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diff --git a/Decay/ScalarMeson/DtoKPiPiE691.cc b/Decay/ScalarMeson/DtoKPiPiE691.cc
--- a/Decay/ScalarMeson/DtoKPiPiE691.cc
+++ b/Decay/ScalarMeson/DtoKPiPiE691.cc
@@ -1,700 +1,700 @@
// -*- C++ -*-
//
// This is the implementation of the non-inlined, non-templated member
// functions of the DtoKPiPiE691 class.
//
#include "DtoKPiPiE691.h"
#include "ThePEG/Interface/Parameter.h"
#include "ThePEG/Interface/ParVector.h"
#include "ThePEG/Interface/Switch.h"
#include "ThePEG/Interface/ClassDocumentation.h"
#include "ThePEG/Persistency/PersistentOStream.h"
#include "ThePEG/Persistency/PersistentIStream.h"
#include "Herwig++/Helicity/WaveFunction/ScalarWaveFunction.h"
using namespace Herwig;
using ThePEG::Helicity::RhoDMatrix;
using Herwig::Helicity::ScalarWaveFunction;
using Herwig::Helicity::incoming;
using Herwig::Helicity::outgoing;
DtoKPiPiE691::DtoKPiPiE691() {
// amplitudes and phases for D+ -> K-pi+pi+
_a1NR = 1. ; _phi1NR = 0.;
_a1K892 = 0.78; _phi1K892 = - 60.;
_a1K1430 = 0.53; _phi1K1430 = 132.;
_a1K1680 = 0.47; _phi1K1680 = - 51.;
// amplitudes and phases for D0 -> K-pi+pi0
_a2NR = 1.00; _phi2NR = 0.;
_a2K8920 = 3.19; _phi2K8920 = 167.;
_a2K892m = 2.96; _phi2K892m = -112.;
_a2rho = 8.56; _phi2rho = 40.;
// amplitudes and phases for D0 -> Kbar0 pi+pi-
_a3NR = 1.00; _phi3NR = 0.;
_a3K892 = 2.31; _phi3K892 = 109.;
_a3rho = 1.59; _phi3rho = -123.;
// masses and widths
_localparameters=true;
_mK8920 = 0.8961 *GeV; _wK8920 = 0.0505*GeV;
_mK892m = 0.89159*GeV; _wK892m = 0.0498*GeV;
_mK1680 = 1.714 *GeV; _wK1680 = 0.323 *GeV;
_mK1430 = 1.429 *GeV; _wK1430 = 0.287 *GeV;
_mrho0 = 0.7681 *GeV; _wrho0 = 0.1515*GeV;
_mrhop = 0.7681 *GeV; _wrhop = 0.1515*GeV;
// generate the intermediate particles
generateIntermediates(true);
}
void DtoKPiPiE691::doinit() throw(InitException) {
DecayIntegrator::doinit();
// complex amplitudes calculated from magnitudes and phases
double fact = pi/180.;
// D+ -> K-pi+pi+
_c1NR = _a1NR *Complex(cos(_phi1NR *fact),sin(_phi1NR *fact));
_c1K892 = _a1K892 *Complex(cos(_phi1K892 *fact),sin(_phi1K892 *fact));
_c1K1430= _a1K1430*Complex(cos(_phi1K1430*fact),sin(_phi1K1430*fact));
_c1K1680= _a1K1680*Complex(cos(_phi1K1680*fact),sin(_phi1K1680*fact));
// D0 -> K-pi+pi0
_c2NR = _a2NR *Complex(cos(_phi2NR *fact),sin(_phi2NR *fact));
_c2K8920= _a2K8920*Complex(cos(_phi2K8920*fact),sin(_phi2K8920*fact));
_c2K892m= _a2K892m*Complex(cos(_phi2K892m*fact),sin(_phi2K892m*fact));
_c2rho = _a2rho *Complex(cos(_phi2rho *fact),sin(_phi2rho *fact));
// D0 -> Kbar0pi+pi-
_c3NR = _a3NR *Complex(cos(_phi3NR *fact),sin(_phi3NR *fact));
_c3K892 = _a3K892 *Complex(cos(_phi3K892 *fact),sin(_phi3K892 *fact));
_c3rho = _a3rho *Complex(cos(_phi3rho *fact),sin(_phi3rho *fact));
// intermediate resonances
tPDPtr k8920 = getParticleData(ParticleID::Kstarbar0 );
tPDPtr k892m = getParticleData(ParticleID::Kstarminus);
tPDPtr k1430 = getParticleData(ParticleID::Kstar_0bar0);
tPDPtr k1680 = getParticleData(-30313);
