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477d6cee | 1 | #ifndef ALIANAPI0EBE_H |
2 | #define ALIANAPI0EBE_H | |
3 | /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
4 | * See cxx source for full Copyright notice */ | |
5 | /* $Id: AliAnaPi0EbE.h 27413 2008-07-18 13:28:12Z gconesab $ */ | |
6 | ||
7 | //_________________________________________________________________________ | |
8 | // | |
9 | // Class for the analysis of high pT pi0 event by event | |
10 | // Pi0 identified by one of the following: | |
11 | // -Invariant mass of 2 cluster in calorimeter | |
12 | // -Shower shape analysis in calorimeter | |
13 | // -Invariant mass of one cluster in calorimeter and one photon reconstructed in TPC (in near future) | |
14 | // | |
15 | //-- Author: Gustavo Conesa (INFN-LNF) & Raphaelle Ichou (SUBATECH) | |
16 | //_________________________________________________________________________ | |
17 | ||
18 | ||
19 | // --- ROOT system --- | |
57b97dc6 | 20 | class TH3F ; |
477d6cee | 21 | class TList ; |
0c1383b5 | 22 | class TObjString; |
477d6cee | 23 | |
24 | // --- ANALYSIS system --- | |
25 | #include "AliAnaPartCorrBaseClass.h" | |
477d6cee | 26 | |
27 | class AliAnaPi0EbE : public AliAnaPartCorrBaseClass { | |
28 | ||
29 | public: | |
477d6cee | 30 | AliAnaPi0EbE() ; // default ctor |
78219bac | 31 | virtual ~AliAnaPi0EbE() ; //virtual dtor |
32 | private: | |
477d6cee | 33 | AliAnaPi0EbE(const AliAnaPi0EbE & g) ; // cpy ctor |
34 | AliAnaPi0EbE & operator = (const AliAnaPi0EbE & g) ;//cpy assignment | |
78219bac | 35 | |
36 | public: | |
0c1383b5 | 37 | |
c4a7d28a | 38 | //General |
477d6cee | 39 | |
521636d2 | 40 | TObjString * GetAnalysisCuts(); |
477d6cee | 41 | |
521636d2 | 42 | TList * GetCreateOutputObjects(); |
477d6cee | 43 | |
521636d2 | 44 | void Init(); |
477d6cee | 45 | |
521636d2 | 46 | void InitParameters(); |
47 | ||
48 | void MakeAnalysisFillAOD() ; | |
49 | ||
50 | void MakeAnalysisFillHistograms() ; | |
477d6cee | 51 | |
521636d2 | 52 | void Print(const Option_t * opt) const; |
477d6cee | 53 | |
521636d2 | 54 | // Main |
477d6cee | 55 | |
521636d2 | 56 | void MakeInvMassInCalorimeter() ; |
57b97dc6 | 57 | |
521636d2 | 58 | void MakeInvMassInCalorimeterAndCTS() ; |
57b97dc6 | 59 | |
521636d2 | 60 | void MakeShowerShapeIdentification() ; |
57b97dc6 | 61 | |
78a28af3 | 62 | void RecalibrateCellAmplitude(Float_t & amp, const Int_t absId); |
63 | ||
64 | void WeightHistograms(AliVCluster *clus); | |
65 | ||
66 | void SwitchOnFillWeightHistograms() { fFillWeightHistograms = kTRUE ; } | |
67 | void SwitchOffFillWeightHistograms() { fFillWeightHistograms = kFALSE ; } | |
68 | ||
521636d2 | 69 | //Setters Getters |
70 | ||
71 | //Analysis types | |
72 | enum anaTypes {kIMCalo, kSSCalo, kIMCaloTracks}; | |
78a28af3 | 73 | anaTypes GetAnalysisType() const { return fAnaType ; } |
74 | void SetAnalysisType(anaTypes ana) { fAnaType = ana ; } | |
ddc0a8a5 | 75 | |
78a28af3 | 76 | TString GetInputAODGammaConvName() const { return fInputAODGammaConvName ; } |
77 | void SetInputAODGammaConvName(TString name) { fInputAODGammaConvName = name ; } | |
ddc0a8a5 | 78 | |
521636d2 | 79 | //Only for pi0 SS identification case |
78a28af3 | 80 | void SetCalorimeter(TString & det) { fCalorimeter = det ; } |
521636d2 | 81 | |
82 | void SetMinDistanceToBadChannel(Float_t m1, Float_t m2, Float_t m3) { | |
78a28af3 | 83 | fMinDist = m1; fMinDist2 = m2; fMinDist3 = m3 ; } |
521636d2 | 84 | |
85 | //For histograms | |
3bfcb597 | 86 | enum mcTypes { mcPhoton = 0, mcConversion = 1, mcPi0 = 2, |
87 | mcEta = 3, mcElectron = 4, mcHadron = 5 }; | |
521636d2 | 88 | |
477d6cee | 89 | private: |
90 | ||
521636d2 | 91 | anaTypes fAnaType; //Select analysis type |
477d6cee | 92 | |
