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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 | ||
6 | //_________________________________________________________________________ | |
7 | // | |
8 | // Class for the analysis of high pT pi0 event by event | |
9 | // Pi0/Eta identified by one of the following: | |
10 | // -Invariant mass of 2 cluster in calorimeter | |
11 | // -Shower shape analysis in calorimeter | |
12 | // -Invariant mass of one cluster in calorimeter and one photon reconstructed in TPC (in near future) | |
13 | // | |
14 | //-- Author: Gustavo Conesa (INFN-LNF) & Raphaelle Ichou (SUBATECH) | |
15 | //_________________________________________________________________________ | |
16 | ||
17 | ||
18 | // --- ROOT system --- | |
19 | class TList ; | |
20 | class TObjString; | |
21 | ||
22 | // --- ANALYSIS system --- | |
23 | #include "AliAnaCaloTrackCorrBaseClass.h" | |
24 | ||
25 | class AliAnaPi0EbE : public AliAnaCaloTrackCorrBaseClass { | |
26 | ||
27 | public: | |
28 | AliAnaPi0EbE() ; // default ctor | |
29 | virtual ~AliAnaPi0EbE() { ; } //virtual dtor | |
30 | ||
31 | TObjString * GetAnalysisCuts(); | |
32 | ||
33 | TList * GetCreateOutputObjects(); | |
34 | ||
35 | void Init(); | |
36 | ||
37 | void InitParameters(); | |
38 | ||
39 | void MakeAnalysisFillAOD() ; | |
40 | ||
41 | void MakeAnalysisFillHistograms() ; | |
42 | ||
43 | void Print(const Option_t * opt) const; | |
44 | ||
45 | // Main | |
46 | ||
47 | void FillSelectedClusterHistograms(AliVCluster* cluster, | |
48 | const Int_t nLocMax, | |
49 | const Int_t tag); | |
50 | ||
51 | void FillWeightHistograms(AliVCluster *clus); | |
52 | ||
53 | void HasPairSameMCMother(AliAODPWG4Particle * photon1, | |
54 | AliAODPWG4Particle * photon2, | |
55 | Int_t & label, Int_t & tag); | |
56 | ||
57 | void MakeInvMassInCalorimeter() ; | |
58 | ||
59 | void MakeInvMassInCalorimeterAndCTS() ; | |
60 | ||
61 | void MakeShowerShapeIdentification() ; | |
62 | ||
63 | //Setters Getters | |
64 | ||
65 | //Analysis types | |
66 | enum anaTypes {kIMCalo, kSSCalo, kIMCaloTracks}; | |
67 | anaTypes GetAnalysisType() const { return fAnaType ; } | |
68 | void SetAnalysisType(anaTypes ana) { fAnaType = ana ; } | |
69 | ||
70 | TString GetInputAODGammaConvName() const { return fInputAODGammaConvName ; } | |
71 | void SetInputAODGammaConvName(TString name) { fInputAODGammaConvName = name ; } | |
72 | ||
73 | //Only for pi0 SS identification case | |
74 | void SetCalorimeter(TString & det) { fCalorimeter = det ; } | |
75 | ||
76 | void SetMinDistanceToBadChannel(Float_t m1, Float_t m2, Float_t m3) { | |
77 | fMinDist = m1; fMinDist2 = m2; fMinDist3 = m3 ; } | |
78 | ||
79 | void SwitchOnFillWeightHistograms() { fFillWeightHistograms = kTRUE ; } | |
80 | void SwitchOffFillWeightHistograms() { fFillWeightHistograms = kFALSE ; } | |
81 | ||
82 | void SwitchOnTMHistoFill() { fFillTMHisto = kTRUE ; } | |
83 | void SwitchOffTMHistoFill() { fFillTMHisto = kFALSE ; } | |
84 | ||
85 | void SwitchOnSelectedClusterHistoFill() { fFillSelectClHisto = kTRUE ; } | |
86 | void SwitchOffSelectedClusterHistoFill() { fFillSelectClHisto = kFALSE ; } | |
