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477d6cee | 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 */ | |
477d6cee | 5 | |
6 | //_________________________________________________________________________ | |
7 | // | |
8 | // Class for the analysis of high pT pi0 event by event | |
09273901 | 9 | // Pi0/Eta identified by one of the following: |
477d6cee | 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 --- | |
477d6cee | 19 | class TList ; |
0c1383b5 | 20 | class TObjString; |
477d6cee | 21 | |
22 | // --- ANALYSIS system --- | |
745913ae | 23 | #include "AliAnaCaloTrackCorrBaseClass.h" |
477d6cee | 24 | |
745913ae | 25 | class AliAnaPi0EbE : public AliAnaCaloTrackCorrBaseClass { |
477d6cee | 26 | |
27 | public: | |
477d6cee | 28 | AliAnaPi0EbE() ; // default ctor |
1db06135 | 29 | virtual ~AliAnaPi0EbE() { ; } //virtual dtor |
c5693f62 | 30 | |
521636d2 | 31 | TObjString * GetAnalysisCuts(); |
477d6cee | 32 | |
521636d2 | 33 | TList * GetCreateOutputObjects(); |
477d6cee | 34 | |
3455f821 | 35 | Int_t GetMCIndex(const Int_t aodTag); |
36 | ||
521636d2 | 37 | void Init(); |
477d6cee | 38 | |
521636d2 | 39 | void InitParameters(); |
40 | ||
41 | void MakeAnalysisFillAOD() ; | |
42 | ||
43 | void MakeAnalysisFillHistograms() ; | |
477d6cee | 44 | |
521636d2 | 45 | void Print(const Option_t * opt) const; |
477d6cee | 46 | |
521636d2 | 47 | // Main |
477d6cee | 48 | |
2ad19c3d | 49 | void FillPileUpHistograms(Float_t energy, Float_t time) ; |
50 | ||
5c46c992 | 51 | void FillSelectedClusterHistograms(AliVCluster* cluster, |
52 | const Int_t nLocMax, | |
bfdcf7fb | 53 | const Int_t tag, |
54 | const Float_t asy = 0); | |
42d47cb7 | 55 | |
56 | void FillWeightHistograms(AliVCluster *clus); | |
0a14e9ae | 57 | |
b5dbb99b | 58 | void HasPairSameMCMother(AliAODPWG4Particle * photon1, |
59 | AliAODPWG4Particle * photon2, | |
60 | Int_t & label, Int_t & tag); | |
61 | ||
521636d2 | 62 | void MakeInvMassInCalorimeter() ; |
57b97dc6 | 63 | |
521636d2 | 64 | void MakeInvMassInCalorimeterAndCTS() ; |
57b97dc6 | 65 | |
521636d2 | 66 | void MakeShowerShapeIdentification() ; |
dbba06ca | 67 | |
521636d2 | 68 | //Setters Getters |
69 | ||
70 | //Analysis types | |
71 | enum anaTypes {kIMCalo, kSSCalo, kIMCaloTracks}; | |
764ab1f4 | 72 | anaTypes GetAnalysisType() const { return fAnaType ; } |
73 | void SetAnalysisType(anaTypes ana) { fAnaType = ana ; } | |
ddc0a8a5 | 74 | |
764ab1f4 | 75 | TString GetInputAODGammaConvName() const { return fInputAODGammaConvName ; } |
76 | void SetInputAODGammaConvName(TString name) { fInputAODGammaConvName = name ; } | |
ddc0a8a5 | 77 | |
521636d2 | 78 | //Only for pi0 SS identification case |
764ab1f4 | 79 | void SetCalorimeter(TString & det) { fCalorimeter = det ; } |
521636d2 | 80 | |
81 | void SetMinDistanceToBadChannel(Float_t m1, Float_t m2, Float_t m3) { | |
78a28af3 | 82 | fMinDist = m1; fMinDist2 = m2; fMinDist3 = m3 ; } |
34c16486 | 83 | |
a6e83e39 | 84 | void SetNLMCut(Double_t min, Double_t max) { fNLMCutMin = min; |
85 | fNLMCutMax = max ; } | |
86 | Double_t GetNLMCutMin() const { return fNLMCutMin ; } | |
87 | Double_t GetNLMCutMax() const { return fNLMCutMax ; } | |
