rhopi Class Reference

#include <rhopi.h>

Inheritance diagram for rhopi:

Public Member Functions
	rhopi (EvtVector4R pd1, EvtVector4R pd2, EvtVector4R pd3)
double	F00 (double s)
double	F10 (double s)
double	amps1 (double s, int i, int j)
double	amps ()
	rhopi (EvtVector4R pd1, EvtVector4R pd2, EvtVector4R pd3)
double	F00 (double s)
double	F10 (double s)
double	amps1 (double s, int i, int j)
double	amps ()
	rhopi (const std::string &name, ISvcLocator *pSvcLocator)
StatusCode	initialize ()
StatusCode	execute ()
StatusCode	finalize ()

Detailed Description

Definition at line 60 of file bak-BesEvtGen-00-04-08/user/UserDIY.cc.

Constructor & Destructor Documentation

rhopi() [1/3]

rhopi::rhopi ( EvtVector4R  pd1, EvtVector4R  pd2, EvtVector4R  pd3  )

inline

Definition at line 62 of file bak-BesEvtGen-00-04-08/user/UserDIY.cc.

                                                        {
 _pd[0]=pd1;
 _pd[1]=pd2;
 _pd[2]=pd3;
 }

rhopi() [2/3]

rhopi::rhopi ( EvtVector4R  pd1, EvtVector4R  pd2, EvtVector4R  pd3  )

inline

Definition at line 62 of file BesEvtGen-00-04-08/user/UserDIY.cc.

                                                        {
 _pd[0]=pd1;
 _pd[1]=pd2;
 _pd[2]=pd3;
 }

rhopi() [3/3]

rhopi::rhopi	(	const std::string &	name,
		ISvcLocator *	pSvcLocator
	)

Definition at line 56 of file rhopi.cxx.

                                                            :
  Algorithm(name, pSvcLocator) {
  
  m_tuple4 = 0;
  m_tuple5 = 0;
 
  for(int i = 0; i < 12; i++) m_pass[i] = 0;
 
//Declare the properties
  declareProperty("Vr0cut", m_vr0cut=5.0);
  declareProperty("Vz0cut", m_vz0cut=15.0);
  declareProperty("EnergyThreshold", m_energyThreshold=0.03);
  declareProperty("GammaPhiCut", m_gammaPhiCut=20.0);
  declareProperty("GammaThetaCut", m_gammaThetaCut=20.0);
}

Member Function Documentation

amps() [1/2]

double rhopi::amps

(

)

Definition at line 104 of file bak-BesEvtGen-00-04-08/user/UserDIY.cc.

                   {
 double temp,s12,s13,s23;
 s12=(_pd[0]+_pd[1]).mass2();
 s13=(_pd[0]+_pd[2]).mass2();
 s23=(_pd[1]+_pd[2]).mass2();
 temp=amps1(s12,0,1)+amps1(s13,0,2)+amps1(s23,1,2);
 return temp;
 } 

amps() [2/2]

double rhopi::amps

(

)

amps1() [1/2]

double rhopi::amps1	(	double	s,
		int	i,
		int	j
	)

Definition at line 87 of file bak-BesEvtGen-00-04-08/user/UserDIY.cc.

                                          {
   double mrho=0.771,wrho=0.1492,dpro;
   EvtComplex img(0.0,1.0);
   dpro=pow(abs(s-mrho*mrho+img*sqrt(s)*wrho),2.);
   EvtVector4R prho;
   prho=_pd[i]+_pd[j];
   EvtHelSys angles(prho,_pd[i]),labAngles;
   double theta,phi,ct1,st1,phi1,st,ct,temp;
   theta=angles.getHelAng(1);
   phi  =angles.getHelAng(2);
   ct1 =labAngles.Angles(prho,1);
   phi1=labAngles.Angles(prho,2);
   st=sin(theta);ct=cos(theta);
   temp=pow(F00(s),2.)*pow(F10(s),2.)*pow(st,2.)/dpro; // *(1+pow(ct1,2.)+pow(st1,2.)*cos(2*(phi1+phi))); 
    return temp;
  }

Referenced by amps().

amps1() [2/2]

double rhopi::amps1	(	double	s,
		int	i,
		int	j
	)

execute()

StatusCode rhopi::execute

(

)

Definition at line 200 of file rhopi.cxx.

