1 #ifndef ALIANALYSISTASKCOMBINHF_H
2 #define ALIANALYSISTASKCOMBINHF_H
4 /* Copyright(c) 1998-2018, ALICE Experiment at CERN, All rights reserved. *
5 * See cxx source for full Copyright notice */
9 //*************************************************************************
10 // Class AliAnalysisTaskCombinHF
11 // AliAnalysisTaskSE to build D meson candidates by combining tracks
12 // background is computed LS and track rotations is
13 // Authors: F. Prino, A. Rossi
14 /////////////////////////////////////////////////////////////
18 #include <THnSparse.h>
19 #include "AliAnalysisTaskSE.h"
20 #include "AliAODTrack.h"
21 #include "AliNormalizationCounter.h"
22 #include "AliRDHFCuts.h"
24 class AliAnalysisTaskCombinHF : public AliAnalysisTaskSE
28 AliAnalysisTaskCombinHF();
29 AliAnalysisTaskCombinHF(Int_t meson, AliRDHFCuts* analysiscuts);
30 virtual ~AliAnalysisTaskCombinHF();
32 virtual void UserCreateOutputObjects();
33 virtual void Init(){};
34 virtual void LocalInit() {Init();}
35 virtual void UserExec(Option_t *option);
36 virtual void Terminate(Option_t *option);
37 virtual void FinishTaskOutput();
39 void SetReadMC(Bool_t read){fReadMC=read;}
41 void SetEventMixingOn(){fDoEventMixing=kTRUE;}
42 void SetEventMixingOff(){fDoEventMixing=kFALSE;}
43 void SetMinNumberOfEventsForMixing(Int_t minn){fMinNumberOfEventsForMixing=minn;}
45 void ConfigureZVertPools(Int_t nPools, Double_t* zVertLimits);
46 void ConfigureMultiplicityPools(Int_t nPools, Double_t* multLimits);
47 void SelectPromptD(){fPromptFeeddown=kPrompt;}
48 void SelectFeeddownD(){fPromptFeeddown=kFeeddown;}
49 void SelectPromptAndFeeddownD(){fPromptFeeddown=kBoth;}
50 void SetGoUpToQuark(Bool_t opt){fGoUpToQuark=opt;}
51 void SetKeepNegIDtracks(Bool_t nid){fKeepNegID=nid;}//set it to kTRUE only if you know what you are doing
52 void SetTrackCuts(AliESDtrackCuts* cuts){
53 if(fTrackCutsAll) delete fTrackCutsAll;
54 fTrackCutsAll=new AliESDtrackCuts(*cuts);
56 void SetPionTrackCuts(AliESDtrackCuts* cuts){
57 if(fTrackCutsPion) delete fTrackCutsPion;
58 fTrackCutsPion=new AliESDtrackCuts(*cuts);
60 void SetKaonTrackCuts(AliESDtrackCuts* cuts){
61 if(fTrackCutsKaon) delete fTrackCutsKaon;
