//#include "AliCFContainer.h" // for CF
#include "AliESDInputHandler.h"
#include "AliAnalysisManager.h"
+#include "AliAODPWG4Particle.h"
+#include "AliAODPWG4ParticleCorrelation.h"
#include "AliGammaConversionAODObject.h"
+#include "AliAODConversionParticle.h"
#include "AliGammaConversionBGHandler.h"
#include "AliESDCaloCluster.h" // for combining PHOS and GammaConv
#include "AliKFVertex.h"
+#include "AliGenPythiaEventHeader.h"
+#include "AliGenDPMjetEventHeader.h"
+#include "AliGenEventHeader.h"
+#include <AliMCEventHandler.h>
+#include "TRandom3.h"
+#include "AliTriggerAnalysis.h"
+#include "AliCentrality.h"
+
+class AliESDTrackCuts;
class AliCFContainer;
class AliCFManager;
class AliKFVertex;
fLowPtMapping(1.),
fHighPtMapping(3.),
fDoCF(kFALSE),
- fAODBranch(NULL),
+ fAODGamma(NULL),
+ fAODPi0(NULL),
+ fAODOmega(NULL),
fAODBranchName("GammaConv"),
+ fOutputAODClassName("AliAODConversionParticle"),
+ fKFCreateAOD(kTRUE),
+ fKFForceAOD(kFALSE),
+ fKFDeltaAODFileName(""),
fDoNeutralMesonV0MCCheck(kFALSE),
- fKFReconstructedGammasV0Index()
+ fUseTrackMultiplicityForBG(kTRUE),
+ fMoveParticleAccordingToVertex(kFALSE),
+ fApplyChi2Cut(kFALSE),
+ fNRandomEventsForBG(15),
+ fNDegreesPMBackground(15),
+ fDoRotation(kTRUE),
+ fCheckBGProbability(kTRUE),
+ fKFReconstructedGammasV0Index(),
+ fRemovePileUp(kFALSE),
+ fSelectV0AND(kFALSE),
+ fTriggerAnalysis(NULL),
+ fMultiplicity(0),
+ fUseMultiplicity(0),
+ fUseMultiplicityBin(0),
+ fUseCentrality(0),
+ fUseCentralityBin(0)
{
// Default constructor
fLowPtMapping(1.),
fHighPtMapping(3.),
fDoCF(kFALSE),
- fAODBranch(NULL),
+ fAODGamma(NULL),
+ fAODPi0(NULL),
+ fAODOmega(NULL),
fAODBranchName("GammaConv"),
+ fOutputAODClassName("AliAODConversionParticle"),
+ fKFCreateAOD(kTRUE),
+ fKFForceAOD(kFALSE),
+ fKFDeltaAODFileName(""),
fDoNeutralMesonV0MCCheck(kFALSE),
- fKFReconstructedGammasV0Index()
+ fUseTrackMultiplicityForBG(kTRUE),
+ fMoveParticleAccordingToVertex(kFALSE),
+ fApplyChi2Cut(kFALSE),
+ fNRandomEventsForBG(15),
+ fNDegreesPMBackground(15),
+ fDoRotation(kTRUE),
+ fCheckBGProbability(kTRUE),
+ fKFReconstructedGammasV0Index(),
+ fRemovePileUp(kFALSE),
+ fSelectV0AND(kFALSE),
+ fTriggerAnalysis(NULL),
+ fMultiplicity(0),
+ fUseMultiplicity(0),
+ fUseMultiplicityBin(0),
+ fUseCentrality(0),
+ fUseCentralityBin(0)
{
// Common I/O in slot 0
DefineInput (0, TChain::Class());
delete fEsdTrackCuts;
}
- if (fAODBranch) {
- fAODBranch->Clear();
- delete fAODBranch ;
+ //Delete AODs
+ if (fAODGamma) {
+ fAODGamma->Clear();
+ delete fAODGamma;
}
+ fAODGamma = NULL;
+
+ if (fAODPi0) {
+ fAODPi0->Clear();
+ delete fAODPi0;
+ }
+ fAODPi0 = NULL;
+
+ if (fAODOmega) {
+ fAODOmega->Clear();
+ delete fAODOmega;
+ }
+ fAODOmega = NULL;
+
+ if(fTriggerAnalysis) {
+ delete fTriggerAnalysis;
+ }
+
+
}
// fEsdTrackCuts->SetRequireSigmaToVertex(kTRUE);
//------- To be tested-----------
-
- Double_t minNClustersTPC = 70;
- Double_t maxChi2PerClusterTPC = 4.0;
- Double_t maxDCAtoVertexXY = 2.4; // cm
- Double_t maxDCAtoVertexZ = 3.2; // cm
- fEsdTrackCuts->SetRequireSigmaToVertex(kFALSE);
- fEsdTrackCuts->SetRequireTPCRefit(kTRUE);
- fEsdTrackCuts->SetRequireITSRefit(kTRUE);
- // fEsdTrackCuts->SetRequireTPCStandAlone(kTRUE);
- fEsdTrackCuts->SetAcceptKinkDaughters(kFALSE);
- fEsdTrackCuts->SetMinNClustersTPC(minNClustersTPC);
- fEsdTrackCuts->SetMaxChi2PerClusterTPC(maxChi2PerClusterTPC);
- fEsdTrackCuts->SetMaxDCAToVertexXY(maxDCAtoVertexXY);
- fEsdTrackCuts->SetMaxDCAToVertexZ(maxDCAtoVertexZ);
- fEsdTrackCuts->SetDCAToVertex2D(kTRUE);
- fEsdTrackCuts->SetEtaRange(-0.8, 0.8);
- fEsdTrackCuts->SetPtRange(0.15);
-
- fEsdTrackCuts->SetClusterRequirementITS(AliESDtrackCuts::kSPD,AliESDtrackCuts::kFirst);
-
-
+ // Cuts used up to 26th of Agost
+// Int_t minNClustersTPC = 70;
+// Double_t maxChi2PerClusterTPC = 4.0;
+// Double_t maxDCAtoVertexXY = 2.4; // cm
+// Double_t maxDCAtoVertexZ = 3.2; // cm
+// fEsdTrackCuts->SetRequireSigmaToVertex(kFALSE);
+// fEsdTrackCuts->SetRequireTPCRefit(kTRUE);
+// fEsdTrackCuts->SetRequireITSRefit(kTRUE);
+// // fEsdTrackCuts->SetRequireTPCStandAlone(kTRUE);
+// fEsdTrackCuts->SetAcceptKinkDaughters(kFALSE);
+// fEsdTrackCuts->SetMinNClustersTPC(minNClustersTPC);
+// fEsdTrackCuts->SetMaxChi2PerClusterTPC(maxChi2PerClusterTPC);
+// fEsdTrackCuts->SetMaxDCAToVertexXY(maxDCAtoVertexXY);
+// fEsdTrackCuts->SetMaxDCAToVertexZ(maxDCAtoVertexZ);
+// fEsdTrackCuts->SetDCAToVertex2D(kTRUE);
+// fEsdTrackCuts->SetEtaRange(-0.8, 0.8);
+// fEsdTrackCuts->SetPtRange(0.15);
+
+// fEsdTrackCuts->SetClusterRequirementITS(AliESDtrackCuts::kSPD,AliESDtrackCuts::kFirst);
+
+
+// Using standard function for setting Cuts
+ Bool_t selectPrimaries=kTRUE;
+ fEsdTrackCuts = AliESDtrackCuts::GetStandardITSTPCTrackCuts2010(selectPrimaries);
+ fEsdTrackCuts->SetMaxDCAToVertexZ(2);
+ fEsdTrackCuts->SetEtaRange(-0.8, 0.8);
+ fEsdTrackCuts->SetPtRange(0.15);
//----- From Jacek 10.03.03 ------------------/
// minNClustersTPC = 70;
// Execute analysis for current event
// Load the esdpid from the esdhandler if exists (tender was applied) otherwise set the Bethe Bloch parameters
+ Int_t eventQuality=-1;
AliAnalysisManager *man=AliAnalysisManager::GetAnalysisManager();
AliESDInputHandler *esdHandler=0x0;
}
}
+ //Must set fForceAOD to true for the AOD to get filled. Should only be done when running independent chain / train.
+ if(fKFForceAOD) {
+ if (!AliAnalysisManager::GetAnalysisManager()->GetOutputEventHandler()) AliFatal("Cannot run ESD filter without an output event handler");
+ AliAnalysisManager::GetAnalysisManager()->GetOutputEventHandler()->SetFillAOD(kTRUE);
+ }
if(fV0Reader == NULL){
// Write warning here cuts and so on are default if this ever happens
}
+ if (fMCEvent ) {
+ // To avoid crashes due to unzip errors. Sometimes the trees are not there.
+
+ AliMCEventHandler* mcHandler = dynamic_cast<AliMCEventHandler*> (AliAnalysisManager::GetAnalysisManager()->GetMCtruthEventHandler());
+ if (!mcHandler){
+ AliError("Could not retrive MC event handler!");
+ return;
+
+ eventQuality=0;
+ fHistograms->FillHistogram("ESD_EventQuality",eventQuality);
+ }
+ if (!mcHandler->InitOk() ){
+ eventQuality=0;
+ fHistograms->FillHistogram("ESD_EventQuality",eventQuality);
+ return;
+ }
+ if (!mcHandler->TreeK() ){
+ eventQuality=0;
+ fHistograms->FillHistogram("ESD_EventQuality",eventQuality);
+ return;
+ }
+ if (!mcHandler->TreeTR() ) {
+ eventQuality=0;
+ fHistograms->FillHistogram("ESD_EventQuality",eventQuality);
+ return;
+ }
+ }
+
fV0Reader->SetInputAndMCEvent(InputEvent(), MCEvent());
fV0Reader->Initialize();
fDoMCTruth = fV0Reader->GetDoMCTruth();
-
- // if(fDoMCTruth){
- //ConnectInputData("");
- //}
- //Each event needs an empty branch
- // fAODBranch->Clear();
- fAODBranch->Delete();
+ if(fAODGamma) fAODGamma->Delete();
+ if(fAODPi0) fAODPi0->Delete();
+ if(fAODOmega) fAODOmega->Delete();
if(fKFReconstructedGammasTClone == NULL){
fKFReconstructedGammasTClone = new TClonesArray("AliKFParticle",0);
fKFReconstructedPi0sTClone = new TClonesArray("AliKFParticle",0);
}
- if(fKFRecalculatedGammasTClone == NULL){
+ if(fKFRecalculatedGammasTClone == NULL){
fKFRecalculatedGammasTClone = new TClonesArray("AliKFParticle",0);
}
-
+ if(fTriggerAnalysis== NULL){
+ fTriggerAnalysis = new AliTriggerAnalysis;
+ }
+
//clear TClones
fKFReconstructedGammasTClone->Delete();
fCurrentEventPosElectronTClone->Delete();
if(!fV0Reader->GetESDEvent()->IsTriggerClassFired("CINT1B-ABCE-NOPF-ALL")) return;
}
*/
-
+ Bool_t v0A = fTriggerAnalysis->IsOfflineTriggerFired(fV0Reader->GetESDEvent(), AliTriggerAnalysis::kV0A);
+ Bool_t v0C = fTriggerAnalysis->IsOfflineTriggerFired(fV0Reader->GetESDEvent(), AliTriggerAnalysis::kV0C);
+ Bool_t v0AND = v0A && v0C;
+
+ if(fSelectV0AND && !v0AND){
+ eventQuality=5;
+ fHistograms->FillHistogram("ESD_EventQuality",eventQuality);
+ if(fDoMCTruth){
+ CheckMesonProcessTypeEventQuality(eventQuality);
+ }
+
+ return;
+ }
+
+ if(fV0Reader->CheckForPrimaryVertex() == kFALSE){
+ // cout<< "Event not taken"<< endl;
+ eventQuality=1;
+ fHistograms->FillHistogram("ESD_EventQuality",eventQuality);
+ if(fDoMCTruth){
+ CheckMesonProcessTypeEventQuality(eventQuality);
+ }
+ return; // aborts if the primary vertex does not have contributors.
+ }
+
+
+
+ if(!fV0Reader->CheckForPrimaryVertexZ() ){
+ eventQuality=2;
+ fHistograms->FillHistogram("ESD_EventQuality",eventQuality);
+ if(fDoMCTruth){
+ CheckMesonProcessTypeEventQuality(eventQuality);
+ }
+ return;
+ }
+
+ if(fV0Reader->GetESDEvent()->GetPrimaryVertexTracks()->GetNContributors()>0) {
+ fHistograms->FillHistogram("ESD_GlobalPrimaryVtxZ",fV0Reader->GetESDEvent()->GetPrimaryVertex()->GetZ());
+ }else{
+ if(fV0Reader->GetESDEvent()->GetPrimaryVertexSPD()->GetNContributors()>0) {
+ fHistograms->FillHistogram("ESD_SPDPrimaryVtxZ",fV0Reader->GetESDEvent()->GetPrimaryVertex()->GetZ());
+ }
+ }
+
+ if(fRemovePileUp && fV0Reader->GetESDEvent()->IsPileupFromSPD()) {
+ eventQuality=4;
+ fHistograms->FillHistogram("ESD_EventQuality",eventQuality);
+ return;
+ }
+
+ fMultiplicity = fEsdTrackCuts->CountAcceptedTracks(fV0Reader->GetESDEvent());
+
+ if( CalculateMultiplicityBin() != fUseMultiplicityBin){
+ eventQuality=6;
+ fHistograms->FillHistogram("ESD_EventQuality",eventQuality);
+ return;
+ }
+
+ if(fV0Reader->GetIsHeavyIon()){
+ if(fUseCentrality>0){
+ AliCentrality *esdCentrality = fV0Reader->GetESDEvent()->GetCentrality();
+ Int_t centralityC = -1;
+
+ if(fUseCentrality==1){
+ centralityC = esdCentrality->GetCentralityClass10("V0M");
+ if( centralityC != fUseCentralityBin ){
+ eventQuality=7;
+ fHistograms->FillHistogram("ESD_EventQuality",eventQuality);
+ return;
+ }
+ }
+
+ if(fUseCentrality==2){
+ centralityC = esdCentrality->GetCentralityClass10("CL1");
+ if( centralityC != fUseCentralityBin ){
+ eventQuality=7;
+ fHistograms->FillHistogram("ESD_EventQuality",eventQuality);
+ return;
+ }
+ }
+ }
+ }
+ eventQuality=3;
+ fHistograms->FillHistogram("ESD_EventQuality",eventQuality);
+
+
+
+ fHistograms->FillHistogram("ESD_NumberOfGoodESDTracks",fMultiplicity);
+ if (fV0Reader->GetNumberOfContributorsVtx()>=1){
+ fHistograms->FillHistogram("ESD_NumberOfGoodESDTracksVtx",fMultiplicity);
+ }
+
+
+
// Process the MC information
if(fDoMCTruth){
ProcessMCData();
//Fill Gamma AOD
- FillAODWithConversionGammas() ;
-
+ if(fKFCreateAOD) {
+ FillAODWithConversionGammas() ;
+ }
+
+
// Process reconstructed gammas
if(fDoNeutralMeson == kTRUE){
ProcessGammasForNeutralMesonAnalysis();
// fDoMCTruth = fV0Reader->GetDoMCTruth();
// }
+void AliAnalysisTaskGammaConversion::CheckMesonProcessTypeEventQuality(Int_t evtQ){
+ // Check meson process type event quality
+ fStack= MCEvent()->Stack();
+ fGCMCEvent=MCEvent();
+
+ for (Int_t iTracks = 0; iTracks < fStack->GetNprimary(); iTracks++) {
+ TParticle* particle = (TParticle *)fStack->Particle(iTracks);
+ if (!particle) {
+ //print warning here
+ continue;
+ }
+ if(particle->GetPdgCode()!=111){ //Pi0
+ continue;
+ }
+
+ Double_t rapidity;
+ if(particle->Energy() - particle->Pz() == 0 || particle->Energy() + particle->Pz() == 0){
+ rapidity=0;
+ }
+ else{
+ rapidity = 0.5*(TMath::Log((particle->Energy()+particle->Pz()) / (particle->Energy()-particle->Pz())));
+ }
+
+ if(TMath::Abs(rapidity) > fV0Reader->GetRapidityMesonCut() ) continue;
+
+ if(evtQ==1){
+ switch(GetProcessType(fGCMCEvent)){
+ case kProcSD:
+ fHistograms->FillHistogram("MC_SD_EvtQ1_Pi0_Pt", particle->Pt());
+ break;
+ case kProcDD:
+ fHistograms->FillHistogram("MC_DD_EvtQ1_Pi0_Pt", particle->Pt());
+ break;
+ case kProcND:
+ fHistograms->FillHistogram("MC_ND_EvtQ1_Pi0_Pt", particle->Pt());
+ break;
+ default:
+ AliError("Unknown Process");
+ }
+ }
+ if(evtQ==2){
+ switch(GetProcessType(fGCMCEvent)){
+ case kProcSD:
+ fHistograms->FillHistogram("MC_SD_EvtQ2_Pi0_Pt", particle->Pt());
+ break;
+ case kProcDD:
+ fHistograms->FillHistogram("MC_DD_EvtQ2_Pi0_Pt", particle->Pt());
+ break;
+ case kProcND:
+ fHistograms->FillHistogram("MC_ND_EvtQ2_Pi0_Pt", particle->Pt());
+ break;
+ default:
+ AliError("Unknown Process");
+ }
+ }
+
+ if(evtQ==4){
+ switch(GetProcessType(fGCMCEvent)){
+ case kProcSD:
+ fHistograms->FillHistogram("MC_SD_EvtQ4_Pi0_Pt", particle->Pt());
+ break;
+ case kProcDD:
+ fHistograms->FillHistogram("MC_DD_EvtQ4_Pi0_Pt", particle->Pt());
+ break;
+ case kProcND:
+ fHistograms->FillHistogram("MC_ND_EvtQ4_Pi0_Pt", particle->Pt());
+ break;
+ default:
+ AliError("Unknown Process");
+ }
+ }
+
+ if(evtQ==5){
+ switch(GetProcessType(fGCMCEvent)){
+ case kProcSD:
+ fHistograms->FillHistogram("MC_SD_EvtQ5_Pi0_Pt", particle->Pt());
+ break;
+ case kProcDD:
+ fHistograms->FillHistogram("MC_DD_EvtQ5_Pi0_Pt", particle->Pt());
+ break;
+ case kProcND:
+ fHistograms->FillHistogram("MC_ND_EvtQ5_Pi0_Pt", particle->Pt());
+ break;
+ default:
+ AliError("Unknown Process");
+ }
+ }
+
+ }
+}
void AliAnalysisTaskGammaConversion::ProcessMCData(){
// see header file for documentation
if(fV0Reader->CheckForPrimaryVertex() == kFALSE){
return; // aborts if the primary vertex does not have contributors.
