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1d08b6e8 | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
7 | * Permission to use, copy, modify and distribute this software and its * | |
8 | * documentation strictly for non-commercial purposes is hereby granted * | |
9 | * without fee, provided that the above copyright notice appears in all * | |
10 | * copies and that both the copyright notice and this permission notice * | |
11 | * appear in the supporting documentation. The authors make no claims * | |
12 | * about the suitability of this software for any purpose. It is * | |
13 | * provided "as is" without express or implied warranty. * | |
14 | **************************************************************************/ | |
15 | ||
16 | // Class for heavy-flavour electron v2 with EMCal triggered events | |
17 | // Author: Denise Godoy | |
18 | ||
19 | ||
20 | #include "TChain.h" | |
21 | #include "TTree.h" | |
22 | #include "TH2F.h" | |
23 | #include "TMath.h" | |
24 | #include "TCanvas.h" | |
25 | #include "THnSparse.h" | |
26 | #include "TLorentzVector.h" | |
27 | #include "TString.h" | |
28 | #include "TFile.h" | |
29 | ||
30 | #include "AliAnalysisTask.h" | |
31 | #include "AliAnalysisManager.h" | |
32 | ||
33 | #include "AliESDEvent.h" | |
34 | #include "AliESDHandler.h" | |
35 | #include "AliAODEvent.h" | |
36 | #include "AliAODHandler.h" | |
37 | ||
38 | #include "AliAnalysisTaskElecV2.h" | |
39 | #include "TGeoGlobalMagField.h" | |
40 | #include "AliLog.h" | |
41 | #include "AliAnalysisTaskSE.h" | |
42 | #include "TRefArray.h" | |
43 | #include "TVector.h" | |
44 | #include "AliESDInputHandler.h" | |
45 | #include "AliESDpid.h" | |
46 | #include "AliESDtrackCuts.h" | |
47 | #include "AliPhysicsSelection.h" | |
48 | #include "AliESDCaloCluster.h" | |
49 | #include "AliAODCaloCluster.h" | |
50 | #include "AliEMCALRecoUtils.h" | |
51 | #include "AliEMCALGeometry.h" | |
52 | #include "AliGeomManager.h" | |
53 | #include "stdio.h" | |
54 | #include "TGeoManager.h" | |
55 | #include "iostream" | |
56 | #include "fstream" | |
57 | ||
58 | #include "AliEMCALTrack.h" | |
59 | #include "AliMagF.h" | |
60 | ||
61 | #include "AliKFParticle.h" | |
62 | #include "AliKFVertex.h" | |
63 | ||
64 | #include "AliPID.h" | |
65 | #include "AliPIDResponse.h" | |
66 | #include "AliHFEcontainer.h" | |
67 | #include "AliHFEcuts.h" | |
68 | #include "AliHFEpid.h" | |
69 | #include "AliHFEpidBase.h" | |
70 | #include "AliHFEpidQAmanager.h" | |
71 | #include "AliHFEtools.h" | |
72 | #include "AliCFContainer.h" | |
73 | #include "AliCFManager.h" | |
74 | ||
75 | #include "AliEventplane.h" | |
76 | #include "AliCentrality.h" | |
77 | ||
78 | ClassImp(AliAnalysisTaskElecV2) | |
79 | //________________________________________________________________________ | |
80 | AliAnalysisTaskElecV2::AliAnalysisTaskElecV2(const char *name) | |
81 | : AliAnalysisTaskSE(name) | |
82 | ,fESD(0) | |
83 | ,fOutputList(0) | |
84 | ,fTrackCuts(0) | |
85 | ,fCuts(0) | |
