fName = "DPMJET";
fTitle= "Particle Generator using DPMJET";
- SetBeamEnergy();
SetEnergyCMS();
SetTarget();
SetProjectile();
{
// Initialization
- SetMC(new TDPMjet(fAProjectile, fZProjectile, fATarget, fZTarget,
+ SetMC(new TDPMjet(fProcess, fAProjectile, fZProjectile, fATarget, fZTarget,
fBeamEn,fEnergyCMS));
fDPMjet=(TDPMjet*) fMCEvGen;
if (fAProjectile == 1 && fZProjectile == 1) fDPMjet->SetfIdp(1);
fDPMjet->SetfFCentr(fICentr);
- fDPMjet->SetbRange(fMinImpactParam,fMaxImpactParam);
+ fDPMjet->SetbRange(fMinImpactParam, fMaxImpactParam);
//
// Initialize DPMjet
//
fDPMjet->Initialize();
- //if (fEvaluate) EvaluateCrossSections();
-
- // Initialize AliIonPDGCodes to define ion PDG codes
- /*AliIonPDGCodes *PDGcodes = new AliIonPDGCodes();
- PDGcodes->AddParticlesToPdgDataBase();
- PDGcodes->MapPDGGEant3Codes();*/
}
Float_t polar[3] = {0,0,0};
Float_t origin[3] = {0,0,0};
Float_t origin0[3] = {0,0,0};
- Float_t p[3], random[6];
+ Float_t p[3];
Float_t tof;
// converts from mm/c to s
const Float_t kconv = 0.001/2.999792458e8;
Int_t nt = 0;
Int_t jev = 0;
- Int_t j, kf, ks, imo;
+ Int_t kf, ks, imo;
kf = 0;
-
fTrials = 0;
- for (j = 0;j < 3; j++) origin0[j] = fOrigin[j];
- if(fVertexSmear == kPerEvent) {
- Float_t dv[3];
- dv[2] = 1.e10;
- while(TMath::Abs(dv[2])>fCutVertexZ*fOsigma[2]) {
- Rndm(random,6);
- for (j=0; j < 3; j++) {
- dv[j] = fOsigma[j]*TMath::Cos(2*random[2*j]*TMath::Pi())*
- TMath::Sqrt(-2*TMath::Log(random[2*j+1]));
- }
- }
- for (j=0; j < 3; j++) origin0[j] += dv[j];
- }
+ // Set collision vertex position
+ if (fVertexSmear == kPerEvent) Vertex();
while(1)
{
// Get event vertex
- //TParticle *iparticle = (TParticle*) fParticles->At(0);
fVertex[0] = origin0[0];
fVertex[1] = origin0[1];
fVertex[2] = origin0[2];
- //for(int jj=0; jj<3; jj++) printf(" fEventVertex[%d] = %f\n",jj,fEventVertex[jj]);
// First select parent particles
for (i = 0; i<np; i++) {
TParticle *iparticle = (TParticle *) fParticles->At(i);
- //if(!iparticle) iparticle->Print("");
// Is this a parent particle ?
for (i=0; i<np; i++) {
TParticle *iparticle = (TParticle *) fParticles->At(i);
- //if(!iparticle) printf(" i = %d -> iparticle==0\n",i);
// Is this a final state particle ?
