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1 | #ifndef AliAODJet_H | |
2 | #define AliAODJet_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 jet class | |
10 | // Author: Andreas Morsch, CERN | |
11 | //------------------------------------------------------------------------- | |
12 | ||
13 | #include <TLorentzVector.h> | |
14 | #include "AliVParticle.h" | |
15 | #include <TArrayI.h> | |
16 | #include "AliAODVertex.h" | |
17 | ||
18 | ||
19 | class AliAODJet : public AliVParticle { | |
20 | ||
21 | public: | |
22 | AliAODJet(); | |
23 | AliAODJet(Double_t px, Double_t py, Double_t pz, Double_t e); | |
24 | AliAODJet(TLorentzVector & p); | |
25 | virtual ~AliAODJet(); | |
26 | AliAODJet(const AliAODJet& jet); | |
27 | AliAODJet& operator=(const AliAODJet& jet); | |
28 | // AliVParticle methods | |
29 | virtual Double_t Px() const { return fMomentum->Px(); } | |
30 | virtual Double_t Py() const { return fMomentum->Py(); } | |
31 | virtual Double_t Pz() const { return fMomentum->Pz(); } | |
32 | virtual Double_t Pt() const { return fMomentum->Pt(); } | |
33 | virtual Double_t P() const { return fMomentum->P(); } | |
34 | virtual Double_t OneOverPt() const { return 1. / fMomentum->Pt(); } | |
35 | virtual Bool_t PxPyPz(Double_t p[3]) const { p[0] = Px(); p[1] = Py(); p[2] = Pz(); return kTRUE; } | |
36 | virtual Double_t Phi() const; | |
37 | virtual Double_t Theta() const { return fMomentum->Theta(); } | |
38 | virtual Double_t E() const { return fMomentum->E(); } | |
39 | virtual Double_t M() const { return fMomentum->M(); } | |
40 | virtual Double_t Eta() const { return fMomentum->Eta(); } | |
41 | virtual Double_t Y() const { return fMomentum->Rapidity();} | |
42 | virtual Double_t Xv() const {return -999.;} // put reasonable values here | |
43 | virtual Double_t Yv() const {return -999.;} // | |
44 | virtual Double_t Zv() const {return -999.;} // | |
45 | virtual Bool_t XvYvZv(Double_t x[3]) const { x[0] = Xv(); x[1] = Yv(); x[2] = Zv(); return kTRUE; } | |
46 | ||
47 | // | |
48 | virtual void AddTrack(TObject *tr) {fRefTracks->Add(tr);} | |
49 | TObject* GetTrack(Int_t i) {return fRefTracks->At(i);} | |
50 | virtual void SetBgEnergy(Double_t bgEnCh, Double_t bgEnNe) | |
51 | {fBackgEnergy[0] = bgEnCh; fBackgEnergy[1] = bgEnNe;} | |
52 | virtual void SetEffArea(Double_t effACh, Double_t effANe) | |
53 | {fEffectiveArea[0] = effACh; fEffectiveArea[1] = effANe;} | |
54 | ||
55 | virtual TRefArray* GetRefTracks() const { return fRefTracks;} | |
56 | virtual Double_t ChargedBgEnergy() const { return fBackgEnergy[0];} | |
57 | virtual Double_t NeutralBgEnergy() const { return fBackgEnergy[1];} | |
58 | virtual Double_t TotalBgEnergy() const { return (fBackgEnergy[0] + fBackgEnergy[1]);} | |
59 | ||
60 | virtual Double_t EffectiveAreaCharged() const { return fEffectiveArea[0];} | |
61 | virtual Double_t EffectiveAreaNeutral() const { return fEffectiveArea[1];} | |
62 | ||
63 | TLorentzVector* MomentumVector() const {return fMomentum;} | |
64 | virtual void Print(Option_t* /*option*/) const; | |
65 | ||
66 | // Dummy | |
67 | virtual Short_t Charge() const { return 0;} | |
68 | virtual const Double_t* PID() const { return NULL;} | |
69 | virtual Int_t GetLabel() const { return -1;} | |
70 | // | |
71 | ||
72 | ||
73 | private: | |
74 | Double32_t fBackgEnergy[2]; // Subtracted background energy | |
75 | Double32_t fEffectiveArea[2]; // Effective jet area used for background subtraction | |
76 | ||
77 | TLorentzVector* fMomentum; // Jet 4-momentum vector | |
78 | TRefArray* fRefTracks; // array of references to the tracks belonging to the jet | |
79 | ||
80 | ClassDef(AliAODJet,4); | |
81 | ||
82 | }; | |
83 | ||
84 | inline Double_t AliAODJet::Phi() const | |
85 | { | |
86 | // Return phi | |
87 | Double_t phi = fMomentum->Phi(); | |
88 | if (phi < 0.) phi += 2. * TMath::Pi(); | |
89 | return phi; | |
90 | } | |
91 | ||
92 | #endif |