tPDPtr rho0 = getParticleData(ParticleID::rho0);
tPDPtr rhop = getParticleData(ParticleID::rhoplus);
// D+ -> K-pi+pi+
PDVector extpart(4);
extpart[0]=getParticleData(ParticleID::Dplus);
extpart[1]=getParticleData(ParticleID::Kminus);
extpart[2]=getParticleData(ParticleID::piplus);
extpart[3]=getParticleData(ParticleID::piplus);
DecayPhaseSpaceChannelPtr newchannel;
DecayPhaseSpaceModePtr mode = new_ptr(DecayPhaseSpaceMode(extpart,this));
int ix=0;
if(k8920) {
newchannel=new_ptr(DecayPhaseSpaceChannel(mode));
newchannel->addIntermediate(extpart[0],0, 0.0,-1,3);
newchannel->addIntermediate(k8920,0,0., 1,2);
mode->addChannel(newchannel);
++ix;
newchannel=new_ptr(DecayPhaseSpaceChannel(mode));
newchannel->addIntermediate(extpart[0],0, 0.0,-1,2);
newchannel->addIntermediate(k8920,0,0., 1,3);
mode->addChannel(newchannel);
++ix;
}
if(k1430) {
newchannel=new_ptr(DecayPhaseSpaceChannel(mode));
newchannel->addIntermediate(extpart[0],0, 0.0,-1,3);
newchannel->addIntermediate(k1430,0,0., 1,2);
mode->addChannel(newchannel);
++ix;
newchannel=new_ptr(DecayPhaseSpaceChannel(mode));
newchannel->addIntermediate(extpart[0],0, 0.0,-1,2);
newchannel->addIntermediate(k1430,0,0., 1,3);
mode->addChannel(newchannel);
++ix;
}
if(k1680) {
newchannel=new_ptr(DecayPhaseSpaceChannel(mode));
newchannel->addIntermediate(extpart[0],0, 0.0,-1,3);
newchannel->addIntermediate(k1680,0,0., 1,2);
mode->addChannel(newchannel);
++ix;
newchannel=new_ptr(DecayPhaseSpaceChannel(mode));
newchannel->addIntermediate(extpart[0],0, 0.0,-1,2);
newchannel->addIntermediate(k1680,0,0., 1,3);
mode->addChannel(newchannel);
++ix;
}
// add the mode
vector<double> wtemp;
if(ix<=int(_weights.size())) {
vector<double>::const_iterator wit=_weights.begin();
wtemp=vector<double>(wit,wit+ix);
}
else {
wtemp=vector<double>(ix,1./double(ix));
}
if(_maxwgt.empty()) _maxwgt.push_back(1.);
addMode(mode,_maxwgt[0],wtemp);
// D0 -> K-pi+pi0
extpart[0]=getParticleData(ParticleID::D0);
extpart[1]=getParticleData(ParticleID::Kminus);
extpart[2]=getParticleData(ParticleID::piplus);
extpart[3]=getParticleData(ParticleID::pi0);
mode = new_ptr(DecayPhaseSpaceMode(extpart,this));
int iy=ix;
if(k8920) {
newchannel=new_ptr(DecayPhaseSpaceChannel(mode));
newchannel->addIntermediate(extpart[0],0, 0.0,-1,3);
newchannel->addIntermediate(k8920,0,0., 1,2);
mode->addChannel(newchannel);
++iy;
}
if(k892m) {
newchannel=new_ptr(DecayPhaseSpaceChannel(mode));
newchannel->addIntermediate(extpart[0],0, 0.0,-1,2);
newchannel->addIntermediate(k892m,0,0., 1,3);
mode->addChannel(newchannel);
++iy;
}
if(rhop) {
newchannel=new_ptr(DecayPhaseSpaceChannel(mode));
newchannel->addIntermediate(extpart[0],0, 0.0,-1,1);
newchannel->addIntermediate(rhop,0,0., 2,3);
mode->addChannel(newchannel);
++iy;
}
// add the mode
if(iy<=int(_weights.size())) {
vector<double>::const_iterator wit=_weights.begin();
wtemp=vector<double>(wit+ix,wit+iy);
}
else {
wtemp=vector<double>(iy-ix,1./double(iy-ix));
}
if(_maxwgt.size()<2) _maxwgt.push_back(1.);
addMode(mode,_maxwgt[1],wtemp);
