PWGGA/GammaConv/AliAnalysisTaskGammaConvCalo.h

   1 #ifndef ALIANLYSISTASKGAMMACONVCALO_cxx
   2 #define ALIANLYSISTASKGAMMACONVCALO_cxx
   3
   4 #include "AliAnalysisTaskSE.h"
   5 #include "AliESDtrack.h"
   6 #include "AliV0ReaderV1.h"
   7 #include "AliKFConversionPhoton.h"
   8 #include "AliGammaConversionAODBGHandler.h"
   9 #include "AliConversionAODBGHandlerRP.h"
  10 #include "AliCaloPhotonCuts.h"
  11 #include "AliConvEventCuts.h"
  12 #include "AliConversionPhotonCuts.h"
  13 #include "AliConversionMesonCuts.h"
  14 #include "AliAnalysisManager.h"
  15 #include "TProfile2D.h"
  16 #include "TH3.h"
  17 #include "TH3F.h"
  18
  19 class AliAnalysisTaskGammaConvCalo : public AliAnalysisTaskSE {
  20         public:
  21
  22                 AliAnalysisTaskGammaConvCalo();
  23                 AliAnalysisTaskGammaConvCalo(const char *name);
  24                 virtual ~AliAnalysisTaskGammaConvCalo();
  25
  26                 virtual void   UserCreateOutputObjects();
  27                 virtual Bool_t Notify();
  28                 virtual void   UserExec(Option_t *);
  29                 virtual void   Terminate(const Option_t*);
  30                 void InitBack();
  31
  32                 void SetIsHeavyIon(Int_t flag){
  33                         fIsHeavyIon = flag;
  34                 }
  35
  36                 // base functions for selecting photon and meson candidates in reconstructed data
  37                 void ProcessClusters();
  38                 void ProcessPhotonCandidates();
  39                 void PhotonTagging();
  40                 void CalculatePi0Candidates();
  41
  42                 // MC functions
  43                 void SetIsMC(Bool_t isMC){fIsMC=isMC;}
  44                 void ProcessMCParticles();
  45                 void ProcessAODMCParticles();
  46                 void RelabelAODPhotonCandidates(Bool_t mode);
  47                 void ProcessTruePhotonCandidates( AliAODConversionPhoton* TruePhotonCandidate);
  48                 void ProcessTrueClusterCandidates( AliAODConversionPhoton* TruePhotonCandidate);
  49                 void ProcessTrueClusterCandidatesAOD( AliAODConversionPhoton* TruePhotonCandidate);
  50                 void ProcessTruePhotonCandidatesAOD( AliAODConversionPhoton* TruePhotonCandidate);
  51                 void ProcessTrueMesonCandidates( AliAODConversionMother *Pi0Candidate, AliAODConversionPhoton *TrueGammaCandidate0, AliAODConversionPhoton *TrueGammaCandidate1, Bool_t matched);
  52                 void ProcessTrueMesonCandidatesAOD(AliAODConversionMother *Pi0Candidate, AliAODConversionPhoton *TrueGammaCandidate0, AliAODConversionPhoton *TrueGammaCandidate1, Bool_t matched);
  53
  54                 // switches for additional analysis streams or outputs
  55                 void SetDoMesonAnalysis(Bool_t flag){fDoMesonAnalysis = flag;}
  56                 void SetDoMesonQA(Int_t flag){fDoMesonQA = flag;}
  57                 void SetDoPhotonQA(Int_t flag){fDoPhotonQA = flag;}
  58                 void SetDoClusterQA(Int_t flag){fDoClusterQA = flag;}
  59
  60             // Setting the cut lists for the conversion photons
  61                 void SetEventCutList(Int_t nCuts, TList *CutArray){
  62                         fnCuts = nCuts;
  63                         fEventCutArray = CutArray;
  64                 }
  65
  66                 // Setting the cut lists for the conversion photons
  67                 void SetConversionCutList(Int_t nCuts, TList *CutArray){
  68                         fnCuts = nCuts;
  69                         fCutArray = CutArray;
  70                 }
  71
  72             // Setting the cut lists for the calo photons
  73                 void SetCaloCutList(Int_t nCuts, TList *CutArray){
  74                         fnCuts = nCuts;
  75                         fClusterCutArray = CutArray;
  76                 }
  77
  78                 // Setting the cut lists for the meson
  79                 void SetMesonCutList(Int_t nCuts, TList *CutArray){
  80                         fnCuts = nCuts;
  81                         fMesonCutArray = CutArray;
  82                 }
  83
  84                 // BG HandlerSettings
  85                 void CalculateBackground();
  86                 void CalculateBackgroundRP();
  87                 void RotateParticle(AliAODConversionPhoton *gamma);
  88                 void RotateParticleAccordingToEP(AliAODConversionPhoton *gamma, Double_t previousEventEP, Double_t thisEventEP);
  89                 void SetMoveParticleAccordingToVertex(Bool_t flag){fMoveParticleAccordingToVertex = flag;}
  90                 void FillPhotonCombinatorialBackgroundHist(AliAODConversionPhoton *TruePhotonCandidate, Int_t pdgCode[]);
  91                 void MoveParticleAccordingToVertex(AliAODConversionPhoton* particle,const AliGammaConversionAODBGHandler::GammaConversionVertex *vertex);
  92                 void UpdateEventByEventData();
  93
  94                 // Additional functions for convenience
  95                 void SetLogBinningXTH2(TH2* histoRebin);
  96                 Int_t GetSourceClassification(Int_t daughter, Int_t pdgCode);
  97
  98         protected:
  99                 AliV0ReaderV1                                           *fV0Reader;                                                     // basic photon Selection Task
 100                 AliGammaConversionAODBGHandler          **fBGHandler;                                           // BG handler for Conversion
 101                 AliConversionAODBGHandlerRP             **fBGHandlerRP;                                         // BG handler for Conversion (possibility to mix with respect to RP)
