// Fill MC histograms independently of AOD or ESD
//Select only hadrons in pt range
- if(mcAssocPt < fMinAssocPt || mcAssocPt > fMaxAssocPt) return kTRUE ; // exclude but continue
+ if( mcAssocPt < fMinAssocPt || mcAssocPt > fMaxAssocPt ) return kTRUE ; // exclude but continue
- if(mcAssocPhi < 0) mcAssocPhi+=TMath::TwoPi();
+ if( mcAssocPhi < 0 ) mcAssocPhi+=TMath::TwoPi();
//remove trigger itself for correlation when use charged triggers
if(TMath::Abs(mcAssocPt -mcTrigPt ) < 1e-6 &&
TMath::Abs(mcAssocEta-mcTrigEta) < 1e-6) return kTRUE ; // exclude but continue
// Absolute leading?
- if( fMakeAbsoluteLeading && mcAssocPt > mcTrigPt ) return kFALSE; // jump event
+ if( fMakeAbsoluteLeading && mcAssocPt > mcTrigPt ) return kFALSE; // skip event
- //jump out this event if near side associated partile pt larger than trigger
+ // Skip this event if near side associated particle pt larger than trigger
if( fMakeNearSideLeading && mcAssocPt > mcTrigPt &&
- TMath::Abs(mcAssocPhi-mcTrigPhi)<TMath::PiOver2() ) return kFALSE; // jump event
+ TMath::Abs(mcAssocPhi-mcTrigPhi)<TMath::PiOver2() ) return kFALSE; // skip event
Float_t mcdeltaPhi= mcTrigPhi-mcAssocPhi;
if(mcdeltaPhi <= -TMath::PiOver2()) mcdeltaPhi+=TMath::TwoPi();
Double_t mcpout = mcAssocPt*TMath::Sin(mcdeltaPhi) ;
- if(GetDebug() > 0 )
- printf("AliAnaParticleHadronCorrelation::MakeMCChargedCorrelation() - Charged hadron: track Pt %f, track Phi %f, phi trigger %f. Cuts: delta phi %2.2f < %2.2f < %2.2f, pT min %2.2f \n",
- mcAssocPt,mcAssocPhi, mcTrigPhi,fDeltaPhiMinCut, mcdeltaPhi, fDeltaPhiMaxCut, GetMinPt());
+ if(GetDebug() > 0 )
+ {
+ AliInfo(Form("Charged hadron: track Pt %f, track Phi %f, phi trigger %f. Cuts: delta phi %2.2f < %2.2f < %2.2f, pT min %2.2f \n",
+ mcAssocPt,mcAssocPhi, mcTrigPhi,fDeltaPhiMinCut, mcdeltaPhi, fDeltaPhiMaxCut, GetMinPt()));
+ }
// Fill Histograms
fhMCEtaCharged ->Fill(mcAssocPt, mcAssocEta);
//_________________________________________________________________________________________________________
void AliAnaParticleHadronCorrelation::MakeMCChargedCorrelation(AliAODPWG4ParticleCorrelation *aodParticle)
-{
+{
// Charged Hadron Correlation Analysis with MC information
- if(GetDebug()>1)
- printf("AliAnaParticleHadronCorrelation::MakeMCChargedCorrelation() - Make trigger particle - charged hadron correlation in AOD MC level\n");
+ if ( GetDebug() > 1 )
+ AliInfo("Make trigger particle - charged hadron correlation in AOD MC level");
AliStack * stack = 0x0 ;
- TParticle * primary = 0x0 ;
- TClonesArray * mcparticles0 = 0x0 ;
+ TParticle * primary = 0x0 ;
TClonesArray * mcparticles = 0x0 ;
- AliAODMCParticle * aodprimary = 0x0 ;
+ AliAODMCParticle * aodprimary = 0x0 ;
Double_t eprim = 0 ;
Double_t ptprim = 0 ;
Double_t phiprim = 0 ;
Double_t etaprim = 0 ;
- Int_t nTracks = 0 ;
+ Int_t nTracks = 0 ;
Int_t iParticle = 0 ;
- Double_t charge = 0.;
- if(GetReader()->ReadStack())
- {
- nTracks = GetMCStack()->GetNtrack() ;
- }
- else
- {
- nTracks = GetReader()->GetAODMCParticles()->GetEntriesFast() ;
- }
- //Int_t trackIndex[nTracks];
+ Bool_t lead = kFALSE;
Int_t label= aodParticle->GetLabel();
- if(label < 0)
+ if( label < 0 )
{
- if(GetDebug() > 0) printf("AliAnaParticleHadronCorrelation::MakeMCChargedCorrelation *** bad label ***: label %d \n", label);
+ if( GetDebug() > 0 ) AliInfo(Form(" *** bad label ***: label %d", label));
return;
- }
+ }
- if(GetReader()->ReadStack())
+ if( GetReader()->ReadStack() )
{
stack = GetMCStack() ;
- if(!stack)
+ if(!stack)
{
- printf(" AliAnaParticleHadronCorrelation::MakeMCChargedCorrelation- Stack not available, is the MC handler called? STOP\n");
- abort();
+ AliFatal("Stack not available, is the MC handler called? STOP");