// D0 -> Kbar0 pi+ pi-
extpart[0]=getParticleData(ParticleID::D0);
extpart[1]=getParticleData(ParticleID::Kbar0);
extpart[2]=getParticleData(ParticleID::piplus);
extpart[3]=getParticleData(ParticleID::piminus);
mode = new_ptr(DecayPhaseSpaceMode(extpart,this));
ix=iy;
if(rho0) {
newchannel=new_ptr(DecayPhaseSpaceChannel(mode));
newchannel->addIntermediate(extpart[0],0, 0.0,-1,1);
newchannel->addIntermediate(rho0,0,0., 2,3);
mode->addChannel(newchannel);
++iy;
}
if(k892m) {
newchannel=new_ptr(DecayPhaseSpaceChannel(mode));
newchannel->addIntermediate(extpart[0],0, 0.0,-1,2);
newchannel->addIntermediate(k892m,0,0., 1,3);
mode->addChannel(newchannel);
++iy;
}
// add the mode
if(iy<=int(_weights.size())) {
vector<double>::const_iterator wit=_weights.begin();
wtemp=vector<double>(wit+ix,wit+iy);
}
else {
wtemp=vector<double>(iy-ix,1./double(iy-ix));
}
if(_maxwgt.size()<3) _maxwgt.push_back(1.);
addMode(mode,_maxwgt[2],wtemp);
// reset the resonance parameters in the integration if needed
if(_localparameters) {
resetIntermediate(k8920,_mK8920,_wK8920);
resetIntermediate(k892m,_mK892m,_wK892m);
resetIntermediate(k1430,_mK1680,_wK1680);
resetIntermediate(k1680,_mK1430,_wK1430);
resetIntermediate(rho0 ,_mrho0 ,_wrho0 );
resetIntermediate(rhop ,_mrhop ,_wrhop );
}
// get values from the ParticleData objects if needed
else {
_mK8920 = k8920->mass();
_mK892m = k892m->mass();
_mK1680 = k1430->mass();
_mK1430 = k1680->mass();
_mrho0 = rho0 ->mass();
_mrhop = rhop ->mass();
_wK8920 = k8920->width();
_wK892m = k892m->width();
_wK1680 = k1430->width();
_wK1430 = k1680->width();
_wrho0 = rho0 ->width();
_wrhop = rhop ->width();
}
}
void DtoKPiPiE691::persistentOutput(PersistentOStream & os) const {
os << _a1NR << _phi1NR << _a1K892 << _phi1K892 << _a1K1430 << _phi1K1430
<< _a1K1680 << _phi1K1680 << _a2NR << _phi2NR << _a2K8920 << _phi2K8920
<< _a2K892m << _phi2K892m << _a2rho << _phi2rho << _a3NR << _phi3NR
<< _a3K892 << _phi3K892 << _a3rho << _phi3rho << _c1NR << _c1K892 << _c1K1430
<< _c1K1680 << _c2NR << _c2K8920 << _c2K892m << _c2rho << _c3NR << _c3K892
<< _c3rho << _localparameters << _mK8920 << _wK8920 << _mK892m << _wK892m
<< _mK1680 << _wK1680 << _mK1430 << _wK1430 << _mrho0 << _wrho0 << _mrhop
<< _wrhop << _maxwgt << _weights;
}
void DtoKPiPiE691::persistentInput(PersistentIStream & is, int) {
is >> _a1NR >> _phi1NR >> _a1K892 >> _phi1K892 >> _a1K1430 >> _phi1K1430
>> _a1K1680 >> _phi1K1680 >> _a2NR >> _phi2NR >> _a2K8920 >> _phi2K8920
>> _a2K892m >> _phi2K892m >> _a2rho >> _phi2rho >> _a3NR >> _phi3NR
>> _a3K892 >> _phi3K892 >> _a3rho >> _phi3rho >> _c1NR >> _c1K892 >> _c1K1430
>> _c1K1680 >> _c2NR >> _c2K8920 >> _c2K892m >> _c2rho >> _c3NR >> _c3K892
>> _c3rho >> _localparameters >> _mK8920 >> _wK8920 >> _mK892m >> _wK892m
>> _mK1680 >> _wK1680 >> _mK1430 >> _wK1430 >> _mrho0 >> _wrho0 >> _mrhop
>> _wrhop >> _maxwgt >> _weights;
}
ClassDescription<DtoKPiPiE691> DtoKPiPiE691::initDtoKPiPiE691;
// Definition of the static class description member.