62 fTrackCutsKaon=new AliESDtrackCuts(*cuts);
64 void SetPIDHF(AliAODPidHF* pid){
65 if(fPidHF) delete fPidHF;
66 fPidHF=new AliAODPidHF(*pid);
68 void SetRDHFCuts(AliRDHFCuts* cuts){
71 void SetFilterMask(UInt_t mask=16){fFilterMask=mask;}
72 void SetAnalysisLevel(Int_t level){fFullAnalysis=level;}
73 void ConfigureRotation(Int_t n, Double_t phimin, Double_t phimax){
75 fMinAngleForRot=phimin;
76 fMaxAngleForRot=phimax;
78 void SetMassWindow(Double_t minMass, Double_t maxMass){fMinMass=minMass; fMaxMass=maxMass;}
79 void SetMaxPt(Double_t maxPt){fMaxPt=maxPt;}
80 void SetPtBinWidth(Double_t binw){fPtBinWidth=binw;}
81 void SetEtaAccCut(Double_t etacut){fEtaAccCut=etacut;}
82 void SetPtAccCut(Double_t ptcut){fPtAccCut=ptcut;}
84 void SetPIDstrategy(Int_t strat){fPIDstrategy=strat;}
85 void SetMaxPforIDPion(Double_t maxpIdPion){fmaxPforIDPion=maxpIdPion;}
86 void SetMaxPforIDKaon(Double_t maxpIdKaon){fmaxPforIDKaon=maxpIdKaon;}
87 void SetPIDselCaseZero(Int_t strat){fPIDselCaseZero=strat;}
88 void SetBayesThres(Double_t thresKaon, Double_t thresPion){
89 fBayesThresKaon=thresKaon;
90 fBayesThresPion=thresPion;
93 Bool_t IsTrackSelected(AliAODTrack* track);
94 Bool_t IsKaon(AliAODTrack* track);
95 Bool_t IsPion(AliAODTrack* track);
96 Bool_t SelectAODTrack(AliAODTrack *track, AliESDtrackCuts *cuts);
98 Bool_t FillHistos(Int_t pdgD,Int_t nProngs, AliAODRecoDecay* tmpRD, Double_t* px, Double_t* py, Double_t* pz, UInt_t *pdgdau, TClonesArray *arrayMC, Int_t* dgLabels);
99 void FillLSHistos(Int_t pdgD,Int_t nProngs, AliAODRecoDecay* tmpRD, Double_t* px, Double_t* py, Double_t* pz, UInt_t *pdgdau, Int_t charge);
100 void FillMEHistos(Int_t pdgD,Int_t nProngs, AliAODRecoDecay* tmpRD, Double_t* px, Double_t* py, Double_t* pz, UInt_t *pdgdau);
101 void FillGenHistos(TClonesArray* arrayMC);
102 Bool_t CheckAcceptance(TClonesArray* arrayMC, Int_t nProng, Int_t *labDau);
103 Int_t GetPoolIndex(Double_t zvert, Double_t mult);
104 void ResetPool(Int_t poolIndex);
105 void DoMixing(Int_t poolIndex);
107 enum EMesonSpecies {kDzero, kDplus, kDstar, kDs};
108 enum EPrompFd {kNone,kPrompt,kFeeddown,kBoth};
109 enum EPIDstrategy {knSigma, kBayesianMaxProb, kBayesianThres};
