 );
int count;
char udecay_name[100];
strcpy( udecay_name, "exampleFiles/SEMIC.DEC" );
//EvtGen myGenerator(decay_name,pdttable_name,myRandomEngine);
myGenerator.readUDecay( udecay_name );
count = 1;
do {
EvtVector4R p_init( EvtPDL::getMass( UPS4 ), 0.0, 0.0, 0.0 );
EvtParticle* root_part = EvtParticleFactory::particleFactory( UPS4,
p_init );
root_part->setVectorSpinDensity();
myGenerator.generateDecay( root_part );
int i;
for ( i = 0; i < 2; i++ ) {
EvtId meson = root_part->getDaug( i )->getDaug( 0 )->getId();
EvtId lepton = root_part->getDaug( i )->getDaug( 1 )->getId();
EvtVector4R lep = root_part->getDaug( i )->getDaug( 1 )->getP4Lab();
phiL->Fill( atan2( lep.get( 1 ), lep.get( 2 ) ) );
EvtVector4R nu = root_part->getDaug( i )->getDaug( 2 )->getP4Lab();
double q2 = ( lep + nu ).mass2();
double elep = root_part->getDaug( i )->getDaug( 1 )->getP4().get( 0 );
if ( meson == DP && lepton == EM ) {
Dpe_q2->Fill( q2 );
Dpe_elep->Fill( elep );
}
if ( meson == DM && lepton == EP ) {
Dme_q2->Fill( q2 );
Dme_elep->Fill( elep );
}
if ( meson == D0 && lepton == EM ) {
D0e_q2->Fill( q2 );
D0e_elep->Fill( elep );
}
if ( meson == D0B && lepton == EP ) {
D0Be_q2->Fill( q2 );
D0Be_elep->Fill( elep );
}
if ( meson == DSTP && lepton == EM ) {
Dstpe_q2->Fill( q2 );
Dstpe_elep->Fill( elep );
}
if ( meson == DSTM && lepton == EP ) {
Dstme_q2->Fill( q2 );
Dstme_elep->Fill( elep );
}
if ( meson == DST0 && lepton == EM ) {
Dst0e_q2->Fill( q2 );
Dst0e_elep->Fill( elep );
}
if ( meson == DSTB && lepton == EP ) {
Dst0Be_q2->Fill( q2 );
Dst0Be_elep->Fill( elep );
}
if ( meson == D1P1P && lepton == EM ) {
D1P1pe_q2->Fill( q2 );
D1P1pe_elep->Fill( elep );
}
if ( meson == D1P1N && lepton == EP ) {
D1P1me_q2->Fill( q2 );
D1P1me_elep->Fill( elep );
}
if ( meson == D1P10 && lepton == EM ) {
D1P10e_q2->Fill( q2 );
D1P10e_elep->Fill( elep );
}
if ( meson == D1P1B && lepton == EP ) {
D1P10Be_q2->Fill( q2 );
D1P10Be_elep->Fill( elep );
}
if ( meson == D3P0P && lepton == EM ) {
D3P0pe_q2->Fill( q2 );
D3P0pe_elep->Fill( elep );
}
if ( meson == D3P0N && lepton == EP ) {
D3P0me_q2->Fill( q2 );
D3P0me_elep->Fill( elep );
}
if ( meson == D3P00 && lepton == EM ) {
D3P00e_q2->Fill( q2 );
D3P00e_elep->Fill( elep );
}
if ( meson == D3P0B && lepton == EP ) {
D3P00Be_q2->Fill( q2 );
D3P00Be_elep->Fill( elep );
}
if ( meson == D3P1P && lepton == EM ) {
D3P1pe_q2->Fill( q2 );
D3P1pe_elep->Fill( elep );
}
if ( meson == D3P1N && lepton == EP ) {
D3P1me_q2->Fill( q2 );
D3P1me_elep->Fill( elep );
}
if ( meson == D3P10 && lepton == EM ) {
D3P10e_q2->Fill( q2 );
D3P10e_elep->Fill( elep );
}
if ( meson == D3P1B && lepton == EP ) {
D3P10Be_q2->Fill( q2 );
D3P10Be_elep->Fill( elep );
}
if ( meson == D3P2P && lepton == EM ) {
D3P2pe_q2->Fill( q2 );
D3P2pe_elep->Fill( elep );
}
if ( meson == D3P2N && lepton == EP ) {
D3P2me_q2->Fill( q2 );
D3P2me_elep->Fill( elep );
}
if ( meson == D3P20 && lepton == EM ) {
D3P20e_q2->Fill( q2 );
D3P20e_elep->Fill( elep );
}
if ( meson == D3P2B && lepton == EP ) {
D3P20Be_q2->Fill( q2 );
D3P20Be_elep->Fill( elep );
}
}
root_part->deleteTree();
} while ( count++ < nevent );
file->Write();
file->Close();
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << "SUCCESS\n";
}
void runKstarll( int nevent, EvtGen& myGenerator )
{
TFile* file = new TFile( "kstkmm.root", "RECREATE" );
TH2F* _dalitz = new TH2F( "h1", "q^2! vs Elep", 70, 0.0, 3.5, 60, 0.0, 30.0 );
TH1F* _ctl = new TH1F( "h2", "ctl", 50, -1.0, 1.0 );
TH1F* _q2 = new TH1F( "h3", "q2", 50, 0.0, 25.0 );
TH1F* _q2low = new TH1F( "h4", "q2 (low)", 50, 0.0, 1.0 );
TH1F* _q2lowlow = new TH1F( "h5", "q2 (lowlow)", 50, 0.0, 0.00001 );
TH1F* _phi = new TH1F( "h6", "phi", 50, -EvtConst::pi, EvtConst::pi );
TH1F* _chi = new TH1F( "h7", "chi", 50, 0.0, EvtConst::twoPi );
TH1F* _chictl = new TH1F( "h8", "chictl", 50, 0.0, EvtConst::twoPi );
static EvtId B0 = EvtPDL::getId( std::string( "B0" ) );
int count = 1;
EvtVector4R kstar, l1, l2;
EvtVector4R k, pi, b;
char udecay_name[100];
strcpy( udecay_name, "exampleFiles/KSTARLL.DEC" );
//EvtGen myGenerator(decay_name,pdttable_name,myRandomEngine);
myGenerator.readUDecay( udecay_name );
std::vector<double> q2low( 5 );
std::vector<double> q2high( 5 );
std::vector<int> counts( 5 );
//kee
//int n=4;
//q2low[0]=0.0; q2high[0]=4.5;
//q2low[1]=4.5; q2high[1]=8.41;
//q2low[2]=10.24; q2high[2]=12.96;
//q2low[3]=14.06; q2high[3]=30.0;
//kmm
//int n=4;
//q2low[0]=0.0; q2high[0]=4.5;
//q2low[1]=4.5; q2high[1]=9.0;
//q2low[2]=10.24; q2high[2]=12.96;
//q2low[3]=14.06; q2high[3]=30.0;
//K*ee
int n = 5;
q2low[0] = 0.0;
q2high[0] = 0.1;
q2low[1] = 0.1;
q2high[1] = 4.5;
q2low[2] = 4.5;
q2high[2] = 8.41;
q2low[3] = 10.24;
q2high[3] = 12.96;
q2low[4] = 14.06;
q2high[4] = 30.0;
//K*mm
//int n=5;
//q2low[0]=0.0; q2high[0]=0.1;
//q2low[1]=0.1; q2high[1]=4.5;
//q2low[2]=4.5; q2high[2]=9.0;
//q2low[3]=10.24; q2high[3]=12.96;
//q2low[4]=14.06; q2high[4]=30.0;
do {
EvtVector4R p_init( EvtPDL::getMass( B0 ), 0.0, 0.0, 0.0 );
EvtParticle* root_part = EvtParticleFactory::particleFactory( B0, p_init );
root_part->setDiagonalSpinDensity();
myGenerator.generateDecay( root_part );
// root_part->printTree();
//root_part->getDaug(0)->printTree();
//root_part->getDaug(1)->printTree();
//root_part->getDaug(2)->printTree();
kstar = root_part->getDaug( 0 )->getP4Lab();
l1 = root_part->getDaug( 1 )->getP4Lab();
l2 = root_part->getDaug( 2 )->getP4Lab();
b = root_part->getP4();
k = root_part->getDaug( 0 )->getDaug( 0 )->getP4Lab();
pi = root_part->getDaug( 0 )->getDaug( 1 )->getP4Lab();
double qsq = ( l1 + l2 ).mass2();
for ( int j = 0; j < n; j++ ) {
if ( qsq > q2low[j] && qsq < q2high[j] )
counts[j]++;
}
_q2->Fill( ( l1 + l2 ).mass2() );
_q2low->Fill( ( l1 + l2 ).mass2() );
_q2lowlow->Fill( ( l1 + l2 ).mass2() );
_ctl->Fill( EvtDecayAngle( ( l1 + l2 + kstar ), ( l1 + l2 ), l1 ) );
_dalitz->Fill( l1.get( 0 ), ( l1 + l2 ).mass2(), 1.0 );
root_part->deleteTree();
_phi->Fill( atan2( l1.get( 1 ), l1.get( 2 ) ) );
_chi->Fill( EvtDecayAngleChi( b, k, pi, l1, l2 ) );
if ( EvtDecayAngle( ( l1 + l2 + kstar ), ( l1 + l2 ), l1 ) > 0 ) {
_chictl->Fill( EvtDecayAngleChi( b, k, pi, l1, l2 ) );
}
EvtGenReport( EVTGEN_INFO, "EvtGen" )
<< "count:" << count << " " << ( l1 + l2 ).mass2() << std::endl;
} while ( count++ < nevent );
for ( int j = 0; j < n; j++ ) {
std::cout << "[" << q2low[j] << ".." << q2high[j] << "]=" << counts[j]
<< std::endl;
}
file->Write();
file->Close();
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << "SUCCESS\n";
}
void runKll( int nevent, EvtGen& myGenerator )
{
TFile* file = new TFile( "ksem.root", "RECREATE" );
TH2F* _dalitz = new TH2F( "h1", "q^2! vs Elep", 70, 0.0, 3.5, 60, 0.0, 30.0 );
TH1F* _ctl = new TH1F( "h2", "ctl", 50, -1.0, 1.0 );
TH1F* _q2 = new TH1F( "h3", "q2", 50, 0.0, 25.0 );
TH1F* _q2low = new TH1F( "h4", "q2 (low)", 50, 0.0, 1.0 );
TH1F* _q2lowlow = new TH1F( "h5", "q2 (lowlow)", 50, 0.0, 0.00001 );
TH1F* _phi = new TH1F( "h6", "phi", 50, -EvtConst::pi, EvtConst::pi );
// TH1F* _chi = new TH1F("h7","chi",50,0.0,EvtConst::twoPi);
// TH1F* _chictl = new TH1F("h8","chictl",50,0.0,EvtConst::twoPi);
static EvtId B0 = EvtPDL::getId( std::string( "B0" ) );
int count = 1;
EvtVector4R k, l1, l2;
char udecay_name[100];
strcpy( udecay_name, "exampleFiles/KLL.DEC" );
//EvtGen myGenerator(decay_name,pdttable_name,myRandomEngine);
myGenerator.readUDecay( udecay_name );
std::vector<double> q2low( 5 );
std::vector<double> q2high( 5 );
std::vector<int> counts( 5 );
//kee
// int n=4;
//q2low[0]=0.0; q2high[0]=4.5;
//q2low[1]=4.5; q2high[1]=8.41;
//q2low[2]=10.24; q2high[2]=12.96;
//q2low[3]=14.06; q2high[3]=30.0;
//kmm
int n = 4;
q2low[0] = 0.0;
q2high[0] = 4.5;
q2low[1] = 4.5;
q2high[1] = 9.0;
q2low[2] = 10.24;
q2high[2] = 12.96;
q2low[3] = 14.06;
q2high[3] = 30.0;
//K*ee
//int n=5;
//q2low[0]=0.0; q2high[0]=0.1;
//q2low[1]=0.1; q2high[1]=4.5;
//q2low[2]=4.5; q2high[2]=8.41;
//q2low[3]=10.24; q2high[3]=12.96;
//q2low[4]=14.06; q2high[4]=30.0;
//K*mm
//int n=5;
//q2low[0]=0.0; q2high[0]=0.1;
//q2low[1]=0.1; q2high[1]=4.5;
//q2low[2]=4.5; q2high[2]=9.0;
//q2low[3]=10.24; q2high[3]=12.96;
//q2low[4]=14.06; q2high[4]=30.0;
do {
EvtVector4R p_init( EvtPDL::getMass( B0 ), 0.0, 0.0, 0.0 );
EvtParticle* root_part = EvtParticleFactory::particleFactory( B0, p_init );
root_part->setDiagonalSpinDensity();
myGenerator.generateDecay( root_part );
// root_part->printTree();
//root_part->getDaug(0)->printTree();
//root_part->getDaug(1)->printTree();
//root_part->getDaug(2)->printTree();
k = root_part->getDaug( 0 )->getP4Lab();
l1 = root_part->getDaug( 1 )->getP4Lab();
l2 = root_part->getDaug( 2 )->getP4Lab();
//b=root_part->getP4();
// k=root_part->getDaug(0)->getDaug(0)->getP4Lab();
// pi=root_part->getDaug(0)->getDaug(1)->getP4Lab();
double qsq = ( l1 + l2 ).mass2();
for ( int j = 0; j < n; j++ ) {
if ( qsq > q2low[j] && qsq < q2high[j] )
counts[j]++;
}
_q2->Fill( ( l1 + l2 ).mass2() );
_q2low->Fill( ( l1 + l2 ).mass2() );
_q2lowlow->Fill( ( l1 + l2 ).mass2() );
_ctl->Fill( EvtDecayAngle( ( l1 + l2 + k ), ( l1 + l2 ), l1 ) );
_dalitz->Fill( l1.get( 0 ), ( l1 + l2 ).mass2(), 1.0 );
root_part->deleteTree();
_phi->Fill( atan2( l1.get( 1 ), l1.get( 2 ) ) );
//_chi->Fill(EvtDecayAngleChi(b,k,pi,l1,l2));
//if (EvtDecayAngle((l1+l2+kstar),(l1+l2),l1)>0){
// _chictl->Fill(EvtDecayAngleChi(b,k,pi,l1,l2));
// }
EvtGenReport( EVTGEN_INFO, "EvtGen" )
<< "count:" << count << " " << ( l1 + l2 ).mass2() << std::endl;
} while ( count++ < nevent );
for ( int j = 0; j < n; j++ ) {
std::cout << "[" << q2low[j] << ".." << q2high[j] << "]=" << counts[j]
<< std::endl;
}
file->Write();
file->Close();
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << "SUCCESS\n";
}
void runHll( int nevent, EvtGen& myGenerator, char* mode )
{
TString modename = mode;
TString filename;
filename = modename;
filename = filename + "_nnlo.root";
TFile* file = new TFile( filename, "RECREATE" );
TString decname;
decname += modename;
decname.ToUpper();
decname = "exampleFiles/" + decname + ".DEC";
char udecay_name[100];
strcpy( udecay_name, decname );
TH2F* _dalitz = new TH2F( "h1", "q^2! vs Elep", 70, 0.0, 3.5, 60, 0.0, 30.0 );
TH1F* _ctl = new TH1F( "h2", "ctl", 50, -1.0, 1.0 );
TH1F* _q2 = new TH1F( "h3", "q2", 50, 0.0, 25.0 );
TH1F* _q2low = new TH1F( "h4", "q2 (low)", 50, 0.0, 1.0 );
TH1F* _q2lowlow = new TH1F( "h5", "q2 (lowlow)", 50, 0.0, 0.00001 );
TH1F* _phi = new TH1F( "h6", "phi", 50, -EvtConst::pi, EvtConst::pi );
TH1F* _chi = new TH1F( "h7", "chi", 50, 0.0, EvtConst::twoPi );
TH1F* _chictl = new TH1F( "h8", "chictl", 50, 0.0, EvtConst::twoPi );
EvtId B;
if ( modename == "kee" || modename == "kmm" || modename == "kstksee" ||
modename == "kstksmm" || modename == "piee" || modename == "pimm" ||
modename == "rhoee" || modename == "rhomm" ) {
B = EvtPDL::getId( std::string( "B+" ) );
} else {
B = EvtPDL::getId( std::string( "B0" ) );
}
int count = 1;
EvtVector4R b, h, l1, l2;
EvtVector4R hdaug1, hdaug2;
myGenerator.readUDecay( udecay_name );
std::vector<double> q2low( 7 );
std::vector<double> q2high( 7 );
std::vector<int> counts( 7 );
int n( 0 );
if ( modename == "kee" || modename == "ksee" || modename == "piee" ||
modename == "pi0ee" || modename == "etaee" || modename == "etapee" ) {
//kee
n = 6;
q2low[0] = 0.0;
q2high[0] = 4.5;
q2low[1] = 4.5;
q2high[1] = 8.41;
q2low[2] = 8.41;
q2high[2] = 10.24;
q2low[3] = 10.24;
q2high[3] = 12.96;
q2low[4] = 12.96;
q2high[4] = 14.06;
q2low[5] = 14.06;
q2high[5] = 30.0;
} else if ( modename == "kmm" || modename == "ksmm" || modename == "pimm" ||
modename == "pi0mm" || modename == "etamm" ||
modename == "etapmm" ) {
//kmm
n = 6;
q2low[0] = 0.0;
q2high[0] = 4.5;
q2low[1] = 4.5;
q2high[1] = 9.0;
q2low[2] = 9.0;
q2high[2] = 10.24;
q2low[3] = 10.24;
q2high[3] = 12.96;
q2low[4] = 12.96;
q2high[4] = 14.06;
q2low[5] = 14.06;
q2high[5] = 30.0;
} else if ( modename == "kstkee" || modename == "kstksee" ||
modename == "rhoee" || modename == "rho0ee" ||
modename == "omegaee" ) {
//K*ee
n = 7;
q2low[0] = 0.0;
q2high[0] = 0.1;
q2low[1] = 0.1;
q2high[1] = 4.5;
q2low[2] = 4.5;
q2high[2] = 8.41;
q2low[3] = 8.41;
q2high[3] = 10.24;
q2low[4] = 10.24;
q2high[4] = 12.96;
q2low[5] = 12.96;
q2high[5] = 14.06;
q2low[6] = 14.06;
q2high[6] = 30.0;
} else if ( modename == "kstkmm" || modename == "kstksmm" ||
modename == "rhomm" || modename == "rho0mm" ||
modename == "omegamm" ) {
//K*mm
n = 7;
q2low[0] = 0.0;
q2high[0] = 0.1;
q2low[1] = 0.1;
q2high[1] = 4.5;
q2low[2] = 4.5;
q2high[2] = 9.0;
q2low[3] = 9.0;
q2high[3] = 10.24;
q2low[4] = 10.24;
q2high[4] = 12.96;
q2low[5] = 12.96;
q2high[5] = 14.06;
q2low[6] = 14.06;
q2high[6] = 30.0;
}
float q2binlow[n + 1];
for ( int i = 0; i < n; i++ ) {