void DtoKPiPiE691::Init() {
static ClassDocumentation<DtoKPiPiE691> documentation
("The DtoKPiPiE691 class implements the model of E691 for D -> K pi pi"
"Dalitz decays",
"The model of \\cite{Anjos:1992kb} for $D\\to K\\pi\\pi$ decays was used",
"\\bibitem{Anjos:1992kb} J.~C.~Anjos {\\it et al.} [E691 Collaboration],"
"Phys.\\ Rev.\\ D {\\bf 48} (1993) 56.");
static Parameter<DtoKPiPiE691,double> interfaceKmPipPipNonResonantMagnitude
("KmPipPipNonResonantMagnitude",
"The magnitude of the non-resonant component for D+ -> K- pi+ pi+",
&DtoKPiPiE691::_a1NR, 1.0, 0.0, 10.0,
false, false, Interface::limited);
static Parameter<DtoKPiPiE691,double> interfaceKmPipPipNonResonantPhase
("KmPipPipNonResonantPhase",
"The phase of the non-resonant component for D+ -> K- pi+ pi+",
&DtoKPiPiE691::_phi1NR, 0., -180., 180.,
false, false, Interface::limited);
static Parameter<DtoKPiPiE691,double> interfaceKmPipPipK892Magnitude
("KmPipPipK892Magnitude",
"The magnitude of the K*(892) component for D+ -> K- pi+ pi+",
&DtoKPiPiE691::_a1K892, 0.78, 0.0, 10.0,
false, false, Interface::limited);
static Parameter<DtoKPiPiE691,double> interfaceKmPipPipK892Phase
("KmPipPipK892Phase",
"The phase of the K*(892) component for D+ -> K- pi+ pi+",
&DtoKPiPiE691::_phi1K892, -60., -180., 180.,
false, false, Interface::limited);
static Parameter<DtoKPiPiE691,double> interfaceKmPipPipK1430Magnitude
("KmPipPipK1430Magnitude",
"The magnitude of the K*0(1430) component for D+ -> K- pi+ pi+",
&DtoKPiPiE691::_a1K1430, 0.53, 0.0, 10.0,
false, false, Interface::limited);
static Parameter<DtoKPiPiE691,double> interfaceKmPipPipK1430Phase
("KmPipPipK1430Phase",
"The phase of the K*0(1430) component for D+ -> K- pi+ pi+",
&DtoKPiPiE691::_phi1K1430, 132., -180., 180.,
false, false, Interface::limited);
static Parameter<DtoKPiPiE691,double> interfaceKmPipPipK1680Magnitude
("KmPipPipK1680Magnitude",
"The magnitude of the K*(1680) component for D+ -> K- pi+ pi+",
&DtoKPiPiE691::_a1K1680, 0.47, 0.0, 10.0,
false, false, Interface::limited);
static Parameter<DtoKPiPiE691,double> interfaceKmPipPipK1680Phase
("KmPipPipK1680Phase",
"The phase of the K*(1680) component for D+ -> K- pi+ pi+",
&DtoKPiPiE691::_phi1K1680, - 51., -180., 180.,
false, false, Interface::limited);
static Parameter<DtoKPiPiE691,double> interfaceKmPipPi0NonResonantMagnitude
("KmPipPi0NonResonantMagnitude",
"The magnitude of the non-resonant component for D0 -> K- pi+ pi0",
&DtoKPiPiE691::_a2NR, 1.0, 0.0, 10.0,
false, false, Interface::limited);
static Parameter<DtoKPiPiE691,double> interfaceKmPipPi0NonResonantPhase
("KmPipPi0NonResonantPhase",
"The phase of the non-resonant component for D0 -> K- pi+ pi0",
&DtoKPiPiE691::_phi2NR, 0., -180., 180.,
false, false, Interface::limited);
static Parameter<DtoKPiPiE691,double> interfaceKmPipPi0K8920Magnitude
("KmPipPi0K8920Magnitude",
"The magnitude of the K*(892)0 component for D0 -> K- pi+ pi0",
&DtoKPiPiE691::_a2K8920, 3.19, 0.0, 10.0,
false, false, Interface::limited);
static Parameter<DtoKPiPiE691,double> interfaceKmPipPi0K8920Phase
("KmPipPi0K8920Phase",
"The phase of the K*(892)0 component for D0 -> K- pi+ pi0",
&DtoKPiPiE691::_phi2K8920, 167., -180., 180.,
false, false, Interface::limited);
static Parameter<DtoKPiPiE691,double> interfaceKmPipPi0K892mMagnitude
("KmPipPi0K892mMagnitude",
"The magnitude of the K*(892)- component for D0 -> K- pi+ pi0",
&DtoKPiPiE691::_a2K892m, 2.96, 0.0, 10.0,
false, false, Interface::limited);
static Parameter<DtoKPiPiE691,double> interfaceKmPipPi0K892mPhase
("KmPipPi0K892mPhase",
"The phase of the K*(892)- component for D0 -> K- pi+ pi0",
