--- /dev/null
+
+AliAnalysisTaskGammaConvDalitz* AddTaskGammaConvDalitz(
+ AliV0Reader *v0Reader,
+ Bool_t computeBkg,
+ Bool_t standalone = kFALSE
+ ){
+
+
+ AliAnalysisManager *mgr = AliAnalysisManager::GetAnalysisManager();
+ if (!mgr) {
+ ::Error("AddGammaConvDalitz", "No analysis manager to connect to.");
+ return 0;
+ }
+
+ // Check the analysis type using the event handlers connected to the analysis manager.
+ //==============================================================================
+ if (!mgr->GetInputEventHandler()) {
+ ::Error("AddGammaConvDalitz", "This task requires an input event handler");
+ return 0;
+ }
+
+
+ //------------------------- Dalitz task ---------------------------------
+ AliGammaConversionHistograms* histogramsD = new AliGammaConversionHistograms();
+ AddHistogramsDalitz( histogramsD );
+
+ AliAnalysisTaskGammaConvDalitz* dalitzTask = new AliAnalysisTaskGammaConvDalitz("GammaConversionTaskDalitz");
+ AliV0Reader* v0ReaderD = v0Reader;
+
+ dalitzTask->AdoptHistograms( histogramsD );
+ dalitzTask->SetComputeBackground( computeBkg );
+ dalitzTask->SetUseBayesPID( kGCUseBayesPID );
+ dalitzTask->SetNSigmasElecTPC( kGCNSigmaBelowElecTPCbethe, kGCNSigmaAboveElecTPCbethe);
+ dalitzTask->SetNSigmasPionTPC( kGCNSigmaAbovePionTPCbethe );
+ dalitzTask->SetNSigmasKaonTPC( kGCNSigmaAboveKaonTPCbethe );
+ dalitzTask->SetNSigmasProtonTPC( kGCNSigmaAboveProtonTPCbethe );
+
+ dalitzTask->SetUseESDtrackIndexCut( kGCUseTrackIndexCut );
+ dalitzTask->SetUsePsiPairCut( kGCUsePsiPairCut );
+ dalitzTask->SetPsiPairCut( kGCPsiPairCut, kGCDeltaPhiCutMin, kGCDeltaPhiCutMax, kGCReadMagFieldSign);
+ dalitzTask->SetUseMassCut( kGCUseMassCut );
+ dalitzTask->SetUseGammaCut( kGCUseGammaCut );
+ dalitzTask->SetUseAliKF( kGCUseAliKF );
+
+ dalitzTask->SetTrackSelectionCriteria(kGCTrkSelectionCriteria);
+
+ // track selection
+ // -----------------------------
+
+ AliESDtrackCuts* esdTrackCuts = new AliESDtrackCuts("track cuts for pi0 Dalitz decay");
+
+ esdTrackCuts->SetEtaRange( -0.9, 0.9 );
+ esdTrackCuts->SetAcceptKinkDaughters(kFALSE);
+
+ esdTrackCuts->SetMinNClustersITS(2);
+ esdTrackCuts->SetClusterRequirementITS(AliESDtrackCuts::kSPD, AliESDtrackCuts::kFirst);
+ esdTrackCuts->SetRequireITSRefit(kTRUE);
+
+ //esdTrackCuts->SetRequireSigmaToVertex(kTRUE);
+ //esdTrackCuts->SetMaxNsigmaToVertex(3);
+
+ esdTrackCuts->SetMaxDCAToVertexXY(1.);
+ esdTrackCuts->SetMaxDCAToVertexZ(3.);
+ esdTrackCuts->SetDCAToVertex2D(kTRUE);
+
+ // ITSsa
+ AliESDtrackCuts* esdITSsaTrackCuts = new AliESDtrackCuts(*esdTrackCuts);
+ esdITSsaTrackCuts->SetRequireITSStandAlone(kTRUE);
+
+ dalitzTask->AdoptITSsaTrackCuts( esdITSsaTrackCuts );
+
+ esdTrackCuts->SetMinNClustersTPC(80);
+ esdTrackCuts->SetMaxChi2PerClusterTPC(4.);
+ esdTrackCuts->SetMaxCovDiagonalElements(2,2,0.5,0.5,2);
+ esdTrackCuts->SetRequireTPCRefit(kTRUE);
+
+ dalitzTask->AdoptESDtrackCuts( esdTrackCuts );
+
+ // --------------------- electrons pid cuts -----------------------------
+ esdPidCuts = new AliESDpidCuts("Electrons", "Electron PID cuts");
+ // esdPidCuts->SetTPCnSigmaCut(AliPID::kElectron, 3.);
+ esdPidCuts->SetTPCnSigmaCut(AliPID::kElectron, -3., 3.);
+ //esdPidCuts->SetTPCnSigmaCut(AliPID::kPion, -1000., 0.);
+
+ dalitzTask->AdoptESDpidCuts( esdPidCuts );
+
+ if( standalone )
+ {
+ v0ReaderD = new AliV0Reader( *v0Reader ); // Copy constructor
+ v0ReaderD->SetHistograms( histogramsD );
+ v0ReaderD->SetDoMCTruth( kGCdoMCTruth ); // NOTE: not copied in Copy constructor!!!
