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"
10 #include "PWG/muon/AliMuonTrackCuts.h"
23 class AliAnalysisUtils;
25 class AliESDMuonTrack;
26 class AliESDtrackCuts;
27 class AliEvtPoolManager;
29 class AliDhcTask : public AliAnalysisTaskSE {
32 AliDhcTask(const char *name, Bool_t def=kFALSE);
33 virtual ~AliDhcTask();
35 void SetAllTAHists(Bool_t b) { fAllTAHists = b; }
36 void SetAnaMode(Int_t iAna);
37 void SetCentBins(TAxis *bins) { fBCent=bins; }
38 void SetCentMethod(const char *name) { fCentMethod = name; }
39 void SetCentMixBins(TAxis *bins) { fMixBCent=bins; }
40 void SetCheckVertex(Bool_t b) { fCheckVertex = b; }
41 void SetClassName(const char *n) { fClassName = n; }
42 void SetDEtaDPhiBins(Int_t nbe, Int_t nbp) { fNBdeta=nbe; fNBdphi=nbp; }
43 void SetDoFillSame(Bool_t b) { fDoFillSame = b; }
44 void SetDoMassCut(Bool_t b) { fDoMassCut = b; }
45 void SetDoWeights(Bool_t b) { fDoWeights = b; }
46 void SetEtaMax(Double_t eta) { fEtaMax = eta; }
47 void SetEtaTRange(Double_t eL, Double_t eH) { fEtaTLo=eL; fEtaTHi=eH; }
48 void SetEtaARange(Double_t eL, Double_t eH) { fEtaALo=eL; fEtaAHi=eH; }
49 void SetFillMuons(Bool_t b) { fFillMuons = b; }
50 void SetHEffA(THnF *h) { fHEffA=h; }
51 void SetHEffT(THnF *h) { fHEffT=h; }
52 void SetMixInEtaT(Bool_t b) { fMixInEtaT = b; }
53 void SetMuonUtils(Bool_t b = kTRUE,
54 UInt_t mask = AliMuonTrackCuts::kMuEta | AliMuonTrackCuts::kMuThetaAbs | AliMuonTrackCuts::kMuPdca | AliMuonTrackCuts::kMuMatchApt ) {
58 void SetOmitFirstEv(Bool_t b) { fOmitFirstEv = b; }
59 void SetPoolSize(Int_t p) { fPoolSize = p; }
60 void SetPtABins(TAxis *bins) { fBPtA=bins; }
61 void SetPtRange(Double_t min, Double_t max) { fPtMin=min; fPtMax=max; }
62 void SetPtTACrit(Bool_t b) { fPtTACrit = b; }
63 void SetPtTBins(TAxis *bins) { fBPtT=bins; }
64 void SetRequireMuon(Bool_t b, Double_t l=0.5, Double_t h=4.0) {
69 void SetTrackDepth(Int_t t) { fTrackDepth = t; }
70 void SetTracksName(const char *n) { fTracksName = n; }
71 void SetTriggerMatch(Bool_t b) { fTriggerMatch = b; }
72 void SetVerbosity(Int_t v) { fVerbosity = v; }
73 void SetZVtxBins(TAxis *bins) { fBZvtx=bins; }
74 void SetZVtxMixBins(TAxis *bins) { fMixBZvtx=bins; }
75 void SetZvtx(Double_t zvtx) { fZVtxMax = zvtx; }
76 void PrintDhcSettings();
78 enum eAnaMode {kHH=1, kMuH, kHMu, kMuMu, kPSide, kASide};
81 enum ePairingScheme {kSameEvt, kDiffEvt};
82 enum eDataType {kESD, kAOD};
85 void InitEventMixer();
86 void GetESDTracks(MiniEvent*);
87 void GetAODTracks(MiniEvent*);
88 Bool_t VertexOk() const;
91 Bool_t IsGoodMUONtrack(AliESDMuonTrack &track);
92 Bool_t IsGoodMUONtrack(AliAODTrack &track);
93 Bool_t IsTrigger(Double_t eta, Double_t pt);
94 Bool_t IsAssociated(Double_t eta, Double_t pt);
95 Double_t DeltaPhi(Double_t phia, Double_t phib,
96 Double_t rangeMin = -TMath::Pi()/2,
97 Double_t rangeMax = 3*TMath::Pi()/2) const;
98 Int_t Correlate(const MiniEvent &arr1, const MiniEvent &arr2, Int_t pairing = kSameEvt);
99 void UserCreateOutputObjects();
100 void UserExec(Option_t *option);
101 void Terminate(Option_t *);