&DtoKPiPiE691::_phi2K892m, -112., -180., 180.,
false, false, Interface::limited);
static Parameter<DtoKPiPiE691,double> interfaceKmPipPi0RhoMagnitude
("KmPipPi0RhoMagnitude",
"The magnitude of the rho component for D0 -> K- pi+ pi0",
&DtoKPiPiE691::_a2rho, 8.56, 0.0, 10.0,
false, false, Interface::limited);
static Parameter<DtoKPiPiE691,double> interfaceKmPipPi0RhoPhase
("KmPipPi0RhoPhase",
"The phase of the rho component for D0 -> K- pi+ pi0",
&DtoKPiPiE691::_phi2rho, 40., -180., 180.,
false, false, Interface::limited);
static Parameter<DtoKPiPiE691,double> interfaceK0PipPimNonResonantMagnitude
("K0PipPimNonResonantMagnitude",
"The magnitude of the non-resonant component for D0 -> Kbar0 pi+pi-",
&DtoKPiPiE691::_a3NR, 1.0, 0.0, 10.0,
false, false, Interface::limited);
static Parameter<DtoKPiPiE691,double> interfaceK0PipPimNonResonantPhase
("K0PipPimNonResonantPhase",
"The phase of the non-resonant component for D0 -> Kbar0 pi+pi-",
&DtoKPiPiE691::_phi3NR, 0., -180., 180.,
false, false, Interface::limited);
static Parameter<DtoKPiPiE691,double> interfaceK0PipPimK892Magnitude
("K0PipPimK892Magnitude",
"The magnitude of the K*(892) component for D0 -> Kbar0 pi+pi-",
&DtoKPiPiE691::_a3K892, 2.31, 0.0, 10.0,
false, false, Interface::limited);
static Parameter<DtoKPiPiE691,double> interfaceK0PipPimK892Phase
("K0PipPimK892Phase",
"The phase of the K*(892)0 component for D0 -> Kbar0 pi+pi-",
&DtoKPiPiE691::_phi3K892, 109., -180., 180.,
false, false, Interface::limited);
static Parameter<DtoKPiPiE691,double> interfaceK0PipPimRhoMagnitude
("K0PipPimRhoMagnitude",
"The magnitude of the rho component for D0 -> Kbar0 pi+pi-",
&DtoKPiPiE691::_a3rho, 1.59, 0.0, 10.0,
false, false, Interface::limited);
static Parameter<DtoKPiPiE691,double> interfaceK0PipPimRhoPhase
("K0PipPimRhoPhase",
"The phase of the rho component for D0 -> Kbar0 pi+pi-",
&DtoKPiPiE691::_phi3rho, -123., -180., 180.,
false, false, Interface::limited);
static Switch<DtoKPiPiE691,bool> interfaceLocalParameters
("LocalParameters",
"Whether to use local values for the masses and widths or"
" those from the ParticleData objects",
&DtoKPiPiE691::_localparameters, true, false, false);
static SwitchOption interfaceLocalParametersLocal
(interfaceLocalParameters,
"Local",
"Use local values",
true);
static SwitchOption interfaceLocalParametersParticleData
(interfaceLocalParameters,
"ParticleData",
"Use the values from the ParticleData objects",
false);
static Parameter<DtoKPiPiE691,Energy> interfaceK8920Mass
("K8920Mass",
"The mass of the K*(892)0",
&DtoKPiPiE691::_mK8920, GeV, 0.8961 *GeV, 0.0*GeV, 10.0*GeV,
false, false, Interface::limited);
static Parameter<DtoKPiPiE691,Energy> interfaceK8920Width
("K8920Width",
"The width of the K*(892)0",
&DtoKPiPiE691::_wK8920, GeV, 0.0505*GeV, 0.0*GeV, 10.0*GeV,
false, false, Interface::limited);
static Parameter<DtoKPiPiE691,Energy> interfaceK892MinusMass
("K892MinusMass",
"The mass of the K*(892)-",
&DtoKPiPiE691::_mK892m, GeV, 0.89159*GeV, 0.0*GeV, 10.0*GeV,
false, false, Interface::limited);
static Parameter<DtoKPiPiE691,Energy> interfaceK892MinusWidth
("K892MinusWidth",
"The width of the K*(892)-",
&DtoKPiPiE691::_wK892m, GeV, 0.0498*GeV, 0.0*GeV, 10.0*GeV,
false, false, Interface::limited);
static Parameter<DtoKPiPiE691,Energy> interfaceK1680Mass
("K1680Mass",
"The mass of the K*(1680)",
&DtoKPiPiE691::_mK1680, GeV, 1.714 *GeV, 0.0*GeV, 10.0*GeV,
false, false, Interface::limited);
static Parameter<DtoKPiPiE691,Energy> interfaceK1680Width
("K1680Width",
"The width of the K*(1680)",