93 | //Only for pi0 SS identification case, kSSCalo | |
521636d2 | 94 | TString fCalorimeter ; // Calorimeter where the gamma is searched; |
95 | Float_t fMinDist ; // Minimal distance to bad channel to accept cluster | |
96 | Float_t fMinDist2; // Cuts on Minimal distance to study acceptance evaluation | |
97 | Float_t fMinDist3; // One more cut on distance used for acceptance-efficiency study | |
477d6cee | 98 | |
78a28af3 | 99 | Bool_t fFillWeightHistograms ; // Fill weigth histograms |
100 | ||
477d6cee | 101 | //Only for combination of calorimeter and conversion photons, kIMCaloTracks |
521636d2 | 102 | TClonesArray * fInputAODGammaConv; //! AOD array with conversion photons reconstructed in CTS |
103 | TString fInputAODGammaConvName; // Name of AOD branch with conversion photons | |
477d6cee | 104 | |
105 | //Histograms | |
521636d2 | 106 | |
107 | TH1F * fhPtPi0 ; //! Number of identified pi0 vs pT | |
108 | TH1F * fhEPi0 ; //! Number of identified pi0 vs E | |
109 | TH3F * fhEEtaPhiPi0 ; //! E vs eta phi of identified pi0 | |
110 | ||
111 | TH2F * fhEDispersion ; //! E vs disp of pi0 pairs | |
112 | TH2F * fhELambda0 ; //! E vs lambda0 of pi0 pairs | |
113 | TH2F * fhELambda1 ; //! E vs lambda1 of pi0 pairs | |
3bfcb597 | 114 | TH2F * fhELambda0NoTRD ; //! E vs lambda0 of pi0 pairs, not behind TRD |
115 | TH2F * fhELambda0FracMaxCellCut ;//! E vs lambda0 of pi0 pairs, fraction of cluster energy in max cell cut | |
116 | TH2F * fhEFracMaxCell ; //! E vs frac max cell of cluster | |
117 | TH2F * fhEFracMaxCellNoTRD ; //! E vs frac max cell of cluster, not behind TRD | |
118 | ||
c4a7d28a | 119 | TH2F * fhClusterPairDiffTimeE; //! Pair of clusters time difference vs E |
120 | TH2F * fhClusterPairDiffTimeAsy; //! Pair of clusters time difference vs Asymmetry | |
121 | ||
122 | //MC histograms | |
123 | ||
6db946bd | 124 | TH2F * fhEMCLambda0[6] ; //! E vs lambda0 of pi0 pairs but really from MC particle |
125 | TH2F * fhEMCLambda1[6] ; //! E vs lambda1 of pi0 pairs but really from MC particle | |
126 | TH2F * fhEMCDispersion[6] ; //! E vs dispersion of pi0 pairs but really from MC particle | |
3bfcb597 | 127 | TH2F * fhEMCLambda0NoTRD[6] ; //! E vs lambda0 of pi0 pairs but really from MC particle, not behind TRD |
128 | TH2F * fhEMCLambda0FracMaxCellCut[6] ;//! E vs lambda0 of pi0 pairs but really from MC particle, fraction of cluster energy in max cell cut | |
129 | TH2F * fhEMCFracMaxCell[6] ; //! E vs fraction of max cell | |
521636d2 | 130 | |
131 | TH1F * fhPtMCNoPi0; //! Number of identified pi0, not coming from pi0 | |
132 | TH2F * fhPhiMCNoPi0; //! Phi of identified pi0, not coming from pi0 | |
133 | TH2F * fhEtaMCNoPi0; //! eta of identified pi0, not coming from pi0 | |
134 | TH1F * fhPtMCPi0; //! Number of identified pi0, coming from pi0 | |
135 | TH2F * fhPhiMCPi0; //! Phi of identified pi0, coming from pi0 | |
136 | TH2F * fhEtaMCPi0; //! eta of identified pi0, coming from pi0 | |
137 | ||
78a28af3 | 138 | // Weight studies |
139 | ||
140 | TH2F * fhECellClusterRatio; //! e cell / e cluster vs e cluster for selected photons | |
141 | TH2F * fhECellClusterLogRatio; //! log (e cell / e cluster) vs e cluster for selected photons | |
142 | TH2F * fhEMaxCellClusterRatio; //! e max cell / e cluster vs e cluster for selected photons | |
143 | TH2F * fhEMaxCellClusterLogRatio;//! log (e max cell / e cluster) vs e cluster for selected photons | |
144 | TH2F * fhLambda0ForW0[7]; //! L0 for 7 defined w0= 3, 3.5 ... 6 for selected photons | |
145 | TH2F * fhLambda1ForW0[7]; //! L1 for 7 defined w0= 3, 3.5 ... 6 for selected photons | |
146 | ||
147 | ClassDef(AliAnaPi0EbE,8) | |
c4a7d28a | 148 | } ; |
477d6cee | 149 | |
150 | ||
151 | #endif //ALIANAPI0EBE_H | |
152 | ||
153 | ||
154 |