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);
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 SetDoWeights(Bool_t b) { fDoWeights = b; }
42 void SetEtaMax(Double_t eta) { fEtaMax = eta; }
43 void SetEtaTRange(Double_t eL, Double_t eH) { fEtaTLo=eL; fEtaTHi=eH; }
44 void SetFillMuons(Bool_t b) { fFillMuons = b; }
45 void SetHEffA(THnF *h) { fHEffA=h; }
46 void SetHEffT(THnF *h) { fHEffT=h; }
47 void SetMixInEtaT(Bool_t b) { fMixInEtaT = b; }
48 void SetPoolSize(Int_t p) { fPoolSize = p; }
49 void SetPtABins(TAxis *bins) { fBPtA=bins; }
50 void SetPtRange(Double_t min, Double_t max) { fPtMin=min; fPtMax=max; }
51 void SetPtTACrit(Bool_t b) { fPtTACrit = b; }
52 void SetPtTBins(TAxis *bins) { fBPtT=bins; }
53 void SetTrackDepth(Int_t t) { fTrackDepth = t; }
54 void SetTracksName(const char *n) { fTracksName = n; }
55 void SetVerbosity(Int_t v) { fVerbosity = v; }
56 void SetZVtxBins(TAxis *bins) { fBZvtx=bins; }
57 void SetZVtxMixBins(TAxis *bins) { fMixBZvtx=bins; }
58 void SetZvtx(Double_t zvtx) { fZVtxMax = zvtx; }
59 void PrintDhcSettings();
60 enum eAnaMode {kHH, kMuH, kHMu, kMuMu, kPSide, kASide};
63 enum ePairingScheme {kSameEvt, kDiffEvt};
64 enum eDataType {kESD, kAOD};
67 void InitEventMixer();
68 void GetESDTracks(MiniEvent*);
69 void GetAODTracks(MiniEvent*);
70 Bool_t VertexOk(TObject* obj) const;
71 Bool_t IsGoodMUONtrack(AliESDMuonTrack &track);
72 Bool_t IsGoodMUONtrack(AliAODTrack &track);
73 Double_t DeltaPhi(Double_t phia, Double_t phib,
74 Double_t rangeMin = -TMath::Pi()/2,
75 Double_t rangeMax = 3*TMath::Pi()/2) const;
76 Int_t Correlate(const MiniEvent &arr1, const MiniEvent &arr2, Int_t pairing = kSameEvt);
77 void UserCreateOutputObjects();
78 void UserExec(Option_t *option);
79 void Terminate(Option_t *);
82 Int_t fVerbosity; // 0 = silence
83 Double_t fEtaMax; // Max |eta| cut for standard ESD or AOD analysis
84 Double_t fZVtxMax; // Max |z| cut (cm)
85 Double_t fPtMin; // Min pt cut
86 Double_t fPtMax; // Max pt cut
87 Int_t fTrackDepth; // #tracks to fill pool
88 Int_t fPoolSize; // Maximum number of events
89 TString fTracksName; // name of track collection
90 Bool_t fDoWeights; // if true weight with 1/N per event
91 Bool_t fFillMuons; // fill the muon tracks into the mini event
92 Bool_t fPtTACrit; // use the pTT > pTA criterion?
93 Bool_t fAllTAHists; // create all pTT,pTA combination hists, even t<a?
94 Bool_t fMixInEtaT; // mix in bins of eta_T instead of z_vertex
95 Double_t fEtaTLo; // Min eta for triggers
96 Double_t fEtaTHi; // Max eta for triggers
97 Double_t fEtaALo; // Min eta for associated
98 Double_t fEtaAHi; // Max eta for associated
99 TString fClassName; // If not null only process events with given class
100 AliESDEvent *fESD; //! ESD object
101 AliAODEvent *fAOD; //! AOD object
102 TList *fOutputList; //! Output list
103 TH2 *fHEvt; //! Cent vs vtx.
104 TH2 *fHTrk; //! Phi vs Eta
105 TH1 *fHPtAss; //! Pt ass
106 TH1 *fHPtTrg; //! Pt trg
107 TH1 *fHPtTrgEvt; //! Pt trg per event for weighting
108 TH3 *fHPtTrgNorm1S; //! Pt trg same events in cent. and zvtx bins, method 1
109 TH3 *fHPtTrgNorm1M; //! Pt trg mixed events in cent. and zvtx bins, method 1
110 TH3 *fHPtTrgNorm2S; //! Pt trg same events in cent. and zvtx bins, method 2
111 TH3 *fHPtTrgNorm2M; //! Pt trg mixed events in cent. and zvtx bins, method 2
112 TH1 *fHCent; //! Centrality
113 TH1 *fHZvtx; //! Zvertex
114 Int_t fNbins; //! Number of histogram bins
115 TH2 **fHSs; //! Same-evt correlations
116 TH2 **fHMs; //! Diff-evt correlations
117 TH1 **fHPts; //! Pt distributions
118 TH3 *fHQAT; //! trigger particle distribution for QA
119 TH3 *fHQAA; //! associated particle distribution for QA
120 TH2 *fHPtCentT; //! trigger pT vs centrality
121 TH2 *fHPtCentA; //! associated pT vs centrality
122 TFormula *fIndex; //! Index for histograms
123 Double_t fCentrality; //! V0M for now
124 Double_t fZVertex; //! Of current event
125 AliESDtrackCuts *fEsdTPCOnly; //! Track cuts
126 AliEvtPoolManager *fPoolMgr; //! Event mixer
127 TString fCentMethod; // centrality selection method
128 Int_t fNBdeta; // no. deta bins
129 Int_t fNBdphi; // no. dphi bins
130 TAxis *fBPtT; // ptt binning
131 TAxis *fBPtA; // pta binning
132 TAxis *fBCent; // centrality binning
133 TAxis *fBZvtx; // zvtx binning
134 TAxis *fMixBCent; // centrality binning for mixing
135 TAxis *fMixBZvtx; // zvtx binning for mixing
136 THnF *fHEffT; // efficiency for trigger particles
137 THnF *fHEffA; // efficiency for associate particles
139 AliDhcTask(const AliDhcTask&); // not implemented
140 AliDhcTask &operator=(const AliDhcTask&); // not implemented
142 ClassDef(AliDhcTask, 5);