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 <TObjString.h>
19 #include <THnSparse.h>
20 #include "AliAnalysisTaskSE.h"
21 #include "AliAODTrack.h"
22 #include "AliNormalizationCounter.h"
23 #include "AliRDHFCuts.h"
25 class AliAnalysisTaskCombinHF : public AliAnalysisTaskSE
29 AliAnalysisTaskCombinHF();
30 AliAnalysisTaskCombinHF(Int_t meson, AliRDHFCuts* analysiscuts);
31 virtual ~AliAnalysisTaskCombinHF();
33 virtual void UserCreateOutputObjects();
34 virtual void Init(){};
35 virtual void LocalInit() {Init();}
36 virtual void UserExec(Option_t *option);
37 virtual void Terminate(Option_t *option);
38 virtual void FinishTaskOutput();
40 void SetReadMC(Bool_t read){fReadMC=read;}
42 void SetEventMixingWithCuts(Double_t maxDeltaVz, Double_t maxDeltaMult){
43 fDoEventMixing=2; fMaxzVertDistForMix=maxDeltaVz; fMaxMultDiffForMix=maxDeltaMult;
45 void SetEventMixingWithPools(){fDoEventMixing=1;}
46 void SetEventMixingOff(){fDoEventMixing=0;}
47 void SetNumberOfEventsForMixing(Int_t minn){fNumberOfEventsForMixing=minn;}
49 void ConfigureZVertPools(Int_t nPools, Double_t* zVertLimits);
50 void ConfigureMultiplicityPools(Int_t nPools, Double_t* multLimits);
51 void SelectPromptD(){fPromptFeeddown=kPrompt;}
52 void SelectFeeddownD(){fPromptFeeddown=kFeeddown;}
53 void SelectPromptAndFeeddownD(){fPromptFeeddown=kBoth;}
54 void SetGoUpToQuark(Bool_t opt){fGoUpToQuark=opt;}
55 void SetKeepNegIDtracks(Bool_t nid){fKeepNegID=nid;}//set it to kTRUE only if you know what you are doing
56 void SetTrackCuts(AliESDtrackCuts* cuts){
57 if(fTrackCutsAll) delete fTrackCutsAll;
58 fTrackCutsAll=new AliESDtrackCuts(*cuts);
60 void SetPionTrackCuts(AliESDtrackCuts* cuts){
61 if(fTrackCutsPion) delete fTrackCutsPion;
62 fTrackCutsPion=new AliESDtrackCuts(*cuts);
64 void SetKaonTrackCuts(AliESDtrackCuts* cuts){
65 if(fTrackCutsKaon) delete fTrackCutsKaon;
66 fTrackCutsKaon=new AliESDtrackCuts(*cuts);
68 void SetPIDHF(AliAODPidHF* pid){
69 if(fPidHF) delete fPidHF;
70 fPidHF=new AliAODPidHF(*pid);
72 void SetRDHFCuts(AliRDHFCuts* cuts){
75 void SetFilterMask(UInt_t mask=16){fFilterMask=mask;}
76 void SetAnalysisLevel(Int_t level){fFullAnalysis=level;}
77 void ConfigureRotation(Int_t n, Double_t phimin, Double_t phimax){
79 fMinAngleForRot=phimin;
80 fMaxAngleForRot=phimax;
82 void SetMassWindow(Double_t minMass, Double_t maxMass){fMinMass=minMass; fMaxMass=maxMass;}
83 void SetMaxPt(Double_t maxPt){fMaxPt=maxPt;}
84 void SetPtBinWidth(Double_t binw){fPtBinWidth=binw;}
85 void SetEtaAccCut(Double_t etacut){fEtaAccCut=etacut;}
86 void SetPtAccCut(Double_t ptcut){fPtAccCut=ptcut;}
88 void SetPIDstrategy(Int_t strat){fPIDstrategy=strat;}
89 void SetMaxPforIDPion(Double_t maxpIdPion){fmaxPforIDPion=maxpIdPion;}
90 void SetMaxPforIDKaon(Double_t maxpIdKaon){fmaxPforIDKaon=maxpIdKaon;}
91 void SetPIDselCaseZero(Int_t strat){fPIDselCaseZero=strat;}
92 void SetBayesThres(Double_t thresKaon, Double_t thresPion){
93 fBayesThresKaon=thresKaon;
94 fBayesThresPion=thresPion;
97 Bool_t IsTrackSelected(AliAODTrack* track);
98 Bool_t IsKaon(AliAODTrack* track);
99 Bool_t IsPion(AliAODTrack* track);
