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   void ProcessGammasForOmegaMesonAnalysis();
  55   void ProcessConvPHOSGammasForNeutralMesonAnalysis();
  56
  57   // for CF
  58   void SetCFManager(AliCFManager * const io) {fCFManager = io;};
  59   AliCFManager *GetCFManager() const {return fCFManager;}
  60
  61
  62   // AOD
  63   TString GetAODBranchName() const {return  fAODBranchName;}
  64   void SetAODBranchName(TString name)  {fAODBranchName = name ;}
  65   void FillAODWithConversionGammas();
  66   // end AOD
  67
  68   static Bool_t IsGoodImpPar(AliESDtrack *const track);
  69
  70   // for GammaJetAnalysis
  71   void ProcessGammasForGammaJetAnalysis();
  72   void CreateListOfChargedParticles();
  73   Double_t GetMinimumDistanceToCharge(Int_t indexHighestPtGamma);
  74   void CalculateJetCone(Int_t gammaIndex);
  75   Int_t GetIndexHighestPtGamma();
  76   void SetESDtrackCuts();
  77   // end of Gamma Jet
  78
  79   void SetMinPtForGammaJet(Double_t minPtForGammaJet){fMinPtForGammaJet=minPtForGammaJet;}
  80   void SetMinIsoConeSize(Double_t minIsoConeSize){fMinIsoConeSize=minIsoConeSize;}
  81   void SetMinPtIsoCone(Double_t minPtIsoCone){fMinPtIsoCone=minPtIsoCone;}
  82   void SetMinPtGamChargedCorr(Double_t minPtGamChargedCorr){fMinPtGamChargedCorr=minPtGamChargedCorr;}
  83   void SetMinPtJetCone(Double_t minPtJetCone){fMinPtJetCone=minPtJetCone;}
  84
  85   void SetLowPtMapping(Double_t lowPtMapping){fLowPtMapping=lowPtMapping;}
  86   void SetHighPtMapping(Double_t highPtMapping){fHighPtMapping=highPtMapping;}
  87
  88
  89   void SetHistograms(AliGammaConversionHistograms *const histograms){fHistograms=histograms;}
  90   void SetTriggerCINT1B(Bool_t flag){fTriggerCINT1B=flag;}
  91   void SetDoMCTruth(Bool_t flag){fDoMCTruth=flag;}
  92   void SetDoNeutralMeson(Bool_t flag){fDoNeutralMeson=flag;}
  93   void SetDoOmegaMeson(Bool_t flag){fDoOmegaMeson=flag;}
  94   void SetDoNeutralMesonV0MCCheck(Bool_t flag){fDoNeutralMesonV0MCCheck=flag;}
  95   void SetDoJet(Bool_t flag){fDoJet=flag;}
  96   void SetDoChic(Bool_t flag){fDoChic=flag;}
  97
  98   void SetElectronMass(Double_t electronMass){fElectronMass = electronMass;}
  99   void SetGammaMass(Double_t gammaMass){fGammaMass = gammaMass;}
 100   void SetGammaWidth(Double_t gammaWidth){fGammaWidth = gammaWidth;}
 101   void SetPi0Mass(Double_t pi0Mass){fPi0Mass = pi0Mass;}
 102   void SetPi0Width(Double_t pi0Width){fPi0Width = pi0Width;}
 103   void SetEtaMass(Double_t etaMass){fEtaMass = etaMass;}
 104   void SetEtaWidth(Double_t etaWidth){fEtaWidth = etaWidth;}
 105   void SetMinOpeningAngleGhostCut(Double_t ghostCut){fMinOpeningAngleGhostCut = ghostCut;}
 106   void SetV0Reader(AliV0Reader* const reader){fV0Reader=reader; fV0Reader->SetESDtrackCuts(fEsdTrackCuts);}
 107   void SetCalculateBackground(Bool_t bg){fCalculateBackground=bg;}
 108   void CalculateBackground();
 109   void SetWriteNtuple(Bool_t writeNtuple){fWriteNtuple = writeNtuple;}
 110   void FillNtuple();
 111   Double_t GetMCOpeningAngle(TParticle* const daughter0, TParticle* const daughter1) const;
 112   void CheckV0Efficiency();
 113
 114
 115   //////////////////Chi_c Analysis////////////////////////////
 116   void GetPID(AliESDtrack *track, Stat_t &pid, Stat_t &weight);
 117   double GetSigmaToVertex(AliESDtrack* t);
 118   void ElectronBackground(TString hBg, TClonesArray e);
 119   void FillAngle(TString histoName,TClonesArray const tlVeNeg, TClonesArray const tlVePos);
 120   void FillElectronInvMass(TString histoName, TClonesArray const negativeElectron, TClonesArray const positiveElectron);
 121   void FillGammaElectronInvMass(TString histoMass,TString histoDiff, TClonesArray const fKFGammas, TClonesArray const tlVeNeg,TClonesArray const tlVePos);
 122   void CleanWithAngleCuts(TClonesArray const negativeElectrons, TClonesArray const positiveElectrons, TClonesArray const gammas);
 123   TClonesArray GetTLorentzVector(TClonesArray* esdTrack);
 124   void ProcessGammaElectronsForChicAnalysis();
 125   ///////////////////////////////////////////////////////////////
 126
 127   void SetDoCF(Bool_t flag){fDoCF = flag;}
 128
 129  private:
 130   AliAnalysisTaskGammaConversion(const AliAnalysisTaskGammaConversion&); // Not implemented
 131   AliAnalysisTaskGammaConversion& operator=(const AliAnalysisTaskGammaConversion&); // Not implemented
 132
 133   // for CF
 134   enum{
 135     kStepGenerated = 0,
 136     kStepReconstructable = 1,
 137     kStepGetOnFly = 2,
 138     kStepLikeSign = 3,
 139     kStepTPCRefit = 4,