&DtoKPiPiE691::_wK1680, GeV, 0.323 *GeV, 0.0*GeV, 10.0*GeV,
false, false, Interface::limited);
static Parameter<DtoKPiPiE691,Energy> interfaceK1430Mass
("K1430Mass",
"The mass of the K*(1430)",
&DtoKPiPiE691::_mK1430, GeV, 1.429 *GeV, 0.0*GeV, 10.0*GeV,
false, false, Interface::limited);
static Parameter<DtoKPiPiE691,Energy> interfaceK1430Width
("K1430Width",
"The width of the K*(1430)",
&DtoKPiPiE691::_wK1430, GeV, 0.287 *GeV, 0.0*GeV, 10.0*GeV,
false, false, Interface::limited);
static Parameter<DtoKPiPiE691,Energy> interfaceRho0Mass
("Rho0Mass",
"The mass of the rho0",
&DtoKPiPiE691::_mrho0, GeV, 0.7681 *GeV, 0.0*GeV, 10.0*GeV,
false, false, Interface::limited);
static Parameter<DtoKPiPiE691,Energy> interfaceRho0Width
("Rho0Width",
"The width of the rho0",
&DtoKPiPiE691::_wrho0, GeV, 0.1515*GeV, 0.0*GeV, 10.0*GeV,
false, false, Interface::limited);
static Parameter<DtoKPiPiE691,Energy> interfaceRhoPlusMass
("RhoPlusMass",
"The mass of the rho+",
&DtoKPiPiE691::_mrhop, GeV, 0.7681 *GeV, 0.0*GeV, 10.0*GeV,
false, false, Interface::limited);
static Parameter<DtoKPiPiE691,Energy> interfaceRhoPlusWidth
("RhoPlusWidth",
"The width of the rho+",
&DtoKPiPiE691::_wrhop, GeV, 0.1515*GeV, 0.0*GeV, 10.0*GeV,
false, false, Interface::limited);
static ParVector<DtoKPiPiE691,double> interfaceMaximumWeights
("MaximumWeights",
"The maximum weights for the unweighting of the decays",
&DtoKPiPiE691::_maxwgt, -1, 1.0, 0.0, 10000.0,
false, false, Interface::limited);
static ParVector<DtoKPiPiE691,double> interfaceWeights
("Weights",
"The weights for the different channels for the phase-space integration",
&DtoKPiPiE691::_weights, -1, 1.0, 0.0, 1.0,
false, false, Interface::limited);
}
int DtoKPiPiE691::modeNumber(bool & cc,const DecayMode & dm) const {
int id0(dm.parent()->id());
// incoming particle must be D0 or D+
if(abs(id0)!=ParticleID::D0&&abs(id0)!=ParticleID::Dplus) return -1;
cc = id0<0;
// must be three decay products
if(dm.products().size()!=3) return -1;
ParticleMSet::const_iterator pit = dm.products().begin();
unsigned int npip(0),npim(0),nkm(0),nk0(0),npi0(0);
int id;
for( ;pit!=dm.products().end();++pit) {
id=(**pit).id();
if(id ==ParticleID::piplus) ++npip;
else if(id ==ParticleID::pi0) ++npi0;
else if(id ==ParticleID::piminus) ++npim;
else if(abs(id)==ParticleID::K0) ++nk0;
else if(id ==ParticleID::K_L0) ++nk0;
else if(id ==ParticleID::K_S0) ++nk0;
else if(abs(id)==ParticleID::Kplus) ++nkm;
}
if(abs(id0)==ParticleID::Dplus) {
if((id0==ParticleID::Dplus &&(nkm==1&&npip==2))||
(id0==ParticleID::Dminus&&(nkm==1&&npim==2))) return 0;
else return -1;
}
else {
if(npim==1&&npip==1&&nk0==1) return 2;
else if(nkm==1&&(npip+npim)==1&&npi0==1) return 1;
else return -1;
}
}
double DtoKPiPiE691::me2(bool vertex, const int ichan,
const Particle & inpart,
const ParticleVector & decay) const {
useMe();
// wavefunnction for the decaying particle
tPPtr mytempInpart = const_ptr_cast<tPPtr>(&inpart);
ScalarWaveFunction(mytempInpart,incoming,true,vertex);
// wavefunctions for the outgoing particles
for(unsigned int ix=0;ix<3;++ix) {
PPtr mytemp = decay[ix];
ScalarWaveFunction(mytemp,outgoing,true,vertex);
}
Complex amp;
- // D+ -> K-pi+pi_
+ // D+ -> K-pi+pi+
if(imode()==0) {
Lorentz5Momentum pres1=decay[0]->momentum()+decay[1]->momentum();
pres1.rescaleMass();
double ct1 =-decayAngle(inpart.momentum(),pres1,decay[0]->momentum());
Lorentz5Momentum pres2=decay[0]->momentum()+decay[2]->momentum();
pres2.rescaleMass();
double ct2 =-decayAngle(inpart.momentum(),pres2,decay[0]->momentum());
if(ichan<0) {
- amp = _c1NR
+ amp = _c1NR*sqrt(2.)
