fProbintp[i] = 0;
fProbintn[i] = 0;
}
- for(j=0; j<3; j++){
- fPp[i] = 0;
- }
+ for(j=0; j<3; j++) fPp[i] = 0;
fDebugOpt = 0;
}
//_____________________________________________________________________________
void AliGenZDC::Init()
{
- printf("\n\n AliGenZDC initialized with:\n");
- printf(" Fermi flag = %d, Beam Divergence = %f, Crossing Angle "
- "= %f, Crossing Plane = %d\n\n", fFermiflag, fBeamDiv, fBeamCrossAngle,
+ printf("\n\n AliGenZDC initialization:\n");
+ printf(" Particle: %d, Track cosines: x = %f, y = %f, z = %f \n",
+ fIpart,fCosx,fCosy,fCosz);
+ printf(" Fermi flag = %d, Beam divergence = %f, Crossing angle "
+ "= %f, Crossing plane = %d\n\n", fFermiflag, fBeamDiv, fBeamCrossAngle,
fBeamCrossPlane);
//Initialize Fermi momentum distributions for Pb-Pb
pLab[1] = 0.;
pLab[2] = ptot*TMath::Cos(scang);
}
- for(i=0; i<=2; i++){
- fP[i] = pLab[i];
+ for(i=0; i<=2; i++) fP[i] = pLab[i];
+ if(fDebugOpt == 1){
+ printf("\n\n Particle momentum before divergence and crossing\n");
+ for(i=0; i<=2; i++)printf(" pLab[%d] = %f\n",i,pLab[i]);
}
-
// Beam divergence and crossing angle
if(fBeamCrossAngle!=0.) {
BeamDivCross(1,fBeamDiv,fBeamCrossAngle,fBeamCrossPlane,pLab);
- for(i=0; i<=2; i++){
- fP[i] = pLab[i];
- }
+ for(i=0; i<=2; i++) fP[i] = pLab[i];
}
if(fBeamDiv!=0.) {
BeamDivCross(0,fBeamDiv,fBeamCrossAngle,fBeamCrossPlane,pLab);
- for(i=0; i<=2; i++){
- fP[i] = pLab[i];
- }
+ for(i=0; i<=2; i++) fP[i] = pLab[i];
}
// If required apply the Fermi momentum
if(fFermiflag==1){
- if((fIpart==kProton) || (fIpart==kNeutron)){
+ if((fIpart==kProton) || (fIpart==kNeutron))
ExtractFermi(fIpart,fPp,fProbintp,fProbintn,ddp);
- }
Mass=gAlice->PDGDB()->GetParticle(fIpart)->Mass();
fP0 = TMath::Sqrt(fP[0]*fP[0]+fP[1]*fP[1]+fP[2]*fP[2]+Mass*Mass);
- for(i=0; i<=2; i++){
- dddp[i] = ddp[i];
- }
+ for(i=0; i<=2; i++) dddp[i] = ddp[i];
dddp0 = TMath::Sqrt(dddp[0]*dddp[0]+dddp[1]*dddp[1]+dddp[2]*dddp[2]+Mass*Mass);
TVector3 b(fP[0]/fP0, fP[1]/fP0, fP[2]/fP0);
}
- for(i=0; i<=2; i++){
- fPTrack[i] = fP[i];
- }
+ for(i=0; i<=2; i++) fPTrack[i] = fP[i];
Float_t polar[3] = {0,0,0};
gAlice->GetMCApp()->PushTrack(fTrackIt,-1,fIpart,fPTrack,fOrigin.GetArray(),polar,0,
}
if(fDebugOpt == 1){
printf("\n\n Initialization of Fermi momenta distribution \n");
- for(Int_t i=0; i<=200; i++){
- printf(" fProbintp[%d] = %f, fProbintn[%d] = %f\n",i,fProbintp[i],i,fProbintn[i]);
- }
+ //for(Int_t i=0; i<=200; i++)
+ // printf(" fProbintp[%d] = %f, fProbintn[%d] = %f\n",i,fProbintp[i],i,fProbintn[i]);
}
}
//_____________________________________________________________________________
Double_t tetpart, fipart, tetdiv=0, fidiv=0, angleSum[2], tetsum, fisum;
Double_t rvec;
- Int_t i;
+ Int_t sign=0;
+ if(pLab[2]>=0.) sign=1;
+ else sign=-1;
Double_t pmq = 0.;
- for(i=0; i<=2; i++){
- pmq = pmq+pLab[i]*pLab[i];
- }
+ Int_t i;
+ for(i=0; i<=2; i++) pmq = pmq+pLab[i]*pLab[i];
Double_t pmod = TMath::Sqrt(pmq);
if(icross==0){
}
tetpart = TMath::ATan(TMath::Sqrt(pLab[0]*pLab[0]+pLab[1]*pLab[1])/pLab[2]);
- if(pLab[1]!=0. || pLab[0]!=0.){
- fipart = TMath::ATan2(pLab[1],pLab[0]);
- }
- else{
- fipart = 0.;
- }
+ if(pLab[1]!=0. || pLab[0]!=0.) fipart = TMath::ATan2(pLab[1],pLab[0]);
+ else fipart = 0.;
if(fipart<0.) {fipart = fipart+k2PI;}
tetdiv = tetdiv*kRaddeg;
fidiv = fidiv*kRaddeg;
fisum = fisum*kDegrad;
pLab[0] = pmod*TMath::Sin(tetsum)*TMath::Cos(fisum);
pLab[1] = pmod*TMath::Sin(tetsum)*TMath::Sin(fisum);
- pLab[2] = pmod*TMath::Cos(tetsum);
+ if(sign==1) pLab[2] = pmod*TMath::Cos(tetsum);
+ else pLab[2] = -pmod*TMath::Cos(tetsum);
if(fDebugOpt == 1){
printf("\n\n Beam divergence and crossing angle\n");
- for(i=0; i<=2; i++){
- printf(" pLab[%d] = %f\n",i,pLab[i]);
- }
+ for(i=0; i<=2; i++)printf(" pLab[%d] = %f\n",i,pLab[i]);
}
}