1 #ifndef ALIANALYSISTASKGAMMACONVERSION_H
2 #define ALIANALYSISTASKGAMMACONVERSION_H
4 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
5 * See cxx source for full Copyright notice */
7 ////////////////////////////////////////////////
8 //---------------------------------------------
9 // Class used to do analysis on conversion pairs
10 //---------------------------------------------
11 ////////////////////////////////////////////////
13 #include "AliAnalysisTaskSE.h"
15 #include "AliV0Reader.h"
16 #include "AliGammaConversionBGHandler.h"
17 //#include "TRandom3.h"
18 //#include "AliCFManager.h" // for CF
19 //#include "AliCFContainer.h" // for CF
22 class AliAODPWG4Particle;
23 class AliGammaConversionAODObject;
24 class AliAODConversionParticle;
26 class AliGammaConversionHistograms;
31 class AliESDInputHandler;
37 class AliESDtrackCuts;
38 class AliTriggerAnalysis;
39 class AliCFManager; // for CF
40 class AliCFContainer; // for CF
43 class AliAnalysisTaskGammaConversion : public AliAnalysisTaskSE
47 typedef enum { kProcSD, kProcDD, kProcND, kProcUnknown, kNProcs } ProcType_t;
48 AliAnalysisTaskGammaConversion();
49 AliAnalysisTaskGammaConversion(const char* name);
50 virtual ~AliAnalysisTaskGammaConversion() ;// virtual destructor
52 // Implementation of interface methods
53 virtual void UserCreateOutputObjects();
55 virtual void LocalInit() {Init();}
56 virtual void UserExec(Option_t *option);
57 virtual void Terminate(Option_t *option);
58 //virtual void ConnectInputData(Option_t * option);
59 void CheckMesonProcessTypeEventQuality(Int_t evtQ);
60 Int_t GetProcessType(const AliMCEvent * mcEvt) ;
62 void ProcessV0sNoCut();
64 void ProcessGammasForNeutralMesonAnalysis();
65 void ProcessGammasForOmegaMesonAnalysis();
66 // void ProcessConvPHOSGammasForNeutralMesonAnalysis();
67 void RecalculateV0ForGamma();
69 void SetCFManager(AliCFManager * const io) {fCFManager = io;};
70 AliCFManager *GetCFManager() const {return fCFManager;}
74 TString GetAODBranchName() const {return fAODBranchName;}
75 void SetAODBranchName(TString name) {fAODBranchName = name ;}
76 void SetForceAOD(Bool_t forceAOD ) { fKFForceAOD = forceAOD; }
77 void FillAODWithConversionGammas();
78 void AddToAODBranch(TClonesArray * branch, AliAODPWG4Particle & particle);
79 void AddToAODBranch(TClonesArray * branch, AliGammaConversionAODObject & particle);
80 void AddToAODBranch(TClonesArray * branch, AliAODConversionParticle & particle);
82 virtual TString GetOutputAODClassName() const {return fOutputAODClassName;}
83 virtual void SetOutputAODClassName(TString name) {fOutputAODClassName = name; }
87 static Bool_t IsGoodImpPar(const AliESDtrack *const track);
89 // for GammaJetAnalysis
90 void ProcessGammasForGammaJetAnalysis();
91 void CreateListOfChargedParticles();
92 Double_t GetMinimumDistanceToCharge(Int_t indexHighestPtGamma);
93 void CalculateJetCone(Int_t gammaIndex);
94 Int_t GetIndexHighestPtGamma();
95 void SetESDtrackCuts();
98 void SetMinPtForGammaJet(Double_t minPtForGammaJet){fMinPtForGammaJet=minPtForGammaJet;}
99 void SetMinIsoConeSize(Double_t minIsoConeSize){fMinIsoConeSize=minIsoConeSize;}
100 void SetMinPtIsoCone(Double_t minPtIsoCone){fMinPtIsoCone=minPtIsoCone;}