q2binlow[i] = q2low[i];
}
q2binlow[n] = 30.0;
TH1F* _q2var = new TH1F( "h9", "q2var", n, q2binlow );
do {
EvtVector4R p_init( EvtPDL::getMass( B ), 0.0, 0.0, 0.0 );
EvtParticle* root_part = EvtParticleFactory::particleFactory( B, p_init );
root_part->setDiagonalSpinDensity();
myGenerator.generateDecay( root_part );
// root_part->printTree();
//root_part->getDaug(0)->printTree();
//root_part->getDaug(1)->printTree();
//root_part->getDaug(2)->printTree();
h = root_part->getDaug( 0 )->getP4Lab();
l1 = root_part->getDaug( 1 )->getP4Lab();
l2 = root_part->getDaug( 2 )->getP4Lab();
double qsq = ( l1 + l2 ).mass2();
for ( int j = 0; j < n; j++ ) {
if ( qsq > q2low[j] && qsq < q2high[j] )
counts[j]++;
}
_q2->Fill( ( l1 + l2 ).mass2() );
_q2var->Fill( ( l1 + l2 ).mass2() );
_q2low->Fill( ( l1 + l2 ).mass2() );
_q2lowlow->Fill( ( l1 + l2 ).mass2() );
_ctl->Fill( EvtDecayAngle( ( l1 + l2 + h ), ( l1 + l2 ), l1 ) );
_dalitz->Fill( l1.get( 0 ), ( l1 + l2 ).mass2(), 1.0 );
_phi->Fill( atan2( l1.get( 1 ), l1.get( 2 ) ) );
if ( modename == "kstkee" || modename == "kstkmm" ||
modename == "kstksee" || modename == "kstksmm" ||
modename == "rhoee" || modename == "rhomm" ||
modename == "rho0ee" || modename == "rho0mm" ) {
b = root_part->getP4();
hdaug1 = root_part->getDaug( 0 )->getDaug( 0 )->getP4Lab();
hdaug2 = root_part->getDaug( 0 )->getDaug( 1 )->getP4Lab();
_chi->Fill( EvtDecayAngleChi( b, hdaug1, hdaug2, l1, l2 ) );
if ( EvtDecayAngle( ( l1 + l2 + h ), ( l1 + l2 ), l1 ) > 0 ) {
_chictl->Fill( EvtDecayAngleChi( b, hdaug1, hdaug2, l1, l2 ) );
}
}
if ( count % 1000 == 0 ) {
EvtGenReport( EVTGEN_INFO, "EvtGen" )
<< "count:" << count << " " << ( l1 + l2 ).mass2() << std::endl;
}
root_part->deleteTree();
} while ( count++ < nevent );
for ( int j = 0; j < n; j++ ) {
std::cout << "[" << q2low[j] << ".." << q2high[j] << "] = " << counts[j]
<< std::endl;
}
file->Write();
file->Close();
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << "SUCCESS\n";
}
void runVectorIsr( int nevent, EvtGen& myGenerator )
{
static EvtId UPS4 = EvtPDL::getId( std::string( "Upsilon(4S)" ) );
static EvtId VPHO = EvtPDL::getId( std::string( "vpho" ) );
TFile* file = new TFile( "vectorisr.root", "RECREATE" );
TH1F* cosv = new TH1F( "h1", "Cos vector in e+e- frame", 50, -1.0, 1.0 );
TH1F* cosd1 = new TH1F( "h2", "Cos helang 1st dau of vector", 50, -1.0, 1.0 );
TH1F* cosd1d1 = new TH1F( "h3", "Cos helang 1st dau of 1st dau", 50, -1.0,
1.0 );
TH1F* cosd2d1 = new TH1F( "h4", "Cos helang 1st dau of 2nd dau", 50, -1.0,
1.0 );
TH2F* d1vsd1d1 = new TH2F( "h5", "Cos helangs d1 vs d1d1", 20, -1.0, 1.0,
20, -1.0, 1.0 );
TH2F* d2vsd2d1 = new TH2F( "h6", "Cos helangs d2 vs d2d1", 20, -1.0, 1.0,
20, -1.0, 1.0 );
TH2F* d1d1vsd2d1 = new TH2F( "h7", "Cos helangs d1d1 vs d2d1", 20, -1.0,
1.0, 20, -1.0, 1.0 );
TH1F* chidd = new TH1F( "h8", "Chi - angle between decay planes", 60, 0.,
360.0 );
TH2F* chi12vsd1d1 = new TH2F( "h9", "Chi 1-2 vs d1d1", 30, 0., 360.0, 20,
-1.0, 1.0 );
TH2F* chi12vsd2d1 = new TH2F( "h10", "Chi 1-2 vs d2d1", 30, 0., 360.0, 20,
-1.0, 1.0 );
TH2F* chi21vsd1d1 = new TH2F( "h11", "Chi 2-1 vs d1d1", 30, 0., 360.0, 20,
-1.0, 1.0 );
TH2F* chi21vsd2d1 = new TH2F( "h12", "Chi 2-1 vs d2d1", 30, 0., 360.0, 20,
-1.0, 1.0 );
int count = 1;
char udecay_name[100];
EvtVector4R cm, v, d1, d2, d1d1, d1d2, d2d1, d2d2;
strcpy( udecay_name, "exampleFiles/VECTORISR.DEC" );
myGenerator.readUDecay( udecay_name );
do {
EvtVector4R p_init( EvtPDL::getMass( UPS4 ), 0.0, 0.0, 0.0 );
EvtParticle* root_part = EvtParticleFactory::particleFactory( VPHO,
p_init );
root_part->setVectorSpinDensity();
myGenerator.generateDecay( root_part );
cm = root_part->getP4Lab();
v = root_part->getDaug( 0 )->getP4Lab();
d1 = root_part->getDaug( 0 )->getDaug( 0 )->getP4Lab();
d2 = root_part->getDaug( 0 )->getDaug( 1 )->getP4Lab();
cosv->Fill( v.get( 3 ) / v.d3mag() );
double cosdecayd1 = EvtDecayAngle( cm, v, d1 );
double cosdecayd2 = EvtDecayAngle( cm, v, d2 );
cosd1->Fill( cosdecayd1 );
// now get daughters of the daughters
//
// first daughter of first daughter
if ( root_part->getDaug( 0 )->getDaug( 0 )->getNDaug() >= 2 ) {
d1d1 = root_part->getDaug( 0 )->getDaug( 0 )->getDaug( 0 )->getP4Lab();
double cosdecayd1d1 = EvtDecayAngle( v, d1, d1d1 );
cosd1d1->Fill( cosdecayd1d1 );
d1vsd1d1->Fill( cosdecayd1, cosdecayd1d1, 1.0 );
}
// first daughter of second daughter
if ( root_part->getDaug( 0 )->getDaug( 1 )->getNDaug() >= 2 ) {
d2d1 = root_part->getDaug( 0 )->getDaug( 1 )->getDaug( 0 )->getP4Lab();
double cosdecayd2d1 = EvtDecayAngle( v, d2, d2d1 );
cosd2d1->Fill( cosdecayd2d1 );
d2vsd2d1->Fill( cosdecayd2, cosdecayd2d1, 1.0 );
if ( root_part->getDaug( 0 )->getDaug( 0 )->getNDaug() >= 2 ) {
d1d1 =
root_part->getDaug( 0 )->getDaug( 0 )->getDaug( 0 )->getP4Lab();
double cosdecayd1d1 = EvtDecayAngle( v, d1, d1d1 );
d1d1vsd2d1->Fill( cosdecayd1d1, cosdecayd2d1, 1.0 );
//second daughters of daughters 1 and 2
d1d2 =
root_part->getDaug( 0 )->getDaug( 0 )->getDaug( 1 )->getP4Lab();
d2d2 =
root_part->getDaug( 0 )->getDaug( 1 )->getDaug( 1 )->getP4Lab();
double chi21 = 57.29578 *
EvtDecayAngleChi( v, d2d1, d2d2, d1d1, d1d2 );
double chi12 = 57.29578 *
EvtDecayAngleChi( v, d1d1, d1d2, d2d1, d2d2 );
chidd->Fill( chi12 );
chi12vsd1d1->Fill( chi12, cosdecayd1d1, 1.0 );
chi12vsd2d1->Fill( chi12, cosdecayd2d1, 1.0 );
chi21vsd1d1->Fill( chi21, cosdecayd1d1, 1.0 );
chi21vsd2d1->Fill( chi21, cosdecayd2d1, 1.0 );
}
}
root_part->deleteTree();
} while ( count++ < nevent );
file->Write();
file->Close();
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << "SUCCESS\n";
}
void runBsquark( int nevent, EvtGen& myGenerator )
{
static EvtId VPHO = EvtPDL::getId( std::string( "vpho" ) );
static EvtId B0 = EvtPDL::getId( std::string( "B0" ) );
static EvtId B0B = EvtPDL::getId( std::string( "anti-B0" ) );
TFile* file = new TFile( "bsquark.root", "RECREATE" );
TH1F* elep = new TH1F( "h1", "Elep", 50, 0.0, 1.5 );
TH1F* q2 = new TH1F( "h2", "q2", 50, 0.0, 3.0 );
TH2F* dalitz = new TH2F( "h3", "q2 vs. Elep", 50, 0.0, 1.5, 50, 0.0, 3.0 );
TH1F* elepbar = new TH1F( "h11", "Elep bar", 50, 0.0, 1.5 );
TH1F* q2bar = new TH1F( "h12", "q2 bar", 50, 0.0, 3.0 );
TH2F* dalitzbar = new TH2F( "h13", "q2 vs. Elep bar", 50, 0.0, 1.5, 50, 0.0,
3.0 );
int count = 1;
char udecay_name[100];
EvtVector4R cm, v, d1, d2, d1d1, d1d2, d2d1, d2d2;
strcpy( udecay_name, "exampleFiles/BSQUARK.DEC" );
myGenerator.readUDecay( udecay_name );
do {
EvtVector4R p_init( 10.55, 0.0, 0.0, 0.0 );
EvtParticle* root_part = EvtParticleFactory::particleFactory( VPHO,
p_init );
root_part->setVectorSpinDensity();
myGenerator.generateDecay( root_part );
EvtParticle* p = root_part->nextIter();
while ( p ) {
if ( p->getId() == B0 ) {
//EvtParticle *dstar=p->getDaug(0);
EvtParticle* lepton = p->getDaug( 1 );
EvtParticle* sneutrino = p->getDaug( 2 );
//EvtVector4R p4dstar=dstar->getP4();
EvtVector4R p4lepton = lepton->getP4();
EvtVector4R p4sneutrino = sneutrino->getP4();
elep->Fill( p4lepton.get( 0 ) );
q2->Fill( ( p4lepton + p4sneutrino ).mass2() );
dalitz->Fill( p4lepton.get( 0 ),
( p4lepton + p4sneutrino ).mass2(), 1.0 );
}
if ( p->getId() == B0B ) {
//EvtParticle *dstar=p->getDaug(0);
EvtParticle* lepton = p->getDaug( 1 );
EvtParticle* sneutrino = p->getDaug( 2 );
//EvtVector4R p4dstar=dstar->getP4();
EvtVector4R p4lepton = lepton->getP4();
EvtVector4R p4sneutrino = sneutrino->getP4();
elepbar->Fill( p4lepton.get( 0 ) );
q2bar->Fill( ( p4lepton + p4sneutrino ).mass2() );
dalitzbar->Fill( p4lepton.get( 0 ),
( p4lepton + p4sneutrino ).mass2(), 1.0 );
}
p = p->nextIter();
}
root_part->deleteTree();
} while ( count++ < nevent );
file->Write();
file->Close();
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << "SUCCESS\n";
}
void runK3gamma( int nevent, EvtGen& myGenerator )
{
static EvtId B0 = EvtPDL::getId( std::string( "B0" ) );
TFile* file = new TFile( "k3gamma.root", "RECREATE" );
TH1F* costheta = new TH1F( "h1", "cosTheta", 100, -1.0, 1.0 );
int count = 1;
char udecay_name[100];
EvtVector4R cm, v, d1, d2, d1d1, d1d2, d2d1, d2d2;
strcpy( udecay_name, "exampleFiles/K3GAMMA.DEC" );
myGenerator.readUDecay( udecay_name );
do {
EvtVector4R p_init( EvtPDL::getMass( B0 ), 0.0, 0.0, 0.0 );
EvtParticle* root_part = EvtParticleFactory::particleFactory( B0, p_init );
root_part->setDiagonalSpinDensity();
myGenerator.generateDecay( root_part );
EvtParticle* k3 = root_part->getDaug( 0 );
EvtParticle* k = k3->getDaug( 0 );
EvtVector4R p4b = root_part->getP4Lab();
EvtVector4R p4k3 = k3->getP4Lab();
EvtVector4R p4k = k->getP4Lab();
costheta->Fill( EvtDecayAngle( p4b, p4k3, p4k ) );
root_part->deleteTree();
} while ( count++ < nevent );
file->Write();
file->Close();
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << "SUCCESS\n";
}
void runLambda( int nevent, EvtGen& myGenerator )
{
static EvtId LAMBDA = EvtPDL::getId( std::string( "Lambda0" ) );
TFile* file = new TFile( "lambda.root", "RECREATE" );
TH1F* costheta = new TH1F( "h1", "cosTheta", 100, -1.0, 1.0 );
int count = 1;
char udecay_name[100];
EvtVector4R cm, v, d1, d2, d1d1, d1d2, d2d1, d2d2;
strcpy( udecay_name, "exampleFiles/LAMBDA.DEC" );
myGenerator.readUDecay( udecay_name );
do {
EvtVector4R p_init( EvtPDL::getMass( LAMBDA ), 0.0, 0.0, 0.0 );
EvtParticle* root_part = EvtParticleFactory::particleFactory( LAMBDA,
p_init );
EvtSpinDensity rho;
rho.setDim( 2 );
rho.set( 0, 0, 1.0 );
rho.set( 0, 1, 0.0 );
rho.set( 1, 0, 0.0 );
rho.set( 1, 1, 0.0 );
root_part->setSpinDensityForwardHelicityBasis( rho );
myGenerator.generateDecay( root_part );
EvtParticle* p = root_part->getDaug( 0 );
//EvtVector4R p4lambda=root_part->getP4Lab();
EvtVector4R p4p = p->getP4Lab();
costheta->Fill( p4p.get( 3 ) / p4p.d3mag() );
root_part->deleteTree();
} while ( count++ < nevent );
file->Write();
file->Close();
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << "SUCCESS\n";
}
void runTauTauPiPi( int nevent, EvtGen& myGenerator )
{
static EvtId UPS4 = EvtPDL::getId( std::string( "Upsilon(4S)" ) );
static EvtId VPHO = EvtPDL::getId( std::string( "vpho" ) );
TFile* file = new TFile( "tautaupipi.root", "RECREATE" );
TH1F* cospi1 = new TH1F( "h1", "cos theta pi1", 50, -1.0, 1.0 );
TH1F* cospi2 = new TH1F( "h2", "cos theta pi2", 50, -1.0, 1.0 );
TH1F* costheta = new TH1F( "h3", "cos theta", 50, -1.0, 1.0 );
std::ofstream outmix;
outmix.open( "tautaupipi.dat" );
int count = 1;
EvtVector4R tau1, tau2, pi1, pi2;
char udecay_name[100];
strcpy( udecay_name, "exampleFiles/TAUTAUPIPI.DEC" );
myGenerator.readUDecay( udecay_name );
do {
EvtVector4R p_init( EvtPDL::getMass( UPS4 ), 0.0, 0.0, 0.0 );
EvtParticle* root_part = EvtParticleFactory::particleFactory( VPHO,
p_init );
root_part->setVectorSpinDensity();
myGenerator.generateDecay( root_part );
tau1 = root_part->getDaug( 0 )->getP4Lab();
tau2 = root_part->getDaug( 1 )->getP4Lab();
pi1 = root_part->getDaug( 0 )->getDaug( 0 )->getP4Lab();
pi2 = root_part->getDaug( 1 )->getDaug( 0 )->getP4Lab();
cospi1->Fill( EvtDecayAngle( tau1 + tau2, tau1, pi1 ) );
cospi2->Fill( EvtDecayAngle( tau1 + tau2, tau2, pi2 ) );
costheta->Fill( tau1.get( 3 ) / tau1.d3mag() );
root_part->deleteTree();
} while ( count++ < nevent );
file->Write();
file->Close();
outmix.close();
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << "SUCCESS\n";
}
void runTauTauEE( int nevent, EvtGen& myGenerator )
{
static EvtId UPS4 = EvtPDL::getId( std::string( "Upsilon(4S)" ) );
static EvtId VPHO = EvtPDL::getId( std::string( "vpho" ) );
TFile* file = new TFile( "tautauee.root", "RECREATE" );
TH1F* e1 = new TH1F( "h1", "e1", 55, 0.0, 5.5 );
TH1F* e2 = new TH1F( "h2", "e2", 55, 0.0, 5.5 );
TH2F* e1vse2 = new TH2F( "h3", "e1 vs e2", 55, 0.0, 5.5, 55, 0.0, 5.5 );
int count = 1;
char udecay_name[100];
strcpy( udecay_name, "exampleFiles/TAUTAUEE.DEC" );
myGenerator.readUDecay( udecay_name );
do {
EvtVector4R p_init( EvtPDL::getMass( UPS4 ), 0.0, 0.0, 0.0 );
EvtParticle* root_part = EvtParticleFactory::particleFactory( VPHO,
p_init );
root_part->setVectorSpinDensity();
myGenerator.generateDecay( root_part );
e1->Fill( root_part->getDaug( 0 )->getDaug( 0 )->getP4Lab().get( 0 ) );
e2->Fill( root_part->getDaug( 1 )->getDaug( 0 )->getP4Lab().get( 0 ) );
e1vse2->Fill( root_part->getDaug( 0 )->getDaug( 0 )->getP4Lab().get( 0 ),
root_part->getDaug( 1 )->getDaug( 0 )->getP4Lab().get( 0 ),
1.0 );
root_part->deleteTree();
} while ( count++ < nevent );
file->Write();
file->Close();
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << "SUCCESS\n";
}
void runTauTau2Pi2Pi( int nevent, EvtGen& myGenerator )
{
static EvtId UPS4 = EvtPDL::getId( std::string( "Upsilon(4S)" ) );
static EvtId VPHO = EvtPDL::getId( std::string( "vpho" ) );