+_c1K892 *amplitude(1,ct1,pres1.mass(),_wK8920,_mK8920)
+_c1K892 *amplitude(1,ct2,pres2.mass(),_wK8920,_mK8920)
+_c1K1430*amplitude(0,ct1,pres1.mass(),_wK1430,_mK1430)
+_c1K1430*amplitude(0,ct2,pres2.mass(),_wK1430,_mK1430)
+_c1K1680*amplitude(1,ct1,pres1.mass(),_wK1680,_mK1680)
+_c1K1680*amplitude(1,ct2,pres2.mass(),_wK1680,_mK1680);
}
else if(ichan==0) {
amp=_c1K892 *amplitude(1,ct1,pres1.mass(),_wK8920,_mK8920);
}
else if(ichan==1) {
amp=_c1K892 *amplitude(1,ct2,pres2.mass(),_wK8920,_mK8920);
}
else if(ichan==2) {
amp=_c1K1430*amplitude(1,ct1,pres1.mass(),_wK1430,_mK1430);
}
else if(ichan==3) {
amp=_c1K1430*amplitude(1,ct2,pres2.mass(),_wK1430,_mK1430);
}
else if(ichan==4) {
amp=_c1K1680*amplitude(1,ct1,pres1.mass(),_wK1680,_mK1680);
}
else if(ichan==5) {
amp=_c1K1680*amplitude(1,ct2,pres2.mass(),_wK1680,_mK1680);
}
}
// D0 -> K-pi+pi0
else if(imode()==1) {
Lorentz5Momentum pres1=decay[0]->momentum()+decay[1]->momentum();
pres1.rescaleMass();
double ct1 = decayAngle(inpart.momentum(),pres1,decay[0]->momentum());
Lorentz5Momentum pres2=decay[0]->momentum()+decay[2]->momentum();
pres2.rescaleMass();
double ct2 = decayAngle(inpart.momentum(),pres2,decay[2]->momentum());
Lorentz5Momentum pres3=decay[1]->momentum()+decay[2]->momentum();
pres3.rescaleMass();
double ct3 = decayAngle(inpart.momentum(),pres3,decay[2]->momentum());
if(ichan<0) {
amp = _c2NR
+_c2K8920*amplitude(1,ct1,pres1.mass(),_wK8920,_mK8920)
+_c2K892m*amplitude(1,ct2,pres2.mass(),_wK892m,_mK892m)
+_c2rho *amplitude(1,ct3,pres3.mass(),_wrhop ,_mrhop );
}
else if(ichan==0) {
amp = _c2K8920*amplitude(1,ct1,pres1.mass(),_wK8920,_mK8920);
}
else if(ichan==1) {
amp = _c2K892m*amplitude(1,ct2,pres2.mass(),_wK892m,_mK892m);
}
else if(ichan==2) {
amp = _c2rho *amplitude(1,ct3,pres3.mass(),_wrhop ,_mrhop);
}
}
// D0 -> Kbar0pi+pi-
else if(imode()==2) {
Lorentz5Momentum pres1=decay[0]->momentum()+decay[2]->momentum();
pres1.rescaleMass();
double ct1 = decayAngle(inpart.momentum(),pres1,decay[0]->momentum());
Lorentz5Momentum pres2=decay[1]->momentum()+decay[2]->momentum();
pres2.rescaleMass();
double ct2 = decayAngle(inpart.momentum(),pres2,decay[1]->momentum());
if(ichan<0) {
amp = _c3NR
+_c3K892*amplitude(1,ct1,pres1.mass(),_wK892m,_mK892m)
+_c3rho *amplitude(1,ct2,pres2.mass(),_wrho0 ,_mrho0 );
}
else if(ichan==0) {
amp = _c3K892*amplitude(1,ct1,pres1.mass(),_wK892m,_mK892m);
}
else if(ichan==1) {
amp = _c3rho *amplitude(1,ct2,pres2.mass(),_wrho0 ,_mrho0 );
}
}
// now compute the matrix element
DecayMatrixElement newME(PDT::Spin0,PDT::Spin0,PDT::Spin0,PDT::Spin0);
newME(0,0,0,0)=amp;
ME(newME);
return real(amp*conj(amp));
}
void DtoKPiPiE691::dataBaseOutput(ofstream & output, bool header) const {
if(header) output << "update decayers set parameters=\"";
// parameters for the DecayIntegrator base class
DecayIntegrator::dataBaseOutput(output,false);
// parameters
output << "set " << fullName() << ":KmPipPipNonResonantMagnitude "
<< _a1NR << "\n";
output << "set " << fullName() << ":KmPipPipNonResonantPhase "
