3 /* Copyright(c) 1998-2007, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
8 //-------------------------------------------------------------------------
10 // Author: Andreas Morsch, CERN
11 //-------------------------------------------------------------------------
13 #include <TLorentzVector.h>
14 #include "AliVParticle.h"
16 #include "AliAODVertex.h"
19 class AliAODJet : public AliVParticle {
23 AliAODJet(Double_t px, Double_t py, Double_t pz, Double_t e);
24 AliAODJet(TLorentzVector & p);
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 virtual Bool_t IsTriggeredEMCAL(){return (fTrigger&kEMCALTriggered)==kEMCALTriggered;}
47 virtual Bool_t IsTriggeredTRD(){return (fTrigger&kTRDTriggered)==kTRDTriggered;}
48 virtual UChar_t Trigger(){return fTrigger;}
50 virtual void AddTrack(TObject *tr);
52 TObject* GetTrack(Int_t i) {return fRefTracks->At(i);}
53 virtual void SetBgEnergy(Double_t bgEnCh, Double_t bgEnNe)
54 {fBackgEnergy[0] = bgEnCh; fBackgEnergy[1] = bgEnNe;}
55 virtual void SetEffArea(Double_t effACh, Double_t effANe, Double_t effAErrCh = 0, Double_t effAErrNe = 0)
57 fEffectiveArea[0] = effACh; fEffectiveArea[1] = effANe;
58 fEffectiveAreaError[0] = effAErrCh;
59 fEffectiveAreaError[1] = effAErrNe;
61 virtual void SetPxPyPzE(Double_t px, Double_t py, Double_t pz, Double_t e);
62 virtual void SetTrigger(UChar_t f){fTrigger |= f;}
63 virtual void ResetTrigger(UChar_t f){fTrigger &= ~f;}
64 virtual void SetNEF(Double_t nef) {fNeutralFraction=nef;}
65 virtual Double_t GetNEF() const {return fNeutralFraction;}
67 virtual TRefArray* GetRefTracks() const { return fRefTracks;}
68 virtual Double_t ChargedBgEnergy() const { return fBackgEnergy[0];}
69 virtual Double_t NeutralBgEnergy() const { return fBackgEnergy[1];}
70 virtual Double_t TotalBgEnergy() const { return (fBackgEnergy[0] + fBackgEnergy[1]);}
72 virtual Double_t EffectiveAreaCharged() const { return fEffectiveArea[0];}
73 virtual Double_t EffectiveAreaNeutral() const { return fEffectiveArea[1];}
74 virtual void SetVectorAreaCharged(TLorentzVector *effVACh){
75 if(!fVectorAreaCharged)fVectorAreaCharged= new TLorentzVector(*effVACh);
76 else *fVectorAreaCharged = *effVACh;
78 virtual TLorentzVector* VectorAreaCharged() const {return fVectorAreaCharged;}
82 virtual Double_t ErrorEffectiveAreaCharged() const { return fEffectiveAreaError[0];}
83 virtual Double_t ErrorEffectiveAreaNeutral() const { return fEffectiveAreaError[1];}
84 virtual Double_t DeltaR(const AliVParticle* part);
87 TLorentzVector* MomentumVector() const {return fMomentum;}
88 virtual void Print(Option_t* /*option*/) const;
91 virtual Short_t Charge() const { return 0;}
92 virtual const Double_t* PID() const { return NULL;}
93 virtual Int_t GetLabel() const { return -1;}
95 virtual Int_t PdgCode() const {return 0;}
99 // first only one bit for EMCAL and TRD, leave space for more
100 // trigger types and/or other detectors
101 enum {kEMCALTriggered = 1<<0,
102 kTRDTriggered = 4<<0};
106 Double32_t fBackgEnergy[2]; // Subtracted background energy
107 Double32_t fEffectiveArea[2]; // Effective jet area used for background subtraction
108 Double32_t fEffectiveAreaError[2]; //[0,1,10] relative error of jet areas, 10 bit precision
109 Double32_t fNeutralFraction; //[0,1,12] Neutral fraction between 0 and 1 12 bit precision;
110 UChar_t fTrigger; // Bit mask to flag jets triggered by a certain detector
111 TLorentzVector* fMomentum; // Jet 4-momentum vector
112 TLorentzVector* fVectorAreaCharged; // jet area four momentum
113 TRefArray* fRefTracks; // array of references to the tracks belonging to the jet
115 ClassDef(AliAODJet,8);
119 inline Double_t AliAODJet::Phi() const
122 Double_t phi = fMomentum->Phi();
123 if (phi < 0.) phi += 2. * TMath::Pi();