#ifndef ALIANALYSISTASKGAMMACONVERSION_H #define ALIANALYSISTASKGAMMACONVERSION_H /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * * See cxx source for full Copyright notice */ //////////////////////////////////////////////// //--------------------------------------------- // Class used to do analysis on conversion pairs //--------------------------------------------- //////////////////////////////////////////////// #include "AliAnalysisTaskSE.h" #include #include "AliV0Reader.h" //#include "AliCFManager.h" // for CF //#include "AliCFContainer.h" // for CF class AliGammaConversionAODObject; class TNtuple; class AliGammaConversionHistograms; class AliESDv0; class AliKFParticle; class AliESDInputHandler; class AliESDEvent; class AliAODEvent; class AliMCEvent; class TList; class AliStack; class AliESDtrackCuts; class AliCFManager; // for CF class AliCFContainer; // for CF class AliAnalysisTaskGammaConversion : public AliAnalysisTaskSE { public: AliAnalysisTaskGammaConversion(); AliAnalysisTaskGammaConversion(const char* name); virtual ~AliAnalysisTaskGammaConversion() ;// virtual destructor // Implementation of interface methods virtual void UserCreateOutputObjects(); virtual void Init(); virtual void LocalInit() {Init();} virtual void Exec(Option_t *option); virtual void Terminate(Option_t *option); virtual void ConnectInputData(Option_t *); void ProcessMCData(); void ProcessV0sNoCut(); void ProcessV0s(); void ProcessGammasForNeutralMesonAnalysis(); // for CF void SetCFManager(AliCFManager * const io) {fCFManager = io;}; AliCFManager *GetCFManager() const {return fCFManager;} // AOD TString GetAODBranchName() const {return fAODBranchName;} void SetAODBranchName(TString name) {fAODBranchName = name ;} void FillAODWithConversionGammas(); // end AOD // for GammaJetAnalysis void ProcessGammasForGammaJetAnalysis(); void CreateListOfChargedParticles(); Double_t GetMinimumDistanceToCharge(Int_t indexHighestPtGamma); void CalculateJetCone(Int_t gammaIndex); Int_t GetIndexHighestPtGamma(); void SetESDtrackCuts(); // end of Gamma Jet void SetMinPtForGammaJet(Double_t minPtForGammaJet){fMinPtForGammaJet=minPtForGammaJet;} void SetMinIsoConeSize(Double_t minIsoConeSize){fMinIsoConeSize=minIsoConeSize;} void SetMinPtIsoCone(Double_t minPtIsoCone){fMinPtIsoCone=minPtIsoCone;} void SetMinPtGamChargedCorr(Double_t minPtGamChargedCorr){fMinPtGamChargedCorr=minPtGamChargedCorr;} void SetMinPtJetCone(Double_t minPtJetCone){fMinPtJetCone=minPtJetCone;} void SetLowPtMapping(Double_t lowPtMapping){fLowPtMapping=lowPtMapping;} void SetHighPtMapping(Double_t highPtMapping){fHighPtMapping=highPtMapping;} void SetHistograms(AliGammaConversionHistograms *const histograms){fHistograms=histograms;} void SetDoMCTruth(Bool_t flag){fDoMCTruth=flag;} void SetDoNeutralMeson(Bool_t flag){fDoNeutralMeson=flag;} void SetDoJet(Bool_t flag){fDoJet=flag;} void SetDoChic(Bool_t flag){fDoChic=flag;} void SetElectronMass(Double_t electronMass){fElectronMass = electronMass;} void SetGammaMass(Double_t gammaMass){fGammaMass = gammaMass;} void SetGammaWidth(Double_t gammaWidth){fGammaWidth = gammaWidth;} void SetPi0Mass(Double_t pi0Mass){fPi0Mass = pi0Mass;} void SetPi0Width(Double_t pi0Width){fPi0Width = pi0Width;} void SetEtaMass(Double_t etaMass){fEtaMass = etaMass;} void SetEtaWidth(Double_t etaWidth){fEtaWidth = etaWidth;} void SetMinOpeningAngleGhostCut(Double_t ghostCut){fMinOpeningAngleGhostCut = ghostCut;} void SetV0Reader(AliV0Reader* const reader){fV0Reader=reader;} void SetCalculateBackground(Bool_t bg){fCalculateBackground=bg;} void CalculateBackground(); void SetWriteNtuple(Bool_t writeNtuple){fWriteNtuple = writeNtuple;} void FillNtuple(); Double_t GetMCOpeningAngle(TParticle* const daughter0, TParticle* const daughter1) const; void CheckV0Efficiency(); //////////////////Chi_c Analysis//////////////////////////// void GetPID(AliESDtrack *track, Stat_t &pid, Stat_t &weight); double GetSigmaToVertex(AliESDtrack* t); void ElectronBackground(TString hBg, TClonesArray e); void FillAngle(TString histoName,TClonesArray const tlVeNeg, TClonesArray const tlVePos); void FillElectronInvMass(TString histoName, TClonesArray const negativeElectron, TClonesArray const positiveElectron); void FillGammaElectronInvMass(TString histoMass,TString histoDiff, TClonesArray const fKFGammas, TClonesArray const tlVeNeg,TClonesArray const tlVePos); void CleanWithAngleCuts(TClonesArray const negativeElectrons, TClonesArray const positiveElectrons, TClonesArray const gammas); TClonesArray GetTLorentzVector(TClonesArray* esdTrack); void ProcessGammaElectronsForChicAnalysis(); /////////////////////////////////////////////////////////////// void SetDoCF(Bool_t flag){fDoCF = flag;} private: AliAnalysisTaskGammaConversion(const AliAnalysisTaskGammaConversion&); // Not implemented AliAnalysisTaskGammaConversion& operator=(const AliAnalysisTaskGammaConversion&); // Not implemented // for CF enum{ kStepGenerated = 0, kStepReconstructable = 1, kStepLikeSign = 2, kStepTPCRefit = 3, kStepKinks = 4, kStepGetOnFly = 5, kStepNContributors = 6, kStepTPCPID = 7, kStepR = 8, kStepLine = 9, kStepZ = 10, kStepNDF = 11, kStepChi2 = 12, kStepEta = 13, kStepPt = 14 }; AliV0Reader* fV0Reader; // The V0 reader object AliStack * fStack; // pointer to the MC particle stack AliMCEventHandler *fMCTruth; // for CF pointer to MCTruth AliMCEvent *fGCMCEvent; // for CF pointer to the MC Event AliESDEvent* fESDEvent; //pointer to the ESDEvent TList * fOutputContainer; // Histogram container AliCFManager *fCFManager; // for CF // AliCFContainer *container; // for CF AliGammaConversionHistograms *fHistograms; // Pointer to the histogram handling class Bool_t fDoMCTruth; // Flag to switch on/off MC truth Bool_t fDoNeutralMeson; // flag Bool_t fDoJet; // flag Bool_t fDoChic; // flag TClonesArray * fKFReconstructedGammasTClone; //! transient TClonesArray * fCurrentEventPosElectronTClone; //! transient TClonesArray * fCurrentEventNegElectronTClone; //! transient TClonesArray * fKFReconstructedGammasCutTClone; //! transient TClonesArray * fPreviousEventTLVNegElectronTClone; //! transient TClonesArray * fPreviousEventTLVPosElectronTClone; //! transient // vector fKFReconstructedGammas; // vector containing all reconstructed gammas vector fElectronv1; // vector containing index of electron 1 vector fElectronv2; // vector containing index of electron 2 ///////Chi_c Analysis/////////////////////////// // vector fCurrentEventPosElectron; // comment here // vector fCurrentEventNegElectron; // comment here // vector fKFReconstructedGammasCut; // comment here // vector fPreviousEventTLVNegElectron; // comment here // vector fPreviousEventTLVPosElectron; // comment here ////////////////////////////////////////////////// //mass defines Double_t fElectronMass; //electron mass Double_t fGammaMass; //gamma mass Double_t fPi0Mass; //pi0mass Double_t fEtaMass; //eta mass // width defines Double_t fGammaWidth; //gamma width cut Double_t fPi0Width; // pi0 width cut Double_t fEtaWidth; // eta width cut Double_t fMinOpeningAngleGhostCut; // minimum angle cut AliESDtrackCuts* fEsdTrackCuts; // Object containing the parameters of the esd track cuts Bool_t fCalculateBackground; //flag to set backgrount calculation on/off Bool_t fWriteNtuple; // flag to set if writing to ntuple on/off TNtuple *fGammaNtuple; // Ntuple for gamma values TNtuple *fNeutralMesonNtuple;// NTuple for mesons Int_t fTotalNumberOfAddedNtupleEntries; // number of added ntuple entries TClonesArray* fChargedParticles; //! transient vector fChargedParticlesId; //! transient Double_t fGammaPtHighest; //! transient Double_t fMinPtForGammaJet; //! transient Double_t fMinIsoConeSize; //! transient Double_t fMinPtIsoCone; //! transient Double_t fMinPtGamChargedCorr; //! transient Double_t fMinPtJetCone; //! transient Int_t fLeadingChargedIndex; //! transient Double_t fLowPtMapping; //! transient Double_t fHighPtMapping; //! transient Bool_t fDoCF; //! transient TClonesArray* fAODBranch ; //! selected particles branch TString fAODBranchName; // New AOD branch name // TClonesArray *fAODObjects; ClassDef(AliAnalysisTaskGammaConversion, 5); // Analysis task for gamma conversions }; #endif //ALIANALYSISTASKGAMMA_H