113 AliAnalysisTaskCombinHF(const AliAnalysisTaskCombinHF &source);
114 AliAnalysisTaskCombinHF& operator=(const AliAnalysisTaskCombinHF& source);
116 TList *fOutput; //! list send on output slot 0
117 TH1F *fHistNEvents; //!hist. for No. of events
118 TH1F *fHistTrackStatus; //!hist. of status of tracks
119 TH1F *fHistCheckOrigin; //!hist. of origin (c/b) of D meson
120 TH1F *fHistCheckOriginSel; //!hist. of origin (c/b) of D meson
121 TH1F *fHistCheckDecChan; //!hist. of decay channel of D meson
122 TH1F *fHistCheckDecChanAcc; //!hist. of decay channel of D meson in acc.
123 TH2F *fPtVsYGen; //! hist. of Y vs. Pt generated (all D)
124 TH2F *fPtVsYGenLargeAcc; //! hist. of Y vs. Pt generated (|y|<0.9)
125 TH2F *fPtVsYGenLimAcc; //! hist. of Y vs. Pt generated (|y|<0.5)
126 TH2F *fPtVsYGenAcc; //! hist. of Y vs. Pt generated (D in acc)
127 TH2F *fPtVsYReco; //! hist. of Y vs. Pt generated (Reco D)
128 TH3F *fMassVsPtVsY; //! hist. of Y vs. Pt vs. Mass (all cand)
129 TH3F *fMassVsPtVsYRot; //! hist. of Y vs. Pt vs. Mass (rotations)
130 TH3F *fMassVsPtVsYLSpp; //! hist. of Y vs. Pt vs. Mass (like sign ++)
131 TH3F *fMassVsPtVsYLSmm; //! hist. of Y vs. Pt vs. Mass (like sign --)
132 TH3F *fMassVsPtVsYSig; //! hist. of Y vs. Pt vs. Mass (signal)
133 TH3F *fMassVsPtVsYRefl; //! hist. of Y vs. Pt vs. Mass (reflections)
134 TH3F *fMassVsPtVsYBkg; //! hist. of Y vs. Pt vs. Mass (background)
135 TH1F *fNSelected; //! hist. of n. of selected D+
136 TH1F *fNormRotated; //! hist. rotated/selected D+
137 TH1F *fDeltaMass; //! hist. mass difference after rotations
138 THnSparse *fDeltaMassFullAnalysis; //! hist. mass difference after rotations with more details
139 TH3F *fMassVsPtVsYME; //! hist. of Y vs. Pt vs. Mass (mixedevents)
140 TH2F* fEventsPerPool; //! hist with number of events per pool
141 UInt_t fFilterMask; // FilterMask
142 AliESDtrackCuts* fTrackCutsAll; // track selection
143 AliESDtrackCuts* fTrackCutsPion; // pion track selection
144 AliESDtrackCuts* fTrackCutsKaon; // kaon track selection
145 AliAODPidHF* fPidHF; // PID configuration
146 AliRDHFCuts *fAnalysisCuts; // Cuts for candidates
148 Double_t fMinMass; // minimum value of invariant mass
149 Double_t fMaxMass; // maximum value of invariant mass
150 Double_t fMaxPt; // maximum pT value for inv. mass histograms
151 Double_t fPtBinWidth; // width of pt bin (GeV/c)
152 Double_t fEtaAccCut; // eta limits for acceptance step
153 Double_t fPtAccCut; // pt limits for acceptance step
155 Int_t fNRotations; // number of rotations
156 Double_t fMinAngleForRot; // minimum angle for track rotation
157 Double_t fMaxAngleForRot; // maximum angle for track rotation
158 Double_t fMinAngleForRot3; // minimum angle for track rotation (3rd prong)
159 Double_t fMaxAngleForRot3; // maximum angle for track rotation (3rd prong)
161 AliNormalizationCounter *fCounter;//!Counter for normalization
163 Int_t fMeson; // mesonSpecies (see enum)
164 Bool_t fReadMC; // flag for access to MC
165 Int_t fPromptFeeddown; // flag to select prompt (1), feeddown (2) or all (3)
166 Bool_t fGoUpToQuark; // flag for definition of c,b origin
167 Int_t fFullAnalysis; // flag to set analysis level (0 is the fastest)
169 Int_t fPIDstrategy; // knSigma, kBayesianMaxProb, kBayesianThres
170 Double_t fmaxPforIDPion; // flag for upper p limit for id band for pion
171 Double_t fmaxPforIDKaon; // flag for upper p limit for id band for kaon
172 Bool_t fKeepNegID; // flag to keep also track with negative ID (default kFALSE, change it only if you know what you are doing)
173 Int_t fPIDselCaseZero; // flag to change PID strategy
174 Double_t fBayesThresKaon; // threshold for kaon identification via Bayesian PID
175 Double_t fBayesThresPion; // threshold for pion identification via Bayesian PID
177 Bool_t fDoEventMixing; // flag for event mixing
178 Int_t fMinNumberOfEventsForMixing; // maximum number of events to be used in event mixing
179 Int_t fNzVertPools; // number of pools in z vertex for event mixing
180 Int_t fNzVertPoolsLimSize; // number of pools in z vertex for event mixing +1
181 Double_t* fzVertPoolLims; //[fNzVertPoolsLimSize] limits of the pools in zVertex
182 Int_t fNMultPools; // number of pools in multiplicity for event mixing
183 Int_t fNMultPoolsLimSize; // number of pools in multiplicity for event mixing +1
184 Double_t* fMultPoolLims; //[fNMultPoolsLimSize] limits of the pools in multiplicity
186 TTree** fEventBuffer; //! structure for event mixing
187 Double_t fVtxZ; // zVertex
188 Double_t fMultiplicity; // multiplicity
189 TObjArray* fKaonTracks; // array of kaon-compatible tracks (TLorentzVectors)
190 TObjArray* fPionTracks; // array of pion-compatible tracks (TLorentzVectors)
191 ClassDef(AliAnalysisTaskCombinHF,8); // D0D+ task from AOD tracks