                          {
  
  StatusCode sc = StatusCode::SUCCESS;
 
  MsgStream log(msgSvc(), name());
//  log << MSG::INFO << "in execute()" << endreq;
 
  m_pass[0] += 1;
 
  SmartDataPtr<Event::EventHeader> eventHeader(eventSvc(),"/Event/EventHeader");
  //SmartDataPtr<EvtRecEvent> evtRecEvent(eventSvc(), EventModel::Recon::EvtRecEvent);
  SmartDataPtr<EvtRecEvent> evtRecEvent(eventSvc(), EventModel::EvtRec::EvtRecEvent);
  
//  SmartDataPtr<EvtRecTrackCol> evtRecTrkCol(eventSvc(), EventModel::Recon::EvtRecTrackCol);
  SmartDataPtr<EvtRecTrackCol> evtRecTrkCol(eventSvc(),  EventModel::EvtRec::EvtRecTrackCol);
  //
  // check x0, y0, z0, r0
  // suggest cut: |z0|<10 && r0<5
  //
 
  Vint ipip, ipim, iGood;
  iGood.clear();
  ipip.clear();
  ipim.clear();
 
  Vp4 ppip, ppim;
  ppip.clear();
  ppim.clear();
 
  int TotCharge = 0;
  for(int i = 0; i < evtRecEvent->totalCharged(); i++){
    EvtRecTrackIterator itTrk=evtRecTrkCol->begin() + i;
    if(!(*itTrk)->isMdcTrackValid()) continue;
    RecMdcTrack *mdcTrk = (*itTrk)->mdcTrack();
 
     m_pi_vx->Fill(mdcTrk->x());
     m_pi_vy->Fill(mdcTrk->y());
     m_pi_vz->Fill(mdcTrk->z());
 
    if(fabs(mdcTrk->z()) >= m_vz0cut) continue;
    if(mdcTrk->r() >= m_vr0cut) continue;
    iGood.push_back((*itTrk)->trackId());
    TotCharge += mdcTrk->charge();
  }
  //
  // Finish Good Charged Track Selection
  //
  int nGood = iGood.size();
    m_ngoodch = nGood;
 
  Vint iGam;
  iGam.clear();
  for(int i = evtRecEvent->totalCharged(); i< evtRecEvent->totalTracks(); i++) {
    EvtRecTrackIterator itTrk=evtRecTrkCol->begin() + i;
    if(!(*itTrk)->isEmcShowerValid()) continue;
    RecEmcShower *emcTrk = (*itTrk)->emcShower();
    Hep3Vector emcpos(emcTrk->x(), emcTrk->y(), emcTrk->z());
    // find the nearest charged track
    double dthe = 200.;
    double dphi = 200.;
    double dang = 200.;
    for(int j = 0; j < evtRecEvent->totalCharged(); j++) {
      EvtRecTrackIterator jtTrk = evtRecTrkCol->begin() + j;
      if(!(*jtTrk)->isExtTrackValid()) continue;
      RecExtTrack *extTrk = (*jtTrk)->extTrack();
      if(extTrk->emcVolumeNumber() == -1) continue;
      Hep3Vector extpos = extTrk->emcPosition();
      //      double ctht = extpos.cosTheta(emcpos);
      double angd = extpos.angle(emcpos);
      double thed = extpos.theta() - emcpos.theta();
      double phid = extpos.deltaPhi(emcpos);
      thed = fmod(thed+CLHEP::twopi+CLHEP::twopi+pi, CLHEP::twopi) - CLHEP::pi;
      phid = fmod(phid+CLHEP::twopi+CLHEP::twopi+pi, CLHEP::twopi) - CLHEP::pi;
      angd = fmod(angd, CLHEP::twopi);
 
      if(angd < dang){
              dang = angd;
              dthe = thed;
              dphi = phid;
        }
    }
 
    if(dang >= 200.) continue;
 
    double eraw = emcTrk->energy();
    dthe = dthe * 180 / (CLHEP::pi);
    dphi = dphi * 180 / (CLHEP::pi);
    dang = dang * 180 / (CLHEP::pi);
    if(eraw < m_energyThreshold) continue;
//    if((fabs(dthe) < m_gammaThetaCut) && (fabs(dphi)<m_gammaPhiCut) ) continue;
    //
    // good photon cut will be set here
    //
    iGam.push_back((*itTrk)->trackId());
  }
  //
  // Finish Good Photon Selection
  //
  int nGam = iGam.size();
    m_ngoodneu = nGam;
  //
  // Assign 4-momentum to each photon
  //
 
       HepLorentzVector ptcharg, ptneu, ptchargp, ptchargm;
       Vp4 pGam;
       pGam.clear();
  for(int i = 0; i < nGam; i++) {
    EvtRecTrackIterator itTrk = evtRecTrkCol->begin() + iGam[i];
    RecEmcShower* emcTrk = (*itTrk)->emcShower();
    double eraw = emcTrk->energy();
    double phi = emcTrk->phi();
    double the = emcTrk->theta();
    HepLorentzVector ptrk;
    ptrk.setPx(eraw*sin(the)*cos(phi));
    ptrk.setPy(eraw*sin(the)*sin(phi));
    ptrk.setPz(eraw*cos(the));
    ptrk.setE(eraw);
    pGam.push_back(ptrk);
  }
 