TFile* file = new TFile( "tautau2pi2pi.root", "RECREATE" );
TH1F* e1 = new TH1F( "h1", "mrho", 200, 0.0, 2.0 );
TH1F* e2 = new TH1F( "h2", "coshel", 200, -1.0, 1.0 );
int count = 1;
char udecay_name[100];
strcpy( udecay_name, "exampleFiles/TAUTAU2PI2PI.DEC" );
myGenerator.readUDecay( udecay_name );
do {
EvtVector4R p_init( EvtPDL::getMass( UPS4 ), 0.0, 0.0, 0.0 );
EvtParticle* root_part = EvtParticleFactory::particleFactory( VPHO,
p_init );
root_part->setVectorSpinDensity();
myGenerator.generateDecay( root_part );
EvtVector4R p4tau = root_part->getDaug( 0 )->getP4();
EvtVector4R p4rho = root_part->getDaug( 0 )->getDaug( 0 )->getP4() +
root_part->getDaug( 0 )->getDaug( 1 )->getP4();
EvtVector4R p4pi = root_part->getDaug( 0 )->getDaug( 0 )->getP4();
e1->Fill( p4rho.mass() );
double dcostheta = EvtDecayAngle( p4tau, p4rho, p4pi );
e2->Fill( dcostheta );
p4tau = root_part->getDaug( 1 )->getP4();
p4rho = root_part->getDaug( 1 )->getDaug( 0 )->getP4() +
root_part->getDaug( 1 )->getDaug( 1 )->getP4();
p4pi = root_part->getDaug( 1 )->getDaug( 0 )->getP4();
e1->Fill( p4rho.mass() );
dcostheta = EvtDecayAngle( p4tau, p4rho, p4pi );
e2->Fill( dcostheta );
root_part->deleteTree();
} while ( count++ < nevent );
file->Write();
file->Close();
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << "SUCCESS\n";
}
void runTauTau3Pi3Pi( int nevent, EvtGen& myGenerator )
{
static EvtId UPS4 = EvtPDL::getId( std::string( "Upsilon(4S)" ) );
static EvtId VPHO = EvtPDL::getId( std::string( "vpho" ) );
TFile* file = new TFile( "tautau3pi3pi.root", "RECREATE" );
TH1F* e1 = new TH1F( "h1", "a1", 200, 0.0, 2.0 );
int count = 1;
char udecay_name[100];
strcpy( udecay_name, "exampleFiles/TAUTAU3PI3PI.DEC" );
myGenerator.readUDecay( udecay_name );
do {
EvtVector4R p_init( EvtPDL::getMass( UPS4 ), 0.0, 0.0, 0.0 );
EvtParticle* root_part = EvtParticleFactory::particleFactory( VPHO,
p_init );
root_part->setVectorSpinDensity();
myGenerator.generateDecay( root_part );
EvtVector4R p4tau = root_part->getDaug( 0 )->getP4();
EvtVector4R p4a1 = root_part->getDaug( 0 )->getDaug( 0 )->getP4() +
root_part->getDaug( 0 )->getDaug( 1 )->getP4() +
root_part->getDaug( 0 )->getDaug( 2 )->getP4();
e1->Fill( p4a1.mass() );
p4tau = root_part->getDaug( 1 )->getP4();
p4a1 = root_part->getDaug( 1 )->getDaug( 0 )->getP4() +
root_part->getDaug( 1 )->getDaug( 1 )->getP4() +
root_part->getDaug( 1 )->getDaug( 2 )->getP4();
e1->Fill( p4a1.mass() );
root_part->deleteTree();
} while ( count++ < nevent );
file->Write();
file->Close();
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << "SUCCESS\n";
}
void runJPsiKstar( int nevent, EvtGen& myGenerator, int modeInt )
{
std::ofstream outmix;
outmix.open( "jpsikstar.dat" );
int count = 1;
char udecay_name[100];
if ( modeInt == 0 )
strcpy( udecay_name, "exampleFiles/JPSIKSTAR.DEC" );
if ( modeInt == 1 )
strcpy( udecay_name, "exampleFiles/JPSIKSTAR1.DEC" );
if ( modeInt == 2 )
strcpy( udecay_name, "exampleFiles/JPSIKSTAR2.DEC" );
if ( modeInt == 3 )
strcpy( udecay_name, "exampleFiles/JPSIKSTAR3.DEC" );
if ( modeInt == 4 )
strcpy( udecay_name, "exampleFiles/JPSIKSTAR4.DEC" );
static EvtId UPS4 = EvtPDL::getId( std::string( "Upsilon(4S)" ) );
static EvtId B0 = EvtPDL::getId( std::string( "B0" ) );
static EvtId B0B = EvtPDL::getId( std::string( "anti-B0" ) );
myGenerator.readUDecay( udecay_name );
do {
EvtVector4R p_init( EvtPDL::getMass( UPS4 ), 0.0, 0.0, 0.0 );
EvtParticle* root_part = EvtParticleFactory::particleFactory( UPS4,
p_init );
root_part->setVectorSpinDensity();
myGenerator.generateDecay( root_part );
EvtParticle *btag, *bcp;
if ( root_part->getDaug( 0 )->getNDaug() == 3 ) {
btag = root_part->getDaug( 0 );
bcp = root_part->getDaug( 1 );
} else {
bcp = root_part->getDaug( 0 );
btag = root_part->getDaug( 1 );
}
EvtId tag;
if ( btag->getId() == B0B ) {
tag = B0;
} else {
tag = B0B;
}
EvtParticle *p_b, *p_psi, *p_kstar, *p_pi0, *p_kz, *p_ep, *p_em;
EvtVector4R p4_b, p4_psi, p4_kstar, p4_pi0, p4_kz, p4_ep, p4_em;
p_b = bcp;
p_psi = p_b->getDaug( 0 );
p_kstar = p_b->getDaug( 1 );
p_pi0 = p_kstar->getDaug( 0 );
p_kz = p_kstar->getDaug( 1 );
p_ep = p_psi->getDaug( 0 );
p_em = p_psi->getDaug( 1 );
p4_b = p_b->getP4Lab();
p4_psi = p_psi->getP4Lab();
p4_kstar = p_kstar->getP4Lab();
p4_pi0 = p_pi0->getP4Lab();
p4_kz = p_kz->getP4Lab();
p4_ep = p_ep->getP4Lab();
p4_em = p_em->getP4Lab();
outmix << tag.getId() << " ";
outmix << root_part->getDaug( 0 )->getLifetime() << " ";
outmix << root_part->getDaug( 1 )->getLifetime() << " ";
outmix << EvtDecayAngle( p4_b, p4_ep + p4_em, p4_ep ) << " ";
outmix << EvtDecayAngle( p4_b, p4_pi0 + p4_kz, p4_pi0 ) << " ";
outmix << EvtDecayAngleChi( p4_b, p4_pi0, p4_kz, p4_ep, p4_em ) << "\n";
root_part->deleteTree();
} while ( count++ < nevent );
outmix.close();
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << "SUCCESS\n";
}
void runSVVCPLH( int nevent, EvtGen& myGenerator )
{
TFile* file = new TFile( "svvcplh.root", "RECREATE" );
TH1F* t = new TH1F( "h1", "t", 50, 0.0, 5.0 );
TH1F* cospsi = new TH1F( "h2", "cos theta e+", 50, -1.0, 1.0 );
TH1F* cosphi = new TH1F( "h3", "cos theta k+", 50, -1.0, 1.0 );
TH1F* chi = new TH1F( "h4", "chi", 50, 0.0, 2.0 * EvtConst::pi );
int count = 1;
char udecay_name[100];
strcpy( udecay_name, "exampleFiles/SVVCPLH.DEC" );
myGenerator.readUDecay( udecay_name );
static EvtId BS0 = EvtPDL::getId( std::string( "B_s0" ) );
do {
EvtVector4R p_init( EvtPDL::getMass( BS0 ), 0.0, 0.0, 0.0 );
EvtParticle* root_part = EvtParticleFactory::particleFactory( BS0,
p_init );
root_part->setDiagonalSpinDensity();
myGenerator.generateDecay( root_part );
EvtParticle *p_b, *p_psi, *p_phi, *p_kp, *p_km, *p_ep, *p_em;
EvtVector4R p4_b, p4_psi, p4_phi, p4_kp, p4_km, p4_ep, p4_em;
p_b = root_part;
if ( p_b->getNDaug() == 1 )
p_b = p_b->getDaug( 0 );
p_psi = p_b->getDaug( 0 );
p_phi = p_b->getDaug( 1 );
p_kp = p_phi->getDaug( 0 );
p_km = p_phi->getDaug( 1 );
p_ep = p_psi->getDaug( 0 );
p_em = p_psi->getDaug( 1 );
p4_b = p_b->getP4Lab();
p4_psi = p_psi->getP4Lab();
p4_phi = p_phi->getP4Lab();
p4_kp = p_kp->getP4Lab();
p4_km = p_km->getP4Lab();
p4_ep = p_ep->getP4Lab();
p4_em = p_em->getP4Lab();
t->Fill( root_part->getLifetime() );
cospsi->Fill( EvtDecayAngle( p4_b, p4_ep + p4_em, p4_ep ) );
cosphi->Fill( EvtDecayAngle( p4_b, p4_kp + p4_km, p4_kp ) );
chi->Fill( EvtDecayAngleChi( p4_b, p4_kp, p4_km, p4_ep, p4_em ) );
root_part->deleteTree();
} while ( count++ < nevent );
file->Write();
file->Close();
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << "SUCCESS\n";
}
void runSVSCPLH( int nevent, EvtGen& myGenerator )
{
TFile* file = new TFile( "svscplh.root", "RECREATE" );
TH1F* t = new TH1F( "h1", "t", 200, -5.0, 5.0 );
TH1F* tB0tag = new TH1F( "h2", "dt B0 tag (ps)", 200, -15.0, 15.0 );
TH1F* tB0Btag = new TH1F( "h3", "dt B0B tag (ps)", 200, -15.0, 15.0 );
TH1F* ctheta = new TH1F( "h4", "costheta", 50, -1.0, 1.0 );
int count = 1;
char udecay_name[100];
strcpy( udecay_name, "exampleFiles/SVSCPLH.DEC" );
myGenerator.readUDecay( udecay_name );
static EvtId UPS4 = EvtPDL::getId( std::string( "Upsilon(4S)" ) );
static EvtId B0 = EvtPDL::getId( std::string( "B0" ) );
static EvtId B0B = EvtPDL::getId( std::string( "anti-B0" ) );
std::ofstream outmix;
outmix.open( "svscplh.dat" );
do {
EvtVector4R p_init( EvtPDL::getMass( UPS4 ), 0.0, 0.0, 0.0 );
EvtParticle* root_part = EvtParticleFactory::particleFactory( UPS4,
p_init );
root_part->setVectorSpinDensity();
myGenerator.generateDecay( root_part );
EvtParticle *p_tag, *p_cp, *p_jpsi, *p_ep;
EvtVector4R p4_tag, p4_cp, p4_jpsi, p4_ep;
p_tag = root_part->getDaug( 0 );
p_cp = root_part->getDaug( 1 );
p_jpsi = p_cp->getDaug( 0 );
p_ep = p_jpsi->getDaug( 0 );
p4_tag = p_tag->getP4Lab();
p4_cp = p_cp->getP4Lab();
p4_jpsi = p_jpsi->getP4Lab();
p4_ep = p_ep->getP4Lab();
double dt = p_cp->getLifetime() - p_tag->getLifetime();
dt = dt / ( 1e-12 * 3e11 );
t->Fill( dt );
if ( p_tag->getId() == B0 ) {
tB0tag->Fill( dt );
outmix << dt << " 1" << std::endl;
}
if ( p_tag->getId() == B0B ) {
tB0Btag->Fill( dt );
outmix << dt << " -1" << std::endl;
}
ctheta->Fill( EvtDecayAngle( p4_cp, p4_jpsi, p4_ep ) );
root_part->deleteTree();
} while ( count++ < nevent );
file->Write();
file->Close();
outmix.close();
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << "SUCCESS\n";
}
void runSSDCP( int nevent, EvtGen& myGenerator )
{
TFile* file = new TFile( "ssdcp.root", "RECREATE" );
TH1F* t = new TH1F( "h1", "dt", 100, -15.0, 15.0 );
TH1F* tB0tag = new TH1F( "h2", "dt B0 tag (ps)", 100, -15.0, 15.0 );
TH1F* tB0Btag = new TH1F( "h3", "dt B0B tag (ps)", 100, -15.0, 15.0 );
int count = 1;
char udecay_name[100];
strcpy( udecay_name, "exampleFiles/SSDCP.DEC" );
myGenerator.readUDecay( udecay_name );
static EvtId UPS4 = EvtPDL::getId( std::string( "Upsilon(4S)" ) );
static EvtId B0 = EvtPDL::getId( std::string( "B0" ) );
static EvtId B0B = EvtPDL::getId( std::string( "anti-B0" ) );
std::ofstream outmix;
do {
EvtVector4R pinit( EvtPDL::getMass( UPS4 ), 0.0, 0.0, 0.0 );
EvtParticle* root_part = EvtParticleFactory::particleFactory( UPS4,
pinit );
root_part->setVectorSpinDensity();
myGenerator.generateDecay( root_part );
EvtParticle *p_tag, *p_cp, *p_jpsi;
EvtVector4R p4_tag, p4_cp, p4_jpsi, p4_ep;
p_tag = root_part->getDaug( 0 );
p_cp = root_part->getDaug( 1 );
p_jpsi = p_cp->getDaug( 0 );
//p_ep=p_jpsi->getDaug(0);
p4_tag = p_tag->getP4Lab();
p4_cp = p_cp->getP4Lab();
p4_jpsi = p_jpsi->getP4Lab();
//p4_ep=p_ep->getP4Lab();
double dt = p_cp->getLifetime() - p_tag->getLifetime();
dt = dt / ( 1e-12 * EvtConst::c );
t->Fill( dt );
if ( p_tag->getId() == B0 ) {
tB0tag->Fill( dt );
}
if ( p_tag->getId() == B0B ) {
tB0Btag->Fill( dt );
}
root_part->deleteTree();
} while ( count++ < nevent );
file->Write();
file->Close();
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << "SUCCESS\n";
}
void runKstarstargamma( int nevent, EvtGen& myGenerator )
{
TFile* file = new TFile( "kstarstargamma.root", "RECREATE" );
TH1F* m = new TH1F( "h1", "mkpi", 100, 0.5, 2.5 );
TH1F* ctheta = new TH1F( "h2", "ctheta", 100, -1.0, 1.0 );
int count = 1;
myGenerator.readUDecay( "exampleFiles/KSTARSTARGAMMA.DEC" );
static EvtId B0 = EvtPDL::getId( std::string( "B0" ) );
std::ofstream outmix;
do {
EvtVector4R pinit( EvtPDL::getMass( B0 ), 0.0, 0.0, 0.0 );
EvtParticle* root_part = EvtParticleFactory::particleFactory( B0, pinit );
root_part->setDiagonalSpinDensity();
myGenerator.generateDecay( root_part );
EvtParticle *p_kaon, *p_pion;
EvtVector4R p4_kaon, p4_pion;
p_kaon = root_part->getDaug( 0 );
p_pion = root_part->getDaug( 1 );
p4_kaon = p_kaon->getP4Lab();
p4_pion = p_pion->getP4Lab();
m->Fill( ( p4_kaon + p4_pion ).mass() );
ctheta->Fill( EvtDecayAngle( pinit, p4_kaon + p4_pion, p4_kaon ) );
//EvtGenReport(EVTGEN_INFO,"EvtGen") << "ctheta:"<<EvtDecayAngle(pinit,p4_kaon+p4_pion,p4_kaon)<<std::endl;
root_part->deleteTree();
} while ( count++ < nevent );
file->Write();
file->Close();
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << "SUCCESS\n";
}
void runDSTARPI( int nevent, EvtGen& myGenerator )
{
TFile* file = new TFile( "dstarpi.root", "RECREATE" );
TH1F* t = new TH1F( "h1", "dt", 100, -15.0, 15.0 );
TH1F* tB0tagpip = new TH1F( "h2", "dt B0 tag pi+ (ps)", 100, -15.0, 15.0 );
TH1F* tB0Btagpip = new TH1F( "h3", "dt B0B tag pi+(ps)", 100, -15.0, 15.0 );
TH1F* tB0tagpim = new TH1F( "h4", "dt B0 tag pi- (ps)", 100, -15.0, 15.0 );
TH1F* tB0Btagpim = new TH1F( "h5", "dt B0B tag pi- (ps)", 100, -15.0, 15.0 );
int count = 1;
myGenerator.readUDecay( "exampleFiles/DSTARPI.DEC" );
static EvtId UPS4 = EvtPDL::getId( std::string( "Upsilon(4S)" ) );
static EvtId B0 = EvtPDL::getId( std::string( "B0" ) );
static EvtId B0B = EvtPDL::getId( std::string( "anti-B0" ) );
static EvtId PIP = EvtPDL::getId( std::string( "pi+" ) );
static EvtId PIM = EvtPDL::getId( std::string( "pi-" ) );
std::ofstream outmix;
do {
EvtVector4R pinit( EvtPDL::getMass( UPS4 ), 0.0, 0.0, 0.0 );
EvtParticle* root_part = EvtParticleFactory::particleFactory( UPS4,
pinit );
root_part->setVectorSpinDensity();
myGenerator.generateDecay( root_part );
EvtParticle *p_tag, *p_cp, *p_pi;
p_tag = root_part->getDaug( 0 );
p_cp = root_part->getDaug( 1 );
//p_dstar=p_cp->getDaug(1);
p_pi = p_cp->getDaug( 0 );
double dt = p_cp->getLifetime() - p_tag->getLifetime();
dt = dt / ( 1e-12 * EvtConst::c );
t->Fill( dt );
if ( p_tag->getId() == B0 ) {
if ( p_pi->getId() == PIP )
tB0tagpip->Fill( dt );
if ( p_pi->getId() == PIM )
tB0tagpim->Fill( dt );
}
if ( p_tag->getId() == B0B ) {
if ( p_pi->getId() == PIP )
tB0Btagpip->Fill( dt );
if ( p_pi->getId() == PIM )
tB0Btagpim->Fill( dt );
}
root_part->deleteTree();
} while ( count++ < nevent );