<< _phi1NR << "\n";
output << "set " << fullName() << ":KmPipPipK892Magnitude "
<< _a1K892 << "\n";
output << "set " << fullName() << ":KmPipPipK892Phase "
<< _phi1K892 << "\n";
output << "set " << fullName() << ":KmPipPipK1430Magnitude "
<< _a1K1430 << "\n";
output << "set " << fullName() << ":KmPipPipK1430Phase "
<< _phi1K1430 << "\n";
output << "set " << fullName() << ":KmPipPipK1680Magnitude "
<< _a1K1680 << "\n";
output << "set " << fullName() << ":KmPipPipK1680Phase "
<< _phi1K1680 << "\n";
output << "set " << fullName() << ":KmPipPi0NonResonantMagnitude "
<< _a2NR << "\n";
output << "set " << fullName() << ":KmPipPi0NonResonantPhase "
<< _phi2NR << "\n";
output << "set " << fullName() << ":KmPipPi0K8920Magnitude "
<< _a2K8920 << "\n";
output << "set " << fullName() << ":KmPipPi0K8920Phase "
<< _phi2K8920 << "\n";
output << "set " << fullName() << ":KmPipPi0K892mMagnitude "
<< _a2K892m << "\n";
output << "set " << fullName() << ":KmPipPi0K892mPhase "
<< _phi2K892m << "\n";
output << "set " << fullName() << ":KmPipPi0RhoMagnitude "
<< _a2rho << "\n";
output << "set " << fullName() << ":KmPipPi0RhoPhase "
<< _phi2rho << "\n";
output << "set " << fullName() << ":K0PipPimNonResonantMagnitude "
<< _a3NR << "\n";
output << "set " << fullName() << ":K0PipPimNonResonantPhase "
<< _phi3NR << "\n";
output << "set " << fullName() << ":K0PipPimK892Magnitude "
<< _a3K892 << "\n";
output << "set " << fullName() << ":K0PipPimK892Phase "
<< _phi3K892 << "\n";
output << "set " << fullName() << ":K0PipPimRhoMagnitude "
<< _a3rho << "\n";
output << "set " << fullName() << ":K0PipPimRhoPhase "
<< _phi3rho << "\n";
output << "set " << fullName() << ":LocalParameters " << _localparameters << "\n";
output << "set " << fullName() << ":K8920Mass " << _mK8920/GeV << "\n";
output << "set " << fullName() << ":K8920Width " << _wK8920/GeV << "\n";
output << "set " << fullName() << ":K892MinusMass " << _mK892m/GeV << "\n";
output << "set " << fullName() << ":K892MinusWidth " << _wK892m/GeV << "\n";
output << "set " << fullName() << ":K1680Mass " << _mK1680/GeV << "\n";
output << "set " << fullName() << ":K1680Width " << _wK1680/GeV << "\n";
output << "set " << fullName() << ":K1430Mass " << _mK1430/GeV << "\n";
output << "set " << fullName() << ":K1430Width " << _wK1430/GeV << "\n";
output << "set " << fullName() << ":Rho0Mass " << _mrho0 /GeV << "\n";
output << "set " << fullName() << ":Rho0Width " << _wrho0 /GeV << "\n";
output << "set " << fullName() << ":RhoPlusMass " << _mrhop /GeV << "\n";
output << "set " << fullName() << ":RhoPlusWidth " << _wrhop /GeV << "\n";
for(unsigned int ix=0;ix<_maxwgt.size();++ix) {
output << "insert " << fullName() << ":MaximumWeights "
<< ix << " " << _maxwgt[ix] << "\n";
}
for(unsigned int ix=0;ix<_weights.size();++ix) {
output << "insert " << fullName() << ":Weights "
<< ix << " " << _weights[ix] << "\n";
}
if(header) {
output << "\n\" where BINARY ThePEGName=\"" << fullName() << "\";" << endl;
}
}

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