1 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
2 * See cxx source for full Copyright notice */
5 //_________________________________________________________________________
6 // class to extract omega(782)->pi0+gamma->3gamma
8 //-- Author: Renzhuo Wan (IOPP-Wuhan, China)
9 //_________________________________________________________________________
10 #ifndef ALIANAOMEGATOPI0GAMMA_H
11 #define ALIANAOMEGATOPI0GAMMA_H
17 #include "AliAnaPartCorrBaseClass.h"
20 class AliAnaOmegaToPi0Gamma : public AliAnaPartCorrBaseClass {
24 AliAnaOmegaToPi0Gamma() ; // default ctor
25 AliAnaOmegaToPi0Gamma(const char *name) ; // default ctor
26 virtual ~AliAnaOmegaToPi0Gamma() ;//virtual dtor
28 TList * GetCreateOutputObjects();
29 void Print(const Option_t * opt) const;
31 void InitParameters();
32 void MakeAnalysisFillHistograms();
33 void Terminate(TList * outList);
35 TString GetInputAODPhotonName() const { return fInputAODGammaName;}
36 void SetInputAODPhotonName(TString & name) { fInputAODGammaName = name; }
37 Bool_t IsBadRun(Int_t /*iRun*/) const { return kFALSE;} //Tests if this run bad according to private list
39 void SetNCentBin(Int_t nbin){fNCentBin = nbin;}
40 void SetNPID(Int_t pid) {fNpid=pid;} //N pid cut
41 void SetNVtxZ(Int_t vtx){fNVtxZBin=vtx;} //N vertex Z cut
42 void SetNDistToBadChannel(Int_t ndist){fNBadChDistBin = ndist;}
43 void SetPi0MassPeakWidthCut(Double_t win){fPi0MassWindow=win;}
45 void SetPi0OverOmegaPtCut(Double_t cut){fPi0OverOmegaPtCut=cut;}
46 void SetGammaOverOmegaPtCut(Double_t cut){fGammaOverOmegaPtCut=cut;}
47 void SetEOverlapCluster(Double_t e){fEOverlapCluster=e;}
48 void ReadHistograms(TList * outputList);
52 TClonesArray * fInputAODPi0; //Input AOD pi0 array
53 TString fInputAODGammaName; //Input AOD gamma name
54 TList ** fEventsList; //event list for mixing
56 Int_t fNVtxZBin; //Number of vertex z cut
57 Int_t fNCentBin; //Number of centrality cut
58 Int_t fNRpBin; //Number of reaction plane cut
59 Int_t fNBadChDistBin; //Number of bad channel dist cut
60 Int_t fNpid; //Number of PID cut
62 Double_t *fVtxZCut; //![fNVtxZBin] vtertx z cut
63 Double_t *fCent; //![fNCentBin] centrality cut
64 Double_t *fRp; //![fNRpBin] reaction plane cut
66 Double_t fPi0Mass; //nominal pi0 mass
67 Double_t fPi0MassWindow; //pi0 mass windows
68 Double_t fPi0OverOmegaPtCut; //pi0 Pt over omega pt cut
69 Double_t fGammaOverOmegaPtCut; //gamma pt over omega pt cut
70 Double_t fEOverlapCluster; //the pt when the two photons overlapped
72 TH2F * fhEtalon; //an etalon of 3D histograms
73 TH2F **fRealOmega0; //real omega IVM(asy, pt, m), with Asy_pi0<1
74 TH2F **fMixAOmega0; //mixA omega IVM(asy, pt, m)
75 TH2F **fMixBOmega0; //mixB omega IVM(asy, pt, m)
76 TH2F **fMixCOmega0; //mixC omega IVM(asy, pt, m)
77 TH2F **fRealOmega1; //real omega IVM(asy, pt, m), with Asy_pi0<0.7
78 TH2F **fMixAOmega1; //mixA omega IVM(asy, pt, m)
79 TH2F **fMixBOmega1; //mixB omega IVM(asy, pt, m)
80 TH2F **fMixCOmega1; //mixC omega IVM(asy, pt, m)
81 TH2F **fRealOmega2; //real omega IVM(asy, pt, m), with Asy_pi0<0.8
82 TH2F **fMixAOmega2; //mixA omega IVM(asy, pt, m)
83 TH2F **fMixBOmega2; //mixB omega IVM(asy, pt, m)
84 TH2F **fMixCOmega2; //mixC omega IVM(asy, pt, m)
86 TH2F **fhFakeOmega; //high pt clusters assumed as pi0 + another gamma
88 TH1F *fhOmegaPriPt; //MC primary omega pt in 2pi and |y|<0.5
90 AliAnaOmegaToPi0Gamma(const AliAnaOmegaToPi0Gamma & ex) ; // cpy ctor
91 AliAnaOmegaToPi0Gamma & operator = (const AliAnaOmegaToPi0Gamma & ex) ;// cpy assignment
93 ClassDef(AliAnaOmegaToPi0Gamma,2)