file->Write();
file->Close();
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << "SUCCESS\n";
}
void runETACPHIPHI( int nevent, EvtGen& myGenerator )
{
TFile* file = new TFile( "etacphiphi.root", "RECREATE" );
TH2F* cosphi12 = new TH2F( "h1", "cos phi1 vs phi2", 50, -1.0, 1.0, 50,
-1.0, 1.0 );
TH1F* cosphi1 = new TH1F( "h2", "cos phi1", 50, -1.0, 1.0 );
TH1F* cosphi2 = new TH1F( "h3", "cos phi2", 50, -1.0, 1.0 );
TH1F* chi = new TH1F( "h4", "chi", 50, 0.0, 2.0 * EvtConst::pi );
int count = 1;
char udecay_name[100];
strcpy( udecay_name, "exampleFiles/ETACPHIPHI.DEC" );
myGenerator.readUDecay( udecay_name );
static EvtId ETAC = EvtPDL::getId( std::string( "eta_c" ) );
do {
EvtVector4R p_init( EvtPDL::getMass( ETAC ), 0.0, 0.0, 0.0 );
EvtParticle* root_part = EvtParticleFactory::particleFactory( ETAC,
p_init );
root_part->setDiagonalSpinDensity();
myGenerator.generateDecay( root_part );
EvtParticle *p_etac, *p_phi1, *p_phi2, *p_kp1, *p_km1, *p_kp2, *p_km2;
EvtVector4R p4_etac, p4_phi1, p4_phi2, p4_kp1, p4_km1, p4_kp2, p4_km2;
p_etac = root_part;
p_phi1 = p_etac->getDaug( 0 );
p_phi2 = p_etac->getDaug( 1 );
p_kp1 = p_phi1->getDaug( 0 );
p_km1 = p_phi1->getDaug( 1 );
p_kp2 = p_phi2->getDaug( 0 );
p_km2 = p_phi2->getDaug( 1 );
p4_etac = p_etac->getP4Lab();
p4_phi1 = p_phi1->getP4Lab();
p4_phi2 = p_phi2->getP4Lab();
p4_kp1 = p_kp1->getP4Lab();
p4_km1 = p_km1->getP4Lab();
p4_kp2 = p_kp2->getP4Lab();
p4_km2 = p_km2->getP4Lab();
cosphi12->Fill( EvtDecayAngle( p4_etac, p4_phi1, p4_kp1 ),
EvtDecayAngle( p4_etac, p4_phi2, p4_kp2 ), 1.0 );
cosphi1->Fill( EvtDecayAngle( p4_etac, p4_phi1, p4_kp1 ) );
cosphi2->Fill( EvtDecayAngle( p4_etac, p4_phi2, p4_kp2 ) );
chi->Fill( EvtDecayAngleChi( p4_etac, p4_kp1, p4_km1, p4_kp2, p4_km2 ) );
root_part->deleteTree();
} while ( count++ < nevent );
file->Write();
file->Close();
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << "SUCCESS\n";
}
void runVVPiPi( int nevent, EvtGen& myGenerator )
{
TFile* file = new TFile( "vvpipi.root", "RECREATE" );
TH1F* cospsi = new TH1F( "h1", "cos theta J/psi ", 50, -1.0, 1.0 );
TH1F* cose = new TH1F( "h2", "cos theta e+ ", 50, -1.0, 1.0 );
TH1F* mpipi = new TH1F( "h3", "m pipi ", 50, 0.0, 1.0 );
TH2F* cosevspsi = new TH2F( "h4", "cos theta e+vs cos thete J/psi ", 25,
-1.0, 1.0, 25, -1.0, 1.0 );
TH1F* cose1 = new TH1F( "h5", "cos theta e+ 1 ", 50, -1.0, 1.0 );
TH1F* cose2 = new TH1F( "h6", "cos theta e+ 2 ", 50, -1.0, 1.0 );
int count = 1;
char udecay_name[100];
strcpy( udecay_name, "exampleFiles/VVPIPI.DEC" );
myGenerator.readUDecay( udecay_name );
static EvtId B0 = EvtPDL::getId( std::string( "B0" ) );
do {
EvtVector4R p_init( EvtPDL::getMass( B0 ), 0.0, 0.0, 0.0 );
EvtParticle* root_part = EvtParticleFactory::particleFactory( B0, p_init );
root_part->setDiagonalSpinDensity();
myGenerator.generateDecay( root_part );
EvtParticle *p_b, *p_psip, *p_psi, *p_ep, *p_pi1, *p_pi2;
EvtVector4R p4_b, p4_psip, p4_psi, p4_ep, p4_pi1, p4_pi2;
p_b = root_part;
p_psip = p_b->getDaug( 0 );
p_psi = p_psip->getDaug( 0 );
p_pi1 = p_psip->getDaug( 1 );
p_pi2 = p_psip->getDaug( 2 );
p_ep = p_psi->getDaug( 0 );
p4_b = p_b->getP4Lab();
p4_psip = p_psip->getP4Lab();
p4_psi = p_psi->getP4Lab();
p4_pi1 = p_pi1->getP4Lab();
p4_pi2 = p_pi2->getP4Lab();
p4_ep = p_ep->getP4Lab();
cospsi->Fill( EvtDecayAngle( p4_b, p4_psip, p4_psi ) );
cose->Fill( EvtDecayAngle( p4_psip, p4_psi, p4_ep ) );
mpipi->Fill( ( p4_pi1 + p4_pi2 ).mass() );
cosevspsi->Fill( EvtDecayAngle( p4_b, p4_psip, p4_psi ),
EvtDecayAngle( p4_psip, p4_psi, p4_ep ), 1.0 );
if ( std::fabs( EvtDecayAngle( p4_b, p4_psip, p4_psi ) ) > 0.95 ) {
cose1->Fill( EvtDecayAngle( p4_psip, p4_psi, p4_ep ) );
}
if ( std::fabs( EvtDecayAngle( p4_b, p4_psip, p4_psi ) ) < 0.05 ) {
cose2->Fill( EvtDecayAngle( p4_psip, p4_psi, p4_ep ) );
}
root_part->deleteTree();
} while ( count++ < nevent );
file->Write();
file->Close();
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << "SUCCESS\n";
}
void runSVVHelAmp( int nevent, EvtGen& myGenerator )
{
TFile* file = new TFile( "svvhelamp.root", "RECREATE" );
TH1F* cospip = new TH1F( "h1", "cos theta pi+", 50, -1.0, 1.0 );
TH1F* cospim = new TH1F( "h2", "cos theta pi-", 50, -1.0, 1.0 );
TH1F* chi = new TH1F( "h3", "chi pi+ to pi- in D+ direction", 50, 0.0,
EvtConst::twoPi );
TH1F* chicospipp = new TH1F( "h4",
"chi pi+ to pi- in D+ direction (cospip>0)",
50, 0.0, EvtConst::twoPi );
TH1F* chicospipn = new TH1F( "h5", "chi pi+ to pi- in D+ direction (cospip<0",
50, 0.0, EvtConst::twoPi );
TH1F* chipp = new TH1F( "h6",
"chi pi+ to pi- in D+ direction (cospip>0,cospim>0)",
50, 0.0, EvtConst::twoPi );
TH1F* chipn = new TH1F( "h7",
"chi pi+ to pi- in D+ direction (cospip>0,cospim<0)",
50, 0.0, EvtConst::twoPi );
TH1F* chinp = new TH1F( "h8",
"chi pi+ to pi- in D+ direction (cospip<0,cospim>0)",
50, 0.0, EvtConst::twoPi );
TH1F* chinn = new TH1F( "h9",
"chi pi+ to pi- in D+ direction (cospip<0,cospim<0)",
50, 0.0, EvtConst::twoPi );
TH1F* chinnnn = new TH1F(
"h10", "chi pi+ to pi- in D+ direction (cospip<-0.5,cospim<-0.5)", 50,
0.0, EvtConst::twoPi );
int count = 1;
char udecay_name[100];
strcpy( udecay_name, "exampleFiles/SVVHELAMP.DEC" );
myGenerator.readUDecay( udecay_name );
static EvtId B0 = EvtPDL::getId( std::string( "B0" ) );
do {
EvtVector4R p_init( EvtPDL::getMass( B0 ), 0.0, 0.0, 0.0 );
EvtParticle* root_part = EvtParticleFactory::particleFactory( B0, p_init );
root_part->setDiagonalSpinDensity();
myGenerator.generateDecay( root_part );
EvtParticle *p_b, *p_dstp, *p_dstm, *p_pip, *p_pim, *p_d0, *p_d0b;
EvtVector4R p4_b, p4_dstp, p4_dstm, p4_pip, p4_pim, p4_d0, p4_d0b;
p_b = root_part;
p_dstp = p_b->getDaug( 0 );
p_dstm = p_b->getDaug( 1 );
p_pip = p_dstp->getDaug( 1 );
p_pim = p_dstm->getDaug( 1 );
p_d0 = p_dstp->getDaug( 0 );
p_d0b = p_dstm->getDaug( 0 );
p4_b = p_b->getP4Lab();
p4_dstp = p_dstp->getP4Lab();
p4_dstm = p_dstm->getP4Lab();
p4_pip = p_pip->getP4Lab();
p4_pim = p_pim->getP4Lab();
p4_d0 = p_d0->getP4Lab();
p4_d0b = p_d0b->getP4Lab();
double costhpip = EvtDecayAngle( p4_b, p4_pip + p4_d0, p4_pip );
double costhpim = EvtDecayAngle( p4_b, p4_pim + p4_d0b, p4_pim );
double chiang = EvtDecayAngleChi( p4_b, p4_pip, p4_d0, p4_pim, p4_d0b );
cospip->Fill( costhpip );
cospim->Fill( costhpim );
chi->Fill( chiang );
if ( costhpip > 0 )
chicospipp->Fill( chiang );
if ( costhpip < 0 )
chicospipn->Fill( chiang );
if ( costhpip > 0 && costhpim > 0 )
chipp->Fill( chiang );
if ( costhpip > 0 && costhpim < 0 )
chipn->Fill( chiang );
if ( costhpip < 0 && costhpim > 0 )
chinp->Fill( chiang );
if ( costhpip < 0 && costhpim < 0 )
chinn->Fill( chiang );
if ( costhpip < -0.5 && costhpim < -0.5 )
chinnnn->Fill( chiang );
root_part->deleteTree();
} while ( count++ < nevent );
file->Write();
file->Close();
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << "SUCCESS\n";
}
void runPartWave( int nevent, EvtGen& myGenerator )
{
TFile* file = new TFile( "partwave.root", "RECREATE" );
TH1F* cospip = new TH1F( "h1", "cos theta pi+", 50, -1.0, 1.0 );
TH1F* cospim = new TH1F( "h2", "cos theta pi-", 50, -1.0, 1.0 );
TH1F* chi = new TH1F( "h3", "chi pi+ to pi- in D+ direction", 50, 0.0,
EvtConst::twoPi );
TH1F* chicospipp = new TH1F( "h4",
"chi pi+ to pi- in D+ direction (cospip>0)",
50, 0.0, EvtConst::twoPi );
TH1F* chicospipn = new TH1F( "h5", "chi pi+ to pi- in D+ direction (cospip<0",
50, 0.0, EvtConst::twoPi );
TH1F* chipp = new TH1F( "h6",
"chi pi+ to pi- in D+ direction (cospip>0,cospim>0)",
50, 0.0, EvtConst::twoPi );
TH1F* chipn = new TH1F( "h7",
"chi pi+ to pi- in D+ direction (cospip>0,cospim<0)",
50, 0.0, EvtConst::twoPi );
TH1F* chinp = new TH1F( "h8",
"chi pi+ to pi- in D+ direction (cospip<0,cospim>0)",
50, 0.0, EvtConst::twoPi );
TH1F* chinn = new TH1F( "h9",
"chi pi+ to pi- in D+ direction (cospip<0,cospim<0)",
50, 0.0, EvtConst::twoPi );
TH1F* chinnnn = new TH1F(
"h10", "chi pi+ to pi- in D+ direction (cospip<-0.5,cospim<-0.5)", 50,
0.0, EvtConst::twoPi );
int count = 1;
char udecay_name[100];
strcpy( udecay_name, "exampleFiles/PARTWAVE.DEC" );
myGenerator.readUDecay( udecay_name );
static EvtId B0 = EvtPDL::getId( std::string( "B0" ) );
do {
EvtVector4R p_init( EvtPDL::getMass( B0 ), 0.0, 0.0, 0.0 );
EvtParticle* root_part = EvtParticleFactory::particleFactory( B0, p_init );
root_part->setDiagonalSpinDensity();
myGenerator.generateDecay( root_part );
EvtParticle *p_b, *p_dstp, *p_dstm, *p_pip, *p_pim, *p_d0, *p_d0b;
EvtVector4R p4_b, p4_dstp, p4_dstm, p4_pip, p4_pim, p4_d0, p4_d0b;
p_b = root_part;
p_dstp = p_b->getDaug( 0 );
p_dstm = p_b->getDaug( 1 );
p_pip = p_dstp->getDaug( 1 );
p_pim = p_dstm->getDaug( 1 );
p_d0 = p_dstp->getDaug( 0 );
p_d0b = p_dstm->getDaug( 0 );
p4_b = p_b->getP4Lab();
p4_dstp = p_dstp->getP4Lab();
p4_dstm = p_dstm->getP4Lab();
p4_pip = p_pip->getP4Lab();
p4_pim = p_pim->getP4Lab();
p4_d0 = p_d0->getP4Lab();
p4_d0b = p_d0b->getP4Lab();
double costhpip = EvtDecayAngle( p4_b, p4_pip + p4_d0, p4_pip );
double costhpim = EvtDecayAngle( p4_b, p4_pim + p4_d0b, p4_pim );
double chiang = EvtDecayAngleChi( p4_b, p4_pip, p4_d0, p4_pim, p4_d0b );
cospip->Fill( costhpip );
cospim->Fill( costhpim );
chi->Fill( chiang );
if ( costhpip > 0 )
chicospipp->Fill( chiang );
if ( costhpip < 0 )
chicospipn->Fill( chiang );
if ( costhpip > 0 && costhpim > 0 )
chipp->Fill( chiang );
if ( costhpip > 0 && costhpim < 0 )
chipn->Fill( chiang );
if ( costhpip < 0 && costhpim > 0 )
chinp->Fill( chiang );
if ( costhpip < 0 && costhpim < 0 )
chinn->Fill( chiang );
if ( costhpip < -0.5 && costhpim < -0.5 )
chinnnn->Fill( chiang );
root_part->deleteTree();
} while ( count++ < nevent );
file->Write();
file->Close();
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << "SUCCESS\n";
}
void runPartWave2( int nevent, EvtGen& myGenerator )
{
TFile file( "partwave2.root", "RECREATE" );
TH1F* cthetapi = new TH1F( "h1", "cos theta pi", 50, -1.0, 1.0 );
TH1F* cthetapi2 = new TH1F( "h2", "cos theta pi (|cosrho|<0.1)", 50, -1.0,
1.0 );
TH1F* cthetan = new TH1F( "h3", "cos thetan", 50, -1.0, 1.0 );
//TH1F* cthetan2 = new TH1F("h4","cos thetan costhetapi>0 ",
// 50,-1.0,1.0);
TH1F* cthetarho = new TH1F( "h4", "cos thetarho ", 50, -1.0, 1.0 );
int count = 1;
char udecay_name[100];
strcpy( udecay_name, "exampleFiles/PARTWAVE2.DEC" );
myGenerator.readUDecay( udecay_name );
static EvtId B0 = EvtPDL::getId( std::string( "B0" ) );
do {
EvtVector4R p_init( EvtPDL::getMass( B0 ), 0.0, 0.0, 0.0 );
EvtParticle* root_part = EvtParticleFactory::particleFactory( B0, p_init );
root_part->setDiagonalSpinDensity();
myGenerator.generateDecay( root_part );
EvtParticle *p_b, *p_jpsi, *p_rho, *p_pi1, *p_pi2;
EvtVector4R p4_b, p4_jpsi, p4_rho, p4_pi1, p4_pi2;
p_b = root_part;
p_jpsi = root_part->getDaug( 0 );
p_rho = 0;
if ( p_jpsi->getDaug( 0 )->getNDaug() == 2 ) {
p_rho = p_jpsi->getDaug( 0 );
}
if ( p_jpsi->getDaug( 1 )->getNDaug() == 2 ) {
p_rho = p_jpsi->getDaug( 1 );
}
assert( p_rho != 0 );
p_pi1 = p_rho->getDaug( 0 );
p_pi2 = p_rho->getDaug( 1 );
p4_b = p_b->getP4Lab();
p4_jpsi = p_jpsi->getP4Lab();
p4_rho = p_rho->getP4Lab();
p4_pi1 = p_pi1->getP4Lab();
p4_pi2 = p_pi2->getP4Lab();
double costhetan = EvtDecayPlaneNormalAngle( p4_b, p4_jpsi, p4_pi1,
p4_pi2 );
//EvtGenReport(EVTGEN_INFO,"EvtGen") << "costhetan:"<<costhetan<<std::endl;
cthetan->Fill( costhetan );
double costhpi = EvtDecayAngle( p4_jpsi, p4_rho, p4_pi1 );
double costhrho = EvtDecayAngle( p4_b, p4_jpsi, p4_rho );
//EvtGenReport(EVTGEN_INFO,"EvtGen") << "costhetarho:"<<costhrho<<std::endl;
cthetarho->Fill( costhrho );
//if (((p4_rho.get(3)/p4_rho.d3mag()))<-0.95) cthetan2->Fill( costhetan );
cthetapi->Fill( costhpi );
if ( ( p4_rho.get( 3 ) / p4_rho.d3mag() ) > 0.9 ) {
cthetapi2->Fill( costhpi );
}
root_part->deleteTree();
} while ( count++ < nevent );
file.Write();
file.Close();
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << "SUCCESS\n";
}
void runTwoBody( int nevent, EvtGen& myGenerator, std::string decFile,
std::string rootFile )
{
TFile* file = new TFile( rootFile.c_str(), "RECREATE" );
int count = 0;
myGenerator.readUDecay( decFile.c_str() );
static EvtId B0 = EvtPDL::getId( std::string( "B0" ) );
vector<TH1F*> histograms;
do {
EvtVector4R p_init( EvtPDL::getMass( B0 ), 0.0, 0.0, 0.0 );
EvtParticle* root_part = EvtParticleFactory::particleFactory( B0, p_init );
root_part->setDiagonalSpinDensity();
myGenerator.generateDecay( root_part );
//root_part->printTree();
myGenerator.generateDecay( root_part );
int nhist = 0;
EvtParticle* p = root_part;
do {
int nDaug = p->getNDaug();
if ( !( nDaug == 0 || nDaug == 2 ) ) {
EvtGenReport( EVTGEN_INFO, "EvtGen" )
<< "nDaug=" << nDaug << " but can only handle 0 or 2!"
