/************************************************************************** * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * * * * Author: Martin Wilde, Daniel Lohner * * Version 1.0 * * * * Permission to use, copy, modify and distribute this software and its * * documentation strictly for non-commercial purposes is hereby granted * * without fee, provided that the above copyright notice appears in all * * copies and that both the copyright notice and this permission notice * * appear in the supporting documentation. The authors make no claims * * about the suitability of this software for any purpose. It is * * provided "as is" without express or implied warranty. * **************************************************************************/ //////////////////////////////////////////////// //--------------------------------------------- // Class used to do analysis on conversion pairs //--------------------------------------------- /////////////////////////////////////////////// #include "TChain.h" #include "TTree.h" #include "TH1F.h" #include "TH2F.h" #include "TH3F.h" #include "THnSparse.h" #include "TCanvas.h" #include "TNtuple.h" #include "AliAnalysisTask.h" #include "AliAnalysisManager.h" #include "AliESDEvent.h" #include "AliESDInputHandler.h" #include "AliMCEventHandler.h" #include "AliMCEvent.h" #include "AliMCParticle.h" #include "AliCentrality.h" #include "AliESDVZERO.h" #include "AliESDpid.h" #include "AliAnalysisTaskGammaConvV1.h" #include "AliVParticle.h" #include "AliESDtrackCuts.h" #include "AliKFVertex.h" #include "AliV0ReaderV1.h" #include "AliGenCocktailEventHeader.h" #include "AliConversionAODBGHandlerRP.h" ClassImp(AliAnalysisTaskGammaConvV1) //________________________________________________________________________ AliAnalysisTaskGammaConvV1::AliAnalysisTaskGammaConvV1(): AliAnalysisTaskSE(), fV0Reader(NULL), fBGHandler(NULL), fBGHandlerRP(NULL), fInputEvent(NULL), fMCEvent(NULL), fMCStack(NULL), fCutFolder(NULL), fESDList(NULL), fBackList(NULL), fMotherList(NULL), fTrueList(NULL), fMCList(NULL), fHeaderNameList(NULL), fOutputContainer(0), fReaderGammas(NULL), fGoodGammas(NULL), fCutArray(NULL), fConversionCuts(NULL), fMesonCutArray(NULL), fMesonCuts(NULL), hESDConvGammaPt(NULL), hESDConvGammaR(NULL), hESDMotherInvMassPt(NULL), sESDMotherInvMassPtZM(NULL), hESDMotherBackInvMassPt(NULL), sESDMotherBackInvMassPtZM(NULL), hESDMotherInvMassEalpha(NULL), hMCAllGammaPt(NULL), hMCDecayGammaPi0Pt(NULL), hMCDecayGammaRhoPt(NULL), hMCDecayGammaEtaPt(NULL), hMCDecayGammaOmegaPt(NULL), hMCDecayGammaEtapPt(NULL), hMCDecayGammaPhiPt(NULL), hMCDecayGammaSigmaPt(NULL), hMCConvGammaPt(NULL), hMCConvGammaR(NULL), hMCConvGammaEta(NULL), hMCConvGammaRSPt(NULL), hMCConvGammaRSR(NULL), hMCConvGammaRSEta(NULL), hMCPi0Pt(NULL), hMCEtaPt(NULL), hMCPi0InAccPt(NULL), hMCEtaInAccPt(NULL), hESDTrueMotherInvMassPt(NULL), hESDTruePi0FromEtaInvMassPt(NULL), hESDTruePrimaryMotherInvMassMCPt(NULL), hESDTruePrimaryPi0ESDPtMCPt(NULL), hESDTrueSecondaryMotherInvMassPt(NULL), hESDTrueSecondaryMotherFromK0sInvMassPt(NULL), hESDTrueK0sWithPi0DaughterMCPt(NULL), hESDTrueSecondaryMotherFromEtaInvMassPt(NULL), hESDTrueEtaWithPi0DaughterMCPt(NULL), hESDTrueBckGGInvMassPt(NULL), hESDTrueBckContInvMassPt(NULL), hESDTrueMotherDalitzInvMassPt(NULL), hESDTrueConvGammaPt(NULL), hESDCombinatorialPt(NULL), hESDTruePrimaryConvGammaPt(NULL), hESDTruePrimaryConvGammaR(NULL), hESDTruePrimaryConvGammaEta(NULL), hESDTruePrimaryConvGammaESDPtMCPt(NULL), hESDTruePrimaryConvGammaRSESDPtMCPt(NULL), hESDTrueSecondaryConvGammaPt(NULL), hESDTrueSecondaryConvGammaR(NULL), hESDTrueSecondaryConvGammaFromXFromK0sPt(NULL), hESDPi0Alpha(NULL), hESDBackAlpha(NULL), hESDTruePi0Alpha(NULL), hNEvents(NULL), hNGoodESDTracks(NULL), hNV0Tracks(NULL), fRandom(0), fnGoodGammas(0), fUnsmearedPx(NULL), fUnsmearedPy(NULL), fUnsmearedPz(NULL), fUnsmearedE(NULL), fnCuts(0), fiCut(0), fNumberOfESDTracks(0), fMoveParticleAccordingToVertex(kTRUE), fIsHeavyIon(kFALSE), fDoMesonAnalysis(kTRUE), fIsFromBGEvent(kFALSE) { // default Constructor DefineInput(0, TChain::Class()); DefineOutput(1, TList::Class()); } //________________________________________________________________________ AliAnalysisTaskGammaConvV1::AliAnalysisTaskGammaConvV1(const char *name): AliAnalysisTaskSE(name), fV0Reader(NULL), fBGHandler(NULL), fBGHandlerRP(NULL), fInputEvent(NULL), fMCEvent(NULL), fMCStack(NULL), fCutFolder(NULL), fESDList(NULL), fBackList(NULL), fMotherList(NULL), fTrueList(NULL), fMCList(NULL), fHeaderNameList(NULL), fOutputContainer(0), fReaderGammas(NULL), fGoodGammas(NULL), fCutArray(NULL), fConversionCuts(NULL), fMesonCutArray(NULL), fMesonCuts(NULL), hESDConvGammaPt(NULL), hESDConvGammaR(NULL), hESDMotherInvMassPt(NULL), sESDMotherInvMassPtZM(NULL), hESDMotherBackInvMassPt(NULL), sESDMotherBackInvMassPtZM(NULL), hESDMotherInvMassEalpha(NULL), hMCAllGammaPt(NULL), hMCDecayGammaPi0Pt(NULL), hMCDecayGammaRhoPt(NULL), hMCDecayGammaEtaPt(NULL), hMCDecayGammaOmegaPt(NULL), hMCDecayGammaEtapPt(NULL), hMCDecayGammaPhiPt(NULL), hMCDecayGammaSigmaPt(NULL), hMCConvGammaPt(NULL), hMCConvGammaR(NULL), hMCConvGammaEta(NULL), hMCConvGammaRSPt(NULL), hMCConvGammaRSR(NULL), hMCConvGammaRSEta(NULL), hMCPi0Pt(NULL), hMCEtaPt(NULL), hMCPi0InAccPt(NULL), hMCEtaInAccPt(NULL), hESDTrueMotherInvMassPt(NULL), hESDTruePi0FromEtaInvMassPt(NULL), hESDTruePrimaryMotherInvMassMCPt(NULL), hESDTruePrimaryPi0ESDPtMCPt(NULL), hESDTrueSecondaryMotherInvMassPt(NULL), hESDTrueSecondaryMotherFromK0sInvMassPt(NULL), hESDTrueK0sWithPi0DaughterMCPt(NULL), hESDTrueSecondaryMotherFromEtaInvMassPt(NULL), hESDTrueEtaWithPi0DaughterMCPt(NULL), hESDTrueBckGGInvMassPt(NULL), hESDTrueBckContInvMassPt(NULL), hESDTrueMotherDalitzInvMassPt(NULL), hESDTrueConvGammaPt(NULL), hESDCombinatorialPt(NULL), hESDTruePrimaryConvGammaPt(NULL), hESDTruePrimaryConvGammaR(NULL), hESDTruePrimaryConvGammaEta(NULL), hESDTruePrimaryConvGammaESDPtMCPt(NULL), hESDTruePrimaryConvGammaRSESDPtMCPt(NULL), hESDTrueSecondaryConvGammaPt(NULL), hESDTrueSecondaryConvGammaR(NULL), hESDTrueSecondaryConvGammaFromXFromK0sPt(NULL), hESDPi0Alpha(NULL), hESDBackAlpha(NULL), hESDTruePi0Alpha(NULL), hNEvents(NULL), hNGoodESDTracks(NULL), hNV0Tracks(NULL), fRandom(0), fnGoodGammas(0), fUnsmearedPx(NULL), fUnsmearedPy(NULL), fUnsmearedPz(NULL), fUnsmearedE(NULL), fnCuts(0), fiCut(0), fNumberOfESDTracks(0), fMoveParticleAccordingToVertex(kTRUE), fIsHeavyIon(kFALSE), fDoMesonAnalysis(kTRUE), fIsFromBGEvent(kFALSE) { // Define input and output slots here DefineInput(0, TChain::Class()); DefineOutput(1, TList::Class()); } AliAnalysisTaskGammaConvV1::~AliAnalysisTaskGammaConvV1() { if(fGoodGammas){ delete fGoodGammas; fGoodGammas = 0x0; } if(fBGHandler){ delete[] fBGHandler; fBGHandler = 0x0; } if(fBGHandlerRP){ delete[] fBGHandlerRP; fBGHandlerRP = 0x0; } } //___________________________________________________________ void AliAnalysisTaskGammaConvV1::InitBack(){ Double_t *zBinLimitsArray = new Double_t[9]; zBinLimitsArray[0] = -50.00; zBinLimitsArray[1] = -3.375; zBinLimitsArray[2] = -1.605; zBinLimitsArray[3] = -0.225; zBinLimitsArray[4] = 1.065; zBinLimitsArray[5] = 2.445; zBinLimitsArray[6] = 4.245; zBinLimitsArray[7] = 50.00; zBinLimitsArray[8] = 1000.00; Double_t *multiplicityBinLimitsArrayTracks = new Double_t[6]; multiplicityBinLimitsArrayTracks[0] = 0; multiplicityBinLimitsArrayTracks[1] = 8.5; multiplicityBinLimitsArrayTracks[2] = 16.5; multiplicityBinLimitsArrayTracks[3] = 27.5; multiplicityBinLimitsArrayTracks[4] = 41.5; multiplicityBinLimitsArrayTracks[5] = 200.; if(fIsHeavyIon){ multiplicityBinLimitsArrayTracks[0] = 0; multiplicityBinLimitsArrayTracks[1] = 200.; multiplicityBinLimitsArrayTracks[2] = 500.; multiplicityBinLimitsArrayTracks[3] = 1000.; multiplicityBinLimitsArrayTracks[4] = 1500.; multiplicityBinLimitsArrayTracks[5] = 5000.; } Double_t *multiplicityBinLimitsArrayV0s = new Double_t[5]; multiplicityBinLimitsArrayV0s[0] = 2; multiplicityBinLimitsArrayV0s[1] = 3; multiplicityBinLimitsArrayV0s[2] = 4; multiplicityBinLimitsArrayV0s[3] = 5; multiplicityBinLimitsArrayV0s[4] = 9999; if(fIsHeavyIon){ multiplicityBinLimitsArrayV0s[0] = 2; multiplicityBinLimitsArrayV0s[1] = 10; multiplicityBinLimitsArrayV0s[2] = 30; multiplicityBinLimitsArrayV0s[3] = 50; multiplicityBinLimitsArrayV0s[4] = 9999; } const Int_t nDim = 4; Int_t nBins[nDim] = {800,250,8,5}; Double_t xMin[nDim] = {0,0, 0,0}; Double_t xMax[nDim] = {0.8,25,8,5}; sESDMotherInvMassPtZM = new THnSparseF*[fnCuts]; sESDMotherBackInvMassPtZM = new THnSparseF*[fnCuts]; fBGHandler = new AliGammaConversionAODBGHandler*[fnCuts]; fBGHandlerRP = new AliConversionAODBGHandlerRP*[fnCuts]; for(Int_t iCut = 0; iCutAt(iCut))->DoBGCalculation()){ TString cutstring = ((AliConversionCuts*)fCutArray->At(iCut))->GetCutNumber(); TString cutstringMeson = ((AliConversionMesonCuts*)fMesonCutArray->At(iCut))->GetCutNumber(); fBackList[iCut] = new TList(); fBackList[iCut]->SetName(Form("%s_%s Back histograms",cutstring.Data(),cutstringMeson.Data())); fBackList[iCut]->SetOwner(kTRUE); fCutFolder[iCut]->Add(fBackList[iCut]); sESDMotherBackInvMassPtZM[iCut] = new THnSparseF("Back_Back_InvMass_Pt_z_m","Back_Back_InvMass_Pt_z_m",nDim,nBins,xMin,xMax); sESDMotherBackInvMassPtZM[iCut]->Sumw2(); fBackList[iCut]->Add(sESDMotherBackInvMassPtZM[iCut]); fMotherList[iCut] = new TList(); fMotherList[iCut]->SetName(Form("%s_%s Mother histograms",cutstring.Data(),cutstringMeson.Data())); fMotherList[iCut]->SetOwner(kTRUE); fCutFolder[iCut]->Add(fMotherList[iCut]); sESDMotherInvMassPtZM[iCut] = new THnSparseF("Back_Mother_InvMass_Pt_z_m","Back_Mother_InvMass_Pt_z_m",nDim,nBins,xMin,xMax); sESDMotherInvMassPtZM[iCut]->Sumw2(); fMotherList[iCut]->Add(sESDMotherInvMassPtZM[iCut]); if(((AliConversionMesonCuts*)fMesonCutArray->At(iCut))->BackgroundHandlerType() == 0){ if(((AliConversionMesonCuts*)fMesonCutArray->At(iCut))->UseTrackMultiplicity()){ fBGHandler[iCut] = new AliGammaConversionAODBGHandler(9,6,((AliConversionMesonCuts*)fMesonCutArray->At(iCut))->GetNumberOfBGEvents()); fBGHandler[iCut]->Initialize(zBinLimitsArray, multiplicityBinLimitsArrayTracks); fBGHandlerRP[iCut] = NULL; } else{ fBGHandler[iCut] = new AliGammaConversionAODBGHandler(9,5,((AliConversionMesonCuts*)fMesonCutArray->At(iCut))->GetNumberOfBGEvents()); fBGHandler[iCut]->Initialize(zBinLimitsArray, multiplicityBinLimitsArrayV0s); fBGHandlerRP[iCut] = NULL; } } else{ fBGHandlerRP[iCut] = new AliConversionAODBGHandlerRP( ((AliConversionCuts*)fCutArray->At(fiCut))->IsHeavyIon(), ((AliConversionMesonCuts*)fMesonCutArray->At(fiCut))->UseTrackMultiplicity(), ((AliConversionMesonCuts*)fMesonCutArray->At(iCut))->GetNumberOfBGEvents()); fBGHandler[iCut] = NULL; } } } } //________________________________________________________________________ void AliAnalysisTaskGammaConvV1::UserCreateOutputObjects() { // Create histograms if(fOutputContainer != NULL){ delete fOutputContainer; fOutputContainer = NULL; } if(fOutputContainer == NULL){ fOutputContainer = new TList(); fOutputContainer->SetOwner(kTRUE); } // Array of current cut's gammas fGoodGammas = new TList(); fCutFolder = new TList*[fnCuts]; fESDList = new TList*[fnCuts]; fBackList = new TList*[fnCuts]; fMotherList = new TList*[fnCuts]; hESDConvGammaPt = new TH1F*[fnCuts]; hESDConvGammaR = new TH1F*[fnCuts]; hNEvents = new TH1I*[fnCuts]; hNGoodESDTracks = new TH1I*[fnCuts]; hNV0Tracks = new TH1I*[fnCuts]; if(fDoMesonAnalysis){ hESDMotherInvMassPt = new TH2F*[fnCuts]; hESDMotherBackInvMassPt = new TH2F*[fnCuts]; hESDMotherInvMassEalpha = new TH2F*[fnCuts]; hESDPi0Alpha = new TH1F*[fnCuts]; hESDBackAlpha = new TH1F*[fnCuts]; } for(Int_t iCut = 0; iCutAt(iCut))->GetCutNumber(); TString cutstringMeson = ((AliConversionMesonCuts*)fMesonCutArray->At(iCut))->GetCutNumber(); fCutFolder[iCut] = new TList(); fCutFolder[iCut]->SetName(Form("Cut Number %s_%s",cutstring.Data(),cutstringMeson.Data())); fCutFolder[iCut]->SetOwner(kTRUE); fOutputContainer->Add(fCutFolder[iCut]); fESDList[iCut] = new TList(); fESDList[iCut]->SetName(Form("%s_%s ESD histograms",cutstring.Data(),cutstringMeson.Data())); fESDList[iCut]->SetOwner(kTRUE); hNEvents[iCut] = new TH1I("NEvents","NEvents",9,-0.5,8.5); hNEvents[iCut]->GetXaxis()->SetBinLabel(1,"Accepted"); hNEvents[iCut]->GetXaxis()->SetBinLabel(2,"Centrality"); hNEvents[iCut]->GetXaxis()->SetBinLabel(3,"Missing MC"); hNEvents[iCut]->GetXaxis()->SetBinLabel(4,"Trigger"); hNEvents[iCut]->GetXaxis()->SetBinLabel(5,"Vertex Z"); hNEvents[iCut]->GetXaxis()->SetBinLabel(6,"Cont. Vertex"); hNEvents[iCut]->GetXaxis()->SetBinLabel(7,"Pile-Up"); hNEvents[iCut]->GetXaxis()->SetBinLabel(8,"no SDD"); hNEvents[iCut]->GetXaxis()->SetBinLabel(9,"no V0AND"); fESDList[iCut]->Add(hNEvents[iCut]); if(fIsHeavyIon) hNGoodESDTracks[iCut] = new TH1I("GoodESDTracks","GoodESDTracks",3000,0,3000); else hNGoodESDTracks[iCut] = new TH1I("GoodESDTracks","GoodESDTracks",200,0,200); fESDList[iCut]->Add(hNGoodESDTracks[iCut]); if(fIsHeavyIon) hNV0Tracks[iCut] = new TH1I("V0 Multiplicity","V0 Multiplicity",30000,0,30000); else hNV0Tracks[iCut] = new TH1I("V0 Multiplicity","V0 Multiplicity",2000,0,2000); fESDList[iCut]->Add(hNV0Tracks[iCut]); hESDConvGammaPt[iCut] = new TH1F("ESD_ConvGamma_Pt","ESD_ConvGamma_Pt",250,0,25); fESDList[iCut]->Add(hESDConvGammaPt[iCut]); hESDConvGammaR[iCut] = new TH1F("ESD_ConvGamma_R","ESD_ConvGamma_R",800,0,200); fESDList[iCut]->Add(hESDConvGammaR[iCut]); if(fDoMesonAnalysis){ hESDMotherInvMassPt[iCut] = new TH2F("ESD_Mother_InvMass_Pt","ESD_Mother_InvMass_Pt",800,0,0.8,250,0,25); fESDList[iCut]->Add(hESDMotherInvMassPt[iCut]); hESDMotherBackInvMassPt[iCut] = new TH2F("ESD_Background_InvMass_Pt","ESD_Background_InvMass_Pt",800,0,0.8,250,0,25); fESDList[iCut]->Add(hESDMotherBackInvMassPt[iCut]); hESDMotherInvMassEalpha[iCut] = new TH2F("ESD_Mother_InvMass_vs_E_alpha","ESD_Mother_InvMass_vs_E_alpha",800,0,0.8,250,0,25); fESDList[iCut]->Add(hESDMotherInvMassEalpha[iCut]); hESDPi0Alpha[iCut] = new TH1F("ESD_Mother_Alpha_inPi0MassRange","ESD_Mother_Alpha_inPi0MassRange",100,0,1); fESDList[iCut]->Add(hESDPi0Alpha[iCut]); hESDBackAlpha[iCut] = new TH1F("ESD_Back_Alpha_inPi0MassRange","ESD_Back_Alpha_inPi0MassRange",100,0,1); fESDList[iCut]->Add(hESDBackAlpha[iCut]); } fCutFolder[iCut]->Add(fESDList[iCut]); } if(fDoMesonAnalysis){ InitBack(); // Init Background Handler } if(MCEvent()){ // MC Histogramms fMCList = new TList*[fnCuts]; // True Histogramms fTrueList = new TList*[fnCuts]; // Selected Header List fHeaderNameList = new TList*[fnCuts]; hMCAllGammaPt = new TH1F*[fnCuts]; hMCDecayGammaPi0Pt = new TH1F*[fnCuts]; hMCDecayGammaRhoPt = new TH1F*[fnCuts]; hMCDecayGammaEtaPt = new TH1F*[fnCuts]; hMCDecayGammaOmegaPt = new TH1F*[fnCuts]; hMCDecayGammaEtapPt = new TH1F*[fnCuts]; hMCDecayGammaPhiPt = new TH1F*[fnCuts]; hMCDecayGammaSigmaPt = new TH1F*[fnCuts]; hMCConvGammaPt = new TH1F*[fnCuts]; hMCConvGammaR = new TH1F*[fnCuts]; hMCConvGammaEta = new TH1F*[fnCuts]; hMCConvGammaRSPt = new TH1F*[fnCuts]; hMCConvGammaRSR = new TH1F*[fnCuts]; hMCConvGammaRSEta = new TH1F*[fnCuts]; hESDTrueConvGammaPt = new TH1F*[fnCuts]; hESDCombinatorialPt = new TH2F*[fnCuts]; hESDTruePrimaryConvGammaPt = new TH1F*[fnCuts]; hESDTruePrimaryConvGammaR = new TH1F*[fnCuts]; hESDTruePrimaryConvGammaEta = new TH1F*[fnCuts]; hESDTruePrimaryConvGammaESDPtMCPt = new TH2F*[fnCuts]; hESDTruePrimaryConvGammaRSESDPtMCPt = new TH2F*[fnCuts]; hESDTrueSecondaryConvGammaPt = new TH1F*[fnCuts]; hESDTrueSecondaryConvGammaR = new TH1F*[fnCuts]; hESDTrueSecondaryConvGammaFromXFromK0sPt = new TH1F*[fnCuts]; if(fDoMesonAnalysis){ hMCPi0Pt = new TH1F*[fnCuts]; hMCEtaPt = new TH1F*[fnCuts]; hMCPi0InAccPt = new TH1F*[fnCuts]; hMCEtaInAccPt = new TH1F*[fnCuts]; hESDTruePi0Alpha = new TH1F*[fnCuts]; hESDTrueMotherInvMassPt = new TH2F*[fnCuts]; hESDTruePrimaryPi0ESDPtMCPt = new TH2F*[fnCuts]; hESDTruePrimaryMotherInvMassMCPt = new TH2F*[fnCuts]; hESDTrueSecondaryMotherInvMassPt = new TH2F*[fnCuts]; hESDTrueSecondaryMotherFromK0sInvMassPt = new TH2F*[fnCuts]; hESDTrueK0sWithPi0DaughterMCPt = new TH1F*[fnCuts]; hESDTrueSecondaryMotherFromEtaInvMassPt = new TH2F*[fnCuts]; hESDTrueEtaWithPi0DaughterMCPt = new TH1F*[fnCuts]; hESDTrueBckGGInvMassPt = new TH2F*[fnCuts]; hESDTrueBckContInvMassPt = new TH2F*[fnCuts]; hESDTrueMotherDalitzInvMassPt = new TH2F*[fnCuts]; } for(Int_t iCut = 0; iCutAt(iCut))->GetCutNumber(); TString cutstringMeson = ((AliConversionMesonCuts*)fMesonCutArray->At(iCut))->GetCutNumber(); fMCList[iCut] = new TList(); fMCList[iCut]->SetName(Form("%s_%s MC histograms",cutstring.Data(),cutstringMeson.Data())); fMCList[iCut]->SetOwner(kTRUE); fCutFolder[iCut]->Add(fMCList[iCut]); hMCAllGammaPt[iCut] = new TH1F("MC_AllGamma_Pt","MC_AllGamma_Pt",250,0,25); fMCList[iCut]->Add(hMCAllGammaPt[iCut]); hMCDecayGammaPi0Pt[iCut] = new TH1F("MC_DecayGammaPi0_Pt","MC_DecayGammaPi0_Pt",250,0,25); fMCList[iCut]->Add(hMCDecayGammaPi0Pt[iCut]); hMCDecayGammaRhoPt[iCut] = new TH1F("MC_DecayGammaRho_Pt","MC_DecayGammaRho_Pt",250,0,25); fMCList[iCut]->Add(hMCDecayGammaRhoPt[iCut]); hMCDecayGammaEtaPt[iCut] = new TH1F("MC_DecayGammaEta_Pt","MC_DecayGammaEta_Pt",250,0,25); fMCList[iCut]->Add(hMCDecayGammaEtaPt[iCut]); hMCDecayGammaOmegaPt[iCut] = new TH1F("MC_DecayGammaOmega_Pt","MC_DecayGammaOmmega_Pt",250,0,25); fMCList[iCut]->Add(hMCDecayGammaOmegaPt[iCut]); hMCDecayGammaEtapPt[iCut] = new TH1F("MC_DecayGammaEtap_Pt","MC_DecayGammaEtap_Pt",250,0,25); fMCList[iCut]->Add(hMCDecayGammaEtapPt[iCut]); hMCDecayGammaPhiPt[iCut] = new TH1F("MC_DecayGammaPhi_Pt","MC_DecayGammaPhi_Pt",250,0,25); fMCList[iCut]->Add(hMCDecayGammaPhiPt[iCut]); hMCDecayGammaSigmaPt[iCut] = new TH1F("MC_DecayGammaSigma_Pt","MC_DecayGammaSigma_Pt",250,0,25); fMCList[iCut]->Add(hMCDecayGammaSigmaPt[iCut]); hMCConvGammaPt[iCut] = new TH1F("MC_ConvGamma_Pt","MC_ConvGamma_Pt",250,0,25); fMCList[iCut]->Add(hMCConvGammaPt[iCut]); hMCConvGammaR[iCut] = new TH1F("MC_ConvGamma_R","MC_ConvGamma_R",800,0,200); fMCList[iCut]->Add(hMCConvGammaR[iCut]); hMCConvGammaEta[iCut] = new TH1F("MC_ConvGamma_Eta","MC_ConvGamma_Eta",100,-4,4); fMCList[iCut]->Add(hMCConvGammaEta[iCut]); hMCConvGammaRSPt[iCut] = new TH1F("MC_ConvGamma_RS_Pt","MC_ConvGamma_RS_Pt",250,0,25); fMCList[iCut]->Add(hMCConvGammaRSPt[iCut]); hMCConvGammaRSR[iCut] = new TH1F("MC_ConvGamma_RS_R","MC_ConvGamma_RS_R",800,0,200); fMCList[iCut]->Add(hMCConvGammaRSR[iCut]); hMCConvGammaRSEta[iCut] = new TH1F("MC_ConvGamma_RS_Eta","MC_ConvGamma_RS_Eta",100,-4,4); fMCList[iCut]->Add(hMCConvGammaRSEta[iCut]); if(fDoMesonAnalysis){ hMCPi0Pt[iCut] = new TH1F("MC_Pi0_Pt","MC_Pi0_Pt",250,0,25); fMCList[iCut]->Add(hMCPi0Pt[iCut]); hMCEtaPt[iCut] = new TH1F("MC_Eta_Pt","MC_Eta_Pt",250,0,25); fMCList[iCut]->Add(hMCEtaPt[iCut]); hMCPi0InAccPt[iCut] = new TH1F("MC_Pi0InAcc_Pt","MC_Pi0InAcc_Pt",250,0,25); fMCList[iCut]->Add(hMCPi0InAccPt[iCut]); hMCEtaInAccPt[iCut] = new TH1F("MC_EtaInAcc_Pt","MC_EtaInAcc_Pt",250,0,25); fMCList[iCut]->Add(hMCEtaInAccPt[iCut]); } fTrueList[iCut] = new TList(); fTrueList[iCut]->SetName(Form("%s_%s True histograms",cutstring.Data(),cutstringMeson.Data())); fTrueList[iCut]->SetOwner(kTRUE); fCutFolder[iCut]->Add(fTrueList[iCut]); hESDTrueConvGammaPt[iCut] = new TH1F("ESD_TrueConvGamma_Pt","ESD_TrueConvGamma_Pt",250,0,25); fTrueList[iCut]->Add(hESDTrueConvGammaPt[iCut]); hESDCombinatorialPt[iCut] = new TH2F("ESD_TrueCombinatorial_Pt","ESD_TrueCombinatorial_Pt",250,0,25,16,-0.5,15.5); hESDCombinatorialPt[iCut]->GetYaxis()->SetBinLabel( 1,"Elec+Elec"); hESDCombinatorialPt[iCut]->GetYaxis()->SetBinLabel( 2,"Elec+Pion"); hESDCombinatorialPt[iCut]->GetYaxis()->SetBinLabel( 3,"Elec+Kaon"); hESDCombinatorialPt[iCut]->GetYaxis()->SetBinLabel( 4,"Elec+Proton"); hESDCombinatorialPt[iCut]->GetYaxis()->SetBinLabel( 5,"Elec+Muon"); hESDCombinatorialPt[iCut]->GetYaxis()->SetBinLabel( 6,"Pion+Pion"); hESDCombinatorialPt[iCut]->GetYaxis()->SetBinLabel( 7,"Pion+Kaon"); hESDCombinatorialPt[iCut]->GetYaxis()->SetBinLabel( 8,"Pion+Proton"); hESDCombinatorialPt[iCut]->GetYaxis()->SetBinLabel( 9,"Pion+Muon"); hESDCombinatorialPt[iCut]->GetYaxis()->SetBinLabel(10,"Kaon+Kaon"); hESDCombinatorialPt[iCut]->GetYaxis()->SetBinLabel(11,"Kaon+Proton"); hESDCombinatorialPt[iCut]->GetYaxis()->SetBinLabel(12,"Kaon+Muon"); hESDCombinatorialPt[iCut]->GetYaxis()->SetBinLabel(13,"Proton+Proton"); hESDCombinatorialPt[iCut]->GetYaxis()->SetBinLabel(14,"Proton+Muon"); hESDCombinatorialPt[iCut]->GetYaxis()->SetBinLabel(15,"Muon+Muon"); hESDCombinatorialPt[iCut]->GetYaxis()->SetBinLabel(16,"Rest"); fTrueList[iCut]->Add(hESDCombinatorialPt[iCut]); hESDTruePrimaryConvGammaPt[iCut] = new TH1F("ESD_TruePrimaryConvGamma_Pt","ESD_TruePrimaryConvGamma_Pt",250,0,25); fTrueList[iCut]->Add(hESDTruePrimaryConvGammaPt[iCut]); hESDTruePrimaryConvGammaR[iCut] = new TH1F("ESD_TruePrimaryConvGamma_R","ESD_TruePrimaryConvGamma_R",800,0,200); fTrueList[iCut]->Add(hESDTruePrimaryConvGammaR[iCut]); hESDTruePrimaryConvGammaEta[iCut] = new TH1F("ESD_TruePrimaryConvGamma_Eta","ESD_TruePrimaryConvGamma_Eta",100,-4,4); fTrueList[iCut]->Add(hESDTruePrimaryConvGammaEta[iCut]); hESDTrueSecondaryConvGammaPt[iCut] = new TH1F("ESD_TrueSecondaryConvGamma_Pt","ESD_TrueSecondaryConvGamma_Pt",250,0,25); fTrueList[iCut]->Add(hESDTrueSecondaryConvGammaPt[iCut]); hESDTrueSecondaryConvGammaR[iCut] = new TH1F("ESD_TrueSecondaryConvGamma_R","ESD_TrueSecondaryConvGamma_R",800,0,200); fTrueList[iCut]->Add(hESDTrueSecondaryConvGammaR[iCut]); hESDTrueSecondaryConvGammaFromXFromK0sPt[iCut] = new TH1F("ESD_TrueSecondaryConvGammaFromXFromK0s_Pt", "ESD_TrueSecondaryConvGammaFromXFromK0s_Pt",250,0,25); fTrueList[iCut]->Add(hESDTrueSecondaryConvGammaFromXFromK0sPt[iCut]); hESDTruePrimaryConvGammaESDPtMCPt[iCut] = new TH2F("ESD_TruePrimaryConvGammaESD_PtMCPt", "ESD_TruePrimaryConvGammaESD_PtMCPt",250,0,25,250,0,25); fTrueList[iCut]->Add(hESDTruePrimaryConvGammaESDPtMCPt[iCut]); hESDTruePrimaryConvGammaRSESDPtMCPt[iCut] = new TH2F("ESD_TruePrimaryConvGammaESD_RS_PtMCPt", "ESD_TruePrimaryConvGammaESD_RS_PtMCPt",250,0,25,250,0,25); fTrueList[iCut]->Add(hESDTruePrimaryConvGammaRSESDPtMCPt[iCut]); if(fDoMesonAnalysis){ hESDTrueMotherInvMassPt[iCut] = new TH2F("ESD_TrueMother_InvMass_Pt","ESD_TrueMother_InvMass_Pt",800,0,0.8,250,0,25); fTrueList[iCut]->Add(hESDTrueMotherInvMassPt[iCut]); hESDTruePrimaryPi0ESDPtMCPt[iCut] = new TH2F("ESD_TruePrimaryPi0_ESDPt_MCPt","ESD_TruePrimaryPi0_ESDPt_MCPt",250,0,25,250,0,25); fTrueList[iCut]->Add(hESDTruePrimaryPi0ESDPtMCPt[iCut]); hESDTruePrimaryMotherInvMassMCPt[iCut] = new TH2F("ESD_TruePrimaryMother_InvMass_MCPt", "ESD_TruePrimaryMother_InvMass_MCPt", 800,0,0.8,250,0,25); fTrueList[iCut]->Add(hESDTruePrimaryMotherInvMassMCPt[iCut]); hESDTrueSecondaryMotherInvMassPt[iCut] = new TH2F("ESD_TrueSecondaryMother_InvMass_Pt", "ESD_TrueSecondaryMother_InvMass_Pt", 800,0,0.8,250,0,25); fTrueList[iCut]->Add(hESDTrueSecondaryMotherInvMassPt[iCut]); hESDTrueSecondaryMotherFromK0sInvMassPt[iCut] = new TH2F("ESD_TrueSecondaryMotherFromK0s_InvMass_Pt","ESD_TrueSecondaryMotherFromK0s_InvMass_Pt",800,0,0.8,250,0,25); fTrueList[iCut]->Add(hESDTrueSecondaryMotherFromK0sInvMassPt[iCut]); hESDTrueK0sWithPi0DaughterMCPt[iCut] = new TH1F("ESD_TrueK0sWithPi0Daughter_MCPt","ESD_TrueK0sWithPi0Daughter_MCPt",250,0,25); fTrueList[iCut]->Add(hESDTrueK0sWithPi0DaughterMCPt[iCut]); hESDTrueSecondaryMotherFromEtaInvMassPt[iCut] = new TH2F("ESD_TrueSecondaryMotherFromEta_InvMass_Pt","ESD_TrueSecondaryMotherFromEta_InvMass_Pt",800,0,0.8,250,0,25); fTrueList[iCut]->Add(hESDTrueSecondaryMotherFromEtaInvMassPt[iCut]); hESDTrueEtaWithPi0DaughterMCPt[iCut] = new