6 #include "AliVParticle.h"
7 #include <TLorentzVector.h>
10 class AliESDJet : public AliVParticle
13 AliESDJet() : AliVParticle(), fPt(0), fEta(0), fPhi(0), fM(0), fNEF(0), fArea(0),
14 fNch(0), fNn(0), fMaxCPt(0), fMaxNPt(0) {;}
15 AliESDJet(Double_t pt, Double_t eta, Double_t phi, Double_t m);
16 AliESDJet(Double_t px, Double_t py, Double_t pz);
17 AliESDJet(const AliESDJet &jet);
18 AliESDJet& operator=(const AliESDJet &jet);
20 Double_t Px() const { return fPt*TMath::Cos(fPhi); }
21 Double_t Py() const { return fPt*TMath::Cos(fPhi); }
22 Double_t Pz() const { return fPt*TMath::SinH(fEta); }
23 Double_t Pt() const { return fPt; }
24 Double_t P() const { return fPt*TMath::CosH(fEta); }
25 Bool_t PxPyPz(Double_t p[3]) const { p[0]=Px();p[1]=Py();p[2]=Pz(); return 1; }
26 Double_t Xv() const { return 0.; }
27 Double_t Yv() const { return 0.; }
28 Double_t Zv() const { return 0.; }
29 Bool_t XvYvZv(Double_t x[3]) const { x[0]=0;x[1]=0;x[2]=0; return 1; }
30 Double_t OneOverPt() const { return 1./fPt; }
31 Double_t Phi() const { return fPhi; }
32 Double_t Theta() const { return 2*TMath::ATan(TMath::Exp(-fEta)); }
33 Double_t E() const { Double_t p=P(); return TMath::Sqrt(M()*M()+p*p); }
34 Double_t M() const { return 0.13957; }
35 Double_t Eta() const { return fEta; }
36 Double_t Y() const { return 0.5*TMath::Log((E()+Pz())/(E()-Pz())); }
37 Short_t Charge() const { return 0; }
38 Int_t GetLabel() const { return -1; }
39 Int_t PdgCode() const { return 0; }
40 const Double_t *PID() const { return 0; }
41 void GetMom(TLorentzVector &vec) const;
42 void Print(Option_t* option = "") const;
44 Double_t Area() const { return fArea; }
45 Double_t NEF() const { return fNEF; }
46 UShort_t N() const { return fNch+fNn;}
47 Double32_t MaxTrackPt() const { return fMaxCPt; }
48 Double32_t MaxClusterPt() const { return fMaxNPt; }
50 void SetArea(Double_t a) { fArea = a; }
51 void SetNEF(Double_t nef) { fNEF = nef; }
52 void SetMaxTrackPt(Double32_t t) { fMaxCPt = t; }
53 void SetMaxClusterPt(Double32_t t) { fMaxNPt = t; }
56 Double32_t fPt; //[0,0,12] pt
57 Double32_t fEta; //[-1,1,12] eta
58 Double32_t fPhi; //[0,6.3,12] phi
59 Double32_t fM; //[0,0,8] mass
60 Double32_t fNEF; //[0,1,8] neutral energy fraction
61 Double32_t fArea; //[0,0,12] area
62 UShort_t fNch; // number of charged constituents
63 UShort_t fNn; // number of neutral constituents
64 Double32_t fMaxCPt; //[0,0,12] pt of maximum track
65 Double32_t fMaxNPt; //[0,0,12] pt of maximum cluster
67 ClassDef(AliESDJet,1) // ESD jet class in cylindrical coordinates