}
-
- for (Int_t iTracks = 0; iTracks < fStack->GetNtrack(); iTracks++) {
+ for (Int_t iTracks = 0; iTracks < fStack->GetNprimary(); iTracks++) {
+ // for (Int_t iTracks = 0; iTracks < fStack->GetNtrack(); iTracks++) {
TParticle* particle = (TParticle *)fStack->Particle(iTracks);
-
+
+
+
if (!particle) {
//print warning here
continue;
}
///////////////////////Begin Chic Analysis/////////////////////////////
-
- if(particle->GetPdgCode() == 443){//Is JPsi
- if(particle->GetNDaughters()==2){
- if(TMath::Abs(fStack->Particle(particle->GetFirstDaughter())->GetPdgCode()) == 11 &&
- TMath::Abs(fStack->Particle(particle->GetLastDaughter())->GetPdgCode()) == 11){
-
- TParticle* daug0 = fStack->Particle(particle->GetFirstDaughter());
- TParticle* daug1 = fStack->Particle(particle->GetLastDaughter());
- if(TMath::Abs(daug0->Eta()) < 0.9 && TMath::Abs(daug1->Eta()) < 0.9)
- fHistograms->FillTable("Table_Electrons",3);//e+ e- from J/Psi inside acceptance
+ if(fDoChic) {
+ if(particle->GetPdgCode() == 443){//Is JPsi
+ if(particle->GetNDaughters()==2){
+ if(TMath::Abs(fStack->Particle(particle->GetFirstDaughter())->GetPdgCode()) == 11 &&
+ TMath::Abs(fStack->Particle(particle->GetLastDaughter())->GetPdgCode()) == 11){
+
+ TParticle* daug0 = fStack->Particle(particle->GetFirstDaughter());
+ TParticle* daug1 = fStack->Particle(particle->GetLastDaughter());
+ if(TMath::Abs(daug0->Eta()) < 0.9 && TMath::Abs(daug1->Eta()) < 0.9)
+ fHistograms->FillTable("Table_Electrons",3);//e+ e- from J/Psi inside acceptance
- if( TMath::Abs(daug0->Eta()) < 0.9){
- if(daug0->GetPdgCode() == -11)
- fHistograms->FillTable("Table_Electrons",1);//e+ from J/Psi inside acceptance
- else
- fHistograms->FillTable("Table_Electrons",2);//e- from J/Psi inside acceptance
+ if( TMath::Abs(daug0->Eta()) < 0.9){
+ if(daug0->GetPdgCode() == -11)
+ fHistograms->FillTable("Table_Electrons",1);//e+ from J/Psi inside acceptance
+ else
+ fHistograms->FillTable("Table_Electrons",2);//e- from J/Psi inside acceptance
- }
- if(TMath::Abs(daug1->Eta()) < 0.9){
- if(daug1->GetPdgCode() == -11)
- fHistograms->FillTable("Table_Electrons",1);//e+ from J/Psi inside acceptance
- else
- fHistograms->FillTable("Table_Electrons",2);//e- from J/Psi inside acceptance
+ }
+ if(TMath::Abs(daug1->Eta()) < 0.9){
+ if(daug1->GetPdgCode() == -11)
+ fHistograms->FillTable("Table_Electrons",1);//e+ from J/Psi inside acceptance
+ else
+ fHistograms->FillTable("Table_Electrons",2);//e- from J/Psi inside acceptance
+ }
}
}
}
- }
- // const int CHI_C0 = 10441;
- // const int CHI_C1 = 20443;
- // const int CHI_C2 = 445
- if(particle->GetPdgCode() == 22){//gamma from JPsi
- if(particle->GetMother(0) > -1){
- if(fStack->Particle(particle->GetMother(0))->GetPdgCode() == 10441 ||
- fStack->Particle(particle->GetMother(0))->GetPdgCode() == 20443 ||
- fStack->Particle(particle->GetMother(0))->GetPdgCode() == 445){
- if(TMath::Abs(particle->Eta()) < 1.2)
- fHistograms->FillTable("Table_Electrons",17);// gamma from chic inside accptance
+ // const int CHI_C0 = 10441;
+ // const int CHI_C1 = 20443;
+ // const int CHI_C2 = 445
+ if(particle->GetPdgCode() == 22){//gamma from JPsi
+ if(particle->GetMother(0) > -1){
+ if(fStack->Particle(particle->GetMother(0))->GetPdgCode() == 10441 ||
+ fStack->Particle(particle->GetMother(0))->GetPdgCode() == 20443 ||
+ fStack->Particle(particle->GetMother(0))->GetPdgCode() == 445){
+ if(TMath::Abs(particle->Eta()) < 1.2)
+ fHistograms->FillTable("Table_Electrons",17);// gamma from chic inside accptance
+ }
}
}
- }
- if(particle->GetPdgCode() == 10441 || particle->GetPdgCode() == 20443 || particle->GetPdgCode() == 445){
- if( particle->GetNDaughters() == 2){
- TParticle* daug0 = fStack->Particle(particle->GetFirstDaughter());
- TParticle* daug1 = fStack->Particle(particle->GetLastDaughter());
+ if(particle->GetPdgCode() == 10441 || particle->GetPdgCode() == 20443 || particle->GetPdgCode() == 445){
+ if( particle->GetNDaughters() == 2){
+ TParticle* daug0 = fStack->Particle(particle->GetFirstDaughter());
+ TParticle* daug1 = fStack->Particle(particle->GetLastDaughter());
- if( (daug0->GetPdgCode() == 443 || daug0->GetPdgCode() == 22) && (daug1->GetPdgCode() == 443 || daug1->GetPdgCode() == 22) ){
- if( daug0->GetPdgCode() == 443){
- TParticle* daugE0 = fStack->Particle(daug0->GetFirstDaughter());
- TParticle* daugE1 = fStack->Particle(daug0->GetLastDaughter());
- if( TMath::Abs(daug1->Eta()) < 1.2 && TMath::Abs(daugE0->Eta()) < 0.9 && TMath::Abs(daugE1->Eta()) < 0.9 )
- fHistograms->FillTable("Table_Electrons",18);
+ if( (daug0->GetPdgCode() == 443 || daug0->GetPdgCode() == 22) && (daug1->GetPdgCode() == 443 || daug1->GetPdgCode() == 22) ){
+ if( daug0->GetPdgCode() == 443){
+ TParticle* daugE0 = fStack->Particle(daug0->GetFirstDaughter());
+ TParticle* daugE1 = fStack->Particle(daug0->GetLastDaughter());
+ if( TMath::Abs(daug1->Eta()) < 1.2 && TMath::Abs(daugE0->Eta()) < 0.9 && TMath::Abs(daugE1->Eta()) < 0.9 )
+ fHistograms->FillTable("Table_Electrons",18);
- }//if
- else if (daug1->GetPdgCode() == 443){
- TParticle* daugE0 = fStack->Particle(daug1->GetFirstDaughter());
- TParticle* daugE1 = fStack->Particle(daug1->GetLastDaughter());
- if( TMath::Abs(daug0->Eta()) < 1.2 && TMath::Abs(daugE0->Eta()) < 0.9 && TMath::Abs(daugE1->Eta()) < 0.9 )
- fHistograms->FillTable("Table_Electrons",18);
- }//else if
- }//gamma o Jpsi
- }//GetNDaughters
+ }//if
+ else if (daug1->GetPdgCode() == 443){
+ TParticle* daugE0 = fStack->Particle(daug1->GetFirstDaughter());
+ TParticle* daugE1 = fStack->Particle(daug1->GetLastDaughter());
+ if( TMath::Abs(daug0->Eta()) < 1.2 && TMath::Abs(daugE0->Eta()) < 0.9 && TMath::Abs(daugE1->Eta()) < 0.9 )
+ fHistograms->FillTable("Table_Electrons",18);
+ }//else if
+ }//gamma o Jpsi
+ }//GetNDaughters
+ }
}
-
/////////////////////End Chic Analysis////////////////////////////
- if(TMath::Abs(particle->Eta())> fV0Reader->GetEtaCut() ) continue;
+ // if(TMath::Abs(particle->Eta())> fV0Reader->GetEtaCut() ) continue;
if(particle->R()>fV0Reader->GetMaxRCut()) continue; // cuts on distance from collision point
rapidity = 0.5*(TMath::Log((particle->Energy()+particle->Pz()) / (particle->Energy()-particle->Pz())));
}
+
+
+ if(iTracks<=fStack->GetNprimary() ){
+ if ( particle->GetPdgCode()== -211 || particle->GetPdgCode()== 211 ||
+ particle->GetPdgCode()== 2212 || particle->GetPdgCode()==-2212 ||
+ particle->GetPdgCode()== 321 || particle->GetPdgCode()==-321 ){
+ if(TMath::Abs(particle->Eta())> fV0Reader->GetEtaCut() ) continue;
+ fHistograms->FillHistogram("MC_PhysicalPrimaryCharged_Pt", particle->Pt());
+ }
+ }
+
+
+
//process the gammas
if (particle->GetPdgCode() == 22){
-
+ if(TMath::Abs(particle->Eta())> fV0Reader->GetEtaCut() ) continue;
if(particle->GetMother(0) >-1 && fStack->Particle(particle->GetMother(0))->GetPdgCode() == 22){
continue; // no photon as mothers!
if(particle->GetMother(0) >= fStack->GetNprimary()){
continue; // the gamma has a mother, and it is not a primary particle
}
-
+
+ if(particle->GetMother(0) >-1){
+ fHistograms->FillHistogram("MC_DecayAllGamma_Pt", particle->Pt()); // All
+ switch(fStack->Particle(particle->GetMother(0))->GetPdgCode()){
+ case 111: // Pi0
+ fHistograms->FillHistogram("MC_DecayPi0Gamma_Pt", particle->Pt());
+ break;
+ case 113: // Rho0
+ fHistograms->FillHistogram("MC_DecayRho0Gamma_Pt", particle->Pt());
+ break;
+ case 221: // Eta
+ fHistograms->FillHistogram("MC_DecayEtaGamma_Pt", particle->Pt());
+ break;
+ case 223: // Omega
+ fHistograms->FillHistogram("MC_DecayOmegaGamma_Pt", particle->Pt());
+ break;
+ case 310: // K_s0
+ fHistograms->FillHistogram("MC_DecayK0sGamma_Pt", particle->Pt());
+ break;
+ case 331: // Eta'
+ fHistograms->FillHistogram("MC_DecayEtapGamma_Pt", particle->Pt());
+ break;
+ case 333: // Phi
+ fHistograms->FillHistogram("MC_DecayPhiGamma_Pt", particle->Pt());
+ break;
+ }
+ }
+
fHistograms->FillHistogram("MC_allGamma_Energy", particle->Energy());
fHistograms->FillHistogram("MC_allGamma_Pt", particle->Pt());
fHistograms->FillHistogram("MC_allGamma_Eta", particle->Eta());
fCFManager->GetParticleContainer()->Fill(containerInput,kStepGenerated); // generated gamma
}
- if(particle->GetMother(0) < 0){ // direct gamma
+ if(particle->GetMother(0) < 0 || //Phojet p+p -> Direct Photons have no mother
+ ((particle->GetMother(0) > -1) &&
+ (TMath::Abs(fStack->Particle(particle->GetMother(0))->GetPdgCode()) < 10)) //Pythia p+p -> Direct Photons have quarks as mother
+ ){ // direct gamma
fHistograms->FillHistogram("MC_allDirectGamma_Energy",particle->Energy());
fHistograms->FillHistogram("MC_allDirectGamma_Pt", particle->Pt());
fHistograms->FillHistogram("MC_allDirectGamma_Eta", particle->Eta());
Int_t zBin = fHistograms->GetZBin(ePos->Vz());
Int_t phiBin = fHistograms->GetPhiBin(particle->Phi());
Double_t rFMD=30;
+ Double_t rITSTPCMin=50;
+ Double_t rITSTPCMax=80;
TVector3 vtxPos(ePos->Vx(),ePos->Vy(),ePos->Vz());
fHistograms->FillHistogram(nameMCMappingFMDPhiInZ, vtxPos.Phi());
}
+ if(ePos->R()>rITSTPCMin && ePos->R()<rITSTPCMax){
+ TString nameMCMappingITSTPCPhiInZ="";
+ nameMCMappingITSTPCPhiInZ.Form("MC_Conversion_Mapping_ITSTPC_Phi_in_Z_%02d",zBin);
+ fHistograms->FillHistogram(nameMCMappingITSTPCPhiInZ, vtxPos.Phi());
+ }
+
TString nameMCMappingRInZ="";
nameMCMappingRInZ.Form("MC_Conversion_Mapping_R_in_Z_%02d",zBin);
fHistograms->FillHistogram(nameMCMappingRInZ,ePos->R() );
// process motherparticles (2 gammas as daughters)
// the motherparticle had already to pass the R and the eta cut, but no line cut.
// the line cut is just valid for the conversions!
+
+ // OWN primary Pi0 debug ////////////////////////////////////////////////////////////////////////////////////////////
+ if (particle->GetPdgCode()==111){
+ if( TMath::Abs(rapidity) < fV0Reader->GetRapidityMesonCut() ){
+ fHistograms->FillHistogram("MC_Pi0_Pt_vs_Rapid_allDaughters", particle->Pt(),rapidity);
+ }
+ }
+ // end OWN primary Pi0 debug ////////////////////////////////////////////////////////////////////////////////////////
if(particle->GetNDaughters() == 2){
TParticle* daughter1 = (TParticle*)fStack->Particle(particle->GetLastDaughter());
if(daughter0->GetPdgCode() != 22 || daughter1->GetPdgCode() != 22) continue; //check for gamma gamma daughters
-
+
+ if(TMath::Abs(rapidity) > fV0Reader->GetRapidityMesonCut() ) continue;
+
// Check the acceptance for both gammas
Bool_t gammaEtaCut = kTRUE;
if(TMath::Abs(daughter0->Eta()) > fV0Reader->GetEtaCut() || TMath::Abs(daughter1->Eta()) > fV0Reader->GetEtaCut() ) gammaEtaCut = kFALSE;
fHistograms->FillHistogram("MC_Pi0_Rapid", rapidity);
fHistograms->FillHistogram("MC_Pi0_Phi", tmpPhi);
fHistograms->FillHistogram("MC_Pi0_Pt", particle->Pt());
+ fHistograms->FillHistogram("MC_Pi0_Pt_vs_Rapid", particle->Pt(),rapidity);
fHistograms->FillHistogram("MC_Pi0_Energy", particle->Energy());
fHistograms->FillHistogram("MC_Pi0_R", particle->R());
fHistograms->FillHistogram("MC_Pi0_ZR", particle->Vz(),particle->R());
fHistograms->FillHistogram("MC_Pi0_GammaDaughter_OpeningAngle", GetMCOpeningAngle(daughter0,daughter1));
fHistograms->FillHistogram("MC_Pi0_XY", particle->Vx(), particle->Vy());//only fill from one daughter to avoid multiple filling
if(TMath::Abs(particle->Eta())<0.9)fHistograms->FillHistogram("MC_Pi0_Pt_Fiducial", particle->Pt());
+
+ switch(GetProcessType(fGCMCEvent)){
+ case kProcSD:
+ fHistograms->FillHistogram("MC_SD_EvtQ3_Pi0_Pt", particle->Pt());
+ break;
+ case kProcDD:
+ fHistograms->FillHistogram("MC_DD_EvtQ3_Pi0_Pt", particle->Pt());
+ break;
+ case kProcND:
+ fHistograms->FillHistogram("MC_ND_EvtQ3_Pi0_Pt", particle->Pt());
+ break;
+ default:
+ AliError("Unknown Process");
+ }
if(gammaEtaCut && gammaRCut){
// if(TMath::Abs(daughter0->Eta()) <= fV0Reader->GetEtaCut() && TMath::Abs(daughter1->Eta()) <= fV0Reader->GetEtaCut() ){
fHistograms->FillHistogram("MC_Pi0_Pt_Eta_ConvGamma_withinAcceptance", particle->Pt(),particle->Eta());
fHistograms->FillHistogram("MC_Pi0_Pt_Rapid_ConvGamma_withinAcceptance", particle->Pt(),rapidity);
fHistograms->FillHistogram("MC_Pi0_ZR_ConvGamma_withinAcceptance", particle->Vz(),particle->R());
+ fHistograms->FillHistogram("MC_Pi0_ConvGamma_OpeningAngle_Pt", particle->Pt(),GetMCOpeningAngle(daughter0,daughter1));
+ fHistograms->FillHistogram("MC_Pi0_ConvGamma_PtGamma_Pt", particle->Pt(),daughter0->Pt());
+ fHistograms->FillHistogram("MC_Pi0_ConvGamma_PtGamma_Pt", particle->Pt(),daughter1->Pt());
+
Double_t alfa=0.;
- if((daughter0->Energy()+daughter1->Energy())!= 0.){
+ if((daughter0->Energy()+daughter1->Energy()) > 0.){
alfa= TMath::Abs((daughter0->Energy()-daughter1->Energy())/(daughter0->Energy()+daughter1->Energy()));
}
fHistograms->FillHistogram("MC_Pi0_alpha",alfa);
fHistograms->FillHistogram("MC_Eta_Rapid", rapidity);
fHistograms->FillHistogram("MC_Eta_Phi",tmpPhi);
fHistograms->FillHistogram("MC_Eta_Pt", particle->Pt());
+ fHistograms->FillHistogram("MC_Eta_Pt_vs_Rapid", particle->Pt(),rapidity);
fHistograms->FillHistogram("MC_Eta_Energy", particle->Energy());
fHistograms->FillHistogram("MC_Eta_R", particle->R());
fHistograms->FillHistogram("MC_Eta_ZR", particle->Vz(),particle->R());
fHistograms->FillHistogram("MC_Eta_Pt_Eta_ConvGamma_withinAcceptance", particle->Pt(),particle->Eta());
fHistograms->FillHistogram("MC_Eta_Pt_Rapid_ConvGamma_withinAcceptance", particle->Pt(),rapidity);
fHistograms->FillHistogram("MC_Eta_ZR_ConvGamma_withinAcceptance", particle->Vz(),particle->R());
+ fHistograms->FillHistogram("MC_Eta_ConvGamma_OpeningAngle_Pt", particle->Pt(),GetMCOpeningAngle(daughter0,daughter1));
+ fHistograms->FillHistogram("MC_Eta_ConvGamma_PtGamma_Pt", particle->Pt(),daughter0->Pt());
+ fHistograms->FillHistogram("MC_Eta_ConvGamma_PtGamma_Pt", particle->Pt(),daughter1->Pt());
+
+ Double_t alfa=0.;
+ if((daughter0->Energy()+daughter1->Energy()) > 0.){
+ alfa= TMath::Abs((daughter0->Energy()-daughter1->Energy())/(daughter0->Energy()+daughter1->Energy()));
+ }
+ fHistograms->FillHistogram("MC_Eta_alpha",alfa);
