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 SetEtaARange(Double_t eL, Double_t eH) { fEtaALo=eL; fEtaAHi=eH; }
47 void SetFillMuons(Bool_t b) { fFillMuons = b; }
48 void SetHEffA(THnF *h) { fHEffA=h; }
49 void SetHEffT(THnF *h) { fHEffT=h; }
50 void SetMixInEtaT(Bool_t b) { fMixInEtaT = b; }
51 void SetOmitFirstEv(Bool_t b) { fOmitFirstEv = b; }
52 void SetPoolSize(Int_t p) { fPoolSize = p; }
53 void SetPtABins(TAxis *bins) { fBPtA=bins; }
54 void SetPtRange(Double_t min, Double_t max) { fPtMin=min; fPtMax=max; }
55 void SetPtTACrit(Bool_t b) { fPtTACrit = b; }
56 void SetPtTBins(TAxis *bins) { fBPtT=bins; }
57 void SetTrackDepth(Int_t t) { fTrackDepth = t; }
58 void SetTracksName(const char *n) { fTracksName = n; }
59 void SetTriggerMatch(Bool_t b) { fTriggerMatch = b; }
60 void SetVerbosity(Int_t v) { fVerbosity = v; }
61 void SetZVtxBins(TAxis *bins) { fBZvtx=bins; }
62 void SetZVtxMixBins(TAxis *bins) { fMixBZvtx=bins; }
63 void SetZvtx(Double_t zvtx) { fZVtxMax = zvtx; }
64 void PrintDhcSettings();
66 enum eAnaMode {kHH=1, kMuH, kHMu, kMuMu, kPSide, kASide};
69 enum ePairingScheme {kSameEvt, kDiffEvt};
70 enum eDataType {kESD, kAOD};
73 void InitEventMixer();
74 void GetESDTracks(MiniEvent*);
75 void GetAODTracks(MiniEvent*);
76 Bool_t VertexOk() const;
77 Bool_t IsGoodMUONtrack(AliESDMuonTrack &track);
78 Bool_t IsGoodMUONtrack(AliAODTrack &track);
79 Bool_t IsTrigger(Double_t eta, Double_t pt);
80 Bool_t IsAssociated(Double_t eta, Double_t pt);
81 Double_t DeltaPhi(Double_t phia, Double_t phib,
82 Double_t rangeMin = -TMath::Pi()/2,
83 Double_t rangeMax = 3*TMath::Pi()/2) const;
84 Int_t Correlate(const MiniEvent &arr1, const MiniEvent &arr2, Int_t pairing = kSameEvt);
85 void UserCreateOutputObjects();
86 void UserExec(Option_t *option);
87 void Terminate(Option_t *);
90 Int_t fVerbosity; // 0 = silence
91 Double_t fEtaMax; // Max |eta| cut for standard ESD or AOD analysis
92 Double_t fZVtxMax; // Max |z| cut (cm)
93 Double_t fPtMin; // Min pt cut
94 Double_t fPtMax; // Max pt cut
95 Int_t fTrackDepth; // #tracks to fill pool
96 Int_t fPoolSize; // Maximum number of events
97 TString fTracksName; // name of track collection
98 Bool_t fDoWeights; // if true weight with 1/N per event
99 Bool_t fFillMuons; // fill the muon tracks into the mini event
100 Bool_t fPtTACrit; // use the pTT > pTA criterion?
101 Bool_t fAllTAHists; // create all pTT,pTA combination hists, even t<a?
102 Bool_t fMixInEtaT; // mix in bins of eta_T instead of z_vertex
103 Double_t fEtaTLo; // Min eta for triggers
104 Double_t fEtaTHi; // Max eta for triggers
105 Double_t fEtaALo; // Min eta for associated
106 Double_t fEtaAHi; // Max eta for associated
107 Bool_t fOmitFirstEv; // if true skip first event in chunk
108 Bool_t fDoFillSame; // If true fill same event immediately (not waiting for pool)
109 Bool_t fDoMassCut; // If true cut on invariant mass
110 TString fClassName; // If not null only process events with given class
111 TString fCentMethod; // centrality selection method
112 Int_t fNBdeta; // no. deta bins
113 Int_t fNBdphi; // no. dphi bins
114 Bool_t fTriggerMatch; // muon trigger match
115 TAxis *fBPtT; // ptt binning
116 TAxis *fBPtA; // pta binning
117 TAxis *fBCent; // centrality binning
118 TAxis *fBZvtx; // zvtx binning
119 TAxis *fMixBCent; // centrality binning for mixing
120 TAxis *fMixBZvtx; // zvtx binning for mixing
121 THnF *fHEffT; // efficiency for trigger particles
122 THnF *fHEffA; // efficiency for associate particles
123 AliESDEvent *fESD; //! ESD object
124 AliAODEvent *fAOD; //! AOD object
125 TList *fOutputList; //! Output list
126 TH2 *fHEvt; //! Cent vs vtx.
127 TH2 *fHTrk; //! Phi vs Eta
128 TH1 *fHPtAss; //! Pt ass
129 TH1 *fHPtTrg; //! Pt trg
130 TH1 *fHPtTrgEvt; //! Pt trg per event for weighting
131 TH3 *fHPtTrgNorm1S; //! Pt trg same events in cent. and zvtx bins, method 1
132 TH3 *fHPtTrgNorm1M; //! Pt trg mixed events in cent. and zvtx bins, method 1
133 TH3 *fHPtTrgNorm2S; //! Pt trg same events in cent. and zvtx bins, method 2
134 TH3 *fHPtTrgNorm2M; //! Pt trg mixed events in cent. and zvtx bins, method 2
135 TH1 *fHCent; //! Centrality
136 TH1 *fHZvtx; //! Zvertex
137 Int_t fNbins; //! Number of histogram bins
138 TH2 **fHSs; //! Same-evt correlations
139 TH2 **fHMs; //! Diff-evt correlations
140 TH1 **fHPts; //! Pt distributions
141 TH1 **fHSMass; //! Mass distributions same
142 TH1 **fHMMass; //! Mass distributions mixed
143 TH3 *fHQATp; //! positive trigger particle distribution for QA
144 TH3 *fHQAAp; //! associated particle distribution for QA
145 TH3 *fHQATpCorr; //! correction applied trigger distribution
146 TH3 *fHQAApCorr; //! correction applied associated distribution
147 TH3 *fHQATm; //! the same for negative particles
151 TH2 *fHPtCentT; //! trigger pT vs centrality
152 TH2 *fHPtCentA; //! associated pT vs centrality
153 TFormula *fIndex; //! index for histograms
154 Double_t fCentrality; //! centrality of current event
155 Double_t fZVertex; //! z vertex of current event
156 AliESDtrackCuts *fEsdTPCOnly; //! track cuts
157 AliEvtPoolManager *fPoolMgr; //! event mixer
158 AliAnalysisUtils *fUtils; //! analysis utils
160 AliDhcTask(const AliDhcTask&); // not implemented
161 AliDhcTask &operator=(const AliDhcTask&); // not implemented
163 ClassDef(AliDhcTask, 9)