#ifndef ALIANALYSISTASKSECHARMFRACTION_H #define ALIANALYSISTASKSECHARMFRACTION_H /* Copyright(c) 1998-2009, ALICE Experiment at CERN, All rights reserved. * * See cxx source for full Copyright notice */ //************************************************************************* // Class AliAnalysisTaskSECharmFraction // AliAnalysisTask for the extraction of the fraction of prompt charm // using the charm hadron impact parameter to the primary vertex // // // Author: Andrea Rossi andrea.rossi@ts.infn.it //************************************************************************* class TH1F; class TH2F; class AliAODDEvent; class AliAODMCHeader; class AliAODRecoDecayHF2Prong; class AliAODRecoDecayHF; class AliAODMCParticle; class AliAnalysisVertexingHF; #include "AliAnalysisTaskSE.h" class AliAnalysisTaskSECharmFraction : public AliAnalysisTaskSE { public: AliAnalysisTaskSECharmFraction(); AliAnalysisTaskSECharmFraction(const char *name); AliAnalysisTaskSECharmFraction(const char *name,Int_t nptbins,Double_t *ptbins); virtual ~AliAnalysisTaskSECharmFraction(); // Implementation of interface methods virtual void UserCreateOutputObjects(); virtual void Init(); virtual void LocalInit() {Init();} virtual void UserExec(Option_t *option); virtual void Terminate(Option_t *option); void SetReadMC(Bool_t readMC=kTRUE){fReadMC=readMC;} void SetNPtBins(Int_t nbins,const Double_t *ptbins); void SetSignalInvMassCut(const Double_t signalInvMassCut=0.027){fsignalInvMassCut=signalInvMassCut;} void SetLargeInvMassCut(const Double_t largeInvMassCut=2.){flargeInvMassCut=largeInvMassCut;} void SetSideBandInvMassCut(const Double_t sidebandInvMassCut=0.054){// default value ~ 2x3 times inv mass resol.: a factor 2 is applied w.r.t. 3sigma, should be safe enough to exclude most of the reflections fsidebandInvMassCut=sidebandInvMassCut; } void SetSideBandInvMassWindow(const Double_t sidebandInvMassWindow=0.108){//~ 6 times inv. mass resol. fsidebandInvMassWindow=sidebandInvMassWindow; } void SetAcceptanceCut(const Double_t eta=0.9,const Double_t nITSpoints=5.,const Double_t nSPDpoints=2.){fAcceptanceCuts[0]=eta;fAcceptanceCuts[1]=nITSpoints;fAcceptanceCuts[2]=nSPDpoints;} void SetStandardMassSelection(); Int_t SetStandardCuts(Double_t pt,Double_t invMassCut); void CheckInvMassD0(AliAODRecoDecayHF2Prong *d,Double_t &invMassD0,Double_t &invMassD0bar,Bool_t &isPeakD0,Bool_t &isPeakD0bar,Bool_t &isSideBandD0,Bool_t &isSideBandD0bar); AliAODRecoDecayHF *GetD0toKPiSignalType(const AliAODRecoDecayHF2Prong *d,TClonesArray *arrayMC,Int_t &signaltype,Double_t &massMumTrue,Double_t *primaryVtx); AliAODRecoDecayHF* ConstructFakeTrueSecVtx(const AliAODMCParticle *b1,const AliAODMCParticle *b2,const AliAODMCParticle *mum,Double_t *primaryVtxTrue); void SetUseMC(Bool_t useMC){fUseMC=useMC;} //################# /* ######### THE FOLLOWING IS FOR FURTHER IMPLEMENATION ############ Int_t GetPtBin(Double_t pt)const; void SetD0Cuts(Int_t ptbin,Double_t &*d0cutsLoose,Double_t &*d0cutsTight); // void InvMassSelection(); void SetCheckMC(Bool_t checkMC){fcheckMC=checkMC;} void SetCheckMC_D0(Bool_t check_D0){fcheckMCD0=check_D0;} void SetCheckMC_2prongs(Bool_t check2prongs){fcheckMC2prongs=check2prongs;} void SetCheckMC_prompt(Bool_t checkprompt){fcheckMCprompt=checkprompt;} void SetCheckMC_fromB(Bool_t checkfromB){fcheckMCfromB=checkfromB;} void SetCheckMC_fromDstar(Bool_t skipD0star){fSkipD0star=skipD0star;} void SetUseCuts(Bool_t usecuts){fD0usecuts=usecuts;} void SetSideBands(Double_t sideband){fSideBands=sideband;} void SetStudyPureBackground(Bool_t back){fStudyPureBackground=back;} */ private: Bool_t FillHistos(AliAODRecoDecayHF2Prong *d,TList *&list,Int_t ptbin,Int_t okD0,Int_t okD0bar,Double_t invMassD0,Double_t invMassD0bar,Bool_t isPeakD0,Bool_t isPeakD0bar,Bool_t isSideBand,Double_t massmumtrue,AliAODRecoDecayHF *aodDMC,Double_t *vtxTrue); AliAnalysisVertexingHF *fVHFloose; // Vertexer heavy flavour AliAnalysisVertexingHF *fVHFtight; // Vertexer heavy flavour Bool_t fReadMC; // Flag To switch on/off access to MC Double_t fmD0PDG; // MC D0 mass Int_t fnbins; // Number of pt bins Double_t *fptbins; //[fnbins] ptbins Double_t fAcceptanceCuts[3]; // array with acceptance cuts Double_t fsignalInvMassCut; // invariant mass cut to define signal region Double_t flargeInvMassCut; // invariant mass cut to accept all inv mass window Double_t fsidebandInvMassCut; // invariant mass cut to define side band region lower limit Double_t fsidebandInvMassWindow; // invariant mass cut to define side band region width Bool_t fUseMC; // flag to use or not MC info TH1F *fNentries; //!histo for #AOD analysed, container 1 TH1F *fSignalType; //!histo for the type of MC signal , container 2 TH1F *fSignalTypeLsCuts; //!histo for the type of MC signal with loose cuts , container 3 TH1F *fSignalTypeTghCuts; //!histo for the type of MC signal with tight cuts, container 4 TList *flistNoCutsSignal; //!TList for signal (D prompt) with nocuts, container 5 TList *flistNoCutsBack; //!TList for background with nocuts, container 6 TList *flistNoCutsFromB; //!TList for D from B or D from Dstar from Bwith nocuts, container 7 TList *flistNoCutsFromDstar; //!TList for D from Dstar with nocuts, container 8 TList *flistNoCutsOther; //!TList for others with nocuts, container 9 TList *flistLsCutsSignal; //!TList for signal (D prompt) with loose cuts, container 10 TList *flistLsCutsBack; //!TList for background with loose cuts, container 11 TList *flistLsCutsFromB; //!TList for D from B or D from Dstar from B with loose cuts, container 12 TList *flistLsCutsFromDstar; //!TList for D from Dstar with loose cuts, container 13 TList *flistLsCutsOther; //!TList for others with loose cuts, container 14 TList *flistTghCutsSignal; //!TList for signal (D prompt) with tight cuts, container 15 TList *flistTghCutsBack; //!TList for backgrnd with tight cuts, container 16 TList *flistTghCutsFromB; //!TList for D from B or D from Dstar from Bwith tight cuts, container 17 TList *flistTghCutsFromDstar; //!TList for D from Dstar Dstar with tight cuts, container 18 TList *flistTghCutsOther; //!TList for others with tight cuts, container 19 /* Bool_t fD0usecuts; // Switch on the use of the cuts TO BE IMPLEMENTED Bool_t fcheckMC; // Switch on MC check: minimum check is same mother TO BE IMPLEMENTED Bool_t fcheckMCD0; // check the mother is a D0 TO BE IMPLEMENTED Bool_t fcheckMC2prongs; // check the decay is in two prongs TO BE IMPLEMENTED Bool_t fcheckMCprompt; // check the D0 comes from a c quark TO BE IMPLEMENTED Bool_t fcheckMCfromB; // check the D0 comes from a b quark TO BE IMPLEMENTED Bool_t fSkipD0star; // skip if D0 comes from a D* TO BE IMPLEMENTED Bool_t fStudyd0fromBTrue; // Flag for analyze true impact par of D0 from B TO BE IMPLEMENTED Bool_t fStudyPureBackground; // Flag to study the background (reverse the selection on the signal) TO BE IMPLEMENTED Double_t fSideBands; //Side bands selection (see cxx) TO BE IMPLEMENTED */ AliAnalysisTaskSECharmFraction(const AliAnalysisTaskSECharmFraction&); // not implemented AliAnalysisTaskSECharmFraction& operator=(const AliAnalysisTaskSECharmFraction&); // not implemented ClassDef(AliAnalysisTaskSECharmFraction,1); // analysis task for prompt charm fraction }; #endif