+
}
}
}
Int_t nSurvivingV0s=0;
+ fV0Reader->ResetNGoodV0s();
while(fV0Reader->NextV0()){
nSurvivingV0s++;
-
+
+ TVector3 vtxConv(fV0Reader->GetX(),fV0Reader->GetY(), fV0Reader->GetZ());
+
//-------------------------- filling v0 information -------------------------------------
fHistograms->FillHistogram("ESD_Conversion_R", fV0Reader->GetXYRadius());
fHistograms->FillHistogram("ESD_Conversion_ZR", fV0Reader->GetZ(),fV0Reader->GetXYRadius());
fHistograms->FillHistogram("ESD_Conversion_XY", fV0Reader->GetX(),fV0Reader->GetY());
fHistograms->FillHistogram("ESD_Conversion_OpeningAngle", fV0Reader->GetOpeningAngle());
-
+
+ // Specific histograms for beam pipe studies
+ if( TMath::Abs(fV0Reader->GetZ()) < fV0Reader->GetLineCutZValue() ){
+ fHistograms->FillHistogram("ESD_Conversion_XY_BeamPipe", fV0Reader->GetX(),fV0Reader->GetY());
+ fHistograms->FillHistogram("ESD_Conversion_RPhi_BeamPipe", vtxConv.Phi(),fV0Reader->GetXYRadius());
+ }
+
+
fHistograms->FillHistogram("ESD_E_Energy", fV0Reader->GetNegativeTrackEnergy());
fHistograms->FillHistogram("ESD_E_Pt", fV0Reader->GetNegativeTrackPt());
fHistograms->FillHistogram("ESD_E_Eta", fV0Reader->GetNegativeTrackEta());
fHistograms->FillHistogram("ESD_E_Phi", fV0Reader->GetNegativeTrackPhi());
fHistograms->FillHistogram("ESD_E_nTPCClusters", fV0Reader->GetNegativeTracknTPCClusters());
fHistograms->FillHistogram("ESD_E_nITSClusters", fV0Reader->GetNegativeTracknITSClusters());
-
+ Double_t eClsToF= 0;
+ if(!fV0Reader->GetUseCorrectedTPCClsInfo()){
+ if(fV0Reader->GetNegativeTracknTPCFClusters()!=0 ){
+ eClsToF=(Double_t)fV0Reader->GetNegativeTracknTPCClusters()/(Double_t)fV0Reader->GetNegativeTracknTPCFClusters();
+ }
+ }else{
+ eClsToF= fV0Reader->GetNegativeESDTrack()->GetTPCClusterInfo(2,0,fV0Reader->GetFirstTPCRow(fV0Reader->GetXYRadius()));
+ }
+ fHistograms->FillHistogram("ESD_E_nTPCClustersToFP", fV0Reader->GetNegativeTrackP(),eClsToF );
+ fHistograms->FillHistogram("ESD_E_nTPCClustersToFR", fV0Reader->GetXYRadius(),eClsToF );
+
+ if(fV0Reader->GetNegativeTracknTPCClusters()!=0 ){
+ fHistograms->FillHistogram("ESD_E_TPCchi2", fV0Reader->GetNegativeTrackTPCchi2()/(Double_t)fV0Reader->GetNegativeTracknTPCClusters());
+ }
+
+
+
fHistograms->FillHistogram("ESD_P_Energy", fV0Reader->GetPositiveTrackEnergy());
fHistograms->FillHistogram("ESD_P_Pt", fV0Reader->GetPositiveTrackPt());
fHistograms->FillHistogram("ESD_P_Eta", fV0Reader->GetPositiveTrackEta());
fHistograms->FillHistogram("ESD_P_Phi", fV0Reader->GetPositiveTrackPhi());
fHistograms->FillHistogram("ESD_P_nTPCClusters", fV0Reader->GetPositiveTracknTPCClusters());
fHistograms->FillHistogram("ESD_P_nITSClusters", fV0Reader->GetPositiveTracknITSClusters());
-
+ Double_t pClsToF= 0;
+ if(!fV0Reader->GetUseCorrectedTPCClsInfo()){
+ if(fV0Reader->GetPositiveTracknTPCFClusters()!=0){
+ pClsToF = (Double_t)fV0Reader->GetPositiveTracknTPCClusters()/(Double_t)fV0Reader->GetPositiveTracknTPCFClusters();
+ }
+ }else{
+ pClsToF= fV0Reader->GetPositiveESDTrack()->GetTPCClusterInfo(2,0,fV0Reader->GetFirstTPCRow(fV0Reader->GetXYRadius()));
+ }
+
+ fHistograms->FillHistogram("ESD_P_nTPCClustersToFP",fV0Reader->GetPositiveTrackP(), pClsToF);
+ fHistograms->FillHistogram("ESD_P_nTPCClustersToFR",fV0Reader->GetXYRadius(), pClsToF);
+
+ if(fV0Reader->GetPositiveTracknTPCClusters()!=0){
+ fHistograms->FillHistogram("ESD_P_TPCchi2", fV0Reader->GetPositiveTrackTPCchi2()/(Double_t)fV0Reader->GetPositiveTracknTPCClusters());
+ }
+
+
+
fHistograms->FillHistogram("ESD_ConvGamma_Energy", fV0Reader->GetMotherCandidateEnergy());
fHistograms->FillHistogram("ESD_ConvGamma_Pt", fV0Reader->GetMotherCandidatePt());
fHistograms->FillHistogram("ESD_ConvGamma_Eta", fV0Reader->GetMotherCandidateEta());
Int_t zBin = fHistograms->GetZBin(fV0Reader->GetZ());
Int_t phiBin = fHistograms->GetPhiBin(fV0Reader->GetNegativeTrackPhi());
Double_t rFMD=30;
+ Double_t rITSTPCMin=50;
+ Double_t rITSTPCMax=80;
- TVector3 vtxConv(fV0Reader->GetX(),fV0Reader->GetY(), fV0Reader->GetZ());
// Double_t motherCandidateEta= fV0Reader->GetMotherCandidateEta();
fHistograms->FillHistogram(nameESDMappingFMDPhiInZ, vtxConv.Phi());
}
+ if(fV0Reader->GetXYRadius()>rITSTPCMin && fV0Reader->GetXYRadius()<rITSTPCMax){
+ TString nameESDMappingITSTPCPhiInZ="";
+ nameESDMappingITSTPCPhiInZ.Form("ESD_Conversion_Mapping_ITSTPC_Phi_in_Z_%02d",zBin);
+ fHistograms->FillHistogram(nameESDMappingITSTPCPhiInZ, vtxConv.Phi());
+ }
TString nameESDMappingRInZ="";
nameESDMappingRInZ.Form("ESD_Conversion_Mapping_R_in_Z_%02d",zBin);
//----------------------------------- checking for "real" conversions (MC match) --------------------------------------
if(fDoMCTruth){
+ TParticle * negativeMC = (TParticle*)fV0Reader->GetNegativeMCParticle();
+ TParticle * positiveMC = (TParticle*)fV0Reader->GetPositiveMCParticle();
if(fV0Reader->HasSameMCMother() == kFALSE){
+ fHistograms->FillHistogram("ESD_TrueConvCombinatorial_R", fV0Reader->GetXYRadius());
+ fHistograms->FillHistogram("ESD_TrueConvCombinatorial_Pt", fV0Reader->GetMotherCandidatePt());
+ if(TMath::Abs(negativeMC->GetPdgCode())==11 && TMath::Abs(positiveMC->GetPdgCode())==11){
+ fHistograms->FillHistogram("ESD_TrueConvCombinatorialElec_R", fV0Reader->GetXYRadius());
+ fHistograms->FillHistogram("ESD_TrueConvCombinatorialElec_Pt", fV0Reader->GetMotherCandidatePt());
+ }
continue;
}
- TParticle * negativeMC = (TParticle*)fV0Reader->GetNegativeMCParticle();
- TParticle * positiveMC = (TParticle*)fV0Reader->GetPositiveMCParticle();
+ // Moved up to check true electron background
+ // TParticle * negativeMC = (TParticle*)fV0Reader->GetNegativeMCParticle();
+ // TParticle * positiveMC = (TParticle*)fV0Reader->GetPositiveMCParticle();
if(TMath::Abs(negativeMC->GetPdgCode())!=11 || TMath::Abs(positiveMC->GetPdgCode())!=11){
+ fHistograms->FillHistogram("ESD_TrueConvHadronicBck_R", fV0Reader->GetXYRadius());
+ fHistograms->FillHistogram("ESD_TrueConvHadronicBck_Pt", fV0Reader->GetMotherCandidatePt());
continue;
}
if(negativeMC->GetPdgCode()==positiveMC->GetPdgCode()){
continue;
}
- if(negativeMC->GetUniqueID() == 4 && positiveMC->GetUniqueID() ==4){// fill r distribution for Dalitz decays
- if(fV0Reader->GetMotherMCParticle()->GetPdgCode() == 111){ //pi0
- fHistograms->FillHistogram("ESD_TrueDalitzContamination_R", fV0Reader->GetXYRadius());
+
+ UInt_t statusPos = fV0Reader->GetPositiveESDTrack()->GetStatus();
+ UInt_t statusNeg = fV0Reader->GetNegativeESDTrack()->GetStatus();
+ UChar_t itsPixelPos = fV0Reader->GetPositiveESDTrack()->GetITSClusterMap();
+ UChar_t itsPixelNeg = fV0Reader->GetNegativeESDTrack()->GetITSClusterMap();
+
+ // Using the UniqueID Phojet does not get the Dalitz right
+ // if( (negativeMC->GetUniqueID() == 4 && positiveMC->GetUniqueID() ==4) ||
+ // (negativeMC->GetUniqueID() == 0 && positiveMC->GetUniqueID() ==0) ){// fill r distribution for Dalitz decays
+ if(fV0Reader->GetMotherMCParticle()->GetPdgCode() == 111){ //pi0
+ fHistograms->FillHistogram("ESD_TrueDalitzContamination_R", fV0Reader->GetXYRadius());
+ fHistograms->FillHistogram("ESD_TrueConvDalitzPi0_R", fV0Reader->GetXYRadius());
+ //--------Histos for HFE
+
+ if(statusPos & AliESDtrack::kTOFpid){
+ fHistograms->FillHistogram("ESD_TrueConvDalitzPi0_SinglePos_R", fV0Reader->GetXYRadius());
+ if( TESTBIT(itsPixelPos, 0) ){
+ fHistograms->FillHistogram("ESD_TrueConvDalitzPi0_SinglePos_kFirst_R", fV0Reader->GetXYRadius());
+ }
}
+ if(statusNeg & AliESDtrack::kTOFpid){
+ fHistograms->FillHistogram("ESD_TrueConvDalitzPi0_SingleNeg_R", fV0Reader->GetXYRadius());
+ if( TESTBIT(itsPixelNeg, 0) ){
+ fHistograms->FillHistogram("ESD_TrueConvDalitzPi0_SingleNeg_kFirst_R", fV0Reader->GetXYRadius());
+ }
+ }
+ //--------------------------------------------------------
+
+ }
+ if(fV0Reader->GetMotherMCParticle()->GetPdgCode() == 221){ //eta
+ fHistograms->FillHistogram("ESD_TrueConvDalitzEta_R", fV0Reader->GetXYRadius());
}
+ //}
+
if(negativeMC->GetUniqueID() != 5 || positiveMC->GetUniqueID() !=5){// check if the daughters come from a conversion
continue;
}
fHistograms->FillHistogram("ESD_TrueConvGamma_Pt_Chi2", fV0Reader->GetMotherCandidatePt(), fV0Reader->GetMotherCandidateChi2());
fHistograms->FillHistogram("ESD_TrueConvGamma_Eta_Chi2", fV0Reader->GetMotherCandidateEta(), fV0Reader->GetMotherCandidateChi2());
-
+ fHistograms->FillHistogram("ESD_TrueConversion_E_nTPCClustersToFR", fV0Reader->GetXYRadius(),eClsToF );
+ fHistograms->FillHistogram("ESD_TrueConversion_P_nTPCClustersToFR",fV0Reader->GetXYRadius(), pClsToF);
+
fHistograms->FillHistogram("ESD_TrueConversion_XY", fV0Reader->GetX(),fV0Reader->GetY());
fHistograms->FillHistogram("ESD_TrueConversion_R", fV0Reader->GetXYRadius());
fHistograms->FillHistogram("ESD_TrueConversion_ZR", fV0Reader->GetZ(),fV0Reader->GetXYRadius());
fHistograms->FillHistogram("ESD_TrueConversion_OpeningAngle", fV0Reader->GetOpeningAngle());
+ //----Histos for HFE--------------------------------------
+
+ if(statusPos & AliESDtrack::kTOFpid){
+ fHistograms->FillHistogram("ESD_TrueConversion_SinglePos_R", positiveMC->R(),fV0Reader->GetPositiveMCParticle()->Pt());
+ if( TESTBIT(itsPixelPos, 0) ){
+ fHistograms->FillHistogram("ESD_TrueConversion_SinglePos_kFirst_R", positiveMC->R(),fV0Reader->GetPositiveMCParticle()->Pt());
+ }
+ }
+ if(statusNeg & AliESDtrack::kTOFpid){
+ fHistograms->FillHistogram("ESD_TrueConversion_SingleNeg_R", negativeMC->R(),fV0Reader->GetNegativeMCParticle()->Pt());
+ if( TESTBIT(itsPixelNeg, 0) ){
+ fHistograms->FillHistogram("ESD_TrueConversion_SingleNeg_kFirst_R", negativeMC->R(),fV0Reader->GetNegativeMCParticle()->Pt());
+ }
+ }
+ //--------------------------------------------------------
+
fHistograms->FillHistogram("ESD_TrueConvGamma_CosPointingAngle", fV0Reader->GetCosPointingAngle());
fHistograms->FillHistogram("ESD_TrueConvGamma_DcaDaughters", fV0Reader->GetDcaDaughters());
fHistograms->FillHistogram("ESD_TrueConvGamma_NormDcaDistDaughters", fV0Reader->GetNormDcaDistDaughters());
fHistograms->FillHistogram("ESD_TrueConvGamma_LikelihoodAP", fV0Reader->GetLikelihoodAP());
-
- fHistograms->FillHistogram("ESD_TrueConvGamma_E_AsymmetryP",fV0Reader->GetMotherCandidateP(),fV0Reader->GetNegativeTrackP()/fV0Reader->GetMotherCandidateP());
- fHistograms->FillHistogram("ESD_TrueConvGamma_P_AsymmetryP",fV0Reader->GetMotherCandidateP(),fV0Reader->GetPositiveTrackP()/fV0Reader->GetMotherCandidateP());
+ if (fV0Reader->GetMotherCandidateP() != 0) {
+ fHistograms->FillHistogram("ESD_TrueConvGamma_E_AsymmetryP",fV0Reader->GetMotherCandidateP(),fV0Reader->GetNegativeTrackP()/fV0Reader->GetMotherCandidateP());
+ fHistograms->FillHistogram("ESD_TrueConvGamma_P_AsymmetryP",fV0Reader->GetMotherCandidateP(),fV0Reader->GetPositiveTrackP()/fV0Reader->GetMotherCandidateP());
+ } else { cout << "Error::fV0Reader->GetNegativeTrackP() == 0 !!!" << endl; }
+
fHistograms->FillHistogram("ESD_TrueConvGamma_E_dEdxP",fV0Reader->GetNegativeTrackP(),fV0Reader->GetNegativeTrackTPCdEdx());
fHistograms->FillHistogram("ESD_TrueConvGamma_P_dEdxP",fV0Reader->GetPositiveTrackP(),fV0Reader->GetPositiveTrackTPCdEdx());
fHistograms->FillHistogram("ESD_TrueConvGamma_alfa_qt",armenterosQtAlfa[1],armenterosQtAlfa[0]);
// AliESDtrack * negTrk = fV0Reader->GetNegativeESDTrack();
UInt_t kTRDoutN = (statusN & AliESDtrack::kTRDout);
- Int_t ITSclsE= fV0Reader->GetNegativeTracknITSClusters();
+ Int_t nITSclsE= fV0Reader->GetNegativeTracknITSClusters();
// filling Resolution_Pt_dPt with respect to the Number of ITS clusters for Positrons
- switch(ITSclsE){
+ switch(nITSclsE){
case 0: // 0 ITS clusters
fHistograms->FillHistogram("Resolution_E_dPt_Pt_ITS0", mcEpt, resEdPt);
break;
// AliESDtrack * posTr= fV0Reader->GetPositiveESDTrack();
UInt_t kTRDoutP = (statusP & AliESDtrack::kTRDout);
- Int_t ITSclsP = fV0Reader->GetPositiveTracknITSClusters();
+ Int_t nITSclsP = fV0Reader->GetPositiveTracknITSClusters();
// filling Resolution_Pt_dPt with respect to the Number of ITS clusters for Positrons
- switch(ITSclsP){
+ switch(nITSclsP){
case 0: // 0 ITS clusters
fHistograms->FillHistogram("Resolution_P_dPt_Pt_ITS0", mcPpt, resPdPt);
break;
fV0Reader->ResetV0IndexNumber();
}
+void AliAnalysisTaskGammaConversion::AddToAODBranch(TClonesArray * branch, AliAODPWG4Particle & particle) {
+ //See header file for documentation
+
+ Int_t i = branch->GetEntriesFast();
+ if(! (fOutputAODClassName.Contains("Correlation")) ) {
+ new((*branch)[i]) AliAODPWG4Particle(particle);
+ } else {
+ new((*branch)[i]) AliAODPWG4ParticleCorrelation(particle);
+ }
+}
+
+void AliAnalysisTaskGammaConversion::AddToAODBranch(TClonesArray * branch, AliGammaConversionAODObject & particle) {
+ //See header file for documentation
+
+ Int_t i = branch->GetEntriesFast();
+ new((*branch)[i]) AliGammaConversionAODObject(particle);
+}
+
+void AliAnalysisTaskGammaConversion::AddToAODBranch(TClonesArray * branch, AliAODConversionParticle & particle) {
+ //See header file for documentation
+
+ Int_t i = branch->GetEntriesFast();
+ new((*branch)[i]) AliAODConversionParticle(particle);
+}
+
+
void AliAnalysisTaskGammaConversion::FillAODWithConversionGammas(){
// Fill AOD with reconstructed Gamma
for(Int_t gammaIndex=0;gammaIndex<fKFReconstructedGammasTClone->GetEntriesFast();gammaIndex++){
- // for(UInt_t gammaIndex=0;gammaIndex<fKFReconstructedGammas.size();gammaIndex++){
- //Create AOD particle object from AliKFParticle
-
- /* AliKFParticle * gammakf = &fKFReconstructedGammas[gammaIndex];
- //You could add directly AliKFParticle objects to the AOD, avoiding dependences with PartCorr
- //but this means that I have to work a little bit more in my side.
- //AODPWG4Particle objects are simpler and lighter, I think
- AliAODPWG4Particle gamma = AliAODPWG4Particle(gammakf->Px(),gammakf->Py(),gammakf->Pz(), gammakf->E());
- gamma.SetLabel(-1);//How to get the MC label of the reconstructed gamma?
- gamma.SetCaloLabel(-1,-1); //How to get the MC label of the 2 electrons that form the gamma?
- gamma.SetDetector("CTS"); //tag the gamma as reconstructed in the central barrel
- gamma.SetPdg(AliCaloPID::kPhotonConv); //photon id
- gamma.SetTag(-1); //Here I usually put a flag saying that montecarlo says it is prompt, decay fragmentation photon, or hadrons or whatever
-
- //Add it to the aod list
- Int_t i = fAODBranch->GetEntriesFast();
- new((*fAODBranch)[i]) AliAODPWG4Particle(gamma);
- */
- // AliKFParticle * gammakf = &fKFReconstructedGammas[gammaIndex];
- AliKFParticle * gammakf = (AliKFParticle *)fKFReconstructedGammasTClone->At(gammaIndex);
- AliGammaConversionAODObject aodObject;
- aodObject.SetPx(gammakf->GetPx());
- aodObject.SetPy(gammakf->GetPy());
- aodObject.SetPz(gammakf->GetPz());
- aodObject.SetLabel1(fElectronv1[gammaIndex]);
- aodObject.SetLabel2(fElectronv2[gammaIndex]);
- Int_t i = fAODBranch->GetEntriesFast();
- new((*fAODBranch)[i]) AliGammaConversionAODObject(aodObject);
- }
+ AliKFParticle * gammakf = dynamic_cast<AliKFParticle*>(fKFReconstructedGammasTClone->At(gammaIndex));
+
+ if(fOutputAODClassName.Contains("AliAODPWG4Particle")) {
+ AliAODPWG4Particle gamma = AliAODPWG4Particle(gammakf->Px(),gammakf->Py(),gammakf->Pz(), gammakf->E());
+ //gamma.SetLabel(-1);//How to get the MC label of the reconstructed gamma?
+ gamma.SetTrackLabel( fElectronv1[gammaIndex], fElectronv2[gammaIndex] ); //How to get the MC label of the 2 electrons that form the gamma?
+ gamma.SetDetector("CTS"); //tag the gamma as reconstructed in the central barrel
+ gamma.SetPdg(AliPID::kEleCon); //photon id
+ gamma.SetTag(-1); //Here I usually put a flag saying that montecarlo says it is prompt, decay fragmentation photon, or hadrons or whatever
+ //PH gamma.SetChi2(gammakf->Chi2());
+
+ AddToAODBranch(fAODGamma, gamma);
+
+ } else if(fOutputAODClassName.Contains("ConversionParticle")) {
+ TLorentzVector momentum(gammakf->Px(),gammakf->Py(),gammakf->Pz(), gammakf->E());
+ AliAODConversionParticle gamma = AliAODConversionParticle(momentum);
+ //gamma.SetLabel(-1);//How to get the MC label of the reconstructed gamma?
+ gamma.SetTrackLabels( fElectronv1[gammaIndex], fElectronv2[gammaIndex] ); //How to get the MC label of the 2 electrons that form the gamma?
+ //gamma.SetPdg(AliPID::kEleCon); //photon id
+ //gamma.SetTag(-1); //Here I usually put a flag saying that montecarlo says it is prompt, decay fragmentation photon, or hadrons or whatever
+ gamma.SetChi2(gammakf->Chi2());
+ gamma.SetTrackLabels( fElectronv1[gammaIndex], fElectronv2[gammaIndex] );
+ gamma.SetESDEvent(dynamic_cast<AliESDEvent*>(InputEvent()));
+ AddToAODBranch(fAODGamma, gamma);
+
+
+
+ } else {
+ AliGammaConversionAODObject gamma;
+ gamma.SetPx(gammakf->GetPx());
+ gamma.SetPy(gammakf->GetPy());
+ gamma.SetPz(gammakf->GetPz());
+ gamma.SetE(gammakf->GetE());
+ gamma.SetLabel1(fElectronv1[gammaIndex]);
+ gamma.SetLabel2(fElectronv2[gammaIndex]);
+ gamma.SetChi2(gammakf->Chi2());
+ gamma.SetE(gammakf->E());
+ gamma.SetESDEvent(dynamic_cast<AliESDEvent*>(InputEvent()));
+ AddToAODBranch(fAODGamma, gamma);
+ }
+ }
}
-
void AliAnalysisTaskGammaConversion::ProcessGammasForOmegaMesonAnalysis(){
// omega meson analysis pi0+gamma decay
for(Int_t firstPi0Index=0;firstPi0Index<fKFReconstructedPi0sTClone->GetEntriesFast();firstPi0Index++){
omegaCandidate.GetMass(massOmegaCandidate,widthOmegaCandidate);
+ if ( massOmegaCandidate > 733 && massOmegaCandidate < 833 ) {
+ //AddOmegaToAOD(&omegaCandidate, massOmegaCandidate, firstPi0Index, firstGammaIndex);
+ }
+
fHistograms->FillHistogram("ESD_Omega_InvMass_vs_Pt",massOmegaCandidate ,omegaCandidate.GetPt());
fHistograms->FillHistogram("ESD_Omega_InvMass",massOmegaCandidate);
for(Int_t iCh=0;iCh<fChargedParticles->GetEntriesFast();iCh++){
AliESDtrack* posTrack = (AliESDtrack*)(fChargedParticles->At(iCh));
if (posTrack->GetSign()<0) continue;
+ if(TMath::Abs(fV0Reader->GetESDpid()->NumberOfSigmasTPC(posTrack,AliPID::kPion))>2.) continue;
if (posPiKF) delete posPiKF; posPiKF=NULL;
posPiKF = new AliKFParticle( *(posTrack) ,211);
for(Int_t jCh=0;jCh<fChargedParticles->GetEntriesFast();jCh++){
AliESDtrack* negTrack = (AliESDtrack*)(fChargedParticles->At(jCh));
if( negTrack->GetSign()>0) continue;
+ if(TMath::Abs(fV0Reader->GetESDpid()->NumberOfSigmasTPC(negTrack,AliPID::kPion))>2.) continue;
if (negPiKF) delete negPiKF; negPiKF=NULL;
negPiKF = new AliKFParticle( *(negTrack) ,-211);
AliKFParticle omegaCandidatePipPinPi0(*omegaCandidatePi0Daughter,*posPiKF,*negPiKF);
Double_t widthOmegaCandidatePipPinPi0 = 0.;
omegaCandidatePipPinPi0.GetMass(massOmegaCandidatePipPinPi0,widthOmegaCandidatePipPinPi0);
+
+ if ( massOmegaCandidatePipPinPi0 > 733 && massOmegaCandidatePipPinPi0 < 833 ) {
+ // AddOmegaToAOD(&omegaCandidatePipPinPi0, massOmegaCandidatePipPinPi0, -1, -1);
+ }
fHistograms->FillHistogram("ESD_OmegaPipPinPi0_InvMass_vs_Pt",massOmegaCandidatePipPinPi0 ,omegaCandidatePipPinPi0.GetPt());
fHistograms->FillHistogram("ESD_OmegaPipPinPi0_InvMass",massOmegaCandidatePipPinPi0);
// delete omegaCandidatePipPinPi0;
}
}
- } // checking ig gammajet because in that case the chargedparticle list is created
+ if (posPiKF) delete posPiKF; posPiKF=NULL; if (negPiKF) delete negPiKF; negPiKF=NULL;
+ } // checking ig gammajet because in that case the chargedparticle list is created
}
if(fCalculateBackground){
+
+ AliGammaConversionBGHandler * bgHandler = fV0Reader->GetBGHandler();
+
+ Int_t zbin= bgHandler->GetZBinIndex(fV0Reader->GetVertexZ());
+ Int_t mbin = 0;
+ if(fUseTrackMultiplicityForBG == kTRUE){
+ mbin = bgHandler->GetMultiplicityBinIndex(fV0Reader->CountESDTracks());
+ }
+ else{
+ mbin = bgHandler->GetMultiplicityBinIndex(fV0Reader->GetNGoodV0s());
+ }
+
+ AliGammaConversionBGHandler::GammaConversionVertex *bgEventVertex = NULL;
+
// Background calculation for the omega
for(Int_t nEventsInBG=0;nEventsInBG <fV0Reader->GetNBGEvents();nEventsInBG++){
- AliGammaConversionKFVector * previousEventV0s = fV0Reader->GetBGGoodV0s(nEventsInBG);
+ AliGammaConversionKFVector * previousEventV0s = bgHandler->GetBGGoodV0s(zbin,mbin,nEventsInBG);
+
+ if(fMoveParticleAccordingToVertex == kTRUE){
+ bgEventVertex = bgHandler->GetBGEventVertex(zbin,mbin,nEventsInBG);
+ }
for(UInt_t iPrevious=0;iPrevious<previousEventV0s->size();iPrevious++){
AliKFParticle previousGoodV0 = (AliKFParticle)(*(previousEventV0s->at(iPrevious)));
+
+ if(fMoveParticleAccordingToVertex == kTRUE){
+ MoveParticleAccordingToVertex(&previousGoodV0,bgEventVertex);
+ }
+
for(Int_t firstPi0Index=0;firstPi0Index<fKFReconstructedPi0sTClone->GetEntriesFast();firstPi0Index++){
AliKFParticle * omegaCandidatePi0Daughter = (AliKFParticle *)fKFReconstructedPi0sTClone->At(firstPi0Index);
AliKFParticle * omegaBckCandidate = new AliKFParticle(*omegaCandidatePi0Daughter,previousGoodV0);
Double_t widthOmegaBckCandidate = 0.;
omegaBckCandidate->GetMass(massOmegaBckCandidate,widthOmegaBckCandidate);
+
+
fHistograms->FillHistogram("ESD_Omega_Bck_InvMass_vs_Pt",massOmegaBckCandidate ,omegaBckCandidate->GetPt());
fHistograms->FillHistogram("ESD_Omega_Bck_InvMass",massOmegaBckCandidate);
} // end of checking if background calculation is available
}
+
+void AliAnalysisTaskGammaConversion::AddOmegaToAOD(const AliKFParticle * const omegakf, Double_t mass, Int_t omegaDaughter, Int_t gammaDaughter) {
+ //See header file for documentation
+ AliGammaConversionAODObject omega;
+ omega.SetPx(omegakf->GetPx());
+ omega.SetPy(omegakf->GetPy());
+ omega.SetPz(omegakf->GetPz());
+ omega.SetChi2(omegakf->GetChi2());
+ omega.SetE(omegakf->GetE());
+ omega.SetIMass(mass);
+ omega.SetLabel1(omegaDaughter);
+ // //dynamic_cast<AliAODPWG4Particle*>(fAODBranch->At(daughter1))->SetTagged(kTRUE);
+ omega.SetLabel2(gammaDaughter);
+ AddToAODBranch(fAODOmega, omega);
+}
+
+
+
void AliAnalysisTaskGammaConversion::ProcessGammasForNeutralMesonAnalysis(){
// see header file for documentation
// for(UInt_t firstGammaIndex=0;firstGammaIndex<fKFReconstructedGammas.size();firstGammaIndex++){
// for(UInt_t secondGammaIndex=firstGammaIndex+1;secondGammaIndex<fKFReconstructedGammas.size();secondGammaIndex++){
+ fESDEvent = fV0Reader->GetESDEvent();
+
if(fKFReconstructedGammasTClone->GetEntriesFast()>fV0Reader->GetNumberOfV0s()){
cout<<"Warning, number of entries in the tclone is bigger than number of v0s"<<endl;
}
Double_t widthTwoGammaCandidate = 0.;
Double_t chi2TwoGammaCandidate =10000.;
twoGammaCandidate->GetMass(massTwoGammaCandidate,widthTwoGammaCandidate);
- if(twoGammaCandidate->GetNDF()>0){
- chi2TwoGammaCandidate = twoGammaCandidate->GetChi2()/twoGammaCandidate->GetNDF();
+ // if(twoGammaCandidate->GetNDF()>0){
+ // chi2TwoGammaCandidate = twoGammaCandidate->GetChi2()/twoGammaCandidate->GetNDF();
+ chi2TwoGammaCandidate = twoGammaCandidate->GetChi2();
fHistograms->FillHistogram("ESD_Mother_Chi2",chi2TwoGammaCandidate);
- if(chi2TwoGammaCandidate>0 && chi2TwoGammaCandidate<fV0Reader->GetChi2CutMeson()){
+ if((chi2TwoGammaCandidate>0 && chi2TwoGammaCandidate<fV0Reader->GetChi2CutMeson()) || fApplyChi2Cut == kFALSE){
TVector3 momentumVectorTwoGammaCandidate(twoGammaCandidate->GetPx(),twoGammaCandidate->GetPy(),twoGammaCandidate->GetPz());
TVector3 spaceVectorTwoGammaCandidate(twoGammaCandidate->GetX(),twoGammaCandidate->GetY(),twoGammaCandidate->GetZ());
Double_t openingAngleTwoGammaCandidate = twoGammaDecayCandidateDaughter0->GetAngle(*twoGammaDecayCandidateDaughter1);
Double_t rapidity;
- if(twoGammaCandidate->GetE() - twoGammaCandidate->GetPz() == 0 || twoGammaCandidate->GetE() + twoGammaCandidate->GetPz() == 0){
+ if(twoGammaCandidate->GetE() - twoGammaCandidate->GetPz() <= 0 || twoGammaCandidate->GetE() + twoGammaCandidate->GetPz() <= 0){
+ cout << "Error: |Pz| > E !!!! " << endl;
rapidity=0;
}
else{
rapidity = 0.5*(TMath::Log((twoGammaCandidate->GetE() +twoGammaCandidate->GetPz()) / (twoGammaCandidate->GetE()-twoGammaCandidate->GetPz())));
}
+
+ if(TMath::Abs(rapidity) > fV0Reader->GetRapidityMesonCut()){
+ delete twoGammaCandidate;
+ continue; // rapidity cut
+ }
+
+
Double_t alfa=0.0;
if( (twoGammaDecayCandidateDaughter0->GetE()+twoGammaDecayCandidateDaughter1->GetE()) != 0){
alfa=TMath::Abs((twoGammaDecayCandidateDaughter0->GetE()-twoGammaDecayCandidateDaughter1->GetE())
continue; // minimum opening angle to avoid using ghosttracks
}
- fHistograms->FillHistogram("ESD_Mother_GammaDaughter_OpeningAngle", openingAngleTwoGammaCandidate);
- fHistograms->FillHistogram("ESD_Mother_Energy", twoGammaCandidate->GetE());
- fHistograms->FillHistogram("ESD_Mother_Pt", momentumVectorTwoGammaCandidate.Pt());
- fHistograms->FillHistogram("ESD_Mother_Eta", momentumVectorTwoGammaCandidate.Eta());
- fHistograms->FillHistogram("ESD_Mother_Rapid", rapidity);
- fHistograms->FillHistogram("ESD_Mother_Phi", spaceVectorTwoGammaCandidate.Phi());
- fHistograms->FillHistogram("ESD_Mother_Mass", massTwoGammaCandidate);
- fHistograms->FillHistogram("ESD_Mother_alfa", alfa);
- fHistograms->FillHistogram("ESD_Mother_R", spaceVectorTwoGammaCandidate.Pt()); // Pt in Space == R!!!
- fHistograms->FillHistogram("ESD_Mother_ZR", twoGammaCandidate->GetZ(), spaceVectorTwoGammaCandidate.Pt());
- fHistograms->FillHistogram("ESD_Mother_XY", twoGammaCandidate->GetX(), twoGammaCandidate->GetY());
- fHistograms->FillHistogram("ESD_Mother_InvMass_vs_Pt",massTwoGammaCandidate ,momentumVectorTwoGammaCandidate.Pt());
- if(alfa<fV0Reader->GetAlphaCutMeson()){
+ if(alfa>fV0Reader->GetAlphaMinCutMeson() && alfa<fV0Reader->GetAlphaCutMeson()){
+ fHistograms->FillHistogram("ESD_Mother_GammaDaughter_OpeningAngle", openingAngleTwoGammaCandidate);
+ fHistograms->FillHistogram("ESD_Mother_Energy", twoGammaCandidate->GetE());
+ fHistograms->FillHistogram("ESD_Mother_Pt", momentumVectorTwoGammaCandidate.Pt());
+ fHistograms->FillHistogram("ESD_Mother_Eta", momentumVectorTwoGammaCandidate.Eta());
+ fHistograms->FillHistogram("ESD_Mother_Rapid", rapidity);
+ fHistograms->FillHistogram("ESD_Mother_Phi", spaceVectorTwoGammaCandidate.Phi());
+ fHistograms->FillHistogram("ESD_Mother_Mass", massTwoGammaCandidate);
+ fHistograms->FillHistogram("ESD_Mother_alfa", alfa);
+ if(massTwoGammaCandidate>0.1 && massTwoGammaCandidate<0.15){
+ fHistograms->FillHistogram("ESD_Mother_alfa_Pi0", alfa);
+ }
+ if(massTwoGammaCandidate>0.5 && massTwoGammaCandidate<0.57){
+ fHistograms->FillHistogram("ESD_Mother_alfa_Eta", alfa);
+ }
+
+ fHistograms->FillHistogram("ESD_Mother_R", spaceVectorTwoGammaCandidate.Pt()); // Pt in Space == R!!!
+ fHistograms->FillHistogram("ESD_Mother_ZR", twoGammaCandidate->GetZ(), spaceVectorTwoGammaCandidate.Pt());
+ fHistograms->FillHistogram("ESD_Mother_XY", twoGammaCandidate->GetX(), twoGammaCandidate->GetY());
+ fHistograms->FillHistogram("ESD_Mother_InvMass_vs_Pt",massTwoGammaCandidate ,momentumVectorTwoGammaCandidate.Pt());
+ fHistograms->FillHistogram("ESD_Mother_InvMass",massTwoGammaCandidate);
fHistograms->FillHistogram("ESD_Mother_InvMass_vs_Pt_alpha",massTwoGammaCandidate ,momentumVectorTwoGammaCandidate.Pt());
}
- fHistograms->FillHistogram("ESD_Mother_InvMass",massTwoGammaCandidate);
+ if(alfa<0.1){
+ fHistograms->FillHistogram("ESD_Mother_InvMass_vs_E_alpha",massTwoGammaCandidate ,twoGammaCandidate->GetE());
+ }
+
if(fCalculateBackground){
+ /* Kenneth, just for testing*/
+ AliGammaConversionBGHandler * bgHandlerTest = fV0Reader->GetBGHandler();
+
+ Int_t zbin= bgHandlerTest->GetZBinIndex(fV0Reader->GetVertexZ());
+ Int_t mbin=0;
+ Int_t multKAA=0;
+ if(fUseTrackMultiplicityForBG == kTRUE){
+ multKAA=fV0Reader->CountESDTracks();
+ mbin = bgHandlerTest->GetMultiplicityBinIndex(fV0Reader->CountESDTracks());
+ }
+ else{// means we use #v0s for multiplicity
+ multKAA=fV0Reader->GetNGoodV0s();
+ mbin = bgHandlerTest->GetMultiplicityBinIndex(fV0Reader->GetNGoodV0s());
+ }
+ // cout<<"Filling bin number "<<zbin<<" and "<<mbin<<endl;
+ // cout<<"Corresponding to z = "<<fV0Reader->GetVertexZ()<<" and m = "<<multKAA<<endl;
+ if(alfa>fV0Reader->GetAlphaMinCutMeson() && alfa<fV0Reader->GetAlphaCutMeson()){
+ fHistograms->FillHistogram(Form("%d%dESD_Mother_InvMass",zbin,mbin),massTwoGammaCandidate);
+ fHistograms->FillHistogram(Form("%d%dESD_Mother_InvMass_vs_Pt",zbin,mbin),massTwoGammaCandidate ,momentumVectorTwoGammaCandidate.Pt());
+ /* end Kenneth, just for testing*/
+ fHistograms->FillHistogram(Form("%dESD_Mother_InvMass_vs_Pt",mbin),massTwoGammaCandidate ,momentumVectorTwoGammaCandidate.Pt());
+ }
+ }
+ /* if(fCalculateBackground){
AliGammaConversionBGHandler * bgHandler = fV0Reader->GetBGHandler();
Int_t mbin= bgHandler->GetMultiplicityBinIndex(fV0Reader->CountESDTracks());
fHistograms->FillHistogram(Form("%dESD_Mother_InvMass_vs_Pt",mbin),massTwoGammaCandidate ,momentumVectorTwoGammaCandidate.Pt());
- }
+ }*/
// if(fDoNeutralMesonV0MCCheck){
if(fDoMCTruth){
//Kenneth: Checking the eta of the gamma to check the difference between 0.9 and 1.2
fV0Reader->GetV0(indexKF1);//updates to the correct v0
Double_t eta1 = fV0Reader->GetMotherCandidateEta();
Bool_t isRealPi0=kFALSE;
+ Bool_t isRealEta=kFALSE;
Int_t gamma1MotherLabel=-1;
if(fV0Reader->HasSameMCMother() == kTRUE){
//cout<<"This v0 is a real v0!!!!"<<endl;
gamma1MotherLabel=fV0Reader->GetMotherMCParticle()->GetFirstMother();
}
}
+ if(fV0Reader->GetMotherMCParticle()->GetPdgCode() ==111){
+ gamma1MotherLabel=-111;
+ }
+ if(fV0Reader->GetMotherMCParticle()->GetPdgCode() ==221){
+ gamma1MotherLabel=-221;
+ }
}
}
Int_t indexKF2 = fKFReconstructedGammasV0Index.at(secondGammaIndex);
gamma2MotherLabel=fV0Reader->GetMotherMCParticle()->GetFirstMother();
}
}
- }
+ if(fV0Reader->GetMotherMCParticle()->GetPdgCode() ==111){
+ gamma2MotherLabel=-111;
+ }
+ if(fV0Reader->GetMotherMCParticle()->GetPdgCode() ==221){
+ gamma2MotherLabel=-221;
+ }
+
+ }
}
if(gamma1MotherLabel>=0 && gamma1MotherLabel==gamma2MotherLabel){
if(fV0Reader->CheckIfPi0IsMother(gamma1MotherLabel)){
isRealPi0=kTRUE;
}
+ if(fV0Reader->CheckIfEtaIsMother(gamma1MotherLabel)){
+ isRealEta=kTRUE;
+ }
+
}
+ if(alfa>fV0Reader->GetAlphaMinCutMeson() && alfa<fV0Reader->GetAlphaCutMeson()){
+ if(TMath::Abs(eta1)>0.9 && TMath::Abs(eta2)>0.9){
+ // fHistograms->FillHistogram("ESD_Mother_InvMass_1212",massTwoGammaCandidate);
+ // fHistograms->FillHistogram("ESD_Mother_InvMass_vs_Pt1212",massTwoGammaCandidate,momentumVectorTwoGammaCandidate.Pt());
+ if(isRealPi0 || isRealEta){
+ fHistograms->FillHistogram("ESD_TruePi0_InvMass_1212",massTwoGammaCandidate);
+ fHistograms->FillHistogram("ESD_TruePi0_OpeningAngle_1212",openingAngleTwoGammaCandidate);
+ fHistograms->FillHistogram("ESD_TruePi0_InvMass_vs_Pt1212",massTwoGammaCandidate,momentumVectorTwoGammaCandidate.Pt());
+ fHistograms->FillHistogram("ESD_TruePi0_InvMass_vs_Pt",massTwoGammaCandidate ,momentumVectorTwoGammaCandidate.Pt());
+ fHistograms->FillHistogram("ESD_TruePi0_InvMass",massTwoGammaCandidate);
+ fHistograms->FillHistogram("ESD_TruePi0_InvMass_vs_Pt_alpha",massTwoGammaCandidate ,momentumVectorTwoGammaCandidate.Pt());
+ }
+
+ if(!isRealPi0 && !isRealEta){
+ if(gamma1MotherLabel>-1 && gamma2MotherLabel>-1){
+ fHistograms->FillHistogram("ESD_TrueBckGG_InvMass_vs_Pt",massTwoGammaCandidate,momentumVectorTwoGammaCandidate.Pt());
+ }else{
+ fHistograms->FillHistogram("ESD_TrueBckCont_InvMass_vs_Pt",massTwoGammaCandidate,momentumVectorTwoGammaCandidate.Pt());
+ }
+ if(gamma1MotherLabel==-111 || gamma2MotherLabel==-111 || gamma1MotherLabel==-221 || gamma2MotherLabel==-221){
+ fHistograms->FillHistogram("ESD_TruePi0DalitzCont_InvMass_vs_Pt",massTwoGammaCandidate,momentumVectorTwoGammaCandidate.Pt());
+ }
+ }
- if(TMath::Abs(eta1)>0.9 && TMath::Abs(eta2)>0.9){
- // fHistograms->FillHistogram("ESD_Mother_InvMass_1212",massTwoGammaCandidate);
- // fHistograms->FillHistogram("ESD_Mother_InvMass_vs_Pt1212",massTwoGammaCandidate,momentumVectorTwoGammaCandidate.Pt());
- if(isRealPi0){
- fHistograms->FillHistogram("ESD_TruePi0_InvMass_1212",massTwoGammaCandidate);
- fHistograms->FillHistogram("ESD_TruePi0_OpeningAngle_1212",openingAngleTwoGammaCandidate);
- fHistograms->FillHistogram("ESD_TruePi0_InvMass_vs_Pt1212",massTwoGammaCandidate,momentumVectorTwoGammaCandidate.Pt());
- fHistograms->FillHistogram("ESD_TruePi0_InvMass_vs_Pt",massTwoGammaCandidate ,momentumVectorTwoGammaCandidate.Pt());
- fHistograms->FillHistogram("ESD_TruePi0_InvMass",massTwoGammaCandidate);
}
- }
- else if(TMath::Abs(eta1)>0.9 || TMath::Abs(eta2)>0.9){
+ else if(TMath::Abs(eta1)>0.9 || TMath::Abs(eta2)>0.9){
// fHistograms->FillHistogram("ESD_Mother_InvMass_0912",massTwoGammaCandidate);
// fHistograms->FillHistogram("ESD_Mother_InvMass_vs_Pt0912",massTwoGammaCandidate,momentumVectorTwoGammaCandidate.Pt());
- if(isRealPi0){
- fHistograms->FillHistogram("ESD_TruePi0_InvMass_0912",massTwoGammaCandidate);
- fHistograms->FillHistogram("ESD_TruePi0_OpeningAngle_0912",openingAngleTwoGammaCandidate);
- fHistograms->FillHistogram("ESD_TruePi0_InvMass_vs_Pt0912",massTwoGammaCandidate,momentumVectorTwoGammaCandidate.Pt());
- fHistograms->FillHistogram("ESD_TruePi0_InvMass_vs_Pt",massTwoGammaCandidate ,momentumVectorTwoGammaCandidate.Pt());
- fHistograms->FillHistogram("ESD_TruePi0_InvMass",massTwoGammaCandidate);
+
+ if(isRealPi0 || isRealEta){
+ fHistograms->FillHistogram("ESD_TruePi0_InvMass_0912",massTwoGammaCandidate);
+ fHistograms->FillHistogram("ESD_TruePi0_OpeningAngle_0912",openingAngleTwoGammaCandidate);
+ fHistograms->FillHistogram("ESD_TruePi0_InvMass_vs_Pt0912",massTwoGammaCandidate,momentumVectorTwoGammaCandidate.Pt());
+ fHistograms->FillHistogram("ESD_TruePi0_InvMass_vs_Pt",massTwoGammaCandidate ,momentumVectorTwoGammaCandidate.Pt());
+ fHistograms->FillHistogram("ESD_TruePi0_InvMass",massTwoGammaCandidate);
+ fHistograms->FillHistogram("ESD_TruePi0_InvMass_vs_Pt_alpha",massTwoGammaCandidate ,momentumVectorTwoGammaCandidate.Pt());
+ }
+ if(!isRealPi0 && !isRealEta){
+ if(gamma1MotherLabel>-1 && gamma2MotherLabel>-1){
+ fHistograms->FillHistogram("ESD_TrueBckGG_InvMass_vs_Pt",massTwoGammaCandidate,momentumVectorTwoGammaCandidate.Pt());
+ }else{
+ fHistograms->FillHistogram("ESD_TrueBckCont_InvMass_vs_Pt",massTwoGammaCandidate,momentumVectorTwoGammaCandidate.Pt());
+ }
+ if(gamma1MotherLabel==-111 || gamma2MotherLabel==-111 || gamma1MotherLabel==-221 || gamma2MotherLabel==-221){
+ fHistograms->FillHistogram("ESD_TruePi0DalitzCont_InvMass_vs_Pt",massTwoGammaCandidate,momentumVectorTwoGammaCandidate.Pt());
+ }
+ }
}
- }
- else{
+ else{
// fHistograms->FillHistogram("ESD_Mother_InvMass_0909",massTwoGammaCandidate);
// fHistograms->FillHistogram("ESD_Mother_InvMass_vs_Pt0909",massTwoGammaCandidate,momentumVectorTwoGammaCandidate.Pt());
- if(isRealPi0){
- fHistograms->FillHistogram("ESD_TruePi0_InvMass_0909",massTwoGammaCandidate);
- fHistograms->FillHistogram("ESD_TruePi0_OpeningAngle_0909",openingAngleTwoGammaCandidate);
- fHistograms->FillHistogram("ESD_TruePi0_InvMass_vs_Pt0909",massTwoGammaCandidate,momentumVectorTwoGammaCandidate.Pt());
- fHistograms->FillHistogram("ESD_TruePi0_InvMass_vs_Pt",massTwoGammaCandidate ,momentumVectorTwoGammaCandidate.Pt());
- fHistograms->FillHistogram("ESD_TruePi0_InvMass",massTwoGammaCandidate);
+ if(isRealPi0 || isRealEta){
+ fHistograms->FillHistogram("ESD_TruePi0_InvMass_0909",massTwoGammaCandidate);
+ fHistograms->FillHistogram("ESD_TruePi0_OpeningAngle_0909",openingAngleTwoGammaCandidate);
+ fHistograms->FillHistogram("ESD_TruePi0_InvMass_vs_Pt0909",massTwoGammaCandidate,momentumVectorTwoGammaCandidate.Pt());
+ fHistograms->FillHistogram("ESD_TruePi0_InvMass_vs_Pt",massTwoGammaCandidate ,momentumVectorTwoGammaCandidate.Pt());
+ fHistograms->FillHistogram("ESD_TruePi0_InvMass",massTwoGammaCandidate);
+ fHistograms->FillHistogram("ESD_TruePi0_InvMass_vs_Pt_alpha",massTwoGammaCandidate ,momentumVectorTwoGammaCandidate.Pt());
+ if(gamma1MotherLabel > fV0Reader->GetMCStack()->GetNprimary()){
+ fHistograms->FillHistogram("ESD_TruePi0Sec_InvMass_vs_Pt",massTwoGammaCandidate,momentumVectorTwoGammaCandidate.Pt());
+ }
+ }
+ if(!isRealPi0 && !isRealEta){
+ if(gamma1MotherLabel>-1 && gamma2MotherLabel>-1){
+ fHistograms->FillHistogram("ESD_TrueBckGG_InvMass_vs_Pt",massTwoGammaCandidate,momentumVectorTwoGammaCandidate.Pt());
+ }else{
+ fHistograms->FillHistogram("ESD_TrueBckCont_InvMass_vs_Pt",massTwoGammaCandidate,momentumVectorTwoGammaCandidate.Pt());
+ }
+ if(gamma1MotherLabel==-111 || gamma2MotherLabel==-111 || gamma1MotherLabel==-221 || gamma2MotherLabel==-221 ){
+ fHistograms->FillHistogram("ESD_TruePi0DalitzCont_InvMass_vs_Pt",massTwoGammaCandidate,momentumVectorTwoGammaCandidate.Pt());
+ }
+ }
}
}
}
}
}
- if ( TMath::Abs(twoGammaDecayCandidateDaughter0->GetEta())<0.9 && TMath::Abs(twoGammaDecayCandidateDaughter1->GetEta())<0.9 ){
- fHistograms->FillHistogram("ESD_Mother_InvMass_vs_Pt_Fiducial",massTwoGammaCandidate ,momentumVectorTwoGammaCandidate.Pt());
- fHistograms->FillHistogram("ESD_Mother_InvMass_Fiducial",massTwoGammaCandidate);
- }
+ if(alfa>fV0Reader->GetAlphaMinCutMeson() && alfa<fV0Reader->GetAlphaCutMeson()){
+ if ( TMath::Abs(twoGammaDecayCandidateDaughter0->GetEta())<0.9 && TMath::Abs(twoGammaDecayCandidateDaughter1->GetEta())<0.9 ){
+ fHistograms->FillHistogram("ESD_Mother_InvMass_vs_Pt_Fiducial",massTwoGammaCandidate ,momentumVectorTwoGammaCandidate.Pt());
+ fHistograms->FillHistogram("ESD_Mother_InvMass_Fiducial",massTwoGammaCandidate);
+ }
+
+ if(TMath::Abs(twoGammaDecayCandidateDaughter0->GetEta())>0.9 && TMath::Abs(twoGammaDecayCandidateDaughter1->GetEta())>0.9){
+ fHistograms->FillHistogram("ESD_Mother_InvMass_1212",massTwoGammaCandidate);
+ fHistograms->FillHistogram("ESD_Mother_InvMass_vs_Pt1212",massTwoGammaCandidate,momentumVectorTwoGammaCandidate.Pt());
+ }
+ else if(TMath::Abs(twoGammaDecayCandidateDaughter0->GetEta())>0.9 || TMath::Abs(twoGammaDecayCandidateDaughter1->GetEta())>0.9){
+ fHistograms->FillHistogram("ESD_Mother_InvMass_0912",massTwoGammaCandidate);
+ fHistograms->FillHistogram("ESD_Mother_InvMass_vs_Pt0912",massTwoGammaCandidate,momentumVectorTwoGammaCandidate.Pt());
+ }
+ else{
+ fHistograms->FillHistogram("ESD_Mother_InvMass_0909",massTwoGammaCandidate);
+ fHistograms->FillHistogram("ESD_Mother_InvMass_vs_Pt0909",massTwoGammaCandidate,momentumVectorTwoGammaCandidate.Pt());
+ }
- if(TMath::Abs(twoGammaDecayCandidateDaughter0->GetEta())>0.9 && TMath::Abs(twoGammaDecayCandidateDaughter1->GetEta())>0.9){
- fHistograms->FillHistogram("ESD_Mother_InvMass_1212",massTwoGammaCandidate);
- fHistograms->FillHistogram("ESD_Mother_InvMass_vs_Pt1212",massTwoGammaCandidate,momentumVectorTwoGammaCandidate.Pt());
- }
- else if(TMath::Abs(twoGammaDecayCandidateDaughter0->GetEta())>0.9 || TMath::Abs(twoGammaDecayCandidateDaughter1->GetEta())>0.9){
- fHistograms->FillHistogram("ESD_Mother_InvMass_0912",massTwoGammaCandidate);
- fHistograms->FillHistogram("ESD_Mother_InvMass_vs_Pt0912",massTwoGammaCandidate,momentumVectorTwoGammaCandidate.Pt());
- }
- else{
- fHistograms->FillHistogram("ESD_Mother_InvMass_0909",massTwoGammaCandidate);
- fHistograms->FillHistogram("ESD_Mother_InvMass_vs_Pt0909",massTwoGammaCandidate,momentumVectorTwoGammaCandidate.Pt());
+ Double_t lowMassPi0=0.1;
+ Double_t highMassPi0=0.15;
+ if ( ( massTwoGammaCandidate > lowMassPi0) && (massTwoGammaCandidate < highMassPi0) ){
+ new((*fKFReconstructedPi0sTClone)[fKFReconstructedPi0sTClone->GetEntriesFast()]) AliKFParticle(*twoGammaCandidate);
+ fGammav1.push_back(firstGammaIndex);
+ fGammav2.push_back(secondGammaIndex);
+ if( fKFCreateAOD ) {
+ AddPionToAOD(twoGammaCandidate, massTwoGammaCandidate, firstGammaIndex, secondGammaIndex);
+ }
+ }
}
- Double_t lowMassPi0=0.1;
- Double_t highMassPi0=0.15;
- if (massTwoGammaCandidate > lowMassPi0 && massTwoGammaCandidate < highMassPi0 ){
- new((*fKFReconstructedPi0sTClone)[fKFReconstructedPi0sTClone->GetEntriesFast()]) AliKFParticle(*twoGammaCandidate);
- fGammav1.push_back(firstGammaIndex);
- fGammav2.push_back(secondGammaIndex);
- }
}
- }
- delete twoGammaCandidate;
+ delete twoGammaCandidate;
}
}
}
-void AliAnalysisTaskGammaConversion::ProcessConvPHOSGammasForNeutralMesonAnalysis(){
+void AliAnalysisTaskGammaConversion::AddPionToAOD(AliKFParticle * pionkf, Double_t mass, Int_t daughter1, Int_t daughter2) {
+ //See header file for documentation
+ if(fOutputAODClassName.Contains("AODObject")) {
+ AliGammaConversionAODObject pion;
+ pion.SetPx(pionkf->GetPx());
+ pion.SetPy(pionkf->GetPy());
+ pion.SetPz(pionkf->GetPz());
+ pion.SetChi2(pionkf->GetChi2());
+ pion.SetE(pionkf->GetE());
+ pion.SetIMass(mass);
+ pion.SetLabel1(daughter1);
+ pion.SetLabel2(daughter2);
+ AddToAODBranch(fAODPi0, pion);
+ } else {
+ TLorentzVector momentum(pionkf->Px(),pionkf->Py(),pionkf->Pz(), pionkf->E());
+ AliAODConversionParticle pion = AliAODConversionParticle(momentum);
+ pion.SetTrackLabels( daughter1, daughter2 );
+ pion.SetChi2(pionkf->GetChi2());
+ AddToAODBranch(fAODPi0, pion);
+
+ }
+}
+
+
/*
+ void AliAnalysisTaskGammaConversion::ProcessConvPHOSGammasForNeutralMesonAnalysis(){
+
// see header file for documentation
// Analyse Pi0 with one photon from Phos and 1 photon from conversions
for (Int_t i=0; i<fV0Reader->GetESDEvent()->GetNumberOfCaloClusters(); i++) {
- clu = fV0Reader->GetESDEvent()->GetCaloCluster(i);
- if ( !clu->IsPHOS() || clu->E()<0.1 ) continue;
- clu ->GetMomentum(pPHOS ,vtx);
- for(Int_t firstGammaIndex=0;firstGammaIndex<fKFReconstructedGammasTClone->GetEntriesFast();firstGammaIndex++){
- AliKFParticle * twoGammaDecayCandidateDaughter0 = (AliKFParticle *)fKFReconstructedGammasTClone->At(firstGammaIndex);
- gammaGammaConv.SetXYZM(twoGammaDecayCandidateDaughter0->Px(),twoGammaDecayCandidateDaughter0->Py(),twoGammaDecayCandidateDaughter0->Pz(),0.);
- gammaPHOS.SetXYZM(pPHOS.Px(),pPHOS.Py(),pPHOS.Pz(),0.);
- pi0GammaConvPHOS=gammaGammaConv+gammaPHOS;
- fHistograms->FillHistogram("ESD_Mother_InvMass_GammaConvPHOS",pi0GammaConvPHOS.M());
- fHistograms->FillHistogram("ESD_Mother_InvMass_vs_Pt_GammaConvPHOS",pi0GammaConvPHOS.M(),pi0GammaConvPHOS.Pt());
-
- TVector3 v3D0(twoGammaDecayCandidateDaughter0->Px(),twoGammaDecayCandidateDaughter0->Py(),twoGammaDecayCandidateDaughter0->Pz());
- TVector3 v3D1(gammaPHOS.Px(),gammaPHOS.Py(),gammaPHOS.Pz());
- Double_t opanConvPHOS= v3D0.Angle(v3D1);
- if ( opanConvPHOS < 0.35){
- fHistograms->FillHistogram("ESD_Mother_InvMass_GammaConvPHOS_OpanLow",pi0GammaConvPHOS.M());
- }else{
- fHistograms->FillHistogram("ESD_Mother_InvMass_GammaConvPHOS_OpanHigh",pi0GammaConvPHOS.M());
- }
+ clu = fV0Reader->GetESDEvent()->GetCaloCluster(i);
+ if ( !clu->IsPHOS() || clu->E()<0.1 ) continue;
+ clu ->GetMomentum(pPHOS ,vtx);
+ for(Int_t firstGammaIndex=0;firstGammaIndex<fKFReconstructedGammasTClone->GetEntriesFast();firstGammaIndex++){
+ AliKFParticle * twoGammaDecayCandidateDaughter0 = (AliKFParticle *)fKFReconstructedGammasTClone->At(firstGammaIndex);
+ gammaGammaConv.SetXYZM(twoGammaDecayCandidateDaughter0->Px(),twoGammaDecayCandidateDaughter0->Py(),twoGammaDecayCandidateDaughter0->Pz(),0.);
+ gammaPHOS.SetXYZM(pPHOS.Px(),pPHOS.Py(),pPHOS.Pz(),0.);
+ pi0GammaConvPHOS=gammaGammaConv+gammaPHOS;
+ fHistograms->FillHistogram("ESD_Mother_InvMass_GammaConvPHOS",pi0GammaConvPHOS.M());
+ fHistograms->FillHistogram("ESD_Mother_InvMass_vs_Pt_GammaConvPHOS",pi0GammaConvPHOS.M(),pi0GammaConvPHOS.Pt());
+
+ TVector3 v3D0(twoGammaDecayCandidateDaughter0->Px(),twoGammaDecayCandidateDaughter0->Py(),twoGammaDecayCandidateDaughter0->Pz());
+ TVector3 v3D1(gammaPHOS.Px(),gammaPHOS.Py(),gammaPHOS.Pz());
+ Double_t opanConvPHOS= v3D0.Angle(v3D1);
+ if ( opanConvPHOS < 0.35){
+ fHistograms->FillHistogram("ESD_Mother_InvMass_GammaConvPHOS_OpanLow",pi0GammaConvPHOS.M());
+ }else{
+ fHistograms->FillHistogram("ESD_Mother_InvMass_GammaConvPHOS_OpanHigh",pi0GammaConvPHOS.M());
+ }
- }
+ }
- // Now the LorentVector pPHOS is obtained and can be paired with the converted proton
+ // Now the LorentVector pPHOS is obtained and can be paired with the converted proton
}
//==== End of the PHOS cluster selection ============
TLorentzVector pEMCAL;
TLorentzVector pi0GammaConvEMCAL;
TLorentzVector pi0GammaConvEMCALBck;
- for (Int_t i=0; i<fV0Reader->GetESDEvent()->GetNumberOfCaloClusters(); i++) {
- clu = fV0Reader->GetESDEvent()->GetCaloCluster(i);
- if ( !clu->IsEMCAL() || clu->E()<0.1 ) continue;
- if (clu->GetNCells() <= 1) continue;
- if ( clu->GetTOF()*1e9 < 550 || clu->GetTOF()*1e9 > 750) continue;
+ for (Int_t i=0; i<fV0Reader->GetESDEvent()->GetNumberOfCaloClusters(); i++) {
+ clu = fV0Reader->GetESDEvent()->GetCaloCluster(i);
+ if ( !clu->IsEMCAL() || clu->E()<0.1 ) continue;
+ if (clu->GetNCells() <= 1) continue;
+ if ( clu->GetTOF()*1e9 < 550 || clu->GetTOF()*1e9 > 750) continue;
- clu ->GetMomentum(pEMCAL ,vtx);
- for(Int_t firstGammaIndex=0;firstGammaIndex<fKFReconstructedGammasTClone->GetEntriesFast();firstGammaIndex++){
- AliKFParticle * twoGammaDecayCandidateDaughter0 = (AliKFParticle *)fKFReconstructedGammasTClone->At(firstGammaIndex);
- gammaGammaConv.SetXYZM(twoGammaDecayCandidateDaughter0->Px(),
- twoGammaDecayCandidateDaughter0->Py(),
- twoGammaDecayCandidateDaughter0->Pz(),0.);
- gammaEMCAL.SetXYZM(pEMCAL.Px(),pEMCAL.Py(),pEMCAL.Pz(),0.);
- pi0GammaConvEMCAL=gammaGammaConv+gammaEMCAL;
- fHistograms->FillHistogram("ESD_Mother_InvMass_GammaConvEMCAL",pi0GammaConvEMCAL.M());
- fHistograms->FillHistogram("ESD_Mother_InvMass_vs_Pt_GammaConvEMCAL",pi0GammaConvEMCAL.M(),pi0GammaConvEMCAL.Pt());
- TVector3 v3D0(twoGammaDecayCandidateDaughter0->Px(),
- twoGammaDecayCandidateDaughter0->Py(),
- twoGammaDecayCandidateDaughter0->Pz());
- TVector3 v3D1(gammaEMCAL.Px(),gammaEMCAL.Py(),gammaEMCAL.Pz());
+ clu ->GetMomentum(pEMCAL ,vtx);
+ for(Int_t firstGammaIndex=0;firstGammaIndex<fKFReconstructedGammasTClone->GetEntriesFast();firstGammaIndex++){
+ AliKFParticle * twoGammaDecayCandidateDaughter0 = (AliKFParticle *)fKFReconstructedGammasTClone->At(firstGammaIndex);
+ gammaGammaConv.SetXYZM(twoGammaDecayCandidateDaughter0->Px(),
+ twoGammaDecayCandidateDaughter0->Py(),
+ twoGammaDecayCandidateDaughter0->Pz(),0.);
+ gammaEMCAL.SetXYZM(pEMCAL.Px(),pEMCAL.Py(),pEMCAL.Pz(),0.);
+ pi0GammaConvEMCAL=gammaGammaConv+gammaEMCAL;
+ fHistograms->FillHistogram("ESD_Mother_InvMass_GammaConvEMCAL",pi0GammaConvEMCAL.M());
+ fHistograms->FillHistogram("ESD_Mother_InvMass_vs_Pt_GammaConvEMCAL",pi0GammaConvEMCAL.M(),pi0GammaConvEMCAL.Pt());
+ TVector3 v3D0(twoGammaDecayCandidateDaughter0->Px(),
+ twoGammaDecayCandidateDaughter0->Py(),
+ twoGammaDecayCandidateDaughter0->Pz());
+ TVector3 v3D1(gammaEMCAL.Px(),gammaEMCAL.Py(),gammaEMCAL.Pz());
+
+
+ Double_t opanConvEMCAL= v3D0.Angle(v3D1);
+ if ( opanConvEMCAL < 0.35){
+ fHistograms->FillHistogram("ESD_Mother_InvMass_GammaConvEMCAL_OpanLow",pi0GammaConvEMCAL.M());
+ }else{
+ fHistograms->FillHistogram("ESD_Mother_InvMass_GammaConvEMCAL_OpanHigh",pi0GammaConvEMCAL.M());
+ }
+ }
+ if(fCalculateBackground){
+ for(Int_t nEventsInBG=0;nEventsInBG <fV0Reader->GetNBGEvents();nEventsInBG++){
+ AliGammaConversionKFVector * previousEventV0s = fV0Reader->GetBGGoodV0s(nEventsInBG);
+ for(UInt_t iPrevious=0;iPrevious<previousEventV0s->size();iPrevious++){
+ AliKFParticle previousGoodV0 = (AliKFParticle)(*(previousEventV0s->at(iPrevious)));
+ gammaGammaConvBck.SetXYZM(previousGoodV0.Px(),
+ previousGoodV0.Py(),
+ previousGoodV0.Pz(),0.);
+ pi0GammaConvEMCALBck=gammaGammaConvBck+gammaEMCAL;
+ fHistograms->FillHistogram("ESD_Mother_InvMass_GammaConvEMCAL_Bck",pi0GammaConvEMCALBck.M());
+ fHistograms->FillHistogram("ESD_Mother_InvMass_vs_Pt_GammaConvEMCAL_Bck",pi0GammaConvEMCALBck.M(),
+ pi0GammaConvEMCALBck.Pt());
+ }
+ }
+
+ // Now the LorentVector pEMCAL is obtained and can be paired with the converted proton
+ } // end of checking if background photons are available
+ }
+ //==== End of the PHOS cluster selection ============
- Double_t opanConvEMCAL= v3D0.Angle(v3D1);
- if ( opanConvEMCAL < 0.35){
- fHistograms->FillHistogram("ESD_Mother_InvMass_GammaConvEMCAL_OpanLow",pi0GammaConvEMCAL.M());
- }else{
- fHistograms->FillHistogram("ESD_Mother_InvMass_GammaConvEMCAL_OpanHigh",pi0GammaConvEMCAL.M());
- }
+ }
+*/
+
+void AliAnalysisTaskGammaConversion::MoveParticleAccordingToVertex(AliKFParticle * particle,const AliGammaConversionBGHandler::GammaConversionVertex *vertex){
+ //see header file for documentation
+
+ Double_t dx = vertex->fX - fESDEvent->GetPrimaryVertex()->GetX();
+ Double_t dy = vertex->fY - fESDEvent->GetPrimaryVertex()->GetY();
+ Double_t dz = vertex->fZ - fESDEvent->GetPrimaryVertex()->GetZ();
+
+ // cout<<"dx, dy, dz: ["<<dx<<","<<dy<<","<<dz<<"]"<<endl;
+ particle->X() = particle->GetX() - dx;
+ particle->Y() = particle->GetY() - dy;
+ particle->Z() = particle->GetZ() - dz;
+}
+
+void AliAnalysisTaskGammaConversion::RotateKFParticle(AliKFParticle * kfParticle,Double_t angle){
+ // Before rotate needs to be moved to position 0,0,0, ; move back after rotation
+ Double_t dx = fESDEvent->GetPrimaryVertex()->GetX()-0.;
+ Double_t dy = fESDEvent->GetPrimaryVertex()->GetY()-0.;
+ Double_t dz = fESDEvent->GetPrimaryVertex()->GetZ()-0.;
+
+ kfParticle->X() = kfParticle->GetX() - dx;
+ kfParticle->Y() = kfParticle->GetY() - dy;
+ kfParticle->Z() = kfParticle->GetZ() - dz;
+
+ // Rotate the kf particle
+ Double_t c = cos(angle);
+ Double_t s = sin(angle);
+
+ Double_t mA[8][ 8];
+ for( Int_t i=0; i<8; i++ ){
+ for( Int_t j=0; j<8; j++){
+ mA[i][j] = 0;
}
- if(fCalculateBackground){
- for(Int_t nEventsInBG=0;nEventsInBG <fV0Reader->GetNBGEvents();nEventsInBG++){
- AliGammaConversionKFVector * previousEventV0s = fV0Reader->GetBGGoodV0s(nEventsInBG);
- for(UInt_t iPrevious=0;iPrevious<previousEventV0s->size();iPrevious++){
- AliKFParticle previousGoodV0 = (AliKFParticle)(*(previousEventV0s->at(iPrevious)));
- gammaGammaConvBck.SetXYZM(previousGoodV0.Px(),
- previousGoodV0.Py(),
- previousGoodV0.Pz(),0.);
- pi0GammaConvEMCALBck=gammaGammaConvBck+gammaEMCAL;
- fHistograms->FillHistogram("ESD_Mother_InvMass_GammaConvEMCAL_Bck",pi0GammaConvEMCALBck.M());
- fHistograms->FillHistogram("ESD_Mother_InvMass_vs_Pt_GammaConvEMCAL_Bck",pi0GammaConvEMCALBck.M(),
- pi0GammaConvEMCALBck.Pt());
- }
+ }
+ for( int i=0; i<8; i++ ){
+ mA[i][i] = 1;
+ }
+ mA[0][0] = c; mA[0][1] = s;
+ mA[1][0] = -s; mA[1][1] = c;
+ mA[3][3] = c; mA[3][4] = s;
+ mA[4][3] = -s; mA[4][4] = c;
+
+ Double_t mAC[8][8];
+ Double_t mAp[8];
+
+ for( Int_t i=0; i<8; i++ ){
+ mAp[i] = 0;
+ for( Int_t k=0; k<8; k++){
+ mAp[i]+=mA[i][k] * kfParticle->GetParameter(k);
+ }
+ }
+
+ for( Int_t i=0; i<8; i++){
+ kfParticle->Parameter(i) = mAp[i];
+ }
+
+ for( Int_t i=0; i<8; i++ ){
+ for( Int_t j=0; j<8; j++ ){
+ mAC[i][j] = 0;
+ for( Int_t k=0; k<8; k++ ){
+ mAC[i][j]+= mA[i][k] * kfParticle->GetCovariance(k,j);
}
-
- // Now the LorentVector pEMCAL is obtained and can be paired with the converted proton
- } // end of checking if background photons are available
- }
- //==== End of the PHOS cluster selection ============
-*/
+ }
+ }
+
+ for( Int_t i=0; i<8; i++ ){
+ for( Int_t j=0; j<=i; j++ ){
+ Double_t xx = 0;
+ for( Int_t k=0; k<8; k++){
+ xx+= mAC[i][k]*mA[j][k];
+ }
+ kfParticle->Covariance(i,j) = xx;
+ }
+ }
+
+ Double_t dx1 = 0.-fESDEvent->GetPrimaryVertex()->GetX();
+ Double_t dy1 = 0.-fESDEvent->GetPrimaryVertex()->GetY();
+ Double_t dz1 = 0.-fESDEvent->GetPrimaryVertex()->GetZ();
+
+ kfParticle->X() = kfParticle->GetX() - dx1;
+ kfParticle->Y() = kfParticle->GetY() - dy1;
+ kfParticle->Z() = kfParticle->GetZ() - dz1;
+
}
+
void AliAnalysisTaskGammaConversion::CalculateBackground(){
// see header file for documentation
TClonesArray * currentEventV0s = fV0Reader->GetCurrentEventGoodV0s();
- for(Int_t nEventsInBG=0;nEventsInBG <fV0Reader->GetNBGEvents();nEventsInBG++){
- AliGammaConversionKFVector * previousEventV0s = fV0Reader->GetBGGoodV0s(nEventsInBG);
+ AliGammaConversionBGHandler * bgHandler = fV0Reader->GetBGHandler();
+
+ Int_t zbin= bgHandler->GetZBinIndex(fV0Reader->GetVertexZ());
+ Int_t mbin = 0;
+ if(fUseTrackMultiplicityForBG == kTRUE){
+ mbin = bgHandler->GetMultiplicityBinIndex(fV0Reader->CountESDTracks());
+ }
+ else{
+ mbin = bgHandler->GetMultiplicityBinIndex(fV0Reader->GetNGoodV0s());
+ }
+
+ if(fDoRotation == kTRUE){
+ TRandom3 *random = new TRandom3(0);
+
for(Int_t iCurrent=0;iCurrent<currentEventV0s->GetEntriesFast();iCurrent++){
AliKFParticle currentEventGoodV0 = *(AliKFParticle *)(currentEventV0s->At(iCurrent));
- for(UInt_t iPrevious=0;iPrevious<previousEventV0s->size();iPrevious++){
- AliKFParticle previousGoodV0 = (AliKFParticle)(*(previousEventV0s->at(iPrevious)));
-
- AliKFParticle *backgroundCandidate = new AliKFParticle(currentEventGoodV0,previousGoodV0);
+ for(Int_t iCurrent2=iCurrent+1;iCurrent2<currentEventV0s->GetEntriesFast();iCurrent2++){
+ for(Int_t nRandom=0;nRandom<fNRandomEventsForBG;nRandom++){
+
+ AliKFParticle currentEventGoodV02 = *(AliKFParticle *)(currentEventV0s->At(iCurrent2));
+
+ if(fCheckBGProbability == kTRUE){
+ Double_t massBGprob =0.;
+ Double_t widthBGprob = 0.;
+ AliKFParticle *backgroundCandidateProb = new AliKFParticle(currentEventGoodV0,currentEventGoodV02);
+ backgroundCandidateProb->GetMass(massBGprob,widthBGprob);
+ if(massBGprob>0.1 && massBGprob<0.14){
+ if(random->Rndm()>bgHandler->GetBGProb(zbin,mbin)){
+ delete backgroundCandidateProb;
+ continue;
+ }
+ }
+ delete backgroundCandidateProb;
+ }
- Double_t massBG =0.;
- Double_t widthBG = 0.;
- Double_t chi2BG =10000.;
- backgroundCandidate->GetMass(massBG,widthBG);
- if(backgroundCandidate->GetNDF()>0){
- chi2BG = backgroundCandidate->GetChi2()/backgroundCandidate->GetNDF();
- if(chi2BG>0 && chi2BG<fV0Reader->GetChi2CutMeson()){
-
+ Double_t nRadiansPM = fNDegreesPMBackground*TMath::Pi()/180;
+
+ Double_t rotationValue = random->Rndm()*2*nRadiansPM + TMath::Pi()-nRadiansPM;
+
+ RotateKFParticle(¤tEventGoodV02,rotationValue);
+
+ AliKFParticle *backgroundCandidate = new AliKFParticle(currentEventGoodV0,currentEventGoodV02);
+
+ Double_t massBG =0.;
+ Double_t widthBG = 0.;
+ Double_t chi2BG =10000.;
+ backgroundCandidate->GetMass(massBG,widthBG);
+ // if(backgroundCandidate->GetNDF()>0){
+ chi2BG = backgroundCandidate->GetChi2();
+ if((chi2BG>0 && chi2BG<fV0Reader->GetChi2CutMeson()) || fApplyChi2Cut == kFALSE){
+
TVector3 momentumVectorbackgroundCandidate(backgroundCandidate->GetPx(),backgroundCandidate->GetPy(),backgroundCandidate->GetPz());
TVector3 spaceVectorbackgroundCandidate(backgroundCandidate->GetX(),backgroundCandidate->GetY(),backgroundCandidate->GetZ());
-
- Double_t openingAngleBG = currentEventGoodV0.GetAngle(previousGoodV0);
-
+
+ Double_t openingAngleBG = currentEventGoodV0.GetAngle(currentEventGoodV02);
+
Double_t rapidity;
if(backgroundCandidate->GetE() - backgroundCandidate->GetPz() == 0 || backgroundCandidate->GetE() + backgroundCandidate->GetPz() == 0) rapidity=0;
else rapidity = 0.5*(TMath::Log((backgroundCandidate->GetE() +backgroundCandidate->GetPz()) / (backgroundCandidate->GetE()-backgroundCandidate->GetPz())));
+
+ if(TMath::Abs(rapidity) > fV0Reader->GetRapidityMesonCut() ){
+ delete backgroundCandidate;
+ continue; // rapidity cut
+ }
-
+
Double_t alfa=0.0;
- if( (currentEventGoodV0.GetE()+previousGoodV0.GetE()) != 0){
- alfa=TMath::Abs((currentEventGoodV0.GetE()-previousGoodV0.GetE())
- /(currentEventGoodV0.GetE()+previousGoodV0.GetE()));
+ if( (currentEventGoodV0.GetE()+currentEventGoodV02.GetE()) != 0){
+ alfa=TMath::Abs((currentEventGoodV0.GetE()-currentEventGoodV02.GetE())
+ /(currentEventGoodV0.GetE()+currentEventGoodV02.GetE()));
}
-
-
+
+
if(openingAngleBG < fMinOpeningAngleGhostCut ){
delete backgroundCandidate;
continue; // minimum opening angle to avoid using ghosttracks
}
-
+
// original
- fHistograms->FillHistogram("ESD_Background_GammaDaughter_OpeningAngle", openingAngleBG);
- fHistograms->FillHistogram("ESD_Background_Energy", backgroundCandidate->GetE());
- fHistograms->FillHistogram("ESD_Background_Pt", momentumVectorbackgroundCandidate.Pt());
- fHistograms->FillHistogram("ESD_Background_Eta", momentumVectorbackgroundCandidate.Eta());
- fHistograms->FillHistogram("ESD_Background_Rapidity", rapidity);
- fHistograms->FillHistogram("ESD_Background_Phi", spaceVectorbackgroundCandidate.Phi());
- fHistograms->FillHistogram("ESD_Background_Mass", massBG);
- fHistograms->FillHistogram("ESD_Background_R", spaceVectorbackgroundCandidate.Pt()); // Pt in Space == R!!!!