86 | ,fIdentifiedAsOutInz(kFALSE) | |
87 | ,fPassTheEventCut(kFALSE) | |
88 | ,fRejectKinkMother(kFALSE) | |
89 | ,fVz(0.0) | |
90 | ,fCFM(0) | |
91 | ,fPID(0) | |
92 | ,fPIDqa(0) | |
93 | ,fOpeningAngleCut(0.1) | |
94 | ,fInvmassCut(0.01) | |
95 | ,fNoEvents(0) | |
96 | ,fTrkpt(0) | |
97 | ,fTrkEovPBef(0) | |
98 | ,fTrkEovPAft(0) | |
99 | ,fdEdxBef(0) | |
100 | ,fdEdxAft(0) | |
101 | ,fInvmassLS(0) | |
102 | ,fInvmassULS(0) | |
103 | ,fOpeningAngleLS(0) | |
104 | ,fOpeningAngleULS(0) | |
105 | ,fPhotoElecPt(0) | |
106 | ,fSemiInclElecPt(0) | |
107 | ,fTrackPtBefTrkCuts(0) | |
108 | ,fTrackPtAftTrkCuts(0) | |
109 | ,fTPCnsigma(0) | |
110 | ,fCent(0) | |
111 | ,fTPCsubEPres(0) | |
112 | ,fEPres(0) | |
113 | ,fCorr(0) | |
114 | ,feTPCV2(0) | |
115 | ,feV2(0) | |
116 | ,fphoteV2(0) | |
117 | ,fChargPartV2(0) | |
118 | { | |
119 | //Named constructor | |
120 | ||
121 | fPID = new AliHFEpid("hfePid"); | |
122 | fTrackCuts = new AliESDtrackCuts(); | |
123 | ||
124 | // Define input and output slots here | |
125 | // Input slot #0 works with a TChain | |
126 | DefineInput(0, TChain::Class()); | |
127 | // Output slot #0 id reserved by the base class for AOD | |
128 | // Output slot #1 writes into a TH1 container | |
129 | // DefineOutput(1, TH1I::Class()); | |
130 | DefineOutput(1, TList::Class()); | |
131 | // DefineOutput(3, TTree::Class()); | |
132 | } | |
133 | ||
134 | //________________________________________________________________________ | |
135 | AliAnalysisTaskElecV2::AliAnalysisTaskElecV2() | |
136 | : AliAnalysisTaskSE("DefaultAnalysis_AliAnalysisElecHadCorrel") | |
137 | ,fESD(0) | |
138 | ,fOutputList(0) | |
139 | ,fTrackCuts(0) | |
140 | ,fCuts(0) | |
141 | ,fIdentifiedAsOutInz(kFALSE) | |
142 | ,fPassTheEventCut(kFALSE) | |
143 | ,fRejectKinkMother(kFALSE) | |
144 | ,fVz(0.0) | |
145 | ,fCFM(0) | |
146 | ,fPID(0) | |
147 | ,fPIDqa(0) | |
148 | ,fOpeningAngleCut(0.1) | |
149 | ,fInvmassCut(0.01) | |
150 | ,fNoEvents(0) | |
151 | ,fTrkpt(0) | |
152 | ,fTrkEovPBef(0) | |
153 | ,fTrkEovPAft(0) | |
154 | ,fdEdxBef(0) | |
155 | ,fdEdxAft(0) | |
156 | ,fInvmassLS(0) | |
157 | ,fInvmassULS(0) | |
158 | ,fOpeningAngleLS(0) | |
159 | ,fOpeningAngleULS(0) | |
160 | ,fPhotoElecPt(0) | |
161 | ,fSemiInclElecPt(0) | |
162 | ,fTrackPtBefTrkCuts(0) | |
163 | ,fTrackPtAftTrkCuts(0) | |
164 | ,fTPCnsigma(0) | |
165 | ,fCent(0) | |
166 | ,fTPCsubEPres(0) | |
167 | ,fEPres(0) | |
168 | ,fCorr(0) | |
169 | ,feTPCV2(0) | |
170 | ,feV2(0) | |
171 | ,fphoteV2(0) | |
172 | ,fChargPartV2(0) | |
173 | { | |
174 | //Default constructor | |
175 | fPID = new AliHFEpid("hfePid"); | |
176 | ||
177 | fTrackCuts = new AliESDtrackCuts(); | |
178 | ||
179 | // Constructor | |
180 | // Define input and output slots here | |
181 | // Input slot #0 works with a TChain | |
182 | DefineInput(0, TChain::Class()); | |
183 | // Output slot #0 id reserved by the base class for AOD | |
184 | // Output slot #1 writes into a TH1 container | |
185 | // DefineOutput(1, TH1I::Class()); | |
