3 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
6 //_________________________________________________________________________
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)
14 //-- Author: Gustavo Conesa (INFN-LNF) & Raphaelle Ichou (SUBATECH)
15 //_________________________________________________________________________
18 // --- ROOT system ---
22 // --- ANALYSIS system ---
23 #include "AliAnaCaloTrackCorrBaseClass.h"
25 class AliAnaPi0EbE : public AliAnaCaloTrackCorrBaseClass {
28 AliAnaPi0EbE() ; // default ctor
29 virtual ~AliAnaPi0EbE() { ; } //virtual dtor
31 TObjString * GetAnalysisCuts();
33 TList * GetCreateOutputObjects();
37 void InitParameters();
39 void MakeAnalysisFillAOD() ;
41 void MakeAnalysisFillHistograms() ;
43 void Print(const Option_t * opt) const;
47 void FillSelectedClusterHistograms(AliVCluster* cluster,
50 const Float_t asy = 0);
52 void FillWeightHistograms(AliVCluster *clus);
54 void HasPairSameMCMother(AliAODPWG4Particle * photon1,
55 AliAODPWG4Particle * photon2,
56 Int_t & label, Int_t & tag);
58 void MakeInvMassInCalorimeter() ;
60 void MakeInvMassInCalorimeterAndCTS() ;
62 void MakeShowerShapeIdentification() ;
67 enum anaTypes {kIMCalo, kSSCalo, kIMCaloTracks};
68 anaTypes GetAnalysisType() const { return fAnaType ; }
69 void SetAnalysisType(anaTypes ana) { fAnaType = ana ; }
71 TString GetInputAODGammaConvName() const { return fInputAODGammaConvName ; }
72 void SetInputAODGammaConvName(TString name) { fInputAODGammaConvName = name ; }
74 //Only for pi0 SS identification case
75 void SetCalorimeter(TString & det) { fCalorimeter = det ; }
77 void SetMinDistanceToBadChannel(Float_t m1, Float_t m2, Float_t m3) {
78 fMinDist = m1; fMinDist2 = m2; fMinDist3 = m3 ; }
80 void SetTimeCut(Double_t min, Double_t max) { fTimeCutMin = min;
82 Double_t GetTimeCutMin() const { return fTimeCutMin ; }
83 Double_t GetTimeCutMax() const { return fTimeCutMax ; }
85 void SwitchOnFillWeightHistograms() { fFillWeightHistograms = kTRUE ; }
86 void SwitchOffFillWeightHistograms() { fFillWeightHistograms = kFALSE ; }
88 void SwitchOnTMHistoFill() { fFillTMHisto = kTRUE ; }
89 void SwitchOffTMHistoFill() { fFillTMHisto = kFALSE ; }
91 void SwitchOnSelectedClusterHistoFill() { fFillSelectClHisto = kTRUE ; }
92 void SwitchOffSelectedClusterHistoFill() { fFillSelectClHisto = kFALSE ; }
95 enum mcTypes { kmcPhoton = 0, kmcConversion = 1, kmcPi0 = 2,
96 kmcEta = 3, kmcElectron = 4, kmcHadron = 5 };
100 anaTypes fAnaType; // Select analysis type
102 //Only for pi0 SS identification case, kSSCalo
103 TString fCalorimeter ; // Calorimeter where the gamma is searched;
104 Float_t fMinDist ; // Minimal distance to bad channel to accept cluster
105 Float_t fMinDist2; // Cuts on Minimal distance to study acceptance evaluation
106 Float_t fMinDist3; // One more cut on distance used for acceptance-efficiency study
107 Double_t fTimeCutMin ; // Remove clusters/cells with time smaller than this value, in ns
108 Double_t fTimeCutMax ; // Remove clusters/cells with time larger than this value, in ns
110 Bool_t fFillWeightHistograms ; // Fill weigth histograms
111 Bool_t fFillTMHisto; // Fill track matching plots
112 Bool_t fFillSelectClHisto; // Fill selected cluster histograms
114 //Only for combination of calorimeter and conversion photons, kIMCaloTracks
115 TString fInputAODGammaConvName; // Name of AOD branch with conversion photons
119 TH1F * fhPt ; //! Number of identified pi0/eta vs pT
120 TH1F * fhE ; //! Number of identified pi0/eta vs E
121 TH2F * fhEEta ; //! E vs eta of identified pi0/eta
122 TH2F * fhEPhi ; //! E vs phi of identified pi0/eta
123 TH2F * fhEtaPhi ; //! eta vs phi of identified pi0/eta
125 TH1F * fhPtDecay ; //! Number of identified pi0/eta decay photons vs pT
126 TH1F * fhEDecay ; //! Number of identified pi0/eta decay photons vs E
128 TH2F * fhEDispersion ; //! E vs disp of selected cluster
129 TH2F * fhELambda0 ; //! E vs lambda0 of selected cluster
130 TH2F * fhELambda1 ; //! E vs lambda1 of selected cluster
131 TH2F * fhELambda0NoTRD ; //! E vs lambda0 of selected cluster, not behind TRD
132 TH2F * fhELambda0FracMaxCellCut ;//! E vs lambda0 of selected cluster, fraction of cluster energy in max cell cut
133 TH2F * fhEFracMaxCell ; //! E vs frac max cell of selected cluster
134 TH2F * fhEFracMaxCellNoTRD ; //! E vs frac max cell of selected cluster, not behind TRD
135 TH2F * fhENCells; //! E vs N cells in selected cluster
136 TH2F * fhETime; //! E vs Time of selected cluster
137 TH2F * fhEPairDiffTime; //! E vs Pair of clusters time difference vs E
139 TH2F * fhDispEtaE ; //! shower dispersion in eta direction
140 TH2F * fhDispPhiE ; //! shower dispersion in phi direction
141 TH2F * fhLambda0DispEta[7] ; //! shower shape correlation l0 vs disp eta
142 TH2F * fhLambda0DispPhi[7] ; //! shower shape correlation l0 vs disp phi
143 TH2F * fhSumEtaE ; //! shower dispersion in eta direction
144 TH2F * fhSumPhiE ; //! shower dispersion in phi direction
145 TH2F * fhSumEtaPhiE ; //! shower dispersion in eta and phi direction
146 TH2F * fhDispEtaPhiDiffE ; //! shower dispersion eta - phi
147 TH2F * fhSphericityE ; //! shower sphericity in eta vs phi
148 TH2F * fhDispEtaDispPhi[7] ; //! shower dispersion in eta direction vs phi direction for 5 E bins [0-2],[2-4],[4-6],[6-10],[> 10]
149 TH2F * fhAsymmetryE ; //! E asymmetry of 2 splitted clusters vs cluster E
150 TH2F * fhAsymmetryLambda0[7] ; //! E asymmetry of 2 splitted clusters vs lam0 for 5 E bins
151 TH2F * fhAsymmetryDispEta[7] ; //! E asymmetry of 2 splitted clusters vs lam0 for 5 E bins
152 TH2F * fhAsymmetryDispPhi[7] ; //! E asymmetry of 2 splitted clusters vs lam0 for 5 E bins
156 TH2F * fhEMCLambda0[6] ; //! E vs lambda0 of pi0 pairs but really from MC particle
157 TH2F * fhEMCLambda1[6] ; //! E vs lambda1 of pi0 pairs but really from MC particle
158 TH2F * fhEMCDispersion[6] ; //! E vs dispersion of pi0 pairs but really from MC particle
159 TH2F * fhEMCLambda0NoTRD[6] ; //! E vs lambda0 of pi0 pairs but really from MC particle, not behind TRD
160 TH2F * fhEMCLambda0FracMaxCellCut[6] ;//! E vs lambda0 of pi0 pairs but really from MC particle, fraction of cluster energy in max cell cut
161 TH2F * fhEMCFracMaxCell[6] ; //! E vs fraction of max cell
163 TH2F * fhMCEDispEta[6] ; //! shower dispersion in eta direction
164 TH2F * fhMCEDispPhi[6] ; //! shower dispersion in phi direction
165 TH2F * fhMCLambda0DispEta[7][6] ;//! shower shape correlation l0 vs disp eta
166 TH2F * fhMCLambda0DispPhi[7][6] ;//! shower shape correlation l0 vs disp phi
167 TH2F * fhMCESumEtaPhi[6] ; //! shower dispersion in eta vs phi direction
168 TH2F * fhMCEDispEtaPhiDiff[6] ; //! shower dispersion in eta -phi direction
169 TH2F * fhMCESphericity[6] ; //! shower sphericity, eta vs phi
170 TH2F * fhMCDispEtaDispPhi[7][6] ;//! shower dispersion in eta direction vs phi direction for 5 E bins [0-2],[2-4],[4-6],[6-10],[> 10]