100 Bool_t SelectAODTrack(AliAODTrack *track, AliESDtrackCuts *cuts);
102 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);
103 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);
104 void FillMEHistos(Int_t pdgD,Int_t nProngs, AliAODRecoDecay* tmpRD, Double_t* px, Double_t* py, Double_t* pz, UInt_t *pdgdau);
105 void FillMEHistosLS(Int_t pdgD,Int_t nProngs, AliAODRecoDecay* tmpRD, Double_t* px, Double_t* py, Double_t* pz, UInt_t *pdgdau, Int_t charge);
106 void FillGenHistos(TClonesArray* arrayMC);
107 Bool_t CheckAcceptance(TClonesArray* arrayMC, Int_t nProng, Int_t *labDau);
108 Int_t GetPoolIndex(Double_t zvert, Double_t mult);
109 void ResetPool(Int_t poolIndex);
110 void DoMixingWithPools(Int_t poolIndex);
111 void DoMixingWithCuts();
112 Bool_t CanBeMixed(Double_t zv1, Double_t zv2, Double_t mult1, Double_t mult2);
113 enum EMesonSpecies {kDzero, kDplus, kDstar, kDs};
114 enum EPrompFd {kNone,kPrompt,kFeeddown,kBoth};
115 enum EPIDstrategy {knSigma, kBayesianMaxProb, kBayesianThres};
119 AliAnalysisTaskCombinHF(const AliAnalysisTaskCombinHF &source);
120 AliAnalysisTaskCombinHF& operator=(const AliAnalysisTaskCombinHF& source);
122 TList *fOutput; //! list send on output slot 0
123 TH1F *fHistNEvents; //!hist. for No. of events
124 TH1F *fHistTrackStatus; //!hist. of status of tracks
125 TH1F *fHistCheckOrigin; //!hist. of origin (c/b) of D meson
126 TH1F *fHistCheckOriginSel; //!hist. of origin (c/b) of D meson
127 TH1F *fHistCheckDecChan; //!hist. of decay channel of D meson
128 TH1F *fHistCheckDecChanAcc; //!hist. of decay channel of D meson in acc.
129 TH2F *fPtVsYGen; //! hist. of Y vs. Pt generated (all D)
130 TH2F *fPtVsYGenLargeAcc; //! hist. of Y vs. Pt generated (|y|<0.9)
131 TH2F *fPtVsYGenLimAcc; //! hist. of Y vs. Pt generated (|y|<0.5)
132 TH2F *fPtVsYGenAcc; //! hist. of Y vs. Pt generated (D in acc)
133 TH2F *fPtVsYReco; //! hist. of Y vs. Pt generated (Reco D)
134 TH3F *fMassVsPtVsY; //! hist. of Y vs. Pt vs. Mass (all cand)
135 TH3F *fMassVsPtVsYRot; //! hist. of Y vs. Pt vs. Mass (rotations)
136 TH3F *fMassVsPtVsYLSpp; //! hist. of Y vs. Pt vs. Mass (like sign ++)
137 TH3F *fMassVsPtVsYLSmm; //! hist. of Y vs. Pt vs. Mass (like sign --)
138 TH3F *fMassVsPtVsYSig; //! hist. of Y vs. Pt vs. Mass (signal)
139 TH3F *fMassVsPtVsYRefl; //! hist. of Y vs. Pt vs. Mass (reflections)
140 TH3F *fMassVsPtVsYBkg; //! hist. of Y vs. Pt vs. Mass (background)
141 TH1F *fNSelected; //! hist. of n. of selected D+
142 TH1F *fNormRotated; //! hist. rotated/selected D+
143 TH1F *fDeltaMass; //! hist. mass difference after rotations
144 THnSparse *fDeltaMassFullAnalysis; //! hist. mass difference after rotations with more details
145 TH3F *fMassVsPtVsYME; //! hist. of Y vs. Pt vs. Mass (mixedevents)
146 TH3F *fMassVsPtVsYMELSpp; //! hist. of Y vs. Pt vs. Mass (mixedevents)
147 TH3F *fMassVsPtVsYMELSmm; //! hist. of Y vs. Pt vs. Mass (mixedevents)
148 TH2F* fEventsPerPool; //! hist with number of events per pool
149 TH2F* fMixingsPerPool; //! hist with number of mixings per pool
150 UInt_t fFilterMask; // FilterMask
151 AliESDtrackCuts* fTrackCutsAll; // track selection
