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 AliAnaOmegaToPi0Gamma(const AliAnaOmegaToPi0Gamma & g) ; // cpy ctor
27 AliAnaOmegaToPi0Gamma & operator = (const AliAnaOmegaToPi0Gamma & api0) ;//cpy assignment
28 virtual ~AliAnaOmegaToPi0Gamma() ;//virtual dtor
30 TList * GetCreateOutputObjects();
31 void Print(const Option_t * opt) const;
33 void InitParameters();
34 void MakeAnalysisFillHistograms();
35 void Terminate(TList * outList);
37 TString GetInputAODPhotonName() const {return fInputAODGammaName;}
38 void SetInputAODPhotonName(TString name) {fInputAODGammaName=name;}
39 Bool_t IsBadRun(Int_t /*iRun*/) const {return kFALSE;} //Tests if this run bad according to private list
41 void SetNPtBinsMinMax(Int_t bins, Double_t min, Double_t max) {fNbinsPt=bins; fPtBegin=min; fPtEnd=max; } //set pt bins, min and max
42 void SetNMassBinsMinMas(Int_t bins, Double_t min, Double_t max) {fNbinsM=bins; fMinM=min; fMaxM=max; } //set mass pt bins, min and max
43 void SetNEventsMixed(Int_t nevents) { fNmaxMixEv=nevents;} //events to be mixed
44 void SetNPID(Int_t pid) {fNpid=pid;}
45 void SetPi0MassPeakWidthCut(Double_t win){fPi0MassWindow=win;}
47 void ReadHistograms(TList * outputList);
51 TClonesArray * fInputAODGamma; //Input AOD gamma array
52 TClonesArray * fInputAODPi0; //Input AOD pi0 array
53 TString fInputAODGammaName; //Input AOD gamma name
54 TList ** fEventsList; //event list for mixing
56 Double_t *fVtxZCut; //vtertx z cut
57 Double_t *fCent; //centrality cut
58 Double_t *fRp; //reaction plane cut
59 Int_t *fBadChDist; //bad channel dist
61 Int_t fNVtxZBin; //Number of vertex z cut
62 Int_t fNCentBin; //Number of centrality cut
63 Int_t fNRpBin; //Number of reaction plane cut
65 Int_t fNBadChDistBin; //Number of bad channel dist cut
66 Int_t fNpid; //Number of PID cut
68 Int_t fNmaxMixEv; //buffer size events to be mixed
69 Double_t fPi0Mass; //nominal pi0 mass
70 Double_t fPi0MassWindow; //pi0 mass windows
72 Int_t fNbinsPt; //Pt bin number, min and max
73 Double_t fPtBegin; //pt minmum
74 Double_t fPtEnd; //pt maxium
75 Int_t fNbinsM; //mass bin number, min and max
76 Double_t fMinM; //mass minmum
77 Double_t fMaxM; //mass maxium
79 TH2F * fhEtalon; //an etalon of 3D histograms
81 TH2F **fRealOmega; //real omega IVM(asy, pt, m), with Asy_pi0<1
82 TH2F **fMixAOmega; //mixA omega IVM(asy, pt, m)
83 TH2F **fMixBOmega; //mixB omega IVM(asy, pt, m)
84 TH2F **fMixCOmega; //mixC omega IVM(asy, pt, m)
86 TH2F **fRealOmega1; //real omega IVM(asy, pt, m), with Asy_pi0<0.7
87 TH2F **fMixAOmega1; //mixA omega IVM(asy, pt, m)
88 TH2F **fMixBOmega1; //mixB omega IVM(asy, pt, m)
89 TH2F **fMixCOmega1; //mixC omega IVM(asy, pt, m)
91 TH2F **fRealOmega2; //real omega IVM(asy, pt, m), with Asy_pi0<0.8
92 TH2F **fMixAOmega2; //mixA omega IVM(asy, pt, m)
93 TH2F **fMixBOmega2; //mixB omega IVM(asy, pt, m)
94 TH2F **fMixCOmega2; //mixC omega IVM(asy, pt, m)
96 TH1F *fhOmegaPriPt; //MC primary omega pt in 2pi and |y|<0.5
97 ClassDef(AliAnaOmegaToPi0Gamma,1)