PWGJE/EMCALJetTasks/AliEmcalJet.h

   1 #ifndef AliEmcalJet_H
   2 #define AliEmcalJet_H
   3
   4 // $Id$
   5
   6 #include <TArrayS.h>
   7 #include <TLorentzVector.h>
   8 #include <TMath.h>
   9 #include <TClonesArray.h>
  10
  11 #include "AliVParticle.h"
  12 #include "AliVCluster.h"
  13
  14 class AliEmcalJet : public AliVParticle
  15 {
  16  public:
  17   AliEmcalJet();
  18   AliEmcalJet(Double_t px, Double_t py, Double_t pz);
  19   AliEmcalJet(Double_t pt, Double_t eta, Double_t phi, Double_t m);
  20   AliEmcalJet(const AliEmcalJet &jet);
  21   AliEmcalJet& operator=(const AliEmcalJet &jet);
  22
  23   Double_t          Px()                         const { return fPt*TMath::Cos(fPhi);  }
  24   Double_t          Py()                         const { return fPt*TMath::Sin(fPhi);  }
  25   Double_t          Pz()                         const { return fPt*TMath::SinH(fEta); }
  26   Double_t          Pt()                         const { return fPt;                   }
  27   Double_t          P()                          const { return fPt*TMath::CosH(fEta); }
  28   Bool_t            PxPyPz(Double_t p[3])        const { p[0]=Px();p[1]=Py();p[2]=Pz(); return 1;         }
  29   Double_t          Xv()                         const { return 0.;      }
  30   Double_t          Yv()                         const { return 0.;      }
  31   Double_t          Zv()                         const { return 0.;      }
  32   Bool_t            XvYvZv(Double_t x[3])        const { x[0]=0;x[1]=0;x[2]=0; return 1;                  }
  33   Double_t          OneOverPt()                  const { return 1./fPt;  }
  34   Double_t          Phi()                        const { return fPhi;    }
  35   Double_t          Theta()                      const { return 2*TMath::ATan(TMath::Exp(-fEta));         }
  36   Double_t          E()                          const { Double_t p=P(); return TMath::Sqrt(M()*M()+p*p); }
  37   Double_t          M()                          const { return 0.13957; }
  38   Double_t          Eta()                        const { return fEta;    }
  39   Double_t          Y()                          const { return 0.5*TMath::Log((E()+Pz())/(E()-Pz()));    }
  40   Short_t           Charge()                     const { return 0;       }
  41   Int_t             GetLabel()                   const { return -1;      }
  42   Int_t             PdgCode()                    const { return 0;       }
  43   const Double_t   *PID()                        const { return 0;       }
  44   void              GetMom(TLorentzVector &vec)  const;
  45   void              Print(Option_t* option = "") const;
  46
  47   Double_t          Area()                       const { return fArea;                     }
  48   Double_t          AreaPt()                     const { return fArea;                     }
  49   Double_t          AreaEta()                    const { return fAreaEta;                  }
  50   Double_t          AreaPhi()                    const { return fAreaPhi;                  }
  51   Double_t          AreaEmc()                    const { return fAreaEmc;                  }
  52   Bool_t            AxisInEmcal()                const { return fAxisInEmcal;              }
  53   Int_t             Compare(const TObject* obj)  const;
  54   AliEmcalJet*      ClosestJet()                 const { return fClosestJets[0];           }
  55   Double_t          ClosestJetDistance()         const { return fClosestJetsDist[0];       }
  56   Short_t           ClusterAt(Int_t idx)         const { return fClusterIDs.At(idx);       }
  57   AliVCluster      *ClusterAt(Int_t idx, TClonesArray *ca)  const { if (!ca) return 0; return dynamic_cast<AliVCluster*>(ca->At(ClusterAt(idx))); }
  58   UShort_t          GetNumberOfClusters()        const { return fClusterIDs.GetSize();     }
  59   UShort_t          GetNumberOfTracks()          const { return fTrackIDs.GetSize();       }
  60   Double_t          FracEmcalArea()              const { return fAreaEmc/fArea;            }
  61   Bool_t            IsInsideEmcal()              const { return (fAreaEmc/fArea>0.999);    }
  62   Bool_t            IsInEmcal()                  const { return (fAreaEmc>0);              }
  63   Bool_t            IsMC()                       const { return (Bool_t)(MCPt() > 0);      }
  64   Bool_t            IsSortable()                 const { return kTRUE;                     }
  65   Double_t          MaxNeutralPt()               const { return fMaxNPt;                   }
  66   Double_t          MaxChargedPt()               const { return fMaxCPt;                   }
  67   Double_t          NEF()                        const { return fNEF;                      }
  68   UShort_t          Nn()                         const { return fNn;                       }
  69   UShort_t          Nch()                        const { return fNch;                      }
  70   UShort_t          N()                          const { return Nch()+Nn();                }
  71   Int_t             NEmc()                       const { return fNEmc;                     }
  72   Double_t          MCPt()                       const { return fMCPt;                     }
  73   AliEmcalJet*      MatchedJet()                 const { return fMatched < 2 ? fClosestJets[fMatched] : 0; }
  74   Double_t          MaxClusterPt()               const { return MaxNeutralPt();            }
  75   Double_t          MaxTrackPt()                 const { return MaxChargedPt();            }
  76   Double_t          MaxPartPt()                  const { return fMaxCPt < fMaxNPt ? fMaxNPt : fMaxCPt;     }
  77   Double_t          PtEmc()                      const { return fPtEmc;                    }
  78   Double_t          PtSub()                      const { return fPtSub;                    }
  79   Double_t          PtSub(Double_t rho)          const { return fPt - fArea*rho;           }
  80   Double_t          PtSubVect(Double_t rho)      const;
  81   AliEmcalJet*      SecondClosestJet()           const { return fClosestJets[1];           }
  82   Double_t          SecondClosestJetDistance()   const { return fClosestJetsDist[1];       }
  83   Short_t           TrackAt(Int_t idx)           const { return fTrackIDs.At(idx);         }
  84   AliVParticle     *TrackAt(Int_t idx, TClonesArray *ta)   const { if (!ta) return 0; return dynamic_cast<AliVParticle*>(ta->At(TrackAt(idx))); }
  85
  86   void              AddClusterAt(Int_t clus, Int_t idx){ fClusterIDs.AddAt(clus, idx);     }
  87   void              AddTrackAt(Int_t track, Int_t idx) { fTrackIDs.AddAt(track, idx);      }
  88   void              Clear(Option_t */*option*/="")     { fClusterIDs.Set(0); fTrackIDs.Set(0); fClosestJets[0] = 0; fClosestJets[1] = 0;
  89                                                          fClosestJetsDist[0] = 0; fClosestJetsDist[1] = 0; fMatched = 0; fPtSub = 0; }
  90   void              SetArea(Double_t a)                { fArea    = a;                     }
  91   void              SetAreaEta(Double_t a)             { fAreaEta = a;                     }
  92   void              SetAreaPhi(Double_t a)             { fAreaPhi = a;                     }
  93   void              SetAreaEmc(Double_t a)             { fAreaEmc = a;                     }
  94   void              SetAxisInEmcal(Bool_t b)           { fAxisInEmcal = b;                 }
  95   void              SetMaxNeutralPt(Double32_t t)      { fMaxNPt  = t;                     }
  96   void              SetMaxChargedPt(Double32_t t)      { fMaxCPt  = t;                     }
  97   void              SetNEF(Double_t nef)               { fNEF     = nef;                   }
  98   void              SetNumberOfClusters(Int_t n)       { fClusterIDs.Set(n);               }
  99   void              SetNumberOfTracks(Int_t n)         { fTrackIDs.Set(n);                 }
 100   void              SetNumberOfCharged(Int_t n)        { fNch = n;                         }
 101   void              SetNumberOfNeutrals(Int_t n)       { fNn = n;                          }
 102   void              SetMCPt(Double_t p)                { fMCPt = p;                        }
 103   void              SortConstituents();
 104   void              SetClosestJet(AliEmcalJet *j, Double_t d)       { fClosestJets[0] = j; fClosestJetsDist[0] = d; }
 105   void              SetSecondClosestJet(AliEmcalJet *j, Double_t d) { fClosestJets[1] = j; fClosestJetsDist[1] = d; }
 106   void              SetMatchedToClosest()                           { fMatched   = 0;      }
 107   void              SetMatchedToSecondClosest()                     { fMatched   = 1;      }
 108   void              SetNEmc(Int_t n)                                { fNEmc      = n;      }
 109   void              SetPtEmc(Double_t pt)                           { fPtEmc     = pt;     }
 110   void              SetPtSub(Double_t ps)                           { fPtSub     = ps;     }
 111   void              SetPtSubVect(Double_t ps)                       { fPtVectSub = ps;     }
 112
 113  protected:
 114   Double32_t        fPt;                  //[0,0,12]   pt
 115   Double32_t        fEta;                 //[-1,1,12]  eta
 116   Double32_t        fPhi;                 //[0,6.3,12] phi
 117   Double32_t        fM;                   //[0,0,8]    mass
 118   Double32_t        fNEF;                 //[0,1,8]    neutral energy fraction
 119   Double32_t        fArea;                //[0,0,12]   area
 120   Double32_t        fAreaEta;             //[0,0,12]   area eta
 121   Double32_t        fAreaPhi;             //[0,0,12]   area phi
 122   Double32_t        fAreaEmc;             //[0,0,12]   area on EMCAL surface (determined from ghosts)
 123   Bool_t            fAxisInEmcal;         //           =true if jet axis inside EMCAL acceptance
 124   Double32_t        fMaxCPt;              //[0,0,12]   pt of maximum charged constituent
 125   Double32_t        fMaxNPt;              //[0,0,12]   pt of maximum neutral constituent
 126   Double32_t        fMCPt;                //           pt from MC particles contributing to the jet
 127   Int_t             fNn;                  //           number of neutral constituents
 128   Int_t             fNch;                 //           number of charged constituents
 129   Double32_t        fPtEmc;               //[0,0,12]   pt in EMCAL acceptance
 130   Int_t             fNEmc;                //           number of constituents in EMCAL acceptance
 131   TArrayS           fClusterIDs;          //           array of cluster constituents
 132   TArrayS           fTrackIDs;            //           array of track constituents
 133   AliEmcalJet      *fClosestJets[2];      //!          if this is MC it contains the two closest detector level jets in order of distance and viceversa
 134   Double32_t        fClosestJetsDist[2];  //!          distance to closest jets (see above)
 135   UShort_t          fMatched;             //!          0,1 if it is matched with one of the closest jets; 2 if it is not matched
 136   Double_t          fPtSub;               //!          background subtracted pt (not stored set from outside)
 137   Double_t          fPtVectSub;           //!          background vector subtracted pt (not stored set from outside)
 138
 139   ClassDef(AliEmcalJet,8) // Emcal jet class in cylindrical coordinates
 140 };
 141 #endif