1 // Dihadron correlations task - simple task to read ESD or AOD input,
2 // calculate same- and mixed-event correlations, and fill THnSparse
3 // output. -A. Adare, Apr 2011, updated Mar 2012
8 #include "AliAnalysisTaskSE.h"
22 class AliESDtrackCuts;
23 class AliESDMuonTrack;
25 class AliEvtPoolManager;
28 class AliDhcTask : public AliAnalysisTaskSE {
31 AliDhcTask(const char *name, Bool_t def=kFALSE);
32 virtual ~AliDhcTask();
34 void SetAllTAHists(Bool_t b) { fAllTAHists = b; }
35 void SetAnaMode(Int_t iAna);
36 void SetCentBins(TAxis *bins) { fBCent=bins; }
37 void SetCentMethod(const char *name) { fCentMethod = name; }
38 void SetCentMixBins(TAxis *bins) { fMixBCent=bins; }
39 void SetClassName(const char *n) { fClassName = n; }
40 void SetDEtaDPhiBins(Int_t nbe, Int_t nbp) { fNBdeta=nbe; fNBdphi=nbp; }
41 void SetDoFillSame(Bool_t b) { fDoFillSame = b; }
42 void SetDoWeights(Bool_t b) { fDoWeights = b; }
43 void SetEtaMax(Double_t eta) { fEtaMax = eta; }
44 void SetEtaTRange(Double_t eL, Double_t eH) { fEtaTLo=eL; fEtaTHi=eH; }
45 void SetFillMuons(Bool_t b) { fFillMuons = b; }
46 void SetHEffA(THnF *h) { fHEffA=h; }
47 void SetHEffT(THnF *h) { fHEffT=h; }
48 void SetMixInEtaT(Bool_t b) { fMixInEtaT = b; }
49 void SetPoolSize(Int_t p) { fPoolSize = p; }
50 void SetPtABins(TAxis *bins) { fBPtA=bins; }
51 void SetPtRange(Double_t min, Double_t max) { fPtMin=min; fPtMax=max; }
52 void SetPtTACrit(Bool_t b) { fPtTACrit = b; }
53 void SetPtTBins(TAxis *bins) { fBPtT=bins; }
54 void SetTrackDepth(Int_t t) { fTrackDepth = t; }
55 void SetTracksName(const char *n) { fTracksName = n; }
56 void SetVerbosity(Int_t v) { fVerbosity = v; }
57 void SetZVtxBins(TAxis *bins) { fBZvtx=bins; }
58 void SetZVtxMixBins(TAxis *bins) { fMixBZvtx=bins; }
59 void SetZvtx(Double_t zvtx) { fZVtxMax = zvtx; }
60 void PrintDhcSettings();
61 enum eAnaMode {kHH=1, kMuH, kHMu, kMuMu, kPSide, kASide};
64 enum ePairingScheme {kSameEvt, kDiffEvt};
65 enum eDataType {kESD, kAOD};
68 void InitEventMixer();
69 void GetESDTracks(MiniEvent*);
70 void GetAODTracks(MiniEvent*);
71 Bool_t VertexOk(TObject* obj) const;
72 Bool_t IsGoodMUONtrack(AliESDMuonTrack &track);
73 Bool_t IsGoodMUONtrack(AliAODTrack &track);
74 Double_t DeltaPhi(Double_t phia, Double_t phib,
75 Double_t rangeMin = -TMath::Pi()/2,
76 Double_t rangeMax = 3*TMath::Pi()/2) const;
77 Int_t Correlate(const MiniEvent &arr1, const MiniEvent &arr2, Int_t pairing = kSameEvt);
78 void UserCreateOutputObjects();
79 void UserExec(Option_t *option);
80 void Terminate(Option_t *);
83 Int_t fVerbosity; // 0 = silence
84 Double_t fEtaMax; // Max |eta| cut for standard ESD or AOD analysis
85 Double_t fZVtxMax; // Max |z| cut (cm)
86 Double_t fPtMin; // Min pt cut
87 Double_t fPtMax; // Max pt cut
88 Int_t fTrackDepth; // #tracks to fill pool
89 Int_t fPoolSize; // Maximum number of events
90 TString fTracksName; // name of track collection
91 Bool_t fDoWeights; // if true weight with 1/N per event
92 Bool_t fFillMuons; // fill the muon tracks into the mini event
93 Bool_t fPtTACrit; // use the pTT > pTA criterion?
94 Bool_t fAllTAHists; // create all pTT,pTA combination hists, even t<a?
95 Bool_t fMixInEtaT; // mix in bins of eta_T instead of z_vertex
96 Double_t fEtaTLo; // Min eta for triggers
97 Double_t fEtaTHi; // Max eta for triggers
98 Double_t fEtaALo; // Min eta for associated
99 Double_t fEtaAHi; // Max eta for associated
100 Bool_t fDoFillSame; // If true fill same event immediately (not waiting for pool)
101 TString fClassName; // If not null only process events with given class
102 AliESDEvent *fESD; //! ESD object
103 AliAODEvent *fAOD; //! AOD object
104 TList *fOutputList; //! Output list
105 TH2 *fHEvt; //! Cent vs vtx.
106 TH2 *fHTrk; //! Phi vs Eta
107 TH1 *fHPtAss; //! Pt ass
108 TH1 *fHPtTrg; //! Pt trg
109 TH1 *fHPtTrgEvt; //! Pt trg per event for weighting
110 TH3 *fHPtTrgNorm1S; //! Pt trg same events in cent. and zvtx bins, method 1
111 TH3 *fHPtTrgNorm1M; //! Pt trg mixed events in cent. and zvtx bins, method 1
112 TH3 *fHPtTrgNorm2S; //! Pt trg same events in cent. and zvtx bins, method 2
113 TH3 *fHPtTrgNorm2M; //! Pt trg mixed events in cent. and zvtx bins, method 2
114 TH1 *fHCent; //! Centrality
115 TH1 *fHZvtx; //! Zvertex
116 Int_t fNbins; //! Number of histogram bins
117 TH2 **fHSs; //! Same-evt correlations
118 TH2 **fHMs; //! Diff-evt correlations
119 TH1 **fHPts; //! Pt distributions
120 TH3 *fHQAT; //! trigger particle distribution for QA
121 TH3 *fHQAA; //! associated particle distribution for QA
122 TH2 *fHPtCentT; //! trigger pT vs centrality
123 TH2 *fHPtCentA; //! associated pT vs centrality
124 TFormula *fIndex; //! Index for histograms
125 Double_t fCentrality; //! V0M for now
126 Double_t fZVertex; //! Of current event
127 AliESDtrackCuts *fEsdTPCOnly; //! Track cuts
128 AliEvtPoolManager *fPoolMgr; //! Event mixer
129 TString fCentMethod; // centrality selection method
130 Int_t fNBdeta; // no. deta bins
131 Int_t fNBdphi; // no. dphi bins
132 TAxis *fBPtT; // ptt binning
133 TAxis *fBPtA; // pta binning
134 TAxis *fBCent; // centrality binning
135 TAxis *fBZvtx; // zvtx binning
136 TAxis *fMixBCent; // centrality binning for mixing
137 TAxis *fMixBZvtx; // zvtx binning for mixing
138 THnF *fHEffT; // efficiency for trigger particles
139 THnF *fHEffA; // efficiency for associate particles
141 AliDhcTask(const AliDhcTask&); // not implemented
142 AliDhcTask &operator=(const AliDhcTask&); // not implemented
144 ClassDef(AliDhcTask, 6);