//
// Dedx Check ================
//
    for(int i = 0; i < nGood; i++) {
      EvtRecTrackIterator  itTrk = evtRecTrkCol->begin() + iGood[i];
      if(!(*itTrk)->isMdcTrackValid()) continue;
      if(!(*itTrk)->isMdcDedxValid())continue;
      RecMdcTrack* mdcTrk = (*itTrk)->mdcTrack();
      RecMdcDedx* dedxTrk = (*itTrk)->mdcDedx();
      m_chie_dedx -> Fill(dedxTrk->chiE());
      m_chimu_dedx -> Fill(dedxTrk->chiMu());
      m_chipi_dedx -> Fill(dedxTrk->chiPi());
      m_chik_dedx -> Fill(dedxTrk->chiK());
      m_chip_dedx -> Fill(dedxTrk->chiP());
    }
 
  //
  // Assign 4-momentum to each charged track
  //
 
     int TotQ = 0;
 
  ParticleID *pid = ParticleID::instance();
  for(int i = 0; i < nGood; i++) {
    EvtRecTrackIterator itTrk = evtRecTrkCol->begin() + iGood[i];
    //    if(pid) delete pid;
    pid->init();
    pid->setMethod(pid->methodProbability());
    pid->setChiMinCut(4);
    pid->setRecTrack(*itTrk);
    pid->usePidSys(pid->useDedx() | pid->useTof1() | pid->useTof2()); // use PID sub-system
    pid->identify(pid->onlyPion() | pid->onlyKaon());    // seperater Pion/Kaon
    pid->calculate();
    if(!(pid->IsPidInfoValid())) continue;
 
    if(!(*itTrk)->isMdcKalTrackValid()) continue ;
    RecMdcKalTrack* mdcKalTrk = (*itTrk)->mdcKalTrack();
    RecMdcTrack* mdcTrk = (*itTrk)->mdcTrack();
 
      TotQ += mdcKalTrk->charge();
 
//    RecMdcTrack* mdcTrk = (*itTrk)->mdcTrack();
 
//    if(pid->probPion() < 0.001 || (pid->probPion() < pid->probKaon())) continue;
    if(pid->probPion() < pid->probKaon()) continue;
      mdcKalTrk->setPidType(RecMdcKalTrack::pion);
      HepLorentzVector ptrk;
      ptrk.setPx(mdcKalTrk->px());
      ptrk.setPy(mdcKalTrk->py());
      ptrk.setPz(mdcKalTrk->pz());
      double p3 = ptrk.mag();
      ptrk.setE(sqrt(p3*p3+mpi*mpi));
    if(mdcTrk->charge() >0) {
      ipip.push_back(iGood[i]);
      ppip.push_back(ptrk);
    } else {
      ipim.push_back(iGood[i]);
      ppim.push_back(ptrk);
    }
  }
 
  int npip = ipip.size();
  int npim = ipim.size();
     m_npip = npip;
     m_npim = npim;
 
  if(nGood != 2 || TotCharge!=0) return sc;
  m_pass[1] += 1;
  if(nGam<2 ) return sc;
  m_pass[2] += 1;
 
//  if(npip != 1) return sc;
//  if(npip*npim != 1) return sc;
 
        HepLorentzVector BoostP(0.0,0.0,0.0,ecms);
           BoostP[0] = 2*sin(0.011)*(ecms/2);
        Hep3Vector u_Boost = -BoostP.boostVector();
 
  if(npip == 1) {
//
//---- Find the Best Pi0  -----
//
  HepLorentzVector p2g, ppi0;
  double delmpi = 999.;
  int ig11=-1, ig21=-1;
 
  for(int i = 0; i < nGam - 1; i++){
    for(int j = i+1; j < nGam; j++) {
      HepLorentzVector ppi0  = pGam[i] + pGam[j];
      if(fabs(ppi0.m()-mpi0c) > delmpi) continue;
      if(ppi0.m() > 0.2) continue;
      delmpi = fabs(ppi0.m()-mpi0c);
      ig11 = i;
      ig21 = j;
    }
  }
     if(ig11==-1 || ig21== -1) return sc;
     p2g = pGam[ig11] + pGam[ig21];
         m_m2graw = p2g.m();
 
         HepLorentzVector Ppip1 = ppip[0];
           Ppip1.boost(u_Boost);
           p2g.boost(u_Boost);
//
// ----- Pion Efficiency -----
//
//
//------ Missing pi- 
//
    HepLorentzVector Pmiss = -Ppip1 - p2g;
     m_pmiss = Pmiss.rho();
        double emiss = ecms - Ppip1.e() - p2g.e();
     m_emiss = emiss;
     m_mmiss = sqrt(fabs(emiss*emiss - Pmiss.rho()*Pmiss.rho()));
 
