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init the pid pointer when accessing checking the track-match, in case it was not...
[u/mrichter/AliRoot.git] / PWGGA / CaloTrackCorrelations / AliAnaPhoton.h
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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 */
1c5acb87 5
6//_________________________________________________________________________
7//
8// Class for the photon identification.
9// Clusters from calorimeters are identified as photons
10// and kept in the AOD. Few histograms produced.
6175da48 11// Produces input for other analysis classes like AliAnaPi0,
12// AliAnaParticleHadronCorrelation ...
1c5acb87 13//
14
15//-- Author: Gustavo Conesa (INFN-LNF)
16
17// --- ROOT system ---
18class TH2F ;
123fc3bd 19class TH1F;
1c5acb87 20class TString ;
0c1383b5 21class TObjString;
5812a064 22class TList ;
1c5acb87 23
24// --- ANALYSIS system ---
745913ae 25#include "AliAnaCaloTrackCorrBaseClass.h"
1c5acb87 26
745913ae 27class AliAnaPhoton : public AliAnaCaloTrackCorrBaseClass {
1c5acb87 28
78219bac 29 public:
5812a064 30 AliAnaPhoton() ; // default ctor
31 virtual ~AliAnaPhoton() { ; } // virtual dtor
0c1383b5 32
6175da48 33 //---------------------------------------
34 // General analysis frame methods
35 //---------------------------------------
c4a7d28a 36
0c1383b5 37 TObjString * GetAnalysisCuts();
6175da48 38
0c1383b5 39 TList * GetCreateOutputObjects();
c4a7d28a 40
6175da48 41 void Init();
6639984f 42
6175da48 43 void InitParameters();
44
45 void MakeAnalysisFillAOD() ;
46
47 void MakeAnalysisFillHistograms() ;
1c5acb87 48
6175da48 49 void Print(const Option_t * opt)const;
521636d2 50
3d5d5078 51
52 // Analysis methods
53
521636d2 54 Bool_t ClusterSelected(AliVCluster* cl, TLorentzVector mom) ;
1c5acb87 55
3d5d5078 56 void FillAcceptanceHistograms();
57
3d5d5078 58 void FillShowerShapeHistograms( AliVCluster* cluster, const Int_t mcTag) ;
59
60 void SwitchOnFillShowerShapeHistograms() { fFillSSHistograms = kTRUE ; }
61 void SwitchOffFillShowerShapeHistograms() { fFillSSHistograms = kFALSE ; }
62
4bfeae64 63 void FillTrackMatchingResidualHistograms(AliVCluster* calo, const Int_t cut);
64
65 void SwitchOnTMHistoFill() { fFillTMHisto = kTRUE ; }
66 void SwitchOffTMHistoFill() { fFillTMHisto = kFALSE ; }
67
3d5d5078 68
6175da48 69 // Analysis parameters setters getters
c4a7d28a 70
521636d2 71 TString GetCalorimeter() const { return fCalorimeter ; }
72 void SetCalorimeter(TString & det) { fCalorimeter = det ; }
73
6175da48 74 // ** Cluster selection methods **
75
c4a7d28a 76 void SetMinDistanceToBadChannel(Float_t m1, Float_t m2, Float_t m3) {
521636d2 77 fMinDist = m1; fMinDist2 = m2; fMinDist3 = m3; }
6175da48 78
c4a7d28a 79 void SetTimeCut(Double_t min, Double_t max) { fTimeCutMin = min;
521636d2 80 fTimeCutMax = max ; }
81 Double_t GetTimeCutMin() const { return fTimeCutMin ; }
82 Double_t GetTimeCutMax() const { return fTimeCutMax ; }
1e86c71e 83
521636d2 84 void SetNCellCut(Int_t n) { fNCellsCut = n ; }
85 Double_t GetNCellCut() const { return fNCellsCut ; }
c4a7d28a 86
87 Bool_t IsTrackMatchRejectionOn() const { return fRejectTrackMatch ; }
88 void SwitchOnTrackMatchRejection() { fRejectTrackMatch = kTRUE ; }
89 void SwitchOffTrackMatchRejection() { fRejectTrackMatch = kFALSE ; }
09273901 90
f66d95af 91 void FillNOriginHistograms(Int_t n) { fNOriginHistograms = n ;
92 if(n > 14) fNOriginHistograms = 14; }
93 void FillNPrimaryHistograms(Int_t n) { fNPrimaryHistograms= n ;
94 if(n > 7) fNPrimaryHistograms = 7; }
95
3d5d5078 96 // For histograms in arrays, index in the array, corresponding to a particle
c5693f62 97 enum mcTypes { kmcPhoton = 0, kmcPi0Decay = 1, kmcOtherDecay = 2,
98 kmcPi0 = 3, kmcEta = 4, kmcElectron = 5,
99 kmcConversion = 6, kmcOther = 7, kmcAntiNeutron = 8,
100 kmcAntiProton = 9, kmcPrompt = 10, kmcFragmentation = 11,
101 kmcISR = 12, kmcString = 13 };
41121cfe 102
