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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 | |
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6 | /* $Id$ */ |
| 7 | |
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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, |
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27 | Double_t dist12,Double_t dist3, |
| 28 | Double_t dist4, |
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29 | Short_t charge); |
| 30 | AliAODRecoDecayHF4Prong(AliAODVertex *vtx2, |
| 31 | Double_t *d0,Double_t *d0err, |
| 32 | Double_t *dca, //Double_t sigvert, |
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33 | Double_t dist12,Double_t dist3, |
| 34 | Double_t dist4, |
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35 | Short_t charge); |
| 36 | |
| 37 | AliAODRecoDecayHF4Prong(const AliAODRecoDecayHF4Prong& source); |
| 38 | AliAODRecoDecayHF4Prong& operator=(const AliAODRecoDecayHF4Prong& source); |
| 39 | |
| 40 | virtual ~AliAODRecoDecayHF4Prong() {} |
| 41 | |
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42 | void GetDCAs(Double_t dca[6]) const |
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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... |
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45 | Double_t GetDist12toPrim() const {return fDist12toPrim;} |
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46 | Double_t GetDist3toPrim() const {return fDist3toPrim;} |
| 47 | Double_t GetDist4toPrim() const {return fDist4toPrim;} |
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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);} |
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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; |
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57 | |
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58 | void InvMassD0(Double_t mD0[2]) const; |
| 59 | void InvMassD0bar(Double_t mD0bar[2]) const; |
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60 | |
| 61 | Bool_t SelectD0(const Double_t* cuts,Int_t &okD0,Int_t &okD0bar) const; |
| 62 | |
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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 |
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67 | Double_t fDist3toPrim; //distance prim vert - 3 track vertex |
| 68 | Double_t fDist4toPrim; //distance prim vert - 4 track vertex |
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69 | //Double_t fDist123toPrim; //distance |
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70 | |
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71 | |
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72 | ClassDef(AliAODRecoDecayHF4Prong,2) // base class for AOD reconstructed |
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73 | // heavy-flavour 3-prong decays |
| 74 | }; |
| 75 | |
| 76 | #endif |
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