  HepLorentzVector Prho0, Prhop, Prhom, pmisspi, ptot;
     pmisspi.setPx(Pmiss.px());
     pmisspi.setPy(Pmiss.py());
     pmisspi.setPz(Pmiss.pz());
     pmisspi.setE(emiss);
 
      Prho0 = Ppip1 + pmisspi;
      Prhop = Ppip1 + p2g;
      Prhom = pmisspi + p2g;
      ptot = Ppip1 + pmisspi + p2g;
 
     m_pmrho0 = Prho0.rho();
     m_mmrho0 = Prho0.m();
//     m_prho0 = (Ppip1 + Ppim1).rho();
//     m_mrho0 = (Ppip1 + Ppim1).m();
     m_prhop = Prhop.rho();
     m_mrhop = Prhop.m();
//     m_prhom = (p2g + Ppim1).rho();
//     m_mrhom = (p2g + Ppim1).m();
     m_pmrhom = Prhom.rho();
     m_mmrhom = Prhom.m();
     m_ppipraw = Ppip1.rho();
 
           m_tuple5->write();
    }
 
  if(npip*npim != 1) return sc;
  m_pass[3] += 1;
 
         HepLorentzVector Ppim1 = ppim[0];
           Ppim1.boost(u_Boost);
         HepLorentzVector Ppip1 = ppip[0];
           Ppip1.boost(u_Boost);
 
  HepLorentzVector Pneumiss = -(Ppim1 + Ppip1);  
     m_pneumiss = Pneumiss.rho();
     double eneumiss = ecms - Ppim1.e() - Ppip1.e();
     m_eneumiss = eneumiss;
     m_mneumiss = sqrt(fabs(eneumiss*eneumiss - Pneumiss.rho()*Pneumiss.rho()));
 
//
//  Let's play vertex fit here
//
 HepPoint3D vx(0., 0., 0.);
  HepSymMatrix Evx(3, 0);
  double bx = 1E+6;
  double by = 1E+6;
  double bz = 1E+6;
  Evx[0][0] = bx*bx;
  Evx[1][1] = by*by;
  Evx[2][2] = bz*bz;
 
  VertexParameter vxpar;
  vxpar.setVx(vx);
  vxpar.setEvx(Evx);
 
  VertexFit* vtxfit = VertexFit::instance();
  KinematicFit * kmfit = KinematicFit::instance();
 
  RecMdcKalTrack *pipTrk = (*(evtRecTrkCol->begin()+ipip[0]))->mdcKalTrack();
  pipTrk->setPidType(RecMdcKalTrack::pion);
  WTrackParameter wpip0(mpi, pipTrk->helix(), pipTrk->err());
 
  pipTrk->setPidType(RecMdcKalTrack::kaon);
  WTrackParameter wkp0(mk, pipTrk->helix(), pipTrk->err());
 
  RecMdcKalTrack *pimTrk = (*(evtRecTrkCol->begin()+ipim[0]))->mdcKalTrack();
  pimTrk->setPidType(RecMdcKalTrack::pion);
  WTrackParameter wpim0(mpi, pimTrk->helix(), pimTrk->err());
 
  pimTrk->setPidType(RecMdcKalTrack::kaon);
  WTrackParameter wkm0(mk, pimTrk->helix(), pimTrk->err());
 
 
  vtxfit->init();
  vtxfit->AddTrack(0, wpip0);
  vtxfit->AddTrack(1, wpim0);
  vtxfit->AddVertex(0, vxpar,0, 1);
  if(!vtxfit->Fit(0)) return sc;
 
 
 
  m_pass[4] += 1;
 
  WTrackParameter wpip = vtxfit->wtrk(0);
  WTrackParameter wpim = vtxfit->wtrk(1);
 
//
//  Apply Kinematic 4C fit
// 
 
    double chisq4c = 9999.;
 
    int ig1 = -1; 
    int ig2 = -1;
 
    for(int i = 0; i < nGam-1; i++) {
     RecEmcShower *g1Trk = (*(evtRecTrkCol->begin()+iGam[i]))->emcShower();
      for(int j = i+1; j < nGam; j++) {
        RecEmcShower *g2Trk = (*(evtRecTrkCol->begin()+iGam[j]))->emcShower();
 
    kmfit->init();
    kmfit->AddTrack(0, wpip);
    kmfit->AddTrack(1, wpim);
        kmfit->AddTrack(2, 0.0, g1Trk);
        kmfit->AddTrack(3, 0.0, g2Trk);
    kmfit->AddFourMomentum(0, BoostP);
 