c5693f62 103 enum mcPTypes { kmcPPhoton = 0, kmcPPi0Decay = 1, kmcPOtherDecay = 2, kmcPOther = 3,
104 kmcPPrompt = 4, kmcPFragmentation = 5, kmcPISR = 6 };
f66d95af 105
c5693f62 106 enum mcssTypes { kmcssPhoton = 0, kmcssOther = 1, kmcssPi0 = 2,
107 kmcssEta = 3, kmcssConversion = 4, kmcssElectron = 5 };
3d5d5078 108
1c5acb87 109 private:
110
6175da48 111 TString fCalorimeter ; // Calorimeter where the gamma is searched;
112 Float_t fMinDist ; // Minimal distance to bad channel to accept cluster
113 Float_t fMinDist2; // Cuts on Minimal distance to study acceptance evaluation
114 Float_t fMinDist3; // One more cut on distance used for acceptance-efficiency study
115 Bool_t fRejectTrackMatch ; // If PID on, reject clusters which have an associated TPC track
09273901 116 Bool_t fFillTMHisto; // Fill track matching plots
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
fc195fd0 125 TH1F * fhClusterCuts[9]; //! control histogram on the different photon selection cuts
c4a7d28a 126 TH2F * fhNCellsE; //! number of cells in cluster vs E
f66d95af 127 TH2F * fhMaxCellDiffClusterE; //! Fraction of energy carried by cell with maximum energy
f15c25da 128 TH2F * fhTimeE; //! time of cluster vs E
129
20218aea 130 TH1F * fhEPhoton ; //! Number of identified photon vs energy
6175da48 131 TH1F * fhPtPhoton ; //! Number of identified photon vs transerse momentum
132 TH2F * fhPhiPhoton ; //! Azimuthal angle of identified photon vs transerse momentum
133 TH2F * fhEtaPhoton ; //! Pseudorapidity of identified photon vs transerse momentum
134 TH2F * fhEtaPhiPhoton ; //! Pseudorapidity vs Phi of identified photon for transerse momentum > 0.5
135 TH2F * fhEtaPhi05Photon ; //! Pseudorapidity vs Phi of identified photon for transerse momentum < 0.5
123fc3bd 136
521636d2 137 //Shower shape
f66d95af 138
521636d2 139 TH2F * fhDispE; //! cluster dispersion vs E
140 TH2F * fhLam0E; //! cluster lambda0 vs E
141 TH2F * fhLam1E; //! cluster lambda1 vs E
7c65ad18 142
521636d2 143 TH2F * fhDispETRD; //! cluster dispersion vs E, SM covered by TRD
144 TH2F * fhLam0ETRD; //! cluster lambda0 vs E, SM covered by TRD
145 TH2F * fhLam1ETRD; //! cluster lambda1 vs E, SM covered by TRD
7c65ad18 146
b5dbb99b 147 TH2F * fhDispETM; //! cluster dispersion vs E, cut on Track Matching residual
148 TH2F * fhLam0ETM; //! cluster lambda0 vs E, cut on Track Matching residual
149 TH2F * fhLam1ETM; //! cluster lambda1 vs E, cut on Track Matching residual
150
151 TH2F * fhDispETMTRD; //! cluster dispersion vs E, SM covered by TRD, cut on Track Matching residual
152 TH2F * fhLam0ETMTRD; //! cluster lambda0 vs E, SM covered by TRD, cut on Track Matching residual
153 TH2F * fhLam1ETMTRD; //! cluster lambda1 vs E, SM covered by TRD, cut on Track Matching residual
154
155
521636d2 156 TH2F * fhNCellsLam0LowE; //! number of cells in cluster vs lambda0
157 TH2F * fhNCellsLam1LowE; //! number of cells in cluster vs lambda1
158 TH2F * fhNCellsDispLowE; //! number of cells in cluster vs dispersion
159 TH2F * fhNCellsLam0HighE; //! number of cells in cluster vs lambda0, E>2
160 TH2F * fhNCellsLam1HighE; //! number of cells in cluster vs lambda1, E>2
161 TH2F * fhNCellsDispHighE; //! number of cells in cluster vs dispersion, E>2
162
521636d2 163 TH2F * fhEtaLam0LowE; //! cluster eta vs lambda0, E<2
164 TH2F * fhPhiLam0LowE; //! cluster phi vs lambda0, E<2
165 TH2F * fhEtaLam0HighE; //! cluster eta vs lambda0, E>2
166 TH2F * fhPhiLam0HighE; //! cluster phi vs lambda0, E>2
167 TH2F * fhLam0DispLowE; //! cluster lambda0 vs dispersion, E<2
168 TH2F * fhLam0DispHighE; //! cluster lambda0 vs dispersion, E>2
169 TH2F * fhLam1Lam0LowE; //! cluster lambda1 vs lambda0, E<2
170 TH2F * fhLam1Lam0HighE; //! cluster lambda1 vs lambda0, E>2
171 TH2F * fhDispLam1LowE; //! cluster disp vs lambda1, E<2
172 TH2F * fhDispLam1HighE; //! cluster disp vs lambda1, E>2
7c65ad18 173
4c8f7c2e 174 //Fill MC dependent histograms, Origin of this cluster is ...