- fHistograms->FillHistogram("ESD_Background_ZR", backgroundCandidate->GetZ(), spaceVectorbackgroundCandidate.Pt());
- fHistograms->FillHistogram("ESD_Background_XY", backgroundCandidate->GetX(), backgroundCandidate->GetY());
- fHistograms->FillHistogram("ESD_Background_InvMass_vs_Pt",massBG,momentumVectorbackgroundCandidate.Pt());
- fHistograms->FillHistogram("ESD_Background_InvMass",massBG);
-
- if(alfa<fV0Reader->GetAlphaCutMeson()){
+ if(alfa>fV0Reader->GetAlphaMinCutMeson() && alfa<fV0Reader->GetAlphaCutMeson()){
+ fHistograms->FillHistogram("ESD_Background_GammaDaughter_OpeningAngle", openingAngleBG);
+ fHistograms->FillHistogram("ESD_Background_Energy", backgroundCandidate->GetE());
+ fHistograms->FillHistogram("ESD_Background_Pt", momentumVectorbackgroundCandidate.Pt());
+ fHistograms->FillHistogram("ESD_Background_Eta", momentumVectorbackgroundCandidate.Eta());
+ fHistograms->FillHistogram("ESD_Background_Rapidity", rapidity);
+ fHistograms->FillHistogram("ESD_Background_Phi", spaceVectorbackgroundCandidate.Phi());
+ fHistograms->FillHistogram("ESD_Background_Mass", massBG);
+ fHistograms->FillHistogram("ESD_Background_R", spaceVectorbackgroundCandidate.Pt()); // Pt in Space == R!!!!
+ fHistograms->FillHistogram("ESD_Background_ZR", backgroundCandidate->GetZ(), spaceVectorbackgroundCandidate.Pt());
+ fHistograms->FillHistogram("ESD_Background_XY", backgroundCandidate->GetX(), backgroundCandidate->GetY());
+ fHistograms->FillHistogram("ESD_Background_InvMass_vs_Pt",massBG,momentumVectorbackgroundCandidate.Pt());
+ fHistograms->FillHistogram("ESD_Background_InvMass",massBG);
fHistograms->FillHistogram("ESD_Background_InvMass_vs_Pt_alpha",massBG,momentumVectorbackgroundCandidate.Pt());
+
+ if(massBG>0.1 && massBG<0.15){
+ fHistograms->FillHistogram("ESD_Background_alfa_Pi0", alfa);
+ }
+ if(massBG>0.5 && massBG<0.57){
+ fHistograms->FillHistogram("ESD_Background_alfa_Eta", alfa);
+ }
+
+ if ( TMath::Abs(currentEventGoodV0.GetEta())<0.9 && TMath::Abs(currentEventGoodV02.GetEta())<0.9 ){
+ fHistograms->FillHistogram("ESD_Background_InvMass_vs_Pt_Fiducial",massBG,momentumVectorbackgroundCandidate.Pt());
+ fHistograms->FillHistogram("ESD_Background_InvMass_Fiducial",massBG);
+ }
+
+ fHistograms->FillHistogram(Form("%d%dESD_Background_GammaDaughter_OpeningAngle",zbin,mbin), openingAngleBG);
+ fHistograms->FillHistogram(Form("%d%dESD_Background_Energy",zbin,mbin), backgroundCandidate->GetE());
+ fHistograms->FillHistogram(Form("%d%dESD_Background_Pt",zbin,mbin), momentumVectorbackgroundCandidate.Pt());
+ fHistograms->FillHistogram(Form("%d%dESD_Background_Eta",zbin,mbin), momentumVectorbackgroundCandidate.Eta());
+ fHistograms->FillHistogram(Form("%d%dESD_Background_Rapidity",zbin,mbin), rapidity);
+ fHistograms->FillHistogram(Form("%d%dESD_Background_Phi",zbin,mbin), spaceVectorbackgroundCandidate.Phi());
+ fHistograms->FillHistogram(Form("%d%dESD_Background_Mass",zbin,mbin), massBG);
+ fHistograms->FillHistogram(Form("%d%dESD_Background_R",zbin,mbin), spaceVectorbackgroundCandidate.Pt()); // Pt in Space == R!!!!
+ fHistograms->FillHistogram(Form("%d%dESD_Background_ZR",zbin,mbin), backgroundCandidate->GetZ(), spaceVectorbackgroundCandidate.Pt());
+ fHistograms->FillHistogram(Form("%d%dESD_Background_XY",zbin,mbin), backgroundCandidate->GetX(), backgroundCandidate->GetY());
+ fHistograms->FillHistogram(Form("%d%dESD_Background_InvMass_vs_Pt",zbin,mbin),massBG,momentumVectorbackgroundCandidate.Pt());
+ fHistograms->FillHistogram(Form("%d%dESD_Background_InvMass",zbin,mbin),massBG);
+
+ if ( TMath::Abs(currentEventGoodV0.GetEta())<0.9 && TMath::Abs(currentEventGoodV02.GetEta())<0.9 ){
+ fHistograms->FillHistogram(Form("%d%dESD_Background_InvMass_vs_Pt_Fiducial",zbin,mbin),massBG,momentumVectorbackgroundCandidate.Pt());
+ fHistograms->FillHistogram(Form("%d%dESD_Background_InvMass_Fiducial",zbin,mbin),massBG);
+ }
}
- if ( TMath::Abs(currentEventGoodV0.GetEta())<0.9 && TMath::Abs(previousGoodV0.GetEta())<0.9 ){
- fHistograms->FillHistogram("ESD_Background_InvMass_vs_Pt_Fiducial",massBG,momentumVectorbackgroundCandidate.Pt());
- fHistograms->FillHistogram("ESD_Background_InvMass_Fiducial",massBG);
+ if(alfa<0.1){
+ fHistograms->FillHistogram("ESD_Background_InvMass_vs_E_alpha",massBG ,backgroundCandidate->GetE());
}
+
+ }
+ //}
+ delete backgroundCandidate;
+ }
+ }
+ }
+ delete random;
+ }
+ else{ // means no rotation
+ AliGammaConversionBGHandler::GammaConversionVertex *bgEventVertex = NULL;
-
- // test
- AliGammaConversionBGHandler * bgHandler = fV0Reader->GetBGHandler();
+ if(fUseTrackMultiplicityForBG){
+ // cout<<"Using charged track multiplicity for background calculation"<<endl;
+ for(Int_t nEventsInBG=0;nEventsInBG <fV0Reader->GetNBGEvents();nEventsInBG++){
- Int_t zbin= bgHandler->GetZBinIndex(fV0Reader->GetVertexZ());
- Int_t mbin= bgHandler->GetMultiplicityBinIndex(fV0Reader->CountESDTracks());
+ AliGammaConversionKFVector * previousEventV0s = bgHandler->GetBGGoodV0s(zbin,mbin,nEventsInBG);//fV0Reader->GetBGGoodV0s(nEventsInBG);
+
+ if(fMoveParticleAccordingToVertex == kTRUE){
+ bgEventVertex = bgHandler->GetBGEventVertex(zbin,mbin,nEventsInBG);
+ }
+
+ for(Int_t iCurrent=0;iCurrent<currentEventV0s->GetEntriesFast();iCurrent++){
+ AliKFParticle currentEventGoodV0 = *(AliKFParticle *)(currentEventV0s->At(iCurrent));
+ for(UInt_t iPrevious=0;iPrevious<previousEventV0s->size();iPrevious++){
+ AliKFParticle previousGoodV0 = (AliKFParticle)(*(previousEventV0s->at(iPrevious)));
+ AliKFParticle previousGoodV0test = (AliKFParticle)(*(previousEventV0s->at(iPrevious)));
+
+ //cout<<"Primary Vertex event: ["<<fESDEvent->GetPrimaryVertex()->GetX()<<","<<fESDEvent->GetPrimaryVertex()->GetY()<<","<<fESDEvent->GetPrimaryVertex()->GetZ()<<"]"<<endl;
+ //cout<<"BG prim Vertex event: ["<<bgEventVertex->fX<<","<<bgEventVertex->fY<<","<<bgEventVertex->fZ<<"]"<<endl;
+
+ //cout<<"XYZ of particle before transport: ["<<previousGoodV0.X()<<","<<previousGoodV0.Y()<<","<<previousGoodV0.Z()<<"]"<<endl;
+ if(fMoveParticleAccordingToVertex == kTRUE){
+ MoveParticleAccordingToVertex(&previousGoodV0,bgEventVertex);
+ }
+ //cout<<"XYZ of particle after transport: ["<<previousGoodV0.X()<<","<<previousGoodV0.Y()<<","<<previousGoodV0.Z()<<"]"<<endl;
+
+ AliKFParticle *backgroundCandidate = new AliKFParticle(currentEventGoodV0,previousGoodV0);
+
+ Double_t massBG =0.;
+ Double_t widthBG = 0.;
+ Double_t chi2BG =10000.;
+ backgroundCandidate->GetMass(massBG,widthBG);
+
+ // if(backgroundCandidate->GetNDF()>0){
+ // chi2BG = backgroundCandidate->GetChi2()/backgroundCandidate->GetNDF();
+ chi2BG = backgroundCandidate->GetChi2();
+ if((chi2BG>0 && chi2BG<fV0Reader->GetChi2CutMeson()) || fApplyChi2Cut == kFALSE){
+
+ TVector3 momentumVectorbackgroundCandidate(backgroundCandidate->GetPx(),backgroundCandidate->GetPy(),backgroundCandidate->GetPz());
+ TVector3 spaceVectorbackgroundCandidate(backgroundCandidate->GetX(),backgroundCandidate->GetY(),backgroundCandidate->GetZ());
+
+ Double_t openingAngleBG = currentEventGoodV0.GetAngle(previousGoodV0);
+
+ Double_t rapidity;
- fHistograms->FillHistogram(Form("%d%dESD_Background_GammaDaughter_OpeningAngle",zbin,mbin), openingAngleBG);
- fHistograms->FillHistogram(Form("%d%dESD_Background_Energy",zbin,mbin), backgroundCandidate->GetE());
- fHistograms->FillHistogram(Form("%d%dESD_Background_Pt",zbin,mbin), momentumVectorbackgroundCandidate.Pt());
- fHistograms->FillHistogram(Form("%d%dESD_Background_Eta",zbin,mbin), momentumVectorbackgroundCandidate.Eta());
- fHistograms->FillHistogram(Form("%d%dESD_Background_Rapidity",zbin,mbin), rapidity);
- fHistograms->FillHistogram(Form("%d%dESD_Background_Phi",zbin,mbin), spaceVectorbackgroundCandidate.Phi());
- fHistograms->FillHistogram(Form("%d%dESD_Background_Mass",zbin,mbin), massBG);
- fHistograms->FillHistogram(Form("%d%dESD_Background_R",zbin,mbin), spaceVectorbackgroundCandidate.Pt()); // Pt in Space == R!!!!
- fHistograms->FillHistogram(Form("%d%dESD_Background_ZR",zbin,mbin), backgroundCandidate->GetZ(), spaceVectorbackgroundCandidate.Pt());
- fHistograms->FillHistogram(Form("%d%dESD_Background_XY",zbin,mbin), backgroundCandidate->GetX(), backgroundCandidate->GetY());
- fHistograms->FillHistogram(Form("%d%dESD_Background_InvMass_vs_Pt",zbin,mbin),massBG,momentumVectorbackgroundCandidate.Pt());
- fHistograms->FillHistogram(Form("%d%dESD_Background_InvMass",zbin,mbin),massBG);
-
- if ( TMath::Abs(currentEventGoodV0.GetEta())<0.9 && TMath::Abs(previousGoodV0.GetEta())<0.9 ){
- fHistograms->FillHistogram(Form("%d%dESD_Background_InvMass_vs_Pt_Fiducial",zbin,mbin),massBG,momentumVectorbackgroundCandidate.Pt());
- fHistograms->FillHistogram(Form("%d%dESD_Background_InvMass_Fiducial",zbin,mbin),massBG);
+ if(backgroundCandidate->GetE() - backgroundCandidate->GetPz() <= 0 || backgroundCandidate->GetE() + backgroundCandidate->GetPz() <= 0){
+ cout << "Error: |Pz| > E !!!! " << endl;
+ rapidity=0;
+ } else {
+ rapidity = 0.5*(TMath::Log((backgroundCandidate->GetE() +backgroundCandidate->GetPz()) / (backgroundCandidate->GetE()-backgroundCandidate->GetPz())));
+ }
+ if(TMath::Abs(rapidity) > fV0Reader->GetRapidityMesonCut() ){
+ delete backgroundCandidate;
+ continue; // rapidity cut
+ }
+
+
+ Double_t alfa=0.0;
+ if( (currentEventGoodV0.GetE()+previousGoodV0.GetE()) != 0){
+ alfa=TMath::Abs((currentEventGoodV0.GetE()-previousGoodV0.GetE())
+ /(currentEventGoodV0.GetE()+previousGoodV0.GetE()));
+ }
+
+
+ if(openingAngleBG < fMinOpeningAngleGhostCut ){
+ delete backgroundCandidate;
+ continue; // minimum opening angle to avoid using ghosttracks
+ }
+
+ // original
+ if(alfa>fV0Reader->GetAlphaMinCutMeson() && alfa<fV0Reader->GetAlphaCutMeson()){
+ fHistograms->FillHistogram("ESD_Background_GammaDaughter_OpeningAngle", openingAngleBG);
+ fHistograms->FillHistogram("ESD_Background_Energy", backgroundCandidate->GetE());
+ fHistograms->FillHistogram("ESD_Background_Pt", momentumVectorbackgroundCandidate.Pt());
+ fHistograms->FillHistogram("ESD_Background_Eta", momentumVectorbackgroundCandidate.Eta());
+ fHistograms->FillHistogram("ESD_Background_Rapidity", rapidity);
+ fHistograms->FillHistogram("ESD_Background_Phi", spaceVectorbackgroundCandidate.Phi());
+ fHistograms->FillHistogram("ESD_Background_Mass", massBG);
+ fHistograms->FillHistogram("ESD_Background_R", spaceVectorbackgroundCandidate.Pt()); // Pt in Space == R!!!!
+ fHistograms->FillHistogram("ESD_Background_ZR", backgroundCandidate->GetZ(), spaceVectorbackgroundCandidate.Pt());
+ fHistograms->FillHistogram("ESD_Background_XY", backgroundCandidate->GetX(), backgroundCandidate->GetY());
+ fHistograms->FillHistogram("ESD_Background_InvMass_vs_Pt",massBG,momentumVectorbackgroundCandidate.Pt());
+ fHistograms->FillHistogram("ESD_Background_InvMass",massBG);
+ fHistograms->FillHistogram("ESD_Background_InvMass_vs_Pt_alpha",massBG,momentumVectorbackgroundCandidate.Pt());
+
+ if(massBG>0.1 && massBG<0.15){
+ fHistograms->FillHistogram("ESD_Background_alfa_Pi0", alfa);
+ }
+ if(massBG>0.5 && massBG<0.57){
+ fHistograms->FillHistogram("ESD_Background_alfa_Eta", alfa);
+ }
+
+ if ( TMath::Abs(currentEventGoodV0.GetEta())<0.9 && TMath::Abs(previousGoodV0.GetEta())<0.9 ){
+ fHistograms->FillHistogram("ESD_Background_InvMass_vs_Pt_Fiducial",massBG,momentumVectorbackgroundCandidate.Pt());
+ fHistograms->FillHistogram("ESD_Background_InvMass_Fiducial",massBG);
+ }
+
+ // test
+ fHistograms->FillHistogram(Form("%d%dESD_Background_GammaDaughter_OpeningAngle",zbin,mbin), openingAngleBG);
+ fHistograms->FillHistogram(Form("%d%dESD_Background_Energy",zbin,mbin), backgroundCandidate->GetE());
+ fHistograms->FillHistogram(Form("%d%dESD_Background_Pt",zbin,mbin), momentumVectorbackgroundCandidate.Pt());
+ fHistograms->FillHistogram(Form("%d%dESD_Background_Eta",zbin,mbin), momentumVectorbackgroundCandidate.Eta());
+ fHistograms->FillHistogram(Form("%d%dESD_Background_Rapidity",zbin,mbin), rapidity);
+ fHistograms->FillHistogram(Form("%d%dESD_Background_Phi",zbin,mbin), spaceVectorbackgroundCandidate.Phi());
+ fHistograms->FillHistogram(Form("%d%dESD_Background_Mass",zbin,mbin), massBG);
+ fHistograms->FillHistogram(Form("%d%dESD_Background_R",zbin,mbin), spaceVectorbackgroundCandidate.Pt()); // Pt in Space == R!!!!