<< std::endl;
abort();
}
if ( nDaug == 2 ) {
if ( p->getParent() == 0 ) {
EvtVector4R p4 = p->getDaug( 0 )->getP4();
double ctheta = p4.get( 3 ) / p4.d3mag();
double phi = atan2( p4.get( 2 ), p4.get( 1 ) );
if ( count == 0 ) {
histograms.push_back(
new TH1F( "h1", "cos theta", 50, -1.0, 1.0 ) );
histograms.push_back( new TH1F(
"h2", "phi", 50, -EvtConst::pi, EvtConst::pi ) );
}
histograms[nhist++]->Fill( ctheta );
histograms[nhist++]->Fill( phi );
} else {
double ctheta = EvtDecayAngle( p->getParent()->getP4Lab(),
p->getP4Lab(),
p->getDaug( 0 )->getP4Lab() );
if ( count == 0 ) {
// char* tmp=new char[10];
// std::ostrstream strm(tmp,9);
// strm << (nhist+1) << '\0'<< std::endl;
// histograms.push_back(new TH1F(TString("h")+tmp,TString("cos theta")+tmp,50,-1.0,1.0));
std::ostringstream strm;
strm << ( nhist + 1 );
histograms.push_back(
new TH1F( TString( "h" ) + strm.str().c_str(),
TString( "cos theta" ) + strm.str().c_str(),
50, -1.0, 1.0 ) );
}
histograms[nhist++]->Fill( ctheta );
if ( p->getDaug( 0 )->getNDaug() == 2 ) {
double costhetan = EvtDecayPlaneNormalAngle(
p->getParent()->getP4Lab(), p->getP4Lab(),
p->getDaug( 0 )->getDaug( 0 )->getP4Lab(),
p->getDaug( 0 )->getDaug( 1 )->getP4Lab() );
if ( count == 0 ) {
// char* tmp=new char[10];
// std::ostrstream strm(tmp,9);
// strm << (nhist+1) << '\0'<< std::endl;
// histograms.push_back(new TH1F(TString("h")+tmp,TString("cos thetan")+tmp,50,-1.0,1.0));
std::ostringstream strm;
strm << ( nhist + 1 );
histograms.push_back( new TH1F(
TString( "h" ) + strm.str().c_str(),
TString( "cos theta" ) + strm.str().c_str(), 50,
-1.0, 1.0 ) );
}
histograms[nhist++]->Fill( costhetan );
}
if ( p->getDaug( 1 )->getNDaug() == 2 ) {
double costhetan = EvtDecayPlaneNormalAngle(
p->getParent()->getP4Lab(), p->getP4Lab(),
p->getDaug( 1 )->getDaug( 0 )->getP4Lab(),
p->getDaug( 1 )->getDaug( 1 )->getP4Lab() );
if ( count == 0 ) {
// char* tmp=new char[10];
// std::ostrstream strm(tmp,9);
// strm << (nhist+1) << '\0'<< std::endl;
// histograms.push_back(new TH1F(TString("h")+tmp,TString("cos thetan")+tmp,50,-1.0,1.0));
std::ostringstream strm;
strm << ( nhist + 1 );
histograms.push_back( new TH1F(
TString( "h" ) + strm.str().c_str(),
TString( "cos theta" ) + strm.str().c_str(), 50,
-1.0, 1.0 ) );
}
histograms[nhist++]->Fill( costhetan );
}
}
}
p = p->nextIter( root_part );
} while ( p != 0 );
root_part->deleteTree();
} while ( count++ < nevent );
file->Write();
file->Close();
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << "SUCCESS\n";
}
void runPiPi( int nevent, EvtGen& myGenerator )
{
std::ofstream outmix;
outmix.open( "pipi.dat" );
TFile* file = new TFile( "pipi.root", "RECREATE" );
TH1F* tB0Hist = new TH1F( "h1", "dt in B->pipi with B0 tag", 50, -5.0, 5.0 );
TH1F* tB0BHist = new TH1F( "h2", "dt in B->pipi with B0B tag", 50, -5.0, 5.0 );
TH1F* tB0 = new TH1F( "h3", "t in B->pipi for B0 tag", 25, 0.0, 5.0 );
TH1F* tB0B = new TH1F( "h4", "t in B->pipi for B0B tag", 25, 0.0, 5.0 );
char udecay_name[100];
strcpy( udecay_name, "exampleFiles/PIPI.DEC" );
//EvtGen myGenerator(decay_name,pdttable_name,myRandomEngine);
myGenerator.readUDecay( udecay_name );
EvtParticle *bcp, *btag;
int count = 1;
static EvtId UPS4 = EvtPDL::getId( std::string( "Upsilon(4S)" ) );
static EvtId B0 = EvtPDL::getId( std::string( "B0" ) );
static EvtId B0B = EvtPDL::getId( std::string( "anti-B0" ) );
do {
EvtVector4R p_init( EvtPDL::getMass( UPS4 ), 0.0, 0.0, 0.0 );
EvtParticle* root_part = EvtParticleFactory::particleFactory( UPS4,
p_init );
root_part->setVectorSpinDensity();
myGenerator.generateDecay( root_part );
if ( root_part->getDaug( 0 )->getNDaug() == 3 ) {
btag = root_part->getDaug( 0 );
bcp = root_part->getDaug( 1 );
} else {
bcp = root_part->getDaug( 0 );
btag = root_part->getDaug( 1 );
}
EvtId tag; //cp tag
if ( btag->getId() == B0B ) {
tag = B0;
} else {
tag = B0B;
}
// int a1=bcp->getDaug(0)->getId();
if ( tag == B0 )
tB0Hist->Fill( bcp->getLifetime() - btag->getLifetime() );
if ( tag == B0 )
tB0->Fill( btag->getLifetime() );
if ( tag == B0B )
tB0BHist->Fill( bcp->getLifetime() - btag->getLifetime() );
if ( tag == B0B )
tB0B->Fill( btag->getLifetime() );
outmix << bcp->getLifetime() << " " << btag->getLifetime() << " "
<< tag.getId() << std::endl;
root_part->deleteTree();
} while ( count++ < nevent );
outmix.close();
file->Write();
file->Close();
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << "SUCCESS\n";
}
void runA1Pi( int nevent, EvtGen& myGenerator )
{
std::ofstream outmix;
outmix.open( "a1pi.dat" );
int count = 1;
char udecay_name[100];
strcpy( udecay_name, "exampleFiles/A1PI.DEC" );
myGenerator.readUDecay( udecay_name );
EvtParticle *bcp, *btag;
EvtParticle *a1, *rho0, *pi1, *pi2, *pi3, *pi4;
EvtVector4R p4bcp, p4a1, p4rho0, p4pi1, p4pi2, p4pi3, p4pi4;
static EvtId UPS4 = EvtPDL::getId( std::string( "Upsilon(4S)" ) );
static EvtId B0 = EvtPDL::getId( std::string( "B0" ) );
static EvtId B0B = EvtPDL::getId( std::string( "anti-B0" ) );
do {
EvtVector4R p_init( EvtPDL::getMass( UPS4 ), 0.0, 0.0, 0.0 );
EvtParticle* root_part = EvtParticleFactory::particleFactory( UPS4,
p_init );
root_part->setVectorSpinDensity();
myGenerator.generateDecay( root_part );
if ( root_part->getDaug( 0 )->getNDaug() == 3 ) {
btag = root_part->getDaug( 0 );
bcp = root_part->getDaug( 1 );
} else {
bcp = root_part->getDaug( 0 );
btag = root_part->getDaug( 1 );
}
a1 = bcp->getDaug( 0 );
pi1 = bcp->getDaug( 1 );
rho0 = a1->getDaug( 0 );
pi2 = a1->getDaug( 1 );
pi3 = rho0->getDaug( 0 );
pi4 = rho0->getDaug( 1 );
p4bcp = bcp->getP4Lab();
p4a1 = a1->getP4Lab();
p4pi1 = pi1->getP4Lab();
p4rho0 = rho0->getP4Lab();
p4pi2 = pi2->getP4Lab();
p4pi3 = pi3->getP4Lab();
p4pi4 = pi4->getP4Lab();
EvtId tag; //cp tag
if ( btag->getId() == B0B ) {
tag = B0;
} else {
tag = B0B;
}
outmix << bcp->getLifetime() << " " << btag->getLifetime() << " "
<< EvtDecayAngle( p4bcp, p4rho0 + p4pi2, p4rho0 ) << " "
<< EvtDecayAngle( p4a1, p4pi3 + p4pi4, p4pi3 ) << " "
<< EvtPDL::getStdHep( tag ) << std::endl;
root_part->deleteTree();
} while ( count++ < nevent );
outmix.close();
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << "SUCCESS\n";
}
void runCPTest( int nevent, EvtGen& myGenerator )
{
std::ofstream outmix;
outmix.open( "cptest.dat" );
int count = 1;
static EvtId UPS4 = EvtPDL::getId( std::string( "Upsilon(4S)" ) );
static EvtId B0 = EvtPDL::getId( std::string( "B0" ) );
static EvtId B0B = EvtPDL::getId( std::string( "anti-B0" ) );
char udecay_name[100];
strcpy( udecay_name, "exampleFiles/CPTEST.DEC" );
//EvtGen myGenerator(decay_name,pdttable_name,myRandomEngine);
myGenerator.readUDecay( udecay_name );
EvtParticle *bcp, *btag;
do {
EvtVector4R p_init( EvtPDL::getMass( UPS4 ), 0.0, 0.0, 0.0 );
EvtParticle* root_part = EvtParticleFactory::particleFactory( UPS4,
p_init );
root_part->setVectorSpinDensity();
myGenerator.generateDecay( root_part );
if ( root_part->getDaug( 0 )->getNDaug() == 3 ) {
btag = root_part->getDaug( 0 );
bcp = root_part->getDaug( 1 );
} else {
bcp = root_part->getDaug( 0 );
btag = root_part->getDaug( 1 );
}
EvtId tag; //cp tag
if ( btag->getId() == B0B ) {
tag = B0;
} else {
tag = B0B;
}
outmix << bcp->getLifetime() << " " << btag->getLifetime() << " "
<< tag.getId() << std::endl;
root_part->deleteTree();
} while ( count++ < nevent );
outmix.close();
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << "SUCCESS\n";
}
void runBtoXsgamma( int nevent, EvtGen& myGenerator )
{
static EvtId UPS4 = EvtPDL::getId( std::string( "Upsilon(4S)" ) );
TFile* file = new TFile( "BtoXsgamma.root", "RECREATE" );
int count = 1;
EvtParticle* root_part;
EvtVectorParticle* vector_part;
char udecay_name[100];
strcpy( udecay_name, "exampleFiles/BTOXSGAMMA.DEC" );
myGenerator.readUDecay( udecay_name );
// Plot kinematics for b->s,gamma
int strangeid, antistrangeid;
int Bmulti, bId1a, bId1b, bId2a, bId2b, b1Id, b2Id;
do {
vector_part = new EvtVectorParticle;
EvtVector4R p_init( EvtPDL::getMass( UPS4 ), 0.0, 0.0, 0.0 );
vector_part->init( UPS4, p_init );
root_part = (EvtParticle*)vector_part;
root_part->setVectorSpinDensity();
myGenerator.generateDecay( root_part );
EvtParticle* B1 = root_part->getDaug( 0 );
Bmulti = B1->getNDaug();
if ( Bmulti == 1 )
B1 = B1->getDaug( 0 );
EvtId BId1a = B1->getDaug( 0 )->getId();
bId1a = EvtPDL::getStdHep( BId1a );
EvtId BId1b = B1->getDaug( 1 )->getId();
bId1b = EvtPDL::getStdHep( BId1b );
if ( Bmulti == 1 )
EvtGenReport( EVTGEN_INFO, "EvtGen" )
<< "B1"
<< " bId1a=" << bId1a << " bId1b=" << bId1b
<< " ndaug=" << B1->getNDaug()
<< " Bid=" << EvtPDL::getStdHep( B1->getId() ) << std::endl;
EvtParticle* B2 = root_part->getDaug( 1 );
Bmulti = B2->getNDaug();
if ( Bmulti == 1 )
B2 = B2->getDaug( 0 ); // B has a daughter which is a string
EvtId BId2a = B2->getDaug( 0 )->getId();
bId2a = EvtPDL::getStdHep( BId2a );
EvtId BId2b = B2->getDaug( 1 )->getId();
bId2b = EvtPDL::getStdHep( BId2b );
if ( Bmulti == 1 )
EvtGenReport( EVTGEN_INFO, "EvtGen" )
<< "B2"
<< " bId2a=" << bId2a << " bId2b=" << bId2b
<< " ndaug=" << B2->getNDaug()
<< " Bid=" << EvtPDL::getStdHep( B2->getId() ) << std::endl;
EvtId B1Id = B1->getId();
b1Id = EvtPDL::getStdHep( B1Id );
EvtId B2Id = B2->getId();
b2Id = EvtPDL::getStdHep( B2Id );
strangeid = 0;
antistrangeid = 0;
if ( ( b1Id == 511 ) || ( b1Id == -511 ) || ( b2Id == 511 ) ||
( b2Id == -511 ) ) {
strangeid = 30343;
antistrangeid = -30343;
} else if ( ( b1Id == 521 ) || ( b1Id == -521 ) || ( b2Id == 521 ) ||
( b2Id == -521 ) ) {
strangeid = 30353;
antistrangeid = -30353;
} else if ( ( b1Id == 531 ) || ( b1Id == -531 ) || ( b2Id == 531 ) ||
( b2Id == -531 ) ) {
strangeid = 30363;
antistrangeid = -30363;
}
EvtGenReport( EVTGEN_INFO, "EvtGen" )
<< "bId1a " << bId1a << " bId1b " << bId1b << " bId2a " << bId2a
<< " bId2b " << bId2b << " for event " << count << std::endl;
EvtParticle* Bpeng = 0;
//int bnum=0;
int pengcount = 0;
if ( ( ( bId1a == strangeid ) && ( bId1b == 22 ) ) ||
( ( bId1a == antistrangeid ) && ( bId1b == 22 ) ) ||
( ( bId1b == strangeid ) && ( bId1a == 22 ) ) ||
( ( bId1b == antistrangeid ) && ( bId1a == 22 ) ) ) {
Bpeng = B1;
//bnum=1;
pengcount++;
}
if ( ( ( bId2a == strangeid ) && ( bId2b == 22 ) ) ||
( ( bId2a == antistrangeid ) && ( bId2b == 22 ) ) ||
( ( bId2b == strangeid ) && ( bId2a == 22 ) ) ||
( ( bId2b == antistrangeid ) && ( bId2a == 22 ) ) ) {
Bpeng = B2;
//bnum=2;
pengcount++;
}
if ( pengcount == 0 ) {
Bpeng = B1;
EvtGenReport( EVTGEN_INFO, "EvtGen" )
<< "No penguin decay for event " << count << std::endl;
//bnum=0;
} else if ( pengcount == 2 ) {
Bpeng = B1;
EvtGenReport( EVTGEN_INFO, "EvtGen" )
<< "Two penguin decays in event " << count << std::endl;