175
5812a064 176 TH2F * fhMCDeltaE[14] ; //! MC-Reco E distribution coming from MC particle
177 TH2F * fhMCDeltaPt[14] ; //! MC-Reco pT distribution coming from MC particle
178 TH2F * fhMC2E[14] ; //! E distribution, Reco vs MC coming from MC particle
179 TH2F * fhMC2Pt[14] ; //! pT distribution, Reco vs MC coming from MC particle
4c8f7c2e 180
5812a064 181 TH1F * fhMCE[14]; //! Number of identified photon vs cluster energy coming from MC particle
182 TH1F * fhMCPt[14]; //! Number of identified photon vs cluster pT coming from MC particle
183 TH2F * fhMCPhi[14]; //! Phi of identified photon coming from MC particle
184 TH2F * fhMCEta[14]; //! eta of identified photon coming from MC particle
3d5d5078 185
5812a064 186 TH1F * fhEPrimMC[7]; //! Number of generated photon vs energy
187 TH1F * fhPtPrimMC[7]; //! Number of generated photon vs pT
188 TH2F * fhPhiPrimMC[7]; //! Phi of generted photon
189 TH2F * fhYPrimMC[7]; //! Rapidity of generated photon
3d5d5078 190
5812a064 191 TH1F * fhEPrimMCAcc[7]; //! Number of generated photon vs energy, in calorimeter acceptance
192 TH1F * fhPtPrimMCAcc[7]; //! Number of generated photon vs pT, in calorimeter acceptance
193 TH2F * fhPhiPrimMCAcc[7]; //! Phi of generted photon, in calorimeter acceptance
194 TH2F * fhYPrimMCAcc[7]; //! Rapidity of generated photon, in calorimeter acceptance
f66d95af 195
521636d2 196 // Shower Shape MC
197
5812a064 198 TH2F * fhMCELambda0[6] ; //! E vs Lambda0 from MC particle
199 TH2F * fhMCELambda1[6] ; //! E vs Lambda1 from MC particle
200 TH2F * fhMCEDispersion[6] ; //! E vs Dispersion from MC particle
f66d95af 201
5812a064 202 TH2F * fhMCPhotonELambda0NoOverlap ; //! E vs Lambda0 from MC photons, no overlap
203 TH2F * fhMCPhotonELambda0TwoOverlap ; //! E vs Lambda0 from MC photons, 2 particles overlap
204 TH2F * fhMCPhotonELambda0NOverlap ; //! E vs Lambda0 from MC photons, N particles overlap
f66d95af 205
206 TH2F * fhMCLambda0vsClusterMaxCellDiffE0[6]; //! Lambda0 vs fraction of energy of max cell for E < 2 GeV
207 TH2F * fhMCLambda0vsClusterMaxCellDiffE2[6]; //! Lambda0 vs fraction of energy of max cell for 2< E < 6 GeV
208 TH2F * fhMCLambda0vsClusterMaxCellDiffE6[6]; //! Lambda0 vs fraction of energy of max cell for E > 6 GeV
209 TH2F * fhMCNCellsvsClusterMaxCellDiffE0[6]; //! NCells vs fraction of energy of max cell for E < 2
210 TH2F * fhMCNCellsvsClusterMaxCellDiffE2[6]; //! NCells vs fraction of energy of max cell for 2 < E < 6 GeV
211 TH2F * fhMCNCellsvsClusterMaxCellDiffE6[6]; //! NCells vs fraction of energy of max cell for E > 6
212 TH2F * fhMCNCellsE[6]; //! NCells per cluster vs energy
213 TH2F * fhMCMaxCellDiffClusterE[6]; //! Fraction of energy carried by cell with maximum energy
214
3d5d5078 215 //Embedding
5812a064 216 TH2F * fhEmbeddedSignalFractionEnergy ; //! Fraction of photon energy of embedded signal vs cluster energy
3d5d5078 217
5812a064 218 TH2F * fhEmbedPhotonELambda0FullSignal ; //! Lambda0 vs E for embedded photons with more than 90% of the cluster energy
219 TH2F * fhEmbedPhotonELambda0MostlySignal ; //! Lambda0 vs E for embedded photons with 90%<fraction<50%