88 | ||
34c16486 | 89 | void SetTimeCut(Double_t min, Double_t max) { fTimeCutMin = min; |
764ab1f4 | 90 | fTimeCutMax = max ; } |
91 | Double_t GetTimeCutMin() const { return fTimeCutMin ; } | |
92 | Double_t GetTimeCutMax() const { return fTimeCutMax ; } | |
93 | ||
2ad19c3d | 94 | void SwitchOnFillPileUpHistograms() { fFillPileUpHistograms = kTRUE ; } |
95 | void SwitchOffFillPileUpHistograms() { fFillPileUpHistograms = kFALSE ; } | |
96 | ||
764ab1f4 | 97 | void SwitchOnFillWeightHistograms() { fFillWeightHistograms = kTRUE ; } |
98 | void SwitchOffFillWeightHistograms() { fFillWeightHistograms = kFALSE ; } | |
99 | ||
100 | void SwitchOnTMHistoFill() { fFillTMHisto = kTRUE ; } | |
101 | void SwitchOffTMHistoFill() { fFillTMHisto = kFALSE ; } | |
521636d2 | 102 | |
764ab1f4 | 103 | void SwitchOnSelectedClusterHistoFill() { fFillSelectClHisto = kTRUE ; } |
104 | void SwitchOffSelectedClusterHistoFill() { fFillSelectClHisto = kFALSE ; } | |
c5693f62 | 105 | |
764ab1f4 | 106 | void SwitchOnOnlySimpleSSHistoFill() { fFillOnlySimpleSSHisto = kTRUE ; } |
107 | void SwitchOffOnlySimpleHistoFill() { fFillOnlySimpleSSHisto = kFALSE ; } | |
09273901 | 108 | |
06e81356 | 109 | |
521636d2 | 110 | //For histograms |
c5693f62 | 111 | enum mcTypes { kmcPhoton = 0, kmcConversion = 1, kmcPi0 = 2, |
112 | kmcEta = 3, kmcElectron = 4, kmcHadron = 5 }; | |
521636d2 | 113 | |
477d6cee | 114 | private: |
115 | ||
c5693f62 | 116 | anaTypes fAnaType; // Select analysis type |
477d6cee | 117 | |
118 | //Only for pi0 SS identification case, kSSCalo | |
521636d2 | 119 | TString fCalorimeter ; // Calorimeter where the gamma is searched; |
120 | Float_t fMinDist ; // Minimal distance to bad channel to accept cluster | |
121 | Float_t fMinDist2; // Cuts on Minimal distance to study acceptance evaluation | |
122 | Float_t fMinDist3; // One more cut on distance used for acceptance-efficiency study | |
a6e83e39 | 123 | Double_t fNLMCutMin ; // Remove clusters/cells with number of local maxima smaller than this value |
124 | Double_t fNLMCutMax ; // Remove clusters/cells with number of local maxima larger than this value | |
34c16486 | 125 | Double_t fTimeCutMin ; // Remove clusters/cells with time smaller than this value, in ns |
126 | Double_t fTimeCutMax ; // Remove clusters/cells with time larger than this value, in ns | |
a6e83e39 | 127 | |
2ad19c3d | 128 | Bool_t fFillPileUpHistograms; // Fill pile-up related histograms |
78a28af3 | 129 | Bool_t fFillWeightHistograms ; // Fill weigth histograms |
09273901 | 130 | Bool_t fFillTMHisto; // Fill track matching plots |
06e81356 | 131 | Bool_t fFillSelectClHisto; // Fill selected cluster histograms |
764ab1f4 | 132 | Bool_t fFillOnlySimpleSSHisto; // Fill selected cluster histograms, selected SS histograms |
09273901 | 133 | |
477d6cee | 134 | //Only for combination of calorimeter and conversion photons, kIMCaloTracks |
521636d2 | 135 | TString fInputAODGammaConvName; // Name of AOD branch with conversion photons |
477d6cee | 136 | |
137 | //Histograms | |
521636d2 | 138 | |
09273901 | 139 | TH1F * fhPt ; //! Number of identified pi0/eta vs pT |