    if(!kmfit->Fit()) continue;
          double chi2 = kmfit->chisq();
          if(chi2 > chisq4c) continue;
            chisq4c = chi2;
            ig1 = i;
            ig2 = j;
        }    // gamma1
      }      // gamma2
 
 
  if(chisq4c > 500 || ig1 < 0) return sc; 
      RecEmcShower *g1Trk = (*(evtRecTrkCol->begin()+iGam[ig1]))->emcShower();
      RecEmcShower *g2Trk = (*(evtRecTrkCol->begin()+iGam[ig2]))->emcShower();
 
    kmfit->init();
    kmfit->AddTrack(0, wpip);
    kmfit->AddTrack(1, wpim);
        kmfit->AddTrack(2, 0.0, g1Trk);
        kmfit->AddTrack(3, 0.0, g2Trk);
    kmfit->AddFourMomentum(0, BoostP);
    if(!kmfit->Fit()) return sc;
          double chi = kmfit->chisq();
            m_chisq4c = chi;
       m_chisq_4c -> Fill(chi);
 
       HepLorentzVector p2gam = kmfit->pfit(2) + kmfit->pfit(3);
       m_ppi0=p2gam.rho();
       m_mpi0=p2gam.m();
 
       m_pi0_mass -> Fill(p2gam.m());
 
  m_pass[5] += 1;
 
//
//  Apply Kinematic 5C fit
// 
//
// 5c for J/psi-->pi+pi-pi0
//
    kmfit->init();
    kmfit->AddTrack(0, wpip);
    kmfit->AddTrack(1, wpim);
        kmfit->AddTrack(2, 0.0, g1Trk);
        kmfit->AddTrack(3, 0.0, g2Trk);
        kmfit->AddResonance(0,mpi0c,2,3);
    kmfit->AddFourMomentum(1, BoostP);
    if(!kmfit->Fit()) return sc;
          double chis = kmfit->chisq();
 
    m_pass[6] += 1;
//
// 5c for J/psi-->K+K-pi0
//
     double chisk5c = 9999.;  
 
      vtxfit->init();
      vtxfit->AddTrack(0, wkp0);
      vtxfit->AddTrack(1, wkm0);
      vtxfit->AddVertex(0, vxpar,0, 1);
 
      if(vtxfit->Fit(0)){
 
      WTrackParameter wkp = vtxfit->wtrk(0);
      WTrackParameter wkm = vtxfit->wtrk(1);
 
    kmfit->init();
    kmfit->AddTrack(0, wkp);
    kmfit->AddTrack(1, wkm);
        kmfit->AddTrack(2, 0.0, g1Trk);
        kmfit->AddTrack(3, 0.0, g2Trk);
        kmfit->AddResonance(0,mpi0c,2,3);
    kmfit->AddFourMomentum(1, BoostP);
    if(kmfit->Fit()) chisk5c = kmfit->chisq();
      }
      if(chisk5c<chis) return sc;
 
      m_pass[7] += 1;
      //
      // 5c Fit again for J/psi-->pi+pi-pi0
      //
      kmfit->init();
      kmfit->AddTrack(0, wpip);
      kmfit->AddTrack(1, wpim);
      kmfit->AddTrack(2, 0.0, g1Trk);
      kmfit->AddTrack(3, 0.0, g2Trk);
      kmfit->AddResonance(0,mpi0c,2,3);
      kmfit->AddFourMomentum(1, BoostP);
      if(!kmfit->Fit(0)) return sc;
      if(!kmfit->Fit()) return sc;
 
      m_pass[8] += 1;
      m_chisq5c = kmfit->chisq();
 
      m_chisq_5c -> Fill(kmfit->chisq());
 
      HepLorentzVector ppi1 = kmfit->pfit(0);
      HepLorentzVector ppi2 = kmfit->pfit(1);
      HepLorentzVector pgam1 = kmfit->pfit(2);
      HepLorentzVector pgam2 = kmfit->pfit(3);
      HepLorentzVector p2gam1 = kmfit->pfit(2) + kmfit->pfit(3);
      HepLorentzVector p2pi = kmfit->pfit(0) + kmfit->pfit(1);
      m_ppi0fit = p2gam1.rho();
      m_mpi0fit = p2gam1.m();
      m_ppip = ppi1.rho();
      m_ppim = ppi2.rho();
      m_p2pi = p2pi.rho();
      m_m2pi = p2pi.m();
      m_ppip0 = (ppi1+p2gam1).rho();
      m_mpip0 = (ppi1+p2gam1).m();
      m_ppim0 = (ppi2+p2gam1).rho();
      m_mpim0 = (ppi2+p2gam1).m();
 
      m_pip_mom -> Fill(ppi1.rho());
      m_pim_mom -> Fill(ppi2.rho());
      m_rho0_mass -> Fill(p2pi.m());
      m_rhop_mass -> Fill((ppi1+p2gam1).m());
      m_rhom_mass -> Fill((ppi2+p2gam1).m());
 