101 void SetMinPtGamChargedCorr(Double_t minPtGamChargedCorr){fMinPtGamChargedCorr=minPtGamChargedCorr;}
102 void SetMinPtJetCone(Double_t minPtJetCone){fMinPtJetCone=minPtJetCone;}
104 void SetLowPtMapping(Double_t lowPtMapping){fLowPtMapping=lowPtMapping;}
105 void SetHighPtMapping(Double_t highPtMapping){fHighPtMapping=highPtMapping;}
108 void SetHistograms(AliGammaConversionHistograms *const histograms){fHistograms=histograms;}
109 void SetTriggerCINT1B(Bool_t flag){fTriggerCINT1B=flag;}
110 void SetDoMCTruth(Bool_t flag){fDoMCTruth=flag;}
111 void SetDoNeutralMeson(Bool_t flag){fDoNeutralMeson=flag;}
112 void SetDoOmegaMeson(Bool_t flag){fDoOmegaMeson=flag;}
113 void SetDoNeutralMesonV0MCCheck(Bool_t flag){fDoNeutralMesonV0MCCheck=flag;}
114 void SetDoJet(Bool_t flag){fDoJet=flag;}
115 void SetDoChic(Bool_t flag){fDoChic=flag;}
116 void SetRecalculateV0ForGamma(Bool_t flag){fRecalculateV0ForGamma=flag;}
118 void SetElectronMass(Double_t electronMass){fElectronMass = electronMass;}
119 void SetGammaMass(Double_t gammaMass){fGammaMass = gammaMass;}
120 void SetGammaWidth(Double_t gammaWidth){fGammaWidth = gammaWidth;}
121 void SetPi0Mass(Double_t pi0Mass){fPi0Mass = pi0Mass;}
122 void SetPi0Width(Double_t pi0Width){fPi0Width = pi0Width;}
123 void SetEtaMass(Double_t etaMass){fEtaMass = etaMass;}
124 void SetEtaWidth(Double_t etaWidth){fEtaWidth = etaWidth;}
125 void SetMinOpeningAngleGhostCut(Double_t ghostCut){fMinOpeningAngleGhostCut = ghostCut;}
126 void SetV0Reader(AliV0Reader* const reader){fV0Reader=reader; fV0Reader->SetESDtrackCuts(fEsdTrackCuts);}
127 void SetCalculateBackground(Bool_t bg){fCalculateBackground=bg;}
128 void CalculateBackground();
129 void SetWriteNtuple(Bool_t writeNtuple){fWriteNtuple = writeNtuple;}
131 Double_t GetMCOpeningAngle(const TParticle* const daughter0,const TParticle* const daughter1) const;
132 void CheckV0Efficiency();
133 void SetDeltaAODFileName(TString fn) { fKFDeltaAODFileName = fn; };
135 //////////////////Chi_c Analysis////////////////////////////
136 void GetPID(const AliESDtrack *track, Stat_t &pid, Stat_t &weight);
137 double GetSigmaToVertex(const AliESDtrack* t);
138 void ElectronBackground(TString hBg, TClonesArray e);
139 void FillAngle(TString histoName,TClonesArray const tlVeNeg, TClonesArray const tlVePos);
140 void FillElectronInvMass(TString histoName, TClonesArray const negativeElectron, TClonesArray const positiveElectron);
141 void FillGammaElectronInvMass(TString histoMass,TString histoDiff, TClonesArray const fKFGammas, TClonesArray const tlVeNeg,TClonesArray const tlVePos);
142 void CleanWithAngleCuts(TClonesArray const negativeElectrons, TClonesArray const positiveElectrons, TClonesArray const gammas);
143 TClonesArray GetTLorentzVector(TClonesArray* esdTrack);
144 void ProcessGammaElectronsForChicAnalysis();
145 ///////////////////////////////////////////////////////////////
147 void SetDoCF(Bool_t flag){fDoCF = flag;}
149 void SetUseChargedTracksMultiplicityForBG(Bool_t flag){fUseTrackMultiplicityForBG = flag;}
151 void SetMoveParticleAccordingToVertex(Bool_t flag){fMoveParticleAccordingToVertex = flag;}
153 void MoveParticleAccordingToVertex(AliKFParticle * particle,const AliGammaConversionBGHandler::GammaConversionVertex *vertex);
155 void SetApplyChi2Cut(Bool_t flag){fApplyChi2Cut = flag;}