87 | ||
88 | //For histograms | |
89 | enum mcTypes { kmcPhoton = 0, kmcConversion = 1, kmcPi0 = 2, | |
90 | kmcEta = 3, kmcElectron = 4, kmcHadron = 5 }; | |
91 | ||
92 | private: | |
93 | ||
94 | anaTypes fAnaType; // Select analysis type | |
95 | ||
96 | //Only for pi0 SS identification case, kSSCalo | |
97 | TString fCalorimeter ; // Calorimeter where the gamma is searched; | |
98 | Float_t fMinDist ; // Minimal distance to bad channel to accept cluster | |
99 | Float_t fMinDist2; // Cuts on Minimal distance to study acceptance evaluation | |
100 | Float_t fMinDist3; // One more cut on distance used for acceptance-efficiency study | |
101 | ||
102 | Bool_t fFillWeightHistograms ; // Fill weigth histograms | |
103 | Bool_t fFillTMHisto; // Fill track matching plots | |
104 | Bool_t fFillSelectClHisto; // Fill selected cluster histograms | |
105 | ||
106 | //Only for combination of calorimeter and conversion photons, kIMCaloTracks | |
107 | TString fInputAODGammaConvName; // Name of AOD branch with conversion photons | |
108 | ||
109 | //Histograms | |
110 | ||
111 | TH1F * fhPt ; //! Number of identified pi0/eta vs pT | |
112 | TH1F * fhE ; //! Number of identified pi0/eta vs E | |
113 | TH2F * fhEEta ; //! E vs eta of identified pi0/eta | |
114 | TH2F * fhEPhi ; //! E vs phi of identified pi0/eta | |
115 | TH2F * fhEtaPhi ; //! eta vs phi of identified pi0/eta | |
116 | ||
117 | TH1F * fhPtDecay ; //! Number of identified pi0/eta decay photons vs pT | |
118 | TH1F * fhEDecay ; //! Number of identified pi0/eta decay photons vs E | |
119 | ||
120 | TH2F * fhEDispersion ; //! E vs disp of selected cluster | |
121 | TH2F * fhELambda0 ; //! E vs lambda0 of selected cluster | |
122 | TH2F * fhELambda1 ; //! E vs lambda1 of selected cluster | |
123 | TH2F * fhELambda0NoTRD ; //! E vs lambda0 of selected cluster, not behind TRD | |
124 | TH2F * fhELambda0FracMaxCellCut ;//! E vs lambda0 of selected cluster, fraction of cluster energy in max cell cut | |
125 | TH2F * fhEFracMaxCell ; //! E vs frac max cell of selected cluster | |
126 | TH2F * fhEFracMaxCellNoTRD ; //! E vs frac max cell of selected cluster, not behind TRD | |
127 | TH2F * fhENCells; //! E vs N cells in selected cluster | |
128 | TH2F * fhETime; //! E vs Time of selected cluster | |
129 | TH2F * fhEPairDiffTime; //! E vs Pair of clusters time difference vs E | |
130 | ||
131 | //MC histograms | |
132 | ||
133 | TH2F * fhEMCLambda0[6] ; //! E vs lambda0 of pi0 pairs but really from MC particle | |
134 | TH2F * fhEMCLambda1[6] ; //! E vs lambda1 of pi0 pairs but really from MC particle | |
135 | TH2F * fhEMCDispersion[6] ; //! E vs dispersion of pi0 pairs but really from MC particle | |
136 | TH2F * fhEMCLambda0NoTRD[6] ; //! E vs lambda0 of pi0 pairs but really from MC particle, not behind TRD | |
137 | TH2F * fhEMCLambda0FracMaxCellCut[6] ;//! E vs lambda0 of pi0 pairs but really from MC particle, fraction of cluster energy in max cell cut | |
138 | TH2F * fhEMCFracMaxCell[6] ; //! E vs fraction of max cell | |
139 | ||
140 | TH1F * fhPtMCNo; //! Number of identified pi0, not coming from pi0/eta | |