186 | DefineOutput(1, TList::Class()); | |
187 | //DefineOutput(3, TTree::Class()); | |
188 | } | |
189 | //_________________________________________ | |
190 | ||
191 | AliAnalysisTaskElecV2::~AliAnalysisTaskElecV2() | |
192 | { | |
193 | //Destructor | |
194 | ||
195 | delete fOutputList; | |
196 | delete fPID; | |
197 | delete fCFM; | |
198 | delete fPIDqa; | |
199 | delete fTrackCuts; | |
200 | } | |
201 | //_________________________________________ | |
202 | ||
203 | void AliAnalysisTaskElecV2::UserExec(Option_t*) | |
204 | { | |
205 | //Main loop | |
206 | //Called for each event | |
207 | ||
208 | // create pointer to event | |
209 | fESD = dynamic_cast<AliESDEvent*>(InputEvent()); | |
210 | if (!fESD) { | |
211 | printf("ERROR: fESD not available\n"); | |
212 | return; | |
213 | } | |
214 | ||
215 | if(!fCuts){ | |
216 | AliError("HFE cuts not available"); | |
217 | return; | |
218 | } | |
219 | ||
220 | if(!fPID->IsInitialized()){ | |
221 | // Initialize PID with the given run number | |
222 | AliWarning("PID not initialised, get from Run no"); | |
223 | fPID->InitializePID(fESD->GetRunNumber()); | |
224 | } | |
225 | ||
226 | ||
227 | Int_t fNOtrks = fESD->GetNumberOfTracks(); | |
228 | const AliESDVertex *pVtx = fESD->GetPrimaryVertex(); | |
229 | ||
230 | Double_t pVtxZ = -999; | |
231 | pVtxZ = pVtx->GetZ(); | |
232 | ||
233 | if(TMath::Abs(pVtxZ)>10) return; | |
234 | fNoEvents->Fill(0); | |
235 | ||
236 | if(fNOtrks<2) return; | |
237 | ||
238 | AliPIDResponse *pidResponse = fInputHandler->GetPIDResponse(); | |
239 | if(!pidResponse){ | |
240 | AliDebug(1, "Using default PID Response"); | |
241 | pidResponse = AliHFEtools::GetDefaultPID(kFALSE, fInputEvent->IsA() == AliAODEvent::Class()); | |
242 | } | |
243 | ||
244 | fPID->SetPIDResponse(pidResponse); | |
245 | ||
246 | fCFM->SetRecEventInfo(fESD); | |
247 | ||
248 | Float_t cent = -1.; | |
249 | AliCentrality *centrality = fESD->GetCentrality(); | |
250 | cent = centrality->GetCentralityPercentile("V0M"); | |
251 | fCent->Fill(cent); | |
252 | ||
253 | if(cent>90.) return; | |
254 | ||
255 | //Event planes | |
256 | ||
257 | Double_t evPlaneV0A = TVector2::Phi_0_2pi(fESD->GetEventplane()->GetEventplane("V0A",fESD,2)); | |
258 | if(evPlaneV0A > TMath::Pi()) evPlaneV0A = evPlaneV0A - TMath::Pi(); | |
259 | ||
260 | Double_t evPlaneV0C = TVector2::Phi_0_2pi(fESD->GetEventplane()->GetEventplane("V0C",fESD,2)); | |
261 | if(evPlaneV0C > TMath::Pi()) evPlaneV0C = evPlaneV0C - TMath::Pi(); | |
262 | ||
263 | AliEventplane* esdTPCep = fESD->GetEventplane(); | |
264 | TVector2 *standardQ = esdTPCep->GetQVector(); | |
265 | Double_t qx = -999., qy = -999.; | |
266 | if(standardQ) | |
267 | { | |
268 | qx = standardQ->X(); | |
269 | qy = standardQ->Y(); | |
270 | } | |
271 | TVector2 qVectorfortrack; | |
272 | qVectorfortrack.Set(qx,qy); | |
273 | Float_t evPlaneTPC = TVector2::Phi_0_2pi(qVectorfortrack.Phi())/2.; | |
274 | ||
275 | TVector2 *qsub1a = esdTPCep->GetQsub1(); | |