      //--------------Angle between two charged pions ---------
      double theta2pi= ppi1.px()*ppi2.px()+ppi1.py()*ppi2.py()+ppi1.pz()*ppi2.pz();
      double time2pi = ppi1.rho()*ppi2.rho();
      if(time2pi == 0.) return sc;
 
      m_pass[9] += 1;
 
      theta2pi = theta2pi/time2pi;
 
      //         cout <<"time2pi=====" << time2pi <<endl;
 
      if(theta2pi <= -1.) theta2pi=180.;
      else if(theta2pi >= 1.) theta2pi=0.;
      else if(fabs(theta2pi) < 1.) theta2pi = acos(theta2pi)*180./3.14159;
      m_theta2pi=theta2pi;
 
      //----- Theta angle of gamma in pi0 system --------
      HepLorentzVector pg1inpi0, pg2inpi0;
 
      //       HepLorentzVector betapi0 = p2gam1/(p2gam1.e());
      double betapi0 = p2gam1.beta();
      //    ==================================  
      Hep3Vector twogam(p2gam.px(),p2gam.py(),p2gam.pz());
      //       CLHEP::boostOf(pg1inpi0,gam1,betapi0);
      m_g1inpi0the = ((boostOf(pgam1,twogam/p2gam.rho(),betapi0)).theta())*180./3.14159;
      m_g2inpi0the = ((boostOf(pgam2,twogam/p2gam.rho(),betapi0)).theta())*180./3.14159;
      /*
      //
      // ----- Pion Efficiency -----
      //
      HepLorentzVector p2g = pGam[ig1] + pGam[ig2];
      m_m2graw = p2g.m();
      p2g.boost(u_Boost);
      //
      //------ Missing pi- 
      //
      HepLorentzVector Pmiss = -Ppip1 - p2g;
      m_pmiss = Pmiss.rho();
      double emiss = ecms - Ppip1.e() - p2g.e();
      m_emiss = emiss;
      m_mmiss = sqrt(fabs(emiss*emiss - Pmiss.rho()*Pmiss.rho()));
 
      HepLorentzVector Prho0, Prhop, Prhom, pmisspi, ptot;
      pmisspi.setPx(Pmiss.px());
      pmisspi.setPy(Pmiss.py());
      pmisspi.setPz(Pmiss.pz());
      pmisspi.setE(emiss);
 
      Prho0 = Ppip1 + pmisspi;
      Prhop = Ppip1 + p2g;
      Prhom = pmisspi + p2g;
      ptot = Ppip1 + pmisspi + p2g;
 
      m_pmrho0 = Prho0.rho();
      m_mmrho0 = Prho0.m();
      m_prho0 = (Ppip1 + Ppim1).rho();
      m_mrho0 = (Ppip1 + Ppim1).m();
      m_prhop = Prhop.rho();
      m_mrhop = Prhop.m();
      m_prhom = (p2g + Ppim1).rho();
      m_mrhom = (p2g + Ppim1).m();
      m_pmrhom = Prhom.rho();
      m_mmrhom = Prhom.m();
       */
      m_tuple4->write();
 
      return StatusCode::SUCCESS;
}

F00() [1/2]

double rhopi::F00

(

double

s

)

Definition at line 76 of file bak-BesEvtGen-00-04-08/user/UserDIY.cc.

                           {
  double mpi=0.1395;
  return sqrt(s-4*mpi*mpi)/sqrt(s);
  }

Referenced by amps1().

F00() [2/2]

double rhopi::F00

(

double

s

)

F10() [1/2]

double rhopi::F10

(

double

s

)

Definition at line 81 of file bak-BesEvtGen-00-04-08/user/UserDIY.cc.

                            {
    double mpi=0.1395,mpsi=3.096916;
    double tep=sqrt((mpsi*mpsi-pow(mpi+sqrt(s),2.))*(mpsi*mpsi-pow(mpi-sqrt(s),2.)));
   return tep;
  }

Referenced by amps1().

F10() [2/2]

double rhopi::F10

(

double

s

)

finalize()

StatusCode rhopi::finalize

(

)

Definition at line 732 of file rhopi.cxx.