+ v0ReaderD->SetESDtrackCuts( esdTrackCuts );
+ dalitzTask->SetRunStandalone( kTRUE );
+ }
+
+ dalitzTask->SetV0Reader( v0ReaderD );
+ dalitzTask->SetDoMC(kGCdoMCTruth);
+
+ dalitzTask->SetDebugLevel(AliLog::kFatal);
+
+ // Select triggers events (needs AliPhysicsSelectionTask in the train)
+ dalitzTask->SelectCollisionCandidates();
+
+ // Add task to the manager
+ mgr->AddTask( dalitzTask );
+
+ // Connect I/O to the task
+ TString outputfile = AliAnalysisManager::GetCommonFileName();
+ outputfile += ":PWG4_GammaConversion";
+ outputfile += Form("_%s",kGCAnalysisCutSelectionId.Data());
+ AliAnalysisDataContainer *coutput3 = mgr->CreateContainer("histogramsAliGammaConversionDalitz", TList::Class(),AliAnalysisManager::kOutputContainer, outputfile);
+ mgr->ConnectInput ( dalitzTask, 0, mgr->GetCommonInputContainer() );
+ mgr->ConnectOutput( dalitzTask, 1, coutput3 );
+
+ return dalitzTask;
+}
+
+//----------------------------------------------------------------------------------
+
+// Table_MC
+Int_t kGCnElementsPi0Table = 5;
+const char* kGCPi0Table[] = {
+ "Events", // 0
+ "\\pi^{0}->\\gamma\\gamma", // 1
+ "\\pi^{0}->e+e-\\gamma", // 2
+ "\\pi^{0}->e+e-\\gamma acceptance", // 3
+ "\\pi^{0}->e+e-\\gamma converted" // 4
+};
+
+//----------------------------------------------------------------------------------
+// Table_PID
+Int_t kGCnElementsPidTable = 6;
+const char* kGCPidTable[] = { "e", "\\mu", "\\pi", "K", "p", "sum" };
+
+//----------------------------------------------------------------------------------
+
+// Table_ElectronDalitz (ESD cuts)
+Int_t kGCnElementsElectronDalitzTable = 8;
+const char * kGCElectronDalitzTable[] = {
+ "Events", // 0
+ "e+ candidates", // 1
+ "e- candidates", // 2
+ "e+ Dalitz", // 3
+ "e- Dalitz", // 4
+ "dalitz pairs", // 5
+ "\\gamma \\pi^{0}", // 6
+ "\\pi^{0} Dalitz" // 7
+};
+
+//----------------------------------------------------------------------------------
+// Table_ElectronDalitz (ESD cuts)
+Int_t kGCnElementsCutsTable = 6;
+const char * kGCCutsTable[] = {
+ "Events", //0
+ "No cut", //1
+ "Index cut", //2
+ "PsiPair cut", //3
+ "Mass cut", //4
+ "Angle cut" //5
+};
+
+//----------------------------------------------------------------------------------
+void AddHistogramsDalitz( AliGammaConversionHistograms *histograms )
+{
+ // Generation
+ //
+ if(kGCdoMCTruth)
+ {
+ // pi0
+ histograms->AddHistogram("MC_Pi0Dalitz_P", "\\pi^{0} Dalitz decay", kGCnXBinsPt, kGCfirstXBinPt, kGClastXBinPt/5., "p (GeV/c)", "");
+ histograms->AddHistogram("MC_Pi0Dalitz_Pt", "\\pi^{0} Dalitz decay", kGCnXBinsPt, kGCfirstXBinPt, kGClastXBinPt/5., "p_{t} (GeV/c)", "");
+ histograms->AddHistogram("MC_Pi0Dalitz_Eta", "\\pi^{0} Dalitz decay", kGCnXBinsEta, kGCfirstXBinEta, kGClastXBinEta, "\\eta" , "");
+ histograms->AddHistogram("MC_Pi0Dalitz_Pt_vs_Y", "\\pi^{0} Dalitz decay", kGCnXBinsRapid, kGCfirstXBinRapid, kGClastXBinRapid, kGCnXBinsPt, kGCfirstXBinPt, kGClastXBinPt/5., "y","p_{t} (GeV/c)");
+ histograms->AddHistogram("MC_Acceptance_Pi0Dalitz_Pt_vs_Y", "\\pi^{0} Acceptance", kGCnXBinsRapid, kGCfirstXBinRapid, kGClastXBinRapid, kGCnXBinsPt, kGCfirstXBinPt, kGClastXBinPt/5., "y","p_{t} (GeV/c)");
