PWGGA/GammaConv/AliAnalysisTaskGammaConvDalitzV1.h

   1 #ifndef ALIANALYSISTASKGAMMACONVDALITZV1_H
   2 #define ALIANALYSISTASKGAMMACONVDALITZV1_H
   3
   4 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
   5  * See cxx source for full Copyright notice                               */
   6
   7 // Analysis task for pi0->e+e-gamma (Dalitz decay)
   8
   9 #include "AliAnalysisTaskSE.h"
  10 #include "AliV0ReaderV1.h"
  11 #include "AliKFConversionPhoton.h"
  12 #include "AliDalitzElectronSelector.h"
  13 #include "AliConversionMesonCuts.h"
  14 #include "AliGammaConversionAODBGHandler.h"
  15
  16 class AliESDInputHandler;
  17 class AliMCEventHandler;
  18 class AliESDEvent;
  19 class AliESDtrack;
  20 class AliESDtrackCuts;
  21 class AliESDpidCuts;
  22 class AliV0Reader;
  23 class AliGammaConversionHistograms;
  24 class AliTriggerAnalysis;
  25
  26 class AliAnalysisTaskGammaConvDalitzV1: public AliAnalysisTaskSE
  27 {
  28   public:
  29
  30         AliAnalysisTaskGammaConvDalitzV1();
  31         AliAnalysisTaskGammaConvDalitzV1( const char* name );
  32         virtual ~AliAnalysisTaskGammaConvDalitzV1();
  33
  34         virtual void UserExec(Option_t *);
  35         virtual void UserCreateOutputObjects();
  36         virtual void Terminate(const Option_t *);
  37
  38
  39
  40
  41          void SetMoveParticleAccordingToVertex(Bool_t flag){fMoveParticleAccordingToVertex = flag;}
  42          void SetIsHeavyIon(Bool_t flag){fIsHeavyIon = flag;}
  43          void SetConversionCutList(Int_t nCuts, TList *CutArray){
  44                         fnCuts= nCuts;
  45                         fCutGammaArray = CutArray;
  46                 }
  47          void SetElectronCutList(TList *CutArray){
  48                         fCutElectronArray = CutArray;
  49                 }
  50          void SetMesonCutList(TList *CutArray){
  51                         fCutMesonArray = CutArray;
  52                 }
  53
  54
  55         private:
  56
  57                 void InitBack();
  58                 void ProcessPhotonCandidates();
  59                 void ProcessTruePhotonCandidates(AliAODConversionPhoton*);
  60                 void ProcessTrueMesonCandidates(AliAODConversionMother *Pi0Candidate, AliAODConversionPhoton *TrueGammaCandidate, AliAODConversionPhoton *TrueVirtualGammaCandidate);
  61                 void MoveParticleAccordingToVertex(AliAODConversionPhoton* particle,const AliGammaConversionAODBGHandler::GammaConversionVertex *vertex);
  62                 void ProcessElectronCandidates();
  63                 void ProcessMCParticles();
  64                 void CountESDTracks();
  65                 void CalculatePi0DalitzCandidates();
  66                 void CalculateBackground();
  67                 void UpdateEventByEventData();
  68                 Double_t GetPsiPair( const AliESDtrack *trackPos, const AliESDtrack *trackNeg ) const;
  69                 Bool_t IsDalitz(TParticle *fMCMother,Int_t &labelgamma, Int_t &labelelectron,Int_t &labelpositron);
  70                 Bool_t IsPi0DalitzDaughter( Int_t label ) const;
  71
  72
  73
  74     AliV0ReaderV1 *fV0Reader;
  75     AliDalitzElectronSelector* fElecSelector;
  76     AliGammaConversionAODBGHandler **fBGHandler;
  77     AliESDEvent *fESDEvent;
  78     AliMCEvent *fMCEvent;
  79     AliStack *fMCStack;
  80     TList **fCutFolder;
  81     TList **fESDList;
  82     TList **fBackList;
  83     TList **fTrueList;
  84     TList **fMCList;
  85     TList *fOutputContainer;
  86     TClonesArray *fReaderGammas;
  87     vector<Int_t> fSelectorElectronIndex;
  88     vector<Int_t> fSelectorPositronIndex;
  89     TList *fGoodGammas;
  90     TList *fGoodVirtualGammas;
  91     TList *fGoodElectrons;
  92     TList *fGoodPositrons;
  93     TList *fCutGammaArray;
  94     TList *fCutElectronArray;
  95     TList *fCutMesonArray;
  96     TList **fGammasPool;
  97     AliConversionCuts *fConversionCuts;
  98     TH1F **hESDConvGammaPt;
  99     TH1F **hESDDalitzElectronPt;
 100     TH1F **hESDDalitzPositronPt;
 101     TH2F **hESDEposEnegPsiPairDPhi;
 102     TH2F **hESDEposEnegInvMassPt;
 103     TH2F **hESDEposEnegLikeSignBackInvMassPt;
 104     TH2F **hESDMotherInvMassPt;
 105     TH2F **hESDPi0MotherInvMassPt;
 106     TH2F **hESDPi0MotherDiffInvMassPt;
 107     THnSparseF **sESDMotherInvMassPtZM;
 108     TH2F **hESDMotherBackInvMassPt;
 109     THnSparseF **sESDMotherBackInvMassPtZM;
 110     TH1F **hMCAllGammaPt;
 111     TH1F **hMCAllPositronsPt;
 112     TH1F **hMCAllElectronsPt;
 113     TH1F **hMCPi0DalitzGammaPt;
 114     TH1F **hMCPi0DalitzElectronPt;
 115     TH1F **hMCPi0DalitzPositronPt;
 116     TH1F **hMCPi0Pt;
 117     TH1F **hMCPi0GGPt;
 118     TH1F **hMCEtaPt;
 119     TH1F **hMCEtaGGPt;
 120     TH1F **hMCPi0InAccPt;
 121     TH1F **hMCEtaInAccPt;
 122     TH2F **hESDEposEnegTruePi0DalitzInvMassPt;
 123     TH2F **hESDEposEnegTrueEtaDalitzInvMassPt;
 124     TH2F **hESDEposEnegTruePhotonInvMassPt;
 125     TH2F **hESDTrueMotherInvMassPt;
 126     TH2F **hESDTrueMotherPi0GGInvMassPt;
 127     TH2F **hESDTruePrimaryMotherInvMassMCPt;
 128     TH2F **hESDTruePrimaryPi0DalitzESDPtMCPt;
 129     TH2F **hESDTrueSecondaryMotherInvMassPt;
 130     TH2F **hESDTrueSecondaryMotherFromK0sInvMassPt;
 131     TH2F **hESDTrueBckGGInvMassPt;
 132     TH2F **hESDTrueBckContInvMassPt;
 133     TH2F **hESDTrueMotherGGInvMassPt;
 134     TH1F **hESDTrueConvGammaPt;
 135     TH1F **hESDTruePositronPt;
 136     TH1F **hESDTrueElectronPt;
 137     TH1F **hESDTruePi0DalitzConvGammaPt;
 138     TH1F **hESDTruePi0DalitzPositronPt;
 139     TH1F **hESDTruePi0DalitzElectronPt;
 140       //if(fDoMesonAnalysis){
 141
 142
 143     TH1I **hNEvents;
 144     TH1I **hNGoodESDTracks;
 145
 146     TRandom3 fRandom;
 147     Double_t *fUnsmearedPx;
 148     Double_t *fUnsmearedPy;
 149     Double_t *fUnsmearedPz;
 150     Double_t *fUnsmearedE;
 151     Int_t fnCuts;
 152     Int_t fiCut;
 153     Int_t fNumberOfESDTracks;
 154     Bool_t fMoveParticleAccordingToVertex;
 155     Bool_t fIsHeavyIon;
 156     Bool_t fDoMesonAnalysis;
 157
 158         private:
 159                 AliAnalysisTaskGammaConvDalitzV1( const AliAnalysisTaskGammaConvDalitzV1& ); // Not implemented
 160                 AliAnalysisTaskGammaConvDalitzV1& operator=( const AliAnalysisTaskGammaConvDalitzV1& ); // Not implemented
 161
 162                 ClassDef( AliAnalysisTaskGammaConvDalitzV1, 2 );
 163 };
 164
 165 #endif // ALIANALYSISTASKGAMMACONVDALITZV1_H
 166