TH1F("ESD_TrueEtaWithPi0Daughter_MCPt","ESD_TrueEtaWithPi0Daughter_MCPt",250,0,25); fTrueList[iCut]->Add(hESDTrueEtaWithPi0DaughterMCPt[iCut]); hESDTrueBckGGInvMassPt[iCut] = new TH2F("ESD_TrueBckGG_InvMass_Pt","ESD_TrueBckGG_InvMass_Pt",800,0,0.8,250,0,25); fTrueList[iCut]->Add(hESDTrueBckGGInvMassPt[iCut]); hESDTrueBckContInvMassPt[iCut] = new TH2F("ESD_TrueBckCont_InvMass_Pt","ESD_TrueBckCont_InvMass_Pt",800,0,0.8,250,0,25); fTrueList[iCut]->Add(hESDTrueBckContInvMassPt[iCut]); hESDTrueMotherDalitzInvMassPt[iCut] = new TH2F("ESD_TrueDalitz_InvMass_Pt","ESD_TrueDalitz_InvMass_Pt",800,0,0.8,250,0,25); fTrueList[iCut]->Add(hESDTrueMotherDalitzInvMassPt[iCut]); hESDTruePi0Alpha[iCut] = new TH1F("ESD_TruePi0_Alpha","ESD_TruePi0_Alpha",100,0,1); fTrueList[iCut]->Add(hESDTruePi0Alpha[iCut]); } } } PostData(1, fOutputContainer); } //_____________________________________________________________________________ void AliAnalysisTaskGammaConvV1::UserExec(Option_t *) { // // Called for each event // fV0Reader=(AliV0ReaderV1*)AliAnalysisManager::GetAnalysisManager()->GetTask("V0ReaderV1"); if(!fV0Reader){printf("Error: No V0 Reader");return;} // GetV0Reader Int_t eventQuality = ((AliConversionCuts*)fV0Reader->GetConversionCuts())->GetEventQuality(); if(eventQuality == 2 || eventQuality == 3){// Event Not Accepted due to MC event missing or wrong trigger for V0ReaderV1 for(Int_t iCut = 0; iCutFill(eventQuality); } return; } fMCEvent = MCEvent(); if(fMCEvent){ fMCStack = fMCEvent->Stack(); } fInputEvent = InputEvent(); fReaderGammas = fV0Reader->GetReconstructedGammas(); // Gammas from default Cut CountESDTracks(); // Estimate Event Multiplicity // ------------------- BeginEvent ---------------------------- for(Int_t iCut = 0; iCutAt(iCut)) ->IsEventAcceptedByConversionCut(fV0Reader->GetConversionCuts(),fInputEvent,fMCEvent,fIsHeavyIon); if(eventNotAccepted){ // cout << "event rejected due to wrong trigger: " <Fill(eventNotAccepted); // Check Centrality, PileUp, SDD and V0AND --> Not Accepted => eventQuality = 1 continue; } if(eventQuality != 0){// Event Not Accepted // cout << "event rejected due to: " <Fill(eventQuality); continue; } hNEvents[iCut]->Fill(eventQuality); // Should be 0 here hNGoodESDTracks[iCut]->Fill(fNumberOfESDTracks); hNV0Tracks[iCut]->Fill(fInputEvent->GetVZEROData()->GetMTotV0A()+fInputEvent->GetVZEROData()->GetMTotV0C()); if(fMCEvent){ // Process MC Particle if(((AliConversionCuts*)fCutArray->At(iCut))->GetSignalRejection() != 0){ ((AliConversionCuts*)fCutArray->At(iCut))->GetNotRejectedParticles(((AliConversionCuts*)fCutArray->At(iCut))->GetSignalRejection(), ((AliConversionCuts*)fCutArray->At(iCut))->GetAcceptedHeader(), fMCEvent); } ProcessMCParticles(); } ProcessPhotonCandidates(); // Process this cuts gammas if(fDoMesonAnalysis){ // Meson Analysis if(((AliConversionMesonCuts*)fMesonCutArray->At(iCut))->UseMCPSmearing() && fMCEvent){ fUnsmearedPx = new Double_t[fGoodGammas->GetEntries()]; // Store unsmeared Momenta fUnsmearedPy = new Double_t[fGoodGammas->GetEntries()]; fUnsmearedPz = new Double_t[fGoodGammas->GetEntries()]; fUnsmearedE = new Double_t[fGoodGammas->GetEntries()]; for(Int_t gamma=0;gammaGetEntries();gamma++){ // Smear the AODPhotons in MC fUnsmearedPx[gamma] = ((AliAODConversionPhoton*)fGoodGammas->At(gamma))->Px(); fUnsmearedPy[gamma] = ((AliAODConversionPhoton*)fGoodGammas->At(gamma))->Py(); fUnsmearedPz[gamma] = ((AliAODConversionPhoton*)fGoodGammas->At(gamma))->Pz(); fUnsmearedE[gamma] = ((AliAODConversionPhoton*)fGoodGammas->At(gamma))->E(); ((AliConversionMesonCuts*)fMesonCutArray->At(iCut))->SmearParticle(dynamic_cast(fGoodGammas->At(gamma))); } } CalculatePi0Candidates(); // Combine Gammas if(((AliConversionMesonCuts*)fMesonCutArray->At(iCut))->DoBGCalculation()){ if(((AliConversionMesonCuts*)fMesonCutArray->At(iCut))->BackgroundHandlerType() == 0){ CalculateBackground(); // Combinatorial Background UpdateEventByEventData(); // Store Event for mixed Events } else{ CalculateBackgroundRP(); // Combinatorial Background fBGHandlerRP[iCut]->AddEvent(fGoodGammas,fInputEvent); // Store Event for mixed Events } } if(((AliConversionMesonCuts*)fMesonCutArray->At(iCut))->UseMCPSmearing() && fMCEvent){ for(Int_t gamma=0;gammaGetEntries();gamma++){ // Smear the AODPhotons in MC ((AliAODConversionPhoton*)fGoodGammas->At(gamma))->SetPx(fUnsmearedPx[gamma]); // Reset Unsmeared Momenta ((AliAODConversionPhoton*)fGoodGammas->At(gamma))->SetPy(fUnsmearedPy[gamma]); ((AliAODConversionPhoton*)fGoodGammas->At(gamma))->SetPz(fUnsmearedPz[gamma]); ((AliAODConversionPhoton*)fGoodGammas->At(gamma))->SetE(fUnsmearedE[gamma]); } delete[] fUnsmearedPx; fUnsmearedPx = 0x0; delete[] fUnsmearedPy; fUnsmearedPy = 0x0; delete[] fUnsmearedPz; fUnsmearedPz = 0x0; delete[] fUnsmearedE; fUnsmearedE = 0x0; } } fGoodGammas->Clear(); // delete this cuts good gammas } PostData(1, fOutputContainer); } //________________________________________________________________________ void AliAnalysisTaskGammaConvV1::ProcessPhotonCandidates() { Int_t nV0 = 0; TList *GoodGammasStepOne = new TList(); TList *GoodGammasStepTwo = new TList(); // Loop over Photon Candidates allocated by ReaderV1 for(Int_t i = 0; i < fReaderGammas->GetEntriesFast(); i++){ AliAODConversionPhoton* PhotonCandidate = (AliAODConversionPhoton*) fReaderGammas->At(i); if(!PhotonCandidate) continue; fIsFromBGEvent = kFALSE; if(fMCEvent && ((AliConversionCuts*)fCutArray->At(fiCut))->GetSignalRejection() != 0){ if(!((AliConversionCuts*)fCutArray->At(fiCut))->IsParticleFromBGEvent(PhotonCandidate->GetMCLabelPositive(), fMCStack)){ if(((AliConversionCuts*)fCutArray->At(fiCut))->GetSignalRejection() != 3) continue; fIsFromBGEvent = kTRUE; } if(!((AliConversionCuts*)fCutArray->At(fiCut))->IsParticleFromBGEvent(PhotonCandidate->GetMCLabelNegative(), fMCStack)){ if(((AliConversionCuts*)fCutArray->At(fiCut))->GetSignalRejection() != 3) continue; fIsFromBGEvent = kTRUE; } } if(!((AliConversionCuts*)fCutArray->At(fiCut))->PhotonIsSelected(PhotonCandidate,fInputEvent)) continue; if(!((AliConversionCuts*)fCutArray->At(fiCut))->UseElecSharingCut() && !((AliConversionCuts*)fCutArray->At(fiCut))->UseToCloseV0sCut()){ fGoodGammas->Add(PhotonCandidate); // if no second loop is required add to events good gammas if(!fIsFromBGEvent){ hESDConvGammaPt[fiCut]->Fill(PhotonCandidate->Pt()); hESDConvGammaR[fiCut]->Fill(PhotonCandidate->GetConversionRadius()); } if(fMCEvent){ ProcessTruePhotonCandidates(PhotonCandidate); } } else if(((AliConversionCuts*)fCutArray->At(fiCut))->UseElecSharingCut()){ // if Shared Electron cut is enabled, Fill array, add to step one ((AliConversionCuts*)fCutArray->At(fiCut))->FillElectonLabelArray(PhotonCandidate,nV0); nV0++; GoodGammasStepOne->Add(PhotonCandidate); } else if(!((AliConversionCuts*)fCutArray->At(fiCut))->UseElecSharingCut() && ((AliConversionCuts*)fCutArray->At(fiCut))->UseToCloseV0sCut()){ // shared electron is disabled, step one not needed -> step two GoodGammasStepTwo->Add(PhotonCandidate); } } if(((AliConversionCuts*)fCutArray->At(fiCut))->UseElecSharingCut()){ for(Int_t i = 0;iGetEntries();i++){ AliAODConversionPhoton *PhotonCandidate= (AliAODConversionPhoton*) GoodGammasStepOne->At(i); if(!PhotonCandidate) continue; fIsFromBGEvent = kFALSE; if(fMCEvent && ((AliConversionCuts*)fCutArray->At(fiCut))->GetSignalRejection() != 0){ if(!((AliConversionCuts*)fCutArray->At(fiCut))->IsParticleFromBGEvent(PhotonCandidate->GetMCLabelPositive(), fMCStack)){ fIsFromBGEvent = kTRUE; } if(!((AliConversionCuts*)fCutArray->At(fiCut))->IsParticleFromBGEvent(PhotonCandidate->GetMCLabelNegative(), fMCStack)){ fIsFromBGEvent = kTRUE; } } if(!((AliConversionCuts*)fCutArray->At(fiCut))->RejectSharedElectronV0s(PhotonCandidate,i,GoodGammasStepOne->GetEntries())) continue; if(!