+ histograms->AddHistogram("MC_Acceptance_GC_Pi0Dalitz_Pt_vs_Y", "\\pi^{0} Acceptance with converted \\gamma", kGCnXBinsRapid, kGCfirstXBinRapid, kGClastXBinRapid, kGCnXBinsPt, kGCfirstXBinPt, kGClastXBinPt/5., "y","p_{t} (GeV/c)");
+
+ // e+ from pi0
+ histograms->AddHistogram("MC_EposDalitz_Pt", "e+ from Dalitz pair", kGCnXBinsPt,kGCfirstXBinPt,kGClastXBinPt/5.,"p_{t} (GeV/c)","");
+ histograms->AddHistogram("MC_EposDalitz_Eta", "e+ from Dalitz pair", kGCnXBinsEta,kGCfirstXBinEta,kGClastXBinEta,"\\eta","");
+
+ // e- from pi0
+ histograms->AddHistogram("MC_EnegDalitz_Pt", "e- from Dalitz pair", kGCnXBinsPt,kGCfirstXBinPt,kGClastXBinPt/5.,"p_{t} (GeV/c)","");
+ histograms->AddHistogram("MC_EnegDalitz_Eta", "e- from Dalitz pair", kGCnXBinsEta,kGCfirstXBinEta,kGClastXBinEta,"\\eta","");
+
+ // gamma from pi0
+ histograms->AddHistogram("MC_GammaPi0Dalitz_Pt", "\\gamma from \\pi^{0} Dalitz decay", kGCnXBinsPt,kGCfirstXBinPt,kGClastXBinPt/5.,"p_{t} (GeV/c)","");
+ histograms->AddHistogram("MC_GammaPi0Dalitz_Eta", "\\gamma from \\pi^{0} Dalitz decay", kGCnXBinsEta,kGCfirstXBinEta,kGClastXBinEta,"\\eta","");
+
+ // angles
+ // e+e-
+ histograms->AddHistogram("MC_EposEnegDalitz_Angle", "e+e- Dalitz pair", kGCnXBinsEPosNegAngle,kGCfirstXBinEPosNegAngle,kGClastXBinEPosNegAngle,"Angle(e+,e-) (rad)","");
+ // e+e- gamma
+ histograms->AddHistogram("MC_EposEnegDalitz_GammaPi0_Angle", "Angle between the plane e+e- and \\gamma from Pi0 Dalitz decay", kGCnXBinsEPosNegAngle,kGCfirstXBinEPosNegAngle,kGClastXBinEPosNegAngle,"\\theta (rad)","");
+ histograms->AddHistogram("MC_EposEnegDalitz_GammaPi0_Angle_vs_P","Angle between the plane e+e- and \\gamma from Pi0 Dalitz decay",kGCnXBinsEPosNegAngle,kGCfirstXBinEPosNegAngle,kGClastXBinEPosNegAngle,kGCnXBinsPt,kGCfirstXBinPt,kGClastXBinPt/5.,"\\theta (rad)","p(\\pi^{0}) (GeV/c)");
+ histograms->AddHistogram("MC_EposEnegDalitz_GammaPi0_Angle_vs_Pt","Angle between the plane e+e- and \\gamma from Pi0 Dalitz decay",kGCnXBinsEPosNegAngle,kGCfirstXBinEPosNegAngle,kGClastXBinEPosNegAngle,kGCnXBinsPt,kGCfirstXBinPt,kGClastXBinPt/5.,"\\theta (rad)","p_{t}(\\pi^{0}) (GeV/c)");
+
+ // Pi0 within acceptance
+ histograms->AddHistogram("MC_Acceptance_Pi0Dalitz_Pt", "\\pi^{0} Dalitz decay within acceptance", kGCnXBinsPt,kGCfirstXBinPt,kGClastXBinPt/5.,"p_{t} (GeV/c)","");
+ histograms->AddHistogram("MC_Acceptance_Pi0Dalitz_Eta", "\\pi^{0} Dalitz decay within acceptance", kGCnXBinsEta,kGCfirstXBinEta,kGClastXBinEta,"\\eta","");
+ histograms->AddHistogram("MC_Acceptance_Pi0Dalitz_Radius", "\\pi^{0} Dalitz decay within acceptance", kGCnXBinsR,kGCfirstXBinR,kGClastXBinR,"Radius(XY) cm","");
+
+ histograms->AddHistogram("MC_Acceptance_GammaPi0Dalitz_Pt", "\\gamma from \\pi^{0} Dalitz, \\pi^{0} within acceptance ", kGCnXBinsPt,kGCfirstXBinPt,kGClastXBinPt/5.,"p_{t} (GeV/c)","");
+ histograms->AddHistogram("MC_Acceptance_GammaPi0Dalitz_Eta", "\\gamma from \\pi^{0} Dalitz, \\pi^{0} within acceptance ", kGCnXBinsEta,kGCfirstXBinEta,kGClastXBinEta,"\\eta","");
+
+ histograms->AddHistogram("MC_Acceptance_DalitzPair_OpeningAngle", "Dalitz pair within acceptance", kGCnXBinsEPosNegAngle,kGCfirstXBinEPosNegAngle,kGClastXBinEPosNegAngle,"Angle(e+,e-) (rad)","");
