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1c5acb87 1#ifndef ALIANAPHOTON_H
2#define ALIANAPHOTON_H
3/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
5/* $Id: AliAnaPhoton.h 27413 2008-07-18 13:28:12Z gconesab $ */
6
7//_________________________________________________________________________
8//
9// Class for the photon identification.
10// Clusters from calorimeters are identified as photons
11// and kept in the AOD. Few histograms produced.
6175da48 12// Produces input for other analysis classes like AliAnaPi0,
13// AliAnaParticleHadronCorrelation ...
1c5acb87 14//
15
16//-- Author: Gustavo Conesa (INFN-LNF)
17
18// --- ROOT system ---
19class TH2F ;
123fc3bd 20class TH1F;
1c5acb87 21class TString ;
0c1383b5 22class TObjString;
5812a064 23class TList ;
1c5acb87 24
25// --- ANALYSIS system ---
26#include "AliAnaPartCorrBaseClass.h"
1c5acb87 27
28class AliAnaPhoton : public AliAnaPartCorrBaseClass {
29
78219bac 30 public:
5812a064 31 AliAnaPhoton() ; // default ctor
32 virtual ~AliAnaPhoton() { ; } // virtual dtor
78219bac 33 private:
5812a064 34 AliAnaPhoton(const AliAnaPhoton & g) ; // cpy ctor
35 AliAnaPhoton & operator = (const AliAnaPhoton & g) ; // cpy assignment
78219bac 36
37 public:
0c1383b5 38
6175da48 39 //---------------------------------------
40 // General analysis frame methods
41 //---------------------------------------
c4a7d28a 42
0c1383b5 43 TObjString * GetAnalysisCuts();
6175da48 44
0c1383b5 45 TList * GetCreateOutputObjects();
c4a7d28a 46
6175da48 47 void Init();
6639984f 48
6175da48 49 void InitParameters();
50
51 void MakeAnalysisFillAOD() ;
52
53 void MakeAnalysisFillHistograms() ;
1c5acb87 54
6175da48 55 void Print(const Option_t * opt)const;
521636d2 56
3d5d5078 57
58 // Analysis methods
59
521636d2 60 Bool_t ClusterSelected(AliVCluster* cl, TLorentzVector mom) ;
1c5acb87 61
3d5d5078 62 void FillAcceptanceHistograms();
63
3d5d5078 64 void FillShowerShapeHistograms( AliVCluster* cluster, const Int_t mcTag) ;
65
66 void SwitchOnFillShowerShapeHistograms() { fFillSSHistograms = kTRUE ; }
67 void SwitchOffFillShowerShapeHistograms() { fFillSSHistograms = kFALSE ; }
68
69
6175da48 70 // Analysis parameters setters getters
c4a7d28a 71
521636d2 72 TString GetCalorimeter() const { return fCalorimeter ; }
73 void SetCalorimeter(TString & det) { fCalorimeter = det ; }
74
6175da48 75 // ** Cluster selection methods **
76
c4a7d28a 77 void SetMinDistanceToBadChannel(Float_t m1, Float_t m2, Float_t m3) {
521636d2 78 fMinDist = m1; fMinDist2 = m2; fMinDist3 = m3; }
6175da48 79
c4a7d28a 80 void SetTimeCut(Double_t min, Double_t max) { fTimeCutMin = min;
521636d2 81 fTimeCutMax = max ; }
82 Double_t GetTimeCutMin() const { return fTimeCutMin ; }
83 Double_t GetTimeCutMax() const { return fTimeCutMax ; }
1e86c71e 84
521636d2 85 void SetNCellCut(Int_t n) { fNCellsCut = n ; }
86 Double_t GetNCellCut() const { return fNCellsCut ; }
c4a7d28a 87
88 Bool_t IsTrackMatchRejectionOn() const { return fRejectTrackMatch ; }
89 void SwitchOnTrackMatchRejection() { fRejectTrackMatch = kTRUE ; }
90 void SwitchOffTrackMatchRejection() { fRejectTrackMatch = kFALSE ; }
5812a064 91
f66d95af 92 void FillNOriginHistograms(Int_t n) { fNOriginHistograms = n ;
93 if(n > 14) fNOriginHistograms = 14; }
94 void FillNPrimaryHistograms(Int_t n) { fNPrimaryHistograms= n ;
95 if(n > 7) fNPrimaryHistograms = 7; }
96
3d5d5078 97 // For histograms in arrays, index in the array, corresponding to a particle
f66d95af 98 enum mcTypes { mcPhoton = 0, mcPi0Decay = 1, mcOtherDecay = 2,
99 mcPi0 = 3, mcEta = 4, mcElectron = 5,
100 mcConversion = 6, mcOther = 7, mcAntiNeutron = 8,
101 mcAntiProton = 9, mcPrompt = 10, mcFragmentation = 11,
102 mcISR = 12, mcString = 13 };