157 void SetDoRotation(Bool_t flag){fDoRotation = flag;}
159 void SetPMDegreesBG(Int_t deg){fNDegreesPMBackground=deg;}
161 void SetNumberOfRotationsBG(Int_t nRot){fNRandomEventsForBG=nRot;}
163 void RotateKFParticle(AliKFParticle * kfParticle,Double_t angle);
165 void SetCheckBGProbability(Bool_t flag){fCheckBGProbability = flag;}
167 void SetRemovePileUp(Bool_t removePileUp) { fRemovePileUp = removePileUp; }
169 void SetSelectV0AND(Bool_t selectV0AND) { fSelectV0AND = selectV0AND; }
170 void SetUseMultiplicity(Int_t useMultiplicity) {fUseMultiplicity=useMultiplicity;}
171 void SetUseMultiplicityBin(Int_t useMultiplicityBin) {fUseMultiplicityBin=useMultiplicityBin;}
172 Int_t CalculateMultiplicityBin();
173 void SetUseCentrality(Int_t useCentrality) {fUseCentrality=useCentrality;}
174 void SetUseCentralityBin(Int_t useCentralityBin) {fUseCentralityBin=useCentralityBin;}
180 AliAnalysisTaskGammaConversion(const AliAnalysisTaskGammaConversion&); // Not implemented
181 AliAnalysisTaskGammaConversion& operator=(const AliAnalysisTaskGammaConversion&); // Not implemented
183 /// Add reconstructed pions to aod
184 void AddPionToAOD(AliKFParticle * pionkf, Double_t mass, Int_t daughter1, Int_t daughter2);
185 void AddOmegaToAOD(const AliKFParticle * const omegakf, Double_t mass, Int_t daughter1, Int_t daughter2);
190 kStepReconstructable = 1,
195 kStepdEdxElectronSelection = 6,
196 kStepdEdxPpionRejection = 7,
197 kStepNContributors = 8,
211 AliV0Reader* fV0Reader; // The V0 reader object
213 AliStack * fStack; // pointer to the MC particle stack
214 AliMCEventHandler *fMCTruth; // for CF pointer to MCTruth
215 AliMCEvent *fGCMCEvent; // for CF pointer to the MC Event
216 AliESDEvent* fESDEvent; //pointer to the ESDEvent
217 TList * fOutputContainer; // Histogram container
218 AliCFManager *fCFManager; // for CF
219 // AliCFContainer *container; // for CF
223 AliGammaConversionHistograms *fHistograms; // Pointer to the histogram handling class
224 Bool_t fTriggerCINT1B; //Flag to select trigger CINT1B
225 Bool_t fDoMCTruth; // Flag to switch on/off MC truth
226 Bool_t fDoNeutralMeson; // flag
227 Bool_t fDoOmegaMeson; // flag
228 Bool_t fDoJet; // flag
229 Bool_t fDoChic; // flag
230 Bool_t fRecalculateV0ForGamma;//flag
232 TClonesArray * fKFReconstructedGammasTClone; //! transient
233 TClonesArray * fKFReconstructedPi0sTClone; //! transient
234 TClonesArray * fKFRecalculatedGammasTClone; //! transient
235 TClonesArray * fCurrentEventPosElectronTClone; //! transient
236 TClonesArray * fCurrentEventNegElectronTClone; //! transient
237 TClonesArray * fKFReconstructedGammasCutTClone; //! transient
238 TClonesArray * fPreviousEventTLVNegElectronTClone; //! transient
239 TClonesArray * fPreviousEventTLVPosElectronTClone; //! transient
241 // vector<AliKFParticle> fKFReconstructedGammas; // vector containing all reconstructed gammas
242 vector<Int_t> fElectronv1; // vector containing index of electron 1
243 vector<Int_t> fElectronv2; // vector containing index of electron 2
245 vector<Int_t> fGammav1; // vector containing index of gamma 1
246 vector<Int_t> fGammav2; // vector containing index of gamma 2
248 vector<Int_t> fElectronRecalculatedv1; // vector containing index of electron 1
