1 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. */
2 /* See cxx source for full Copyright notice */
5 #ifndef ALIANALYSISTASKRHOVNMODULATION_H
6 #define ALIANALYSISTASKRHOVNMODULATION_H
8 #include <AliAnalysisTaskEmcalJet.h>
9 #include <AliEmcalJet.h>
10 #include <AliVEvent.h>
11 #include <AliVTrack.h>
12 #include <AliVCluster.h>
13 #include <TClonesArray.h>
22 class AliAnalysisTaskRhoVnModulation : public AliAnalysisTaskEmcalJet
26 enum fitModulationType { kNoFit, kV2, kV3, kCombined, kUser, kFourierSeries }; // fit type
27 enum runModeType { kLocal, kGrid }; // run mode type
28 enum dataType { kESD, kAOD, kESDMC, kAODMC }; // data type
29 enum detectorType { kTPC, kTPCSUB, kVZEROA, kVZEROC }; // detector that was used
30 // constructors, destructor
31 AliAnalysisTaskRhoVnModulation();
32 AliAnalysisTaskRhoVnModulation(const char *name, runModeType type);
33 virtual ~AliAnalysisTaskRhoVnModulation();
35 // setting up the task and technical aspects
36 Bool_t InitializeAnalysis();
37 virtual void UserCreateOutputObjects();
39 TH1F* BookTH1F(const char* name, const char* x, Int_t bins, Double_t min, Double_t max, Int_t c = -1, Bool_t append = kTRUE);
40 TH2F* BookTH2F(const char* name, const char* x, const char* y, Int_t binsx, Double_t minx, Double_t maxx, Int_t binsy, Double_t miny, Double_t maxy, Int_t c = -1, Bool_t append = kTRUE);
41 /* inline */ Double_t PhaseShift(Double_t x) const {
42 while (x>=TMath::TwoPi())x-=TMath::TwoPi();
43 while (x<0.)x+=TMath::TwoPi();
45 /* inline */ Double_t ChiSquarePDF(Int_t ndf, Double_t x) const {
46 Double_t n(ndf/2.), denom(TMath::Power(2, n)*TMath::Gamma(n));
47 if (denom!=0) return ((1./denom)*TMath::Power(x, n-1)*TMath::Exp(-x/2.));
49 // note that the cdf of the chisquare distribution is the normalized lower incomplete gamma function
50 /* inline */ Double_t ChiSquareCDF(Int_t ndf, Double_t x) const { return TMath::Gamma(ndf/2., x/2.); }
51 /* inline */ Double_t RhoVal() const { return (fRho) ? fRho->GetVal(): -999.;}
52 /* inline */ Double_t RhoVal(Double_t phi, Double_t r, Double_t n) const {
53 if(!fFitModulation) return RhoVal(); // coverity
54 switch (fFitModulationType) {
55 case kNoFit : return RhoVal();
57 Double_t denom(2*r*fFitModulation->GetParameter(0));
58 return (denom <= 0.) ? RhoVal() : n*(fFitModulation->Integral(phi-r, phi+r)/denom);
62 // setters - analysis setup
63 void SetDebugMode(Int_t d) {fDebug = d;}
64 void SetFillQAHistograms(Bool_t qa) {fFillQAHistograms = qa;}
65 void SetCentralityClasses(TArrayI* c) {fCentralityClasses = c;}
66 void SetNameJetClones(const char* name) {fNameJetClones = name; }
67 void SetNamePicoTrackClones(const char* name) {fNamePicoTrackClones = name; }
68 void SetNameRho(const char* name) {fNameRho = name; }
69 void SetRandomSeed(TRandom3* r) {if (fRandom) delete fRandom; fRandom = r; }
70 void SetModulationFit(TF1* fit) {if (fFitModulation) delete fFitModulation;
