1 #ifndef ALIDALITZELECTRONCUTS_H
2 #define ALIDALITZELECTRONCUTS_H
4 // Class handling all kinds of selection cuts for electrons
6 // Authors: Svein Lindal, Daniel Lohner *
9 #include "AliAODpidUtil.h"
10 //#include "AliConversionPhotonBase.h"
11 //#include "AliAODConversionMother.h"
12 #include "AliAODTrack.h"
13 #include "AliESDtrack.h"
14 #include "AliVTrack.h"
15 #include "AliAODTrack.h"
17 #include "AliAnalysisCuts.h"
18 #include "AliESDtrackCuts.h"
23 class AliConversionPhotonBase;
29 class AliAnalysisCuts;
32 class AliAnalysisManager;
37 class AliDalitzElectronCuts : public AliAnalysisCuts {
47 kpiMinMomdedxSigmaTPCCut,
48 kpiMaxMomdedxSigmaTPCCut,
49 kLowPRejectionSigmaCut,
55 kRejectSharedElecGamma,
71 Bool_t SetCutIds(TString cutString);
73 Bool_t SetCut(cutIds cutID, Int_t cut);
74 Bool_t UpdateCutString(cutIds cutID, Int_t value);
75 static const char * fgkCutNames[kNCuts];
78 Bool_t InitializeCutsFromCutString(const TString analysisCutSelection);
81 AliDalitzElectronCuts(const char *name="ElectronCuts", const char * title="Electron Cuts");
82 virtual ~AliDalitzElectronCuts(); //virtual destructor
84 virtual Bool_t IsSelected(TObject* /*obj*/){return kTRUE;}
85 virtual Bool_t IsSelected(TList* /*list*/) {return kTRUE;}
87 TString GetCutNumber();
90 Bool_t ElectronIsSelectedMC(Int_t labelParticle,AliStack *fMCStack);
91 Bool_t TrackIsSelected(AliESDtrack* lTrack);
92 Bool_t ElectronIsSelected(AliESDtrack* lTrack);
93 void InitAODpidUtil(Int_t type);
94 static AliDalitzElectronCuts * GetStandardCuts2010PbPb();
95 static AliDalitzElectronCuts * GetStandardCuts2010pp();
96 Bool_t InitPIDResponse();
98 void SetPIDResponse(AliPIDResponse * pidResponse) {fPIDResponse = pidResponse;}
99 AliPIDResponse * GetPIDResponse() { return fPIDResponse;}
103 void InitCutHistograms(TString name="",Bool_t preCut = kTRUE,TString cutName="");
104 void SetFillCutHistograms(TString name="",Bool_t preCut = kTRUE,TString cutName=""){if(!fHistograms){InitCutHistograms(name,preCut,cutName);};}
105 TList *GetCutHistograms(){return fHistograms;}
107 static AliVTrack * GetTrack(AliVEvent * event, Int_t label);
112 Bool_t dEdxCuts(AliVTrack * track);
113 Bool_t PIDProbabilityCut(AliConversionPhotonBase *photon, AliVEvent * event);
114 Bool_t RejectSharedElecGamma(TList *photons, Int_t indexEle);
115 Bool_t IsFromGammaConversion( Double_t psiPair, Double_t deltaPhi );
119 //Double_t GetPsiPair( const AliESDtrack *trackPos, const AliESDtrack *trackNeg );
121 Bool_t SetTPCdEdxCutPionLine(Int_t pidedxSigmaCut);
122 Bool_t SetTPCdEdxCutElectronLine(Int_t ededxSigmaCut);
123 Bool_t SetITSdEdxCutElectronLine(Int_t ededxSigmaCut);
124 Bool_t SetMinMomPiondEdxTPCCut(Int_t piMomdedxSigmaCut);
125 Bool_t SetMaxMomPiondEdxTPCCut(Int_t piMomdedxSigmaCut);
126 Bool_t SetITSClusterCut(Int_t clsITSCut);
127 Bool_t SetTPCClusterCut(Int_t clsTPCCut);
128 Bool_t SetEtaCut(Int_t etaCut);
129 Bool_t SetMinMomPiondEdxCut(Int_t piMinMomdedxSigmaCut);
130 Bool_t SetMaxMomPiondEdxCut(Int_t piMaxMomdedxSigmaCut);
131 Bool_t SetLowPRejectionCuts(Int_t LowPRejectionSigmaCut);
132 Bool_t SetTOFElectronPIDCut(Int_t TOFelectronPID);
133 Bool_t SetPsiPairCut(Int_t psiCut);
134 Bool_t SetRejectSharedElecGamma(Int_t RCut);
135 Bool_t SetBackgroundScheme(Int_t BackgroundScheme);
136 Bool_t SetNumberOfRotations(Int_t NumberOfRotations);
140 Double_t GetEtaCut(){ return fEtaCut;}
141 Double_t GetPsiPairCut(){ return fPsiPairCut; }
142 Double_t DoRejectSharedElecGamma(){ return fDoRejectSharedElecGamma;}
143 Double_t DoPsiPairCut(){return fDoPsiPairCut;}
144 Bool_t UseTrackMultiplicity(){ return fUseTrackMultiplicityForBG;}
145 Int_t GetBKGMethod(){ return fBKGMethod; }
146 Int_t NumberOfRotationEvents(){return fnumberOfRotationEventsForBG;}
153 AliPIDResponse *fPIDResponse;
154 AliESDtrackCuts *fesdTrackCuts;
156 Double_t fEtaCut; //eta cutç
157 Double_t fRadiusCut; // radius cut
158 Double_t fPsiPairCut;
159 Double_t fDeltaPhiCutMin;
160 Double_t fDeltaPhiCutMax;
161 Double_t fMinClsTPC; // minimum clusters in the TPC
162 Double_t fMinClsTPCToF; // minimum clusters to findable clusters
163 Bool_t fDodEdxSigmaITSCut; // flag to use the dEdxCut ITS based on sigmas
164 Bool_t fDodEdxSigmaTPCCut; // flag to use the dEdxCut TPC based on sigmas
165 Bool_t fDoTOFsigmaCut; // flag to use TOF pid cut RRnewTOF
166 Bool_t fDoRejectSharedElecGamma; //Reject electrons from the gammas with Radius < RadiusCut
167 Bool_t fDoPsiPairCut; // PsiPair Cut
168 Double_t fPIDnSigmaAboveElectronLineITS; // sigma cut
169 Double_t fPIDnSigmaBelowElectronLineITS; // sigma cut
170 Double_t fPIDnSigmaAboveElectronLineTPC; // sigma cut
171 Double_t fPIDnSigmaBelowElectronLineTPC; // sigma cut
172 Double_t fPIDnSigmaAbovePionLineTPC;
173 Double_t fPIDnSigmaAbovePionLineTPCHighPt;
174 Double_t fTofPIDnSigmaAboveElectronLine; // sigma cut RRnewTOF
175 Double_t fTofPIDnSigmaBelowElectronLine; // sigma cut RRnewTOF
176 Double_t fPIDMinPnSigmaAbovePionLineTPC; // sigma cut
177 Double_t fPIDMaxPnSigmaAbovePionLineTPC; // sigma cut
178 Double_t fDoKaonRejectionLowP; // Kaon rejection at low p
179 Double_t fDoProtonRejectionLowP; // Proton rejection at low p
180 Double_t fDoPionRejectionLowP; // Pion rejection at low p
181 Double_t fPIDnSigmaAtLowPAroundKaonLine; // sigma cut
182 Double_t fPIDnSigmaAtLowPAroundProtonLine; // sigma cut
183 Double_t fPIDnSigmaAtLowPAroundPionLine; // sigma cut
184 Double_t fPIDMinPKaonRejectionLowP; // Momentum limit to apply kaon rejection
185 Double_t fPIDMinPProtonRejectionLowP; // Momentum limit to apply proton rejection
186 Double_t fPIDMinPPionRejectionLowP; // Momentum limit to apply proton rejection
188 Bool_t fUseCorrectedTPCClsInfo; // flag to use corrected tpc cl info
189 Bool_t fUseTOFpid; // flag to use tof pid
190 Bool_t fRequireTOF; //flg to analyze only tracks with TOF signal
191 Bool_t fUseTrackMultiplicityForBG; // use multiplicity
193 Int_t fnumberOfRotationEventsForBG;
197 TObjString *fCutString; // cut number used for analysis
198 TH1F *hCutIndex; // bookkeeping for cuts
199 TH1F *hdEdxCuts; // bookkeeping for dEdx cuts
200 TH2F *hITSdEdxbefore; // ITS dEdx before cuts
202 TH2F *hTPCdEdxbefore; // TPC dEdx before cuts
203 TH2F *hTPCdEdxafter; // TPC dEdx after cuts
204 TH2F *hTPCdEdxSignalbefore; //TPC dEdx signal before
205 TH2F *hTPCdEdxSignalafter; //TPC dEdx signal after
206 TH2F *hTOFbefore; // TOF after cuts
207 TH2F *hTOFafter; // TOF after cuts
212 AliDalitzElectronCuts(const AliDalitzElectronCuts&); // not implemented
213 AliDalitzElectronCuts& operator=(const AliDalitzElectronCuts&); // not implemented
216 ClassDef(AliDalitzElectronCuts,2)
220 inline void AliDalitzElectronCuts::InitAODpidUtil(Int_t type) {
221 if (!fPIDResponse) fPIDResponse = new AliAODpidUtil();
222 Double_t alephParameters[5];
224 alephParameters[0] = 2.15898e+00/50.;
225 alephParameters[1] = 1.75295e+01;
226 alephParameters[2] = 3.40030e-09;
227 alephParameters[3] = 1.96178e+00;
228 alephParameters[4] = 3.91720e+00;
229 fPIDResponse->GetTOFResponse().SetTimeResolution(80.);
233 alephParameters[0] = 0.0283086/0.97;
234 alephParameters[1] = 2.63394e+01;
235 alephParameters[2] = 5.04114e-11;
236 alephParameters[3] = 2.12543e+00;
237 alephParameters[4] = 4.88663e+00;
238 fPIDResponse->GetTOFResponse().SetTimeResolution(130.);
239 fPIDResponse->GetTPCResponse().SetMip(50.);
242 fPIDResponse->GetTPCResponse().SetBetheBlochParameters(
243 alephParameters[0],alephParameters[1],alephParameters[2],
244 alephParameters[3],alephParameters[4]);
246 fPIDResponse->GetTPCResponse().SetSigma(3.79301e-03, 2.21280e+04);