 102                 AliGammaConversionAODBGHandler          **fBGClusHandler;                                       // BG handler for Cluster
 103                 AliConversionAODBGHandlerRP             **fBGClusHandlerRP;                             // BG handler for Cluster (possibility to mix with respect to RP)
 104                 AliVEvent                                                       *fInputEvent;                                           // current event
 105                 AliMCEvent                                                      *fMCEvent;                                                      // corresponding MC event
 106                 AliStack                                                        *fMCStack;                                                      // stack belonging to MC event
 107 //              AliESDEvent                                                     *fEsdEv;                                                        //!pointer to input esd event
 108 //              AliAODEvent                                                     *fAodEv;                                                        //!pointer to input aod event
 109 //              TObjArray                                                       *fEsdClusters;                                          //!pointer to esd clusters
 110 //              AliESDCaloCells                                         *fEsdCells;                                                     //!pointer to esd cells
 111 //              TObjArray                                                       *fAodClusters;                                          //!pointer to aod clusters
 112 //              AliAODCaloCells                                         *fAodCells;                                                     //!pointer to aod cells
 113                 TList                                                           **fCutFolder;                                           // Array of lists for containers belonging to cut
 114                 TList                                                           **fESDList;                                                     // Array of lists with histograms with reconstructed properties
 115                 TList                                                           **fBackList;                                            // Array of lists with BG THnSparseF
 116                 TList                                                           **fMotherList;                                          // Array of lists with Signal THnSparseF
 117                 TList                                                           **fPhotonDCAList;                                       // Array of lists with photon dca trees
 118                 TList                                                           **fMesonDCAList;                                        // Array of lists with meson dca trees
 119                 TList                                                           **fTrueList;                                            // Array of lists with histograms with MC validated reconstructed properties
 120                 TList                                                           **fMCList;                                                      // Array of lists with histograms with pure MC information
 121                 TList                                                           **fHeaderNameList;                                      // Array of lists with header names for MC header selection
 122                 TList                                                           **fClusterOutputList;                           //!Array of lists of output histograms for cluster photons
 123                 TList                                                           *fOutputContainer;                                      // Output container
 124                 TClonesArray                                            *fReaderGammas;                                         // Array with conversion photons selected by V0Reader Cut
 125                 TList                                                           *fGammaCandidates;                                      // current list of photon candidates
 126                 TList                                                           *fClusterCandidates;                            //! current list of cluster candidates
 127                 TList                                                           *fEventCutArray;                                        // List with Event Cuts
 128                 AliConvEventCuts                                        *fEventCuts;                                            // EventCutObject
 129                 TList                                                           *fCutArray;                                                     // List with Conversion Cuts
 130                 AliConversionPhotonCuts                         *fConversionCuts;                                       // ConversionCutObject
 131                 TList                                                           *fClusterCutArray;                                      // List with Cluster Cuts
 132                 AliCaloPhotonCuts                                       *fCaloPhotonCuts;                                       // CaloPhotonCutObject
 133                 TList                                                           *fMesonCutArray;                                        // List with Meson Cuts
 134                 AliConversionMesonCuts                          *fMesonCuts;                                            // MesonCutObject
 135
 136                 //histograms for Conversions reconstructed quantities
 137                 TH1F                                                            **fHistoConvGammaPt;                            //! histogram conversion photon pT
 138                 TH1F                                                            **fHistoConvGammaR;                                     //! histogram conversion photon R
 139                 TH1F                                                            **fHistoConvGammaEta;                           //! histogram conversion photon Eta
 140                 TTree                                                           **fTreeConvGammaPtDcazCat;                      //! tree with dca for conversions
 141                 Float_t                                                         fPtGamma;                                                       //! pt of conversion for tree
 142                 Float_t                                                         fDCAzPhoton;                                            //! dcaz of conversion for tree
 143                 Float_t                                                         fRConvPhoton;                                           //! R of conversion for tree
 144                 Float_t                                                         fEtaPhoton;                                                     //! eta of conversion for tree
 145                 UChar_t                                                         fCharCatPhoton;                                         //! category of conversion for tree
 146                 UChar_t                                                         fCharPhotonMCInfo;                                      //! MC info of conversion for tree
 147                                                                                         // 0: garbage,
 148                                                                                         // 1: background
 149                                                                                         // 2: secondary photon not from eta or k0s,
 150                                                                                         // 3: secondary photon from eta,
 151                                                                                         // 4: secondary photon from k0s,
 152                                                                                         // 5: dalitz
 153                                                                                         // 6: primary gamma
 154                 //histograms for mesons reconstructed quantities
 155                 TH2F                                                            **fHistoMotherInvMassPt;                        //! array of histogram with signal + BG for same event photon pairs, inv Mass, pt
 156                 TH2F                                                            **fHistoMotherMatchedInvMassPt;         //! array of histogram with signal + BG for same event photon pairs, inv Mass, pt
 157                 THnSparseF                                                      **fSparseMotherInvMassPtZM;                     //! array of THnSparseF with signal + BG for same event photon pairs, inv Mass, pt
 158                 TH2F                                                            **fHistoMotherBackInvMassPt;            //! array of histogram with BG for mixed event photon pairs, inv Mass, pt
 159                 THnSparseF                                                      **fSparseMotherBackInvMassPtZM;         //! array of THnSparseF with BG for same event photon pairs, inv Mass, pt
 160                 TH2F                                                            **fHistoMotherInvMassEalpha;            //! array of histograms with alpha cut of 0.1 for inv mass vs pt
 161                 TH2F                                                            **fHistoMotherPi0PtY;                           //! array of histograms with invariant mass cut of 0.05 && pi0cand->M() < 0.17, pt, Y
 162                 TH2F                                                            **fHistoMotherEtaPtY;                           //! array of histograms with invariant mass cut of 0.45 && pi0cand->M() < 0.65, pt, Y
 163                 TH2F                                                            **fHistoMotherPi0PtAlpha;                       //! array of histograms with invariant mass cut of 0.05 && pi0cand->M() < 0.17, pt, alpha
 164                 TH2F                                                            **fHistoMotherEtaPtAlpha;                       //! array of histograms with invariant mass cut of 0.45 && pi0cand->M() < 0.65, pt, alpha
 165                 TH2F                                                            **fHistoMotherPi0PtOpenAngle;           //! array of histograms with invariant mass cut of 0.05 && pi0cand->M() < 0.17, pt, openAngle
 166                 TH2F                                                            **fHistoMotherEtaPtOpenAngle;           //! array of histograms with invariant mass cut of 0.45 && pi0cand->M() < 0.65, pt, openAngle
 167         TH2F                                **fHistoMotherPi0ConvPhotonEtaPhi;  //! array of histograms with invariant mass cut of 0.05 && pi0cand->M() < 0.17 ,eta/phi of conversion photon
 168         TH2F                                **fHistoMotherEtaConvPhotonEtaPhi;  //! array of histograms with invariant mass cut of 0.45 && pi0cand->M() < 0.65 ,eta/phi of conversion photon
 169                 TH2F                                                            **fHistoMotherInvMassECalib;            //! array of histogram with signal + BG for same event photon pairs, inv Mass, energy of cluster
 170                 TH2F                                                            **fHistoMotherInvMassECalibalpha;       //! array of histogram with signal + BG for same event photon pairs, inv Mass, energy of cluster, alpha cut 0.1
 171
 172                 // histograms for rec photons tagged by Calo
 173                 TH2F                                                            **fHistoPhotonPairPtconv;                       //! array of histo for pairs vs. pt of converted photon
 174                 TH2F                                                            **fHistoPhotonPairMixedEventPtconv;                     //! array of histo for pairs vs. pt of converted photon
 175                 // histograms for rec photon clusters
 176                 TH1F                                                            ** fHistoClusGammaPt;                           //! array of histos with cluster, pt
 177                 TH1F                                                            ** fHistoClusOverlapHeadersGammaPt;     //! array of histos with cluster, pt overlapping with other headers
 178
 179                 //histograms for pure MC quantities
 180                 TH1I                                                            **fHistoMCHeaders;                                      //! array of histos for header names
 181                 TH1F                                                            **fHistoMCAllGammaPt;                           //! array of histos with all gamma, pT
 182                 TH1F                                                            **fHistoMCAllGammaEMCALAccPt;           //! array of histos with all gamma in EMCAL acceptance, pT
 183                 TH1F                                                            **fHistoMCDecayGammaPi0Pt;                      //! array of histos with decay gamma from pi0, pT
 184                 TH1F                                                            **fHistoMCDecayGammaRhoPt;                      //! array of histos with decay gamma from rho, pT
 185                 TH1F                                                            **fHistoMCDecayGammaEtaPt;                      //! array of histos with decay gamma from eta, pT
 186                 TH1F                                                            **fHistoMCDecayGammaOmegaPt;            //! array of histos with decay gamma from omega, pT
 187                 TH1F                                                            **fHistoMCDecayGammaEtapPt;                     //! array of histos with decay gamma from eta', pT
 188                 TH1F                                                            **fHistoMCDecayGammaPhiPt;                      //! array of histos with decay gamma from phi, pT
 189                 TH1F                                                            **fHistoMCDecayGammaSigmaPt;            //! array of histos with decay gamma from Sigma0, pT
 190                 TH1F                                                            **fHistoMCConvGammaPt;                          //! array of histos with converted gamma, pT
 191                 TH1F                                                            **fHistoMCConvGammaR;                           //! array of histos with converted gamma, R
 192                 TH1F                                                            **fHistoMCConvGammaEta;                         //! array of histos with converted gamma, Eta
 193                 TH1F                                                            **fHistoMCPi0Pt;                                        //! array of histos with weighted pi0, pT
 194                 TH1F                                                            **fHistoMCPi0WOWeightPt;                        //! array of histos with unweighted pi0, pT
 195                 TH1F                                                            **fHistoMCEtaPt;                                        //! array of histos with weighted eta, pT
 196                 TH1F                                                            **fHistoMCEtaWOWeightPt;                        //! array of histos with unweighted eta, pT
 197                 TH1F                                                            **fHistoMCPi0InAccPt;                           //! array of histos with weighted pi0 in acceptance, pT
 198                 TH1F                                                            **fHistoMCEtaInAccPt;                           //! array of histos with weighted eta in acceptance, pT
 199                 TH2F                                                            **fHistoMCPi0PtY;                                       //! array of histos with weighted pi0, pT, Y
 200                 TH2F                                                            **fHistoMCEtaPtY;                                       //! array of histos with weighted eta, pT, Y
 201                 TH2F                                                            **fHistoMCPi0PtAlpha;                                   //! array of histos with weighted pi0, pT, alpha
 202                 TH2F                                                            **fHistoMCEtaPtAlpha;                                   //! array of histos with weighted eta, pT, alpha
 203                 TH1F                                                            **fHistoMCK0sPt;                                        //! array of histos with weighted K0s, pT
 204                 TH1F                                                            **fHistoMCK0sWOWeightPt;                        //! array of histos with unweighted K0s, pT
 205                 TH2F                                                            **fHistoMCK0sPtY;                                       //! array of histos with weighted K0s, pT, Y
 206                 TH2F                                                            **fHistoMCSecPi0PtvsSource;                     //! array of histos with secondary pi0, pT, source
 207                 TH1F                                                            **fHistoMCSecPi0Source;                         //! array of histos with secondary pi0, source
 208                 TH1F                                                            **fHistoMCSecEtaPt;                                     //! array of histos with secondary eta, pT
 209                 TH1F                                                            **fHistoMCSecEtaSource;                         //! array of histos with secondary eta, source
 210                 // MC validated reconstructed quantities mesons
 211                 TH2F                                                            **fHistoTruePi0InvMassPt;                                               //! array of histos with validated pi0, invMass, pt
 212                 TH2F                                                            **fHistoTrueEtaInvMassPt;                                               //! array of histos with validated eta, invMass, pt
 213                 TH2F                                                            **fHistoTruePi0CaloPhotonInvMassPt;                             //! array of histos with validated pi0, photon leading, invMass, pt
 214                 TH2F                                                            **fHistoTrueEtaCaloPhotonInvMassPt;                             //! array of histos with validated eta, photon leading, invMass, pt
 215                 TH2F                                                            **fHistoTruePi0CaloConvertedPhotonInvMassPt;    //! array of histos with validated pi0, converted photon leading, invMass, pt
 216                 TH2F                                                            **fHistoTruePi0CaloConvertedPhotonMatchedInvMassPt;     //! array of histos with validated pi0 matched with conv photon, converted photon leading, invMass, pt
 217                 TH2F                                                            **fHistoTrueEtaCaloConvertedPhotonInvMassPt;    //! array of histos with validated eta, converted photon leading, invMass, pt
 218                 TH2F                                                            **fHistoTrueEtaCaloConvertedPhotonMatchedInvMassPt;     //! array of histos with validated eta matched with conv photon, converted photon leading, invMass, pt
 219                 TH2F                                                            **fHistoTruePi0CaloElectronInvMassPt;                   //! array of histos with validated mothers, electron leading, invMass, pt
 220                 TH2F                                                            **fHistoTrueEtaCaloElectronInvMassPt;                   //! array of histos with validated mothers, electron leading, invMass, pt
 221                 TH2F                                                            **fHistoTruePi0CaloMergedClusterInvMassPt;              //! array of histos with validated mothers, merged cluster invMass, pt
 222                 TH2F                                                            **fHistoTrueEtaCaloMergedClusterInvMassPt;              //! array of histos with validated mothers, merged cluster invMass, pt
 223                 TH2F                                                            **fHistoTrueMotherCaloEMNonLeadingInvMassPt;    //! array of histos with validated mothers, EM non leading, invMass, pt
 224                 TH2F                                                            **fHistoTruePi0CaloMergedClusterPartConvInvMassPt; //! array of histos with validated mothers, merged cluster part conv, invMass, pt
 225                 TH2F                                                            **fHistoTrueEtaCaloMergedClusterPartConvInvMassPt; //! array of histos with validated mothers, merged cluster part conv, invMass, pt
 226                 TH2F                                                            **fHistoTruePrimaryPi0InvMassPt;                                //! array of histos with validated weighted primary mothers, invMass, pt
 227                 TH2F                                                            **fHistoTruePrimaryEtaInvMassPt;                                //! array of histos with validated weighted primary mothers, invMass, pt
 228                 TH2F                                                            **fHistoTruePrimaryPi0W0WeightingInvMassPt;             //! array of histos with validated unweighted primary mothers, invMass, pt
 229                 TH2F                                                            **fHistoTruePrimaryEtaW0WeightingInvMassPt;             //! array of histos with validated unweighted primary mothers, invMass, pt
 230                 TProfile2D                                                      **fProfileTruePrimaryPi0WeightsInvMassPt;               //! array of profiles with weights for validated primary mothers, invMass, pt
 231                 TProfile2D                                                      **fProfileTruePrimaryEtaWeightsInvMassPt;               //! array of profiles with weights for validated primary mothers, invMass, pt
 232                 TH2F                                                            **fHistoTruePrimaryPi0MCPtResolPt;                              //! array of histos with validated weighted primary pi0, MCpt, resol pt
 233                 TH2F                                                            **fHistoTruePrimaryEtaMCPtResolPt;                              //! array of histos with validated weighted primary eta, MCpt, resol pt
 234         TH2F                                **fHistoTrueMotherPi0ConvPhotonEtaPhi;              //! array of histograms with invariant mass cut of 0.05 && pi0cand->M() < 0.17 ,eta/phi of conversion photon
 235         TH2F                                **fHistoTrueMotherEtaConvPhotonEtaPhi;              //! array of histograms with invariant mass cut of 0.45 && pi0cand->M() < 0.65 ,eta/phi of conversion photon
 236                 TH2F                                                            **fHistoTrueSecondaryPi0InvMassPt;                              //! array of histos with validated secondary mothers, invMass, pt
 237                 TH2F                                                            **fHistoTrueSecondaryEtaInvMassPt;                              //! array of histos with validated secondary mothers, invMass, pt
 238                 TH2F                                                            **fHistoTrueSecondaryPi0FromK0sInvMassPt;               //! array of histos with validated secondary mothers from K0s, invMass, pt
 239                 TH1F                                                            **fHistoTrueK0sWithPi0DaughterMCPt;                             //! array of histos with K0s with reconstructed pi0 as daughter, pt
 240                 TH2F                                                            **fHistoTrueSecondaryPi0FromEtaInvMassPt;               //! array of histos with validated secondary mothers from eta, invMass, pt
 241                 TH1F                                                            **fHistoTrueEtaWithPi0DaughterMCPt;                             //! array of histos with eta with reconstructed pi0 as daughter, pt
 242                 TH2F                                                            **fHistoTrueSecondaryPi0FromLambdaInvMassPt;    //! array of histos with validated secondary mothers from Lambda, invMass, pt
 243                 TH1F                                                            **fHistoTrueLambdaWithPi0DaughterMCPt;                  //! array of histos with lambda with reconstructed pi0 as daughter, pt
 244                 TH2F                                                            **fHistoTrueBckGGInvMassPt;                                             //! array of histos with pure gamma gamma combinatorial BG, invMass, pt
 245                 TH2F                                                            **fHistoTrueBckContInvMassPt;                                   //! array of histos with contamination BG, invMass, pt
 246                 TH2F                                                            **fHistoTruePi0PtY;                                                             //! array of histos with validated pi0, pt, Y
 247                 TH2F                                                            **fHistoTrueEtaPtY;                                                             //! array of histos with validated eta, pt, Y
 248                 TH2F                                                            **fHistoTruePi0PtAlpha;                                                 //! array of histos with validated pi0, pt, alpha
 249                 TH2F                                                            **fHistoTrueEtaPtAlpha;                                                 //! array of histos with validated eta, pt, alpha
 250                 TH2F                                                            **fHistoTruePi0PtOpenAngle;                                             //! array of histos with validated pi0, pt, openAngle
 251                 TH2F                                                            **fHistoTrueEtaPtOpenAngle;                                             //! array of histos with validated eta, pt, openAngle
 252                 // MC validated reconstructed quantities photons
 253                 TH1F                                                            **fHistoTrueConvGammaPt;                                                //! array of histos with validated conversion photon, pt
 254                 TH1F                                                            **fHistoTrueConvPi0GammaPt;                                             //! array of histos with validated conversion photon from pi0, pt
 255                 TH1F                                                            **fHistoTrueConvGammaEta;                                               //! array of histos with validated conversion photon, eta
 256                 TH2F                                                            **fHistoCombinatorialPt;                                                //! array of histos with combinatorial BG, pt, source
 257                 TH1F                                                            **fHistoTruePrimaryConvGammaPt;                                 //! array of histos with validated primary conversion photon, pt
 258                 TH2F                                                            **fHistoTruePrimaryConvGammaESDPtMCPt;                  //! array of histos with validated primary conversion photon, rec pt, mc pt
 259                 TH1F                                                            **fHistoTrueSecondaryConvGammaPt;                               //! array of histos with validated secondary conversion photon, pt
 260                 TH1F                                                            **fHistoTrueSecondaryConvGammaFromXFromK0sPt;   //! array of histos with validated secondary conversion photon from K0s, pt
 261                 TH1F                                                            **fHistoTrueSecondaryConvGammaFromXFromLambdaPt;//! array of histos with validated secondary conversion photon from Lambda, pt
 262                 TH1F                                                            **fHistoTrueClusGammaPt;                                                //! array of histos with validated cluster (electron or photon), pt
 263                 TH1F                                                            **fHistoTrueClusUnConvGammaPt;                                  //! array of histos with validated unconverted photon, pt
 264                 TH1F                                                            **fHistoTrueClusUnConvGammaMCPt;                                        //! array of histos with validated unconverted photon, pt
 265                 TH1F                                                            **fHistoTrueClusElectronPt;                                             //! array of histos with validated electron, pt
 266                 TH1F                                                            **fHistoTrueClusConvGammaPt;                                    //! array of histos with validated converted photon, pt
 267                 TH1F                                                            **fHistoTrueClusConvGammaMCPt;                                  //! array of histos with validated converted photon, pt
 268                 TH1F                                                            **fHistoTrueClusConvGammaFullyPt;                               //! array of histos with validated converted photon, fully contained, pt
 269                 TH1F                                                            **fHistoTrueClusMergedGammaPt;                                  //! array of histos with validated merged photons, electrons, dalitz, pt
 270                 TH1F                                                            **fHistoTrueClusMergedPartConvGammaPt;                  //! array of histos with validated merged partially converted photons, pt
 271                 TH1F                                                            **fHistoTrueClusDalitzPt;                                               //! array of histos with validated Dalitz decay, pt
 272                 TH1F                                                            **fHistoTrueClusDalitzMergedPt;                                 //! array of histos with validated Dalitz decay, more than one decay product in cluster, pt
 273                 TH1F                                                            **fHistoTrueClusPhotonFromElecMotherPt;                 //! array of histos with validated photon from electron, pt
 274                 TH1F                                                            **fHistoTrueClusShowerPt;                                               //! array of histos with validated shower, pt
 275         TH1F                                **fHistoTrueClusSubLeadingPt;                   //! array of histos with pi0/eta/eta_prime in subleading contribution
 276         TH1I                                **fHistoTrueClusNParticles;                     //! array of histos with number of different particles (pi0/eta/eta_prime) contributing to cluster
 277                 TH1F                                                            **fHistoTrueClusEMNonLeadingPt;                                 //! array of histos with cluster with largest energy by hadron
 278                 TH1F                                                            **fHistoTrueNLabelsInClus;                                              //! array of histos with number of labels in cluster
 279                 TH1F                                                            **fHistoTruePrimaryClusGammaPt;                                 //! array of histos with validated primary cluster, pt
 280                 TH2F                                                            **fHistoTruePrimaryClusGammaESDPtMCPt;                  //! array of histos with validated primary cluster, rec Pt, MC pt
 281                 TH2F                                                            **fHistoTruePrimaryPi0PhotonPairPtconv;                 //! array of histos with validated primary pi0's vs conversion photon pT
 282                 TH2F                                                            **fHistoTruePrimaryEtaPhotonPairPtconv;                 //! array of histos with validated primary eta's vs conversion photon pT
 283                 TH2F                                                            **fHistoTrueSecondaryPi0PhotonPairPtconv;               //! array of histos with validated secondary pi0's vs conversion photon pT
 284                 TH2F                                                            **fHistoTrueSecondaryEtaPhotonPairPtconv;               //! array of histos with validated secondary eta's vs conversion photon pT
 285
 286                 // event histograms
 287                 TH1I                                                            **fHistoNEvents;                                                                //! array of histos with event information
 288                 TH1I                                                            **fHistoNGoodESDTracks;                                                 //! array of histos with number of good tracks (2010 Standard track cuts)
 289                 TH1I                                                            **fHistoNGammaCandidates;                                               //! array of histos with number of gamma candidates per event
 290                 TH2F                                                            **fHistoNGoodESDTracksVsNGammaCanditates;               //! array of histos with number of good tracks vs gamma candidates
 291                 TH1I                                                            **fHistoNV0Tracks;                                                              //! array of histos with V0 counts
 292                 TProfile                                                        **fProfileEtaShift;                                                             //! array of profiles with eta shift
 293
 294                 // additional variables
 295                 Double_t                                                        fEventPlaneAngle;                                       // EventPlaneAngle
 296                 TRandom3                                                        fRandom;                                                        // random
 297                 Int_t                                                           fNGammaCandidates;                                      // number of gamma candidates in event
 298                 Double_t                                                        *fUnsmearedPx;                                          //[fNGammaCandidates]
 299                 Double_t                                                        *fUnsmearedPy;                                          //[fNGammaCandidates]
 300                 Double_t                                                        *fUnsmearedPz;                                          //[fNGammaCandidates]
 301                 Double_t                                                        *fUnsmearedE;                                           //[fNGammaCandidates]
 302                 Int_t                                                           *fMCStackPos;                                           //[fNGammaCandidates]
 303                 Int_t                                                           *fMCStackNeg;                                           //[fNGammaCandidates]
 304                 Int_t                                                           *fESDArrayPos;                                          //[fNGammaCandidates]
 305                 Int_t                                                           *fESDArrayNeg;                                          //[fNGammaCandidates]
 306                 Int_t                                                           fnCuts;                                                         // number of cuts to be analysed in parallel
 307                 Int_t                                                           fiCut;                                                          // current cut
 308                 Bool_t                                                          fMoveParticleAccordingToVertex;         // boolean for BG calculation
 309                 Int_t                                                           fIsHeavyIon;                                            // switch for pp = 0, PbPb = 1, pPb = 2
 310                 Bool_t                                                          fDoMesonAnalysis;                                       // flag for meson analysis
 311                 Int_t                                                           fDoMesonQA;                                                     // flag for meson QA
 312                 Int_t                                                           fDoPhotonQA;                                            // flag for photon QA
 313                 Int_t                                                           fDoClusterQA;                                           // flag for cluster QA
 314                 Bool_t                                                          fIsFromMBHeader;                                        // flag for MC headers
 315                 Bool_t                                                          fIsOverlappingWithOtherHeader;          // flag for particles in MC overlapping between headers
 316                 Bool_t                                                          fIsMC;                                                          // flag for MC information
 317
 318
 319         private:
 320                 AliAnalysisTaskGammaConvCalo(const AliAnalysisTaskGammaConvCalo&); // Prevent copy-construction
 321                 AliAnalysisTaskGammaConvCalo &operator=(const AliAnalysisTaskGammaConvCalo&); // Prevent assignment
 322
 323                 ClassDef(AliAnalysisTaskGammaConvCalo, 4);
 324 };
 325
 326 #endif