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"
19 #include "AliMultiplicity.h"
20 //#include "AliCFManager.h" // for CF
21 //#include "AliCFContainer.h" // for CF
22 #include "AliAODConversionMother.h"
25 class AliAODPWG4Particle;
26 class AliAODConversionPhoton;
27 class AliAODConversionMother;
28 class AliKFConversionPhoton;
29 class AliKFConversionMother;
31 class AliGammaConversionHistograms;
36 class AliESDInputHandler;
42 class AliESDtrackCuts;
43 class AliTriggerAnalysis;
44 class AliCFManager; // for CF
45 class AliCFContainer; // for CF
49 class AliAnalysisTaskGammaConversion : public AliAnalysisTaskSE
53 typedef enum { kProcSD, kProcDD, kProcND, kProcUnknown, kNProcs } ProcType_t;
54 AliAnalysisTaskGammaConversion();
55 AliAnalysisTaskGammaConversion(const char* name);
56 virtual ~AliAnalysisTaskGammaConversion() ;// virtual destructor
58 // Implementation of interface methods
59 virtual void UserCreateOutputObjects();
61 virtual void LocalInit() {Init();}
62 virtual void UserExec(Option_t *option);
63 virtual void Terminate(Option_t *option);
64 //virtual void ConnectInputData(Option_t * option);
65 void CheckMesonProcessTypeEventQuality(Int_t evtQ);
66 Int_t GetProcessType(const AliMCEvent * mcEvt) ;
68 void ProcessV0sNoCut();
70 void ProcessGammasForNeutralMesonAnalysis();
71 void ProcessGammasForOmegaMesonAnalysis();
72 // void ProcessConvPHOSGammasForNeutralMesonAnalysis();
73 // void RecalculateV0ForGamma();
75 void SetCFManager(AliCFManager * const io) {fCFManager = io;};
76 AliCFManager *GetCFManager() const {return fCFManager;}
80 TString GetAODBranchName() const {return fAODBranchName;}
81 void SetAODBranchName(TString name) {fAODBranchName = name ;}
82 void SetForceAOD(Bool_t forceAOD ) { fKFForceAOD = forceAOD; }
83 void FillAODWithConversionGammas();
84 void AddGammaToAOD(AliKFConversionPhoton * kfParticle);
85 // void AddPionToAOD(AliKFConversionMother * kfParticle);
86 // void AddOmegaToAOD(AliKFParticle * kfParticle, Int_t daughter1, Int_t daughter2);
87 void TagDaughter(Int_t gammaIndex);
91 static Bool_t IsGoodImpPar(const AliESDtrack *const track);
93 // for GammaJetAnalysis
94 void ProcessGammasForGammaJetAnalysis();
95 void CreateListOfChargedParticles();
96 Double_t GetMinimumDistanceToCharge(Int_t indexHighestPtGamma);
97 void CalculateJetCone(Int_t gammaIndex);
98 Int_t GetIndexHighestPtGamma();
99 void SetESDtrackCuts();
102 void SetMinPtForGammaJet(Double_t minPtForGammaJet){fMinPtForGammaJet=minPtForGammaJet;}
103 void SetMinIsoConeSize(Double_t minIsoConeSize){fMinIsoConeSize=minIsoConeSize;}
104 void SetMinPtIsoCone(Double_t minPtIsoCone){fMinPtIsoCone=minPtIsoCone;}
105 void SetMinPtGamChargedCorr(Double_t minPtGamChargedCorr){fMinPtGamChargedCorr=minPtGamChargedCorr;}
106 void SetMinPtJetCone(Double_t minPtJetCone){fMinPtJetCone=minPtJetCone;}
108 void SetLowPtMapping(Double_t lowPtMapping){fLowPtMapping=lowPtMapping;}
109 void SetHighPtMapping(Double_t highPtMapping){fHighPtMapping=highPtMapping;}
112 void SetHistograms(AliGammaConversionHistograms *const histograms){fHistograms=histograms;}
