#ifndef AliAnalysisVertexingHF_H #define AliAnalysisVertexingHF_H /* Copyright(c) 1998-2007, ALICE Experiment at CERN, All rights reserved. * * See cxx source for full Copyright notice */ //------------------------------------------------------------------------- // Class AliAnalysisVertexingHF // Reconstruction of heavy-flavour decay candidates // // Origin: E.Bruna, G.E.Bruno, A.Dainese, F.Prino, R.Romita //------------------------------------------------------------------------- #include #include #include "AliESDEvent.h" #include "AliESDVertex.h" #include "AliAODRecoDecayHF.h" #include "AliAODRecoDecayHF2Prong.h" #include "AliAODRecoDecayHF3Prong.h" #include "AliAODRecoDecayHF4Prong.h" //----------------------------------------------------------------------------- class AliAnalysisVertexingHF : public TNamed { public: // AliAnalysisVertexingHF(); AliAnalysisVertexingHF(const AliAnalysisVertexingHF& source); AliAnalysisVertexingHF& operator=(const AliAnalysisVertexingHF& source); virtual ~AliAnalysisVertexingHF(); void FindCandidates(AliESDEvent *esd,TTree treeout[]); AliAODRecoDecayHF2Prong* Make2Prong(TObjArray *twoTrackArray1,AliESDEvent *esd, AliESDVertex *vertexp1n1,Double_t dcap1n1, Bool_t &okD0,Bool_t &okJPSI) const; AliAODRecoDecayHF3Prong* Make3Prong(TObjArray *threeTrackArray,AliESDEvent *esd, AliESDVertex *vertexp1n1, AliESDVertex *vertexp2n1, Double_t dcap1n1,Double_t dcap2n1,Double_t dcap1p2, Bool_t &ok3Prong) const; AliAODRecoDecayHF4Prong* Make4Prong(TObjArray *fourTrackArray,AliESDEvent *esd, AliESDVertex *vertexp1n1, AliESDVertex *vertexp2n1, Double_t dcap1n1,Double_t dcap1n2, Double_t dcap2n1, Bool_t &ok4Prong) const; void SetDebug(Int_t debug=0) {fDebug=debug;} void PrintStatus() const; void SetD0toKpiOn() { fD0toKpi=kTRUE; } void SetD0toKpiOff() { fD0toKpi=kFALSE; } void SetJPSItoEleOn() { fJPSItoEle=kTRUE; } void SetJPSItoEleOff() { fJPSItoEle=kFALSE; } void Set3ProngOn() { f3Prong=kTRUE; } void Set3ProngOff() { f3Prong=kFALSE; } void Set4ProngOn() { f4Prong=kTRUE; } void Set4ProngOff() { f4Prong=kFALSE; } void SetRecoPrimVtxSkippingTrks() { fRecoPrimVtxSkippingTrks=kTRUE; fRmTrksFromPrimVtx=kFALSE;} void SetRmTrksFromPrimVtx() {fRmTrksFromPrimVtx=kTRUE; fRecoPrimVtxSkippingTrks=kFALSE; } void SetITSrefitRequired() { fITSrefit=kTRUE; } void SetITSrefitNotRequired() { fITSrefit=kFALSE; } void SetBothSPDRequired() { fBothSPD=kTRUE; } void SetBothSPDNotRequired() {fBothSPD=kFALSE;} void SetMinITSCls(Int_t n=6) { fMinITSCls=n; } void SetMinPtCut(Double_t pt=0.) { fMinPtCut=pt; } void SetMind0Cut(Double_t d0=0.) { fMind0rphiCut=d0; } void SetD0toKpiCuts(Double_t cut0=1000.,Double_t cut1=100000., Double_t cut2=1.1,Double_t cut3=0.,Double_t cut4=0., Double_t cut5=100000.,Double_t cut6=100000., Double_t cut7=100000000.,Double_t cut8=-1.1); void SetD0toKpiCuts(const Double_t cuts[9]); void SetBtoJPSICuts(Double_t cut0=1000.,Double_t cut1=100000., Double_t cut2=1.1,Double_t cut3=0.,Double_t cut4=0., Double_t cut5=100000.,Double_t cut6=100000., Double_t cut7=100000000.,Double_t cut8=-1.1); void SetBtoJPSICuts(const Double_t cuts[9]); void SetDplusCuts(Double_t cut0=1000.,Double_t cut1=0., Double_t cut2=0.,Double_t cut3=0.,Double_t cut4=0., Double_t cut5=0.,Double_t cut6=10000000000., Double_t cut7=0.,Double_t cut8=0., Double_t cut9=-1.1,Double_t cut10=0., Double_t cut11=0.); void SetDplusCuts(const Double_t cuts[12]); // private: // Bool_t fRecoPrimVtxSkippingTrks; // flag for primary vertex reco on the fly // for each candidate, w/o its daughters Bool_t fRmTrksFromPrimVtx; // flag for fast removal of daughters from // the primary vertex AliESDVertex *fV1; // primary vertex Int_t fDebug; // enable verbose mode // flag to enable candidates production Bool_t fD0toKpi; Bool_t fJPSItoEle; Bool_t f3Prong; Bool_t f4Prong; // single-track cuts Bool_t fITSrefit; // require kITSrefit Bool_t fBothSPD; // require both SPD layers Int_t fMinITSCls; // minimum number of ITS clusters Double_t fMinPtCut; // minimum track pt [GeV/c] Double_t fMind0rphiCut; // minimum track |rphi impact parameter| [cm] // candidates cuts Double_t fD0toKpiCuts[9]; // cuts on D0->Kpi candidates // (to be passed to AliAODRecoDecayHF2Prong::SelectD0()) // 0 = inv. mass half width [GeV] // 1 = dca [cm] // 2 = cosThetaStar // 3 = pTK [GeV/c] // 4 = pTPi [GeV/c] // 5 = d0K [cm] upper limit! // 6 = d0Pi [cm] upper limit! // 7 = d0d0 [cm^2] // 8 = cosThetaPoint Double_t fBtoJPSICuts[9]; // cuts on JPSI candidates // (to be passed to AliAODRecoDecayHF2Prong::SelectBtoJPSI()) // 0 = inv. mass half width [GeV] // 1 = dca [cm] // 2 = cosThetaStar (negative electron) // 3 = pTP [GeV/c] // 4 = pTN [GeV/c] // 5 = d0O [cm] upper limit! // 6 = d0N [cm] upper limit! // 7 = d0d0 [cm^2] // 8 = cosThetaPoint Double_t fDplusCuts[12]; // cuts on Dplus candidates // (to be passed to AliAODRecoDecayHF2Prong::SelectDplus()) // 0 = inv. mass half width [GeV] // 1 = pTK [GeV/c] // 2 = pTPi [GeV/c] // 3 = d0K [cm] lower limit! // 4 = d0Pi [cm] lower limit! // 5 = dist12 (cm) // 6 = sigmavert (cm) // 7 = dist prim-sec (cm) // 8 = pM=Max{pT1,pT2,pT3} (GeV/c) // 9 = cosThetaPoint // 10 = Sum d0^2 (cm^2) // 11 = dca cut (cm) // AliESDVertex* OwnPrimaryVertex(Int_t ntrks,TObjArray *trkArray,AliESDEvent *esd) const; Bool_t SelectInvMass(Int_t decay,Int_t nprongs, Double_t *px,Double_t *py,Double_t *pz) const; void SelectTracks(AliESDEvent *esd, TObjArray &trksP,Int_t &nTrksP, TObjArray &trksN,Int_t &nTrksN) const; void SetPrimaryVertex(AliESDVertex* v1) { fV1 = v1; } Bool_t SingleTrkCuts(AliESDtrack& trk, Double_t b) const; // ClassDef(AliAnalysisVertexingHF,1) // Reconstruction of HF decay candidates }; #endif