                           {
 
    MsgStream log(msgSvc(), name());
    log << MSG::ALWAYS << "Total Entries :        " << m_pass[0] << endreq;
    log << MSG::ALWAYS << "Ncharge=2 Cut :        " << m_pass[1] << endreq;
    log << MSG::ALWAYS << "Ngam<2 cut :           " << m_pass[2] << endreq;
    log << MSG::ALWAYS << "Nch+=1,Nch-=1 cut :    " << m_pass[3] << endreq;
    log << MSG::ALWAYS << "Vertex Fit :           " << m_pass[4] << endreq;
    log << MSG::ALWAYS << "4c-Fit :               " << m_pass[5] << endreq;
    log << MSG::ALWAYS << "5c-Fit :               " << m_pass[6] << endreq;
    log << MSG::ALWAYS << "chi3pi<chikkpi cut :   " << m_pass[7] << endreq;
    log << MSG::ALWAYS << "5c-Fit Again:          " << m_pass[8] << endreq;
    log << MSG::ALWAYS << "Final :                " << m_pass[9] << endreq;
    return StatusCode::SUCCESS;
}

initialize()

StatusCode rhopi::initialize

(

)

Definition at line 73 of file rhopi.cxx.

                            {
  MsgStream log(msgSvc(), name());
 
  log << MSG::INFO << "in initialize()" << endmsg;
  
  StatusCode status;
 
     status = service("THistSvc", m_thistsvc);
     if(status.isFailure() ){
          log << MSG::INFO << "Unable to retrieve pointer to THistSvc" << endreq;
          return status;
     }
     m_pi_vx = new TH1F( "pi_vx", "pi_vx", 100,-1.0,1.0 );
     status = m_thistsvc->regHist("/VAL/PHY/pi_vx", m_pi_vx);
     m_pi_vy = new TH1F( "pi_vy", "pi_vy", 100,-1.0,1.0 );
     status = m_thistsvc->regHist("/VAL/PHY/pi_vy", m_pi_vy);
     m_pi_vz = new TH1F( "pi_vz", "pi_vz", 100,-6.0,6.0 );
     status = m_thistsvc->regHist("/VAL/PHY/pi_vz", m_pi_vz);
     m_pip_mom = new TH1F( "pip_mom", "pip_moment", 100,0.0,1.6 );
     status = m_thistsvc->regHist("/VAL/PHY/pip_mom", m_pip_mom);
     m_pim_mom = new TH1F( "pim_mom", "pim_moment", 100,0.0,1.6 );
     status = m_thistsvc->regHist("/VAL/PHY/pim_mom", m_pim_mom);
     m_rhop_mass = new TH1F( "rhop_mass", "rhop_mass", 100,0.0,1.5 );
     status = m_thistsvc->regHist("/VAL/PHY/rhop_mass", m_rhop_mass);
     m_rhom_mass = new TH1F( "rhom_mass", "rhom_mass", 100,0.0,1.5 );
     status = m_thistsvc->regHist("/VAL/PHY/rhom_mass", m_rhom_mass);
     m_rho0_mass = new TH1F( "rho0_mass", "rho0_mass", 100,0.0,1.5 );
     status = m_thistsvc->regHist("/VAL/PHY/rho0_mass", m_rho0_mass);
     m_pi0_mass = new TH1F( "pi0_mass", "pi0_mass", 100,0.0,0.5 );
     status = m_thistsvc->regHist("/VAL/PHY/pi0_mass", m_pi0_mass);
     m_chisq_4c = new TH1F( "chisq_4c", "chisq_4c", 100,0.0,150. );
     status = m_thistsvc->regHist("/VAL/PHY/chisq_4c", m_chisq_4c);
     m_chisq_5c = new TH1F( "chisq_5c", "chisq_5c", 100,0.0,150. );
     status = m_thistsvc->regHist("/VAL/PHY/chisq_5c", m_chisq_5c);
     
     m_cos_pip = new TH1F( "cos_pip", "cos_pip", 100, -1.0,1.0);
     status = m_thistsvc->regHist("/VAL/PHY/cos_pip", m_cos_pip);
     m_cos_pim = new TH1F( "cos_pim", "cos_pim", 100, -1.0,1.0);
     status = m_thistsvc->regHist("/VAL/PHY/cos_pim", m_cos_pim);
 
     m_chipi_dedx = new TH1F( "chipi_dedx", "chipi_dedx", 60,-5.0,10. );
     status = m_thistsvc->regHist("/VAL/PHY/chipi_dedx", m_chipi_dedx);
     m_chie_dedx = new TH1F( "chie_dedx", "chie_dedx", 60,-15.0,5. );
     status = m_thistsvc->regHist("/VAL/PHY/chie_dedx", m_chie_dedx);
     m_chimu_dedx = new TH1F( "chimu_dedx", "chimu_dedx", 60,-5.0,10. );
     status = m_thistsvc->regHist("/VAL/PHY/chimu_dedx", m_chimu_dedx);
     m_chik_dedx = new TH1F( "chik_dedx", "chik_dedx", 100,-20.0,10. );
     status = m_thistsvc->regHist("/VAL/PHY/chik_dedx", m_chik_dedx);
     m_chip_dedx = new TH1F( "chip_dedx", "chip_dedx", 100,-20.0,5. );
     status = m_thistsvc->regHist("/VAL/PHY/chip_dedx", m_chip_dedx);
 