//bnum=0;
}
Bmulti = Bpeng->getNDaug();
EvtParticle* Xs = Bpeng->getDaug( 0 );
//EvtParticle *gam = Bpeng->getDaug(1);
//EvtVector4R p4Xs = Xs->getP4Lab();
//EvtId BId = Bpeng->getId();
//EvtId XsId = Xs->getId();
int Xsmulti = Xs->getNDaug();
//EvtId gamId = gam->getId();
//int bId = EvtPDL::getStdHep(BId);
//int XId = EvtPDL::getStdHep(XsId);
//int gId = EvtPDL::getStdHep(gamId);
//float XsMass = p4Xs.mass();
//double gmass = p4gam.mass();
//double genergy = p4gam.get(0);
// debug stuff: EvtGenReport(EVTGEN_INFO,"EvtGen") << "bnum=" << bnum << " pengcount=" << pengcount << " bId=" << bId << " Bmulti=" << Bmulti << " XsId=" << XId << " gId=" << gId << std::endl;
//need to change this to root...I don't have the energy now
//tuple->column("bnum", bnum);
//tuple->column("pengcount", pengcount);
//tuple->column("bId", bId);
//tuple->column("Bmulti", Bmulti);
//tuple->column("XsId", XId);
//tuple->column("gId", gId);
//tuple->column("XsMass", XsMass);
//tuple->column("Xsmulti", Xsmulti, 0,"Xs", HTRange<int>(0,200));
//tuple->column("gmass", gmass);
//tuple->column("genergy", genergy);
//HTValOrderedVector<int> XDaugId, XDaugNephewId;
//HTValOrderedVector<float> XsDaugMass, XsDaugNephewMass;
int nTot( 0 );
for ( int i = 0; i < Xsmulti; i++ ) {
EvtParticle* XsDaug = Xs->getDaug( i );
//EvtVector4R p4XsDaug = XsDaug->getP4Lab();
EvtId XsDaugId = XsDaug->getId();
//XDaugId.push_back(EvtPDL::getStdHep(XsDaugId));
//XsDaugMass.push_back( p4XsDaug.mass());
int Daumulti = XsDaug->getNDaug();
if ( abs( EvtPDL::getStdHep( XsDaugId ) ) == 321 ||
EvtPDL::getStdHep( XsDaugId ) == 310 ||
EvtPDL::getStdHep( XsDaugId ) == 111 ||
abs( EvtPDL::getStdHep( XsDaugId ) ) == 211 || Daumulti == 0 ) {
nTot++;
//EvtVector4R p4XsDaugNephew = XsDaug->getP4Lab();
//EvtId XsDaugNephewId =XsDaug->getId() ;
//XDaugNephewId.push_back(EvtPDL::getStdHep(XsDaugId));
//XsDaugNephewMass.push_back( p4XsDaug.mass());
} else if ( Daumulti != 0 ) {
for ( int k = 0; k < Daumulti; k++ ) {
EvtParticle* XsDaugNephew = XsDaug->getDaug( k );
EvtId XsDaugNephewId = XsDaugNephew->getId();
int Nephmulti = XsDaugNephew->getNDaug();
if ( Nephmulti == 0 ||
abs( EvtPDL::getStdHep( XsDaugNephewId ) ) == 321 ||
EvtPDL::getStdHep( XsDaugNephewId ) == 310 ||
EvtPDL::getStdHep( XsDaugNephewId ) == 111 ||
abs( EvtPDL::getStdHep( XsDaugNephewId ) ) == 211 ) {
nTot++;
//EvtVector4R p4XsDaugNephew = XsDaugNephew->getP4Lab();
//XDaugNephewId.push_back(EvtPDL::getStdHep(XsDaugNephewId));
//XsDaugNephewMass.push_back( p4XsDaugNephew.mass());
} else {
for ( int g = 0; g < Nephmulti; g++ ) {
nTot++;
//EvtParticle *XsDaugNephewNephew = XsDaugNephew->getDaug(g);
//EvtVector4R p4XsDaugNephewNephew = XsDaugNephewNephew->getP4Lab();
//EvtId XsDaugNephewNephewId = XsDaugNephewNephew->getId();
//XDaugNephewId.push_back(EvtPDL::getStdHep(XsDaugNephewNephewId));
//XsDaugNephewMass.push_back( p4XsDaugNephewNephew.mass());
}
}
}
}
}
//tuple->column("XsDaugId", XDaugId,"Xsmulti", 0, "Xs");
//tuple->column("XsDaugMass", XsDaugMass,"Xsmulti", 0, "Xs");
//tuple->column("nTot", nTot, 0,"nTot", HTRange<int>(0,200));
//tuple->column("XsDaugNephewId", XDaugNephewId,"nTot", 0, "nTot");
//tuple->column("XsDaugNephewMass", XsDaugNephewMass,"nTot", 0, "nTot");
//tuple->dumpData();
root_part->deleteTree();
} while ( count++ < nevent );
file->Write();
file->Close();
EvtGenReport( EVTGEN_INFO, "EvtGen" )
<< "End EvtGen. Ran on " << nevent << " events." << std::endl;
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << "SUCCESS\n";
}
void runBtoK1273gamma( int nevent, EvtGen& myGenerator )
{
static EvtId UPS4 = EvtPDL::getId( std::string( "Upsilon(4S)" ) );
TFile* file = new TFile( "BtoK1273gamma.root", "RECREATE" );
//HepTuple *tuple = hfile.ntuple("BtoK1273gamma", 1);
int count = 1;
EvtParticle* root_part;
EvtVectorParticle* vector_part;
char udecay_name[100];
strcpy( udecay_name, "exampleFiles/BTOK1273GAMMA.DEC" );
myGenerator.readUDecay( udecay_name );
// Plot kinematics for b->s,gamma
int strangeid, antistrangeid;
int Bmulti, bId1a, bId1b, bId2a, bId2b, b1Id, b2Id;
do {
vector_part = new EvtVectorParticle;
EvtVector4R p_init( EvtPDL::getMass( UPS4 ), 0.0, 0.0, 0.0 );
vector_part->init( UPS4, p_init );
root_part = (EvtParticle*)vector_part;
root_part->setVectorSpinDensity();
myGenerator.generateDecay( root_part );
EvtParticle* B1 = root_part->getDaug( 0 );
Bmulti = B1->getNDaug();
if ( Bmulti == 1 )
B1 = B1->getDaug( 0 );
EvtId BId1a = B1->getDaug( 0 )->getId();
bId1a = EvtPDL::getStdHep( BId1a );
EvtId BId1b = B1->getDaug( 1 )->getId();
bId1b = EvtPDL::getStdHep( BId1b );
if ( Bmulti == 1 )
EvtGenReport( EVTGEN_INFO, "EvtGen" )
<< "B1"
<< " bId1a=" << bId1a << " bId1b=" << bId1b
<< " ndaug=" << B1->getNDaug()
<< " Bid=" << EvtPDL::getStdHep( B1->getId() ) << std::endl;
EvtParticle* B2 = root_part->getDaug( 1 );
Bmulti = B2->getNDaug();
if ( Bmulti == 1 )
B2 = B2->getDaug( 0 ); // B has a daughter which is a string
EvtId BId2a = B2->getDaug( 0 )->getId();
bId2a = EvtPDL::getStdHep( BId2a );
EvtId BId2b = B2->getDaug( 1 )->getId();
bId2b = EvtPDL::getStdHep( BId2b );
if ( Bmulti == 1 )
EvtGenReport( EVTGEN_INFO, "EvtGen" )
<< "B2"
<< " bId2a=" << bId2a << " bId2b=" << bId2b
<< " ndaug=" << B2->getNDaug()
<< " Bid=" << EvtPDL::getStdHep( B2->getId() ) << std::endl;
EvtId B1Id = B1->getId();
b1Id = EvtPDL::getStdHep( B1Id );
EvtId B2Id = B2->getId();
b2Id = EvtPDL::getStdHep( B2Id );
strangeid = 0;
antistrangeid = 0;
if ( ( b1Id == 511 ) || ( b1Id == -511 ) || ( b2Id == 511 ) ||
( b2Id == -511 ) ) {
strangeid = 10313;
antistrangeid = -10313;
} else if ( ( b1Id == 521 ) || ( b1Id == -521 ) || ( b2Id == 521 ) ||
( b2Id == -521 ) ) {
strangeid = 10323;
antistrangeid = -10323;
}
EvtGenReport( EVTGEN_INFO, "EvtGen" )
<< "bId1a " << bId1a << " bId1b " << bId1b << " bId2a " << bId2a
<< " bId2b " << bId2b << " for event " << count << std::endl;
EvtParticle* Bpeng = 0;
//int bnum=0;
int pengcount = 0;
if ( ( ( bId1a == strangeid ) && ( bId1b == 22 ) ) ||
( ( bId1a == antistrangeid ) && ( bId1b == 22 ) ) ||
( ( bId1b == strangeid ) && ( bId1a == 22 ) ) ||
( ( bId1b == antistrangeid ) && ( bId1a == 22 ) ) ) {
Bpeng = B1;
//bnum=1;
pengcount++;
}
if ( ( ( bId2a == strangeid ) && ( bId2b == 22 ) ) ||
( ( bId2a == antistrangeid ) && ( bId2b == 22 ) ) ||
( ( bId2b == strangeid ) && ( bId2a == 22 ) ) ||
( ( bId2b == antistrangeid ) && ( bId2a == 22 ) ) ) {
Bpeng = B2;
//bnum=2;
pengcount++;
}
if ( pengcount == 0 ) {
Bpeng = B1;
EvtGenReport( EVTGEN_INFO, "EvtGen" )
<< "No penguin decay for event " << count << std::endl;
//bnum=0;
} else if ( pengcount == 2 ) {
Bpeng = B1;
EvtGenReport( EVTGEN_INFO, "EvtGen" )
<< "Two penguin decays in event " << count << std::endl;
//bnum=0;
}
Bmulti = Bpeng->getNDaug();
//EvtParticle *Ks = Bpeng->getDaug(0);
//EvtParticle *gam = Bpeng->getDaug(1);
//EvtVector4R p4Ks = Ks->getP4Lab();
//const EvtVector4R& p4gam = gam->getP4(); // gamma 4-mom in parent's rest frame
//EvtId BId = Bpeng->getId();
//EvtId KsId = Ks->getId();
//int Ksmulti = Ks->getNDaug();
//EvtId gamId = gam->getId();
//int bId = EvtPDL::getStdHep(BId);
//int XId = EvtPDL::getStdHep(KsId);
//int gId = EvtPDL::getStdHep(gamId);
//double KsMass = p4Ks.mass();
//double gmass = p4gam.mass();
//double genergy = p4gam.get(0);
// debug stuff: EvtGenReport(EVTGEN_INFO,"EvtGen") << "bnum=" << bnum << " pengcount=" << pengcount << " bId=" << bId << " Bmulti=" << Bmulti << " KsId=" << XId << " gId=" << gId << std::endl;
//tuple->column("bnum", bnum);
//tuple->column("pengcount", pengcount);
//tuple->column("bId", bId);
//tuple->column("Bmulti", Bmulti);
//tuple->column("KsId", XId);
//tuple->column("gId", gId);
//tuple->column("KsMass", KsMass);
//tuple->column("Ksmulti", Ksmulti);
//tuple->column("gmass", gmass);
//tuple->column("genergy", genergy);
//for(int i=0;i<Ksmulti;i++){
//EvtParticle *KsDaug = Ks->getDaug(i);
//EvtVector4R p4KsDaug = KsDaug->getP4Lab();
//EvtId KsDaugId = KsDaug->getId();
//int XDaugId = EvtPDL::getStdHep(KsDaugId);
//double KsDaugMass = p4KsDaug.mass();
//tuple->column("KsDaugId", XDaugId);
//tuple->column("KsDaugMass", KsDaugMass);
//}
//tuple->dumpData();
root_part->deleteTree();
} while ( count++ < nevent );
file->Write();
file->Close();
EvtGenReport( EVTGEN_INFO, "EvtGen" )
<< "End EvtGen. Ran on " << nevent << " events." << std::endl;
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << "SUCCESS\n";
}
void runCheckRotBoost()
{
EvtDiracSpinor sp1, sp2;
//Generate ryd/lange random spinors.
sp1.set( EvtComplex( 1.0, -2.0 ), EvtComplex( 3.0, 1.0 ),
EvtComplex( -4.5, 0.5 ), EvtComplex( 0.2, -0.5 ) );
sp2.set( EvtComplex( 0.1, -1.0 ), EvtComplex( 1.2, -0.5 ),
EvtComplex( 3.6, 1.8 ), EvtComplex( -0.2, -0.6 ) );
EvtComplex s = EvtLeptonSCurrent( sp1, sp2 );
EvtComplex p = EvtLeptonPCurrent( sp1, sp2 );
EvtVector4C a = EvtLeptonACurrent( sp1, sp2 );
EvtVector4C v = EvtLeptonVCurrent( sp1, sp2 );
EvtVector4C va = EvtLeptonVACurrent( sp1, sp2 );
EvtTensor4C t = EvtLeptonTCurrent( sp1, sp2 );
//start with boosts...
EvtVector4R ranBoost( 2.0, 0.4, -0.8, 0.3 );
EvtDiracSpinor sp1Boost = boostTo( sp1, ranBoost );
EvtDiracSpinor sp2Boost = boostTo( sp2, ranBoost );
EvtComplex sBoost = EvtLeptonSCurrent( sp1Boost, sp2Boost );
EvtComplex pBoost = EvtLeptonPCurrent( sp1Boost, sp2Boost );
EvtVector4C aBoost = EvtLeptonACurrent( sp1Boost, sp2Boost );
EvtVector4C vBoost = EvtLeptonVCurrent( sp1Boost, sp2Boost );
EvtVector4C vaBoost = EvtLeptonVACurrent( sp1Boost, sp2Boost );
EvtTensor4C tBoost = EvtLeptonTCurrent( sp1Boost, sp2Boost );
EvtVector4C aDirBoost = boostTo( a, ranBoost );
EvtVector4C vDirBoost = boostTo( v, ranBoost );
EvtVector4C vaDirBoost = boostTo( va, ranBoost );
EvtTensor4C tDirBoost( t );
tDirBoost.applyBoostTo( ranBoost );
EvtGenReport( EVTGEN_INFO, "EvtGen" )
<< "Comparing after doing a random boost" << std::endl;
EvtGenReport( EVTGEN_INFO, "EvtGen" )
<< "Scalar " << s << " " << sBoost << s - sBoost << std::endl;
EvtGenReport( EVTGEN_INFO, "EvtGen" )
<< "PseudoScalar " << p << " " << pBoost << p - pBoost << std::endl;
EvtGenReport( EVTGEN_INFO, "EvtGen" )
<< "AxialVector " << aDirBoost << " " << aBoost << aDirBoost - aBoost
<< std::endl;
EvtGenReport( EVTGEN_INFO, "EvtGen" )
<< "Vector " << vDirBoost << " " << vBoost << vDirBoost - vBoost
<< std::endl;
EvtGenReport( EVTGEN_INFO, "EvtGen" )
<< "V-A " << vaDirBoost << " " << vaBoost << vaDirBoost - vaBoost
<< std::endl;
EvtGenReport( EVTGEN_INFO, "EvtGen" )
<< "Tensor " << tDirBoost << " " << tBoost << tDirBoost - tBoost
<< std::endl;
EvtGenReport( EVTGEN_INFO, "EvtGen" )
<< "Done comparing after doing a random boost" << std::endl;
//Now do rotations...