104 Int_t fVerbosity; // 0 = silence
105 Double_t fEtaMax; // Max |eta| cut for standard ESD or AOD analysis
106 Double_t fZVtxMax; // Max |z| cut (cm)
107 Double_t fPtMin; // Min pt cut
108 Double_t fPtMax; // Max pt cut
109 Int_t fTrackDepth; // #tracks to fill pool
110 Int_t fPoolSize; // Maximum number of events
111 TString fTracksName; // name of track collection
112 Bool_t fDoWeights; // if true weight with 1/N per event
113 Bool_t fFillMuons; // fill the muon tracks into the mini event
114 Bool_t fRequireMuon; // only run on events with a muon track
115 Double_t fReqPtLo; // require a muon above this pt
116 Double_t fReqPtHi; // and below this pt
117 Bool_t fPtTACrit; // use the pTT > pTA criterion?
118 Bool_t fAllTAHists; // create all pTT,pTA combination hists, even t<a?
119 Bool_t fMixInEtaT; // mix in bins of eta_T instead of z_vertex
120 Bool_t fUseMuonUtils; // use muon cuts from PWG/muon/AliMuonTrackCuts ?
121 UInt_t fMuonCutMask; // muon cut mask for above
122 AliMuonTrackCuts *fMuonTrackCuts; // muon track cut object
123 Double_t fEtaTLo; // Min eta for triggers
124 Double_t fEtaTHi; // Max eta for triggers
125 Double_t fEtaALo; // Min eta for associated
126 Double_t fEtaAHi; // Max eta for associated
127 Bool_t fOmitFirstEv; // if true skip first event in chunk
128 Bool_t fDoFillSame; // If true fill same event immediately (not waiting for pool)
129 Bool_t fDoMassCut; // If true cut on invariant mass
130 Bool_t fCheckVertex; // switch to flase for MC generator-level analysis
131 TString fClassName; // If not null only process events with given class
132 TString fCentMethod; // centrality selection method
133 Int_t fNBdeta; // no. deta bins
134 Int_t fNBdphi; // no. dphi bins
135 Bool_t fTriggerMatch; // muon trigger match
136 TAxis *fBPtT; // ptt binning
137 TAxis *fBPtA; // pta binning
138 TAxis *fBCent; // centrality binning
139 TAxis *fBZvtx; // zvtx binning
140 TAxis *fMixBCent; // centrality binning for mixing
141 TAxis *fMixBZvtx; // zvtx binning for mixing
142 THnF *fHEffT; // efficiency for trigger particles
143 THnF *fHEffA; // efficiency for associate particles
144 AliESDEvent *fESD; //! ESD object
145 AliAODEvent *fAOD; //! AOD object
146 TList *fOutputList; //! Output list
147 TH2 *fHEvt; //! Cent vs vtx.
148 TH2 *fHEvtWTr; //! Cent vs vtx. for events with at least one track
149 TH2 *fHTrk; //! Phi vs Eta
150 TH2 *fHPoolReady; //! Check how many Jobs start mixing
151 TH1 *fHPtAss; //! Pt ass
152 TH1 *fHPtTrg; //! Pt trg
153 TH1 *fHPtTrgEvt; //! Pt trg per event for weighting
154 TH3 *fHPtTrgNorm1S; //! Pt trg same events in cent. and zvtx bins, method 1
155 TH3 *fHPtTrgNorm1M; //! Pt trg mixed events in cent. and zvtx bins, method 1
156 TH3 *fHPtTrgNorm2S; //! Pt trg same events in cent. and zvtx bins, method 2
157 TH3 *fHPtTrgNorm2M; //! Pt trg mixed events in cent. and zvtx bins, method 2
158 TH1 *fHCent; //! Centrality
159 TH1 *fHZvtx; //! Zvertex
160 Int_t fNbins; //! Number of histogram bins
161 TH2 **fHSs; //! Same-evt correlations
162 TH2 **fHMs; //! Diff-evt correlations
163 TH1 **fHPts; //! Pt distributions
164 TH1 **fHSMass; //! Mass distributions same
165 TH1 **fHMMass; //! Mass distributions mixed
166 TH3 *fHQATp; //! positive trigger particle distribution for QA
167 TH3 *fHQAAp; //! associated particle distribution for QA
168 TH3 *fHQATpCorr; //! correction applied trigger distribution
169 TH3 *fHQAApCorr; //! correction applied associated distribution
170 TH3 *fHQATm; //! the same for negative particles
174 TH2 *fHPtCentT; //! trigger pT vs centrality
175 TH2 *fHPtCentA; //! associated pT vs centrality
176 TFormula *fIndex; //! index for histograms
177 Double_t fCentrality; //! centrality of current event
178 Double_t fZVertex; //! z vertex of current event
179 AliESDtrackCuts *fEsdTPCOnly; //! track cuts
180 AliEvtPoolManager *fPoolMgr; //! event mixer
181 AliAnalysisUtils *fUtils; //! analysis utils
183 AliDhcTask(const AliDhcTask&); // not implemented
184 AliDhcTask &operator=(const AliDhcTask&); // not implemented
186 ClassDef(AliDhcTask, 9)