+ histograms->AddHistogram("MC_GC_GammaPi0Dalitz_All_Z_vs_R", "\\gamma from \\pi^{0} Dalitz decay", kGCnXBinsZR, kGCfirstXBinZR, kGClastXBinZR, kGCnYBinsZR, kGCfirstYBinZR, kGClastYBinZR, "Z (cm)"," R (cm)");
+
+ // e+ within acceptance
+ histograms->AddHistogram("MC_Acceptance_EposDalitz_Pt", "e+ from Dalitz pair within acceptance", kGCnXBinsPt,kGCfirstXBinPt,kGClastXBinPt/5.,"p_{t} (GeV/c)","");
+ histograms->AddHistogram("MC_Acceptance_EposDalitz_Eta", "e+ from Dalitz pair within acceptance", kGCnXBinsEta,kGCfirstXBinEta,kGClastXBinEta,"\\eta","");
+
+ // e-
+ histograms->AddHistogram("MC_Acceptance_EnegDalitz_Pt", "e- from Dalitz pair within acceptance", kGCnXBinsPt,kGCfirstXBinPt,kGClastXBinPt/5.,"p_{t} (GeV/c)","");
+ histograms->AddHistogram("MC_Acceptance_EnegDalitz_Eta", "e- from Dalitz pair within acceptance", kGCnXBinsEta,kGCfirstXBinEta,kGClastXBinEta,"\\eta","");
+ // e+e-
+ histograms->AddHistogram("MC_Acceptance_DalitzPair_EposPt_vs_EnegPt","Dalitz pair within acceptance", kGCnXBinsPt,kGCfirstXBinPt,kGClastXBinPt/5.,kGCnXBinsPt,kGCfirstXBinPt,kGClastXBinPt/5.,"p_{t}(e+) (GeV/c)","p_{t}(e-) (GeV/c)");
+
+ // within acceptance with gamma converted
+ histograms->AddHistogram("MC_Acceptance_GC_Pi0Dalitz_Pt", "\\pi^{0} Dalitz decay within acceptance with \\gamma converted", kGCnXBinsPt,kGCfirstXBinPt,kGClastXBinPt/5.,"p_{t} (GeV/c)","");
+ histograms->AddHistogram("MC_Acceptance_GC_Pi0Dalitz_Eta", "\\pi^{0} Dalitz decay within acceptance with \\gamma converted", kGCnXBinsEta,kGCfirstXBinEta,kGClastXBinEta,"\\eta","");
+
+ histograms->AddHistogram("MC_Acceptance_GC_EposPi0Dalitz_Pt", "e+ from Dalitz pair, \\pi^{0} within acceptance with \\gamma converted", kGCnXBinsPt,kGCfirstXBinPt,kGClastXBinPt/5.,"p_{t} (GeV/c)","");
+ histograms->AddHistogram("MC_Acceptance_GC_EposPi0Dalitz_Eta", "e+ from Dalitz pair, \\pi^{0} within acceptance with \\gamma converted", kGCnXBinsEta,kGCfirstXBinEta,kGClastXBinEta,"\\eta","");
+
+ histograms->AddHistogram("MC_Acceptance_GC_EnegPi0Dalitz_Pt", "e- from Dalitz pair, \\pi^{0} within acceptance with \\gamma converted", kGCnXBinsPt,kGCfirstXBinPt,kGClastXBinPt/5.,"p_{t} (GeV/c)","");
+ histograms->AddHistogram("MC_Acceptance_GC_EnegPi0Dalitz_Eta", "e- from Dalitz pair, \\pi^{0} within acceptance with \\gamma converted", kGCnXBinsEta,kGCfirstXBinEta,kGClastXBinEta,"\\eta","");
+
+ histograms->AddHistogram("MC_Acceptance_GC_GammaPi0Dalitz_Pt", "\\gamma from \\pi^{0} Dalitz, \\pi^{0} within acceptance with \\gamma converted", kGCnXBinsPt,kGCfirstXBinPt,kGClastXBinPt/5.,"p_{t} (GeV/c)","");
+ histograms->AddHistogram("MC_Acceptance_GC_GammaPi0Dalitz_Eta", "\\gamma from \\pi^{0} Dalitz, \\pi^{0} within acceptance with \\gamma converted", kGCnXBinsEta,kGCfirstXBinEta,kGClastXBinEta,"\\eta","");
+ histograms->AddHistogram("MC_Acceptance_GC_GammaPi0Dalitz_Z_vs_R", "\\gamma from \\pi^{0} Dalitz decay within acceptance GC", kGCnXBinsZR, kGCfirstXBinZR, kGClastXBinZR, kGCnYBinsZR, kGCfirstYBinZR, kGClastYBinZR, "Z (cm)","R (cm)");
+ }
+ // Reconstruction
+ // ---------------------------------------------------------------------------
+
