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df9db588 | 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 | //------------------------------------------------------------------------- | |
87102d3c | 9 | // AOD jet class |
10 | // Author: Andreas Morsch, CERN | |
df9db588 | 11 | //------------------------------------------------------------------------- |
12 | ||
87102d3c | 13 | #include <TLorentzVector.h> |
ff7c57dd | 14 | #include "AliVParticle.h" |
2e7293a2 | 15 | #include <TArrayI.h> |
df9db588 | 16 | #include "AliAODVertex.h" |
17 | ||
87102d3c | 18 | |
ff7c57dd | 19 | class AliAODJet : public AliVParticle { |
df9db588 | 20 | |
21 | public: | |
87102d3c | 22 | AliAODJet(); |
23 | AliAODJet(Double_t px, Double_t py, Double_t pz, Double_t e); | |
a1708071 | 24 | AliAODJet(TLorentzVector & p); |
87102d3c | 25 | virtual ~AliAODJet(); |
26 | AliAODJet(const AliAODJet& jet); | |
27 | AliAODJet& operator=(const AliAODJet& jet); | |
ff7c57dd | 28 | // AliVParticle methods |
87102d3c | 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(); } | |
c683ddc2 | 35 | virtual Bool_t PxPyPz(Double_t p[3]) const { p[0] = Px(); p[1] = Py(); p[2] = Pz(); return kTRUE; } |
4124c6c5 | 36 | virtual Double_t Phi() const; |
87102d3c | 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();} | |
c683ddc2 | 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; } | |
4124c6c5 | 46 | |
87102d3c | 47 | // |
2e7293a2 | 48 | virtual void AddTrack(TObject *tr) {fRefTracks->Add(tr);} |
49 | TObject* GetTrack(Int_t i) {return fRefTracks->At(i);} | |
87102d3c | 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;} | |
944efc80 | 54 | virtual void SetPxPyPzE(Double_t px, Double_t py, Double_t pz, Double_t e); |
55 | ||
2e7293a2 | 56 | virtual TRefArray* GetRefTracks() const { return fRefTracks;} |
57 | virtual Double_t ChargedBgEnergy() const { return fBackgEnergy[0];} | |
58 | virtual Double_t NeutralBgEnergy() const { return fBackgEnergy[1];} | |
59 | virtual Double_t TotalBgEnergy() const { return (fBackgEnergy[0] + fBackgEnergy[1]);} | |
87102d3c | 60 | |
2e7293a2 | 61 | virtual Double_t EffectiveAreaCharged() const { return fEffectiveArea[0];} |
62 | virtual Double_t EffectiveAreaNeutral() const { return fEffectiveArea[1];} | |
a19f293d | 63 | virtual Double_t DeltaR(const AliVParticle* part); |
87102d3c | 64 | |
a19f293d | 65 | |
66ac9c97 | 66 | TLorentzVector* MomentumVector() const {return fMomentum;} |
a19f293d | 67 | virtual void Print(Option_t* /*option*/) const; |
87102d3c | 68 | |
69 | // Dummy | |
70 | virtual Short_t Charge() const { return 0;} | |
71 | virtual const Double_t* PID() const { return NULL;} | |
3c43fb2b | 72 | virtual Int_t GetLabel() const { return -1;} |
87102d3c | 73 | // |
3a4dcedf | 74 | |
75 | /** Compare this class with an other instance of this class | |
76 | * used in a TClonesArray::Sort() | |
77 | * @param obj ptr to other instance | |
78 | * @return Returns 0 when equal, 1 when this is smaller | |
79 | * and -1 when bigger -- sorts descending | |
80 | */ | |
81 | Int_t Compare( const TObject* obj) const; | |
87102d3c | 82 | |
83 | ||
3a4dcedf | 84 | /** Defines this class as being sortable in a TClonesArray |
85 | * @return always kTRUE; | |
86 | */ | |
87 | Bool_t IsSortable() const { return kTRUE; } | |
88 | ||
87102d3c | 89 | private: |
9333290e | 90 | Double32_t fBackgEnergy[2]; // Subtracted background energy |
91 | Double32_t fEffectiveArea[2]; // Effective jet area used for background subtraction | |
92 | ||
87102d3c | 93 | TLorentzVector* fMomentum; // Jet 4-momentum vector |
2e7293a2 | 94 | TRefArray* fRefTracks; // array of references to the tracks belonging to the jet |
9333290e | 95 | |
66ac9c97 | 96 | ClassDef(AliAODJet,4); |
4124c6c5 | 97 | |
df9db588 | 98 | }; |
99 | ||
4124c6c5 | 100 | inline Double_t AliAODJet::Phi() const |
101 | { | |
102 | // Return phi | |
103 | Double_t phi = fMomentum->Phi(); | |
104 | if (phi < 0.) phi += 2. * TMath::Pi(); | |
105 | return phi; | |
106 | } | |
107 | ||
df9db588 | 108 | #endif |