71 fFitModulation = fit; }
72 void SetModulationFitMinMaxP(Float_t m, Float_t n) {fMinPvalue = m; fMaxPvalue = n; }
73 void SetModulationFitType(fitModulationType type) {fFitModulationType = type; }
74 void SetModulationFitOptions(TString opt) {fFitModulationOptions = opt; }
75 void SetReferenceDetector(detectorType type) {fDetectorType = type; }
76 void SetUsePtWeight(Bool_t w) {fUsePtWeight = w; }
77 void SetRunModeType(runModeType type) {fRunModeType = type; }
78 void SetAbsVertexZ(Float_t v) {fAbsVertexZ = v; }
79 void SetMinDistanceRctoLJ(Float_t m) {fMinDisanceRCtoLJ = m; }
80 void SetRandomConeRadius(Float_t r) {fRandomConeRadius = r; }
81 void SetForceAbsVnHarmonics(Bool_t f) {fAbsVnHarmonics = f; }
82 void SetExcludeLeadingJetsFromFit(Float_t n) {fExcludeLeadingJetsFromFit = n; }
83 void SetRebinSwapHistoOnTheFly(Bool_t r) {fRebinSwapHistoOnTheFly = r; }
84 void SetSaveThisPercentageOfFits(Float_t p) {fPercentageOfFits = p; }
85 // 'trivial' helper calculations
86 void CalculateEventPlaneVZERO(Double_t vzero[2][2]) const;
87 void CalculateEventPlaneTPC(Double_t* tpc);
88 void CalculateEventPlaneResolution(Double_t vzero[2][2], Double_t* tpc) const;
89 void CalculateRandomCone(Float_t &pt, Float_t &eta, Float_t &phi, AliEmcalJet* jet = 0x0, Bool_t randomize = 0) const;
91 Bool_t CorrectRho(Double_t* params, Double_t psi2, Double_t psi3, Double_t psi2b, Double_t psi3b);
92 // event and track selection
93 /* inline */ Bool_t PassesCuts(const AliVTrack* track) const {
94 if(!track) return kFALSE;
95 return (track->Pt() < fTrackPtCut || track->Eta() < fTrackMinEta || track->Eta() > fTrackMaxEta || track->Phi() < fTrackMinPhi || track->Phi() > fTrackMaxPhi) ? kFALSE : kTRUE; }
96 /* inline */ Bool_t PassesCuts(const AliEmcalJet* jet) const {
97 if(!jet || fJetRadius <= 0) return kFALSE;
98 return (jet->Pt() < fJetPtCut || jet->Area()/(fJetRadius*fJetRadius*TMath::Pi()) < fPercAreaCut || jet->Eta() < fJetMinEta || jet->Eta() > fJetMaxEta || jet->Phi() < fJetMinPhi || jet->Phi() > fJetMaxPhi) ? kFALSE : kTRUE; }
99 Bool_t PassesCuts(AliVEvent* event);
100 Bool_t PassesCuts(const AliVCluster* track) const;
101 // filling histograms
102 void FillHistogramsAfterSubtraction(Double_t vzero[2][2], Double_t* tpc) const;
103 void FillTrackHistograms() const;
104 void FillClusterHistograms() const;
105 void FillCorrectedClusterHistograms() const;
106 void FillEventPlaneHistograms(Double_t vzero[2][2], Double_t* tpc) const;
107 void FillRhoHistograms() const;
108 void FillDeltaPtHistograms(Double_t psi2, Double_t psi3) const;
109 void FillJetHistograms(Double_t vzero[2][2], Double_t* psi) const;
110 void FillDeltaPhiHistograms(Double_t vzero[2][2], Double_t* tpc) const;
111 void FillQAHistograms(AliVTrack* vtrack) const;
112 void FillQAHistograms(AliVEvent* vevent);
113 virtual void Terminate(Option_t* option);