276 | TVector2 *qsub2a = esdTPCep->GetQsub2(); | |
277 | Double_t evPlaneResTPC = -999.; | |
278 | if(qsub1a && qsub2a) | |
279 | { | |
280 | evPlaneResTPC = TMath::Cos(2.*TVector2::Phi_0_2pi(qsub1a->Phi()/2.- qsub2a->Phi()/2.)); | |
281 | } | |
282 | ||
283 | fTPCsubEPres->Fill(evPlaneResTPC,cent); | |
284 | ||
285 | Double_t evPlaneRes[4]={GetCos2DeltaPhi(evPlaneV0A,evPlaneV0C),GetCos2DeltaPhi(evPlaneV0A,evPlaneTPC),GetCos2DeltaPhi(evPlaneV0C,evPlaneTPC),cent}; | |
286 | fEPres->Fill(evPlaneRes); | |
287 | ||
288 | // Track loop | |
289 | for (Int_t iTracks = 0; iTracks < fESD->GetNumberOfTracks(); iTracks++) { | |
290 | AliESDtrack* track = fESD->GetTrack(iTracks); | |
291 | if (!track) { | |
292 | printf("ERROR: Could not receive track %d\n", iTracks); | |
293 | continue; | |
294 | } | |
295 | ||
296 | if(TMath::Abs(track->Eta())>0.7) continue; | |
297 | ||
298 | fTrackPtBefTrkCuts->Fill(track->Pt()); | |
299 | // RecKine: ITSTPC cuts | |
300 | if(!ProcessCutStep(AliHFEcuts::kStepRecKineITSTPC, track)) continue; | |
301 | ||
302 | //RecKink | |
303 | if(fRejectKinkMother) { // Quick and dirty fix to reject both kink mothers and daughters | |
304 | if(track->GetKinkIndex(0) != 0) continue; | |
305 | } | |
306 | ||
307 | // RecPrim | |
308 | if(!ProcessCutStep(AliHFEcuts::kStepRecPrim, track)) continue; | |
309 | ||
310 | // HFEcuts: ITS layers cuts | |
311 | if(!ProcessCutStep(AliHFEcuts::kStepHFEcutsITS, track)) continue; | |
312 | ||
313 | // HFE cuts: TPC PID cleanup | |
314 | if(!ProcessCutStep(AliHFEcuts::kStepHFEcutsTPC, track)) continue; | |
315 | ||
316 | fTrackPtAftTrkCuts->Fill(track->Pt()); | |
317 | ||
318 | Double_t clsE = -999., p = -999., EovP=-999., pt = -999., dEdx=-999., fTPCnSigma=0, phi=-999.; | |
319 | ||
320 | // Track extrapolation | |
321 | ||
322 | pt = track->Pt(); | |
323 | fTrkpt->Fill(pt); | |
324 | ||
325 | Int_t clsId = track->GetEMCALcluster(); | |
326 | if (clsId>0){ | |
327 | AliESDCaloCluster *cluster = fESD->GetCaloCluster(clsId); | |
328 | if(cluster && cluster->IsEMCAL()){ | |
329 | clsE = cluster->E(); | |
330 | } | |
331 | } | |
332 | ||
333 | p = track->P(); | |
334 | phi = track->Phi(); | |
335 | dEdx = track->GetTPCsignal(); | |
336 | EovP = clsE/p; | |
337 | fTPCnSigma = fPID->GetPIDResponse() ? fPID->GetPIDResponse()->NumberOfSigmasTPC(track, AliPID::kElectron) : 1000; | |
338 | fdEdxBef->Fill(p,dEdx); | |
339 | fTPCnsigma->Fill(p,fTPCnSigma); | |
340 | ||
341 | Double_t corr[7]={fTPCnSigma,cent,pt,EovP,GetDeltaPhi(phi,evPlaneTPC),GetDeltaPhi(phi,evPlaneV0A),GetDeltaPhi(phi,evPlaneV0C)}; | |
342 | fCorr->Fill(corr); | |
343 | ||
344 | if(fTPCnSigma >= 1.5 && fTPCnSigma <= 3)fTrkEovPBef->Fill(pt,EovP); | |
345 | Int_t pidpassed = 1; | |
346 | ||
347 | //--- track accepted | |
348 | AliHFEpidObject hfetrack; | |
349 | hfetrack.SetAnalysisType(AliHFEpidObject::kESDanalysis); | |
350 | hfetrack.SetRecTrack(track); | |
351 | hfetrack.SetPbPb(); | |
352 | if(!fPID->IsSelected(&hfetrack, NULL, "", fPIDqa)) pidpassed = 0; | |
353 | ||
354 | Double_t corrV2[6]={cent,pt,EovP,GetCos2DeltaPhi(phi,evPlaneTPC),GetCos2DeltaPhi(phi,evPlaneV0A),GetCos2DeltaPhi(phi,evPlaneV0C)}; | |
355 | fChargPartV2->Fill(corrV2); | |
b3bd01b3 | 356 | |
357 | if(fTPCnSigma >= -0.5){ | |
358 | Double_t qX = standardQ->X() - esdTPCep->GetQContributionX(track); | |
359 | Double_t qY = standardQ->Y() - esdTPCep->GetQContributionY(track); | |
360 | TVector2 newQVectorfortrack; | |
361 | newQVectorfortrack.Set(qX,qY); | |
362 | Double_t corrV2TPC = -999.; | |
363 | corrV2TPC = TVector2::Phi_0_2pi(newQVectorfortrack.Phi())/2; | |
364 | ||
365 | Double_t correctedV2[5]={cent,pt,GetCos2DeltaPhi(phi,corrV2TPC),GetCos2DeltaPhi(phi,evPlaneV0A),GetCos2DeltaPhi(phi,evPlaneV0C)}; | |
366 | ||
367 | feTPCV2->Fill(correctedV2); | |
368 | } | |
369 | ||
370 | if(pidpassed==0) continue; | |
371 | ||
1d08b6e8 | 372 | Double_t qX = standardQ->X() - esdTPCep->GetQContributionX(track); |
373 | Double_t qY = standardQ->Y() - esdTPCep->GetQContributionY(track); | |
374 | TVector2 newQVectorfortrack; | |
375 | newQVectorfortrack.Set(qX,qY); | |
376 | Double_t corrV2TPC = -999.; | |
377 | corrV2TPC = TVector2::Phi_0_2pi(newQVectorfortrack.Phi())/2; | |
378 | ||
379 | Double_t correctedV2[5]={cent,pt,GetCos2DeltaPhi(phi,corrV2TPC),GetCos2DeltaPhi(phi,evPlaneV0A),GetCos2DeltaPhi(phi,evPlaneV0C)}; | |
380 | ||
1d08b6e8 | 381 | feV2->Fill(correctedV2); |
382 | ||
383 | fTrkEovPAft->Fill(pt,EovP); | |
384 | fdEdxAft->Fill(p,dEdx); | |
385 | ||
386 | Bool_t fFlagPhotonicElec = kFALSE; | |
387 | SelectPhotonicElectron(iTracks,track,fFlagPhotonicElec); | |
388 | ||
389 | if(fFlagPhotonicElec){ | |
390 | fphoteV2->Fill(correctedV2); | |
391 | fPhotoElecPt->Fill(pt); | |
392 | } | |
393 | ||
394 | if(!fFlagPhotonicElec) fSemiInclElecPt->Fill(pt); | |
395 | } | |
396 | PostData(1, fOutputList); | |
397 | } | |
398 | //_________________________________________ | |
399 | void AliAnalysisTaskElecV2::UserCreateOutputObjects() | |
400 | { | |
401 | //--------Initialize PID | |
402 | fPID->SetHasMCData(kFALSE); | |
403 | if(!fPID->GetNumberOfPIDdetectors()) | |
404 | { | |
405 | fPID->AddDetector("TPC", 0); | |
406 | fPID->AddDetector("EMCAL", 1); | |
407 | } | |
408 | ||
409 | fPID->SortDetectors(); | |
410 | fPIDqa = new AliHFEpidQAmanager(); | |
411 | fPIDqa->Initialize(fPID); | |
412 | ||
413 | //--------Initialize correction Framework and Cuts | |
414 | fCFM = new AliCFManager; | |
415 | const Int_t kNcutSteps = AliHFEcuts::kNcutStepsMCTrack + AliHFEcuts::kNcutStepsRecTrack + AliHFEcuts::kNcutStepsDETrack; | |
416 | fCFM->SetNStepParticle(kNcutSteps); | |
417 | for(Int_t istep = 0; istep < kNcutSteps; istep++) | |
418 | fCFM->SetParticleCutsList(istep, NULL); | |
419 | ||
420 | if(!fCuts){ | |
421 | AliWarning("Cuts not available. Default cuts will be used"); | |
422 | fCuts = new AliHFEcuts; | |
423 | fCuts->CreateStandardCuts(); | |
424 | } | |
425 | fCuts->Initialize(fCFM); | |