41121cfe 103
f66d95af 104 enum mcPTypes { mcPPhoton = 0, mcPPi0Decay = 1, mcPOtherDecay = 2, mcPOther = 3,
105 mcPPrompt = 4, mcPFragmentation = 5, mcPISR = 6 };
106
3f5990d6 107 enum mcssTypes { mcssPhoton = 0, mcssOther = 1, mcssPi0 = 2,
f66d95af 108 mcssEta = 3, mcssConversion = 4, mcssElectron = 5 };
3d5d5078 109
1c5acb87 110 private:
111
6175da48 112 TString fCalorimeter ; // Calorimeter where the gamma is searched;
113 Float_t fMinDist ; // Minimal distance to bad channel to accept cluster
114 Float_t fMinDist2; // Cuts on Minimal distance to study acceptance evaluation
115 Float_t fMinDist3; // One more cut on distance used for acceptance-efficiency study
116 Bool_t fRejectTrackMatch ; // If PID on, reject clusters which have an associated TPC track
6175da48 117 Double_t fTimeCutMin ; // Remove clusters/cells with time smaller than this value, in ns
118 Double_t fTimeCutMax ; // Remove clusters/cells with time larger than this value, in ns
119 Int_t fNCellsCut ; // Accept for the analysis clusters with more than fNCellsCut cells
c4a7d28a 120 Bool_t fFillSSHistograms ; // Fill shower shape histograms
f66d95af 121 Int_t fNOriginHistograms; // Fill only NOriginHistograms of the 14 defined types
122 Int_t fNPrimaryHistograms; // Fill only NPrimaryHistograms of the 7 defined types
521636d2 123
2244659d 124 //Histograms
c4a7d28a 125 TH2F * fhNCellsE; //! number of cells in cluster vs E
f66d95af 126 TH2F * fhMaxCellDiffClusterE; //! Fraction of energy carried by cell with maximum energy
f15c25da 127 TH2F * fhTimeE; //! time of cluster vs E
128
20218aea 129 TH1F * fhEPhoton ; //! Number of identified photon vs energy
6175da48 130 TH1F * fhPtPhoton ; //! Number of identified photon vs transerse momentum
131 TH2F * fhPhiPhoton ; //! Azimuthal angle of identified photon vs transerse momentum
132 TH2F * fhEtaPhoton ; //! Pseudorapidity of identified photon vs transerse momentum
133 TH2F * fhEtaPhiPhoton ; //! Pseudorapidity vs Phi of identified photon for transerse momentum > 0.5
134 TH2F * fhEtaPhi05Photon ; //! Pseudorapidity vs Phi of identified photon for transerse momentum < 0.5
123fc3bd 135
521636d2 136 //Shower shape
f66d95af 137
521636d2 138 TH2F * fhDispE; //! cluster dispersion vs E
139 TH2F * fhLam0E; //! cluster lambda0 vs E
140 TH2F * fhLam1E; //! cluster lambda1 vs E
7c65ad18 141
521636d2 142 TH2F * fhDispETRD; //! cluster dispersion vs E, SM covered by TRD
143 TH2F * fhLam0ETRD; //! cluster lambda0 vs E, SM covered by TRD
144 TH2F * fhLam1ETRD; //! cluster lambda1 vs E, SM covered by TRD
7c65ad18 145
521636d2 146 TH2F * fhNCellsLam0LowE; //! number of cells in cluster vs lambda0
147 TH2F * fhNCellsLam1LowE; //! number of cells in cluster vs lambda1
148 TH2F * fhNCellsDispLowE; //! number of cells in cluster vs dispersion
149 TH2F * fhNCellsLam0HighE; //! number of cells in cluster vs lambda0, E>2
150 TH2F * fhNCellsLam1HighE; //! number of cells in cluster vs lambda1, E>2
151 TH2F * fhNCellsDispHighE; //! number of cells in cluster vs dispersion, E>2
152
521636d2 153 TH2F * fhEtaLam0LowE; //! cluster eta vs lambda0, E<2
154 TH2F * fhPhiLam0LowE; //! cluster phi vs lambda0, E<2
155 TH2F * fhEtaLam0HighE; //! cluster eta vs lambda0, E>2
156 TH2F * fhPhiLam0HighE; //! cluster phi vs lambda0, E>2
157 TH2F * fhLam0DispLowE; //! cluster lambda0 vs dispersion, E<2
158 TH2F * fhLam0DispHighE; //! cluster lambda0 vs dispersion, E>2
159 TH2F * fhLam1Lam0LowE; //! cluster lambda1 vs lambda0, E<2
160 TH2F * fhLam1Lam0HighE; //! cluster lambda1 vs lambda0, E>2
161 TH2F * fhDispLam1LowE; //! cluster disp vs lambda1, E<2
162 TH2F * fhDispLam1HighE; //! cluster disp vs lambda1, E>2
7c65ad18 163
4c8f7c2e 164 //Fill MC dependent histograms, Origin of this cluster is ...