115 // analysis flags and settings
116 Int_t fDebug; // debug level (0 none, 1 fcn calls, 2 verbose)
117 Bool_t fInitialized; //! is the analysis initialized?
118 Bool_t fFillQAHistograms; // fill qa histograms
119 TArrayI* fCentralityClasses; //-> centrality classes (maximum 10)
121 Int_t fNAcceptedTracks; //! number of accepted tracks
122 fitModulationType fFitModulationType; // fit modulation type
123 Bool_t fUsePtWeight; // use dptdphi instead of dndphi
124 detectorType fDetectorType; // type of detector used for modulation fit
125 TString fFitModulationOptions; // fit options for modulation fit
126 runModeType fRunModeType; // run mode type
127 dataType fDataType; // datatype
128 TRandom3* fRandom; //-> dont use gRandom to not interfere with other tasks
129 Int_t fMappedRunNumber; //! mapped runnumer (for QA)
130 Int_t fInCentralitySelection; //! centrality bin
131 TF1* fFitModulation; //-> modulation fit for rho
132 Float_t fMinPvalue; // minimum value of p
133 Float_t fMaxPvalue; // maximum value of p
134 const char* fNameJetClones; //! collection of tclones array with jets
135 const char* fNamePicoTrackClones; //! collection of tclones with pico tracks
136 const char* fNameRho; //! name of rho
138 Float_t fAbsVertexZ; // cut on zvertex
139 // general qa histograms
140 TH1F* fHistCentrality; //! accepted centrality
141 TH1F* fHistVertexz; //! accepted verte
142 TH2F* fHistRunnumbersPhi; //! run numbers averaged phi
143 TH2F* fHistRunnumbersEta; //! run numbers averaged eta
144 TH1F* fHistPvaluePDF; //! pdf value of chisquare p
145 TH1F* fHistPvalueCDF; //! cdf value of chisquare p
147 Float_t fMinDisanceRCtoLJ; // min distance between rc and leading jet
148 Float_t fRandomConeRadius; // radius of random cone
149 Bool_t fAbsVnHarmonics; // force postive local rho
150 Float_t fExcludeLeadingJetsFromFit; // exclude n leading jets from fit
151 Bool_t fRebinSwapHistoOnTheFly; // rebin swap histo on the fly
152 Float_t fPercentageOfFits; // save this percentage of fits
153 // transient object pointers
154 TList* fOutputList; //! output list
155 TList* fOutputListGood; //! output list for local analysis
156 TList* fOutputListBad; //! output list for local analysis
157 TH1F* fHistAnalysisSummary; //! analysis summary
158 TH1F* fHistSwap; //! swap histogram
159 TProfile* fProfV2; //! extracted v2
160 TProfile* fProfV2Resolution[10]; //! resolution parameters for v2
161 TProfile* fProfV3; //! extracted v3
162 TProfile* fProfV3Resolution[10]; //! resolution parameters for v3
163 // qa histograms for accepted pico tracks
164 TH1F* fHistPicoTrackPt[10]; //! pt of all charged tracks
165 TH2F* fHistPicoCat1[10]; //! pico tracks spd hit and refit
166 TH2F* fHistPicoCat2[10]; //! pico tracks wo spd hit w refit, constrained
167 TH2F* fHistPicoCat3[10]; //! pico tracks wo spd hit wo refit, constrained
168 // qa histograms for accepted emcal clusters
169 /* TH1F* fHistClusterPt[10]; //! pt uncorrected emcal clusters */
170 /* TH1F* fHistClusterPhi[10]; //! phi uncorrected emcal clusters */
171 /* TH1F* fHistClusterEta[10]; //! eta uncorrected emcal clusters */
172 // qa histograms for accepted emcal clusters aftehadronic correction