426 | ||
427 | //---------Output Tlist | |
428 | fOutputList = new TList(); | |
429 | fOutputList->SetOwner(); | |
430 | fOutputList->Add(fPIDqa->MakeList("PIDQA")); | |
431 | ||
432 | fNoEvents = new TH1F("fNoEvents","",1,0,1) ; | |
433 | fOutputList->Add(fNoEvents); | |
434 | ||
435 | fTrkpt = new TH1F("fTrkpt","track pt",100,0,50); | |
436 | fOutputList->Add(fTrkpt); | |
437 | ||
438 | fTrackPtBefTrkCuts = new TH1F("fTrackPtBefTrkCuts","track pt before track cuts",100,0,50); | |
439 | fOutputList->Add(fTrackPtBefTrkCuts); | |
440 | ||
441 | fTrackPtAftTrkCuts = new TH1F("fTrackPtAftTrkCuts","track pt after track cuts",100,0,50); | |
442 | fOutputList->Add(fTrackPtAftTrkCuts); | |
443 | ||
444 | fTPCnsigma = new TH2F("fTPCnsigma", "TPC - n sigma",100,0,50,200,-10,10); | |
445 | fOutputList->Add(fTPCnsigma); | |
446 | ||
447 | fTrkEovPBef = new TH2F("fTrkEovPBef","track E/p before HFE pid",100,0,50,100,0,2); | |
448 | fOutputList->Add(fTrkEovPBef); | |
449 | ||
450 | fTrkEovPAft = new TH2F("fTrkEovPAft","track E/p after HFE pid",100,0,50,100,0,2); | |
451 | fOutputList->Add(fTrkEovPAft); | |
452 | ||
453 | fdEdxBef = new TH2F("fdEdxBef","track dEdx vs p before HFE pid",100,0,50,150,0,150); | |
454 | fOutputList->Add(fdEdxBef); | |
455 | ||
456 | fdEdxAft = new TH2F("fdEdxAft","track dEdx vs p after HFE pid",100,0,50,150,0,150); | |
457 | fOutputList->Add(fdEdxAft); | |
458 | ||
459 | fInvmassLS = new TH1F("fInvmassLS", "Inv mass of LS (e,e); mass(GeV/c^2); counts;", 500,0,0.5); | |
460 | fOutputList->Add(fInvmassLS); | |
461 | ||
462 | fInvmassULS = new TH1F("fInvmassULS", "Inv mass of ULS (e,e); mass(GeV/c^2); counts;", 500,0,0.5); | |
463 | fOutputList->Add(fInvmassULS); | |
464 | ||
465 | fOpeningAngleLS = new TH1F("fOpeningAngleLS","Opening angle for LS pairs",100,0,1); | |
466 | fOutputList->Add(fOpeningAngleLS); | |
467 | ||
468 | fOpeningAngleULS = new TH1F("fOpeningAngleULS","Opening angle for ULS pairs",100,0,1); | |
469 | fOutputList->Add(fOpeningAngleULS); | |
470 | ||
471 | fPhotoElecPt = new TH1F("fPhotoElecPt", "photonic electron pt",100,0,50); | |
472 | fOutputList->Add(fPhotoElecPt); | |
473 | ||
474 | fSemiInclElecPt = new TH1F("fSemiInclElecPt", "Semi-inclusive electron pt",100,0,50); | |
475 | fOutputList->Add(fSemiInclElecPt); | |
476 | ||
477 | fCent = new TH1F("fCent","Centrality",100,0,100) ; | |
478 | fOutputList->Add(fCent); | |
479 | ||
480 | fTPCsubEPres = new TH2F("fTPCsubEPres","TPC subevent plane resolution",100,-1,1,90,0,90); | |
481 | fOutputList->Add(fTPCsubEPres); | |
482 | ||
483 | Int_t binsv1[4]={100,100,100,90}; // V0A-V0C, V0A-TPC, V0C-TPC, cent | |
484 | Double_t xminv1[4]={-1,-1,-1,0}; | |
485 | Double_t xmaxv1[4]={1,1,1,90}; | |
486 | fEPres = new THnSparseD ("fEPres","EP resolution",4,binsv1,xminv1,xmaxv1); | |
487 | fOutputList->Add(fEPres); | |
488 | ||
489 | Int_t binsv2[7]={100,90,100,100,100,100,100}; // fTPCnSigma,cent, pt, EovP, TPCdeltaPhi, V0AdeltaPhi, V0CdeltaPhi | |