+ // reconstructed epos
+ histograms->AddHistogram("ESD_EposCandidates_Pt", "Reconstructed e+ candidates", kGCnXBinsPt,kGCfirstXBinPt,kGClastXBinPt/5.,"p_{t} (GeV/c)","");
+ histograms->AddHistogram("ESD_EposCandidates_Eta", "Reconstructed e+ candidates", kGCnXBinsEta,kGCfirstXBinEta,kGClastXBinEta,"\\eta","");
+
+ // reconstructed eneg
+ histograms->AddHistogram("ESD_EnegCandidates_Pt", "Reconstructed e- candidates", kGCnXBinsPt,kGCfirstXBinPt,kGClastXBinPt/5.,"p_{t} (GeV/c)","");
+ histograms->AddHistogram("ESD_EnegCandidates_Eta", "Reconstructed e- candidates", kGCnXBinsEta,kGCfirstXBinEta,kGClastXBinEta,"\\eta","");
+
+ // Reconstructed dalitz pair
+ histograms->AddHistogram("ESD_DalitzPairCandidates_Pt", "Reconstructed Dalitz pair candidates", kGCnXBinsPt,kGCfirstXBinPt,kGClastXBinPt/5.,"p_{t} (GeV/c)","");
+ histograms->AddHistogram("ESD_DalitzPairCandidates_Mass", "Reconstructed Dalitz pair candidates", kGCnXBinsDalitzMass, kGCfirstXBinDalitzMass, kGClastXBinDalitzMass, "M(e+,e-) (GeV/c^{2})","");
+
+ // gammas
+ histograms->AddHistogram("ESD_GammaCandidates_Pt", "Reconstructed \\gamma candidates", kGCnXBinsPt,kGCfirstXBinPt,kGClastXBinPt/5.,"p_{t} (GeV/c)","");
+ histograms->AddHistogram("ESD_GammaCandidates_Eta", "Reconstructed \\gamma candidates", kGCnXBinsEta,kGCfirstXBinEta,kGClastXBinEta,"\\eta","");
+
+ histograms->AddHistogram("ESD_EposEneg_GammaCandidates_Angle", "Angle between e+, e- candidates and \\gamma candidates", kGCnXBinsEPosNegAngle,kGCfirstXBinEPosNegAngle,kGClastXBinEPosNegAngle,"Angle(e+e-, \\gamma) (rad)","");
+
+ // Reconstructed pi0
+ //
+ histograms->AddHistogram("ESD_Pi0_P", "\\pi^{0} Dalitz decay", kGCnXBinsPt,kGCfirstXBinPt,kGClastXBinPt/5.,"p (GeV/c)","");
+ histograms->AddHistogram("ESD_Pi0_Pt", "\\pi^{0} Dalitz decay", kGCnXBinsPt,kGCfirstXBinPt,kGClastXBinPt/5.,"p_{t} (GeV/c)","");
+ histograms->AddHistogram("ESD_Pi0_Eta", "\\pi^{0} Dalitz decay", kGCnXBinsEta,kGCfirstXBinEta,kGClastXBinEta,"\\eta","");
+ histograms->AddHistogram("ESD_Pi0_Y", "\\pi^{0} Dalitz decay", kGCnXBinsRapid,kGCfirstXBinRapid,kGClastXBinRapid,"y","");
+ histograms->AddHistogram("ESD_Pi0_Phi", "\\pi^{0} Dalitz decay", kGCnXBinsPhi,kGCfirstXBinPhi,kGClastXBinPhi," \\phi (rad)","");
+ histograms->AddHistogram("ESD_Pi0_Mass", "\\pi^{0} Dalitz decay", kGCnXBinsPi0DalitzMass, kGCfirstXBinPi0DalitzMass, kGClastXBinPi0DalitzMass,"M(e+,e-,\\gamma) (GeV/c^{2})","");
+ histograms->AddHistogram("ESD_Pi0_Pt_vs_Y","\\pi^{0} Dalitz decay", kGCnXBinsRapid, kGCfirstXBinRapid, kGClastXBinRapid, kGCnXBinsPt,kGCfirstXBinPt,kGClastXBinPt/5.,"y","p_{t} (GeV/c)");
+ histograms->AddHistogram("ESD_Pi0_Mass_vs_Pt","\\pi^{0} Dalitz decay", kGCnXBinsPt,kGCfirstXBinPt,kGClastXBinPt/5., kGCnXBinsPi0DalitzMass, kGCfirstXBinPi0DalitzMass, kGClastXBinPi0DalitzMass,"p_{t} (GeV/c)","M(e+,e-,\\gamma) (GeV/c^{2})");
+ histograms->AddHistogram("ESD_Pi0_Mass_vs_Eta","\\pi^{0} Dalitz decay", kGCnXBinsEta,kGCfirstXBinEta,kGClastXBinEta, kGCnXBinsPi0DalitzMass, kGCfirstXBinPi0DalitzMass, kGClastXBinPi0DalitzMass,"\\eta","M(e+,e-,\\gamma) (GeV/c^{2})");
+ histograms->AddHistogram("ESD_Pi0_Mass_vs_Y","\\pi^{0} Dalitz decay", kGCnXBinsRapid, kGCfirstXBinRapid, kGClastXBinRapid, kGCnXBinsPi0DalitzMass, kGCfirstXBinPi0DalitzMass, kGClastXBinPi0DalitzMass, "y","M(e+,e-,\\gamma) (GeV/c^{2})");
+
+ // Background
+ histograms->AddHistogram("ESD_BKG_EposEneg", "Like sign background", kGCnXBinsDalitzMass, kGCfirstXBinDalitzMass, kGClastXBinDalitzMass,"M(e+,e+) & M(e-,e-) (GeV/c^{2})","");
+ histograms->AddHistogram("ESD_BKG_PrevGamma", "e+e- with \\gamma used in the signal", kGCnXBinsPi0DalitzMass, kGCfirstXBinPi0DalitzMass, kGClastXBinPi0DalitzMass,"M(e+,e-,\\gamma) (GeV/c^{2})","");
+ histograms->AddHistogram("ESD_BKG_PrevGamma_vs_Pt", "Backgroud: \\gamma used in the signal", kGCnXBinsPt,kGCfirstXBinPt,kGClastXBinPt/5., kGCnXBinsPi0DalitzMass, kGCfirstXBinPi0DalitzMass, kGClastXBinPi0DalitzMass, "p_{t} (GeV/c)", "M(e+,e-,\\gamma) (GeV/c^{2})");
+
+ histograms->AddHistogram("ESD_BKG_BGHandler", "e+e- with \\gamma from a pool of events", kGCnXBinsPi0DalitzMass, kGCfirstXBinPi0DalitzMass, kGClastXBinPi0DalitzMass,"M(e+,e-,\\gamma) (GeV/c^{2})","");
+ histograms->AddHistogram("ESD_BKG_BGHandler_vs_Pt", "e+e- with \\gamma from a pool of events", kGCnXBinsPt,kGCfirstXBinPt,kGClastXBinPt/5., kGCnXBinsPi0DalitzMass, kGCfirstXBinPi0DalitzMass, kGClastXBinPi0DalitzMass,"p_{t} (GeV/c)","M(e+,e-,\\gamma) (GeV/c^{2})");
+
+ histograms->AddHistogram("ESD_BKG_Electron", "e+ with e-,\\gamma from a pool of events", kGCnXBinsPi0DalitzMass, kGCfirstXBinPi0DalitzMass, kGClastXBinPi0DalitzMass,"M(e+,e-,\\gamma) (GeV/c^{2})","");
+ histograms->AddHistogram("ESD_BKG_Electron_vs_Pt", "e+ with e-,\\gamma from a pool of events", kGCnXBinsPt,kGCfirstXBinPt,kGClastXBinPt/5., kGCnXBinsPi0DalitzMass, kGCfirstXBinPi0DalitzMass, kGClastXBinPi0DalitzMass,"p_{t} (GeV/c)","M(e+,e-,\\gamma) (GeV/c^{2})");
+
+
+ // GEANT
+ // ---------------------
+ if(kGCdoMCTruth)
+ {
+ histograms->AddHistogram("MC_ESD_EposDalitz_Pt", "Reconstructed e+ from Dalitz pair (MC)", kGCnXBinsPt,kGCfirstXBinPt,kGClastXBinPt/5.,"p_{t} (GeV/c)","");
+ histograms->AddHistogram("MC_ESD_EposDalitz_Eta", "Reconstructed e+ from Dalitz pair (MC)", kGCnXBinsEta,kGCfirstXBinEta,kGClastXBinEta,"\\eta","");
+
+ // reconstructed eneg
+ histograms->AddHistogram("MC_ESD_EnegDalitz_Pt", "Reconstructed e- from Dalitz pair (MC)", kGCnXBinsPt,kGCfirstXBinPt,kGClastXBinPt/5.,"p_{t} (GeV/c)","");
+ histograms->AddHistogram("MC_ESD_EnegDalitz_Eta", "Reconstructed e- from Dalitz pair (MC)", kGCnXBinsEta,kGCfirstXBinEta,kGClastXBinEta,"\\eta","");
+
+ // Reconstructed dalitz pair
+ histograms->AddHistogram("MC_ESD_DalitzPair_Pt", "Reconstructed Dalitz pair (MC)", kGCnXBinsPt,kGCfirstXBinPt,kGClastXBinPt/5.,"p_{t} (GeV/c)","");
+ histograms->AddHistogram("MC_ESD_DalitzPair_Mass", "Reconstructed Dalitz pair (MC)", kGCnXBinsPi0DalitzMass, kGCfirstXBinPi0DalitzMass, kGClastXBinPi0DalitzMass,"M(e+,e-) (GeV/c^{2})","");
+
+ // reconstructed gammas
+ histograms->AddHistogram("MC_ESD_Gamma_Pt", "Reconstructed \\gamma (MC)", kGCnXBinsPt,kGCfirstXBinPt,kGClastXBinPt/5.,"p_{t} (GeV/c)","");
+ histograms->AddHistogram("MC_ESD_Gamma_Eta", "Reconstructed \\gamma (MC)", kGCnXBinsEta,kGCfirstXBinEta,kGClastXBinEta,"\\eta","");
+
+ // gamma from Dalitz
