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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(); } | |
33 | virtual Double_t OneOverPt() const { return 1. / fMomentum->Pt(); } | |
4124c6c5 | 34 | virtual Double_t Phi() const; |
aea5a18f | 35 | virtual Double_t Theta() const { return fMomentum->Theta(); } |
36 | virtual Double_t E() const { return fMomentum->E(); } | |
37 | virtual Double_t M() const { return fMomentum->M(); } | |
38 | virtual Double_t Eta() const { return fMomentum->Eta(); } | |
39 | virtual Double_t Y() const { return fMomentum->Rapidity();} | |
40 | // | |
41 | ||
42 | virtual void Print(Option_t* /*option*/) const; | |
43 | ||
44 | // Dummy | |
45 | virtual Short_t Charge() const { return 0;} | |
46 | virtual const Double_t* PID() const { return NULL;} | |
47 | // | |
48 | ||
49 | ||
50 | private: | |
51 | TLorentzVector* fMomentum; // Photon 4-momentum vector | |
52 | ClassDef(AliAODPhoton,1); | |
53 | }; | |
54 | ||
4124c6c5 | 55 | inline Double_t AliAODPhoton::Phi() const |
56 | { | |
57 | // Return phi | |
58 | Double_t phi = fMomentum->Phi(); | |
59 | if (phi < 0.) phi += 2. * TMath::Pi(); | |
60 | return phi; | |
61 | } | |
62 | ||
aea5a18f | 63 | #endif |