490 | Double_t xminv2[7]={-3.5,0,0,0,0,0,0}; | |
491 | Double_t xmaxv2[7]={3.5,90,50,3,TMath::Pi(),TMath::Pi(),TMath::Pi()}; | |
492 | fCorr = new THnSparseD ("fCorr","Correlations",7,binsv2,xminv2,xmaxv2); | |
493 | fOutputList->Add(fCorr); | |
494 | ||
495 | Int_t binsv3[5]={90,100,100,100,100}; // cent, pt, TPCcos2DeltaPhi, V0Acos2DeltaPhi, V0Ccos2DeltaPhi | |
496 | Double_t xminv3[5]={0,0,-1,-1,-1}; | |
497 | Double_t xmaxv3[5]={90,50,1,1,1}; | |
498 | feV2 = new THnSparseD ("feV2","inclusive electron v2",5,binsv3,xminv3,xmaxv3); | |
499 | fOutputList->Add(feV2); | |
500 | ||
501 | Int_t binsv4[5]={90,100,100,100,100}; // cent, pt, TPCdeltaPhi, V0AdeltaPhi, V0CdeltaPhi | |
502 | Double_t xminv4[5]={0,0,-1,-1,-1}; | |
503 | Double_t xmaxv4[5]={90,50,1,1,1}; | |
504 | fphoteV2 = new THnSparseD ("fphoteV2","photonic electron v2",5,binsv4,xminv4,xmaxv4); | |
505 | fOutputList->Add(fphoteV2); | |
506 | ||
507 | Int_t binsv5[6]={90,100,100,100,100,100}; // cent, pt, EovP, TPCdeltaPhi, V0AdeltaPhi, V0CdeltaPhi | |
508 | Double_t xminv5[6]={0,0,0,-1,-1,-1}; | |
509 | Double_t xmaxv5[6]={90,50,3,1,1,1}; | |
510 | fChargPartV2 = new THnSparseD ("fChargPartV2","Charged particle v2",6,binsv5,xminv5,xmaxv5); | |
511 | fOutputList->Add(fChargPartV2); | |
512 | ||
513 | Int_t binsv6[5]={90,100,100,100,100}; // cent, pt, TPCdeltaPhi, V0AdeltaPhi, V0CdeltaPhi | |
514 | Double_t xminv6[5]={0,0,-1,-1,-1}; | |
515 | Double_t xmaxv6[5]={90,50,1,1,1}; | |
516 | feTPCV2 = new THnSparseD ("feTPCV2","inclusive electron v2 (TPC)",5,binsv6,xminv6,xmaxv6); | |
517 | fOutputList->Add(feTPCV2); | |
518 | ||
519 | PostData(1,fOutputList); | |
520 | } | |
521 | ||
522 | //________________________________________________________________________ | |
523 | void AliAnalysisTaskElecV2::Terminate(Option_t *) | |
524 | { | |
525 | // Info("Terminate"); | |
526 | AliAnalysisTaskSE::Terminate(); | |
527 | } | |
528 | ||
529 | //________________________________________________________________________ | |
530 | Bool_t AliAnalysisTaskElecV2::ProcessCutStep(Int_t cutStep, AliVParticle *track) | |
531 | { | |
532 | // Check single track cuts for a given cut step | |
533 | const Int_t kMCOffset = AliHFEcuts::kNcutStepsMCTrack; | |
534 | if(!fCFM->CheckParticleCuts(cutStep + kMCOffset, track)) return kFALSE; | |
535 | return kTRUE; | |
536 | } | |
537 | //_________________________________________ | |
538 | void AliAnalysisTaskElecV2::SelectPhotonicElectron(Int_t itrack, AliESDtrack *track, Bool_t &fFlagPhotonicElec) | |
539 | { | |
540 | //Identify non-heavy flavour electrons using Invariant mass method | |
541 | ||
542 | fTrackCuts->SetAcceptKinkDaughters(kFALSE); | |
543 | fTrackCuts->SetRequireTPCRefit(kTRUE); | |
544 | fTrackCuts->SetEtaRange(-0.7,0.7); | |
545 | fTrackCuts->SetRequireSigmaToVertex(kTRUE); | |
546 | fTrackCuts->SetMaxChi2PerClusterTPC(3.5); | |
547 | fTrackCuts->SetMinNClustersTPC(100); | |
548 | ||
549 | const AliESDVertex *pVtx = fESD->GetPrimaryVertex(); | |
550 | ||
551 | Bool_t flagPhotonicElec = kFALSE; | |
552 | ||
553 | for(Int_t jTracks = itrack+1; jTracks<fESD->GetNumberOfTracks(); jTracks++){ | |
554 | AliESDtrack* trackAsso = fESD->GetTrack(jTracks); | |
555 | if (!trackAsso) { | |
556 | printf("ERROR: Could not receive track %d\n", jTracks); | |
557 | continue; | |
558 | } | |
559 | ||
560 | Double_t dEdxAsso = -999., ptAsso=-999., openingAngle = -999.; | |
561 | Double_t mass=999., width = -999; | |
562 | Bool_t fFlagLS=kFALSE, fFlagULS=kFALSE; | |
563 | ||
564 | dEdxAsso = trackAsso->GetTPCsignal(); | |
565 | ptAsso = trackAsso->Pt(); | |
566 | Int_t chargeAsso = trackAsso->Charge(); | |
567 | Int_t charge = track->Charge(); | |
568 | ||
569 | if(ptAsso <0.3) continue; | |
570 | if(!fTrackCuts->AcceptTrack(trackAsso)) continue; | |
571 | if(dEdxAsso <70 || dEdxAsso>100) continue; //11a pass1 | |
572 | ||
573 | Int_t fPDGe1 = 11; Int_t fPDGe2 = 11; | |
574 | if(charge>0) fPDGe1 = -11; | |
575 | if(chargeAsso>0) fPDGe2 = -11; | |
576 | ||
577 | if(charge == chargeAsso) fFlagLS = kTRUE; | |
578 | if(charge != chargeAsso) fFlagULS = kTRUE; | |
579 | ||
580 | AliKFParticle ge1(*track, fPDGe1); | |
581 | AliKFParticle ge2(*trackAsso, fPDGe2); | |
582 | AliKFParticle recg(ge1, ge2); | |
583 | ||
584 | if(recg.GetNDF()<1) continue; | |
585 | Double_t chi2recg = recg.GetChi2()/recg.GetNDF(); | |
586 | if(TMath::Sqrt(TMath::Abs(chi2recg))>3.) continue; | |
587 | ||
588 | AliKFVertex primV(*pVtx); | |
589 | primV += recg; | |
590 | recg.SetProductionVertex(primV); | |
591 | ||
592 | recg.SetMassConstraint(0,0.0001); | |
593 | ||
594 | openingAngle = ge1.GetAngle(ge2); | |
595 | if(fFlagLS) fOpeningAngleLS->Fill(openingAngle); | |
596 | if(fFlagULS) fOpeningAngleULS->Fill(openingAngle); | |
597 | ||
598 | if(openingAngle > fOpeningAngleCut) continue; | |
599 | ||
600 | recg.GetMass(mass,width); | |
601 | ||
602 | if(fFlagLS) fInvmassLS->Fill(mass); | |
603 | if(fFlagULS) fInvmassULS->Fill(mass); | |
604 | ||
605 | if(mass<fInvmassCut && fFlagULS && !flagPhotonicElec){ | |
606 | flagPhotonicElec = kTRUE; | |
607 | } | |
608 | ||
609 | } | |
610 | fFlagPhotonicElec = flagPhotonicElec; | |
611 | ||
612 | } | |
613 | //_________________________________________ | |
614 | Double_t AliAnalysisTaskElecV2::GetCos2DeltaPhi(Double_t phiA,Double_t phiB) const | |
615 | { | |
616 | //Get cos[2(phi-psi_EP)] or cos[2(psi_subEP1 - psi_subEP2)] | |
617 | Double_t dPhi = TVector2::Phi_0_2pi(phiA - phiB); | |
618 | if(dPhi > TMath::Pi()) dPhi = dPhi - TMath::Pi(); | |
619 | Double_t cos2DeltaPhi = TMath::Cos(2*dPhi); | |
620 | ||
621 | return cos2DeltaPhi; | |
622 | } | |
623 | ||
624 | //_________________________________________ | |
625 | Double_t AliAnalysisTaskElecV2::GetDeltaPhi(Double_t phiA,Double_t phiB) const | |
626 | { | |
627 | //Get phi-psi_EP | |
628 | Double_t dPhi = TVector2::Phi_0_2pi(phiA - phiB); | |
629 | if(dPhi > TMath::Pi()) dPhi = dPhi - TMath::Pi(); | |
630 | ||
631 | return dPhi; | |
632 | } |