]>
Commit | Line | Data |
---|---|---|
aea5a18f | 1 | #ifndef AliAODPhoton_H |
2 | #define AliAODPhoton_H | |
3 | /* Copyright(c) 1998-2007, ALICE Experiment at CERN, All rights reserved. * | |
4 | * See cxx source for full Copyright notice */ | |
5 | ||
6 | /* $Id$ */ | |
7 | ||
8 | //------------------------------------------------------------------------- | |
9 | // AOD photon class | |
10 | // Author: Yves Schutz, CERN | |
11 | //------------------------------------------------------------------------- | |
12 | ||
13 | #include <TLorentzVector.h> | |
ff7c57dd | 14 | #include "AliVParticle.h" |
aea5a18f | 15 | #include "AliAODVertex.h" |
16 | ||
17 | ||
ff7c57dd | 18 | class AliAODPhoton : public AliVParticle { |
aea5a18f | 19 | |
20 | public: | |
21 | AliAODPhoton(); | |
22 | AliAODPhoton(Double_t px, Double_t py, Double_t pz, Double_t e); | |
23 | AliAODPhoton(TLorentzVector & p); | |
24 | virtual ~AliAODPhoton(); | |
25 | AliAODPhoton(const AliAODPhoton& photon); | |
26 | AliAODPhoton& operator=(const AliAODPhoton& photon); | |
ff7c57dd | 27 | // AliVParticle methods |
aea5a18f | 28 | virtual Double_t Px() const { return fMomentum->Px(); } |
29 | virtual Double_t Py() const { return fMomentum->Py(); } | |
30 | virtual Double_t Pz() const { return fMomentum->Pz(); } | |
31 | virtual Double_t Pt() const { return fMomentum->Pt(); } | |
32 | virtual Double_t P() const { return fMomentum->P(); } | |
fca68485 | 33 | virtual Bool_t PxPyPz(Double_t p[3]) const { p[0] = Px(); p[1] = Py(); p[2] = Pz(); return kTRUE; } |
aea5a18f | 34 | virtual Double_t OneOverPt() const { return 1. / fMomentum->Pt(); } |
4124c6c5 | 35 | virtual Double_t Phi() const; |
aea5a18f | 36 | virtual Double_t Theta() const { return fMomentum->Theta(); } |
37 | virtual Double_t E() const { return fMomentum->E(); } | |
38 | virtual Double_t M() const { return fMomentum->M(); } | |
39 | virtual Double_t Eta() const { return fMomentum->Eta(); } | |
40 | virtual Double_t Y() const { return fMomentum->Rapidity();} | |
fca68485 | 41 | virtual Double_t Xv() const {return -999.;} // put reasonable values here |
42 | virtual Double_t Yv() const {return -999.;} // | |
43 | virtual Double_t Zv() const {return -999.;} // | |
44 | virtual Bool_t XvYvZv(Double_t x[3]) const { x[0] = Xv(); x[1] = Yv(); x[2] = Zv(); return kTRUE; } | |
45 | // | |
46 | ||
aea5a18f | 47 | virtual void Print(Option_t* /*option*/) const; |
48 | ||
49 | // Dummy | |
6a8e543a | 50 | virtual Short_t Charge() const { return 0;} |
51 | virtual const Double_t* PID() const { return NULL;} | |
52 | virtual Int_t GetLabel() const { return -1;} | |
53 | // Dummy | |
54 | virtual Int_t PdgCode() const {return 0;} | |
55 | ||
aea5a18f | 56 | // |
57 | ||
58 | ||
59 | private: | |
60 | TLorentzVector* fMomentum; // Photon 4-momentum vector | |
61 | ClassDef(AliAODPhoton,1); | |
62 | }; | |
63 | ||
4124c6c5 | 64 | inline Double_t AliAODPhoton::Phi() const |
65 | { | |
66 | // Return phi | |
67 | Double_t phi = fMomentum->Phi(); | |
68 | if (phi < 0.) phi += 2. * TMath::Pi(); | |
69 | return phi; | |
70 | } | |
71 | ||
aea5a18f | 72 | #endif |