+ fHistograms->FillHistogram(Form("%d%dESD_Background_ZR",zbin,mbin), backgroundCandidate->GetZ(), spaceVectorbackgroundCandidate.Pt());
+ fHistograms->FillHistogram(Form("%d%dESD_Background_XY",zbin,mbin), backgroundCandidate->GetX(), backgroundCandidate->GetY());
+ fHistograms->FillHistogram(Form("%d%dESD_Background_InvMass_vs_Pt",zbin,mbin),massBG,momentumVectorbackgroundCandidate.Pt());
+ fHistograms->FillHistogram(Form("%d%dESD_Background_InvMass",zbin,mbin),massBG);
+
+ if ( TMath::Abs(currentEventGoodV0.GetEta())<0.9 && TMath::Abs(previousGoodV0.GetEta())<0.9 ){
+ fHistograms->FillHistogram(Form("%d%dESD_Background_InvMass_vs_Pt_Fiducial",zbin,mbin),massBG,momentumVectorbackgroundCandidate.Pt());
+ fHistograms->FillHistogram(Form("%d%dESD_Background_InvMass_Fiducial",zbin,mbin),massBG);
+ }
+ // }
+ }
+ if(alfa<0.1){
+ fHistograms->FillHistogram("ESD_Background_InvMass_vs_E_alpha",massBG ,backgroundCandidate->GetE());
+ }
+
}
+ delete backgroundCandidate;
}
}
- delete backgroundCandidate;
}
}
- }
+ else{ // means using #V0s for multiplicity
+
+ // cout<<"Using the v0 multiplicity to calculate background"<<endl;
+
+ fHistograms->FillHistogram("ESD_Background_z_m",zbin,mbin);
+ fHistograms->FillHistogram("ESD_Mother_multpilicityVSv0s",fV0Reader->CountESDTracks(),fV0Reader->GetNumberOfV0s());
+
+ for(Int_t nEventsInBG=0;nEventsInBG <fV0Reader->GetNBGEvents();nEventsInBG++){
+ AliGammaConversionKFVector * previousEventV0s = bgHandler->GetBGGoodV0s(zbin,mbin,nEventsInBG);// fV0Reader->GetBGGoodV0s(nEventsInBG);
+ if(previousEventV0s){
+
+ if(fMoveParticleAccordingToVertex == kTRUE){
+ bgEventVertex = bgHandler->GetBGEventVertex(zbin,mbin,nEventsInBG);
+ }
+
+ for(Int_t iCurrent=0;iCurrent<currentEventV0s->GetEntriesFast();iCurrent++){
+ AliKFParticle currentEventGoodV0 = *(AliKFParticle *)(currentEventV0s->At(iCurrent));
+ for(UInt_t iPrevious=0;iPrevious<previousEventV0s->size();iPrevious++){
+ AliKFParticle previousGoodV0 = (AliKFParticle)(*(previousEventV0s->at(iPrevious)));
+
+ if(fMoveParticleAccordingToVertex == kTRUE){
+ MoveParticleAccordingToVertex(&previousGoodV0,bgEventVertex);
+ }
+
+ AliKFParticle *backgroundCandidate = new AliKFParticle(currentEventGoodV0,previousGoodV0);
+ Double_t massBG =0.;
+ Double_t widthBG = 0.;
+ Double_t chi2BG =10000.;
+ backgroundCandidate->GetMass(massBG,widthBG);
+
+ /* if(backgroundCandidate->GetNDF()>0){
+ chi2BG = backgroundCandidate->GetChi2()/backgroundCandidate->GetNDF();
+ {//remember to remove
+ TVector3 momentumVectorbackgroundCandidate(backgroundCandidate->GetPx(),backgroundCandidate->GetPy(),backgroundCandidate->GetPz());
+ TVector3 spaceVectorbackgroundCandidate(backgroundCandidate->GetX(),backgroundCandidate->GetY(),backgroundCandidate->GetZ());
+
+ Double_t openingAngleBG = currentEventGoodV0.GetAngle(previousGoodV0);
+ fHistograms->FillHistogram("ESD_Background_GammaDaughter_OpeningAngle_nochi2", openingAngleBG);
+ }
+ */
+ chi2BG = backgroundCandidate->GetChi2();
+ if((chi2BG>0 && chi2BG<fV0Reader->GetChi2CutMeson()) || fApplyChi2Cut == kFALSE){
+ TVector3 momentumVectorbackgroundCandidate(backgroundCandidate->GetPx(),backgroundCandidate->GetPy(),backgroundCandidate->GetPz());
+ TVector3 spaceVectorbackgroundCandidate(backgroundCandidate->GetX(),backgroundCandidate->GetY(),backgroundCandidate->GetZ());
+
+ Double_t openingAngleBG = currentEventGoodV0.GetAngle(previousGoodV0);
+
+ Double_t rapidity;
+ if(backgroundCandidate->GetE() - backgroundCandidate->GetPz() == 0 || backgroundCandidate->GetE() + backgroundCandidate->GetPz() == 0) rapidity=0;
+ else rapidity = 0.5*(TMath::Log((backgroundCandidate->GetE() +backgroundCandidate->GetPz()) / (backgroundCandidate->GetE()-backgroundCandidate->GetPz())));
+
+ if(TMath::Abs(rapidity) > fV0Reader->GetRapidityMesonCut() ){
+ delete backgroundCandidate;
+ continue; // rapidity cut
+ }
+
+
+ Double_t alfa=0.0;
+ if( (currentEventGoodV0.GetE()+previousGoodV0.GetE()) != 0){
+ alfa=TMath::Abs((currentEventGoodV0.GetE()-previousGoodV0.GetE())
+ /(currentEventGoodV0.GetE()+previousGoodV0.GetE()));
+ }
+
+
+ if(openingAngleBG < fMinOpeningAngleGhostCut ){
+ delete backgroundCandidate;
+ continue; // minimum opening angle to avoid using ghosttracks
+ }
+
+ if(alfa>fV0Reader->GetAlphaMinCutMeson() && alfa<fV0Reader->GetAlphaCutMeson()){
+ fHistograms->FillHistogram("ESD_Background_GammaDaughter_OpeningAngle", openingAngleBG);
+ fHistograms->FillHistogram("ESD_Background_Energy", backgroundCandidate->GetE());
+ fHistograms->FillHistogram("ESD_Background_Pt", momentumVectorbackgroundCandidate.Pt());
+ fHistograms->FillHistogram("ESD_Background_Eta", momentumVectorbackgroundCandidate.Eta());
+ fHistograms->FillHistogram("ESD_Background_Rapidity", rapidity);
+ fHistograms->FillHistogram("ESD_Background_Phi", spaceVectorbackgroundCandidate.Phi());
+ fHistograms->FillHistogram("ESD_Background_Mass", massBG);
+ fHistograms->FillHistogram("ESD_Background_R", spaceVectorbackgroundCandidate.Pt()); // Pt in Space == R!!!!
+ fHistograms->FillHistogram("ESD_Background_ZR", backgroundCandidate->GetZ(), spaceVectorbackgroundCandidate.Pt());
+ fHistograms->FillHistogram("ESD_Background_XY", backgroundCandidate->GetX(), backgroundCandidate->GetY());
+ fHistograms->FillHistogram("ESD_Background_InvMass_vs_Pt",massBG,momentumVectorbackgroundCandidate.Pt());
+ fHistograms->FillHistogram("ESD_Background_InvMass",massBG);
+
+
+ fHistograms->FillHistogram("ESD_Background_InvMass_vs_Pt_alpha",massBG,momentumVectorbackgroundCandidate.Pt());
+
+ if(massBG>0.1 && massBG<0.15){
+ fHistograms->FillHistogram("ESD_Background_alfa_Pi0", alfa);
+ }
+ if(massBG>0.5 && massBG<0.57){
+ fHistograms->FillHistogram("ESD_Background_alfa_Eta", alfa);
+ }
+
+ if ( TMath::Abs(currentEventGoodV0.GetEta())<0.9 && TMath::Abs(previousGoodV0.GetEta())<0.9 ){
+ fHistograms->FillHistogram("ESD_Background_InvMass_vs_Pt_Fiducial",massBG,momentumVectorbackgroundCandidate.Pt());
+ fHistograms->FillHistogram("ESD_Background_InvMass_Fiducial",massBG);
+ }
+
+ if(massBG>0.5 && massBG<0.6){
+ fHistograms->FillHistogram("ESD_Background_alfa_pt0506",momentumVectorbackgroundCandidate.Pt(),alfa);
+ }
+ if(massBG>0.3 && massBG<0.4){
+ fHistograms->FillHistogram("ESD_Background_alfa_pt0304",momentumVectorbackgroundCandidate.Pt(),alfa);
+ }
+
+ // test
+ fHistograms->FillHistogram(Form("%d%dESD_Background_GammaDaughter_OpeningAngle",zbin,mbin), openingAngleBG);
+ fHistograms->FillHistogram(Form("%d%dESD_Background_Energy",zbin,mbin), backgroundCandidate->GetE());
+ fHistograms->FillHistogram(Form("%d%dESD_Background_Pt",zbin,mbin), momentumVectorbackgroundCandidate.Pt());
+ fHistograms->FillHistogram(Form("%d%dESD_Background_Eta",zbin,mbin), momentumVectorbackgroundCandidate.Eta());
+ fHistograms->FillHistogram(Form("%d%dESD_Background_Rapidity",zbin,mbin), rapidity);
+ fHistograms->FillHistogram(Form("%d%dESD_Background_Phi",zbin,mbin), spaceVectorbackgroundCandidate.Phi());
+ fHistograms->FillHistogram(Form("%d%dESD_Background_Mass",zbin,mbin), massBG);
+ fHistograms->FillHistogram(Form("%d%dESD_Background_R",zbin,mbin), spaceVectorbackgroundCandidate.Pt()); // Pt in Space == R!!!!
+ fHistograms->FillHistogram(Form("%d%dESD_Background_ZR",zbin,mbin), backgroundCandidate->GetZ(), spaceVectorbackgroundCandidate.Pt());
+ fHistograms->FillHistogram(Form("%d%dESD_Background_XY",zbin,mbin), backgroundCandidate->GetX(), backgroundCandidate->GetY());
+ fHistograms->FillHistogram(Form("%d%dESD_Background_InvMass_vs_Pt",zbin,mbin),massBG,momentumVectorbackgroundCandidate.Pt());
+ fHistograms->FillHistogram(Form("%d%dESD_Background_InvMass",zbin,mbin),massBG);
+
+ if ( TMath::Abs(currentEventGoodV0.GetEta())<0.9 && TMath::Abs(previousGoodV0.GetEta())<0.9 ){
+ fHistograms->FillHistogram(Form("%d%dESD_Background_InvMass_vs_Pt_Fiducial",zbin,mbin),massBG,momentumVectorbackgroundCandidate.Pt());
+ fHistograms->FillHistogram(Form("%d%dESD_Background_InvMass_Fiducial",zbin,mbin),massBG);
+ }
+ }
+
+ if(alfa<0.1){
+ fHistograms->FillHistogram("ESD_Background_InvMass_vs_E_alpha",massBG ,backgroundCandidate->GetE());
+ }
+ // }
+ }
+ delete backgroundCandidate;
+ }
+ }
+ }
+ }
+ } // end else (means use #v0s as multiplicity)
+ } // end no rotation
}
}
//____________________________________________________________________
-Bool_t AliAnalysisTaskGammaConversion::IsGoodImpPar(AliESDtrack *const track)
+Bool_t AliAnalysisTaskGammaConversion::IsGoodImpPar(const AliESDtrack *const track)
{
//
// check whether particle has good DCAr(Pt) impact
if(!curTrack){
continue;
}
- if(!IsGoodImpPar(curTrack)){
- continue;
- }
+ // Not needed if Standard function used.
+// if(!IsGoodImpPar(curTrack)){
+// continue;
+// }
if(fEsdTrackCuts->AcceptTrack(curTrack) ){
new((*fChargedParticles)[fChargedParticles->GetEntriesFast()]) AliESDtrack(*curTrack);
numberOfESDTracks++;
}
}
- fHistograms->FillHistogram("ESD_NumberOfGoodESDTracks",numberOfESDTracks);
-
- if (fV0Reader->GetNumberOfContributorsVtx()>=1){
- fHistograms->FillHistogram("ESD_NumberOfGoodESDTracksVtx",numberOfESDTracks);
- }
+// Moved to UserExec using CountAcceptedTracks function. runjet is not needed by default
+// fHistograms->FillHistogram("ESD_NumberOfGoodESDTracks",numberOfESDTracks);
+// cout<<"esdtracks::"<< numberOfESDTracks<<endl;
+// if (fV0Reader->GetNumberOfContributorsVtx()>=1){
+// fHistograms->FillHistogram("ESD_NumberOfGoodESDTracksVtx",numberOfESDTracks);
+// }
}
void AliAnalysisTaskGammaConversion::RecalculateV0ForGamma(){
-
+ //recalculates v0 for gamma
+
Double_t massE=0.00051099892;
TLorentzVector curElecPos;
TLorentzVector curElecNeg;
void AliAnalysisTaskGammaConversion::UserCreateOutputObjects()
{
- //AOD
- if(fAODBranch==NULL){
- fAODBranch = new TClonesArray("AliGammaConversionAODObject", 0);
+
+ if(fKFCreateAOD) {
+
+ //AOD
+ if(!fAODGamma) fAODGamma = new TClonesArray(fOutputAODClassName.Data(), 0);
+ else fAODGamma->Delete();
+ fAODGamma->SetName(Form("%s_gamma", fAODBranchName.Data()));
+
+ if(!fAODPi0) fAODPi0 = new TClonesArray(fOutputAODClassName.Data(), 0);
+ else fAODPi0->Delete();
+ fAODPi0->SetName(Form("%s_Pi0", fAODBranchName.Data()));
+
+ if(!fAODOmega) fAODOmega = new TClonesArray(fOutputAODClassName.Data(), 0);
+ else fAODOmega->Delete();
+ fAODOmega->SetName(Form("%s_Omega", fAODBranchName.Data()));
+
+ //If delta AOD file name set, add in separate file. Else add in standard aod file.
+ if(GetDeltaAODFileName().Length() > 0) {
+ AddAODBranch("TClonesArray", &fAODGamma, GetDeltaAODFileName().Data());
+ AddAODBranch("TClonesArray", &fAODPi0, GetDeltaAODFileName().Data());
+ AddAODBranch("TClonesArray", &fAODOmega, GetDeltaAODFileName().Data());
+ AliAnalysisManager::GetAnalysisManager()->RegisterExtraFile(GetDeltaAODFileName().Data());
+ } else {
+ AddAODBranch("TClonesArray", &fAODGamma);
+ AddAODBranch("TClonesArray", &fAODPi0);
+ AddAODBranch("TClonesArray", &fAODOmega);
+ }
}
- fAODBranch->Delete();
- fAODBranch->SetName(fAODBranchName);
- AddAODBranch("TClonesArray", &fAODBranch);
-
+
// Create the output container
if(fOutputContainer != NULL){
delete fOutputContainer;
fOutputContainer->SetName(GetName());
}
-Double_t AliAnalysisTaskGammaConversion::GetMCOpeningAngle(TParticle* const daughter0, TParticle* const daughter1) const{
+Double_t AliAnalysisTaskGammaConversion::GetMCOpeningAngle(const TParticle* const daughter0, const TParticle* const daughter1) const{
//helper function
TVector3 v3D0(daughter0->Px(),daughter0->Py(),daughter0->Pz());
TVector3 v3D1(daughter1->Px(),daughter1->Py(),daughter1->Pz());
}
-void AliAnalysisTaskGammaConversion::GetPID(AliESDtrack *track, Stat_t &pid, Stat_t &weight)
+void AliAnalysisTaskGammaConversion::GetPID(const AliESDtrack *track, Stat_t &pid, Stat_t &weight)
{
// see header file for documentation
pid = -1;
pid = ipid;
weight = max;
}
-double AliAnalysisTaskGammaConversion::GetSigmaToVertex(AliESDtrack* t)
+double AliAnalysisTaskGammaConversion::GetSigmaToVertex(const AliESDtrack* t)
{
// Calculates the number of sigma to the vertex.
// return tlVtrack;
}
+Int_t AliAnalysisTaskGammaConversion::GetProcessType(const AliMCEvent * mcEvt) {
+
+ // Determine if the event was generated with pythia or phojet and return the process type
+ // Check if mcEvt is fine
+ if (!mcEvt) {
+ AliFatal("NULL mc event");
+ }
+
+ // Determine if it was a pythia or phojet header, and return the correct process type
+ AliGenPythiaEventHeader * headPy = 0;
+ AliGenDPMjetEventHeader * headPho = 0;
+ AliGenEventHeader * htmp = mcEvt->GenEventHeader();
+ if(!htmp) {
+ AliFatal("Cannot Get MC Header!!");
+ }
+ if( TString(htmp->IsA()->GetName()) == "AliGenPythiaEventHeader") {
+ headPy = (AliGenPythiaEventHeader*) htmp;
+ } else if (TString(htmp->IsA()->GetName()) == "AliGenDPMjetEventHeader") {
+ headPho = (AliGenDPMjetEventHeader*) htmp;
+ } else {
+ AliError("Unknown header");
+ }
+
+ // Determine process type
+ if(headPy) {
+ if(headPy->ProcessType() == 92 || headPy->ProcessType() == 93) {
+ // single difractive
+ return kProcSD;
+ } else if (headPy->ProcessType() == 94) {
+ // double diffractive
+ return kProcDD;
+ }
+ else if(headPy->ProcessType() != 92 && headPy->ProcessType() != 93 && headPy->ProcessType() != 94) {
+ // non difractive
+ return kProcND;
+ }
+ } else if (headPho) {
+ if(headPho->ProcessType() == 5 || headPho->ProcessType() == 6 ) {
+ // single difractive
+ return kProcSD;
+ } else if (headPho->ProcessType() == 7) {
+ // double diffractive
+ return kProcDD;
+ } else if(headPho->ProcessType() != 5 && headPho->ProcessType() != 6 && headPho->ProcessType() != 7 ) {
+ // non difractive
+ return kProcND;
+ }
+ }
+
+
+ // no process type found?
+ AliError(Form("Unknown header: %s", htmp->IsA()->GetName()));
+ return kProcUnknown;
+}
+
+
+Int_t AliAnalysisTaskGammaConversion::CalculateMultiplicityBin(){
+ // Get Centrality bin
+
+ Int_t multiplicity = 0;
+
+ if ( fUseMultiplicity == 1 ) {
+
+ if (fMultiplicity>= 0 && fMultiplicity<= 5) multiplicity=1;
+ if (fMultiplicity>= 6 && fMultiplicity<= 9) multiplicity=2;
+ if (fMultiplicity>=10 && fMultiplicity<=14) multiplicity=3;
+ if (fMultiplicity>=15 && fMultiplicity<=22) multiplicity=4;
+ if (fMultiplicity>=23 ) multiplicity=5;
+
+ }
+ return multiplicity;
+}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff