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f3050824 | 1 | #ifndef ALIANAPI0_H |
2 | #define ALIANAPI0_H | |
3 | /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
4 | * See cxx source for full Copyright notice */ | |
5 | /* $Id: $ */ | |
6 | ||
7 | //_________________________________________________________________________ | |
8 | // Class to fill two-photon invariant mass hisograms | |
9 | // to be used to extract pi0 raw yield. | |
10 | // | |
11 | //-- Author: Dmitri Peressounko (RRC "KI") | |
12 | ||
13 | class TH3D ; | |
14 | class AliAODEvent ; | |
15 | class AliESDEvent ; | |
16 | ||
17 | #include "AliAnalysisTaskSE.h" | |
18 | ||
19 | class AliAnaPi0 : public AliAnalysisTaskSE { | |
20 | ||
21 | public: | |
22 | ||
23 | AliAnaPi0() ; // default ctor | |
24 | AliAnaPi0(const char *name) ; // default ctor | |
25 | AliAnaPi0(const AliAnaPi0 & g) ; // cpy ctor | |
26 | AliAnaPi0 & operator = (const AliAnaPi0 & api0) ;//cpy assignment | |
27 | virtual ~AliAnaPi0() ;//virtual dtor | |
28 | ||
29 | //obligatory methods | |
30 | virtual void UserCreateOutputObjects(); | |
31 | virtual void Init() ; | |
32 | virtual void LocalInit() { Init() ; } | |
33 | virtual void UserExec(Option_t * opt = "") ; | |
34 | virtual void Terminate(Option_t * opt = "") ; | |
35 | ||
36 | void InitParameters(); | |
37 | void Print(const Option_t * opt) const; | |
38 | ||
39 | void SetBadRunsList(){} ; //Set list of runs which can be used for this analysis | |
40 | void SetEtalonHisto(TH3D * h);//Provide etalon of binning for histograms | |
41 | ||
42 | //Setters for parameters of event buffers | |
43 | void SetNCentrBin(Int_t n=5){fNCentrBin=n ;} //number of bins in centrality | |
44 | void SetNZvertBin(Int_t n=5){fNZvertBin=n ;} //number of bins for vertex position | |
45 | void SetNRPBin(Int_t n=6) {fNrpBin=n ;} //number of bins in reaction plain | |
46 | void SetNMaxEvMix(Int_t n=20){fNmaxMixEv=n ;}//Maximal number of events for mixing | |
47 | ||
48 | //Setters for event selection | |
49 | void SetZvertexCut(Float_t zcut=40.){fZvtxCut=zcut ;} //cut on vertex position | |
50 | void SetPtMin(Float_t pt = 0.2) {fPtMin=pt ;} //Cut on minimal pt of photon | |
51 | ||
52 | private: | |
53 | void FillHistograms() ; //fill invariant mass distributions | |
54 | Bool_t FillFromAOD(AliAODEvent * aod) ; | |
55 | Bool_t FillFromESD(AliESDEvent * esd) ; | |
56 | ||
57 | Bool_t IsBadRun(Int_t /*iRun*/) {return kFALSE;} //Tests if this run bad according to private list | |
58 | ||
59 | private: | |
60 | ||
61 | Int_t fNCentrBin ; //number of bins in event container for centrality | |
62 | Int_t fNZvertBin ; //number of bins in event container for vertex position | |
63 | Int_t fNrpBin ; //number of bins in event container for reaction plain | |
64 | Int_t fNPID ; //Number of possible PID combinations | |
65 | Int_t fNmaxMixEv ; //Maximal number of events stored in buffer for mixing | |
66 | ||
67 | Int_t fCurCentrBin ; //! bin for current event (centrality) | |
68 | Int_t fCurZvertBin ; //! bin for current event (z position) | |
69 | Int_t fCurRPBin ; //! bin for current event (reaction plain) | |
70 | ||
71 | Float_t fPtMin ; //Cut on minimum photon Pt | |
72 | Float_t fZvtxCut ; //Cut on vertex position | |
73 | Float_t fMinDist ; //Minimal distance to bad channel to accept cluster | |
74 | Float_t fMinDist2; //Cuts on Minimal distance to study acceptance evaluation | |
75 | Float_t fMinDist3; //One more cut on distance used for acceptance-efficiency study | |
76 | Float_t fDispCut; //Cut on dispersion, used in PID evaluation | |
77 | Float_t fTOFCut; //Cut on TOF, used in PID evaluation | |
78 | Float_t fPhotPID; //Baesian PID for photon | |
79 | ||
80 | Double_t fVert[3] ; //Currecnt vertex position | |
81 | TList ** fEventsList ; //! containers for photons in stored events | |
82 | TClonesArray * fCurrentEvent ; //!Container with latest event | |
83 | ||
84 | TList * fOutputList ; //list of output objects | |
85 | ||
86 | //Histograms | |
87 | TH3D * fhEtalon ; //Etalon histo, all distributions will have same binning as this one | |
88 | ||
89 | TH3D ** fhRe1 ; //!REAL two-photon invariant mass distribution for different centralities and PID | |
90 | TH3D ** fhMi1 ; //!MIXED two-photon invariant mass distribution for different centralities and PID | |
91 | TH3D ** fhRe2 ; //!REAL two-photon invariant mass distribution for different centralities and PID | |
92 | TH3D ** fhMi2 ; //!MIXED two-photon invariant mass distribution for different centralities and PID | |
93 | TH3D ** fhRe3 ; //!REAL two-photon invariant mass distribution for different centralities and PID | |
94 | TH3D ** fhMi3 ; //!MIXED two-photon invariant mass distribution for different centralities and PID | |
95 | TH3D * fhEvents; //!Number of events per centrality, RP, zbin | |
96 | ||
97 | //Calo Cells | |
98 | ClassDef(AliAnaPi0,2) | |
99 | } ; | |
100 | ||
101 | ||
102 | #endif //ALIANAPI0_H | |
103 | ||
104 | ||
105 |