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 $ */
7 //_________________________________________________________________________
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)
15 //-- Author: Gustavo Conesa (INFN-LNF) & Raphaelle Ichou (SUBATECH)
16 //_________________________________________________________________________
19 // --- ROOT system ---
24 // --- ANALYSIS system ---
25 #include "AliAnaPartCorrBaseClass.h"
27 class AliAnaPi0EbE : public AliAnaPartCorrBaseClass {
30 AliAnaPi0EbE() ; // default ctor
31 virtual ~AliAnaPi0EbE() { ; } //virtual dtor
33 AliAnaPi0EbE(const AliAnaPi0EbE & g) ; // cpy ctor
34 AliAnaPi0EbE & operator = (const AliAnaPi0EbE & g) ;//cpy assignment
40 TObjString * GetAnalysisCuts();
42 TList * GetCreateOutputObjects();
46 void InitParameters();
48 void MakeAnalysisFillAOD() ;
50 void MakeAnalysisFillHistograms() ;
52 void Print(const Option_t * opt) const;
56 void FillSelectedClusterHistograms(AliVCluster* cluster, const Int_t tag);
58 void FillWeightHistograms(AliVCluster *clus);
60 AliVCluster* FindCluster(TObjArray* clusters, const Int_t id, Int_t & iclus, const Int_t first=0) ;
62 void MakeInvMassInCalorimeter() ;
64 void MakeInvMassInCalorimeterAndCTS() ;
66 void MakeShowerShapeIdentification() ;
68 void RecalibrateCellAmplitude(Float_t & amp, const Int_t absId);
70 void SwitchOnFillWeightHistograms() { fFillWeightHistograms = kTRUE ; }
71 void SwitchOffFillWeightHistograms() { fFillWeightHistograms = kFALSE ; }
76 enum anaTypes {kIMCalo, kSSCalo, kIMCaloTracks};
77 anaTypes GetAnalysisType() const { return fAnaType ; }
78 void SetAnalysisType(anaTypes ana) { fAnaType = ana ; }
80 TString GetInputAODGammaConvName() const { return fInputAODGammaConvName ; }
81 void SetInputAODGammaConvName(TString name) { fInputAODGammaConvName = name ; }
83 //Only for pi0 SS identification case
84 void SetCalorimeter(TString & det) { fCalorimeter = det ; }
86 void SetMinDistanceToBadChannel(Float_t m1, Float_t m2, Float_t m3) {
87 fMinDist = m1; fMinDist2 = m2; fMinDist3 = m3 ; }
90 enum mcTypes { mcPhoton = 0, mcConversion = 1, mcPi0 = 2,
91 mcEta = 3, mcElectron = 4, mcHadron = 5 };
95 anaTypes fAnaType; //Select analysis type
97 //Only for pi0 SS identification case, kSSCalo
98 TString fCalorimeter ; // Calorimeter where the gamma is searched;
99 Float_t fMinDist ; // Minimal distance to bad channel to accept cluster
100 Float_t fMinDist2; // Cuts on Minimal distance to study acceptance evaluation
101 Float_t fMinDist3; // One more cut on distance used for acceptance-efficiency study
103 Bool_t fFillWeightHistograms ; // Fill weigth histograms
105 //Only for combination of calorimeter and conversion photons, kIMCaloTracks
106 TString fInputAODGammaConvName; // Name of AOD branch with conversion photons
110 TH1F * fhPtPi0 ; //! Number of identified pi0 vs pT
111 TH1F * fhEPi0 ; //! Number of identified pi0 vs E
112 TH3F * fhEEtaPhiPi0 ; //! E vs eta phi of identified pi0
114 TH2F * fhEDispersion ; //! E vs disp of selected cluster
115 TH2F * fhELambda0 ; //! E vs lambda0 of selected cluster
116 TH2F * fhELambda1 ; //! E vs lambda1 of selected cluster
117 TH2F * fhELambda0NoTRD ; //! E vs lambda0 of selected cluster, not behind TRD
118 TH2F * fhELambda0FracMaxCellCut ;//! E vs lambda0 of selected cluster, fraction of cluster energy in max cell cut
119 TH2F * fhEFracMaxCell ; //! E vs frac max cell of selected cluster
120 TH2F * fhEFracMaxCellNoTRD ; //! E vs frac max cell of selected cluster, not behind TRD
121 TH2F * fhENCells; //! E vs N cells in selected cluster
122 TH2F * fhETime; //! E vs Time of selected cluster
123 TH2F * fhEPairDiffTime; //! E vs Pair of clusters time difference vs E
127 TH2F * fhEMCLambda0[6] ; //! E vs lambda0 of pi0 pairs but really from MC particle
128 TH2F * fhEMCLambda1[6] ; //! E vs lambda1 of pi0 pairs but really from MC particle
129 TH2F * fhEMCDispersion[6] ; //! E vs dispersion of pi0 pairs but really from MC particle
130 TH2F * fhEMCLambda0NoTRD[6] ; //! E vs lambda0 of pi0 pairs but really from MC particle, not behind TRD
131 TH2F * fhEMCLambda0FracMaxCellCut[6] ;//! E vs lambda0 of pi0 pairs but really from MC particle, fraction of cluster energy in max cell cut
132 TH2F * fhEMCFracMaxCell[6] ; //! E vs fraction of max cell
134 TH1F * fhPtMCNoPi0; //! Number of identified pi0, not coming from pi0
135 TH2F * fhPhiMCNoPi0; //! Phi of identified pi0, not coming from pi0
136 TH2F * fhEtaMCNoPi0; //! eta of identified pi0, not coming from pi0
137 TH1F * fhPtMCPi0; //! Number of identified pi0, coming from pi0
138 TH2F * fhPhiMCPi0; //! Phi of identified pi0, coming from pi0
139 TH2F * fhEtaMCPi0; //! eta of identified pi0, coming from pi0
143 TH2F * fhECellClusterRatio; //! e cell / e cluster vs e cluster for selected photons
144 TH2F * fhECellClusterLogRatio; //! log (e cell / e cluster) vs e cluster for selected photons
145 TH2F * fhEMaxCellClusterRatio; //! e max cell / e cluster vs e cluster for selected photons
146 TH2F * fhEMaxCellClusterLogRatio;//! log (e max cell / e cluster) vs e cluster for selected photons
147 TH2F * fhLambda0ForW0[7]; //! L0 for 7 defined w0= 3, 3.5 ... 6 for selected photons
148 TH2F * fhLambda1ForW0[7]; //! L1 for 7 defined w0= 3, 3.5 ... 6 for selected photons
150 ClassDef(AliAnaPi0EbE,10)
154 #endif //ALIANAPI0EBE_H