140 | TH1F * fhE ; //! Number of identified pi0/eta vs E | |
141 | TH2F * fhEEta ; //! E vs eta of identified pi0/eta | |
142 | TH2F * fhEPhi ; //! E vs phi of identified pi0/eta | |
143 | TH2F * fhEtaPhi ; //! eta vs phi of identified pi0/eta | |
7a972c0c | 144 | |
09273901 | 145 | TH1F * fhPtDecay ; //! Number of identified pi0/eta decay photons vs pT |
146 | TH1F * fhEDecay ; //! Number of identified pi0/eta decay photons vs E | |
147 | ||
42d47cb7 | 148 | TH2F * fhEDispersion ; //! E vs disp of selected cluster |
149 | TH2F * fhELambda0 ; //! E vs lambda0 of selected cluster | |
150 | TH2F * fhELambda1 ; //! E vs lambda1 of selected cluster | |
151 | TH2F * fhELambda0NoTRD ; //! E vs lambda0 of selected cluster, not behind TRD | |
152 | TH2F * fhELambda0FracMaxCellCut ;//! E vs lambda0 of selected cluster, fraction of cluster energy in max cell cut | |
153 | TH2F * fhEFracMaxCell ; //! E vs frac max cell of selected cluster | |
154 | TH2F * fhEFracMaxCellNoTRD ; //! E vs frac max cell of selected cluster, not behind TRD | |
155 | TH2F * fhENCells; //! E vs N cells in selected cluster | |
156 | TH2F * fhETime; //! E vs Time of selected cluster | |
157 | TH2F * fhEPairDiffTime; //! E vs Pair of clusters time difference vs E | |
5c46c992 | 158 | |
34c16486 | 159 | TH2F * fhDispEtaE ; //! shower dispersion in eta direction |
160 | TH2F * fhDispPhiE ; //! shower dispersion in phi direction | |
d2655d46 | 161 | TH2F * fhLambda0DispEta[7] ; //! shower shape correlation l0 vs disp eta |
162 | TH2F * fhLambda0DispPhi[7] ; //! shower shape correlation l0 vs disp phi | |
34c16486 | 163 | TH2F * fhSumEtaE ; //! shower dispersion in eta direction |
164 | TH2F * fhSumPhiE ; //! shower dispersion in phi direction | |
165 | TH2F * fhSumEtaPhiE ; //! shower dispersion in eta and phi direction | |
166 | TH2F * fhDispEtaPhiDiffE ; //! shower dispersion eta - phi | |
167 | TH2F * fhSphericityE ; //! shower sphericity in eta vs phi | |
d2655d46 | 168 | TH2F * fhDispEtaDispPhi[7] ; //! shower dispersion in eta direction vs phi direction for 5 E bins [0-2],[2-4],[4-6],[6-10],[> 10] |
bfdcf7fb | 169 | TH2F * fhAsymmetryE ; //! E asymmetry of 2 splitted clusters vs cluster E |
d2655d46 | 170 | TH2F * fhAsymmetryLambda0[7] ; //! E asymmetry of 2 splitted clusters vs lam0 for 5 E bins |
171 | TH2F * fhAsymmetryDispEta[7] ; //! E asymmetry of 2 splitted clusters vs lam0 for 5 E bins | |
172 | TH2F * fhAsymmetryDispPhi[7] ; //! E asymmetry of 2 splitted clusters vs lam0 for 5 E bins | |
bfdcf7fb | 173 | |
c4a7d28a | 174 | //MC histograms |
175 | ||
3455f821 | 176 | TH2F * fhEMCLambda0[6] ; //! E vs lambda0 of pi0 pairs but really from MC particle |
177 | TH2F * fhEMCLambda1[6] ; //! E vs lambda1 of pi0 pairs but really from MC particle | |
178 | TH2F * fhEMCDispersion[6] ; //! E vs dispersion of pi0 pairs but really from MC particle | |
3bfcb597 | 179 | TH2F * fhEMCLambda0NoTRD[6] ; //! E vs lambda0 of pi0 pairs but really from MC particle, not behind TRD |
180 | TH2F * fhEMCLambda0FracMaxCellCut[6] ;//! E vs lambda0 of pi0 pairs but really from MC particle, fraction of cluster energy in max cell cut | |
3455f821 | 181 | TH2F * fhEMCFracMaxCell[6] ; //! E vs fraction of max cell |