173 /* TH1F* fHistClusterCorrPt[10]; //! pt corrected emcal clusters */
174 /* TH1F* fHistClusterCorrPhi[10]; //! phi corrected emcal clusters */
175 /* TH1F* fHistClusterCorrEta[10]; //! eta corrected emcal clusters */
177 TProfile* fHistPsiControl; //! event plane control histogram
178 TProfile* fHistPsiSpread; //! event plane spread histogram
179 TH1F* fHistPsiVZEROA; //! psi 2 from vzero a
180 TH1F* fHistPsiVZEROC; //! psi 2 from vzero c
181 TH1F* fHistPsiTPC; //! psi 2 from tpc
182 TH1F* fHistPsiTPCSUBA; //! psi 2 from tpc subevent a
183 TH1F* fHistPsiTPCSUBB; //! psi 2 from tpc subevent b
185 TH1F* fHistRhoPackage[10]; //! rho as estimated by emcal jet package
186 TH1F* fHistRho[10]; //! background
187 TH2F* fHistRhoVsMult; //! rho versus multiplicity
188 TH2F* fHistRhoVsCent; //! rho veruss centrality
189 TH2F* fHistRhoAVsMult; //! rho * A vs multiplicity for all jets
190 TH2F* fHistRhoAVsCent; //! rho * A vs centrality for all jets
191 // delta pt distributions
192 TH2F* fHistRCPhiEta[10]; //! random cone eta and phi
193 TH2F* fHistRhoVsRCPt[10]; //! rho * A vs rcpt
194 TH1F* fHistRCPt[10]; //! rcpt
195 TH2F* fHistDeltaPtDeltaPhi2[10]; //! dpt vs dphi
196 TH2F* fHistDeltaPtDeltaPhi3[10];
197 TH2F* fHistRCPhiEtaExLJ[10]; //! random cone eta and phi, excl leading jet
198 TH2F* fHistRhoVsRCPtExLJ[10]; //! rho * A vs rcpt, excl leading jet
199 TH1F* fHistRCPtExLJ[10]; //! rcpt, excl leading jet
200 TH2F* fHistDeltaPtDeltaPhi2ExLJ[10]; //! dpt vs dphi, excl leading jet
201 TH2F* fHistDeltaPtDeltaPhi3ExLJ[10]; //! dpt vs dphi, excl leading jet
202 TH2F* fHistRCPhiEtaRand[10]; //! random cone eta and phi, randomized
203 TH2F* fHistRhoVsRCPtRand[10]; //! rho * A vs rcpt, randomized
204 TH1F* fHistRCPtRand[10]; //! rcpt, randomized
205 TH2F* fHistDeltaPtDeltaPhi2Rand[10]; //! dpt vs dphi, randomized
206 TH2F* fHistDeltaPtDeltaPhi3Rand[10]; //! dpt vs dphi, randomized
207 // jet histograms (after kinematic cuts)
208 TH1F* fHistJetPtRaw[10]; //! jet pt - no background subtraction
209 TH1F* fHistJetPt[10]; //! pt of found jets (background subtracted)
210 TH2F* fHistJetEtaPhi[10]; //! eta and phi correlation
211 TH2F* fHistJetPtArea[10]; //! jet pt versus area
212 TH2F* fHistJetPtConstituents[10]; //! jet pt versus number of constituents
213 TH2F* fHistJetEtaRho[10]; //! jet eta versus jet rho
214 // in plane, out of plane jet spectra
215 TH2F* fHistJetPsiTPCPt[10]; //! psi tpc versus pt
216 TH2F* fHistJetPsiVZEROAPt[10]; //! psi vzeroa versus pt
217 TH2F* fHistJetPsiVZEROCPt[10]; //! psi vzeroc versus pt
219 TH1F* fHistDeltaPhi2VZEROA[10]; //! phi minus psi_A
220 TH1F* fHistDeltaPhi2VZEROC[10]; //! phi minus psi_C
221 TH1F* fHistDeltaPhi2TPC[10]; //! phi minus psi_TPC
222 TH1F* fHistDeltaPhi3VZEROA[10]; //! phi minus psi_A
223 TH1F* fHistDeltaPhi3VZEROC[10]; //! phi minus psi_C
224 TH1F* fHistDeltaPhi3TPC[10]; //! phi minus psi_TPC
226 AliAnalysisTaskRhoVnModulation(const AliAnalysisTaskRhoVnModulation&); // not implemented
227 AliAnalysisTaskRhoVnModulation& operator=(const AliAnalysisTaskRhoVnModulation&); // not implemented
229 ClassDef(AliAnalysisTaskRhoVnModulation, 5);