1 #ifndef AliAnalysisTaskPi0Flow_cxx
2 #define AliAnalysisTaskPi0Flow_cxx
4 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
5 * See cxx source for full Copyright notice */
7 // Analysis task to fill histograms with PHOS ESD or AOD clusters and cells
8 // Authors : Dmitri Peressounko
10 // Modified: 03.08.2012 Henrik Qvigstad
20 class AliESDtrackCuts;
21 class AliPHOSGeometry;
23 class AliPHOSCalibData;
25 class AliESDCaloCluster ;
27 class AliAnalysisUtils;
31 #include "AliAnalysisTaskSE.h"
33 class AliAnalysisTaskPi0Flow : public AliAnalysisTaskSE {
35 enum Period { kUndefinedPeriod, kLHC10h, kLHC11h, kLHC13 };
36 enum EventSelection { kTotal, kInternalTriggerMaskSelection, kHasVertex, kHasAbsVertex, kHasCentrality, kCentUnderUpperBinUpperEdge, kCentOverLowerBinLowerEdge, kHasPHOSClusters, kTotalSelected };
37 enum TriggerSelection { kNoSelection, kCentralInclusive, kCentralExclusive, kSemiCentralInclusive, kSemiCentralExclusive, kMBInclusive, kMBExclusive };
40 AliAnalysisTaskPi0Flow(const char *name = "AliAnalysisTaskPi0Flow", Period period = kUndefinedPeriod);
41 virtual ~AliAnalysisTaskPi0Flow();
43 virtual void UserCreateOutputObjects();
44 virtual void UserExec(Option_t *option);
45 /* virtual void Terminate(Option_t *); */
47 void SetPeriod(Period period) { fPeriod = period;}
48 void EnableTOFCut(Bool_t enable = kTRUE, Double_t TOFCut = 100.e-9, Bool_t fillWide=kFALSE){fTOFCutEnabled=enable; fTOFCut=TOFCut; fFillWideTOF=fillWide;}
50 void SetCentralityBinning(const TArrayD& edges, const TArrayI& nMixed);
51 void SetEventMixingRPBinning(UInt_t nBins) { fNEMRPBins = nBins; }
52 void SetInternalTriggerSelection(TriggerSelection selection) { fInternalTriggerSelection = selection; }
53 void SetMaxAbsVertexZ(Float_t z) { fMaxAbsVertexZ = z; }
54 void SetManualV0EPCalc(Bool_t manCalc = true) {fManualV0EPCalc = manCalc;}
55 void SetEnablePHOSModule(int module, Bool_t enable = true);
57 void SetPHOSBadMap(Int_t mod,TH2I * badMapHist);
58 //Where to read AODB object with EP calibration if not default
59 void SetEPcalibFileName(const TString filename) {fEPcalibFileName = filename; }
63 AliAnalysisTaskPi0Flow(const AliAnalysisTaskPi0Flow&); // not implemented
64 AliAnalysisTaskPi0Flow& operator=(const AliAnalysisTaskPi0Flow&); // not implemented
67 AliVEvent* GetEvent();
69 // Step 1 (done once):
71 void SetMisalignment();
72 void SetV0Calibration(); //V0 calibration
73 void SetESDTrackCuts(); // AliESDtrack cuts ( for esd data )
74 void SetPHOSCalibData(); // phos re-calibration ( for esd data)
75 void SetFlatteningData(); // phos flattening
78 Bool_t RejectTriggerMaskSelection();
82 Bool_t RejectEventVertex();
86 Bool_t RejectCentrality();
89 void EvalReactionPlane();
90 void EvalV0ReactionPlane();
92 // Step 7: QA PHOS cells
93 void FillPHOSCellQAHists();
95 // Step 8: Event Photons (PHOS Clusters) selection
96 virtual void SelectPhotonClusters();
97 virtual void FillSelectedClusterHistograms();
99 // Step 9: Consider pi0 (photon/cluster) pairs.