182 | ||
183 | TH2F * fhMCEDispEta[6] ; //! shower dispersion in eta direction | |
184 | TH2F * fhMCEDispPhi[6] ; //! shower dispersion in phi direction | |
185 | TH2F * fhMCLambda0DispEta[7][6] ; //! shower shape correlation l0 vs disp eta | |
186 | TH2F * fhMCLambda0DispPhi[7][6] ; //! shower shape correlation l0 vs disp phi | |
187 | TH2F * fhMCESumEtaPhi[6] ; //! shower dispersion in eta vs phi direction | |
188 | TH2F * fhMCEDispEtaPhiDiff[6] ; //! shower dispersion in eta -phi direction | |
189 | TH2F * fhMCESphericity[6] ; //! shower sphericity, eta vs phi | |
190 | 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] | |
bfdcf7fb | 191 | TH2F * fhMCEAsymmetry[6] ; //! E asymmetry of 2 splitted clusters vs cluster E |
d2655d46 | 192 | TH2F * fhMCAsymmetryLambda0[7][6] ; //! E asymmetry of 2 splitted clusters vs lam0 for 5 E bins |
193 | TH2F * fhMCAsymmetryDispEta[7][6] ; //! E asymmetry of 2 splitted clusters vs lam0 for 5 E bins | |
194 | TH2F * fhMCAsymmetryDispPhi[7][6] ; //! E asymmetry of 2 splitted clusters vs lam0 for 5 E bins | |
34c16486 | 195 | |
3455f821 | 196 | TH1F * fhMCPt[6]; //! Number of identified as pi0, coming from X |
197 | TH2F * fhMCPhi[6]; //! Phi of identified as pi0, coming from X | |
198 | TH2F * fhMCEta[6]; //! eta of identified as pi0, coming from X | |
199 | ||
883411b2 | 200 | TH2F * fhMCPi0PtGenRecoFraction; //! SS id, clusters id as pi0 (eta), coming from 2 photon, pi0 primary, pt vs E prim pi0 / E reco |
201 | TH2F * fhMCEtaPtGenRecoFraction; //! SS id, clusters id as pi0 (eta), coming from 2 photon, eta primary, pt vs E prim eta / E reco | |
202 | TH1F * fhMCPi0DecayPt; //! SS id, clusters id as pi0 (eta), coming from 1 photon, pi0 decay primary, pt | |
203 | TH2F * fhMCPi0DecayPtFraction; //! SS id, clusters id as pi0 (eta), coming from 1 photon, pi0 decay primary, pt vs pt decay / pt mother | |
204 | TH1F * fhMCEtaDecayPt; //! SS id, clusters id as pi0 (eta), coming from 1 photon, eta decay primary, pt | |
205 | TH2F * fhMCEtaDecayPtFraction; //! SS id, clusters id as pi0 (eta), coming from 1 photon, eta decay primary, pt vs pt decay / pt mother | |
206 | TH1F * fhMCOtherDecayPt; //! SS id, clusters id as pi0 (eta), coming from 1 photon, other decay primary, pt | |
b5dbb99b | 207 | |
3455f821 | 208 | TH2F * fhMassPairMCPi0; //! pair mass, origin is same pi0 |
209 | TH2F * fhMassPairMCEta; //! pair mass, origin is same eta | |
210 | TH2F * fhAnglePairMCPi0; //! pair opening angle, origin is same pi0 | |
211 | TH2F * fhAnglePairMCEta; //! pair opening angle, origin is same eta | |
521636d2 | 212 | |
78a28af3 | 213 | // Weight studies |
214 | ||
215 | TH2F * fhECellClusterRatio; //! e cell / e cluster vs e cluster for selected photons | |
216 | TH2F * fhECellClusterLogRatio; //! log (e cell / e cluster) vs e cluster for selected photons | |
217 | TH2F * fhEMaxCellClusterRatio; //! e max cell / e cluster vs e cluster for selected photons | |
218 | TH2F * fhEMaxCellClusterLogRatio;//! log (e max cell / e cluster) vs e cluster for selected photons | |
c5693f62 | 219 | TH2F * fhLambda0ForW0[14]; //! L0 for 7 defined w0= 3, 3.5 ... 6 for selected photons |
1a72f6c5 | 220 | //TH2F * fhLambda1ForW0[7]; //! L1 for 7 defined w0= 3, 3.5 ... 6 for selected photons |
78a28af3 | 221 | |
09273901 | 222 | // Track Matching |
223 | TH2F * fhTrackMatchedDEta ; //! Eta distance between track and cluster vs cluster E | |
224 | TH2F * fhTrackMatchedDPhi ; //! Phi distance between track and cluster vs cluster E | |
225 | TH2F * fhTrackMatchedDEtaDPhi ; //! Eta vs Phi distance between track and cluster, E cluster > 0.5 GeV | |
5c46c992 | 226 | TH2F * fhTrackMatchedMCParticle; //! Trace origin of matched particle |
31ae6d59 | 227 | TH2F * fhdEdx ; //! matched track dEdx vs cluster E |
b5dbb99b | 228 | TH2F * fhEOverP; //! matched track E cluster over P track vs cluster E |
b5dbb99b | 229 | TH2F * fhEOverPNoTRD; //! matched track E cluster over P track vs cluster E, not behind TRD |
230 | ||
5c46c992 | 231 | // Local maxima |
232 | TH2F * fhNLocMax; //! number of maxima in selected clusters | |
34c16486 | 233 | TH2F * fhELambda0LocMax[3] ; //! E vs lambda0 of selected cluster, 1,2,>2 local maxima in cluster |
234 | TH2F * fhELambda1LocMax[3] ; //! E vs lambda1 of selected cluster, 1,2,>2 local maxima in cluster | |
235 | TH2F * fhEDispersionLocMax[3] ; //! E vs lambda1 of selected cluster, 1,2,>2 local maxima in cluster | |
236 | TH2F * fhEDispEtaLocMax[3] ; //! E vs eta dispersion of selected cluster, 1,2,>2 local maxima in cluster | |
237 | TH2F * fhEDispPhiLocMax[3] ; //! E vs phi dispersion of selected cluster, 1,2,>2 local maxima in cluster | |
238 | TH2F * fhESumEtaPhiLocMax[3] ; //! E vs dispersion in eta and phi direction | |
239 | TH2F * fhEDispEtaPhiDiffLocMax[3] ; //! E vs dispersion eta - phi | |
240 | TH2F * fhESphericityLocMax[3] ; //! E vs sphericity in eta vs phi | |
bfdcf7fb | 241 | TH2F * fhEAsymmetryLocMax[3] ; //! E asymmetry of 2 splitted clusters vs cluster E for different NLM |
242 | ||
3c1d9afb | 243 | TH2F * fhMassPairLocMax[8]; //! pair mass, origin is same pi0, combine clusters depending on number of maxima |
5c46c992 | 244 | |
2ad19c3d | 245 | // Pile-up |
246 | TH2F * fhTimeENoCut; //! time of cluster vs E, no cut | |
247 | TH2F * fhTimeESPD; //! time of cluster vs E, IsSPDPileUp | |
248 | TH2F * fhTimeESPDMulti; //! time of cluster vs E, IsSPDPileUpMulti | |
249 | TH2F * fhTimeNPileUpVertSPD; //! time of cluster vs n pile-up vertices from SPD | |
250 | TH2F * fhTimeNPileUpVertTrack; //! time of cluster vs n pile-up vertices from Tracks | |
251 | TH2F * fhTimeNPileUpVertContributors; //! time of cluster vs n pile-up vertex from SPD contributors | |
252 | TH2F * fhTimePileUpMainVertexZDistance; //! time of cluster vs difference of z main vertex and pile-up vertex | |
253 | TH2F * fhTimePileUpMainVertexZDiamond; //! time of cluster vs difference of z diamond and pile-up vertex | |
254 | ||
bfdcf7fb | 255 | AliAnaPi0EbE( const AliAnaPi0EbE & pi0ebe) ; // cpy ctor |
256 | AliAnaPi0EbE & operator = (const AliAnaPi0EbE & pi0ebe) ; // cpy assignment | |
c5693f62 | 257 | |
a6e83e39 | 258 | ClassDef(AliAnaPi0EbE,22) |
c4a7d28a | 259 | } ; |
477d6cee | 260 | |
261 | ||
262 | #endif //ALIANAPI0EBE_H | |
263 | ||
264 | ||
265 |