((AliConversionCuts*)fCutArray->At(fiCut))->UseToCloseV0sCut()){ // To Colse v0s cut diabled, step two not needed fGoodGammas->Add(PhotonCandidate); if(!fIsFromBGEvent){ hESDConvGammaPt[fiCut]->Fill(PhotonCandidate->Pt()); hESDConvGammaR[fiCut]->Fill(PhotonCandidate->GetConversionRadius()); } if(fMCEvent){ ProcessTruePhotonCandidates(PhotonCandidate); } } else GoodGammasStepTwo->Add(PhotonCandidate); // Close v0s cut enabled -> add to list two } } if(((AliConversionCuts*)fCutArray->At(fiCut))->UseToCloseV0sCut()){ for(Int_t i = 0;iGetEntries();i++){ AliAODConversionPhoton* PhotonCandidate = (AliAODConversionPhoton*) GoodGammasStepTwo->At(i); if(!PhotonCandidate) continue; fIsFromBGEvent = kFALSE; if(fMCEvent && ((AliConversionCuts*)fCutArray->At(fiCut))->GetSignalRejection() != 0){ if(!((AliConversionCuts*)fCutArray->At(fiCut))->IsParticleFromBGEvent(PhotonCandidate->GetMCLabelPositive(), fMCStack)){ fIsFromBGEvent = kTRUE; } if(!((AliConversionCuts*)fCutArray->At(fiCut))->IsParticleFromBGEvent(PhotonCandidate->GetMCLabelNegative(), fMCStack)){ fIsFromBGEvent = kTRUE; } } if(!((AliConversionCuts*)fCutArray->At(fiCut))->RejectToCloseV0s(PhotonCandidate,GoodGammasStepTwo,i)) continue; fGoodGammas->Add(PhotonCandidate); // Add gamma to current cut TList if(!fIsFromBGEvent){ hESDConvGammaPt[fiCut]->Fill(PhotonCandidate->Pt()); hESDConvGammaR[fiCut]->Fill(PhotonCandidate->GetConversionRadius()); } if(fMCEvent){ ProcessTruePhotonCandidates(PhotonCandidate); } } } delete GoodGammasStepOne; GoodGammasStepOne = 0x0; delete GoodGammasStepTwo; GoodGammasStepTwo = 0x0; } //________________________________________________________________________ void AliAnalysisTaskGammaConvV1::ProcessTruePhotonCandidates(AliAODConversionPhoton *TruePhotonCandidate) { // Process True Photons AliStack *MCStack = fMCEvent->Stack(); TParticle *posDaughter = TruePhotonCandidate->GetPositiveMCDaughter(MCStack); TParticle *negDaughter = TruePhotonCandidate->GetNegativeMCDaughter(MCStack); if(posDaughter == NULL || negDaughter == NULL) return; // One particle does not exist Int_t pdgCode[2] = {abs(posDaughter->GetPdgCode()),abs(negDaughter->GetPdgCode())}; if(posDaughter->GetMother(0) != negDaughter->GetMother(0)){ // Combinatorial Bck = 0 ee, 1 ep,i 2 ek, 3 ep, 4 emu, 5 pipi, 6 pik, 7 pip, 8 pimu, 9 kk, 10 kp, 11 kmu, 12 pp, 13 pmu, 14 mumu, 15 Rest if(pdgCode[0]==11 && pdgCode[1]==11){if(!fIsFromBGEvent)hESDCombinatorialPt[fiCut]->Fill(TruePhotonCandidate->Pt(),0);} else if( (pdgCode[0]==11 && pdgCode[1]==211) || (pdgCode[0]==211 && pdgCode[1]==11) ) {if(!fIsFromBGEvent)hESDCombinatorialPt[fiCut]->Fill(TruePhotonCandidate->Pt(),1);} else if( (pdgCode[0]==11 && pdgCode[1]==321) || (pdgCode[0]==321 && pdgCode[1]==11) ) {if(!fIsFromBGEvent)hESDCombinatorialPt[fiCut]->Fill(TruePhotonCandidate->Pt(),2);} else if( (pdgCode[0]==11 && pdgCode[1]==2212) || (pdgCode[0]==2212 && pdgCode[1]==11) ) {if(!fIsFromBGEvent)hESDCombinatorialPt[fiCut]->Fill(TruePhotonCandidate->Pt(),3);} else if( (pdgCode[0]==11 && pdgCode[1]==13) || (pdgCode[0]==13 && pdgCode[1]==11) ) {if(!fIsFromBGEvent)hESDCombinatorialPt[fiCut]->Fill(TruePhotonCandidate->Pt(),4);} else if( pdgCode[0]==211 && pdgCode[1]==211 ){if(!fIsFromBGEvent)hESDCombinatorialPt[fiCut]->Fill(TruePhotonCandidate->Pt(),5);} else if( (pdgCode[0]==211 && pdgCode[1]==321) || (pdgCode[0]==321 && pdgCode[1]==211) ) {if(!fIsFromBGEvent)hESDCombinatorialPt[fiCut]->Fill(TruePhotonCandidate->Pt(),6);} else if( (pdgCode[0]==211 && pdgCode[1]==2212) || (pdgCode[0]==2212 && pdgCode[1]==211) ) {if(!fIsFromBGEvent)hESDCombinatorialPt[fiCut]->Fill(TruePhotonCandidate->Pt(),7);} else if( (pdgCode[0]==211 && pdgCode[1]==13) || (pdgCode[0]==13 && pdgCode[1]==211) ) {if(!fIsFromBGEvent)hESDCombinatorialPt[fiCut]->Fill(TruePhotonCandidate->Pt(),8);} else if( pdgCode[0]==321 && pdgCode[1]==321 ){if(!fIsFromBGEvent)hESDCombinatorialPt[fiCut]->Fill(TruePhotonCandidate->Pt(),9);} else if( (pdgCode[0]==321 && pdgCode[1]==2212) || (pdgCode[0]==2212 && pdgCode[1]==321) ) {if(!fIsFromBGEvent)hESDCombinatorialPt[fiCut]->Fill(TruePhotonCandidate->Pt(),10);} else if( (pdgCode[0]==321 && pdgCode[1]==13) || (pdgCode[0]==13 && pdgCode[1]==321) ) {if(!fIsFromBGEvent)hESDCombinatorialPt[fiCut]->Fill(TruePhotonCandidate->Pt(),11);} else if( pdgCode[0]==2212 && pdgCode[1]==2212 ){if(!fIsFromBGEvent)hESDCombinatorialPt[fiCut]->Fill(TruePhotonCandidate->Pt(),12);} else if( (pdgCode[0]==2212 && pdgCode[1]==13) || (pdgCode[0]==13 && pdgCode[1]==2212) ) {if(!fIsFromBGEvent)hESDCombinatorialPt[fiCut]->Fill(TruePhotonCandidate->Pt(),13);} else if( pdgCode[0]==13 && pdgCode[1]==13 ){if(!fIsFromBGEvent)hESDCombinatorialPt[fiCut]->Fill(TruePhotonCandidate->Pt(),14);} else {if(!fIsFromBGEvent)hESDCombinatorialPt[fiCut]->Fill(TruePhotonCandidate->Pt(),15);} return; } else if(posDaughter->GetMother(0) == -1){ if(pdgCode[0]==11 && pdgCode[1]==11){if(!fIsFromBGEvent)hESDCombinatorialPt[fiCut]->Fill(TruePhotonCandidate->Pt(),0);} else if( (pdgCode[0]==11 && pdgCode[1]==211) || (pdgCode[0]==211 && pdgCode[1]==11) ) {if(!fIsFromBGEvent)hESDCombinatorialPt[fiCut]->Fill(TruePhotonCandidate->Pt(),1);} else if( (pdgCode[0]==11 && pdgCode[1]==321) || (pdgCode[0]==321 && pdgCode[1]==11) ) {if(!fIsFromBGEvent)hESDCombinatorialPt[fiCut]->Fill(TruePhotonCandidate->Pt(),2);} else if( (pdgCode[0]==11 && pdgCode[1]==2212) || (pdgCode[0]==2212 && pdgCode[1]==11) ) {if(!fIsFromBGEvent)hESDCombinatorialPt[fiCut]->Fill(TruePhotonCandidate->Pt(),3);} else if( (pdgCode[0]==11 && pdgCode[1]==13) || (pdgCode[0]==13 && pdgCode[1]==11) ) {if(!fIsFromBGEvent)hESDCombinatorialPt[fiCut]->Fill(TruePhotonCandidate->Pt(),4);} else if( pdgCode[0]==211 && pdgCode[1]==211 ){if(!fIsFromBGEvent)hESDCombinatorialPt[fiCut]->Fill(TruePhotonCandidate->Pt(),5);} else if( (pdgCode[0]==211 && pdgCode[1]==321) || (pdgCode[0]==321 && pdgCode[1]==211) ) {if(!fIsFromBGEvent)hESDCombinatorialPt[fiCut]->Fill(TruePhotonCandidate->Pt(),6);} else if( (pdgCode[0]==211 && pdgCode[1]==2212) || (pdgCode[0]==2212 && pdgCode[1]==211) ) {if(!fIsFromBGEvent)hESDCombinatorialPt[fiCut]->Fill(TruePhotonCandidate->Pt(),7);} else if( (pdgCode[0]==211 && pdgCode[1]==13) || (pdgCode[0]==13 && pdgCode[1]==211) ) {if(!fIsFromBGEvent)hESDCombinatorialPt[fiCut]->Fill(TruePhotonCandidate->Pt(),8);} else if( pdgCode[0]==321 && pdgCode[1]==321 ){if(!fIsFromBGEvent)hESDCombinatorialPt[fiCut]->Fill(TruePhotonCandidate->Pt(),9);} else if( (pdgCode[0]==321 && pdgCode[1]==2212) || (pdgCode[0]==2212 && pdgCode[1]==321) ) {if(!fIsFromBGEvent)hESDCombinatorialPt[fiCut]->Fill(TruePhotonCandidate->Pt(),10);} else if( (pdgCode[0]==321 && pdgCode[1]==13) || (pdgCode[0]==13 && pdgCode[1]==321) ) {if(!fIsFromBGEvent)hESDCombinatorialPt[fiCut]->Fill(TruePhotonCandidate->Pt(),11);} else if( pdgCode[0]==2212 && pdgCode[1]==2212 ){if(!fIsFromBGEvent)hESDCombinatorialPt[fiCut]->Fill(TruePhotonCandidate->Pt(),12);} else if( (pdgCode[0]==2212 && pdgCode[1]==13) || (pdgCode[0]==13 && pdgCode[1]==2212) ) {if(!fIsFromBGEvent)hESDCombinatorialPt[fiCut]->Fill(TruePhotonCandidate->Pt(),13);} else if( pdgCode[0]==13 && pdgCode[1]==13 ){if(!fIsFromBGEvent)hESDCombinatorialPt[fiCut]->Fill(TruePhotonCandidate->Pt(),14);} else {if(!fIsFromBGEvent)hESDCombinatorialPt[fiCut]->Fill(TruePhotonCandidate->Pt(),15);} return; } if(pdgCode[0]!=11 || pdgCode[1]!=11) return; //One Particle is not a electron if(posDaughter->GetPdgCode()==negDaughter->GetPdgCode()) return; // Same Charge if(posDaughter->GetUniqueID() != 5 || negDaughter->GetUniqueID() !=5) return;// check if the daughters come from a conversion TParticle *Photon = TruePhotonCandidate->GetMCParticle(MCStack); if(Photon->GetPdgCode() != 22) return; // Mother is no Photon // True Photon if(!fIsFromBGEvent)hESDTrueConvGammaPt[fiCut]->Fill(TruePhotonCandidate->Pt()); if(posDaughter->GetMother(0) <= MCStack->GetNprimary()){ // Count just primary MC Gammas as true --> For Ratio esdtruegamma / mcconvgamma if(!fIsFromBGEvent){ hESDTruePrimaryConvGammaPt[fiCut]->Fill(TruePhotonCandidate->Pt()); hESDTruePrimaryConvGammaR[fiCut]->Fill(TruePhotonCandidate->GetConversionRadius()); hESDTruePrimaryConvGammaEta[fiCut]->Fill(TruePhotonCandidate->Eta()); hESDTruePrimaryConvGammaRSESDPtMCPt[fiCut]->Fill(TruePhotonCandidate->Pt(),Photon->Pt()); // Allways Filled } hESDTruePrimaryConvGammaESDPtMCPt[fiCut]->Fill(TruePhotonCandidate->Pt(),Photon->Pt()); // Allways Filled // (Not Filled for i6, Extra Signal Gamma (parambox) are secondary) } else{ if(!fIsFromBGEvent){ hESDTrueSecondaryConvGammaPt[fiCut]->Fill(TruePhotonCandidate->Pt()); hESDTrueSecondaryConvGammaR[fiCut]->Fill(TruePhotonCandidate->GetConversionRadius()); if(MCStack->Particle(Photon->GetMother(0))->GetMother(0) > -1 && MCStack->Particle(MCStack->Particle(Photon->GetMother(0))->GetMother(0))->GetPdgCode() == 310){ hESDTrueSecondaryConvGammaFromXFromK0sPt[fiCut]->Fill(TruePhotonCandidate->Pt()); } } } } //________________________________________________________________________ void AliAnalysisTaskGammaConvV1::ProcessMCParticles() { // Loop over all primary MC particle for(Int_t i = 0; i < fMCStack->GetNprimary(); i++) { TParticle* particle = (TParticle *)fMCStack->Particle(i); if (!particle) continue; Bool_t mcIsFromBG = kFALSE; if(((AliConversionCuts*)fCutArray->At(fiCut))->GetSignalRejection() != 0){ if(!((AliConversionCuts*)fCutArray->At(fiCut))->IsParticleFromBGEvent(i, fMCStack)){ if(((AliConversionCuts*)fCutArray->At(fiCut))->GetSignalRejection() != 3) continue; mcIsFromBG = kTRUE; } } if(((AliConversionCuts*)fCutArray->At(fiCut))->PhotonIsSelectedMC(particle,fMCStack,kFALSE)){ hMCAllGammaPt[fiCut]->Fill(particle->Pt()); // All MC Gamma if(particle->GetMother(0) >-1){ // Meson Decay Gamma switch(fMCStack->Particle(particle->GetMother(0))->GetPdgCode()){ case 111: // Pi0 hMCDecayGammaPi0Pt[fiCut]->Fill(particle->Pt()); break; case 113: // Rho0 hMCDecayGammaRhoPt[fiCut]->Fill(particle->Pt()); break; case 221: // Eta hMCDecayGammaEtaPt[fiCut]->Fill(particle->Pt()); break; case 223: // Omega hMCDecayGammaOmegaPt[fiCut]->Fill(particle->Pt()); break; case 331: // Eta' hMCDecayGammaEtapPt[fiCut]->Fill(particle->Pt()); break; case 333: // Phi hMCDecayGammaPhiPt[fiCut]->Fill(particle->Pt()); break; case 3212: // Sigma hMCDecayGammaPhiPt[fiCut]->Fill(particle->Pt()); break; } } } if(((AliConversionCuts*)fCutArray->At(fiCut))->PhotonIsSelectedMC(particle,fMCStack,kTRUE)){ hMCConvGammaPt[fiCut]->Fill(particle->Pt()); hMCConvGammaR[fiCut]->Fill(((TParticle*)fMCStack->Particle(particle->GetFirstDaughter()))->R()); hMCConvGammaEta[fiCut]->Fill(particle->Eta()); if(!mcIsFromBG){ hMCConvGammaRSPt[fiCut]->Fill(particle->Pt()); hMCConvGammaRSR[fiCut]->Fill(((TParticle*)fMCStack->Particle(particle->GetFirstDaughter()))->R()); hMCConvGammaRSEta[fiCut]->Fill(particle->Eta()); } } // Converted MC Gamma if(fDoMesonAnalysis){ if(((AliConversionMesonCuts*)fMesonCutArray->At(fiCut))->MesonIsSelectedMC(particle,fMCStack)){ TParticle* daughter0 = (TParticle*)fMCStack->Particle(particle->GetFirstDaughter()); TParticle* daughter1 = (TParticle*)fMCStack->Particle(particle->GetLastDaughter()); if(particle->GetPdgCode() == 111)hMCPi0Pt[fiCut]->Fill(particle->Pt()); // All MC Pi0 else if(particle->GetPdgCode() == 221)hMCEtaPt[fiCut]->Fill(particle->Pt()); // All MC Eta // Check the acceptance for both gammas if(((AliConversionCuts*)fCutArray->At(fiCut))->PhotonIsSelectedMC(daughter0,fMCStack,kFALSE) && ((AliConversionCuts*)fCutArray->At(fiCut))->PhotonIsSelectedMC(daughter1,fMCStack,kFALSE) ){ if(particle->GetPdgCode() == 111)hMCPi0InAccPt[fiCut]->Fill(particle->Pt()); // MC Pi0 with gamma in acc else if(particle->GetPdgCode() == 221)hMCEtaInAccPt[fiCut]->Fill(particle->Pt()); // MC Eta with gamma in acc } } } } } //________________________________________________________________________ void AliAnalysisTaskGammaConvV1::CalculatePi0Candidates(){ // Conversion Gammas if(fGoodGammas->GetEntries()>1){ for(Int_t firstGammaIndex=0;firstGammaIndexGetEntries()-1;firstGammaIndex++){ AliAODConversionPhoton *gamma0=dynamic_cast(fGoodGammas->At(firstGammaIndex)); for(Int_t secondGammaIndex=firstGammaIndex+1;secondGammaIndexGetEntries();secondGammaIndex++){ AliAODConversionPhoton *gamma1=dynamic_cast(fGoodGammas->At(secondGammaIndex)); //Check for same Electron ID if(gamma0->GetTrackLabelPositive() == gamma1->GetTrackLabelPositive() || gamma0->GetTrackLabelNegative() == gamma1->GetTrackLabelNegative() || gamma0->GetTrackLabelNegative() == gamma1->GetTrackLabelPositive() || gamma0->GetTrackLabelPositive() == gamma1->GetTrackLabelNegative() ) continue; AliAODConversionMother *pi0cand = new AliAODConversionMother(gamma0,gamma1); pi0cand->SetLabels(firstGammaIndex,secondGammaIndex); if((((AliConversionMesonCuts*)fMesonCutArray->At(fiCut))->MesonIsSelected(pi0cand,kTRUE))){ hESDMotherInvMassPt[fiCut]->Fill(pi0cand->M(),pi0cand->Pt()); if(pi0cand->M()>0.1 && pi0cand->M()<0.15)hESDPi0Alpha[fiCut]->Fill(pi0cand->GetAlpha()); if(pi0cand->GetAlpha()<0.1) hESDMotherInvMassEalpha[fiCut]->Fill(pi0cand->M(),pi0cand->E()); if(((AliConversionMesonCuts*)fMesonCutArray->At(fiCut))->DoBGCalculation()){ Int_t zbin = 0; Int_t mbin = 0; if(((AliConversionMesonCuts*)fMesonCutArray->At(fiCut))->BackgroundHandlerType() == 0){ zbin = fBGHandler[fiCut]->GetZBinIndex(fInputEvent->GetPrimaryVertex()->GetZ()); if(((AliConversionMesonCuts*)fMesonCutArray->At(fiCut))->UseTrackMultiplicity()){ mbin = fBGHandler[fiCut]->GetMultiplicityBinIndex(fNumberOfESDTracks); } else { mbin = fBGHandler[fiCut]->GetMultiplicityBinIndex(fGoodGammas->GetEntries()); } } else{ zbin = fBGHandlerRP[fiCut]->GetZBinIndex(fInputEvent->GetPrimaryVertex()->GetZ()); if(((AliConversionMesonCuts*)fMesonCutArray->At(fiCut))->UseTrackMultiplicity()){ mbin = fBGHandlerRP[fiCut]->GetMultiplicityBinIndex(fNumberOfESDTracks); } else { mbin = fBGHandlerRP[fiCut]->GetMultiplicityBinIndex(fGoodGammas->GetEntries()); } } Double_t sparesFill[4] = {pi0cand->M(),pi0cand->Pt(),(Double_t)zbin,(Double_t)mbin}; sESDMotherInvMassPtZM[fiCut]->Fill(sparesFill,1); } if(fMCEvent){ ProcessTrueMesonCandidates(pi0cand,gamma0,gamma1); } } delete pi0cand; pi0cand=0x0; } } } } //______________________________________________________________________ void AliAnalysisTaskGammaConvV1::ProcessTrueMesonCandidates(AliAODConversionMother *Pi0Candidate, AliAODConversionPhoton *TrueGammaCandidate0, AliAODConversionPhoton *TrueGammaCandidate1) { // Process True Mesons AliStack *MCStack = fMCEvent->Stack(); if(TrueGammaCandidate0->GetV0Index()GetNumberOfV0s()){ Bool_t isTruePi0 = kFALSE; Bool_t isTrueEta = kFALSE; Int_t gamma0MCLabel = TrueGammaCandidate0->GetMCParticleLabel(MCStack); Int_t gamma0MotherLabel = -1; if(gamma0MCLabel != -1){ // Gamma is Combinatorial; MC Particles don't belong to the same Mother // Daughters Gamma 0 TParticle * negativeMC = (TParticle*)TrueGammaCandidate0->GetNegativeMCDaughter(MCStack); TParticle * positiveMC = (TParticle*)TrueGammaCandidate0->GetPositiveMCDaughter(MCStack); TParticle * gammaMC0 = (TParticle*)MCStack->Particle(gamma0MCLabel); if(abs(negativeMC->GetPdgCode())==11 && abs(positiveMC->GetPdgCode())==11){ // Electrons ... if(negativeMC->GetUniqueID() == 5 && positiveMC->GetUniqueID() ==5){ // ... From Conversion ... if(gammaMC0->GetPdgCode() == 22){ // ... with Gamma Mother gamma0MotherLabel=gammaMC0->GetFirstMother(); } } if(gammaMC0->GetPdgCode() ==111){ // Conversion but Pi0 Mother gamma0MotherLabel=-111; } if(gammaMC0->GetPdgCode() ==221){ // Conversion but Eta Mother gamma0MotherLabel=-221; } } } if(TrueGammaCandidate1->GetV0Index()GetNumberOfV0s()){ Int_t gamma1MCLabel = TrueGammaCandidate1->GetMCParticleLabel(MCStack); Int_t gamma1MotherLabel = -1; if(gamma1MCLabel != -1){ // Gamma is Combinatorial; MC Particles don't belong to the same Mother // Daughters Gamma 1 TParticle * negativeMC = (TParticle*)TrueGammaCandidate1->GetNegativeMCDaughter(MCStack); TParticle * positiveMC = (TParticle*)TrueGammaCandidate1->GetPositiveMCDaughter(MCStack); TParticle * gammaMC1 = (TParticle*)MCStack->Particle(gamma1MCLabel); if(abs(negativeMC->GetPdgCode())==11 && abs(positiveMC->GetPdgCode())==11){ // Electrons ... if(negativeMC->GetUniqueID() == 5 && positiveMC->GetUniqueID() ==5){ // ... From Conversion ... if(gammaMC1->GetPdgCode() == 22){ // ... with Gamma Mother gamma1MotherLabel=gammaMC1->GetFirstMother(); } } if(gammaMC1->GetPdgCode() ==111){ // Conversion but Pi0 Mother gamma1MotherLabel=-111; } if(gammaMC1->GetPdgCode() ==221){ // Conversion but Eta Mother gamma1MotherLabel=-221; } } } if(gamma0MotherLabel>=0 && gamma0MotherLabel==gamma1MotherLabel){ if(((TParticle*)MCStack->Particle(gamma1MotherLabel))->GetPdgCode() == 111){ isTruePi0=kTRUE; } if(((TParticle*)MCStack->Particle(gamma1MotherLabel))->GetPdgCode() == 221){ isTrueEta=kTRUE; } } if(isTruePi0 || isTrueEta){// True Pion or Eta hESDTrueMotherInvMassPt[fiCut]->Fill(Pi0Candidate->M(),Pi0Candidate->Pt()); if(Pi0Candidate->M()>0.1 && Pi0Candidate->M()<0.15)hESDTruePi0Alpha[fiCut]->Fill(Pi0Candidate->GetAlpha()); if(gamma0MotherLabel >= MCStack->GetNprimary()){ // Secondary Meson hESDTrueSecondaryMotherInvMassPt[fiCut]->Fill(Pi0Candidate->M(),Pi0Candidate->Pt()); if (((TParticle*)MCStack->Particle(gamma1MotherLabel))->GetMother(0) >-1){ if(MCStack->Particle(((TParticle*)MCStack->Particle(gamma1MotherLabel))->GetMother(0))->GetPdgCode()==kK0Short){ hESDTrueSecondaryMotherFromK0sInvMassPt[fiCut]->Fill(Pi0Candidate->M(),Pi0Candidate->Pt()); hESDTrueK0sWithPi0DaughterMCPt[fiCut] ->Fill(MCStack->Particle(((TParticle*)MCStack->Particle(gamma1MotherLabel))->GetMother(0))->Pt()); } if(MCStack->Particle(((TParticle*)MCStack->Particle(gamma1MotherLabel))->GetMother(0))->GetPdgCode()==221){ hESDTrueSecondaryMotherFromEtaInvMassPt[fiCut]->Fill(Pi0Candidate->M(),Pi0Candidate->Pt()); hESDTrueEtaWithPi0DaughterMCPt[fiCut] ->Fill(MCStack->Particle(((TParticle*)MCStack->Particle(gamma1MotherLabel))->GetMother(0))->Pt()); } } } else{ // Only primary pi0 for efficiency calculation hESDTruePrimaryMotherInvMassMCPt[fiCut]->Fill(Pi0Candidate->M(),((TParticle*)MCStack->Particle(gamma1MotherLabel))->Pt()); if(isTruePi0){ // Only primaries for unfolding hESDTruePrimaryPi0ESDPtMCPt[fiCut]->Fill(Pi0Candidate->Pt(),((TParticle*)MCStack->Particle(gamma1MotherLabel))->Pt()); } } } else if(!isTruePi0 && !isTrueEta){ // Background if(gamma0MotherLabel>-1 && gamma1MotherLabel>-1){ // Both Tracks are Photons and have a mother but not Pi0 or Eta hESDTrueBckGGInvMassPt[fiCut]->Fill(Pi0Candidate->M(),Pi0Candidate->Pt()); } else { // No photon or without mother hESDTrueBckContInvMassPt[fiCut]->Fill(Pi0Candidate->M(),Pi0Candidate->Pt()); } if((gamma0MotherLabel==-111 || gamma1MotherLabel==-111 || gamma0MotherLabel==-221 || gamma1MotherLabel==-221) ){ // Dalitz hESDTrueMotherDalitzInvMassPt[fiCut]->Fill(Pi0Candidate->M(),Pi0Candidate->Pt()); } } } } } //________________________________________________________________________ void AliAnalysisTaskGammaConvV1::CalculateBackground(){ Int_t zbin= fBGHandler[fiCut]->GetZBinIndex(fInputEvent->GetPrimaryVertex()->GetZ()); Int_t mbin = 0; if(((AliConversionMesonCuts*)fMesonCutArray->At(fiCut))->UseTrackMultiplicity()){ mbin = fBGHandler[fiCut]->GetMultiplicityBinIndex(fNumberOfESDTracks); } else { mbin = fBGHandler[fiCut]->GetMultiplicityBinIndex(fGoodGammas->GetEntries()); } if(((AliConversionMesonCuts*)fMesonCutArray->At(fiCut))->UseRotationMethod()){ for(Int_t iCurrent=0;iCurrentGetEntries();iCurrent++){ AliAODConversionPhoton currentEventGoodV0 = *(AliAODConversionPhoton*)(fGoodGammas->At(iCurrent)); for(Int_t iCurrent2=iCurrent+1;iCurrent2GetEntries();iCurrent2++){ for(Int_t nRandom=0;nRandom<((AliConversionMesonCuts*)fMesonCutArray->At(fiCut))->GetNumberOfBGEvents();nRandom++){ AliAODConversionPhoton currentEventGoodV02 = *(AliAODConversionPhoton*)(fGoodGammas->At(iCurrent2)); if(((AliConversionMesonCuts*)fMesonCutArray->At(fiCut))->DoBGProbability()){ AliAODConversionMother *backgroundCandidateProb = new AliAODConversionMother(¤tEventGoodV0,¤tEventGoodV02); Double_t massBGprob = backgroundCandidateProb->M(); if(massBGprob>0.1 && massBGprob<0.14){ if(fRandom.Rndm()>fBGHandler[fiCut]->GetBGProb(zbin,mbin)){ delete backgroundCandidateProb; continue; } } delete backgroundCandidateProb; backgroundCandidateProb = 0x0; } RotateParticle(¤tEventGoodV02); AliAODConversionMother *backgroundCandidate = new AliAODConversionMother(¤tEventGoodV0,¤tEventGoodV02); if((((AliConversionMesonCuts*)fMesonCutArray->At(fiCut))->MesonIsSelected(backgroundCandidate,kFALSE))){ hESDMotherBackInvMassPt[fiCut]->Fill(backgroundCandidate->M(),backgroundCandidate->Pt()); Double_t sparesFill[4] = {backgroundCandidate->M(),backgroundCandidate->Pt(),(Double_t)zbin,(Double_t)mbin}; sESDMotherBackInvMassPtZM[fiCut]->Fill(sparesFill,1); if(backgroundCandidate->M()>0.1 && backgroundCandidate->M()<0.15) hESDBackAlpha[fiCut]->Fill(backgroundCandidate->GetAlpha()); } delete backgroundCandidate; backgroundCandidate = 0x0; } } } }else{ AliGammaConversionAODBGHandler::GammaConversionVertex *bgEventVertex = NULL; if(((AliConversionMesonCuts*)fMesonCutArray->At(fiCut))->UseTrackMultiplicity()){ for(Int_t nEventsInBG=0;nEventsInBGGetNBGEvents();nEventsInBG++){ AliGammaConversionAODVector *previousEventV0s = fBGHandler[fiCut]->GetBGGoodV0s(zbin,mbin,nEventsInBG); if(fMoveParticleAccordingToVertex == kTRUE){ bgEventVertex = fBGHandler[fiCut]->GetBGEventVertex(zbin,mbin,nEventsInBG); } for(Int_t iCurrent=0;iCurrentGetEntries();iCurrent++){ AliAODConversionPhoton currentEventGoodV0 = *(AliAODConversionPhoton*)(fGoodGammas->At(iCurrent)); for(UInt_t iPrevious=0;iPrevioussize();iPrevious++){ AliAODConversionPhoton previousGoodV0 = (AliAODConversionPhoton)(*(previousEventV0s->at(iPrevious))); if(fMoveParticleAccordingToVertex == kTRUE){ MoveParticleAccordingToVertex(&previousGoodV0,bgEventVertex); } AliAODConversionMother *backgroundCandidate = new AliAODConversionMother(¤tEventGoodV0,&previousGoodV0); if((((AliConversionMesonCuts*)fMesonCutArray->At(fiCut))->MesonIsSelected(backgroundCandidate,kFALSE))){ hESDMotherBackInvMassPt[fiCut]->Fill(backgroundCandidate->M(),backgroundCandidate->Pt()); Double_t sparesFill[4] = {backgroundCandidate->M(),backgroundCandidate->Pt(),(Double_t)zbin,(Double_t)mbin}; sESDMotherBackInvMassPtZM[fiCut]->Fill(sparesFill,1); if(backgroundCandidate->M()>0.1 && backgroundCandidate->M()<0.15) hESDBackAlpha[fiCut]->Fill(backgroundCandidate->GetAlpha()); } delete backgroundCandidate; backgroundCandidate = 0x0; } } } } else{ for(Int_t nEventsInBG=0;nEventsInBG GetNBGEvents();nEventsInBG++){ AliGammaConversionAODVector *previousEventV0s = fBGHandler[fiCut]->GetBGGoodV0s(zbin,mbin,nEventsInBG); if(previousEventV0s){ if(fMoveParticleAccordingToVertex == kTRUE){ bgEventVertex = fBGHandler[fiCut]->GetBGEventVertex(zbin,mbin,nEventsInBG); } for(Int_t iCurrent=0;iCurrentGetEntries();iCurrent++){ AliAODConversionPhoton currentEventGoodV0 = *(AliAODConversionPhoton*)(fGoodGammas->At(iCurrent)); for(UInt_t iPrevious=0;iPrevioussize();iPrevious++){ AliAODConversionPhoton previousGoodV0 = (AliAODConversionPhoton)(*(previousEventV0s->at(iPrevious))); if(fMoveParticleAccordingToVertex == kTRUE){ MoveParticleAccordingToVertex(&previousGoodV0,bgEventVertex); } AliAODConversionMother *backgroundCandidate = new AliAODConversionMother(¤tEventGoodV0,&previousGoodV0); if((((AliConversionMesonCuts*)fMesonCutArray->At(fiCut))->MesonIsSelected(backgroundCandidate,kFALSE))){ hESDMotherBackInvMassPt[fiCut]->Fill(backgroundCandidate->M(),backgroundCandidate->Pt()); Double_t sparesFill[4] = {backgroundCandidate->M(),backgroundCandidate->Pt(),(Double_t)zbin,(Double_t)mbin}; sESDMotherBackInvMassPtZM[fiCut]->Fill(sparesFill,1); if(backgroundCandidate->M()>0.1 && backgroundCandidate->M()<0.15) hESDBackAlpha[fiCut]->Fill(backgroundCandidate->GetAlpha()); } delete backgroundCandidate; backgroundCandidate = 0x0; } } } } } } } //________________________________________________________________________ void AliAnalysisTaskGammaConvV1::CalculateBackgroundRP(){ Int_t zbin= fBGHandlerRP[fiCut]->GetZBinIndex(fInputEvent->GetPrimaryVertex()->GetZ()); Int_t mbin = 0; if(((AliConversionMesonCuts*)fMesonCutArray->At(fiCut))->UseTrackMultiplicity()){ mbin = fBGHandlerRP[fiCut]->GetMultiplicityBinIndex(fNumberOfESDTracks); } else { mbin = fBGHandlerRP[fiCut]->GetMultiplicityBinIndex(fGoodGammas->GetEntries()); } //Rotation Method if(((AliConversionMesonCuts*)fMesonCutArray->At(fiCut))->UseRotationMethod()){ // Correct for the number of rotations // BG is for rotation the same, except for factor NRotations Double_t weight=1./Double_t(((AliConversionMesonCuts*)fMesonCutArray->At(fiCut))->GetNumberOfBGEvents()); for(Int_t firstGammaIndex=0;firstGammaIndexGetEntries();firstGammaIndex++){ AliAODConversionPhoton *gamma0=dynamic_cast(fGoodGammas->At(firstGammaIndex)); for(Int_t secondGammaIndex=firstGammaIndex+1;secondGammaIndexGetEntries();secondGammaIndex++){ AliAODConversionPhoton *gamma1=dynamic_cast(fGoodGammas->At(secondGammaIndex)); if(!((AliConversionCuts*)fCutArray->At(fiCut))->PhotonIsSelected(gamma1,fInputEvent))continue; for(Int_t nRandom=0;nRandom<((AliConversionMesonCuts*)fMesonCutArray->At(fiCut))->GetNumberOfBGEvents();nRandom++){ RotateParticle(gamma1); AliAODConversionMother backgroundCandidate(gamma0,gamma1); if(((AliConversionMesonCuts*)fMesonCutArray->At(fiCut))->MesonIsSelected(&backgroundCandidate,kFALSE)){ hESDMotherBackInvMassPt[fiCut]->Fill(backgroundCandidate.M(),backgroundCandidate.Pt()); Double_t sparesFill[4] = {backgroundCandidate.M(),backgroundCandidate.Pt(),(Double_t)zbin,(Double_t)mbin}; sESDMotherBackInvMassPtZM[fiCut]->Fill(sparesFill,weight); if(backgroundCandidate.M()>0.1 && backgroundCandidate.M()<0.15) hESDBackAlpha[fiCut]->Fill(backgroundCandidate.GetAlpha()); } } } } } else{ // Do Event Mixing for(Int_t nEventsInBG=0;nEventsInBG GetNBGEvents(fGoodGammas,fInputEvent);nEventsInBG++){ AliGammaConversionPhotonVector *previousEventGammas = fBGHandlerRP[fiCut]->GetBGGoodGammas(fGoodGammas,fInputEvent,nEventsInBG); if(previousEventGammas){ // test weighted background Double_t weight=1.0; // Correct for the number of eventmixing: // N gammas -> (N-1) + (N-2) +(N-3) ...+ (N-(N-1)) using sum formula sum(i)=N*(N-1)/2 -> N*(N-1)/2 // real combinations (since you cannot combine a photon with its own) // but BG leads to N_{a}*N_{b} combinations weight*=0.5*(Double_t(fGoodGammas->GetEntries()-1))/Double_t(previousEventGammas->size()); for(Int_t iCurrent=0;iCurrentGetEntries();iCurrent++){ AliAODConversionPhoton *gamma0 = (AliAODConversionPhoton*)(fGoodGammas->At(iCurrent)); for(UInt_t iPrevious=0;iPrevioussize();iPrevious++){ AliAODConversionPhoton *gamma1 = (AliAODConversionPhoton*)(previousEventGammas->at(iPrevious)); AliAODConversionMother backgroundCandidate(gamma0,gamma1); if(((AliConversionMesonCuts*)fMesonCutArray->At(fiCut))->MesonIsSelected(&backgroundCandidate,kFALSE)){ hESDMotherBackInvMassPt[fiCut]->Fill(backgroundCandidate.M(),backgroundCandidate.Pt()); Double_t sparesFill[4] = {backgroundCandidate.M(),backgroundCandidate.Pt(),(Double_t)zbin,(Double_t)mbin}; sESDMotherBackInvMassPtZM[fiCut]->Fill(sparesFill,weight); if(backgroundCandidate.M()>0.1 && backgroundCandidate.M()<0.15) hESDBackAlpha[fiCut]->Fill(backgroundCandidate.GetAlpha()); } } } } } } } //________________________________________________________________________ void AliAnalysisTaskGammaConvV1::RotateParticle(AliAODConversionPhoton *gamma){ Int_t fNDegreesPMBackground= ((AliConversionMesonCuts*)fMesonCutArray->At(fiCut))->NDegreesRotation(); Double_t nRadiansPM = fNDegreesPMBackground*TMath::Pi()/180; Double_t rotationValue = fRandom.Rndm()*2*nRadiansPM + TMath::Pi()-nRadiansPM; gamma->RotateZ(rotationValue); } //________________________________________________________________________ void AliAnalysisTaskGammaConvV1::MoveParticleAccordingToVertex(AliAODConversionPhoton* particle,const AliGammaConversionAODBGHandler::GammaConversionVertex *vertex){ //see header file for documentation Double_t dx = vertex->fX - fInputEvent->GetPrimaryVertex()->GetX(); Double_t dy = vertex->fY - fInputEvent->GetPrimaryVertex()->GetY(); Double_t dz = vertex->fZ - fInputEvent->GetPrimaryVertex()->GetZ(); Double_t movedPlace[3] = {particle->GetConversionX() - dx,particle->GetConversionY() - dy,particle->GetConversionZ() - dz}; particle->SetConversionPoint(movedPlace); } //________________________________________________________________________ void AliAnalysisTaskGammaConvV1::UpdateEventByEventData(){ //see header file for documentation if(fGoodGammas->GetEntries() >0 ){ if(((AliConversionMesonCuts*)fMesonCutArray->At(fiCut))->UseTrackMultiplicity()){ fBGHandler[fiCut]->AddEvent(fGoodGammas,fInputEvent->GetPrimaryVertex()->GetX(),fInputEvent->GetPrimaryVertex()->GetY(),fInputEvent->GetPrimaryVertex()->GetZ(),fNumberOfESDTracks); } else{ // means we use #V0s for multiplicity fBGHandler[fiCut]->AddEvent(fGoodGammas,fInputEvent->GetPrimaryVertex()->GetX(),fInputEvent->GetPrimaryVertex()->GetY(),fInputEvent->GetPrimaryVertex()->GetZ(),fGoodGammas->GetEntries()); } } } //________________________________________________________________________ void AliAnalysisTaskGammaConvV1::CountESDTracks(){ AliESDtrackCuts *EsdTrackCuts = new AliESDtrackCuts("AliESDtrackCuts"); // Using standard function for setting Cuts Bool_t selectPrimaries=kTRUE; EsdTrackCuts = AliESDtrackCuts::GetStandardITSTPCTrackCuts2010(selectPrimaries); EsdTrackCuts->SetMaxDCAToVertexZ(2); EsdTrackCuts->SetEtaRange(-0.8, 0.8); EsdTrackCuts->SetPtRange(0.15); fNumberOfESDTracks = 0; for(Int_t iTracks = 0; iTracks < fInputEvent->GetNumberOfTracks(); iTracks++){ AliESDtrack* curTrack = (AliESDtrack*) fInputEvent->GetTrack(iTracks); if(!curTrack) continue; // if(fMCEvent && ((AliConversionCuts*)fCutArray->At(fiCut))->GetSignalRejection() != 0){ // if(!((AliConversionCuts*)fCutArray->At(fiCut))->IsParticleFromBGEvent(abs(curTrack->GetLabel()), fMCStack)) continue; // } if(EsdTrackCuts->AcceptTrack(curTrack) ) fNumberOfESDTracks++; } delete EsdTrackCuts; EsdTrackCuts=0x0; return; } //________________________________________________________________________ void AliAnalysisTaskGammaConvV1::Terminate(const Option_t *) { fOutputContainer->Add(((AliConversionCuts*)fV0Reader->GetConversionCuts())->GetCutHistograms()); for(Int_t iCut = 0; iCutAt(iCut))->GetSignalRejection() == 2 && fMCEvent){ fHeaderNameList[iCut] = new TList(); TString HeaderNames = "Header:"; for(Int_t i = 0;i<(((AliConversionCuts*)fCutArray->At(iCut))->GetAcceptedHeader())->GetEntries();i++){ HeaderNames = HeaderNames+"_"+ ((TObjString*)((TList*) ( (AliConversionCuts*)fCutArray->At(iCut)) ->GetAcceptedHeader())->At(i))->GetString(); } fHeaderNameList[iCut]->SetName(HeaderNames); fHeaderNameList[iCut]->SetOwner(kTRUE); fCutFolder[iCut]->Add(fHeaderNameList[iCut]); } else if(((AliConversionCuts*)fCutArray->At(iCut))->GetSignalRejection() == 0 && (((AliConversionCuts*)fCutArray->At(iCut))->GetFoundHeader()) && fMCEvent){ fHeaderNameList[iCut] = new TList(); TString HeaderNames = (((AliConversionCuts*)fCutArray->At(iCut))->GetFoundHeader())[0]; fHeaderNameList[iCut]->SetName(HeaderNames); fHeaderNameList[iCut]->SetOwner(kTRUE); fCutFolder[iCut]->Add(fHeaderNameList[iCut]); } if(((AliConversionCuts*)fCutArray->At(iCut))->GetCutHistograms()){ fCutFolder[iCut]->Add(((AliConversionCuts*)fCutArray->At(iCut))->GetCutHistograms()); } if(((AliConversionMesonCuts*)fMesonCutArray->At(iCut))->GetCutHistograms()){ fCutFolder[iCut]->Add(((AliConversionMesonCuts*)fMesonCutArray->At(iCut))->GetCutHistograms()); } } fOutputContainer->Print(); }