1 #ifndef ALIANALYSISTASKSED0MASS_H
2 #define ALIANALYSISTASKSED0MASS_H
4 /* Copyright(c) 1998-2009, ALICE Experiment at CERN, All rights reserved. *
5 * See cxx source for full Copyright notice */
9 //*************************************************************************
10 // Class AliAnalysisTaskSED0Mass
11 // AliAnalysisTaskSE for D0 candidates invariant mass histogram
12 // and comparison to MC truth (kinematics stored in the AOD) and cut variables
14 // Authors: A.Dainese, andrea.dainese@ln.infn.it
15 // and C.Bianchin, chiara.bianchin@pd.infn.it
16 //*************************************************************************
23 #include <THnSparse.h>
25 #include "AliAnalysisTaskSE.h"
26 #include "AliRDHFCutsD0toKpi.h"
27 #include "AliNormalizationCounter.h"
31 class AliAnalysisTaskSED0Mass : public AliAnalysisTaskSE
35 AliAnalysisTaskSED0Mass();
36 AliAnalysisTaskSED0Mass(const char *name,AliRDHFCutsD0toKpi* cuts);
37 virtual ~AliAnalysisTaskSED0Mass();
40 // Implementation of interface methods
41 virtual void UserCreateOutputObjects();
43 virtual void LocalInit() {Init();}
44 virtual void UserExec(Option_t *option);
45 virtual void Terminate(Option_t *option);
47 void SetArray(Int_t type=AliAnalysisTaskSED0Mass::kD0){fArray=type;}
50 void SetReadMC(Bool_t readMC=kFALSE){fReadMC=readMC;}
51 void SetCutOnDistr(Bool_t cutondistr=kFALSE){fCutOnDistr=cutondistr;}
52 void SetUsePid4Distr(Bool_t usepid=kTRUE){fUsePid4Distr=usepid;}
53 void SetFillOnlyD0D0bar(Int_t flagfill){fFillOnlyD0D0bar=flagfill;}
54 void SetFillVarHists(Bool_t flag) {fFillVarHists=flag;}
55 void SetFillPtHistos(Bool_t flag) {fFillPtHist=flag;}
56 void SetFillImpactParameterHistos(Bool_t flag) {fFillImpParHist=flag;}
57 void SetSystem(Int_t sys){fSys=sys; if(fSys==1) SetFillVarHists(kFALSE);}
58 void SetRejectSDDClusters(Bool_t flag) { fIsRejectSDDClusters=flag; }
59 void SetWriteVariableTree(Bool_t flag) { fWriteVariableTree=flag; }
61 Bool_t GetCutOnDistr() const {return fCutOnDistr;}
62 Bool_t GetUsePid4Distr() const {return fUsePid4Distr;}
63 Int_t GetFillOnlyD0D0bar() const {return fFillOnlyD0D0bar;}
64 Bool_t GetFillVarHists() const {return fFillVarHists;}
65 Bool_t GetFillPtHistos() const {return fFillPtHist;}
66 Bool_t GetFillImpactParameterHistos() const {return fFillImpParHist;}
67 Int_t GetSystem() const {return fSys;}
68 Bool_t GetRejectSDDClusters() const { return fIsRejectSDDClusters; }
69 Bool_t GetWriteVariableTree() const {return fWriteVariableTree;}
73 AliAnalysisTaskSED0Mass(const AliAnalysisTaskSED0Mass &source);
74 AliAnalysisTaskSED0Mass& operator=(const AliAnalysisTaskSED0Mass& source);
75 void FillMassHists(AliAODRecoDecayHF2Prong *part, TClonesArray *arrMC, AliAODMCHeader *mcHeader, AliRDHFCutsD0toKpi *cuts, TList *listout);
76 void FillVarHists(AliAODEvent *aodev,AliAODRecoDecayHF2Prong *part, TClonesArray *arrMC, AliRDHFCutsD0toKpi *cuts, TList *listout);
77 AliAODVertex* GetPrimaryVtxSkipped(AliAODEvent *aodev);
78 void CreateImpactParameterHistos();
79 Int_t CheckOrigin(TClonesArray* arrayMC, AliAODMCParticle *mcPartCandidate) const;
80 Float_t GetTrueImpactParameter(AliAODMCHeader *mcHeader, TClonesArray* arrayMC, AliAODMCParticle *partD0) const ;
82 TList *fOutputMass; //! list send on output slot 1
83 TList *fOutputMassPt; //! list send on output slot 6
84 TList *fDistr; //! list send on output slot 2
85 TH1F *fNentries; //! histogram with number of events on output slot 3
86 AliRDHFCutsD0toKpi *fCuts; // Cuts - sent to output slot 4
87 THnSparseF *fHistMassPtImpParTC[5]; //! histograms for impact paramter studies
88 Int_t fArray; // can be D0 or Like Sign candidates
89 Bool_t fReadMC; // flag for MC array: kTRUE = read it, kFALSE = do not read it
90 Bool_t fCutOnDistr; // flag to decide if apply cut also on distributions: 0 no cuts, 1 looser cuts, 2 tighter cuts
91 Bool_t fUsePid4Distr; // flag to use the particle identification to fill the signal histograms of distributions. It has effect only with fReadMC=kFALSE
92 AliNormalizationCounter *fCounter;//!AliNormalizationCounter on output slot 5
93 Int_t fNPtBins; // number of pt bins
94 Double_t fLsNormalization; // normalization
95 Int_t fFillOnlyD0D0bar; // flag to fill mass histogram with D0/D0bar only (0 = fill with both, 1 = fill with D0 only, 2 = fill with D0bar only)
96 TObjArray fDaughterTracks; // keeps the daughter tracks
97 Int_t fIsSelectedCandidate; // selection outcome
98 Bool_t fFillVarHists; // flag to enable filling variable histos
99 Int_t fSys; // fSys=0 -> p-p; fSys=1 ->PbPb (in this case fFillVarHists=kFALSE by default: set it to kTRUE *after* if needed)
100 Bool_t fIsRejectSDDClusters; // flag to reject events with SDD clusters
101 Bool_t fFillPtHist; // flag to fill Pt and Impact Parameter Histograms
102 Bool_t fFillImpParHist; // flag to fill Pt and Impact Parameter Histograms
104 Bool_t fWriteVariableTree; // flag to decide whether to write the candidate variables on a tree variables
105 TTree *fVariablesTree; //! tree of the candidate variables after track selection on output slot 7
106 Double_t *fCandidateVariables; //! variables to be written to the tree
109 ClassDef(AliAnalysisTaskSED0Mass,16); // AliAnalysisTaskSE for D0->Kpi