1 #ifndef ALIAODRECOCASCADEHF_H
2 #define ALIAODRECOCASCADEHF_H
3 /* Copyright(c) 1998-2008, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
8 //***********************************************************
9 // Class AliAODRecoCascadeHF
10 // base class for AOD reconstructed heavy-flavour cascade decays
12 // The convention is: prong 0 is the bachelor, prong 1 is the "V0"
14 // Author: X-M. Zhang, zhangxm@iopp.ccnu.edu.cn
15 //***********************************************************
18 #include <TRefArray.h>
19 #include <TClonesArray.h>
21 #include "AliAODVertex.h"
23 #include "AliAODRecoDecayHF2Prong.h"
25 class AliAODRecoCascadeHF : public AliAODRecoDecayHF2Prong {
29 AliAODRecoCascadeHF();
30 AliAODRecoCascadeHF(AliAODVertex *vtx2, Short_t charge,
31 Double_t *px, Double_t *py, Double_t *pz,
32 Double_t *d0, Double_t *d0err, Double_t dca);
33 AliAODRecoCascadeHF(AliAODVertex *vtx2, Short_t charge,
34 Double_t *d0, Double_t *d0err, Double_t dca);
35 virtual ~AliAODRecoCascadeHF();
37 AliAODRecoCascadeHF(const AliAODRecoCascadeHF& source);
38 AliAODRecoCascadeHF& operator=(const AliAODRecoCascadeHF& source);
40 // 2prong (D0 for Dstar)
41 AliAODRecoDecayHF2Prong* Get2Prong() const {
42 if ( ! ((AliAODRecoDecay*)GetDaughter(1))->IsA()->InheritsFrom("AliAODRecoDecayHF2Prong") ){
43 AliWarning("Object is not of type AliAODRecoDecayHF2Prong");
46 return (AliAODRecoDecayHF2Prong*)GetDaughter(1);
49 // Bachelor (soft pion for Dstar)
50 AliAODTrack* GetBachelor() const {return (AliAODTrack*)GetDaughter(0);}
52 // v0 (Ks or Lambda for Lambda_c)
53 AliAODv0* Getv0() const {
54 if ( ! ((AliAODRecoDecay*)GetDaughter(1))->IsA()->InheritsFrom("AliAODv0") ){
55 AliWarning("Object is not of type v0");
58 return (AliAODv0*)GetDaughter(1);
61 // Get v0 positive track
62 AliAODTrack* Getv0PositiveTrack() const { return (AliAODTrack*)Getv0()->GetDaughter(0); }
63 // Get v0 negative track
64 AliAODTrack* Getv0NegativeTrack() const { return (AliAODTrack*)Getv0()->GetDaughter(1); }
67 Double_t EDstar() const {return E(413);}
68 Double_t YDstar() const {return Y(413);}
69 Bool_t SelectDstar(const Double_t *cutsDstar,const Double_t *cutsD0,Bool_t testD0=kTRUE) const;
70 Double_t InvMassD0() const {return (Charge()>0 ? Get2Prong()->InvMassD0() : Get2Prong()->InvMassD0bar());}
71 Double_t InvMassDstarKpipi() const;
72 Double_t DeltaInvMass() const {return (InvMassDstarKpipi()-InvMassD0());}
73 Double_t AngleD0dkpPisoft() const;
74 Bool_t TrigonometricalCut() const;
77 Double_t InvMassLctoK0sP() const {
78 UInt_t pdg[2]={2212,310}; return InvMass(2,pdg);
80 Double_t InvMassLctoLambdaPi() const {
81 UInt_t pdg[2]={211,3122}; return InvMass(2,pdg);
83 Bool_t SelectLctoV0(const Double_t *cutsLctoV0, Bool_t okLck0sp, Bool_t okLcLpi) const;
85 Int_t MatchToMC(Int_t pdgabs,Int_t pdgabs2prong,
86 Int_t *pdgDg,Int_t *pdgDg2prong,
87 TClonesArray *mcArray) const;
91 ClassDef(AliAODRecoCascadeHF, 2); // heavy-flavour cascade class