    NTuplePtr nt4(ntupleSvc(), "FILE1/h4");
    if ( nt4 ) m_tuple4 = nt4;
    else {
      m_tuple4 = ntupleSvc()->book ("FILE1/h4", CLID_ColumnWiseTuple, "4gam6pi Ntuple");
      if ( m_tuple4 )    {
    status = m_tuple4->addItem ("ngam",           m_ngoodneu);
    status = m_tuple4->addItem ("npip",           m_npip);
    status = m_tuple4->addItem ("npim",           m_npim);
    status = m_tuple4->addItem ("ngoodch",        m_ngoodch);
    status = m_tuple4->addItem ("chisq4c",        m_chisq4c);
    status = m_tuple4->addItem ("ppi04c",         m_ppi0);
    status = m_tuple4->addItem ("mpi04c",         m_mpi0);
    status = m_tuple4->addItem ("chisq5c",        m_chisq5c);
    status = m_tuple4->addItem ("ppi05c",         m_ppi0fit);
    status = m_tuple4->addItem ("mpi05c",         m_mpi0fit);
    status = m_tuple4->addItem ("g1inpi0the",     m_g1inpi0the);
    status = m_tuple4->addItem ("g2inpi0the",     m_g2inpi0the);
    status = m_tuple4->addItem ("theta2pi",       m_theta2pi);
    status = m_tuple4->addItem ("ppip",           m_ppip);
    status = m_tuple4->addItem ("ppim",           m_ppim);
    status = m_tuple4->addItem ("p2pi",           m_p2pi);
    status = m_tuple4->addItem ("m2pi",           m_m2pi);
    status = m_tuple4->addItem ("ppip0",          m_ppip0);
    status = m_tuple4->addItem ("mpip0",          m_mpip0);
    status = m_tuple4->addItem ("ppim0",          m_ppim0);
    status = m_tuple4->addItem ("mpim0",          m_mpim0);
    status = m_tuple4->addItem ("eneumiss",       m_eneumiss);
    status = m_tuple4->addItem ("pneumiss",       m_pneumiss);
    status = m_tuple4->addItem ("mneumiss",       m_mneumiss);
//  status = m_tuple4->addIndexedItem ("kal_cos",  m_ngoodch , m_kal_cos);
      }
      else    { 
    log << MSG::ERROR << "    Cannot book N-tuple:" << long(m_tuple4) << endmsg;
    return StatusCode::FAILURE;
      }
    }
 
    NTuplePtr nt5(ntupleSvc(), "FILE1/h5");
    if ( nt5 ) m_tuple5 = nt5;
    else {
      m_tuple5 = ntupleSvc()->book ("FILE1/h5", CLID_ColumnWiseTuple, "4gam6pi Ntuple");
      if ( m_tuple5 )    {
    status = m_tuple5->addItem ("m2graw",         m_m2graw);
    status = m_tuple5->addItem ("emiss",          m_emiss);
    status = m_tuple5->addItem ("pmiss",          m_pmiss);
    status = m_tuple5->addItem ("mmiss",          m_mmiss);
    status = m_tuple5->addItem ("prho0",          m_prho0);
    status = m_tuple5->addItem ("mrho0",          m_mrho0);
    status = m_tuple5->addItem ("pmrho0",         m_pmrho0);
    status = m_tuple5->addItem ("mmrho0",         m_mmrho0);
    status = m_tuple5->addItem ("prhop",          m_prhop);
    status = m_tuple5->addItem ("mrhop",          m_mrhop);
    status = m_tuple5->addItem ("pmrhom",         m_pmrhom);
    status = m_tuple5->addItem ("mmrhom",         m_mmrhom);
    status = m_tuple5->addItem ("prhom",          m_prhom);
    status = m_tuple5->addItem ("ppipraw",        m_ppipraw);
    status = m_tuple5->addItem ("mrhom",          m_mrhom);
 
      }
      else    { 
    log << MSG::ERROR << "    Cannot book N-tuple:" << long(m_tuple4) << endmsg;
    return StatusCode::FAILURE;
      }
    }
 
 
  //
  //--------end of book--------
  //
 
  log << MSG::INFO << "successfully return from initialize()" <<endmsg;
  return StatusCode::SUCCESS;
 
}

---

The documentation for this class was generated from the following files:

• bak-BesEvtGen-00-04-08/user/UserDIY.cc
• BesEvtGen-00-04-08/user/UserDIY.cc
• rhopi.h
• rhopi.cxx