//start with boosts...
double alpha = 0.4;
double beta = -0.61;
double gamma = 3.0;
EvtDiracSpinor sp1Rot = rotateEuler( sp1, alpha, beta, gamma );
EvtDiracSpinor sp2Rot = rotateEuler( sp2, alpha, beta, gamma );
EvtComplex sRot = EvtLeptonSCurrent( sp1Rot, sp2Rot );
EvtComplex pRot = EvtLeptonPCurrent( sp1Rot, sp2Rot );
EvtVector4C aRot = EvtLeptonACurrent( sp1Rot, sp2Rot );
EvtVector4C vRot = EvtLeptonVCurrent( sp1Rot, sp2Rot );
EvtVector4C vaRot = EvtLeptonVACurrent( sp1Rot, sp2Rot );
EvtTensor4C tRot = EvtLeptonTCurrent( sp1Rot, sp2Rot );
EvtVector4C aDirRot( a );
EvtVector4C vDirRot( v );
EvtVector4C vaDirRot( va );
EvtTensor4C tDirRot( t );
aDirRot.applyRotateEuler( alpha, beta, gamma );
vDirRot.applyRotateEuler( alpha, beta, gamma );
vaDirRot.applyRotateEuler( alpha, beta, gamma );
tDirRot.applyRotateEuler( alpha, beta, gamma );
EvtGenReport( EVTGEN_INFO, "EvtGen" )
<< "Comparing after doing a random rotation" << std::endl;
EvtGenReport( EVTGEN_INFO, "EvtGen" )
<< "Scalar " << s << " " << sRot << s - sRot << std::endl;
EvtGenReport( EVTGEN_INFO, "EvtGen" )
<< "PseudoScalar " << p << " " << pRot << p - pRot << std::endl;
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << "AxialVector " << aDirRot << " "
<< aRot << aDirRot - aRot << std::endl;
EvtGenReport( EVTGEN_INFO, "EvtGen" )
<< "Vector " << vDirRot << " " << vRot << vDirRot - vRot << std::endl;
EvtGenReport( EVTGEN_INFO, "EvtGen" )
<< "V-A " << vaDirRot << " " << vaRot << vaDirRot - vaRot << std::endl;
EvtGenReport( EVTGEN_INFO, "EvtGen" )
<< "Tensor " << tDirRot << " " << tRot << tDirRot - tRot << std::endl;
EvtGenReport( EVTGEN_INFO, "EvtGen" )
<< "Done comparing after doing a random rotation" << std::endl;
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << "SUCCESS\n";
}
int countInclusive( std::string name, EvtParticle* root_part, TH1F* mom,
TH1F* mass )
{
EvtParticle* p = root_part;
int temp = 0;
EvtId searchFor = EvtPDL::getId( name );
do {
EvtId type = p->getId();
if ( type == searchFor ) {
temp += 1;
if ( mom )
mom->Fill( p->getP4Lab().d3mag() );
if ( mass )
mass->Fill( p->mass() );
//if ( theBs.contains(p->getParent()->getId()) ) {
//dirPsimom->Fill(p->getP4Lab().d3mag());
//}
//EvtGenReport(EVTGEN_INFO,"EvtGen") << "LANGE " << p->getP4Lab().d3mag() << " " << p->getP4Lab().get(3)/p->getP4Lab().d3mag() << std::endl;
}
p = p->nextIter( root_part );
} while ( p != 0 );
return temp;
}
int countInclusiveSubTree( std::string name, EvtParticle* root_part,
EvtIdSet setIds, TH1F* /*mom*/ )
{
int temp = 0;
EvtParticle* p = root_part;
do {
if ( setIds.contains( p->getId() ) ) {
temp += countInclusive( name, p );
}
//p->printTree();
p = p->nextIter( root_part );
} while ( p != 0 );
//EvtGenReport(EVTGEN_INFO,"EvtGen") << "done"<<std::endl;
return temp;
}
int countInclusiveParent( std::string name, EvtParticle* root_part,
EvtIdSet setIds, TH1F* mom )
{
EvtParticle* p = root_part;
int temp = 0;
EvtId searchFor = EvtPDL::getId( name );
do {
EvtId type = p->getId();
if ( type == searchFor ) {
if ( p->getParent() ) {
if ( setIds.contains( p->getParent()->getId() ) ) {
temp += 1;
if ( mom )
mom->Fill( p->getP4Lab().d3mag() );
}
}
}
p = p->nextIter( root_part );
} while ( p != 0 );
return temp;
}
void runBMix( int nevent, EvtGen& myGenerator, std::string userFile,
std::string rootFile )
{
TFile* file = new TFile( rootFile.c_str(), "RECREATE" );
TH1F* b0_b0 = new TH1F( "h1", "dt B0-B0", 100, -15.0, 15.0 );
TH1F* b0b_b0b = new TH1F( "h2", "dt B0B-B0B", 100, -15.0, 15.0 );
TH1F* b0b_b0 = new TH1F( "h3", "dt B0B-B0", 100, -15.0, 15.0 );
TH1F* b0_b0b = new TH1F( "h4", "dt B0-B0B", 100, -15.0, 15.0 );
int count = 1;
myGenerator.readUDecay( userFile.c_str() );
EvtId b0 = EvtPDL::getId( "B0" );
EvtId b0b = EvtPDL::getId( "anti-B0" );
static EvtId UPS4 = EvtPDL::getId( std::string( "Upsilon(4S)" ) );
std::ofstream outmix;
TString outFileName( rootFile.c_str() );
outFileName.ReplaceAll( ".root", ".dat" );
outmix.open( outFileName.Data() );
do {
EvtVector4R p_init( EvtPDL::getMass( UPS4 ), 0.0, 0.0, 0.0 );
EvtParticle* root_part = EvtParticleFactory::particleFactory( UPS4,
p_init );
root_part->setVectorSpinDensity();
myGenerator.generateDecay( root_part );
EvtId id1 = root_part->getDaug( 0 )->getId();
EvtId id2 = root_part->getDaug( 1 )->getId();
double t1 = root_part->getDaug( 0 )->getLifetime();
double t2 = root_part->getDaug( 1 )->getLifetime();
double dt = ( t1 - t2 ) / ( 1e-12 * 3e11 );
if ( id1 == b0 && id2 == b0 ) {
b0_b0->Fill( dt );
outmix << dt << " 1" << std::endl;
}
if ( id1 == b0b && id2 == b0b ) {
b0b_b0b->Fill( dt );
outmix << dt << " 2" << std::endl;
}
if ( id1 == b0b && id2 == b0 ) {
b0b_b0->Fill( dt );
outmix << dt << " 0" << std::endl;
}
if ( id1 == b0 && id2 == b0b ) {
b0_b0b->Fill( dt );
outmix << dt << " 0" << std::endl;
}
root_part->deleteTree();
} while ( count++ < nevent );
file->Write();
file->Close();
outmix.close();
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << "SUCCESS\n";
}
void runDDalitz( int nevent, EvtGen& myGenerator )
{
TFile* file = new TFile( "ddalitz.root", "RECREATE" );
TH2F* dalitz = new TH2F( "h1", "m^2!?[K-[p]+! vs m^2!?[K-[p]0!", 70, 0.0,
3.5, 70, 0.0, 3.5 );
TH2F* dalitz2 = new TH2F( "h5", "m^2!([p]^-![p]^0!) vs m^2!([K-[p]+!", 100,
0.0, 3.5, 100, 0.0, 2.0 );
TH1F* m12 = new TH1F( "h2", "m?[K-[p]+!", 100, 0.0, 3.0 );
TH1F* m13 = new TH1F( "h3", "m?[K-[p]0!", 100, 0.0, 3.0 );
TH1F* m23 = new TH1F( "h4", "m?[[p]+[p]0!", 100, 0.0, 2.0 );
int count;
myGenerator.readUDecay( "exampleFiles/DDALITZ.DEC" );
count = 1;
static EvtId D0 = EvtPDL::getId( std::string( "D0" ) );
std::ofstream outmix;
outmix.open( "ddalitz.dat" );
do {
EvtVector4R p_init( EvtPDL::getMass( D0 ), 0.0, 0.0, 0.0 );
EvtParticle* root_part = EvtParticleFactory::particleFactory( D0, p_init );
root_part->setDiagonalSpinDensity();
myGenerator.generateDecay( root_part );
EvtVector4R p1 = root_part->getDaug( 0 )->getP4Lab();
EvtVector4R p2 = root_part->getDaug( 1 )->getP4Lab();
EvtVector4R p3 = root_part->getDaug( 2 )->getP4Lab();
dalitz->Fill( ( p1 + p2 ).mass2(), ( p1 + p3 ).mass2(), 1.0 );
dalitz2->Fill( ( p1 + p2 ).mass2(), ( p2 + p3 ).mass2(), 1.0 );
m12->Fill( ( p1 + p2 ).mass2() );
m13->Fill( ( p1 + p3 ).mass2() );
m23->Fill( ( p2 + p3 ).mass2() );
outmix << ( p1 + p2 ).mass2() << " " << ( p2 + p3 ).mass2() << " "
<< ( p1 + p3 ).mass2() << std::endl;
root_part->deleteTree();
if ( count == nevent - 1 ) {
std::ofstream testi( "testi.dat" );
double val = m12->GetMean();
double errval = m12->GetMeanError();
testi << "evtgenlhc_test1 1 " << val << " " << errval
<< std::endl;
val = m23->GetMean();
errval = m23->GetMeanError();
testi << "evtgenlhc_test1 2 " << val << " " << errval
<< std::endl;
}
} while ( count++ < nevent );
file->Write();
file->Close();
outmix.close();
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << "SUCCESS\n";
}
void runPiPiPi( int nevent, EvtGen& myGenerator )
{
std::ofstream outmix;
outmix.open( "pipipi.dat" );
int count;
EvtVector4R p4pip, p4pim, p4pi0;
myGenerator.readUDecay( "exampleFiles/PIPIPI.DEC" );
count = 1;
static EvtId UPS4 = EvtPDL::getId( std::string( "Upsilon(4S)" ) );
do {
EvtVector4R p_init( EvtPDL::getMass( UPS4 ), 0.0, 0.0, 0.0 );
EvtParticle* root_part = EvtParticleFactory::particleFactory( UPS4,
p_init );
root_part->setVectorSpinDensity();
myGenerator.generateDecay( root_part );
p4pip = root_part->getDaug( 0 )->getDaug( 0 )->getP4Lab();
p4pim = root_part->getDaug( 0 )->getDaug( 1 )->getP4Lab();
p4pi0 = root_part->getDaug( 0 )->getDaug( 2 )->getP4Lab();
outmix << root_part->getDaug( 0 )->getLifetime() << " "
<< root_part->getDaug( 1 )->getLifetime() << " ";
outmix << ( p4pip + p4pim ).mass2() << " " << ( p4pip + p4pi0 ).mass2()
<< std::endl;
root_part->deleteTree();
} while ( count++ < nevent );
outmix.close();
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << "SUCCESS\n";
}
void runBHadronic( int nevent, EvtGen& myGenerator )
{
std::ofstream outmix;
outmix.open( "bhadronic.dat" );
int count;
myGenerator.readUDecay( "exampleFiles/BHADRONIC.DEC" );
static EvtId B0 = EvtPDL::getId( std::string( "B0" ) );
count = 1;
do {
EvtVector4R p_init( EvtPDL::getMass( B0 ), 0.0, 0.0, 0.0 );
EvtParticle* root_part = EvtParticleFactory::particleFactory( B0, p_init );
root_part->setDiagonalSpinDensity();
myGenerator.generateDecay( root_part );
EvtParticle* p;
// root_part->printTree();
p = root_part;
do {
outmix << p->getId().getId() << " " << p->getP4Lab().d3mag()
<< std::endl;
p = p->nextIter();
} while ( p != 0 );
root_part->deleteTree();
} while ( count++ < nevent );
outmix.close();
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << "SUCCESS\n";
}
void runSingleB( int nevent, EvtGen& myGenerator )
{
int count;
static EvtId B0 = EvtPDL::getId( std::string( "B0" ) );
count = 1;
do {
EvtVector4R p_init( EvtPDL::getMass( B0 ), 0.0, 0.0, 0.0 );
EvtParticle* root_part = EvtParticleFactory::particleFactory( B0, p_init );
root_part->setDiagonalSpinDensity();
myGenerator.generateDecay( root_part );
root_part->deleteTree();
} while ( count++ < nevent );
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << "SUCCESS\n";
}
void runPiPiPiPi( int nevent, EvtGen& myGenerator )
{
std::ofstream outmix;
outmix.open( "pipipipi.dat" );
int count;
EvtVector4R p4pi1, p4pi2, p4pi3, p4pi4;
myGenerator.readUDecay( "exampleFiles/PIPIPIPI.DEC" );
count = 1;
EvtParticle *bcp, *btag;
static EvtId UPS4 = EvtPDL::getId( std::string( "Upsilon(4S)" ) );
static EvtId B0 = EvtPDL::getId( std::string( "B0" ) );
static EvtId B0B = EvtPDL::getId( std::string( "anti-B0" ) );
do {
EvtVector4R p_init( EvtPDL::getMass( UPS4 ), 0.0, 0.0, 0.0 );
EvtParticle* root_part = EvtParticleFactory::particleFactory( UPS4,
p_init );
root_part->setVectorSpinDensity();
myGenerator.generateDecay( root_part );
if ( root_part->getDaug( 0 )->getNDaug() == 3 ) {
btag = root_part->getDaug( 0 );
bcp = root_part->getDaug( 1 );
} else {
bcp = root_part->getDaug( 0 );
btag = root_part->getDaug( 1 );
}
EvtId tag; //cp tag
if ( btag->getId() == B0B ) {
tag = B0;
} else {
tag = B0B;
}
p4pi1 = bcp->getDaug( 0 )->getP4Lab();
p4pi2 = bcp->getDaug( 1 )->getP4Lab();
p4pi3 = bcp->getDaug( 2 )->getP4Lab();
p4pi4 = bcp->getDaug( 3 )->getP4Lab();
EvtVector4R p4bcp, p4rho0, p4a2;
p4rho0 = p4pi1 + p4pi2;
p4a2 = p4rho0 + p4pi3;
p4bcp = p4a2 + p4pi4;
outmix << bcp->getLifetime() << " " << btag->getLifetime() << " "
<< tag.getId() << " " << ( p4pi1 + p4pi2 + p4pi3 ).mass() << " "
<< ( p4pi1 + p4pi2 ).mass() << " "
<< EvtDecayAngle( p4bcp, p4rho0 + p4pi3, p4rho0 ) << " "
<< EvtDecayAngle( p4a2, p4pi1 + p4pi2, p4pi1 ) << std::endl;
root_part->deleteTree();
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << "count:" << count << std::endl;
} while ( count++ < nevent );
outmix.close();
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << "SUCCESS\n";
}
void runA2Pi( int nevent, EvtGen& myGenerator )
{
std::ofstream outmix;
outmix.open( "a2pi.dat" );
int count;
myGenerator.readUDecay( "exampleFiles/A2PI.DEC" );
EvtParticle *bcp, *btag;
EvtParticle *a2, *rho0, *pi1, *pi2, *pi3, *pi4;
EvtVector4R p4bcp, p4a2, p4rho0, p4pi1, p4pi2, p4pi3, p4pi4;
count = 1;
static EvtId UPS4 = EvtPDL::getId( std::string( "Upsilon(4S)" ) );
static EvtId B0 = EvtPDL::getId( std::string( "B0" ) );
static EvtId B0B = EvtPDL::getId( std::string( "anti-B0" ) );
do {
EvtVector4R p_init( EvtPDL::getMass( UPS4 ), 0.0, 0.0, 0.0 );
EvtParticle* root_part = EvtParticleFactory::particleFactory( UPS4,
p_init );
root_part->setVectorSpinDensity();
myGenerator.generateDecay( root_part );
if ( root_part->getDaug( 0 )->getNDaug() == 3 ) {
btag = root_part->getDaug( 0 );
bcp = root_part->getDaug( 1 );
} else {
bcp = root_part->getDaug( 0 );
btag = root_part->getDaug( 1 );
}
a2 = bcp->getDaug( 0 );
pi1 = bcp->getDaug( 1 );
rho0 = a2->getDaug( 0 );
pi2 = a2->getDaug( 1 );
pi3 = rho0->getDaug( 0 );
pi4 = rho0->getDaug( 1 );
p4bcp = bcp->getP4Lab();
p4a2 = a2->getP4Lab();
p4pi1 = pi1->getP4Lab();
p4rho0 = rho0->getP4Lab();
p4pi2 = pi2->getP4Lab();
p4pi3 = pi3->getP4Lab();
p4pi4 = pi4->getP4Lab();
EvtId tag; //cp tag
if ( btag->getId() == B0B ) {
tag = B0;
} else {
tag = B0B;
}
outmix << bcp->getLifetime() << " " << btag->getLifetime() << " "
<< EvtDecayAngle( p4bcp, p4rho0 + p4pi2, p4rho0 ) << " "
<< EvtDecayAngle( p4a2, p4pi3 + p4pi4, p4pi3 ) << " "
<< EvtPDL::getStdHep( tag ) << std::endl;
root_part->deleteTree();
} while ( count++ < nevent );
outmix.close();
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << "SUCCESS\n";
}
void runHelAmp( int nevent, EvtGen& myGenerator, std::string userFile,
std::string rootFile )
{
TFile* file = new TFile( rootFile.c_str(), "RECREATE" );
TH1F* costheta = new TH1F( "h1", "costheta", 100, -1.0, 1.0 );
TH1F* costheta2 = new TH1F( "h2", "costheta2", 100, -1.0, 1.0 );
int count;
myGenerator.readUDecay( userFile.c_str() );
count = 1;
static EvtId UPS4 = EvtPDL::getId( std::string( "Upsilon(4S)" ) );
do {
EvtVector4R p_init( EvtPDL::getMass( UPS4 ), 0.0, 0.0, 0.0 );
EvtParticle* root_part = EvtParticleFactory::particleFactory( UPS4,
p_init );
root_part->setVectorSpinDensity();
myGenerator.generateDecay( root_part );
EvtVector4R d14 = root_part->getDaug( 0 )->getP4Lab();
double c = d14.get( 3 ) / d14.d3mag();
costheta->Fill( c );
EvtVector4R p = root_part->getP4Lab();
EvtVector4R q = root_part->getDaug( 0 )->getP4Lab();
EvtVector4R d = root_part->getDaug( 0 )->getDaug( 0 )->getP4Lab();
costheta2->Fill( EvtDecayAngle( p, q, d ) );
root_part->deleteTree();
} while ( count++ < nevent );
file->Write();
file->Close();
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << "SUCCESS\n";
}
void runHelAmp2( int nevent, EvtGen& myGenerator )
{
TFile* file = new TFile( "helamp2.root", "RECREATE" );
TH1F* costheta = new TH1F( "h1", "costheta", 100, -1.0, 1.0 );
int count;
myGenerator.readUDecay( "exampleFiles/HELAMP2.DEC" );
count = 1;
static EvtId UPS4 = EvtPDL::getId( std::string( "Upsilon(4S)" ) );
do {
EvtVector4R p_init( EvtPDL::getMass( UPS4 ), 0.0, 0.0, 0.0 );