141 | TH2F * fhPhiMCNo; //! Phi of identified pi0, not coming from pi0/eta | |
142 | TH2F * fhEtaMCNo; //! eta of identified pi0, not coming from pi0/eta | |
143 | TH1F * fhPtMC; //! Number of identified pi0, coming from pi0/eta | |
144 | TH2F * fhPhiMC; //! Phi of identified pi0, coming from pi0/eta | |
145 | TH2F * fhEtaMC; //! eta of identified pi0, coming from pi0/eta | |
146 | ||
147 | TH2F * fhMassPairMCPi0; //! pair mass, origin is same pi0 | |
148 | TH2F * fhMassPairMCEta; //! pair mass, origin is same eta | |
149 | TH2F * fhAnglePairMCPi0; //! pair opening angle, origin is same pi0 | |
150 | TH2F * fhAnglePairMCEta; //! pair opening angle, origin is same eta | |
151 | ||
152 | // Weight studies | |
153 | ||
154 | TH2F * fhECellClusterRatio; //! e cell / e cluster vs e cluster for selected photons | |
155 | TH2F * fhECellClusterLogRatio; //! log (e cell / e cluster) vs e cluster for selected photons | |
156 | TH2F * fhEMaxCellClusterRatio; //! e max cell / e cluster vs e cluster for selected photons | |
157 | TH2F * fhEMaxCellClusterLogRatio;//! log (e max cell / e cluster) vs e cluster for selected photons | |
158 | TH2F * fhLambda0ForW0[14]; //! L0 for 7 defined w0= 3, 3.5 ... 6 for selected photons | |
159 | //TH2F * fhLambda1ForW0[7]; //! L1 for 7 defined w0= 3, 3.5 ... 6 for selected photons | |
160 | ||
161 | // Track Matching | |
162 | TH2F * fhTrackMatchedDEta ; //! Eta distance between track and cluster vs cluster E | |
163 | TH2F * fhTrackMatchedDPhi ; //! Phi distance between track and cluster vs cluster E | |
164 | TH2F * fhTrackMatchedDEtaDPhi ; //! Eta vs Phi distance between track and cluster, E cluster > 0.5 GeV | |
165 | TH2F * fhTrackMatchedMCParticle; //! Trace origin of matched particle | |
166 | TH2F * fhdEdx ; //! matched track dEdx vs cluster E | |
167 | TH2F * fhEOverP; //! matched track E cluster over P track vs cluster E | |
168 | TH2F * fhEOverPNoTRD; //! matched track E cluster over P track vs cluster E, not behind TRD | |
169 | ||
170 | // Local maxima | |
171 | TH2F * fhNLocMax; //! number of maxima in selected clusters | |
172 | TH2F * fhELambda0LocMax1 ; //! E vs lambda0 of selected cluster, 1 local maxima in cluster | |
173 | TH2F * fhELambda1LocMax1 ; //! E vs lambda1 of selected cluster, 1 local maxima in cluster | |
174 | TH2F * fhELambda0LocMax2 ; //! E vs lambda0 of selected cluster, 2 local maxima in cluster | |
175 | TH2F * fhELambda1LocMax2 ; //! E vs lambda1 of selected cluster, 2 local maxima in cluster | |
176 | TH2F * fhELambda0LocMaxN ; //! E vs lambda0 of selected cluster, N>2 local maxima in cluster | |
177 | TH2F * fhELambda1LocMaxN ; //! E vs lambda1 of selected cluster, N>2 local maxima in cluster | |
178 | TH2F * fhMassPairLocMax[8]; //! pair mass, origin is same pi0, combine clusters depending on number of maxima | |
179 | ||
180 | AliAnaPi0EbE( const AliAnaPi0EbE & g) ; // cpy ctor | |
181 | AliAnaPi0EbE & operator = (const AliAnaPi0EbE & g) ; // cpy assignment | |
182 | ||
183 | ClassDef(AliAnaPi0EbE,15) | |
184 | } ; | |
185 | ||
186 | ||
187 | #endif //ALIANAPI0EBE_H | |
188 | ||
189 | ||
190 |