+ histograms->AddHistogram("MC_ESD_GammaPi0Dalitz_Pt", "Reconstructed \\gamma from \\pi^{0} Dalitz (MC)", kGCnXBinsPt,kGCfirstXBinPt,kGClastXBinPt/5.,"p_{t} (GeV/c)","");
+ histograms->AddHistogram("MC_ESD_GammaPi0Dalitz_Eta", "Reconstructed \\gamma from \\pi^{0} Dalitz (MC)", kGCnXBinsEta,kGCfirstXBinEta,kGClastXBinEta,"\\eta","");
+
+ // Reconstructed pi0 (MC)
+ histograms->AddHistogram("MC_ESD_Pi0_P", "\\pi^{0} Dalitz decay (MC)", kGCnXBinsPt,kGCfirstXBinPt,kGClastXBinPt/5.,"p (GeV/c)","");
+ histograms->AddHistogram("MC_ESD_Pi0_Pt", "\\pi^{0} Dalitz decay (MC)", kGCnXBinsPt,kGCfirstXBinPt,kGClastXBinPt/5.,"p_{t} (GeV/c)","");
+ histograms->AddHistogram("MC_ESD_Pi0_Eta", "\\pi^{0} Dalitz decay (MC)", kGCnXBinsEta,kGCfirstXBinEta,kGClastXBinEta,"\\eta","");
+ histograms->AddHistogram("MC_ESD_Pi0_Y", "\\pi^{0} Dalitz decay (MC)", kGCnXBinsRapid,kGCfirstXBinRapid,kGClastXBinRapid,"y","");
+ histograms->AddHistogram("MC_ESD_Pi0_Phi", "\\pi^{0} Dalitz decay (MC)", kGCnXBinsPhi,kGCfirstXBinPhi,kGClastXBinPhi," \\phi (rad)","");
+ histograms->AddHistogram("MC_ESD_Pi0_Mass", "\\pi^{0} Dalitz decay (MC)", kGCnXBinsPi0DalitzMass, kGCfirstXBinPi0DalitzMass, kGClastXBinPi0DalitzMass,"M(e+,e-,\\gamma) (GeV/c^{2})","");
+
+ histograms->AddHistogram("MC_ESD_Pi0_Pt_vs_Y","\\pi^{0} Dalitz decay (MC)", kGCnXBinsRapid, kGCfirstXBinRapid, kGClastXBinRapid, kGCnXBinsPt,kGCfirstXBinPt,kGClastXBinPt/5.,"y","p_{t} (GeV/c)");
+ histograms->AddHistogram("MC_ESD_Pi0_Mass_vs_Pt","\\pi^{0} Dalitz decay (MC)", kGCnXBinsPt,kGCfirstXBinPt,kGClastXBinPt/5., kGCnXBinsPi0DalitzMass, kGCfirstXBinPi0DalitzMass, kGClastXBinPi0DalitzMass,"p_{t} (GeV/c)","M(e+,e-,\\gamma) (GeV/c^{2})");
+ histograms->AddHistogram("MC_ESD_Pi0_Mass_vs_Eta","\\pi^{0} Dalitz decay (MC)", kGCnXBinsEta,kGCfirstXBinEta,kGClastXBinEta, kGCnXBinsPi0DalitzMass, kGCfirstXBinPi0DalitzMass, kGClastXBinPi0DalitzMass,"\\eta","M(e+,e-,\\gamma) (GeV/c^{2})");
+ histograms->AddHistogram("MC_ESD_Pi0_Mass_vs_Y","\\pi^{0} Dalitz decay (MC)", kGCnXBinsRapid, kGCfirstXBinRapid, kGClastXBinRapid, kGCnXBinsPi0DalitzMass, kGCfirstXBinPi0DalitzMass, kGClastXBinPi0DalitzMass, "y","M(e+,e-,\\gamma) (GeV/c^{2})");
+ }
+
+ //if(kGCTrkSelectionCriteria != 1)
+ // ITS standalone
+ histograms->AddHistogram("ESD_ITSsa_dEdx_vs_P", "ITS standalone tracks", kGCnXBinsP*5, kGCfirstXBinP, kGClastXBinP/5.,kGCnYBinsdEdx, kGCfirstYBindEdx, kGClastYBindEdx,"p (GeV/c)","ITS Signal (a.u.)");
+ histograms->AddHistogram("ESD_ITSsa_PidCut_dEdx_vs_P", "ITS standalone tracks after PID", kGCnXBinsP*5, kGCfirstXBinP, kGClastXBinP/5.,kGCnYBinsdEdx, kGCfirstYBindEdx, kGClastYBindEdx,"p (GeV/c)","ITS Signal (a.u.)");
+
+ if(kGCdoMCTruth)
+ {
+ histograms->AddHistogram("MC_ESD_ITSsa_PidCut_dEdx_vs_P", "ITS standalone tracks after PID (MC)", kGCnXBinsP*5, kGCfirstXBinP, kGClastXBinP/5.,kGCnYBinsdEdx, kGCfirstYBindEdx, kGClastYBindEdx,"p (GeV/c)","ITS Signal (a.u.)");
+ histograms->AddHistogram("MC_ESD_ITSsa_Electron_dEdx_vs_P", "ITS standalone electrons", kGCnXBinsP*5, kGCfirstXBinP, kGClastXBinP/5.,kGCnYBinsdEdx, kGCfirstYBindEdx, kGClastYBindEdx,"p (GeV/c)","ITS Signal (a.u.)");
+ }
+ // TPC dEdx