for (i = 0; i<np; i++) {
TParticle * iparticle = (TParticle *) fParticles->At(i);
Bool_t hasMother = (iparticle->GetFirstMother()>=0);
-// Bool_t hasDaughter = (iparticle->GetFirstDaughter()>=0);
-
if (pSelected[i]) {
kf = iparticle->GetPdgCode();
- if(kf==99999) continue;
ks = iparticle->GetStatusCode();
p[0] = iparticle->Px();
p[1] = iparticle->Py();
p[2] = iparticle->Pz();
- origin[0] = origin0[0]+iparticle->Vx()/10;
- origin[1] = origin0[1]+iparticle->Vy()/10;
- origin[2] = origin0[2]+iparticle->Vz()/10;
+ origin[0] = fVertex[0]+iparticle->Vx()/10; // [cm]
+ origin[1] = fVertex[1]+iparticle->Vy()/10; // [cm]
+ origin[2] = fVertex[2]+iparticle->Vz()/10; // [cm]
+
tof = kconv*iparticle->T();
imo = -1;
imo = (mother->GetPdgCode() != 92) ? imo = newPos[imo] : -1;
} // if has mother
- // --- Nucleons and photons from nucleus evaporation
- //if(ks==-1 && (kf==2212 || kf==2112 || kf==22)) imo=-1;
-
- // --- Offset added to nuclei, alpha particles, deuteron
- // --- and triton PDG codes (according to TGeant3 PDG codes)
- //if(ks==1000 || ks==1001) kf += 10000000;
- if(kf>10000) kf += 10000000;
-
- if(kf>10000 || ks==1000 || ks==1001) printf(" kf = %d, ks = %d imo = %d \n", kf,ks,imo);
-
-
Bool_t tFlag = (fTrackIt && (ks == 1));
-/* // --- Particle NOT to be tracked:
- // --- (1) chains from valence quark system (idhkk=99999)
- // --- (2) quark, diquarks and gluons (idhkk=1->8,...,idhkk=21)
- if(kf==99999 || kf==1 || kf==2 || kf==3 || kf==4 || kf==5 ||
- kf==6 || kf==7 || kf==8 || kf==21 ||
- kf==1103 || kf==2101 || kf==2103 || kf==2203 || kf==3101 ||
- kf==3103 || kf==3201 || kf==3203 || kf==3303 || kf==4101 ||
- kf==4103 || kf==4201 || kf==4203 || kf==4301 || kf==4303 ||
- kf==4403 || kf==5101 || kf==5103 || kf==5201 || kf==5203 ||
- kf==5301 || kf==5303 || kf==5401 || kf==5403 || kf==5503)
- tFlag=kFALSE;
-*/
PushTrack(tFlag,imo,kf,p,origin,polar,tof,kPNoProcess,nt, 1., ks);
KeepTrack(nt);
newPos[i] = nt;
} // particle loop
delete[] newPos;
delete[] pSelected;
-
- printf("\n I've put %i particles on the stack \n",nc);
if (nc>0) {
jev += nc;
if (jev >= fNpart || fNpart == -1) {
- printf("\n Trials: %i %i %i\n",fTrials, fNpart, jev);
break;
}
- printf("\n Not breaking ### Trials: %i %i %i\n",fTrials, fNpart, jev);
}
} // event loop
MakeHeader();
}
-
-
-//______________________________________________________________________________
-/*void AliGenDPMjet::Boost(TClonesArray* particles)
-{
-//
-// Boost cms into LHC lab frame
-//
- Double_t dy = - 0.5 * TMath::Log(Double_t(fZProjectile) * Double_t(fATarget) /
- (Double_t(fZTarget) * Double_t(fAProjectile)));
- Double_t beta = TMath::TanH(dy);
- Double_t gamma = 1./TMath::Sqrt(1.-beta*beta);
- Double_t gb = gamma * beta;
-
- printf("\n Boosting particles to lab frame %f %f %f", dy, beta, gamma);
-
- Int_t i;
- Int_t np = particles->GetEntriesFast();
- for (i = 0; i < np; i++)
- {
- TParticle* iparticle = (TParticle*) fParticles->At(i);
-
- Double_t e = iparticle->Energy();
- Double_t px = iparticle->Px();
- Double_t py = iparticle->Py();
- Double_t pz = iparticle->Pz();
-
- Double_t eb = gamma * e - gb * pz;
- Double_t pzb = -gb * e + gamma * pz;
-
- iparticle->SetMomentum(px, py, pzb, eb);
- }
-}*/
-
-
-
//______________________________________________________________________________
void AliGenDPMjet::MakeHeader()
{
((AliGenDPMjetEventHeader*) header)->SetNProduced(fDPMjet->GetNumStablePc());
((AliGenDPMjetEventHeader*) header)->SetImpactParameter(fDPMjet->GetBImpac());
((AliGenDPMjetEventHeader*) header)->SetTotalEnergy(fDPMjet->GetTotEnergy());
-// ((AliGenDPMjetEventHeader*) header)->SetWounded(fDPMjet->GetProjWounded(),
-// fDPMjet->GetTargWounded());
((AliGenDPMjetEventHeader*) header)->SetParticipants(fDPMjet->GetfIp(),
fDPMjet->GetfIt());
- /*((AliGenDPMjetEventHeader*) header)->SetCollisions(fDPMjet->GetN0(),
- fDPMjet->GetN01(),
- fDPMjet->GetN10(),
- fDPMjet->GetN11());*/
- ((AliGenDPMjetEventHeader*) header)->SetSpectators(fSpecn, fSpecp);
// Bookkeeping for kinematic bias
((AliGenDPMjetEventHeader*) header)->SetTrials(fTrials);
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff