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 */
6 //***********************************************************
7 // Class AliAODRecoCascadeHF
8 // base class for AOD reconstructed heavy-flavour cascade decays
10 // The convention is: prong 0 is the bachelor, prong 1 is the "V0"
12 // Author: X-M. Zhang, zhangxm@iopp.ccnu.edu.cn
13 //***********************************************************
16 #include <TRefArray.h>
17 #include <TClonesArray.h>
19 #include "AliAODVertex.h"
21 #include "AliAODRecoDecayHF2Prong.h"
23 class AliAODRecoCascadeHF : public AliAODRecoDecayHF2Prong {
27 AliAODRecoCascadeHF();
28 AliAODRecoCascadeHF(AliAODVertex *vtx2, Short_t charge,
29 Double_t *px, Double_t *py, Double_t *pz,
30 Double_t *d0, Double_t *d0err, Double_t dca);
31 AliAODRecoCascadeHF(AliAODVertex *vtx2, Short_t charge,
32 Double_t *d0, Double_t *d0err, Double_t dca);
33 virtual ~AliAODRecoCascadeHF();
35 AliAODRecoCascadeHF(const AliAODRecoCascadeHF& source);
36 AliAODRecoCascadeHF& operator=(const AliAODRecoCascadeHF& source);
38 // 2prong (D0 for Dstar)
39 AliAODRecoDecayHF2Prong* Get2Prong() const {
40 if ( ! ((AliAODRecoDecay*)GetDaughter(1))->IsA()->InheritsFrom("AliAODRecoDecayHF2Prong") ){
41 AliWarning("Object is not of type AliAODRecoDecayHF2Prong");
44 return (AliAODRecoDecayHF2Prong*)GetDaughter(1);
47 // Bachelor (soft pion for Dstar)
48 AliAODTrack* GetBachelor() const {return (AliAODTrack*)GetDaughter(0);}
50 // v0 (Ks or Lambda for Lambda_c)
51 AliAODv0* Getv0() const {
52 if ( ! ((AliAODRecoDecay*)GetDaughter(1))->IsA()->InheritsFrom("AliAODv0") ){
53 AliWarning("Object is not of type v0");
56 return (AliAODv0*)GetDaughter(1);
59 // Get v0 positive track
60 AliAODTrack* Getv0PositiveTrack() const { return (AliAODTrack*)Getv0()->GetDaughter(0); }
61 // Get v0 negative track
62 AliAODTrack* Getv0NegativeTrack() const { return (AliAODTrack*)Getv0()->GetDaughter(1); }
65 Double_t EDstar() const {return E(413);}
66 Double_t YDstar() const {return Y(413);}
67 Bool_t SelectDstar(const Double_t *cutsDstar,const Double_t *cutsD0,Bool_t testD0=kTRUE) const;
68 Double_t InvMassD0() const {return (Charge()>0 ? Get2Prong()->InvMassD0() : Get2Prong()->InvMassD0bar());}
69 Double_t InvMassDstarKpipi() const;
70 Double_t DeltaInvMass() const {return (InvMassDstarKpipi()-InvMassD0());}
71 Double_t AngleD0dkpPisoft() const;
72 Bool_t TrigonometricalCut() const;
75 Double_t InvMassLctoK0sP() const {
76 UInt_t pdg[2]={2212,310}; return InvMass(2,pdg);
78 Double_t InvMassLctoLambdaPi() const {
79 UInt_t pdg[2]={211,3122}; return InvMass(2,pdg);
81 Bool_t SelectLctoV0(const Double_t *cutsLctoV0, Bool_t okLck0sp, Bool_t okLcLpi) const;
83 Int_t MatchToMC(Int_t pdgabs,Int_t pdgabs2prong,
84 Int_t *pdgDg,Int_t *pdgDg2prong,
85 TClonesArray *mcArray) const;
89 ClassDef(AliAODRecoCascadeHF, 2); // heavy-flavour cascade class