 140     kStepKinks = 5,
 141     kStepdEdx_electronselection = 6,
 142     kStepdEdx_pionrejection = 7,
 143     kStepNContributors = 8,
 144     kStepTPCPID = 9,
 145     kStepR = 10,
 146     kStepLine = 11,
 147     kStepZ = 12,
 148     kStepNDF = 13,
 149     kStepChi2 = 14,
 150     kStepEta = 15,
 151     kStepPt = 16,
 152     kStepTrueGamma = 17
 153   };
 154
 155   AliV0Reader* fV0Reader; // The V0 reader object
 156
 157   AliStack * fStack; // pointer to the MC particle stack
 158   AliMCEventHandler *fMCTruth; // for CF   pointer to MCTruth
 159   AliMCEvent *fGCMCEvent;  // for CF    pointer to the MC Event
 160   AliESDEvent* fESDEvent; //pointer to the ESDEvent
 161   TList * fOutputContainer; // Histogram container
 162   AliCFManager *fCFManager;  // for CF
 163   //  AliCFContainer *container;   // for CF
 164
 165
 166
 167   AliGammaConversionHistograms *fHistograms; // Pointer to the histogram handling class
 168   Bool_t fTriggerCINT1B; //Flag to select trigger CINT1B
 169   Bool_t fDoMCTruth; // Flag to switch on/off MC truth
 170   Bool_t fDoNeutralMeson; // flag
 171   Bool_t fDoOmegaMeson; // flag
 172   Bool_t fDoJet; // flag
 173   Bool_t fDoChic; // flag
 174
 175   TClonesArray * fKFReconstructedGammasTClone; //! transient
 176   TClonesArray * fKFReconstructedPi0sTClone; //! transient
 177   TClonesArray * fCurrentEventPosElectronTClone; //! transient
 178   TClonesArray * fCurrentEventNegElectronTClone; //! transient
 179   TClonesArray * fKFReconstructedGammasCutTClone; //! transient
 180   TClonesArray * fPreviousEventTLVNegElectronTClone; //! transient
 181   TClonesArray * fPreviousEventTLVPosElectronTClone; //! transient
 182
 183   //  vector<AliKFParticle> fKFReconstructedGammas; // vector containing all reconstructed gammas
 184   vector<Int_t> fElectronv1; // vector containing index of electron 1
 185   vector<Int_t> fElectronv2; // vector containing index of electron 2
 186
 187   vector<Int_t> fGammav1; // vector containing index of gamma 1
 188   vector<Int_t> fGammav2; // vector containing index of gamma 2
 189
 190
 191
 192   ///////Chi_c Analysis///////////////////////////
 193   //  vector<AliESDtrack*> fCurrentEventPosElectron;       // comment here
 194   //  vector<AliESDtrack*> fCurrentEventNegElectron;       // comment here
 195   //  vector<AliKFParticle> fKFReconstructedGammasCut;     // comment here
 196   //  vector<TLorentzVector> fPreviousEventTLVNegElectron; // comment here
 197   //  vector<TLorentzVector> fPreviousEventTLVPosElectron; // comment here
 198   //////////////////////////////////////////////////
 199
 200   //mass defines
 201   Double_t fElectronMass; //electron mass
 202   Double_t fGammaMass;    //gamma mass
 203   Double_t fPi0Mass;      //pi0mass
 204   Double_t fEtaMass;      //eta mass
 205
 206   // width defines
 207   Double_t fGammaWidth; //gamma width cut
 208   Double_t fPi0Width;   // pi0 width cut
 209   Double_t fEtaWidth;   // eta width cut
 210
 211   Double_t fMinOpeningAngleGhostCut; // minimum angle cut
 212
 213   AliESDtrackCuts* fEsdTrackCuts;           // Object containing the parameters of the esd track cuts
 214
 215   Bool_t fCalculateBackground; //flag to set backgrount calculation on/off
 216   Bool_t fWriteNtuple;         // flag to set if writing to ntuple on/off
 217   TNtuple *fGammaNtuple;       // Ntuple for gamma values
 218   TNtuple *fNeutralMesonNtuple;// NTuple for mesons
 219
 220   Int_t fTotalNumberOfAddedNtupleEntries; // number of added ntuple entries
 221
 222   TClonesArray* fChargedParticles;  //! transient
 223   vector<Int_t> fChargedParticlesId;  //! transient
 224
 225   Double_t fGammaPtHighest;  //! transient
 226   Double_t fMinPtForGammaJet;  //! transient
 227   Double_t fMinIsoConeSize; //! transient
 228   Double_t fMinPtIsoCone; //! transient
 229   Double_t fMinPtGamChargedCorr; //! transient
 230   Double_t fMinPtJetCone; //! transient
 231   Int_t    fLeadingChargedIndex; //! transient
 232   Double_t fLowPtMapping; //! transient
 233   Double_t fHighPtMapping; //! transient
 234   Bool_t fDoCF; //! transient
 235
 236   TClonesArray* fAODBranch ;        //! selected particles branch
 237   TString fAODBranchName; // New AOD branch name
 238
 239   Bool_t fDoNeutralMesonV0MCCheck; //flag
 240
 241   vector<Int_t>fKFReconstructedGammasV0Index; // index of the reconstructed v0s
 242
 243   ClassDef(AliAnalysisTaskGammaConversion, 8); // Analysis task for gamma conversions
 244 };
 245
 246 #endif //ALIANALYSISTASKGAMMA_H