+ return;
}
- nTracks=stack->GetNprimary();
- if(label >= stack->GetNtrack())
+ //nTracks = stack->GetNtrack() ;
+ nTracks = stack->GetNprimary();
+ if( label >= stack->GetNtrack() )
{
- if(GetDebug() > 2) printf("AliAnaParticleHadronCorrelation::MakeMCChargedCorrelation *** large label ***: label %d, n tracks %d \n", label, stack->GetNtrack());
+ if(GetDebug() > 2)
+ AliInfo(Form("*** large label ***: label %d, n tracks %d", label, stack->GetNtrack()));
return ;
}
primary = stack->Particle(label);
- if(!primary)
+ if ( !primary )
{
- printf("AliAnaParticleHadronCorrelation::MakeMCChargedCorrelation *** no primary ***: label %d \n", label);
+ AliInfo(Form(" *** no primary ***: label %d", label));
return;
}
- if(primary)
+ eprim = primary->Energy();
+ ptprim = primary->Pt();
+ phiprim = primary->Phi();
+ etaprim = primary->Eta();
+
+ if(ptprim < 0.01 || eprim < 0.01) return ;
+
+ for (iParticle = 0 ; iParticle < nTracks ; iParticle++)
{
- eprim = primary->Energy();
- ptprim = primary->Pt();
- phiprim = primary->Phi();
- etaprim = primary->Eta();
+ TParticle * particle = stack->Particle(iParticle);
+ TLorentzVector momentum;
- if(ptprim < 0.01 || eprim < 0.01) return ;
+ //keep only final state particles
+ if( particle->GetStatusCode() != 1 ) continue ;
- for (iParticle = 0 ; iParticle < nTracks ; iParticle++)
- {
- TParticle * particle = stack->Particle(iParticle);
- TLorentzVector momentum;
-
- //keep only final state particles
- if(particle->GetStatusCode()!=1) continue ;
-
- Int_t pdg = particle->GetPdgCode();
-
- charge = TDatabasePDG::Instance()->GetParticle(pdg)->Charge();
-
- particle->Momentum(momentum);
-
- //---------- Charged particles ----------------------
- if(charge != 0)
- {
- //Particles in CTS acceptance
- Bool_t inCTS = GetFiducialCut()->IsInFiducialCut(momentum,"CTS");
-
- if(TMath::Abs(pdg) == 11 && stack->Particle(particle->GetFirstMother())->GetPdgCode()==22) continue ;
-
- if(inCTS)
- {
- if( label!=iParticle) // avoid trigger particle
- {
- if(!FillChargedMCCorrelationHistograms(particle->Pt(),particle->Phi(),particle->Eta(),ptprim,phiprim,etaprim)) return;
- }
- }// in CTS acceptance
- }// charged
- } //track loop
- } //when the leading particles could trace back to MC
+ if ( particle->Pt() < GetReader()->GetCTSPtMin()) continue;
+
+ //---------- Charged particles ----------------------
+ Int_t pdg = particle->GetPdgCode();
+ Int_t charge = (Int_t) TDatabasePDG::Instance()->GetParticle(pdg)->Charge();
+ if(charge == 0) continue;
+
+ particle->Momentum(momentum);
+
+ //Particles in CTS acceptance, make sure to use the same selection as in the reader
+ Bool_t inCTS = GetReader()->GetFiducialCut()->IsInFiducialCut(momentum,"CTS");
+ //printf("Accepted? %d; pt %2.2f, eta %2.2f, phi %2.2f\n",inCTS,momentum.Pt(),momentum.Eta(),momentum.Phi()*TMath::RadToDeg());
+ if( !inCTS ) continue;
+
+ // Remove conversions
+ if ( TMath::Abs(pdg) == 11 && stack->Particle(particle->GetFirstMother())->GetPdgCode() == 22 ) continue ;
+
+ if ( label == iParticle ) continue; // avoid trigger particle
+
+ lead = FillChargedMCCorrelationHistograms(particle->Pt(),particle->Phi(),particle->Eta(),ptprim,phiprim,etaprim);
+ if ( !lead ) return;
+
+ } //track loop
+
} //ESD MC
- else if(GetReader()->ReadAODMCParticles())
+ else if( GetReader()->ReadAODMCParticles() )
{
//Get the list of MC particles
- mcparticles0 = GetReader()->GetAODMCParticles();
- if(!mcparticles0) return;
+ mcparticles = GetReader()->GetAODMCParticles();
+ if( !mcparticles ) return;
- if(label >=mcparticles0->GetEntriesFast())
+ nTracks = mcparticles->GetEntriesFast() ;
+
+ if( label >= nTracks )
{
- if(GetDebug() > 2)
