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1 | #ifndef ALIAODRECODECAYHF3PRONG_H |
| 2 | #define ALIAODRECODECAYHF3PRONG_H |
| 3 | /* Copyright(c) 1998-2006, ALICE Experiment at CERN, All rights reserved. * |
| 4 | * See cxx source for full Copyright notice */ |
| 5 | |
| 6 | //*********************************************************** |
| 7 | // Class AliAODRecoDecayHF3Prong |
| 8 | // base class for AOD reconstructed 3-prong heavy-flavour decays |
| 9 | // (D+->Kpipi, Ds->KKpi ...) |
| 10 | // Author: E.Bruna bruna@to.infn.it, F.Prino prino@to.infn.it |
| 11 | //*********************************************************** |
| 12 | |
| 13 | #include "AliAODRecoDecay.h" |
| 14 | #include "AliAODRecoDecayHF.h" |
| 15 | |
| 16 | class AliAODRecoDecayHF3Prong : public AliAODRecoDecayHF { |
| 17 | |
| 18 | public: |
| 19 | |
| 20 | AliAODRecoDecayHF3Prong(); |
| 21 | AliAODRecoDecayHF3Prong(AliAODVertex *vtx2, |
| 22 | Double_t *px,Double_t *py,Double_t *pz, |
| 23 | Double_t *d0,Double_t *d0err, |
| 24 | Double_t *dca, Double_t sigvert, |
| 25 | Double_t dist12,Double_t dist23,Short_t charge); |
| 26 | AliAODRecoDecayHF3Prong(AliAODVertex *vtx2, |
| 27 | Double_t *d0,Double_t *d0err, |
| 28 | Double_t *dca, Double_t sigvert, |
| 29 | Double_t dist12,Double_t dist23, Short_t charge); |
| 30 | |
| 31 | AliAODRecoDecayHF3Prong(const AliAODRecoDecayHF3Prong& source); |
| 32 | AliAODRecoDecayHF3Prong& operator=(const AliAODRecoDecayHF3Prong& source); |
| 33 | |
| 34 | virtual ~AliAODRecoDecayHF3Prong() {} |
| 35 | |
| 36 | void GetDCAs(Float_t dca[3]) const |
| 37 | {for(Int_t i=0;i<3;i++) dca[i]=GetDCA(i);} |
| 38 | |
| 39 | |
| 40 | // D+->Kpipi |
| 41 | Double_t EDplus() const {return E(411);} |
| 42 | Double_t YDplus() const {return Y(411);} |
| 43 | Double_t CtDplus() const {return Ct(411);} |
| 44 | Double_t CtDplus(Double_t point[3]) const {return AliAODRecoDecay::Ct(411,point);} |
| 45 | Double_t CtDplus(AliAODVertex *vtx1) const {return AliAODRecoDecay::Ct(411,vtx1);} |
| 46 | Double_t InvMassDplus() const {UInt_t pdg[3]={211,321,211};return InvMass(3,pdg);} |
| 47 | Bool_t SelectDplus(const Double_t* cuts) const; |
| 48 | |
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49 | // Ds+->KKpi |
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50 | Double_t EDs() const {return E(431);} |
| 51 | Double_t YDs() const {return Y(431);} |
| 52 | Double_t CtDs() const {return Ct(431);} |
| 53 | Double_t CtDs(Double_t point[3]) const {return AliAODRecoDecay::Ct(431,point);} |
| 54 | Double_t CtDs(AliAODVertex *vtx1) const {return AliAODRecoDecay::Ct(431,vtx1);} |
| 55 | Double_t InvMassDsKKpi() const {UInt_t pdg[3]={321,321,211};return InvMass(3,pdg);} |
| 56 | Double_t InvMassDspiKK() const {UInt_t pdg[3]={211,321,321};return InvMass(3,pdg);} |
| 57 | Bool_t SelectDs(const Double_t* cuts,Int_t &okDsKKpi,Int_t &okDspiKK) |
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58 | const; // only mass cut |
| 59 | |
| 60 | // Lambdac+->pKpi |
| 61 | Double_t ELc() const {return E(4122);} |
| 62 | Double_t YLc() const {return Y(4122);} |
| 63 | Double_t CtLc() const {return Ct(4122);} |
| 64 | Double_t CtLc(Double_t point[3]) const {return AliAODRecoDecay::Ct(4122,point);} |
| 65 | Double_t CtLc(AliAODVertex *vtx1) const {return AliAODRecoDecay::Ct(4122,vtx1);} |
| 66 | Double_t InvMassLcpKpi() const {UInt_t pdg[3]={2212,321,211};return InvMass(3,pdg);} |
| 67 | Double_t InvMassLcpiKp() const {UInt_t pdg[3]={211,321,2212};return InvMass(3,pdg);} |
| 68 | Bool_t SelectLc(const Double_t* cuts,Int_t &okLcpKpi,Int_t &okLcpiKp) |
| 69 | const;// only mass cut |
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70 | |
| 71 | private: |
| 72 | |
| 73 | Double_t fSigmaVert; // track dispersion around the secondary vertex |
| 74 | Double_t fDist12toPrim; //distance prim vert - 2 opposite sign track vertex |
| 75 | Double_t fDist23toPrim; //distance prim vert - 2 opposite sign track vertex |
| 76 | |
| 77 | |
| 78 | |
| 79 | ClassDef(AliAODRecoDecayHF3Prong,1) // base class for AOD reconstructed |
| 80 | // heavy-flavour 3-prong decays |
| 81 | }; |
| 82 | |
| 83 | #endif |
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