220 TH2F * fhEmbedPhotonELambda0MostlyBkg ; //! Lambda0 vs E for embedded photons with 50%<fraction<10%
221 TH2F * fhEmbedPhotonELambda0FullBkg ; //! Lambda0 vs E for embedded photons with less than 10% of the cluster energy
3d5d5078 222
5812a064 223 TH2F * fhEmbedPi0ELambda0FullSignal ; //! Lambda0 vs E for embedded photons with more than 90% of the cluster energy
224 TH2F * fhEmbedPi0ELambda0MostlySignal ; //! Lambda0 vs E for embedded photons with 90%<fraction<50%
225 TH2F * fhEmbedPi0ELambda0MostlyBkg ; //! Lambda0 vs E for embedded photons with 50%<fraction<10%
226 TH2F * fhEmbedPi0ELambda0FullBkg ; //! Lambda0 vs E for embedded photons with less than 10% of the cluster energy
3d5d5078 227
09273901 228 // Track Matching
4bfeae64 229 TH2F * fhTrackMatchedDEta[2] ; //! Eta distance between track and cluster vs cluster E, after and before photon cuts
230 TH2F * fhTrackMatchedDPhi[2] ; //! Phi distance between track and cluster vs cluster E, after and before photon cuts
231 TH2F * fhTrackMatchedDEtaDPhi[2] ; //! Eta vs Phi distance between track and cluster, E cluster > 0.5 GeV, after and before photon cuts
232
233 TH2F * fhTrackMatchedDEtaTRD[2] ; //! Eta distance between track and cluster vs cluster E, after and before photon cuts, behind TRD
234 TH2F * fhTrackMatchedDPhiTRD[2] ; //! Phi distance between track and cluster vs cluster E, after and before photon cuts, behind TRD
235
236 TH2F * fhTrackMatchedDEtaMCOverlap[2] ; //! Eta distance between track and cluster vs cluster E, several particle overlap, after and before photon cuts
237 TH2F * fhTrackMatchedDPhiMCOverlap[2] ; //! Phi distance between track and cluster vs cluster E, several particle overlap, after and before photon cuts
238 TH2F * fhTrackMatchedDEtaMCNoOverlap[2]; //! Eta distance between track and cluster vs cluster E, not other particle overlap, after and before photon cuts
239 TH2F * fhTrackMatchedDPhiMCNoOverlap[2]; //! Phi distance between track and cluster vs cluster E, not other particle overlap, after and before photon cuts
240 TH2F * fhTrackMatchedDEtaMCConversion[2]; //! Eta distance between track and cluster vs cluster E, originated in conversion, after and before photon cuts
241 TH2F * fhTrackMatchedDPhiMCConversion[2]; //! Phi distance between track and cluster vs cluster E, originated in conversion, after and before photon cuts
242
243 TH2F * fhTrackMatchedMCParticle[2]; //! Trace origin of matched particle
244 TH2F * fhdEdx[2]; //! matched track dEdx vs cluster E, after and before photon cuts
245 TH2F * fhEOverP[2]; //! matched track E cluster over P track vs cluster E, after dEdx cut, after and before photon cuts
246 TH2F * fhEOverPTRD[2]; //! matched track E cluster over P track vs cluster E, after dEdx cut, after and before photon cuts, behind TRD
31ae6d59 247
09273901 248 AliAnaPhoton( const AliAnaPhoton & g) ; // cpy ctor
c5693f62 249 AliAnaPhoton & operator = (const AliAnaPhoton & g) ; // cpy assignment
250
4bfeae64 251 ClassDef(AliAnaPhoton,23)
6639984f 252
1c5acb87 253} ;
254
1c5acb87 255#endif//ALIANAPHOTON_H
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