- printf("AliAnaParticleHadronCorrelation::MakeMCChargedCorrelation *** large label ***: label %d, n tracks %d \n", label,mcparticles0->GetEntriesFast());
+ if(GetDebug() > 2)
+ AliInfo(Form(" *** large label ***: label %d, n tracks %d", label,nTracks));
return;
}
//Get the particle
- aodprimary = (AliAODMCParticle*) mcparticles0->At(label);
- if(!aodprimary)
+ aodprimary = (AliAODMCParticle*) mcparticles->At(label);
+ if( !aodprimary )
{
- printf("AliAnaParticleHadronCorrelation::MakeMCChargedCorrelation *** no AOD primary ***: label %d \n", label);
+ AliInfo(Form(" *** no AOD primary ***: label %d", label));
return;
}
- if(aodprimary)
+ ptprim = aodprimary->Pt();
+ phiprim = aodprimary->Phi();
+ etaprim = aodprimary->Eta();
+ eprim = aodprimary->E();
+
+ if(ptprim < 0.01 || eprim < 0.01) return ;
+
+ for (iParticle = 0; iParticle < nTracks; iParticle++)
{
- ptprim = aodprimary->Pt();
- phiprim = aodprimary->Phi();
- etaprim = aodprimary->Eta();
- eprim = aodprimary->E();
+ AliAODMCParticle *part = (AliAODMCParticle*) mcparticles->At(iParticle);
- Bool_t lead = kFALSE;
+ if (!part->IsPhysicalPrimary() ) continue; // same as part->GetStatus() !=1
- if(ptprim < 0.01 || eprim < 0.01) return ;
+ if ( part->Charge() == 0 ) continue;
- mcparticles= GetReader()->GetAODMCParticles();
- for (iParticle = 0; iParticle < nTracks; iParticle++)
- {
- AliAODMCParticle *part = (AliAODMCParticle*) mcparticles->At(iParticle);
-
- if (!part->IsPhysicalPrimary()) continue;
-
- Int_t pdg = part->GetPdgCode();
- charge = TDatabasePDG::Instance()->GetParticle(pdg)->Charge();
- TLorentzVector momentum(part->Px(),part->Py(),part->Pz(),part->E());
-
- if(charge != 0)
- {
- if(part->Pt()> GetReader()->GetCTSPtMin())
- {
- //Particles in CTS acceptance
- Bool_t inCTS = GetFiducialCut()->IsInFiducialCut(momentum,"CTS");
- Int_t indexmother=part->GetMother();
-
- if(indexmother>-1)
- {
- Int_t mPdg = ((AliAODMCParticle*) mcparticles->At(indexmother)) ->GetPdgCode();
- if(TMath::Abs(pdg) == 11 && mPdg == 22) continue;
- }
-
- if(inCTS)
- {
- if( label!=iParticle) // avoid trigger particle
- {
- if(!FillChargedMCCorrelationHistograms(part->Pt(),part->Phi(),part->Eta(),ptprim,phiprim,etaprim)) return;
- else lead = kTRUE;
- }
- } // in acceptance
- } // min pt cut
- } //only charged particles
- } //MC particle loop
- if (lead)
+ if ( part->Pt() < GetReader()->GetCTSPtMin()) continue;
+
+ TLorentzVector momentum(part->Px(),part->Py(),part->Pz(),part->E());
+
+ //Particles in CTS acceptance, make sure to use the same selection as in the reader
+ Bool_t inCTS = GetReader()->GetFiducialCut()->IsInFiducialCut(momentum,"CTS");
+ //printf("Accepted? %d; pt %2.2f, eta %2.2f, phi %2.2f\n",inCTS,momentum.Pt(),momentum.Eta(),momentum.Phi()*TMath::RadToDeg());
+ if( !inCTS ) continue;
+
+ // Remove conversions
+ Int_t indexmother = part->GetMother();
+ if ( indexmother > -1 )
{
- fhMCPtLeading->Fill(ptprim);
- fhMCPhiLeading->Fill(ptprim,phiprim);
- fhMCEtaLeading->Fill(ptprim,etaprim);
+ Int_t pdg = part->GetPdgCode();
+ Int_t mPdg = ((AliAODMCParticle*) mcparticles->At(indexmother)) ->GetPdgCode();
+ if (TMath::Abs(pdg) == 11 && mPdg == 22) continue;
}
- } //when the leading particles could trace back to MC
+
+ if ( label == iParticle ) continue; // avoid trigger particle
+
+ lead = FillChargedMCCorrelationHistograms(part->Pt(),part->Phi(),part->Eta(),ptprim,phiprim,etaprim);
+ if ( !lead ) return;
+
+ } //MC particle loop
}// AOD MC
+
+ // Leading MC particle histograms
+ if (lead)
+ {
+ fhMCPtLeading ->Fill(ptprim);
+ fhMCPhiLeading->Fill(ptprim,phiprim);
+ fhMCEtaLeading->Fill(ptprim,etaprim);
+ }
}
//_____________________________________________________________________
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff