PWG4/GammaConv/AliAnalysisTaskGammaConversion.h

   1 #ifndef ALIANALYSISTASKGAMMACONVERSION_H
   2 #define ALIANALYSISTASKGAMMACONVERSION_H
   3
   4 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
   5  * See cxx source for full Copyright notice                               */
   6
   7 ////////////////////////////////////////////////
   8 //---------------------------------------------
   9 // Class used to do analysis on conversion pairs
  10 //---------------------------------------------
  11 ////////////////////////////////////////////////
  12
  13 #include "AliAnalysisTaskSE.h"
  14 #include <vector>
  15 #include "AliV0Reader.h"
  16 //#include "AliCFManager.h"  // for CF
  17 //#include "AliCFContainer.h"   // for CF
  18
  19 class AliGammaConversionAODObject;
  20 class TNtuple;
  21 class AliGammaConversionHistograms;
  22 class AliESDv0;
  23 class AliKFParticle;
  24 class AliESDInputHandler;
  25 class AliESDEvent;
  26 class AliAODEvent;
  27 class AliMCEvent;
  28 class TList;
  29 class AliStack;
  30 class AliESDtrackCuts;
  31 class AliCFManager; // for CF
  32 class AliCFContainer; // for CF
  33
  34 class AliAnalysisTaskGammaConversion : public AliAnalysisTaskSE
  35 {
  36
  37  public:
  38   AliAnalysisTaskGammaConversion();
  39   AliAnalysisTaskGammaConversion(const char* name);
  40   virtual ~AliAnalysisTaskGammaConversion() ;// virtual destructor
  41
  42   // Implementation of interface methods
  43   virtual void UserCreateOutputObjects();
  44   virtual void Init();
  45   virtual void LocalInit() {Init();}
  46   virtual void UserExec(Option_t *option);
  47   virtual void Terminate(Option_t *option);
  48   virtual void ConnectInputData(Option_t * option);
  49
  50   void ProcessMCData();
  51   void ProcessV0sNoCut();
  52   void ProcessV0s();
  53   void ProcessGammasForNeutralMesonAnalysis();
  54
  55   // for CF
  56   void SetCFManager(AliCFManager * const io) {fCFManager = io;};
  57   AliCFManager *GetCFManager() const {return fCFManager;}
  58
  59
  60   // AOD
  61   TString GetAODBranchName() const {return  fAODBranchName;}
  62   void SetAODBranchName(TString name)  {fAODBranchName = name ;}
  63   void FillAODWithConversionGammas();
  64   // end AOD
  65
  66
  67   // for GammaJetAnalysis
  68   void ProcessGammasForGammaJetAnalysis();
  69   void CreateListOfChargedParticles();
  70   Double_t GetMinimumDistanceToCharge(Int_t indexHighestPtGamma);
  71   void CalculateJetCone(Int_t gammaIndex);
  72   Int_t GetIndexHighestPtGamma();
  73   void SetESDtrackCuts();
  74   // end of Gamma Jet
  75
  76   void SetMinPtForGammaJet(Double_t minPtForGammaJet){fMinPtForGammaJet=minPtForGammaJet;}
  77   void SetMinIsoConeSize(Double_t minIsoConeSize){fMinIsoConeSize=minIsoConeSize;}
  78   void SetMinPtIsoCone(Double_t minPtIsoCone){fMinPtIsoCone=minPtIsoCone;}
  79   void SetMinPtGamChargedCorr(Double_t minPtGamChargedCorr){fMinPtGamChargedCorr=minPtGamChargedCorr;}
  80   void SetMinPtJetCone(Double_t minPtJetCone){fMinPtJetCone=minPtJetCone;}
  81
  82   void SetLowPtMapping(Double_t lowPtMapping){fLowPtMapping=lowPtMapping;}
  83   void SetHighPtMapping(Double_t highPtMapping){fHighPtMapping=highPtMapping;}
  84
  85
  86   void SetHistograms(AliGammaConversionHistograms *const histograms){fHistograms=histograms;}
  87   void SetTriggerCINT1B(Bool_t flag){fTriggerCINT1B=flag;}
  88   void SetDoMCTruth(Bool_t flag){fDoMCTruth=flag;}
  89   void SetDoNeutralMeson(Bool_t flag){fDoNeutralMeson=flag;}
  90   void SetDoNeutralMesonV0MCCheck(Bool_t flag){fDoNeutralMesonV0MCCheck=flag;}
  91   void SetDoJet(Bool_t flag){fDoJet=flag;}
  92   void SetDoChic(Bool_t flag){fDoChic=flag;}
  93
  94   void SetElectronMass(Double_t electronMass){fElectronMass = electronMass;}
  95   void SetGammaMass(Double_t gammaMass){fGammaMass = gammaMass;}
  96   void SetGammaWidth(Double_t gammaWidth){fGammaWidth = gammaWidth;}
  97   void SetPi0Mass(Double_t pi0Mass){fPi0Mass = pi0Mass;}
  98   void SetPi0Width(Double_t pi0Width){fPi0Width = pi0Width;}
  99   void SetEtaMass(Double_t etaMass){fEtaMass = etaMass;}
 100   void SetEtaWidth(Double_t etaWidth){fEtaWidth = etaWidth;}
 101   void SetMinOpeningAngleGhostCut(Double_t ghostCut){fMinOpeningAngleGhostCut = ghostCut;}
 102   void SetV0Reader(AliV0Reader* const reader){fV0Reader=reader; fV0Reader->SetESDtrackCuts(fEsdTrackCuts);}
 103   void SetCalculateBackground(Bool_t bg){fCalculateBackground=bg;}
 104   void CalculateBackground();
 105   void SetWriteNtuple(Bool_t writeNtuple){fWriteNtuple = writeNtuple;}
 106   void FillNtuple();
 107   Double_t GetMCOpeningAngle(TParticle* const daughter0, TParticle* const daughter1) const;
 108   void CheckV0Efficiency();
 109
 110
 111   //////////////////Chi_c Analysis////////////////////////////
 112   void GetPID(AliESDtrack *track, Stat_t &pid, Stat_t &weight);
 113   double GetSigmaToVertex(AliESDtrack* t);
 114   void ElectronBackground(TString hBg, TClonesArray e);
 115   void FillAngle(TString histoName,TClonesArray const tlVeNeg, TClonesArray const tlVePos);
 116   void FillElectronInvMass(TString histoName, TClonesArray const negativeElectron, TClonesArray const positiveElectron);
 117   void FillGammaElectronInvMass(TString histoMass,TString histoDiff, TClonesArray const fKFGammas, TClonesArray const tlVeNeg,TClonesArray const tlVePos);
 118   void CleanWithAngleCuts(TClonesArray const negativeElectrons, TClonesArray const positiveElectrons, TClonesArray const gammas);
 119   TClonesArray GetTLorentzVector(TClonesArray* esdTrack);
 120   void ProcessGammaElectronsForChicAnalysis();
 121   ///////////////////////////////////////////////////////////////
 122
 123   void SetDoCF(Bool_t flag){fDoCF = flag;}
 124
 125  private:
 126   AliAnalysisTaskGammaConversion(const AliAnalysisTaskGammaConversion&); // Not implemented
 127   AliAnalysisTaskGammaConversion& operator=(const AliAnalysisTaskGammaConversion&); // Not implemented
 128
 129   // for CF
 130   enum{
 131     kStepGenerated = 0,
 132     kStepReconstructable = 1,
 133     kStepLikeSign = 2,
 134     kStepTPCRefit = 3,
 135     kStepKinks = 4,
 136     kStepdEdx = 5,
 137     kStepGetOnFly = 6,
 138     kStepNContributors = 7,
 139     kStepTPCPID = 8,
 140     kStepR = 9,
 141     kStepLine = 10,
 142     kStepZ = 11,
 143     kStepNDF = 12,
 144     kStepChi2 = 13,
 145     kStepEta = 14,
 146     kStepPt = 15,
 147     kStepTrueGamma = 16
 148   };
 149
 150   AliV0Reader* fV0Reader; // The V0 reader object
 151
 152   AliStack * fStack; // pointer to the MC particle stack
 153   AliMCEventHandler *fMCTruth; // for CF   pointer to MCTruth
 154   AliMCEvent *fGCMCEvent;  // for CF    pointer to the MC Event
 155   AliESDEvent* fESDEvent; //pointer to the ESDEvent
 156   TList * fOutputContainer; // Histogram container
 157   AliCFManager *fCFManager;  // for CF
 158   //  AliCFContainer *container;   // for CF
 159
 160
 161
 162   AliGammaConversionHistograms *fHistograms; // Pointer to the histogram handling class
 163   Bool_t fTriggerCINT1B; //Flag to select trigger CINT1B
 164   Bool_t fDoMCTruth; // Flag to switch on/off MC truth
 165   Bool_t fDoNeutralMeson; // flag
 166   Bool_t fDoJet; // flag
 167   Bool_t fDoChic; // flag
 168
 169   TClonesArray * fKFReconstructedGammasTClone; //! transient
 170   TClonesArray * fCurrentEventPosElectronTClone; //! transient
 171   TClonesArray * fCurrentEventNegElectronTClone; //! transient
 172   TClonesArray * fKFReconstructedGammasCutTClone; //! transient
 173   TClonesArray * fPreviousEventTLVNegElectronTClone; //! transient
 174   TClonesArray * fPreviousEventTLVPosElectronTClone; //! transient
 175
 176   //  vector<AliKFParticle> fKFReconstructedGammas; // vector containing all reconstructed gammas
 177   vector<Int_t> fElectronv1; // vector containing index of electron 1
 178   vector<Int_t> fElectronv2; // vector containing index of electron 2
 179
 180   ///////Chi_c Analysis///////////////////////////
 181   //  vector<AliESDtrack*> fCurrentEventPosElectron;       // comment here
 182   //  vector<AliESDtrack*> fCurrentEventNegElectron;       // comment here
 183   //  vector<AliKFParticle> fKFReconstructedGammasCut;     // comment here
 184   //  vector<TLorentzVector> fPreviousEventTLVNegElectron; // comment here
 185   //  vector<TLorentzVector> fPreviousEventTLVPosElectron; // comment here
 186   //////////////////////////////////////////////////
 187
 188   //mass defines
 189   Double_t fElectronMass; //electron mass
 190   Double_t fGammaMass;    //gamma mass
 191   Double_t fPi0Mass;      //pi0mass
 192   Double_t fEtaMass;      //eta mass
 193
 194   // width defines
 195   Double_t fGammaWidth; //gamma width cut
 196   Double_t fPi0Width;   // pi0 width cut
 197   Double_t fEtaWidth;   // eta width cut
 198
 199   Double_t fMinOpeningAngleGhostCut; // minimum angle cut
 200
 201   AliESDtrackCuts* fEsdTrackCuts;           // Object containing the parameters of the esd track cuts
 202
 203   Bool_t fCalculateBackground; //flag to set backgrount calculation on/off
 204   Bool_t fWriteNtuple;         // flag to set if writing to ntuple on/off
 205   TNtuple *fGammaNtuple;       // Ntuple for gamma values
 206   TNtuple *fNeutralMesonNtuple;// NTuple for mesons
 207
 208   Int_t fTotalNumberOfAddedNtupleEntries; // number of added ntuple entries
 209
 210   TClonesArray* fChargedParticles;  //! transient
 211   vector<Int_t> fChargedParticlesId;  //! transient
 212
 213   Double_t fGammaPtHighest;  //! transient
 214   Double_t fMinPtForGammaJet;  //! transient
 215   Double_t fMinIsoConeSize; //! transient
 216   Double_t fMinPtIsoCone; //! transient
 217   Double_t fMinPtGamChargedCorr; //! transient
 218   Double_t fMinPtJetCone; //! transient
 219   Int_t    fLeadingChargedIndex; //! transient
 220   Double_t fLowPtMapping; //! transient
 221   Double_t fHighPtMapping; //! transient
 222   Bool_t fDoCF; //! transient
 223
 224   TClonesArray* fAODBranch ;        //! selected particles branch
 225   TString fAODBranchName; // New AOD branch name
 226
 227   Bool_t fDoNeutralMesonV0MCCheck; //flag
 228
 229   vector<Int_t>fKFReconstructedGammasV0Index; // index of the reconstructed v0s
 230
 231   ClassDef(AliAnalysisTaskGammaConversion, 7); // Analysis task for gamma conversions
 232 };
 233
 234 #endif //ALIANALYSISTASKGAMMA_H