1 #ifndef ALIANALYSISTASKGAMMACONVDALITZV1_H
2 #define ALIANALYSISTASKGAMMACONVDALITZV1_H
4 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
5 * See cxx source for full Copyright notice */
7 // Analysis task for pi0->e+e-gamma (Dalitz decay)
9 #include "AliAnalysisTaskSE.h"
10 #include "AliV0ReaderV1.h"
11 #include "AliKFConversionPhoton.h"
12 #include "AliDalitzElectronSelector.h"
13 #include "AliConversionMesonCuts.h"
14 #include "AliGammaConversionAODBGHandler.h"
16 class AliESDInputHandler;
17 class AliMCEventHandler;
20 class AliESDtrackCuts;
23 class AliGammaConversionHistograms;
24 class AliTriggerAnalysis;
26 class AliAnalysisTaskGammaConvDalitzV1: public AliAnalysisTaskSE
30 AliAnalysisTaskGammaConvDalitzV1();
31 AliAnalysisTaskGammaConvDalitzV1( const char* name );
32 virtual ~AliAnalysisTaskGammaConvDalitzV1();
34 virtual void UserExec(Option_t *);
35 virtual void UserCreateOutputObjects();
36 virtual Bool_t Notify();
37 virtual void Terminate(const Option_t *);
42 void SetMoveParticleAccordingToVertex(Bool_t flag){fMoveParticleAccordingToVertex = flag;}
44 void SetIsHeavyIon(Int_t flag){
45 if (flag == 1 || flag ==2 ){
52 void SetIsMC(Bool_t isMC){fIsMC=isMC;}
53 void SetConversionCutList(Int_t nCuts, TList *CutArray){
55 fCutGammaArray = CutArray;
57 void SetElectronCutList(TList *CutArray){
58 fCutElectronArray = CutArray;
60 void SetMesonCutList(TList *CutArray){
61 fCutMesonArray = CutArray;
63 void SetDoChicAnalysis(Bool_t flag){ fDoChicAnalysis = flag; }
64 void SetDoMesonQA(Bool_t flag){ fDoMesonQA = flag; }
70 void ProcessPhotonCandidates();
71 void ProcessTruePhotonCandidates(AliAODConversionPhoton*);
72 void ProcessTrueMesonCandidates(AliAODConversionMother *Pi0Candidate, AliAODConversionPhoton *TrueGammaCandidate, AliAODConversionPhoton *TrueVirtualGammaCandidate);
73 void MoveParticleAccordingToVertex(AliAODConversionPhoton* particle,const AliGammaConversionAODBGHandler::GammaConversionVertex *vertex);
74 void ProcessElectronCandidates();
75 void ProcessMCParticles();
76 void CountESDTracks();
77 void CalculatePi0DalitzCandidates();
78 void CalculateBackground();
79 void UpdateEventByEventData();
80 Double_t GetPsiPair( const AliESDtrack *trackPos, const AliESDtrack *trackNeg ) const;
81 Bool_t IsDalitz(TParticle *fMCMother) const;
82 Bool_t IsPi0DalitzDaughter( Int_t label ) const;
86 AliV0ReaderV1 *fV0Reader;
87 AliDalitzElectronSelector* fElecSelector;
88 AliGammaConversionAODBGHandler **fBGHandler;
89 AliESDEvent *fESDEvent;
98 TList *fOutputContainer;
99 TClonesArray *fReaderGammas;
100 vector<Int_t> fSelectorElectronIndex;
101 vector<Int_t> fSelectorPositronIndex;
103 TList *fGoodVirtualGammas;
104 TList *fGoodElectrons;
105 TList *fGoodPositrons;
106 TList *fCutGammaArray;
107 TList *fCutElectronArray;
108 TList *fCutMesonArray;
110 AliConversionCuts *fConversionCuts;
111 TH1F **hESDConvGammaPt;
112 TH1F **hESDDalitzElectronPt;
113 TH1F **hESDDalitzPositronPt;
114 TH1F **hESDDalitzElectronPhi;
115 TH1F **hESDDalitzPositronPhi;
116 TH1F **hESDDalitzElectronAfterPt;
117 TH1F **hESDDalitzPositronAfterPt;
118 TH1F **hESDDalitzElectronAfterPhi;
119 TH1F **hESDDalitzPositronAfterPhi;
120 TH2F **hESDDalitzElectronAfterNFindClsTPC;
121 TH2F **hESDDalitzPositronAfterNFindClsTPC;
122 TH2F **hESDDalitzPosEleAfterDCAxy;
123 TH2F **hESDDalitzPosEleAfterDCAz;
124 TH2F **hESDDalitzPosEleAfterTPCdEdx;
125 TH2F **hESDDalitzPosEleAfterTPCdEdxSignal;
126 TH1F **hESDMotherPhi;
127 TH2F **hESDEposEnegPsiPairDPhi;
128 TH2F **hESDEposEnegInvMassPt;
129 TH2F **hESDEposEnegLikeSignBackInvMassPt;
130 TH2F **hESDMotherInvMassPt;
131 TH2F **hESDPi0MotherInvMassPt;
132 TH2F **hESDPi0MotherDiffInvMassPt;
133 TH2F **hESDPi0MotherDiffLimInvMassPt;
134 THnSparseF **sESDMotherInvMassPtZM;
135 TH2F **hESDMotherBackInvMassPt;
136 THnSparseF **sESDMotherBackInvMassPtZM;
137 TH1F **hMCAllGammaPt;
138 TH1F **hMCConvGammaPt;
139 TH1F **hMCConvGammaRSPt;
140 TH1F **hMCAllPositronsPt;
141 TH1F **hMCAllElectronsPt;
142 TH1F **hMCPi0DalitzGammaPt;
143 TH1F **hMCPi0DalitzElectronPt;
144 TH1F **hMCPi0DalitzPositronPt;
149 TH1F **hMCPi0InAccPt;
150 TH1F **hMCEtaInAccPt;
152 TH1F **hMCChiCInAccPt;
153 TH2F **hESDEposEnegTruePi0DalitzInvMassPt;
154 TH2F **hESDEposEnegTrueEtaDalitzInvMassPt;
155 TH2F **hESDEposEnegTruePhotonInvMassPt;
156 TH2F **hESDEposEnegTrueJPsiInvMassPt;
157 TH2F **hESDTrueMotherChiCInvMassPt;
158 TH2F **hESDTrueMotherChiCDiffInvMassPt;
159 TH2F **hESDTrueMotherInvMassPt;
160 TH2F **hESDTrueMotherDalitzInvMassPt;
161 TH2F **hESDTrueMotherPi0GGInvMassPt;
162 TH2F **hESDTruePrimaryMotherInvMassMCPt;
163 TH2F **hESDTruePrimaryPi0DalitzESDPtMCPt;
164 TH2F **hESDTrueSecondaryMotherInvMassPt;
165 TH2F **hESDTrueSecondaryMotherFromK0sInvMassPt;
166 TH2F **hESDTrueBckGGInvMassPt;
167 TH2F **hESDTrueBckContInvMassPt;
168 TH2F **hESDTrueMotherGGInvMassPt;
169 TH1F **hESDTrueConvGammaPt;
170 TH1F **hESDTruePositronPt;
171 TH1F **hESDTrueElectronPt;
172 TH1F **hESDTrueSecConvGammaPt;
173 TH1F **hESDTrueSecPositronPt;
174 TH1F **hESDTrueSecElectronPt;
175 TH1F **hESDTruePi0DalitzConvGammaPt;
176 TH1F **hESDTruePi0DalitzPositronPt;
177 TH1F **hESDTruePi0DalitzElectronPt;
178 TH1F **hESDTruePi0DalitzSecConvGammaPt;
179 TH1F **hESDTruePi0DalitzSecPositronPt;
180 TH1F **hESDTruePi0DalitzSecElectronPt;
181 //if(fDoMesonAnalysis){
185 TH1I **hNGoodESDTracks;
188 Double_t *fUnsmearedPx;
189 Double_t *fUnsmearedPy;
190 Double_t *fUnsmearedPz;
191 Double_t *fUnsmearedE;
194 Int_t fNumberOfESDTracks;
195 Bool_t fMoveParticleAccordingToVertex;
197 Bool_t fDoMesonAnalysis;
198 Bool_t fDoChicAnalysis;
200 Bool_t fIsFromMBHeader;
204 AliAnalysisTaskGammaConvDalitzV1( const AliAnalysisTaskGammaConvDalitzV1& ); // Not implemented
205 AliAnalysisTaskGammaConvDalitzV1& operator=( const AliAnalysisTaskGammaConvDalitzV1& ); // Not implemented
207 ClassDef( AliAnalysisTaskGammaConvDalitzV1, 3 );
210 #endif // ALIANALYSISTASKGAMMACONVDALITZV1_H