100 virtual void ConsiderPi0s();
103 virtual void ConsiderPi0sMix();
106 virtual void ProcessMC();
108 // Step 12: Update lists
111 Bool_t AreNeibors(Int_t id1,Int_t id2) ;
112 Double_t ApplyFlattening(Double_t phi, Double_t c) ; //Apply centrality-dependent flattening
113 Double_t ApplyFlatteningV0A(Double_t phi, Double_t c) ; //Apply centrality-dependent flattening
114 Double_t ApplyFlatteningV0C(Double_t phi, Double_t c) ; //Apply centrality-dependent flattening
115 Int_t ConvertToInternalRunNumber(Int_t run) ;
116 Double_t CoreEnergy(AliVCluster * clu, AliVCaloCells * cells);
117 void EvalCoreLambdas(AliVCluster * clu, AliVCaloCells * cells, Double_t &m02, Double_t &m20) ;
118 Bool_t TestCoreLambda(Double_t pt,Double_t l1,Double_t l2) ;
123 void FillHistogram(const char * key,Double_t x) const ; //Fill 1D histogram witn name key
124 void FillHistogram(const char * key,Double_t x, Double_t y) const ; //Fill 2D histogram witn name key
125 void FillHistogram(const char * key,Double_t x, Double_t y, Double_t z) const ; //Fill 3D histogram witn name key
126 void FillHistogram(const char * key,Double_t x, Double_t y, Double_t z, Double_t w) const ; //Fill 3D histogram witn name key
128 TVector3 GetVertexVector(const AliVVertex* vertex);
129 Int_t GetCentralityBin(Float_t centralityV0M);
132 void LogProgress(int step);
133 void LogSelection(int step, int internalRunNumber);
135 Bool_t IsGoodChannel(const char * det, Int_t mod,Int_t ix, Int_t iz); //Use addisional bad map for PHOS
138 void Reclusterize(AliVCluster * clu) ;
139 Double_t TestCPV(Double_t dx, Double_t dz, Double_t pt, Int_t charge);
140 Bool_t TestLambda(Double_t pt,Double_t l1,Double_t l2) ; //Evaluate Dispersion cuts for photons
141 Bool_t TestLambda2(Double_t pt,Double_t l1,Double_t l2) ; //Evaluate Dispersion cuts for photons
143 UInt_t GetNumberOfCentralityBins() { return fCentEdges.GetSize()-1; }
144 TList* GetCaloPhotonsPHOSList(UInt_t vtxBin, UInt_t centBin, UInt_t rpBin);
146 AliAnalysisUtils* GetAnalysisUtils();
150 // transiant constants
151 static const Int_t kNMod = 5;
154 static const Double_t kLogWeight= 4.5 ; // log weight for recalibration.
155 static const Double_t kAlphaCut=0.7 ;
156 static const Bool_t doESDReCalibration = kTRUE;
157 static const Int_t kNCenBins = 9; // see EvalV0ReactionPlane()
159 // cluster cut variables:
160 static const Double_t kMinClusterEnergy = 0.3;
161 static const Double_t kMinBCDistance = 2.5; //distance to nearest bad channel
162 static const Int_t kMinNCells = 3;
163 static const Double_t kMinM02 = 0.2;
165 // Binning, [vtx, centrality, reaction-plane]
166 static const Int_t kNVtxZBins = 1;
167 static const Double_t kCentCutoff = 90.; // Ignore Centrality over 90%
168 TArrayD fCentEdges; // Centrality Bin Lower edges
169 TArrayI fCentNMixed; // Number of mixed events for each centrality bin
175 TriggerSelection fInternalTriggerSelection;
176 Float_t fMaxAbsVertexZ; // in cm
177 Bool_t fManualV0EPCalc;
178 Bool_t fModuleEnabled[kNMod]; //[kNMod]
179 Bool_t fTOFCutEnabled;
184 TList * fOutputContainer; //final histogram container
186 TF1 *fNonLinCorr; // Non-linearity correction
187 //TF1 * fRecent[5][12] ;//Recentering corrections
188 TH2I *fPHOSBadMap[6] ; //Container for PHOS bad channels map
192 // Step 0: Event Objects
194 AliVEvent* fEvent; //! Current event
195 AliESDEvent* fEventESD; //! Current event, if ESD.
196 AliAODEvent* fEventAOD; //! Current event, if AOD.
198 // Step 1: Run Number, Misalignment Matrix, and Calibration
199 Int_t fRunNumber; // run number
200 Int_t fInternalRunNumber ; //Current internal run number
201 AliPHOSGeometry *fPHOSGeo; //! PHOS geometry
202 TProfile *fMultV0; // object containing VZERO calibration information
203 Float_t fV0Cpol,fV0Apol; // loaded by OADB
204 Float_t fMeanQ[kNCenBins][2][2]; // and recentering
205 Float_t fWidthQ[kNCenBins][2][2]; // ...
206 AliESDtrackCuts *fESDtrackCuts; // Track cut
207 AliPHOSCalibData *fPHOSCalibData; // PHOS calibration object
208 TString fEPcalibFileName;
209 AliEPFlattener * fTPCFlat ; //Object for flattening of TPC
210 AliEPFlattener * fV0AFlat ; //Object for flattening of V0A
211 AliEPFlattener * fV0CFlat ; //Object for flattening of V0C
216 TVector3 fVertexVector;
220 // Step 4: Centrality
221 Float_t fCentralityV0M ; //!Centrality of the currecnt event
222 Int_t fCentBin ; //! Current centrality bin
224 // Step 5: Reaction Plane
225 Bool_t fHaveTPCRP ; //! Is TPC RP defined?
226 Float_t fRP ; //!Reaction plane calculated with full TPC
227 Float_t fRPV0A ; //!Reaction plain calculated with A-side TPC: eta>0.15
228 Float_t fRPV0C ; //!Reaction plain calculated with C-side TPC: eta<-0.15
229 Int_t fEMRPBin; //! Event Mixing Reaction Plane Bin
231 // Step 8: Event Photons (PHOS Clusters) selection
232 TObjArray * fCaloPhotonsPHOS ; //PHOS photons in current event
234 // Step 12: Update lists for mixing.
235 TObjArray* fCaloPhotonsPHOSLists; //! array of TList, Containers for events with PHOS photons
238 ClassDef(AliAnalysisTaskPi0Flow, 2); // PHOS analysis task