+ histograms->AddHistogram("ESD_TPC_dEdx_vs_P" , "Global tracks", kGCnXBinsP*5, kGCfirstXBinP, kGClastXBinP/5.,kGCnYBinsdEdx, kGCfirstYBindEdx, kGClastYBindEdx,"p (GeV/c)","TPC Signal (a.u.)");
+ histograms->AddHistogram("ESD_TPC_PidCut_dEdx_vs_P", "Global tracks after PID", kGCnXBinsP*5, kGCfirstXBinP, kGClastXBinP/5.,kGCnYBinsdEdx, kGCfirstYBindEdx, kGClastYBindEdx,"p (GeV/c)","TPC Signal (a.u.)");
+
+ if(kGCdoMCTruth)
+ {
+ histograms->AddHistogram("MC_ESD_TPC_Electron_dEdx_vs_P" , "Electron global tracks", kGCnXBinsP*5, kGCfirstXBinP, kGClastXBinP/5.,kGCnYBinsdEdx, kGCfirstYBindEdx, kGClastYBindEdx,"p (GeV/c)","TPC Signal (a.u.)");
+ histograms->AddHistogram("MC_ESD_TPC_PidCut_dEdx_vs_P", "Global tracks after PID (MC)", kGCnXBinsP*5, kGCfirstXBinP, kGClastXBinP/5.,kGCnYBinsdEdx, kGCfirstYBindEdx, kGClastYBindEdx,"p (GeV/c)","TPC Signal (a.u.)");
+ }
+
+// psi pair
+ histograms->AddHistogram("ESD_EposEneg_PsiPair_vs_DPhi", "e+e- candidates", 2*kGCnXBinsOpeningAngle, -1*kGClastXBinOpeningAngle, kGClastXBinOpeningAngle, 2*kGCnXBinsOpeningAngle, -1*kGClastXBinOpeningAngle, kGClastXBinOpeningAngle, "\\Delta\\phi (rad)","\\psi_{pair}");
+
+ if(kGCdoMCTruth)
+ {
+ histograms->AddHistogram("MC_ESD_DalitzPair_PsiPair_vs_DPhi", "Dalitz pairs (MC)", 2*kGCnXBinsOpeningAngle, -1*kGClastXBinOpeningAngle, kGClastXBinOpeningAngle, 2*kGCnXBinsOpeningAngle, -1*kGClastXBinOpeningAngle, kGClastXBinOpeningAngle, "\\Delta\\phi (rad)","\\psi_{pair}");
+
+ histograms->AddHistogram("MC_ESD_EposEnegGamma_PsiPair_vs_DPhi", "e+e- from \\gamma conversion (MC)", 2*kGCnXBinsOpeningAngle, -1*kGClastXBinOpeningAngle, kGClastXBinOpeningAngle, 2*kGCnXBinsOpeningAngle, -1*kGClastXBinOpeningAngle, kGClastXBinOpeningAngle, "\\Delta\\phi (rad)","\\psi_{pair}");
+ }
+
+ // Tables
+ if(kGCdoMCTruth)
+ {
+ histograms->AddTable("Table_Generation","Generation",kGCnElementsPi0Table,kGCPi0Table);
+ histograms->AddTable("Table_PID","particle table (Row: PID, Col: MC)", kGCnElementsPidTable, kGCPidTable, kGCnElementsPidTable, kGCPidTable);
+ }
+ histograms->AddTable("Table_Reconstruction","Reconstruction",kGCnElementsElectronDalitzTable,kGCElectronDalitzTable);
+ histograms->AddTable("Table_Cuts","Number of \\pi^{0}->e+e-\\gamma after cuts",kGCnElementsCutsTable,kGCCutsTable);
+}
+
+
+ /*
+ // NOTE: We should use fESDpid from fV0Reader (right now it is private)
+ // Better parameters for MonteCarlo from A. Kalweit 2010/01/8
+
+
+ fESDpid->GetTPCResponse().SetBetheBlochParameters( 4.23232575531564326e+00/50.,
+ 8.68482806165147636e+00,
+ 1.34000000000000005e-05,
+ 2.30445734159456084e+00,
+ 2.25624744086878559e+00);//Trujillo
+
+
+ fESDpid->GetTPCResponse().SetBetheBlochParameters( 2.49397e+00,
+ 1.46884e+01,
+ 7.44848e-04,
+ 2.24803e+00,
+ 4.85791e+00); //AliRoot v4-18-Rev-10 //Dalitz Generation*/
+
+
+/* fESDpid->GetTPCResponse().SetBetheBlochParameters( 2.15898e+00/50.,
+ 1.75295e+01,
+ 3.40030e-09,
+ 1.96178e+00,
+ 3.91720e+00 );
+
+ //MC-CERN
+
+
+ }
+ else {
+ // Better parameters for data from A. Kalweit 2010/01/8
+ fESDpid->GetTPCResponse().SetBetheBlochParameters( 0.0283086,
+ 2.63394e+01,
+ 5.04114e-11,
+ 2.12543e+00,
+ 4.88663e+00 );
+ */
git://git.uio.no / u / mrichter / AliRoot.git / commitdiff