| | 1 | #ifndef ALIAODRECODECAYHF4PRONG_H |
| | 2 | #define ALIAODRECODECAYHF4PRONG_H |
| | 3 | /* Copyright(c) 1998-2006, ALICE Experiment at CERN, All rights reserved. * |
| | 4 | * See cxx source for full Copyright notice */ |
| | 5 | |
| | 6 | /* $Id$ */ |
| | 7 | |
| | 8 | //*********************************************************** |
| | 9 | // Class AliAODRecoDecayHF4Prong |
| | 10 | // base class for AOD reconstructed 4-prong heavy-flavour decays |
| | 11 | // (D0->Kpipipi, etc...) |
| | 12 | // Authors: G.E.Bruno Giuseppe.Bruno@ba.infn.it, R.Romita Rossella.Romita@ba.infn.it |
| | 13 | //*********************************************************** |
| | 14 | |
| | 15 | #include "AliAODRecoDecay.h" |
| | 16 | #include "AliAODRecoDecayHF.h" |
| | 17 | |
| | 18 | class AliAODRecoDecayHF4Prong : public AliAODRecoDecayHF { |
| | 19 | |
| | 20 | public: |
| | 21 | |
| | 22 | AliAODRecoDecayHF4Prong(); |
| | 23 | AliAODRecoDecayHF4Prong(AliAODVertex *vtx2, |
| | 24 | Double_t *px,Double_t *py,Double_t *pz, |
| | 25 | Double_t *d0,Double_t *d0err, |
| | 26 | Double_t *dca, //Double_t sigvert, |
| | 27 | Double_t dist12,Double_t dist3, |
| | 28 | Double_t dist4, |
| | 29 | Short_t charge); |
| | 30 | AliAODRecoDecayHF4Prong(AliAODVertex *vtx2, |
| | 31 | Double_t *d0,Double_t *d0err, |
| | 32 | Double_t *dca, //Double_t sigvert, |
| | 33 | Double_t dist12,Double_t dist3, |
| | 34 | Double_t dist4, |
| | 35 | Short_t charge); |
| | 36 | |
| | 37 | AliAODRecoDecayHF4Prong(const AliAODRecoDecayHF4Prong& source); |
| | 38 | AliAODRecoDecayHF4Prong& operator=(const AliAODRecoDecayHF4Prong& source); |
| | 39 | |
| | 40 | virtual ~AliAODRecoDecayHF4Prong() {} |
| | 41 | |
| | 42 | void GetDCAs(Double_t dca[6]) const |
| | 43 | {for(Int_t i=0;i<6;i++) dca[i]=GetDCA(i);} |
| | 44 | // convention:fDCA[0]=p0p1,fDCA[1]=p0p2,fDCA[2]=p0p3,fDCA[3]=p1p2... |
| | 45 | Double_t GetDist12toPrim() const {return fDist12toPrim;} |
| | 46 | Double_t GetDist3toPrim() const {return fDist3toPrim;} |
| | 47 | Double_t GetDist4toPrim() const {return fDist4toPrim;} |
| | 48 | |
| | 49 | // D0->pi+K- pipi and D0bar->K+pi- pipi (in the order given) |
| | 50 | Double_t ED0() const {return E(421);} |
| | 51 | Double_t YD0() const {return Y(421);} |
| | 52 | Double_t CtD0() const {return Ct(421);} |
| | 53 | Double_t CtD0(Double_t point[3]) const {return AliAODRecoDecay::Ct(421,point);} |
| | 54 | Double_t CtD0(AliAODVertex *vtx1) const {return AliAODRecoDecay::Ct(421,vtx1);} |
| | 55 | Double_t InvMassRho(Int_t i,Int_t j) const {return InvMass2Prongs(i,j,211,211);} |
| | 56 | Bool_t CutRhoMass(Double_t massD0[2],Double_t massD0bar[2],Double_t CutMass,Double_t CutRho) const; |
| | 57 | |
| | 58 | void InvMassD0(Double_t mD0[2]) const; |
| | 59 | void InvMassD0bar(Double_t mD0bar[2]) const; |
| | 60 | |
| | 61 | Bool_t SelectD0(const Double_t* cuts,Int_t &okD0,Int_t &okD0bar) const; |
| | 62 | |
| | 63 | private: |
| | 64 | |
| | 65 | //Double_t fSigmaVert; // track dispersion around the secondary vertex |
| | 66 | Double_t fDist12toPrim; //distance prim vert - 2 opposite sign track vertex |
| | 67 | Double_t fDist3toPrim; //distance prim vert - 3 track vertex |
| | 68 | Double_t fDist4toPrim; //distance prim vert - 4 track vertex |
| | 69 | //Double_t fDist123toPrim; //distance |
| | 70 | |
| | 71 | |
| | 72 | ClassDef(AliAODRecoDecayHF4Prong,2) // base class for AOD reconstructed |
| | 73 | // heavy-flavour 3-prong decays |
| | 74 | }; |
| | 75 | |
| | 76 | #endif |
git://git.uio.no / u / mrichter / AliRoot.git / blame_incremental