171 TH2F * fhMCEAsymmetry[6] ; //! E asymmetry of 2 splitted clusters vs cluster E
172 TH2F * fhMCAsymmetryLambda0[7][6] ; //! E asymmetry of 2 splitted clusters vs lam0 for 5 E bins
173 TH2F * fhMCAsymmetryDispEta[7][6] ; //! E asymmetry of 2 splitted clusters vs lam0 for 5 E bins
174 TH2F * fhMCAsymmetryDispPhi[7][6] ; //! E asymmetry of 2 splitted clusters vs lam0 for 5 E bins
176 TH1F * fhPtMCNo; //! Number of identified pi0, not coming from pi0/eta
177 TH2F * fhPhiMCNo; //! Phi of identified pi0, not coming from pi0/eta
178 TH2F * fhEtaMCNo; //! eta of identified pi0, not coming from pi0/eta
179 TH1F * fhPtMC; //! Number of identified pi0, coming from pi0/eta
180 TH2F * fhPhiMC; //! Phi of identified pi0, coming from pi0/eta
181 TH2F * fhEtaMC; //! eta of identified pi0, coming from pi0/eta
183 TH2F * fhMassPairMCPi0; //! pair mass, origin is same pi0
184 TH2F * fhMassPairMCEta; //! pair mass, origin is same eta
185 TH2F * fhAnglePairMCPi0; //! pair opening angle, origin is same pi0
186 TH2F * fhAnglePairMCEta; //! pair opening angle, origin is same eta
190 TH2F * fhECellClusterRatio; //! e cell / e cluster vs e cluster for selected photons
191 TH2F * fhECellClusterLogRatio; //! log (e cell / e cluster) vs e cluster for selected photons
192 TH2F * fhEMaxCellClusterRatio; //! e max cell / e cluster vs e cluster for selected photons
193 TH2F * fhEMaxCellClusterLogRatio;//! log (e max cell / e cluster) vs e cluster for selected photons
194 TH2F * fhLambda0ForW0[14]; //! L0 for 7 defined w0= 3, 3.5 ... 6 for selected photons
195 //TH2F * fhLambda1ForW0[7]; //! L1 for 7 defined w0= 3, 3.5 ... 6 for selected photons
198 TH2F * fhTrackMatchedDEta ; //! Eta distance between track and cluster vs cluster E
199 TH2F * fhTrackMatchedDPhi ; //! Phi distance between track and cluster vs cluster E
200 TH2F * fhTrackMatchedDEtaDPhi ; //! Eta vs Phi distance between track and cluster, E cluster > 0.5 GeV
201 TH2F * fhTrackMatchedMCParticle; //! Trace origin of matched particle
202 TH2F * fhdEdx ; //! matched track dEdx vs cluster E
203 TH2F * fhEOverP; //! matched track E cluster over P track vs cluster E
204 TH2F * fhEOverPNoTRD; //! matched track E cluster over P track vs cluster E, not behind TRD
207 TH2F * fhNLocMax; //! number of maxima in selected clusters
208 TH2F * fhELambda0LocMax[3] ; //! E vs lambda0 of selected cluster, 1,2,>2 local maxima in cluster
209 TH2F * fhELambda1LocMax[3] ; //! E vs lambda1 of selected cluster, 1,2,>2 local maxima in cluster
210 TH2F * fhEDispersionLocMax[3] ; //! E vs lambda1 of selected cluster, 1,2,>2 local maxima in cluster
211 TH2F * fhEDispEtaLocMax[3] ; //! E vs eta dispersion of selected cluster, 1,2,>2 local maxima in cluster
212 TH2F * fhEDispPhiLocMax[3] ; //! E vs phi dispersion of selected cluster, 1,2,>2 local maxima in cluster
213 TH2F * fhESumEtaPhiLocMax[3] ; //! E vs dispersion in eta and phi direction
214 TH2F * fhEDispEtaPhiDiffLocMax[3] ; //! E vs dispersion eta - phi
215 TH2F * fhESphericityLocMax[3] ; //! E vs sphericity in eta vs phi
216 TH2F * fhEAsymmetryLocMax[3] ; //! E asymmetry of 2 splitted clusters vs cluster E for different NLM
218 TH2F * fhMassPairLocMax[8]; //! pair mass, origin is same pi0, combine clusters depending on number of maxima
220 AliAnaPi0EbE( const AliAnaPi0EbE & pi0ebe) ; // cpy ctor
221 AliAnaPi0EbE & operator = (const AliAnaPi0EbE & pi0ebe) ; // cpy assignment
223 ClassDef(AliAnaPi0EbE,17)
227 #endif //ALIANAPI0EBE_H