EvtParticle* root_part = EvtParticleFactory::particleFactory( UPS4,
p_init );
root_part->setVectorSpinDensity();
myGenerator.generateDecay( root_part );
EvtVector4R p = root_part->getDaug( 0 )->getDaug( 0 )->getP4Lab();
EvtVector4R q =
root_part->getDaug( 0 )->getDaug( 0 )->getDaug( 0 )->getP4Lab();
EvtVector4R d = root_part->getDaug( 0 )
->getDaug( 0 )
->getDaug( 0 )
->getDaug( 0 )
->getP4Lab();
costheta->Fill( EvtDecayAngle( p, q, d ) );
root_part->deleteTree();
} while ( count++ < nevent );
file->Write();
file->Close();
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << "SUCCESS\n";
}
void runD2Pi( int nevent, EvtGen& myGenerator )
{
TFile* file = new TFile( "d2pi.root", "RECREATE" );
TH1F* cospi = new TH1F( "h1", "cos[Q]?[p]!", 50, -1.0, 1.0 );
TH1F* ptpi = new TH1F( "h2", "Pt of pion", 50, 0.0, 1.5 );
TH1F* ppi = new TH1F( "h3", "P?[p]! in [Y](4S) rest frame", 50, 0.0, 1.5 );
int count;
myGenerator.readUDecay( "exampleFiles/D2PI.DEC" );
EvtParticle* b;
EvtParticle *d2, *pi;
EvtVector4R p4b, p4d2, p4pi;
count = 1;
static EvtId UPS4 = EvtPDL::getId( std::string( "Upsilon(4S)" ) );
do {
EvtVector4R p_init( EvtPDL::getMass( UPS4 ), 0.0, 0.0, 0.0 );
EvtParticle* root_part = EvtParticleFactory::particleFactory( UPS4,
p_init );
root_part->setVectorSpinDensity();
myGenerator.generateDecay( root_part );
b = root_part->getDaug( 0 );
d2 = b->getDaug( 0 );
pi = d2->getDaug( 1 );
p4b = b->getP4Lab();
p4d2 = d2->getP4Lab();
p4pi = pi->getP4Lab();
cospi->Fill( EvtDecayAngle( p4b, p4d2, p4pi ) );
ptpi->Fill( sqrt( p4pi.get( 2 ) * p4pi.get( 2 ) +
p4pi.get( 3 ) * p4pi.get( 3 ) ) );
ppi->Fill( p4pi.d3mag() );
root_part->deleteTree();
} while ( count++ < nevent );
file->Write();
file->Close();
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << "SUCCESS\n";
}
void runPiPiCPT( int nevent, EvtGen& myGenerator )
{
std::ofstream outmix;
outmix.open( "pipicpt.dat" );
int count;
myGenerator.readUDecay( "exampleFiles/PIPICPT.DEC" );
EvtParticle *bcp, *btag;
count = 1;
static EvtId UPS4 = EvtPDL::getId( std::string( "Upsilon(4S)" ) );
static EvtId B0 = EvtPDL::getId( std::string( "B0" ) );
static EvtId B0B = EvtPDL::getId( std::string( "anti-B0" ) );
do {
EvtVector4R p_init( EvtPDL::getMass( UPS4 ), 0.0, 0.0, 0.0 );
EvtParticle* root_part = EvtParticleFactory::particleFactory( UPS4,
p_init );
root_part->setVectorSpinDensity();
myGenerator.generateDecay( root_part );
if ( root_part->getDaug( 0 )->getNDaug() == 3 ) {
btag = root_part->getDaug( 0 );
bcp = root_part->getDaug( 1 );
} else {
bcp = root_part->getDaug( 0 );
btag = root_part->getDaug( 1 );
}
EvtId tag; //cp tag
if ( btag->getId() == B0B ) {
tag = B0;
} else {
tag = B0B;
}
outmix << bcp->getLifetime() << " " << btag->getLifetime() << " "
<< tag.getId() << std::endl;
root_part->deleteTree();
} while ( count++ < nevent );
outmix.close();
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << "SUCCESS\n";
}
void runJpsiKs( int nevent, EvtGen& myGenerator )
{
std::ofstream outmix;
outmix.open( "jpsiks.dat" );
int count;
myGenerator.readUDecay( "exampleFiles/JPSIKS.DEC" );
EvtParticle *bcp, *btag;
count = 1;
static EvtId UPS4 = EvtPDL::getId( std::string( "Upsilon(4S)" ) );
static EvtId B0 = EvtPDL::getId( std::string( "B0" ) );
static EvtId B0B = EvtPDL::getId( std::string( "anti-B0" ) );
do {
EvtVector4R p_init( EvtPDL::getMass( UPS4 ), 0.0, 0.0, 0.0 );
EvtParticle* root_part = EvtParticleFactory::particleFactory( UPS4,
p_init );
root_part->setVectorSpinDensity();
myGenerator.generateDecay( root_part );
if ( root_part->getDaug( 0 )->getNDaug() == 3 ) {
btag = root_part->getDaug( 0 );
bcp = root_part->getDaug( 1 );
} else {
bcp = root_part->getDaug( 0 );
btag = root_part->getDaug( 1 );
}
EvtId tag; //cp tag
if ( btag->getId() == B0B ) {
tag = B0;
} else {
tag = B0B;
}
outmix << bcp->getLifetime() << " " << btag->getLifetime() << " "
<< tag.getId() << std::endl;
root_part->deleteTree();
} while ( count++ < nevent );
outmix.close();
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << "SUCCESS\n";
}
void runDump( int nevent, EvtGen& myGenerator )
{
int count;
std::ofstream outmix;
outmix.open( "dump.dat" );
EvtParticle* p;
myGenerator.readUDecay( "exampleFiles/DUMP.DEC" );
count = 1;
static EvtId UPS4 = EvtPDL::getId( std::string( "Upsilon(4S)" ) );
static EvtId PIP = EvtPDL::getId( std::string( "pi+" ) );
static EvtId PIM = EvtPDL::getId( std::string( "pi-" ) );
static EvtId EP = EvtPDL::getId( std::string( "e+" ) );
static EvtId KP = EvtPDL::getId( std::string( "K+" ) );
static EvtId MUP = EvtPDL::getId( std::string( "mu+" ) );
static EvtId EM = EvtPDL::getId( std::string( "e-" ) );
static EvtId KM = EvtPDL::getId( std::string( "K-" ) );
static EvtId MUM = EvtPDL::getId( std::string( "mu-" ) );
static EvtId GAMM = EvtPDL::getId( std::string( "gamma" ) );
static EvtId K0L = EvtPDL::getId( std::string( "K_L0" ) );
do {
if ( count == 100 * ( count / 100 ) ) {
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << count << std::endl;
}
EvtVector4R p_init( EvtPDL::getMass( UPS4 ), 0.0, 0.0, 0.0 );
EvtParticle* root_part = EvtParticleFactory::particleFactory( UPS4,
p_init );
root_part->setVectorSpinDensity();
myGenerator.generateDecay( root_part );
p = root_part;
EvtParticle* otherb = root_part->getDaug( 1 );
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << "Event:" << count << std::endl;
root_part->printTree();
outmix << "B"
<< " " << otherb->getP4Lab().get( 0 ) << " "
<< otherb->getP4Lab().get( 1 ) << " "
<< otherb->getP4Lab().get( 2 ) << " "
<< otherb->getP4Lab().get( 3 ) << std::endl;
do {
if ( p->getId() == PIP || p->getId() == EP || p->getId() == KP ||
p->getId() == MUP ) {
outmix << "chg +1"
<< " " << p->getP4Lab().get( 1 ) << " "
<< p->getP4Lab().get( 2 ) << " "
<< p->getP4Lab().get( 3 ) << std::endl;
}
if ( p->getId() == PIM || p->getId() == EM || p->getId() == KM ||
p->getId() == MUM ) {
outmix << "chg -1"
<< " " << p->getP4Lab().get( 1 ) << " "
<< p->getP4Lab().get( 2 ) << " "
<< p->getP4Lab().get( 3 ) << std::endl;
}
if ( p->getId() == GAMM || p->getId() == K0L ) {
outmix << "neu"
<< " " << p->getP4Lab().get( 1 ) << " "
<< p->getP4Lab().get( 2 ) << " "
<< p->getP4Lab().get( 3 ) << std::endl;
}
p = p->nextIter();
} while ( p != 0 );
outmix << "event" << std::endl;
root_part->deleteTree();
} while ( count++ < nevent );
outmix.close();
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << "SUCCESS\n";
}
void runGenericCont( int nevent, EvtGen& myGenerator )
{
int count;
std::ofstream outmix;
outmix.open( "genericcont.dat" );
EvtParticle* p;
myGenerator.readUDecay( "exampleFiles/GENERIC.DEC" );
count = 1;
static EvtId UPS4 = EvtPDL::getId( std::string( "Upsilon(4S)" ) );
static EvtId VPHO = EvtPDL::getId( std::string( "vpho" ) );
do {
if ( count == 1000 * ( count / 1000 ) ) {
EvtGenReport( EVTGEN_DEBUG, "EvtGen" ) << count << std::endl;
}
EvtVector4R p_init( EvtPDL::getMass( UPS4 ), 0.0, 0.0, 0.0 );
EvtParticle* root_part = EvtParticleFactory::particleFactory( VPHO,
p_init );
root_part->setVectorSpinDensity();
myGenerator.generateDecay( root_part );
p = root_part;
do {
outmix << p->getId().getId() << " " << p->getP4Lab().d3mag()
<< std::endl;
p = p->nextIter();
} while ( p != 0 );
//root_part->printTree();
root_part->deleteTree();
} while ( count++ < nevent );
outmix.close();
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << "SUCCESS\n";
}
void runD1( int nevent, EvtGen& myGenerator )
{
std::ofstream outmix;
outmix.open( "d1.dat" );
int count = 1;
myGenerator.readUDecay( "exampleFiles/D1.DEC" );
static EvtId UPS4 = EvtPDL::getId( std::string( "Upsilon(4S)" ) );
do {
EvtVector4R p_init( EvtPDL::getMass( UPS4 ), 0.0, 0.0, 0.0 );
EvtParticle* root_part = EvtParticleFactory::particleFactory( UPS4,
p_init );
root_part->setVectorSpinDensity();
myGenerator.generateDecay( root_part );
EvtParticle *p_b, *p_d1, *p_e, *p_nu, *p_pi1, *p_dstar, *p_pi2, *p_d;
EvtVector4R p4_b, p4_d1, p4_e, p4_nu, p4_pi1, p4_dstar, p4_pi2, p4_d;
// code for analyzing B->D1 e nu ; D1 -> D* pi ; D* -> D pi
p_b = root_part->getDaug( 1 );
p_d1 = p_b->getDaug( 0 );
p_e = p_b->getDaug( 1 );
p_nu = p_b->getDaug( 2 );
p_dstar = p_d1->getDaug( 0 );
p_pi1 = p_d1->getDaug( 1 );
p_d = p_dstar->getDaug( 0 );
p_pi2 = p_dstar->getDaug( 1 );
p4_b = p_b->getP4Lab();
p4_d1 = p_d1->getP4Lab();
p4_e = p_e->getP4Lab();
p4_nu = p_nu->getP4Lab();
p4_dstar = p_dstar->getP4Lab();
p4_pi1 = p_pi1->getP4Lab();
p4_pi2 = p_pi2->getP4Lab();
p4_d = p_d->getP4Lab();
outmix << p4_e.get( 0 ) << " ";
outmix << ( p4_e + p4_nu ) * ( p4_e + p4_nu ) << " ";
outmix << EvtDecayAngle( p4_b, p4_e + p4_nu, p4_e ) << " ";
outmix << EvtDecayAngle( p4_b, p4_dstar + p4_pi1, p4_dstar ) << " ";
outmix << EvtDecayAngle( p4_d1, p4_d + p4_pi2, p4_d ) << " ";
outmix << EvtDecayAngleChi( p4_b, p4_e, p4_nu, p4_dstar, p4_pi1 ) << "\n";
root_part->deleteTree();
EvtGenReport( EVTGEN_DEBUG, "EvtGen" ) << "count:" << count << std::endl;
} while ( count++ < nevent );
outmix.close();
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << "SUCCESS\n";
}
void runMix( int nevent, EvtGen& myGenerator )
{
std::ofstream outmix;
outmix.open( "mix.dat" );
int count = 1;
myGenerator.readUDecay( "exampleFiles/MIX.DEC" );
static EvtId UPS4 = EvtPDL::getId( std::string( "Upsilon(4S)" ) );
do {
EvtVector4R p_init( EvtPDL::getMass( UPS4 ), 0.0, 0.0, 0.0 );
EvtParticle* root_part = EvtParticleFactory::particleFactory( UPS4,
p_init );
root_part->setVectorSpinDensity();
myGenerator.generateDecay( root_part );
outmix << root_part->getDaug( 0 )->getId().getId() << " ";
outmix << root_part->getDaug( 0 )->getLifetime() << " ";
outmix << root_part->getDaug( 1 )->getId().getId() << " ";
outmix << root_part->getDaug( 1 )->getLifetime() << "\n";
root_part->deleteTree();
} while ( count++ < nevent );
outmix.close();
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << "SUCCESS\n";
}
void runBaryonic( int nEvent, EvtGen& myGenerator )
{
TFile* f = new TFile( "baryonic.root", "RECREATE" );
TH1D* q2Hist = new TH1D( "q2Hist", "q square", 50, 0.0, 25.00 );
EvtId BMINUS = EvtPDL::getId( "B-" );
EvtVector4R p_init( EvtPDL::getMass( BMINUS ), 0.0, 0.0, 0.0 );
EvtParticle* root_part;
myGenerator.readUDecay( "exampleFiles/BARYONIC.DEC" );
EvtVector4R l;
EvtVector4R p;
EvtVector4R g;
EvtVector4R sum;
for ( int i = 0; i < nEvent; ++i ) {
root_part = EvtParticleFactory::particleFactory( BMINUS, p_init );
root_part->setDiagonalSpinDensity();
myGenerator.generateDecay( root_part );
l = root_part->getDaug( 0 )->getP4Lab(); // lambda momentum
p = root_part->getDaug( 1 )->getP4Lab(); // pBar momentum
g = root_part->getDaug( 2 )->getP4Lab(); // gamma momentum
sum = p + g;
q2Hist->Fill( sum.mass2() );
root_part->deleteTree();
}
f->Write();
f->Close();
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << "SUCCESS\n";
}
void runPhspDecaytimeCut( int nevent, EvtGen& myGenerator )
{
TFile* file = new TFile( "phspdecaytimecut.root", "RECREATE" );
TH1F* thist = new TH1F( "h1", "t [ps]", 100, 0.0, 10.0 );
int count = 1;
char udecay_name[100];
strcpy( udecay_name, "exampleFiles/PhspDecaytimeCut.DEC" );
myGenerator.readUDecay( udecay_name );
static EvtId B = EvtPDL::getId( std::string( "B+" ) );
std::ofstream outmix;
do {
EvtVector4R pinit( EvtPDL::getMass( B ), 0.0, 0.0, 0.0 );
- EvtParticle* root_part = EvtParticleFactory::particleFactory( B,
- pinit );
+ EvtParticle* root_part = EvtParticleFactory::particleFactory( B, pinit );
myGenerator.generateDecay( root_part );
- double t = root_part->getLifetime() / (1e-12 * EvtConst::c);
+ double t = root_part->getLifetime() / ( 1e-12 * EvtConst::c );
thist->Fill( t );
+ root_part->deleteTree();
+
+ } while ( count++ < nevent );
+
+ file->Write();
+ file->Close();
+ EvtGenReport( EVTGEN_INFO, "EvtGen" ) << "SUCCESS\n";
+}
+
+void run3BPhspRegion( int nevent, EvtGen& myGenerator )
+{
+ TFile* file = new TFile( "3BodyPhspRegion.root", "RECREATE" );
+
+ TH1F* pxhist = new TH1F( "h1", "p_x ", 100, -3.0, 3.0 );
+ TH1F* pyhist = new TH1F( "h2", "p_y ", 100, -3.0, 3.0 );
+ TH1F* pzhist = new TH1F( "h3", "p_z ", 100, -3.0, 3.0 );
+ TH2F* dalitz = new TH2F( "h4", "Dalitz", 50, 12.5, 27., 50, 0.35, 4.8 );
+ TH2F* pxpyhist = new TH2F( "h5", "px-py", 50, -1.8, 1.8, 50, -1.8, 1.8 );
+ TH2F* pxpzhist = new TH2F( "h6", "px-pz", 50, -1.8, 1.8, 50, -1.8, 1.8 );
+ TH2F* pypzhist = new TH2F( "h7", "py-pz", 50, -1.8, 1.8, 50, -1.8, 1.8 );
+
+ int count = 1;
+
+ char udecay_name[100];
+ strcpy( udecay_name, "exampleFiles/3BodyPhspRegion.DEC" );
+ myGenerator.readUDecay( udecay_name );
+
+ static EvtId B = EvtPDL::getId( std::string( "B+" ) );
+
+ std::ofstream outmix;
+
+ do {
+ EvtVector4R pinit( EvtPDL::getMass( B ), 0.0, 0.0, 0.0 );
+
+ EvtParticle* root_part = EvtParticleFactory::particleFactory( B, pinit );
+
+ myGenerator.generateDecay( root_part );
+
+ EvtParticle* daug1 = root_part->getDaug( 0 );
+ EvtParticle* daug2 = root_part->getDaug( 1 );
+ EvtParticle* daug3 = root_part->getDaug( 2 );
+ pxhist->Fill( daug1->getP4().get( 1 ) );
+ pyhist->Fill( daug1->getP4().get( 2 ) );
+ pzhist->Fill( daug1->getP4().get( 3 ) );
+ pxpyhist->Fill( daug1->getP4().get( 1 ), daug1->getP4().get( 2 ) );
+ pxpzhist->Fill( daug1->getP4().get( 1 ), daug1->getP4().get( 3 ) );
+ pypzhist->Fill( daug1->getP4().get( 2 ), daug1->getP4().get( 3 ) );
+ double m12 = ( daug1->getP4() + daug2->getP4() ).mass();
+ double m23 = ( daug2->getP4() + daug3->getP4() ).mass();
+ dalitz->Fill( m12 * m12, m23 * m23 );
+
+ root_part->deleteTree();
+
} while ( count++ < nevent );
file->Write();
file->Close();
EvtGenReport( EVTGEN_INFO, "EvtGen" ) << "SUCCESS\n";
}
diff --git a/test/exampleFiles/3BodyPhspRegion.DEC b/test/exampleFiles/3BodyPhspRegion.DEC
new file mode 100644
index 0000000..f1b3687
--- /dev/null
+++ b/test/exampleFiles/3BodyPhspRegion.DEC
@@ -0,0 +1,15 @@
+Decay B+
+#1.000 J/psi K+ pi0 PHSP;
+1.000 J/psi K+ pi0 THREEBODYPHSP 15. 22. 1.5 4.5;
+Enddecay
+CDecay B-
+
+Decay J/psi
+1.000 mu+ mu- VLL;
+Enddecay
+
+Decay pi0
+1.000 gamma gamma PHSP;
+Enddecay
+
+End

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