165
5812a064 166 TH2F * fhMCDeltaE[14] ; //! MC-Reco E distribution coming from MC particle
167 TH2F * fhMCDeltaPt[14] ; //! MC-Reco pT distribution coming from MC particle
168 TH2F * fhMC2E[14] ; //! E distribution, Reco vs MC coming from MC particle
169 TH2F * fhMC2Pt[14] ; //! pT distribution, Reco vs MC coming from MC particle
4c8f7c2e 170
5812a064 171 TH1F * fhMCE[14]; //! Number of identified photon vs cluster energy coming from MC particle
172 TH1F * fhMCPt[14]; //! Number of identified photon vs cluster pT coming from MC particle
173 TH2F * fhMCPhi[14]; //! Phi of identified photon coming from MC particle
174 TH2F * fhMCEta[14]; //! eta of identified photon coming from MC particle
3d5d5078 175
5812a064 176 TH1F * fhEPrimMC[7]; //! Number of generated photon vs energy
177 TH1F * fhPtPrimMC[7]; //! Number of generated photon vs pT
178 TH2F * fhPhiPrimMC[7]; //! Phi of generted photon
179 TH2F * fhYPrimMC[7]; //! Rapidity of generated photon
3d5d5078 180
5812a064 181 TH1F * fhEPrimMCAcc[7]; //! Number of generated photon vs energy, in calorimeter acceptance
182 TH1F * fhPtPrimMCAcc[7]; //! Number of generated photon vs pT, in calorimeter acceptance
183 TH2F * fhPhiPrimMCAcc[7]; //! Phi of generted photon, in calorimeter acceptance
184 TH2F * fhYPrimMCAcc[7]; //! Rapidity of generated photon, in calorimeter acceptance
f66d95af 185
521636d2 186 // Shower Shape MC
187
5812a064 188 TH2F * fhMCELambda0[6] ; //! E vs Lambda0 from MC particle
189 TH2F * fhMCELambda1[6] ; //! E vs Lambda1 from MC particle
190 TH2F * fhMCEDispersion[6] ; //! E vs Dispersion from MC particle
f66d95af 191
5812a064 192 TH2F * fhMCPhotonELambda0NoOverlap ; //! E vs Lambda0 from MC photons, no overlap
193 TH2F * fhMCPhotonELambda0TwoOverlap ; //! E vs Lambda0 from MC photons, 2 particles overlap
194 TH2F * fhMCPhotonELambda0NOverlap ; //! E vs Lambda0 from MC photons, N particles overlap
f66d95af 195
196 TH2F * fhMCLambda0vsClusterMaxCellDiffE0[6]; //! Lambda0 vs fraction of energy of max cell for E < 2 GeV
197 TH2F * fhMCLambda0vsClusterMaxCellDiffE2[6]; //! Lambda0 vs fraction of energy of max cell for 2< E < 6 GeV
198 TH2F * fhMCLambda0vsClusterMaxCellDiffE6[6]; //! Lambda0 vs fraction of energy of max cell for E > 6 GeV
199 TH2F * fhMCNCellsvsClusterMaxCellDiffE0[6]; //! NCells vs fraction of energy of max cell for E < 2
200 TH2F * fhMCNCellsvsClusterMaxCellDiffE2[6]; //! NCells vs fraction of energy of max cell for 2 < E < 6 GeV
201 TH2F * fhMCNCellsvsClusterMaxCellDiffE6[6]; //! NCells vs fraction of energy of max cell for E > 6
202 TH2F * fhMCNCellsE[6]; //! NCells per cluster vs energy
203 TH2F * fhMCMaxCellDiffClusterE[6]; //! Fraction of energy carried by cell with maximum energy
204
3d5d5078 205 //Embedding
5812a064 206 TH2F * fhEmbeddedSignalFractionEnergy ; //! Fraction of photon energy of embedded signal vs cluster energy
3d5d5078 207
5812a064 208 TH2F * fhEmbedPhotonELambda0FullSignal ; //! Lambda0 vs E for embedded photons with more than 90% of the cluster energy
209 TH2F * fhEmbedPhotonELambda0MostlySignal ; //! Lambda0 vs E for embedded photons with 90%<fraction<50%
210 TH2F * fhEmbedPhotonELambda0MostlyBkg ; //! Lambda0 vs E for embedded photons with 50%<fraction<10%
211 TH2F * fhEmbedPhotonELambda0FullBkg ; //! Lambda0 vs E for embedded photons with less than 10% of the cluster energy
3d5d5078 212
5812a064 213 TH2F * fhEmbedPi0ELambda0FullSignal ; //! Lambda0 vs E for embedded photons with more than 90% of the cluster energy
214 TH2F * fhEmbedPi0ELambda0MostlySignal ; //! Lambda0 vs E for embedded photons with 90%<fraction<50%
215 TH2F * fhEmbedPi0ELambda0MostlyBkg ; //! Lambda0 vs E for embedded photons with 50%<fraction<10%
216 TH2F * fhEmbedPi0ELambda0FullBkg ; //! Lambda0 vs E for embedded photons with less than 10% of the cluster energy
3d5d5078 217
f15c25da 218 ClassDef(AliAnaPhoton,19)
6639984f 219
1c5acb87 220} ;
221
1c5acb87 222#endif//ALIANAPHOTON_H
223
224
225