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#include <getopt.h>
#include <fstream>
#include <string>
#include "Examples/JpsiGamKsKlKK/JpsiGamKsKlKKEventList.hh"
#include "Event/EventList.hh"
#include "PwaUtils/KinUtils.hh"
#include "Event/Event.hh"
#include "ErrLogger/ErrLogger.hh"
JpsiGamKsKlKKEventList::JpsiGamKsKlKKEventList(EventList& evtListData, EventList& evtListMc)
{
read4Vecs(evtListData, _dataList);
read4Vecs(evtListMc, _mcList);
}
JpsiGamKsKlKKEventList::~JpsiGamKsKlKKEventList()
{
}
void JpsiGamKsKlKKEventList::read4Vecs(EventList& evtList, std::vector<JpsiGamKsKlKKEvtData*>& theEvtList)
{
Event* anEvent;
int evtCount = 0;
while ((anEvent = evtList.nextEvent())){
if ( evtCount%1000 == 0 ) Info << "4vec calculation for event " << evtCount ; // << endmsg;
Vector4<float> gam = *(anEvent->p4(0));
Vector4<float> ks = *(anEvent->p4(1));
Vector4<float> kl = *(anEvent->p4(2));
Vector4<float> kp = *(anEvent->p4(3));
Vector4<float> km = *(anEvent->p4(4));
Vector4<float> V4_psi = gam+ks+kl+kp+km;
if ( evtCount%1000 == 0 ){
Info << "psi 4vec" << "\n"
<< " px: " << V4_psi.Px() <<"\t"
<< " py: " << V4_psi.Py() <<"\t"
<< " pz: " << V4_psi.Pz() <<"\t"
<< " e : " << V4_psi.E() << "\t"
<< " m : " << V4_psi.M() ; // << endmsg;
}
Vector4<float> V4_all_Lab( ks+kl+kp+km+gam );
Vector4<float> V4_KsKlKpKm_Lab( ks+kl+kp+km );
Vector4<float> V4_KsKl_Lab( ks+kl );
Vector4<float> V4_Ks_Lab( ks );
Vector4<float> V4_KpKm_Lab( kp+km );
Vector4<float> V4_Kp_Lab( kp );
Vector4<float> V4_KsKlKpKm_HeliPsi( ks+kl+kp+km );
V4_KsKlKpKm_HeliPsi.Boost(V4_psi);
Vector4<float> V4_gamma_HeliPsi( gam );
V4_gamma_HeliPsi.Boost(V4_psi);
Vector4<float> V4_KpKm_HeliPsi( kp+km );
V4_KpKm_HeliPsi.Boost(V4_psi);
Vector4<float> V4_KsKl_HeliPsi( ks+kl );
V4_KsKl_HeliPsi.Boost(V4_psi);
Vector4<float> V4_KsKl_HeliKsKlKpKm( ks+kl );
V4_KsKl_HeliKsKlKpKm.Boost( ks+kl+kp+km );
Vector4<float> V4_KpKm_HeliKsKlKpKm( kp+km );
V4_KpKm_HeliKsKlKpKm.Boost( ks+kl+kp+km );
// Vector4<float> V4_Ks_HeliKsKl( ks );
// V4_Ks_HeliKsKl.Boost( ks+kl );
// Vector4<float> V4_Kp_HeliKpKm( kp );
// V4_Kp_HeliKpKm.Boost( kp+km );
Vector4<float> V4_Ks_HeliKsKl=helicityVec(V4_KsKlKpKm_Lab, V4_KsKl_Lab, V4_Ks_Lab);
Vector4<float> V4_Kp_HeliKpKm=helicityVec(V4_KsKlKpKm_Lab, V4_KpKm_Lab, V4_Kp_Lab);
// Vector4<float> V4_Ks_HeliKsKl=helicityVec(V4_all_Lab, V4_KsKl_Lab, V4_Ks_Lab);
// Vector4<float> V4_Kp_HeliKpKm=helicityVec(V4_all_Lab, V4_KpKm_Lab, V4_Kp_Lab);
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JpsiGamKsKlKKEvtData* theJpsiGamKsKlKKEvtData=new JpsiGamKsKlKKEvtData();
theJpsiGamKsKlKKEvtData->V4_Psi=V4_psi;
theJpsiGamKsKlKKEvtData->V4_KsKlKpKm_HeliPsi = V4_KsKlKpKm_HeliPsi;
theJpsiGamKsKlKKEvtData->V4_KsKlKpKm_HeliPsi = V4_KsKlKpKm_HeliPsi;
theJpsiGamKsKlKKEvtData->V4_KsKl_HeliPsi = V4_KsKl_HeliPsi;
theJpsiGamKsKlKKEvtData->V4_KpKm_HeliPsi = V4_KpKm_HeliPsi;
theJpsiGamKsKlKKEvtData->V4_gamma_HeliPsi = V4_gamma_HeliPsi;
theJpsiGamKsKlKKEvtData->V4_KsKl_HeliKsKlKpKm = V4_KsKl_HeliKsKlKpKm;
theJpsiGamKsKlKKEvtData->V4_KpKm_HeliKsKlKpKm = V4_KpKm_HeliKsKlKpKm;
theJpsiGamKsKlKKEvtData->V4_Ks_HeliKsKl = V4_Ks_HeliKsKl;
theJpsiGamKsKlKKEvtData->V4_Kp_HeliKpKm = V4_Kp_HeliKpKm;
// calculate and store WignerD functions for Psi -> X gamma (JPC =0-=, 0++, 2++)
Spin jPsi=1;
for (Spin M=-1; M<=1; M=M+2){
for (Spin lam=-1; lam<=1; lam++){
theJpsiGamKsKlKKEvtData->df_Psi[jPsi][M][lam]=Wigner_D(0.,V4_KsKlKpKm_HeliPsi.Theta(),0,jPsi,M,lam);
}
}
//WignerD function for 2+ -> phi phi
Spin jTensor =2;
for(Spin M=-jTensor; M<=jTensor; M++){
for (Spin lam=-2; lam<=2; lam++){
theJpsiGamKsKlKKEvtData->Df_Spin2[jTensor][M][lam] = Wigner_D(V4_KsKl_HeliKsKlKpKm.Phi(),V4_KsKl_HeliKsKlKpKm.Theta(), 0,jTensor,M,lam);
}
}
//WignerD function for 0-/0+ -> phi phi
Spin jScalar =0;
Spin M =0;
Spin lam =0;
theJpsiGamKsKlKKEvtData->Df_Spin0[jScalar][M][lam] = Wigner_D(V4_KsKl_HeliKsKlKpKm.Phi(),V4_KsKl_HeliKsKlKpKm.Theta(), 0,jScalar,M,lam);
//WignerD function for phi -> K+ K- and phi -> KS KL
Spin phiSpin=1;
for(Spin M=-phiSpin; M<=phiSpin; M++){
Spin lam=0;
theJpsiGamKsKlKKEvtData->Df_KsKl[phiSpin][M][lam] = Wigner_D(V4_Ks_HeliKsKl.Phi(),V4_Ks_HeliKsKl.Theta(), 0,phiSpin,M,lam);
theJpsiGamKsKlKKEvtData->Df_KpKm[phiSpin][M][lam] = Wigner_D(V4_Kp_HeliKpKm.Phi(),V4_Kp_HeliKpKm.Theta(), 0,phiSpin,M,lam);
}
theEvtList.push_back(theJpsiGamKsKlKKEvtData);
++evtCount;
}
}