152 AliESDtrackCuts* fTrackCutsPion; // pion track selection
153 AliESDtrackCuts* fTrackCutsKaon; // kaon track selection
154 AliAODPidHF* fPidHF; // PID configuration
155 AliRDHFCuts *fAnalysisCuts; // Cuts for candidates
157 Double_t fMinMass; // minimum value of invariant mass
158 Double_t fMaxMass; // maximum value of invariant mass
159 Double_t fMaxPt; // maximum pT value for inv. mass histograms
160 Double_t fPtBinWidth; // width of pt bin (GeV/c)
161 Double_t fEtaAccCut; // eta limits for acceptance step
162 Double_t fPtAccCut; // pt limits for acceptance step
164 Int_t fNRotations; // number of rotations
165 Double_t fMinAngleForRot; // minimum angle for track rotation
166 Double_t fMaxAngleForRot; // maximum angle for track rotation
167 Double_t fMinAngleForRot3; // minimum angle for track rotation (3rd prong)
168 Double_t fMaxAngleForRot3; // maximum angle for track rotation (3rd prong)
170 AliNormalizationCounter *fCounter;//!Counter for normalization
172 Int_t fMeson; // mesonSpecies (see enum)
173 Bool_t fReadMC; // flag for access to MC
174 Int_t fPromptFeeddown; // flag to select prompt (1), feeddown (2) or all (3)
175 Bool_t fGoUpToQuark; // flag for definition of c,b origin
176 Int_t fFullAnalysis; // flag to set analysis level (0 is the fastest)
178 Int_t fPIDstrategy; // knSigma, kBayesianMaxProb, kBayesianThres
179 Double_t fmaxPforIDPion; // flag for upper p limit for id band for pion
180 Double_t fmaxPforIDKaon; // flag for upper p limit for id band for kaon
181 Bool_t fKeepNegID; // flag to keep also track with negative ID (default kFALSE, change it only if you know what you are doing)
182 Int_t fPIDselCaseZero; // flag to change PID strategy
183 Double_t fBayesThresKaon; // threshold for kaon identification via Bayesian PID
184 Double_t fBayesThresPion; // threshold for pion identification via Bayesian PID
186 Int_t fDoEventMixing; // flag for event mixing
187 Int_t fNumberOfEventsForMixing; // maximum number of events to be used in event mixing
188 Double_t fMaxzVertDistForMix; // cut on zvertex distance for event mixing with cuts
189 Double_t fMaxMultDiffForMix; // cut on multiplicity difference for event mixing with cuts
190 Int_t fNzVertPools; // number of pools in z vertex for event mixing
191 Int_t fNzVertPoolsLimSize; // number of pools in z vertex for event mixing +1
192 Double_t* fzVertPoolLims; //[fNzVertPoolsLimSize] limits of the pools in zVertex
193 Int_t fNMultPools; // number of pools in multiplicity for event mixing
194 Int_t fNMultPoolsLimSize; // number of pools in multiplicity for event mixing +1
195 Double_t* fMultPoolLims; //[fNMultPoolsLimSize] limits of the pools in multiplicity
196 Int_t fNOfPools; // number of pools
197 TTree** fEventBuffer; //! structure for event mixing
198 TObjString* fEventInfo; // unique event Id for event mixing checks
199 Double_t fVtxZ; // zVertex
200 Double_t fMultiplicity; // multiplicity
201 TObjArray* fKaonTracks; // array of kaon-compatible tracks (TLorentzVectors)
202 TObjArray* fPionTracks; // array of pion-compatible tracks (TLorentzVectors)
203 ClassDef(AliAnalysisTaskCombinHF,9); // D0D+ task from AOD tracks