249 vector<Int_t> fElectronRecalculatedv2; // vector containing index of electron 2
251 // AliESDpid * fESDpid; // esd pid
254 ///////Chi_c Analysis///////////////////////////
255 // vector<AliESDtrack*> fCurrentEventPosElectron; // comment here
256 // vector<AliESDtrack*> fCurrentEventNegElectron; // comment here
257 // vector<AliKFParticle> fKFReconstructedGammasCut; // comment here
258 // vector<TLorentzVector> fPreviousEventTLVNegElectron; // comment here
259 // vector<TLorentzVector> fPreviousEventTLVPosElectron; // comment here
260 //////////////////////////////////////////////////
263 Double_t fElectronMass; //electron mass
264 Double_t fGammaMass; //gamma mass
265 Double_t fPi0Mass; //pi0mass
266 Double_t fEtaMass; //eta mass
269 Double_t fGammaWidth; //gamma width cut
270 Double_t fPi0Width; // pi0 width cut
271 Double_t fEtaWidth; // eta width cut
273 Double_t fMinOpeningAngleGhostCut; // minimum angle cut
275 AliESDtrackCuts* fEsdTrackCuts; // Object containing the parameters of the esd track cuts
277 Bool_t fCalculateBackground; //flag to set backgrount calculation on/off
278 Bool_t fWriteNtuple; // flag to set if writing to ntuple on/off
279 TNtuple *fGammaNtuple; // Ntuple for gamma values
280 TNtuple *fNeutralMesonNtuple;// NTuple for mesons
282 Int_t fTotalNumberOfAddedNtupleEntries; // number of added ntuple entries
284 TClonesArray* fChargedParticles; //! transient
285 vector<Int_t> fChargedParticlesId; //! transient
287 Double_t fGammaPtHighest; //! transient
288 Double_t fMinPtForGammaJet; //! transient
289 Double_t fMinIsoConeSize; //! transient
290 Double_t fMinPtIsoCone; //! transient
291 Double_t fMinPtGamChargedCorr; //! transient
292 Double_t fMinPtJetCone; //! transient
293 Int_t fLeadingChargedIndex; //! transient
294 Double_t fLowPtMapping; //! transient
295 Double_t fHighPtMapping; //! transient
296 Bool_t fDoCF; //! transient
298 TClonesArray * fAODGamma; //TClonesArray for gammas to put in AOD
299 TClonesArray * fAODPi0; //TTClonesArray for Pi0s to put in AOD
300 TClonesArray * fAODOmega; //TTClonesArray for omegas to put in AOD
301 TString fAODBranchName; // New AOD branch name
302 TString fOutputAODClassName; //Class to use for the AOD
304 Bool_t fKFForceAOD; //Set the Analysis Manager FillAOD variable to true every event
305 TString fKFDeltaAODFileName; //! File name for delta AOD (if any)
306 Bool_t fDoNeutralMesonV0MCCheck; //flag
307 Bool_t fUseTrackMultiplicityForBG; //flag
308 Bool_t fMoveParticleAccordingToVertex; //flag
309 Bool_t fApplyChi2Cut; //flag
310 Int_t fNRandomEventsForBG; //number of random events to use in rotation method
311 Int_t fNDegreesPMBackground; // number of degree window to rotate particles for rotation method
312 Bool_t fDoRotation; //flag
313 Bool_t fCheckBGProbability; //flag
314 vector<Int_t>fKFReconstructedGammasV0Index; // index of the reconstructed v0s
315 Bool_t fRemovePileUp; // Remove Pile Up
316 Bool_t fSelectV0AND; // Select V0AND
317 AliTriggerAnalysis *fTriggerAnalysis; //! Trigger Analysis for Normalisation
319 Int_t fUseMultiplicity;
320 Int_t fUseMultiplicityBin;
321 Int_t fUseCentrality;
322 Int_t fUseCentralityBin;
323 ClassDef(AliAnalysisTaskGammaConversion, 16); // Analysis task for gamma conversions
326 #endif //ALIANALYSISTASKGAMMA_H