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 AliAnalysisUtils;
24 class AliESDMuonTrack;
25 class AliESDtrackCuts;
26 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 SetDoMassCut(Bool_t b) { fDoMassCut = b; }
43 void SetDoWeights(Bool_t b) { fDoWeights = b; }
44 void SetEtaMax(Double_t eta) { fEtaMax = eta; }
45 void SetEtaTRange(Double_t eL, Double_t eH) { fEtaTLo=eL; fEtaTHi=eH; }
46 void SetFillMuons(Bool_t b) { fFillMuons = b; }
47 void SetHEffA(THnF *h) { fHEffA=h; }
48 void SetHEffT(THnF *h) { fHEffT=h; }
49 void SetMixInEtaT(Bool_t b) { fMixInEtaT = b; }
50 void SetOmitFirstEv(Bool_t b) { fOmitFirstEv = b; }
51 void SetPoolSize(Int_t p) { fPoolSize = p; }
52 void SetPtABins(TAxis *bins) { fBPtA=bins; }
53 void SetPtRange(Double_t min, Double_t max) { fPtMin=min; fPtMax=max; }
54 void SetPtTACrit(Bool_t b) { fPtTACrit = b; }
55 void SetPtTBins(TAxis *bins) { fBPtT=bins; }
56 void SetTrackDepth(Int_t t) { fTrackDepth = t; }
57 void SetTracksName(const char *n) { fTracksName = n; }
58 void SetVerbosity(Int_t v) { fVerbosity = v; }
59 void SetZVtxBins(TAxis *bins) { fBZvtx=bins; }
60 void SetZVtxMixBins(TAxis *bins) { fMixBZvtx=bins; }
61 void SetZvtx(Double_t zvtx) { fZVtxMax = zvtx; }
62 void PrintDhcSettings();
64 enum eAnaMode {kHH=1, kMuH, kHMu, kMuMu, kPSide, kASide};
67 enum ePairingScheme {kSameEvt, kDiffEvt};
68 enum eDataType {kESD, kAOD};
71 void InitEventMixer();
72 void GetESDTracks(MiniEvent*);
73 void GetAODTracks(MiniEvent*);
74 Bool_t VertexOk() const;
75 Bool_t IsGoodMUONtrack(AliESDMuonTrack &track);
76 Bool_t IsGoodMUONtrack(AliAODTrack &track);
77 Bool_t IsTrigger(Double_t eta, Double_t pt);
78 Bool_t IsAssociated(Double_t eta, Double_t pt);
79 Double_t DeltaPhi(Double_t phia, Double_t phib,
80 Double_t rangeMin = -TMath::Pi()/2,
81 Double_t rangeMax = 3*TMath::Pi()/2) const;
82 Int_t Correlate(const MiniEvent &arr1, const MiniEvent &arr2, Int_t pairing = kSameEvt);
83 void UserCreateOutputObjects();
84 void UserExec(Option_t *option);
85 void Terminate(Option_t *);
88 Int_t fVerbosity; // 0 = silence
89 Double_t fEtaMax; // Max |eta| cut for standard ESD or AOD analysis
90 Double_t fZVtxMax; // Max |z| cut (cm)
91 Double_t fPtMin; // Min pt cut
92 Double_t fPtMax; // Max pt cut
93 Int_t fTrackDepth; // #tracks to fill pool
94 Int_t fPoolSize; // Maximum number of events
95 TString fTracksName; // name of track collection
96 Bool_t fDoWeights; // if true weight with 1/N per event
97 Bool_t fFillMuons; // fill the muon tracks into the mini event
98 Bool_t fPtTACrit; // use the pTT > pTA criterion?
99 Bool_t fAllTAHists; // create all pTT,pTA combination hists, even t<a?
100 Bool_t fMixInEtaT; // mix in bins of eta_T instead of z_vertex
101 Double_t fEtaTLo; // Min eta for triggers
102 Double_t fEtaTHi; // Max eta for triggers
103 Double_t fEtaALo; // Min eta for associated
104 Double_t fEtaAHi; // Max eta for associated
105 Bool_t fOmitFirstEv; // if true skip first event in chunk
106 Bool_t fDoFillSame; // If true fill same event immediately (not waiting for pool)
107 Bool_t fDoMassCut; // If true cut on invariant mass
108 TString fClassName; // If not null only process events with given class
109 AliESDEvent *fESD; //! ESD object
110 AliAODEvent *fAOD; //! AOD object
111 TList *fOutputList; //! Output list
112 TH2 *fHEvt; //! Cent vs vtx.
113 TH2 *fHTrk; //! Phi vs Eta
114 TH1 *fHPtAss; //! Pt ass
115 TH1 *fHPtTrg; //! Pt trg
116 TH1 *fHPtTrgEvt; //! Pt trg per event for weighting
117 TH3 *fHPtTrgNorm1S; //! Pt trg same events in cent. and zvtx bins, method 1
118 TH3 *fHPtTrgNorm1M; //! Pt trg mixed events in cent. and zvtx bins, method 1
119 TH3 *fHPtTrgNorm2S; //! Pt trg same events in cent. and zvtx bins, method 2
120 TH3 *fHPtTrgNorm2M; //! Pt trg mixed events in cent. and zvtx bins, method 2
121 TH1 *fHCent; //! Centrality
122 TH1 *fHZvtx; //! Zvertex
123 Int_t fNbins; //! Number of histogram bins
124 TH2 **fHSs; //! Same-evt correlations
125 TH2 **fHMs; //! Diff-evt correlations
126 TH1 **fHPts; //! Pt distributions
127 TH1 **fHSMass; //! Mass distributions same
128 TH1 **fHMMass; //! Mass distributions mixed
129 TH3 *fHQATp; //! positive trigger particle distribution for QA
130 TH3 *fHQAAp; //! associated particle distribution for QA
131 TH3 *fHQATpCorr; //! correction applied trigger distribution
132 TH3 *fHQAApCorr; //! correction applied associated distribution
133 TH3 *fHQATm; //! the same for negative particles
137 TH2 *fHPtCentT; //! trigger pT vs centrality
138 TH2 *fHPtCentA; //! associated pT vs centrality
139 TFormula *fIndex; //! Index for histograms
140 Double_t fCentrality; //! V0M for now
141 Double_t fZVertex; //! Of current event
142 AliESDtrackCuts *fEsdTPCOnly; //! Track cuts
143 AliEvtPoolManager *fPoolMgr; //! Event mixer
144 TString fCentMethod; // centrality selection method
145 Int_t fNBdeta; // no. deta bins
146 Int_t fNBdphi; // no. dphi bins
147 TAxis *fBPtT; // ptt binning
148 TAxis *fBPtA; // pta binning
149 TAxis *fBCent; // centrality binning
150 TAxis *fBZvtx; // zvtx binning
151 TAxis *fMixBCent; // centrality binning for mixing
152 TAxis *fMixBZvtx; // zvtx binning for mixing
153 THnF *fHEffT; // efficiency for trigger particles
154 THnF *fHEffA; // efficiency for associate particles
155 AliAnalysisUtils *fUtils; // analysis utils
157 AliDhcTask(const AliDhcTask&); // not implemented
158 AliDhcTask &operator=(const AliDhcTask&); // not implemented
160 ClassDef(AliDhcTask, 8)