113 void SetTriggerCINT1B(Bool_t flag){fTriggerCINT1B=flag;}
114 void SetDoMCTruth(Bool_t flag){fDoMCTruth=flag;}
115 void SetDoNeutralMeson(Bool_t flag){fDoNeutralMeson=flag;}
116 void SetDoOmegaMeson(Bool_t flag){fDoOmegaMeson=flag;}
117 void SetDoNeutralMesonV0MCCheck(Bool_t flag){fDoNeutralMesonV0MCCheck=flag;}
118 void SetDoJet(Bool_t flag){fDoJet=flag;}
119 void SetDoChic(Bool_t flag){fDoChic=flag;}
120 void SetRecalculateV0ForGamma(Bool_t flag){fRecalculateV0ForGamma=flag;}
122 void SetElectronMass(Double_t electronMass){fElectronMass = electronMass;}
123 void SetGammaMass(Double_t gammaMass){fGammaMass = gammaMass;}
124 void SetGammaWidth(Double_t gammaWidth){fGammaWidth = gammaWidth;}
125 void SetPi0Mass(Double_t pi0Mass){fPi0Mass = pi0Mass;}
126 void SetPi0Width(Double_t pi0Width){fPi0Width = pi0Width;}
127 void SetEtaMass(Double_t etaMass){fEtaMass = etaMass;}
128 void SetEtaWidth(Double_t etaWidth){fEtaWidth = etaWidth;}
129 void SetMinOpeningAngleGhostCut(Double_t ghostCut){fMinOpeningAngleGhostCut = ghostCut;}
130 void SetV0Reader(AliV0Reader* const reader){fV0Reader=reader; fV0Reader->SetESDtrackCuts(fEsdTrackCuts);}
131 void SetCalculateBackground(Bool_t bg){fCalculateBackground=bg;}
132 void CalculateBackground();
133 void SetWriteNtuple(Bool_t writeNtuple){fWriteNtuple = writeNtuple;}
135 Double_t GetMCOpeningAngle(const TParticle* const daughter0,const TParticle* const daughter1) const;
136 void CheckV0Efficiency();
137 void SetDeltaAODFileName(TString fn) { fKFDeltaAODFileName = fn; };
138 void SetCreateAOD(Bool_t doAod) { fKFCreateAOD = doAod; };
139 TString GetDeltaAODFileName() const { return fKFDeltaAODFileName; };
140 //////////////////Chi_c Analysis////////////////////////////
141 void GetPID(const AliESDtrack *track, Stat_t &pid, Stat_t &weight);
142 double GetSigmaToVertex(const AliESDtrack* t);
143 void ElectronBackground(TString hBg, TClonesArray e);
144 void FillAngle(TString histoName,TClonesArray const tlVeNeg, TClonesArray const tlVePos);
145 void FillElectronInvMass(TString histoName, TClonesArray const negativeElectron, TClonesArray const positiveElectron);
146 void FillGammaElectronInvMass(TString histoMass,TString histoDiff, TClonesArray const fKFGammas, TClonesArray const tlVeNeg,TClonesArray const tlVePos);
147 void CleanWithAngleCuts(TClonesArray const negativeElectrons, TClonesArray const positiveElectrons, TClonesArray const gammas);
148 TClonesArray GetTLorentzVector(TClonesArray* esdTrack);
149 void ProcessGammaElectronsForChicAnalysis();
150 ///////////////////////////////////////////////////////////////
152 void SetDoCF(Bool_t flag){fDoCF = flag;}
154 void SetUseChargedTracksMultiplicityForBG(Bool_t flag){fUseTrackMultiplicityForBG = flag;}
156 void SetMoveParticleAccordingToVertex(Bool_t flag){fMoveParticleAccordingToVertex = flag;}
158 void MoveParticleAccordingToVertex(AliKFParticle * particle,const AliGammaConversionBGHandler::GammaConversionVertex *vertex);
160 void SetApplyChi2Cut(Bool_t flag){fApplyChi2Cut = flag;}
162 void SetDoRotation(Bool_t flag){fDoRotation = flag;}
164 void SetPMDegreesBG(Int_t deg){fNDegreesPMBackground=deg;}
166 void SetNumberOfRotationsBG(Int_t nRot){fNRandomEventsForBG=nRot;}
168 void RotateKFParticle(AliKFParticle * kfParticle,Double_t angle);
170 void SetCheckBGProbability(Bool_t flag){fCheckBGProbability = flag;}
172 void SetRemovePileUp(Bool_t removePileUp) { fRemovePileUp = removePileUp; }
174 void SetSelectV0AND(Bool_t selectV0AND) { fSelectV0AND = selectV0AND; }
175 void SetUseMultiplicity(Int_t useMultiplicity) {fUseMultiplicity=useMultiplicity;}
176 void SetUseMultiplicityBin(Int_t useMultiplicityBin) {fUseMultiplicityBin=useMultiplicityBin;}
177 void SetUseHBTMultiplicity(Int_t useHBTMultiplicity) {fUseHBTMultiplicity=useHBTMultiplicity;}
178 void SetUseHBTMultiplicityBin(Int_t useHBTMultiplicityBin) {fUseHBTMultiplicityBin=useHBTMultiplicityBin;}
180 Int_t CalculateMultiplicityBin();
181 void SetUseCentrality(Int_t useCentrality) {fUseCentrality=useCentrality;}
182 void SetUseCentralityBin(Int_t useCentralityBin) {fUseCentralityBin=useCentralityBin;}
188 AliAnalysisTaskGammaConversion(const AliAnalysisTaskGammaConversion&); // Not implemented
189 AliAnalysisTaskGammaConversion& operator=(const AliAnalysisTaskGammaConversion&); // Not implemented
195 kStepReconstructable = 1,
200 kStepdEdxElectronSelection = 6,
201 kStepdEdxPpionRejection = 7,
202 kStepNContributors = 8,
216 AliV0Reader* fV0Reader; // The V0 reader object
218 AliStack * fStack; // pointer to the MC particle stack
219 AliMCEventHandler *fMCTruth; // for CF pointer to MCTruth
220 AliMCEvent *fGCMCEvent; // for CF pointer to the MC Event
221 AliESDEvent* fESDEvent; //pointer to the ESDEvent
222 TList * fOutputContainer; // Histogram container
223 AliCFManager *fCFManager; // for CF
224 // AliCFContainer *container; // for CF
228 AliGammaConversionHistograms *fHistograms; // Pointer to the histogram handling class
229 Bool_t fTriggerCINT1B; //Flag to select trigger CINT1B
230 Bool_t fDoMCTruth; // Flag to switch on/off MC truth
231 Bool_t fDoNeutralMeson; // flag
232 Bool_t fDoOmegaMeson; // flag
233 Bool_t fDoJet; // flag
234 Bool_t fDoChic; // flag
235 Bool_t fRecalculateV0ForGamma;//flag
237 TClonesArray * fKFReconstructedGammasTClone; //! transient
238 TClonesArray * fKFReconstructedPi0sTClone; //! transient
239 TClonesArray * fKFRecalculatedGammasTClone; //! transient
240 TClonesArray * fCurrentEventPosElectronTClone; //! transient
241 TClonesArray * fCurrentEventNegElectronTClone; //! transient
242 TClonesArray * fKFReconstructedGammasCutTClone; //! transient
243 TClonesArray * fPreviousEventTLVNegElectronTClone; //! transient
244 TClonesArray * fPreviousEventTLVPosElectronTClone; //! transient
246 // vector<AliKFParticle> fKFReconstructedGammas; // vector containing all reconstructed gammas
248 // AliESDpid * fESDpid; // esd pid
251 ///////Chi_c Analysis///////////////////////////
252 // vector<AliESDtrack*> fCurrentEventPosElectron; // comment here
253 // vector<AliESDtrack*> fCurrentEventNegElectron; // comment here
254 // vector<AliKFParticle> fKFReconstructedGammasCut; // comment here
255 // vector<TLorentzVector> fPreviousEventTLVNegElectron; // comment here
256 // vector<TLorentzVector> fPreviousEventTLVPosElectron; // comment here
257 //////////////////////////////////////////////////
260 Double_t fElectronMass; //electron mass
261 Double_t fGammaMass; //gamma mass
262 Double_t fPi0Mass; //pi0mass
263 Double_t fEtaMass; //eta mass
266 Double_t fGammaWidth; //gamma width cut
267 Double_t fPi0Width; // pi0 width cut
268 Double_t fEtaWidth; // eta width cut
270 Double_t fMinOpeningAngleGhostCut; // minimum angle cut
272 AliESDtrackCuts* fEsdTrackCuts; // Object containing the parameters of the esd track cuts
274 Bool_t fCalculateBackground; //flag to set backgrount calculation on/off
275 Bool_t fWriteNtuple; // flag to set if writing to ntuple on/off
276 TNtuple *fGammaNtuple; // Ntuple for gamma values
277 TNtuple *fNeutralMesonNtuple;// NTuple for mesons
279 Int_t fTotalNumberOfAddedNtupleEntries; // number of added ntuple entries
281 TClonesArray* fChargedParticles; //! transient
282 vector<Int_t> fChargedParticlesId; //! transient
284 Double_t fGammaPtHighest; //! transient
285 Double_t fMinPtForGammaJet; //! transient
286 Double_t fMinIsoConeSize; //! transient
287 Double_t fMinPtIsoCone; //! transient
288 Double_t fMinPtGamChargedCorr; //! transient
289 Double_t fMinPtJetCone; //! transient
290 Int_t fLeadingChargedIndex; //! transient
291 Double_t fLowPtMapping; //! transient
292 Double_t fHighPtMapping; //! transient
293 Bool_t fDoCF; //! transient
295 TClonesArray * fAODGamma; //TClonesArray for gammas to put in AOD
296 //TClonesArray * fAODPi0; //TTClonesArray for Pi0s to put in AOD
297 //TClonesArray * fAODOmega; //TTClonesArray for omegas to put in AOD
298 TString fAODBranchName; // New AOD branch name
299 Bool_t fKFCreateAOD; //Create the AOD tclones? (regardless if storing or not)
301 Bool_t fKFForceAOD; //Set the Analysis Manager FillAOD variable to true every event
302 TString fKFDeltaAODFileName; //! File name for delta AOD (if any)
303 Bool_t fDoNeutralMesonV0MCCheck; //flag
304 Bool_t fUseTrackMultiplicityForBG; //flag
305 Bool_t fMoveParticleAccordingToVertex; //flag
306 Bool_t fApplyChi2Cut; //flag
307 Int_t fNRandomEventsForBG; //number of random events to use in rotation method
308 Int_t fNDegreesPMBackground; // number of degree window to rotate particles for rotation method
309 Bool_t fDoRotation; //flag
310 Bool_t fCheckBGProbability; //flag
311 // vector<Int_t>fKFReconstructedGammasV0Index; // index of the reconstructed v0s
312 Bool_t fRemovePileUp; // Remove Pile Up
313 Bool_t fSelectV0AND; // Select V0AND
314 AliTriggerAnalysis *fTriggerAnalysis; //! Trigger Analysis for Normalisation
316 Int_t fUseMultiplicity;
317 Int_t fUseMultiplicityBin;
318 Int_t fUseHBTMultiplicity;
319 Int_t fUseHBTMultiplicityBin;
320 Int_t fUseCentrality;
321 Int_t fUseCentralityBin;
323 ClassDef(AliAnalysisTaskGammaConversion, 20); // Analysis task for gamma conversions
326 #endif //ALIANALYSISTASKGAMMA_H