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914042c2 1/**************************************************************************
96387d94 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. *
914042c2 14 **************************************************************************/
15
16
17////////////////////////////////////////////////////////////////////////
18// //
9d63a2f6 19// Task for Heavy Flavour Electron Flow with TPC plus EMCal //
914042c2 20// Non-Photonic Electron identified with Invariant mass //
21// analysis methos in function SelectPhotonicElectron //
96387d94 22// //
914042c2 23// //
24// Author: Andrea Dubla (Utrecht University) //
96387d94 25// //
914042c2 26// //
27////////////////////////////////////////////////////////////////////////
28
29#include "TChain.h"
30#include "TTree.h"
31#include "TH2F.h"
32#include "TMath.h"
33#include "TCanvas.h"
34#include "THnSparse.h"
35#include "TLorentzVector.h"
36#include "TString.h"
37#include "TFile.h"
38#include "AliAnalysisTask.h"
39#include "AliAnalysisManager.h"
40#include "AliESDEvent.h"
41#include "AliESDHandler.h"
42#include "AliAODEvent.h"
43#include "AliAODHandler.h"
a70c9e97 44#include "AliAnalysisTaskFlowTPCEMCalQCSP.h"
914042c2 45#include "TGeoGlobalMagField.h"
46#include "AliLog.h"
47#include "AliAnalysisTaskSE.h"
48#include "TRefArray.h"
49#include "TVector.h"
50#include "AliESDInputHandler.h"
51#include "AliESDpid.h"
52#include "AliAODInputHandler.h"
53#include "AliAODPid.h"
54#include "AliESDtrackCuts.h"
55#include "AliPhysicsSelection.h"
56#include "AliCentralitySelectionTask.h"
57#include "AliESDCaloCluster.h"
58#include "AliAODCaloCluster.h"
59#include "AliESDCaloTrigger.h"
60#include "AliEMCALRecoUtils.h"
61#include "AliEMCALGeometry.h"
62#include "AliGeomManager.h"
63#include "stdio.h"
64#include "TGeoManager.h"
65#include "iostream"
66#include "fstream"
67#include "AliEMCALTrack.h"
68//#include "AliEMCALTracker.h"
69#include "AliMagF.h"
70#include "AliKFParticle.h"
71#include "AliKFVertex.h"
72#include "AliPID.h"
73#include "AliPIDResponse.h"
74#include "AliHFEcontainer.h"
75#include "AliHFEcuts.h"
76#include "AliHFEpid.h"
77#include "AliHFEpidBase.h"
78#include "AliHFEpidQAmanager.h"
79#include "AliHFEtools.h"
80#include "AliCFContainer.h"
81#include "AliCFManager.h"
82#include "AliKFParticle.h"
83#include "AliKFVertex.h"
84#include "AliCentrality.h"
85#include "AliVEvent.h"
86#include "AliStack.h"
87#include "AliMCEvent.h"
88#include "TProfile.h"
89#include "AliFlowCandidateTrack.h"
90#include "AliFlowTrackCuts.h"
91#include "AliFlowEventSimple.h"
92#include "AliFlowCommonConstants.h"
93#include "AliFlowEvent.h"
94#include "TVector3.h"
95#include "TRandom2.h"
96#include "AliESDVZERO.h"
97#include "AliAODVZERO.h"
98#include "AliPID.h"
99#include "AliPIDResponse.h"
100#include "AliFlowTrack.h"
101#include "AliAnalysisTaskVnV0.h"
20791315 102#include "AliSelectNonHFE.h"
914042c2 103
9d63a2f6 104
914042c2 105class AliFlowTrackCuts;
106
9d63a2f6 107using namespace std;
914042c2 108
a70c9e97 109ClassImp(AliAnalysisTaskFlowTPCEMCalQCSP)
914042c2 110//________________________________________________________________________
96387d94 111AliAnalysisTaskFlowTPCEMCalQCSP::AliAnalysisTaskFlowTPCEMCalQCSP(const char *name)
112: AliAnalysisTaskSE(name)
9d63a2f6 113,fDebug(0)
114,fAOD(0)
115,fGeom(0)
116,fOutputList(0)
117,fCuts(0)
118,fIdentifiedAsOutInz(kFALSE)
119,fPassTheEventCut(kFALSE)
120,fCFM(0)
121,fPID(0)
122,fPIDqa(0)
123,fCutsRP(0) // track cuts for reference particles
124,fNullCuts(0) // dummy cuts for flow event tracks
125,fFlowEvent(0) //! flow events (one for each inv mass band)
126,fkCentralityMethod(0)
127,fCentrality(0)
128,fCentralityMin(0)
129,fCentralityMax(0)
130,fInvmassCut(0)
040cc6fa 131,fpTCut(0)
9d63a2f6 132,fTrigger(0)
133,fPhi(0)
134,fEta(0)
135,fVZEROA(0)
136,fVZEROC(0)
137,fTPCM(0)
138,fNoEvents(0)
139,fTrkEovPBef(0)
140//,fdEdxBef(0)
141,fInclusiveElecPt(0)
142,fTPCnsigma(0)
143,fTPCnsigmaAft(0)
144,fCentralityPass(0)
145,fCentralityNoPass(0)
146,fInvmassLS1(0)
147,fInvmassULS1(0)
148,fPhotoElecPt(0)
149,fSemiInclElecPt(0)
150,fULSElecPt(0)
151,fLSElecPt(0)
152,fminTPC(-1)
153,fmaxTPC(3)
154,fminEovP(0.8)
155,fmaxEovP(1.2)
156,fminM20(0.03)
157,fmaxM20(0.3)
158,fminM02(0.03)
159,fmaxM02(0.5)
160,fDispersion(1)
161,fMultCorAfterCuts(0)
162,fMultvsCentr(0)
163,fSubEventDPhiv2(0)
164,EPVzA(0)
165,EPVzC(0)
166,EPTPC(0)
167,fV2Phi(0)
168,fSparseElectronHadron(0)
169,fvertex(0)
170,fMultCorBeforeCuts(0)
171,fSideBandsFlow(kFALSE)
172,fPhiminusPsi(kFALSE)
173,fFlowEventCont(0) //! flow events (one for each inv mass band)
174,fpurity(kFALSE)
175,fSparseElectronpurity(0)
20791315 176,fOpeningAngleLS(0)
177,fOpeningAngleULS(0)
178,fNonHFE(new AliSelectNonHFE)
179,fDCA(0)
180,fOpeningAngleCut(0)
181,fOP_angle(0)
8e8d9d2a 182,fAssoTPCCluster(0)
183,fAssoITSRefit(0)
ff36a82c 184,fMultCut(0)
185,fMultCorAfterCentrBeforeCuts(0)
186,fMultCorAfterVZTRKComp(0)
187,fCentralityBeforePileup(0)
188,fCentralityAfterVZTRK(0)
acd6f996 189,fCentralityAfterCorrCut(0)
190,fMultCorAfterCorrCut(0)
9f508565 191,EPVz(0)
192,EPTPCp(0)
193,EPTPCn(0)
194,fSubEventDPhiv2new(0)
195,fV2Phivzerotot(0)
196,fHistCentrDistr(0x0)
197,fCentralityNoPassForFlattening(0)
198,fInvmassLS1highpt(0)
199,fInvmassULS1highpt(0)
7fcd6b0f 200,fSparsephipsiULS(0)
201,fSparsephipsiLS(0)
202,fSparseMassULS(0)
203,fSparseMassLS(0)
914042c2 204{
96387d94 205 //Named constructor
206
207 fPID = new AliHFEpid("hfePid");
208 // Define input and output slots here
209 // Input slot #0 works with a TChain
210 DefineInput(0, TChain::Class());
211 // Output slot #0 id reserved by the base class for AOD
212 // Output slot #1 writes into a TH1 container
213 // DefineOutput(1, TH1I::Class());
214 DefineOutput(1, TList::Class());
215 DefineOutput(2, AliFlowEventSimple::Class());
216 if(fSideBandsFlow){
217 DefineOutput(3, AliFlowEventSimple::Class());
218 }
219 // DefineOutput(3, TTree::Class());
914042c2 220}
221
222//________________________________________________________________________
96387d94 223AliAnalysisTaskFlowTPCEMCalQCSP::AliAnalysisTaskFlowTPCEMCalQCSP()
224: AliAnalysisTaskSE("DefaultAnalysis_AliAnalysisTaskFlowTPCEMCalQCSP")
9d63a2f6 225,fDebug(0)
226,fAOD(0)
227,fGeom(0)
228,fOutputList(0)
229,fCuts(0)
230,fIdentifiedAsOutInz(kFALSE)
231,fPassTheEventCut(kFALSE)
232,fCFM(0)
233,fPID(0)
234,fPIDqa(0)
235,fCutsRP(0) // track cuts for reference particles
236,fNullCuts(0) // dummy cuts for flow event tracks
237,fFlowEvent(0) //! flow events (one for each inv mass band)
238,fkCentralityMethod(0)
239,fCentrality(0)
240,fCentralityMin(0)
241,fCentralityMax(0)
242,fInvmassCut(0)
040cc6fa 243,fpTCut(0)
9d63a2f6 244,fTrigger(0)
245,fPhi(0)
246,fEta(0)
247,fVZEROA(0)
248,fVZEROC(0)
249,fTPCM(0)
250,fNoEvents(0)
251,fTrkEovPBef(0)
252//,fdEdxBef(0)
253,fInclusiveElecPt(0)
254,fTPCnsigma(0)
255,fTPCnsigmaAft(0)
256,fCentralityPass(0)
257,fCentralityNoPass(0)
258,fInvmassLS1(0)
259,fInvmassULS1(0)
260,fPhotoElecPt(0)
261,fSemiInclElecPt(0)
262,fULSElecPt(0)
263,fLSElecPt(0)
264,fminTPC(-1)
265,fmaxTPC(3)
266,fminEovP(0.8)
267,fmaxEovP(1.2)
268,fminM20(0.03)
269,fmaxM20(0.3)
270,fminM02(0.03)
271,fmaxM02(0.5)
272,fDispersion(1)
273,fMultCorAfterCuts(0)
274,fMultvsCentr(0)
275,fSubEventDPhiv2(0)
276,EPVzA(0)
277,EPVzC(0)
278,EPTPC(0)
279,fV2Phi(0)
280,fSparseElectronHadron(0)
281,fvertex(0)
282,fMultCorBeforeCuts(0)
283,fSideBandsFlow(kFALSE)
284,fPhiminusPsi(kFALSE)
285,fFlowEventCont(0) //! flow events (one for each inv mass band)
286,fpurity(kFALSE)
287,fSparseElectronpurity(0)
20791315 288,fOpeningAngleLS(0)
289,fOpeningAngleULS(0)
290,fNonHFE(new AliSelectNonHFE)
291,fDCA(0)
292,fOpeningAngleCut(0)
293,fOP_angle(0)
8e8d9d2a 294,fAssoTPCCluster(0)
295,fAssoITSRefit(0)
ff36a82c 296,fMultCut(0)
297,fMultCorAfterCentrBeforeCuts(0)
298,fMultCorAfterVZTRKComp(0)
299,fCentralityBeforePileup(0)
300,fCentralityAfterVZTRK(0)
acd6f996 301,fCentralityAfterCorrCut(0)
302,fMultCorAfterCorrCut(0)
9f508565 303,EPVz(0)
304,EPTPCp(0)
305,EPTPCn(0)
306,fSubEventDPhiv2new(0)
307,fV2Phivzerotot(0)
308,fHistCentrDistr(0x0)
309,fCentralityNoPassForFlattening(0)
310,fInvmassLS1highpt(0)
311,fInvmassULS1highpt(0)
7fcd6b0f 312,fSparsephipsiULS(0)
313,fSparsephipsiLS(0)
314,fSparseMassULS(0)
315,fSparseMassLS(0)
914042c2 316{
96387d94 317 //Default constructor
318 fPID = new AliHFEpid("hfePid");
319 // Constructor
320 // Define input and output slots here
321 // Input slot #0 works with a TChain
322 DefineInput(0, TChain::Class());
323 // Output slot #0 id reserved by the base class for AOD
324 // Output slot #1 writes into a TH1 container
325 // DefineOutput(1, TH1I::Class());
326 DefineOutput(1, TList::Class());
327 DefineOutput(2, AliFlowEventSimple::Class());
9d63a2f6 328 // DefineOutput(3, TTree::Class());
96387d94 329 if(fSideBandsFlow){
330 DefineOutput(3, AliFlowEventSimple::Class());
331 }
9d63a2f6 332 //DefineOutput(3, TTree::Class());
914042c2 333}
334//_________________________________________
335
a70c9e97 336AliAnalysisTaskFlowTPCEMCalQCSP::~AliAnalysisTaskFlowTPCEMCalQCSP()
914042c2 337{
96387d94 338 //Destructor
339
340 delete fOutputList;
341 delete fGeom;
342 delete fPID;
343 delete fCFM;
344 delete fPIDqa;
345 if (fDCA) delete fNonHFE;
346 if (fOutputList) delete fOutputList;
347 if (fFlowEvent) delete fFlowEvent;
348 if (fFlowEventCont) delete fFlowEventCont;
349
914042c2 350}
351//_________________________________________
352
a70c9e97 353void AliAnalysisTaskFlowTPCEMCalQCSP::UserExec(Option_t*)
914042c2 354{
96387d94 355 //Main loop
356 //Called for each event
357
358 // create pointer to event
359
360 fAOD = dynamic_cast<AliAODEvent*>(InputEvent());
361 if (!fAOD)
362 {
363 printf("ERROR: fAOD not available\n");
364 return;
365 }
366
367 if(!fCuts)
368 {
369 AliError("HFE cuts not available");
370 return;
371 }
372
373 if(!fPID->IsInitialized())
374 {
375 // Initialize PID with the given run number
376 AliWarning("PID not initialised, get from Run no");
377 fPID->InitializePID(fAOD->GetRunNumber());
378 }
914042c2 379
9f508565 380 // cout << "kTrigger == " << fTrigger <<endl;
914042c2 381 if(fTrigger==0){
868965a9 382 if(!(((AliInputEventHandler*)(AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler()))->IsEventSelected() & AliVEvent::kCentral)) return;
914042c2 383 }
384 if(fTrigger==1){
868965a9 385
386 if ( !(((AliInputEventHandler*)(AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler()))->IsEventSelected() & AliVEvent::kAny) ) return;
387
388 TString firedTriggerClasses = static_cast<const AliAODEvent*>(InputEvent())->GetFiredTriggerClasses();
389
390 if ( ! ( firedTriggerClasses.Contains("CVLN_B2-B-NOPF-ALLNOTRD") || firedTriggerClasses.Contains("CVLN_R1-B-NOPF-ALLNOTRD") || firedTriggerClasses.Contains("CSEMI_R1-B-NOPF-ALLNOTRD") ) ) return;
391
914042c2 392 }
393 if(fTrigger==2){
868965a9 394 if(!(((AliInputEventHandler*)(AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler()))->IsEventSelected() & AliVEvent::kEMCEGA)) return;
914042c2 395 }
396 if(fTrigger==3){
868965a9 397 if(!(((AliInputEventHandler*)(AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler()))->IsEventSelected() & AliVEvent::kMB)) return;
914042c2 398 }
acd6f996 399 if(fTrigger==4){
400 if(!(((AliInputEventHandler*)(AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler()))->IsEventSelected() & (AliVEvent::kCentral | AliVEvent::kSemiCentral))) return;
401 }
868965a9 402 if(fTrigger==5){
403 if(!(((AliInputEventHandler*)(AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler()))->IsEventSelected() & (AliVEvent::kSemiCentral))) return;
404 }
acd6f996 405
96387d94 406
407 //---------------CENTRALITY AND EVENT SELECTION-----------------------
408 Int_t fNOtrks = fAOD->GetNumberOfTracks();
9d63a2f6 409 Float_t vtxz = -999;
410 const AliAODVertex* trkVtx = fAOD->GetPrimaryVertex();
411 if (!trkVtx || trkVtx->GetNContributors()<=0)return;
412 TString vtxTtl = trkVtx->GetTitle();
413 if (!vtxTtl.Contains("VertexerTracks"))return;
414 const AliAODVertex* spdVtx = fAOD->GetPrimaryVertexSPD();
415 if (!spdVtx || spdVtx->GetNContributors()<=0)return;
416 if (TMath::Abs(spdVtx->GetZ() - trkVtx->GetZ())>0.5)return;
417 vtxz = trkVtx->GetZ();
418 if(TMath::Abs(vtxz)>10)return;
96387d94 419
420 // Event cut
9d63a2f6 421 if(!fCFM->CheckEventCuts(AliHFEcuts::kEventStepReconstructed, fAOD)) return;
422 if(fNOtrks<2) return;
423
ff36a82c 424 Bool_t pass = kFALSE; //to select centrality and pile up protection
9d63a2f6 425 CheckCentrality(fAOD,pass);
426 if(!pass)return;
ff36a82c 427 fvertex->Fill(vtxz);
a70c9e97 428
96387d94 429 fNoEvents->Fill(0);
430 PlotVZeroMultiplcities(fAOD);
431
432 SetNullCuts(fAOD);
433 PrepareFlowEvent(fAOD->GetNumberOfTracks(),fFlowEvent); //Calculate event plane Qvector and EP resolution for inclusive
434
9d63a2f6 435 if(fSideBandsFlow){
96387d94 436 PrepareFlowEvent(fAOD->GetNumberOfTracks(),fFlowEventCont); //Calculate event plane Qvector and EP resolution for inclusive
9d63a2f6 437 }
438
96387d94 439 AliPIDResponse *pidResponse = fInputHandler->GetPIDResponse();
440 if(!pidResponse)
441 {
442 AliDebug(1, "Using default PID Response");
443 pidResponse = AliHFEtools::GetDefaultPID(kFALSE, fInputEvent->IsA() == AliAODEvent::Class());
914042c2 444 }
914042c2 445
96387d94 446 fPID->SetPIDResponse(pidResponse);
447 fCFM->SetRecEventInfo(fAOD);
448
449 // Look for kink mother
450 Int_t numberofvertices = fAOD->GetNumberOfVertices();
451 Double_t listofmotherkink[numberofvertices];
452 Int_t numberofmotherkink = 0;
453 for(Int_t ivertex=0; ivertex < numberofvertices; ivertex++) {
454 AliAODVertex *aodvertex = fAOD->GetVertex(ivertex);
455 if(!aodvertex) continue;
456 if(aodvertex->GetType()==AliAODVertex::kKink) {
457 AliAODTrack *mother = (AliAODTrack *) aodvertex->GetParent();
458 if(!mother) continue;
459 Int_t idmother = mother->GetID();
460 listofmotherkink[numberofmotherkink] = idmother;
461 //printf("ID %d\n",idmother);
462 numberofmotherkink++;
463 }
464 }
465
9f508565 466
96387d94 467 //=============================================V0EP from Alex======================================================================
9d63a2f6 468 Double_t qxEPa = 0, qyEPa = 0;
469 Double_t qxEPc = 0, qyEPc = 0;
9f508565 470 Double_t qxEP = 0, qyEP = 0;
9d63a2f6 471
472 Double_t evPlAngV0A = fAOD->GetEventplane()->CalculateVZEROEventPlane(fAOD, 8, 2, qxEPa, qyEPa);
473 Double_t evPlAngV0C = fAOD->GetEventplane()->CalculateVZEROEventPlane(fAOD, 9, 2, qxEPc, qyEPc);
9f508565 474 Double_t evPlAngV0 = fAOD->GetEventplane()->CalculateVZEROEventPlane(fAOD, 10, 2, qxEP, qyEP);
9d63a2f6 475
476
477 Double_t Qx2 = 0, Qy2 = 0;
9f508565 478 Double_t Qx2p = 0, Qy2p = 0;
479 Double_t Qx2n = 0, Qy2n = 0;
9d63a2f6 480
481 for (Int_t iT = 0; iT < fAOD->GetNumberOfTracks(); iT++){
482
483 AliAODTrack* aodTrack = fAOD->GetTrack(iT);
484
485 if (!aodTrack)
486 continue;
487
488 if ((TMath::Abs(aodTrack->Eta()) > 0.8) || (aodTrack->Pt() < 0.2) || (aodTrack->GetTPCNcls() < 70) || (aodTrack->Pt() >= 20.0))
489 continue;
490
491 if (!aodTrack->TestFilterBit(128))
492 continue;
493
9f508565 494
495 if(aodTrack->Eta()>0 && aodTrack->Eta()<0.8){
496
497 Qx2p += TMath::Cos(2*aodTrack->Phi());
498 Qy2p += TMath::Sin(2*aodTrack->Phi());
499 }
500 if(aodTrack->Eta()<0 && aodTrack->Eta()> -0.8){
501
502 Qx2n += TMath::Cos(2*aodTrack->Phi());
503 Qy2n += TMath::Sin(2*aodTrack->Phi());
504 }
505
506
9d63a2f6 507 Qx2 += TMath::Cos(2*aodTrack->Phi());
508 Qy2 += TMath::Sin(2*aodTrack->Phi());
9f508565 509
510
511
512
9d63a2f6 513 }
514
515 Double_t evPlAngTPC = TMath::ATan2(Qy2, Qx2)/2.;
9f508565 516 Double_t evPlAngTPCn = TMath::ATan2(Qy2n, Qx2n)/2.;
517 Double_t evPlAngTPCp = TMath::ATan2(Qy2p, Qx2p)/2.;
9d63a2f6 518
519 EPVzA->Fill(evPlAngV0A);
520 EPVzC->Fill(evPlAngV0C);
521 EPTPC->Fill(evPlAngTPC);
522
9f508565 523 EPTPCn->Fill(evPlAngTPCn);
524 EPTPCp->Fill(evPlAngTPCp);
525 EPVz->Fill(evPlAngV0);
526
527
528
529
9d63a2f6 530 fSubEventDPhiv2->Fill(0.5, TMath::Cos(2.*(evPlAngV0A-evPlAngTPC))); // vzeroa - tpc
531 fSubEventDPhiv2->Fill(1.5, TMath::Cos(2.*(evPlAngV0A-evPlAngV0C))); // vzeroa - vzeroc
532 fSubEventDPhiv2->Fill(2.5, TMath::Cos(2.*(evPlAngV0C-evPlAngTPC))); // tpc - vzeroc
9f508565 533
534
535 fSubEventDPhiv2new->Fill(0.5, TMath::Cos(2.*(evPlAngV0-evPlAngTPCp))); // vzero - tpcp
536 fSubEventDPhiv2new->Fill(1.5, TMath::Cos(2.*(evPlAngV0-evPlAngTPCn))); // vzero - tpcn
537 fSubEventDPhiv2new->Fill(2.5, TMath::Cos(2.*(evPlAngTPCp-evPlAngTPCn))); // tpcp - tpcn
538
539
540
541
96387d94 542 //====================================================================================================================
9d63a2f6 543
544
96387d94 545 AliAODTrack *track = NULL;
546
547 // Track loop
548 for (Int_t iTracks = 0; iTracks < fAOD->GetNumberOfTracks(); iTracks++)
549 {
550 track = fAOD->GetTrack(iTracks);
551 if (!track)
914042c2 552 {
96387d94 553 printf("ERROR: Could not receive track %d\n", iTracks);
554 continue;
914042c2 555 }
96387d94 556
557 if(!track->TestFilterMask(AliAODTrack::kTrkGlobalNoDCA)) continue; // TESTBIT FOR AOD double Counting
558 //----------hfe begin---------
559 if(track->Eta()<-0.7 || track->Eta()>0.7) continue; //eta cuts on candidates
560
561 // RecKine: ITSTPC cuts
562 if(!ProcessCutStep(AliHFEcuts::kStepRecKineITSTPC, track)) continue;
563
564 // Reject kink mother
565 Bool_t kinkmotherpass = kTRUE;
566 for(Int_t kinkmother = 0; kinkmother < numberofmotherkink; kinkmother++) {
567 if(track->GetID() == listofmotherkink[kinkmother]) {
568 kinkmotherpass = kFALSE;
569 continue;
570 }
571 }
572 if(!kinkmotherpass) continue;
573
574 // RecPrim
575 // if(!ProcessCutStep(AliHFEcuts::kStepRecPrim, track)) continue; //deleted for DCA absence
576 // HFEcuts: ITS layers cuts
577 if(!ProcessCutStep(AliHFEcuts::kStepHFEcutsITS, track)) continue;
578 // HFE cuts: TPC PID cleanup
579 if(!ProcessCutStep(AliHFEcuts::kStepHFEcutsTPC, track)) continue;
580
581 Double_t fClsE = -999, p = -999, fEovP=-999, pt = -999, fTPCnSigma=0;
582 // Track extrapolation
583 Int_t fClsId = track->GetEMCALcluster();
584 if(fClsId < 0) continue;
585 AliAODCaloCluster *cluster = fAOD->GetCaloCluster(fClsId);
586 if(TMath::Abs(cluster->GetTrackDx()) > 0.05 || TMath::Abs(cluster->GetTrackDz()) > 0.05) continue;
587
588 pt = track->Pt(); //pt track after cuts
589 if(pt<fpTCut) continue;
590 fClsE = cluster->E();
591 p = track->P();
592 // dEdx = track->GetTPCsignal();
593 fEovP = fClsE/p;
594 fTPCnSigma = fPID->GetPIDResponse() ? fPID->GetPIDResponse()->NumberOfSigmasTPC(track, AliPID::kElectron) : 1000;
595 Double_t m20 =cluster->GetM20();
596 Double_t m02 =cluster->GetM02();
597 Double_t disp=cluster->GetDispersion();
598 if(fTPCnSigma >= -1 && fTPCnSigma <= 3)fTrkEovPBef->Fill(pt,fEovP);
599 fTPCnsigma->Fill(p,fTPCnSigma);
600 // fdEdxBef->Fill(p,dEdx);
601 Double_t eta = track->Eta();
602 Double_t phi = track->Phi();
603 //-----------------------Phiminupsi method to remove the contamination-----------------------------------------------
604 //-----------------------fTPCnSigma < -3.5 hadrons will be selected from this region--------------------------
605 Float_t dPhi_aeh = TVector2::Phi_0_2pi(phi - evPlAngV0A);
606 if(dPhi_aeh > TMath::Pi()) dPhi_aeh = dPhi_aeh - TMath::Pi();
607 Float_t dPhi_ceh = TVector2::Phi_0_2pi(phi - evPlAngV0C);
608 if(dPhi_ceh > TMath::Pi()) dPhi_ceh = dPhi_ceh - TMath::Pi();
609
610 if(fPhiminusPsi){
611 Double_t valueElh[8] = {
612 pt,
613 fEovP,
614 fTPCnSigma,
615 m20,
616 m02,
617 disp,
618 dPhi_aeh,
619 dPhi_ceh};
620 fSparseElectronHadron->Fill(valueElh);
621 }
622 //----------------------------------------------------------------------------------------------------------
623 //---------------------------From here usual electron selection---------------------------------------------
624 //----------------------------------------------------------------------------------------------------------
625 if(m20 < fminM20 || m20 > fmaxM20) continue;
626 if(m02 < fminM02 || m02 > fmaxM02) continue;
627 if(disp > fDispersion ) continue;
628 //---------------------------------for purity---------------------------------------------------------------
629 if(fpurity){
630 Double_t valuepurity[3] = {
631 pt,
632 fEovP,
633 fTPCnSigma};
9f508565 634 fSparseElectronpurity->Fill(valuepurity);
96387d94 635 }
636 //----------------------------------------------------------------------------------------------------------
637 //----------------------------------------------------------------------------------------------------------
638 if(fTPCnSigma < fminTPC || fTPCnSigma > fmaxTPC) continue; //cuts on nsigma tpc and EoP
639 //===============================Flow Event for Contamination=============================================
640 if(fSideBandsFlow){
641 if(fEovP>0 && fEovP<0.6){
642 AliFlowTrack *sTrackCont = new AliFlowTrack();
643 sTrackCont->Set(track);
644 sTrackCont->SetID(track->GetID());
03b64410 645 sTrackCont->SetForRPSelection(kTRUE);
96387d94 646 sTrackCont->SetForPOISelection(kTRUE);
647 sTrackCont->SetMass(2637);
648 for(int iRPs=0; iRPs!=fFlowEventCont->NumberOfTracks(); ++iRPs)
649 {
650 // cout << " no of rps " << iRPs << endl;
651 AliFlowTrack *iRPCont = dynamic_cast<AliFlowTrack*>(fFlowEventCont->GetTrack( iRPs ));
652 if (!iRPCont) continue;
653 if (!iRPCont->InRPSelection()) continue;
654 if( sTrackCont->GetID() == iRPCont->GetID())
655 {
656 if(fDebug) printf(" was in RP set");
657 // cout << sTrack->GetID() <<" == " << iRP->GetID() << " was in RP set" <<endl;
658 iRPCont->SetForRPSelection(kFALSE);
03b64410 659 // fFlowEventCont->SetNumberOfRPs(fFlowEventCont->GetNumberOfRPs() - 1);
96387d94 660 }
661 } //end of for loop on RPs
662 fFlowEventCont->InsertTrack(((AliFlowTrack*) sTrackCont));
03b64410 663 fFlowEventCont->SetNumberOfPOIs(fFlowEventCont->GetNumberOfPOIs()+1);
664
96387d94 665 }
666 }
667 //==========================================================================================================
668 //===============================From here eovP cut is used fro QC, SP and EPV0=============================
669 if(fEovP < fminEovP || fEovP >fmaxEovP) continue;
670 //==========================================================================================================
671 //============================Event Plane Method with V0====================================================
672 Double_t v2PhiV0A = TMath::Cos(2*(phi - evPlAngV0A));
673 Double_t v2PhiV0C = TMath::Cos(2*(phi - evPlAngV0C));
674 Double_t v2Phi[3] = {
675 v2PhiV0A,
676 v2PhiV0C,
677 pt};
678 fV2Phi->Fill(v2Phi);
9f508565 679
680 Double_t v2PhiVz = TMath::Cos(2*(phi - evPlAngV0));
681 Double_t v2PhiV0tot[2] = {
682 v2PhiVz,
683 pt};
684 fV2Phivzerotot->Fill(v2PhiV0tot);
96387d94 685 //=========================================================================================================
686 fTPCnsigmaAft->Fill(p,fTPCnSigma);
687 fInclusiveElecPt->Fill(pt);
688 fPhi->Fill(phi);
689 fEta->Fill(eta);
690 //----------------------Flow of Inclusive Electrons--------------------------------------------------------
691 AliFlowTrack *sTrack = new AliFlowTrack();
692 sTrack->Set(track);
693 sTrack->SetID(track->GetID());
03b64410 694 sTrack->SetForRPSelection(kTRUE);
96387d94 695 sTrack->SetForPOISelection(kTRUE);
696 sTrack->SetMass(263732);
697 for(int iRPs=0; iRPs!=fFlowEvent->NumberOfTracks(); ++iRPs)
698 {
699 // cout << " no of rps " << iRPs << endl;
700 AliFlowTrack *iRP = dynamic_cast<AliFlowTrack*>(fFlowEvent->GetTrack( iRPs ));
701 if (!iRP) continue;
702 if (!iRP->InRPSelection()) continue;
703 if( sTrack->GetID() == iRP->GetID())
704 {
705 if(fDebug) printf(" was in RP set");
706 // cout << sTrack->GetID() <<" == " << iRP->GetID() << " was in RP set" <<endl;
707 iRP->SetForRPSelection(kFALSE);
03b64410 708 // fFlowEvent->SetNumberOfRPs(fFlowEvent->GetNumberOfRPs() - 1);
96387d94 709 }
710 } //end of for loop on RPs
711 fFlowEvent->InsertTrack(((AliFlowTrack*) sTrack));
03b64410 712 fFlowEvent->SetNumberOfPOIs(fFlowEvent->GetNumberOfPOIs()+1);
96387d94 713
714
715 if(fDCA){
716 //----------------------Selection of Photonic Electrons DCA-----------------------------
717 fNonHFE = new AliSelectNonHFE();
718 fNonHFE->SetAODanalysis(kTRUE);
719 fNonHFE->SetInvariantMassCut(fInvmassCut);
720 if(fOP_angle) fNonHFE->SetOpeningAngleCut(fOpeningAngleCut);
721 //fNonHFE->SetChi2OverNDFCut(fChi2Cut);
722 //if(fDCAcutFlag) fNonHFE->SetDCACut(fDCAcut);
723 fNonHFE->SetAlgorithm("DCA"); //KF
724 fNonHFE->SetPIDresponse(pidResponse);
725 fNonHFE->SetTrackCuts(-3,3);
726
727 fNonHFE->SetHistAngleBack(fOpeningAngleLS);
728 fNonHFE->SetHistAngle(fOpeningAngleULS);
729 //fNonHFE->SetHistDCABack(fDCABack);
730 //fNonHFE->SetHistDCA(fDCA);
731 fNonHFE->SetHistMassBack(fInvmassLS1);
732 fNonHFE->SetHistMass(fInvmassULS1);
733
734 fNonHFE->FindNonHFE(iTracks,track,fAOD);
735
736 // Int_t *fUlsPartner = fNonHFE->GetPartnersULS();
737 // Int_t *fLsPartner = fNonHFE->GetPartnersLS();
738 // Bool_t fUlsIsPartner = kFALSE;
739 // Bool_t fLsIsPartner = kFALSE;
740 if(fNonHFE->IsULS()){
741 for(Int_t kULS =0; kULS < fNonHFE->GetNULS(); kULS++){
742 fULSElecPt->Fill(track->Pt());
743 }
744 }
745
746 if(fNonHFE->IsLS()){
747 for(Int_t kLS =0; kLS < fNonHFE->GetNLS(); kLS++){
748 fLSElecPt->Fill(track->Pt());
749 }
750 }
751 }
752
753 if(!fDCA){
754 //----------------------Selection of Photonic Electrons KFParticle-----------------------------
755 Bool_t fFlagPhotonicElec = kFALSE;
7fcd6b0f 756 SelectPhotonicElectron(iTracks,track,fEovP, evPlAngV0, fFlagPhotonicElec);
96387d94 757 if(fFlagPhotonicElec){fPhotoElecPt->Fill(pt);}
758 // Semi inclusive electron
759 if(!fFlagPhotonicElec){fSemiInclElecPt->Fill(pt);}
760 }
761
762
763
764 }//end loop on track
765
766 PostData(1, fOutputList);
767 PostData(2, fFlowEvent);
9d63a2f6 768 if(fSideBandsFlow){
96387d94 769 PostData(3, fFlowEventCont);
9d63a2f6 770 }
96387d94 771
772 //----------hfe end---------
914042c2 773}
774//_________________________________________
7fcd6b0f 775void AliAnalysisTaskFlowTPCEMCalQCSP::SelectPhotonicElectron(Int_t itrack,const AliAODTrack *track,Double_t fEovP,Double_t evPlAngV0, Bool_t &fFlagPhotonicElec)
914042c2 776{
96387d94 777 //Identify non-heavy flavour electrons using Invariant mass method KF
778
779 Bool_t flagPhotonicElec = kFALSE;
780
781 for(Int_t jTracks = 0; jTracks<fAOD->GetNumberOfTracks(); jTracks++){
782 AliAODTrack *trackAsso = fAOD->GetTrack(jTracks);
783 if (!trackAsso) {
784 printf("ERROR: Could not receive track %d\n", jTracks);
785 continue;
786 }
787 // if(!track->TestFilterMask(AliAODTrack::kTrkGlobalNoDCA)) continue; // TESTBIT FOR AOD double Counting
788 if(!trackAsso->TestFilterMask(AliAODTrack::kTrkTPCOnly)) continue;
789 // if((!(trackAsso->GetStatus()&AliESDtrack::kITSrefit) || (!(trackAsso->GetStatus()&AliESDtrack::kTPCrefit)))) continue;
790
791 if(fAssoITSRefit){
792 if(!(trackAsso->GetStatus()&AliESDtrack::kITSrefit)) continue;
793 }
794
795 if(!(trackAsso->GetStatus()&AliESDtrack::kTPCrefit)) continue;
796
797 if(jTracks == itrack) continue;
798 Double_t ptAsso=-999., nsigma=-999.0;
799 Double_t mass=-999., width = -999;
800 Bool_t fFlagLS=kFALSE, fFlagULS=kFALSE;
801 Double_t openingAngle = -999.;
9f508565 802 Double_t ptcutonmasshighpt = track->Pt();
acd6f996 803
96387d94 804 ptAsso = trackAsso->Pt();
805 Short_t chargeAsso = trackAsso->Charge();
806 Short_t charge = track->Charge();
acd6f996 807
96387d94 808 nsigma = fPID->GetPIDResponse() ? fPID->GetPIDResponse()->NumberOfSigmasTPC(trackAsso, AliPID::kElectron) : 1000;
809
810 //80
811 if(trackAsso->GetTPCNcls() < fAssoTPCCluster) continue;
812 if(nsigma < -3 || nsigma > 3) continue;
813 if(trackAsso->Eta()<-0.9 || trackAsso->Eta()>0.9) continue;
814 if(ptAsso <0.3) continue;
815
816 Int_t fPDGe1 = 11; Int_t fPDGe2 = 11;
817 if(charge>0) fPDGe1 = -11;
818 if(chargeAsso>0) fPDGe2 = -11;
819
820 if(charge == chargeAsso) fFlagLS = kTRUE;
821 if(charge != chargeAsso) fFlagULS = kTRUE;
822
823 AliKFParticle::SetField(fAOD->GetMagneticField());
824 AliKFParticle ge1 = AliKFParticle(*track, fPDGe1);
825 AliKFParticle ge2 = AliKFParticle(*trackAsso, fPDGe2);
826 AliKFParticle recg(ge1, ge2);
827
828 if(recg.GetNDF()<1) continue;
829 Double_t chi2recg = recg.GetChi2()/recg.GetNDF();
830 if(TMath::Sqrt(TMath::Abs(chi2recg))>3.) continue;
831 recg.GetMass(mass,width);
832
833 openingAngle = ge1.GetAngle(ge2);
834 if(fFlagLS) fOpeningAngleLS->Fill(openingAngle);
835 if(fFlagULS) fOpeningAngleULS->Fill(openingAngle);
836 if(fOP_angle)if(openingAngle > fOpeningAngleCut) continue;
837
838
839 if(fFlagLS) fInvmassLS1->Fill(mass);
840 if(fFlagULS) fInvmassULS1->Fill(mass);
841
7fcd6b0f 842 if(fFlagULS){
843 Double_t MassSparseULS[3] = {
844 track->Pt(),
845 mass
846 };
847 fSparseMassULS->Fill(MassSparseULS);
848 }
849 if(fFlagLS){
850 Double_t MassSparseLS[3] = {
851 track->Pt(),
852 mass
853 };
854 fSparseMassLS->Fill(MassSparseLS);
855 }
856
857
9f508565 858 if(ptcutonmasshighpt >= 8.){
acd6f996 859 if(fFlagLS) fInvmassLS1highpt->Fill(mass);
860 if(fFlagULS) fInvmassULS1highpt->Fill(mass);
9f508565 861 }
862
863
96387d94 864 if(mass<fInvmassCut){
865 if(fFlagULS){fULSElecPt->Fill(track->Pt());}
866 if(fFlagLS){fLSElecPt->Fill(track->Pt());}
867 }
868
7fcd6b0f 869
870
871 Double_t phi = track->Phi();
872 Float_t DeltaPhi_eEP = TVector2::Phi_0_2pi(phi - evPlAngV0);
873 if(DeltaPhi_eEP > TMath::Pi()) {DeltaPhi_eEP = DeltaPhi_eEP - TMath::Pi();}
874
875
876 if(mass<fInvmassCut){
877 if(fFlagULS){
878 Double_t ulsSparse[3] = {
879 track->Pt(),
880 fEovP,
881 DeltaPhi_eEP
882 };
883 fSparsephipsiULS->Fill(ulsSparse);
884 }
885 if(fFlagLS){
886 Double_t lsSparse[3] = {
887 track->Pt(),
888 fEovP,
889 DeltaPhi_eEP
890 };
891 fSparsephipsiLS->Fill(lsSparse);
892 }
893 }
894
895
896
96387d94 897 if(mass<fInvmassCut && fFlagULS && !flagPhotonicElec){
898 flagPhotonicElec = kTRUE;
899 }
900 }//track loop
901 fFlagPhotonicElec = flagPhotonicElec;
914042c2 902}
8e8d9d2a 903//__________________________________________________________________________________
a70c9e97 904void AliAnalysisTaskFlowTPCEMCalQCSP::UserCreateOutputObjects()
914042c2 905{
96387d94 906 //Create histograms
907
908 //----------hfe initialising begin---------
909 fNullCuts = new AliFlowTrackCuts("null_cuts");
910
911 AliFlowCommonConstants* cc = AliFlowCommonConstants::GetMaster();
912 cc->SetNbinsMult(10000);
913 cc->SetMultMin(0);
914 cc->SetMultMax(10000);
915
916 cc->SetNbinsPt(100);
917 cc->SetPtMin(0);
918 cc->SetPtMax(50);
919
920 cc->SetNbinsPhi(180);
921 cc->SetPhiMin(0.0);
922 cc->SetPhiMax(TMath::TwoPi());
923
924 cc->SetNbinsEta(30);
925 cc->SetEtaMin(-7.0);
926 cc->SetEtaMax(+7.0);
927
928 cc->SetNbinsQ(500);
929 cc->SetQMin(0.0);
930 cc->SetQMax(3.0);
931
932 //--------Initialize PID
933 fPID->SetHasMCData(kFALSE);
934 if(!fPID->GetNumberOfPIDdetectors())
935 {
936 fPID->AddDetector("TPC", 0);
937 fPID->AddDetector("EMCAL", 1);
938 }
939
940 fPID->SortDetectors();
941 fPIDqa = new AliHFEpidQAmanager();
942 fPIDqa->Initialize(fPID);
943
944 //--------Initialize correction Framework and Cuts
945 fCFM = new AliCFManager;
946 const Int_t kNcutSteps = AliHFEcuts::kNcutStepsMCTrack + AliHFEcuts::kNcutStepsRecTrack + AliHFEcuts::kNcutStepsDETrack;
947 fCFM->SetNStepParticle(kNcutSteps);
948 for(Int_t istep = 0; istep < kNcutSteps; istep++)
949 fCFM->SetParticleCutsList(istep, NULL);
950
951 if(!fCuts){
952 AliWarning("Cuts not available. Default cuts will be used");
953 fCuts = new AliHFEcuts;
954 fCuts->CreateStandardCuts();
955 }
956
957 fCuts->SetAOD();
958 fCuts->Initialize(fCFM);
959 //----------hfe initialising end--------
960 //---------Output Tlist
961 fOutputList = new TList();
962 fOutputList->SetOwner();
963 fOutputList->Add(fPIDqa->MakeList("PIDQA"));
964
965 fNoEvents = new TH1F("fNoEvents","",1,0,1) ;
966 fOutputList->Add(fNoEvents);
967
968 fTPCnsigma = new TH2F("fTPCnsigma", "TPC - n sigma before HFE pid",1000,0,50,200,-10,10);
969 fOutputList->Add(fTPCnsigma);
970
971 fTPCnsigmaAft = new TH2F("fTPCnsigmaAft", "TPC - n sigma after HFE pid",1000,0,50,200,-10,10);
972 fOutputList->Add(fTPCnsigmaAft);
973
974 fTrkEovPBef = new TH2F("fTrkEovPBef","track E/p before HFE pid",1000,0,50,100,0,2);
975 fOutputList->Add(fTrkEovPBef);
976
977 // fdEdxBef = new TH2F("fdEdxBef","track dEdx vs p before HFE pid",1000,0,50,150,0,150);
978 // fOutputList->Add(fdEdxBef);
979
980 fInclusiveElecPt = new TH1F("fInclElecPt", "Inclusive electron pt",1000,0,100);
981 fOutputList->Add(fInclusiveElecPt);
982
983 fPhotoElecPt = new TH1F("fPhotoElecPt", "photonic electron pt",1000,0,100);
984 fOutputList->Add(fPhotoElecPt);
ff36a82c 985
96387d94 986 fSemiInclElecPt = new TH1F("fSemiInclElecPt", "Semi-inclusive electron pt",1000,0,100);
987 fOutputList->Add(fSemiInclElecPt);
988
989 fULSElecPt = new TH1F("fULSElecPt", "ULS electron pt",1000,0,100);
990 fOutputList->Add(fULSElecPt);
991
914042c2 992 fLSElecPt = new TH1F("fLSElecPt", "LS electron pt",1000,0,100);
993 fOutputList->Add(fLSElecPt);
96387d94 994
995 fInvmassLS1 = new TH1F("fInvmassLS1", "Inv mass of LS (e,e); mass(GeV/c^2); counts;", 1000,0,1.0);
996 fOutputList->Add(fInvmassLS1);
997
998 fInvmassULS1 = new TH1F("fInvmassULS1", "Inv mass of ULS (e,e); mass(GeV/c^2); counts;", 1000,0,1.0);
999 fOutputList->Add(fInvmassULS1);
acd6f996 1000
9f508565 1001 fInvmassLS1highpt = new TH1F("fInvmassLS1highpt", "Inv mass of LS (e,e); mass(GeV/c^2) highpt; counts;", 1000,0,1.0);
1002 fOutputList->Add(fInvmassLS1highpt);
1003
1004 fInvmassULS1highpt = new TH1F("fInvmassULS1highpt", "Inv mass of ULS (e,e); mass(GeV/c^2) highpt; counts;", 1000,0,1.0);
1005 fOutputList->Add(fInvmassULS1highpt);
96387d94 1006
1007 fCentralityPass = new TH1F("fCentralityPass", "Centrality Pass", 101, -1, 100);
1008 fOutputList->Add(fCentralityPass);
1009
1010 fCentralityNoPass = new TH1F("fCentralityNoPass", "Centrality No Pass", 101, -1, 100);
1011 fOutputList->Add(fCentralityNoPass);
1012
9f508565 1013 fCentralityNoPassForFlattening = new TH1F("fCentralityNoPassForFlattening", "Centrality No Pass for flattening", 101, -1, 100);
1014 fOutputList->Add(fCentralityNoPassForFlattening);
1015
ff36a82c 1016 fCentralityBeforePileup = new TH1F("fCentralityBeforePileup", "fCentralityBeforePileup Pass", 101, -1, 100);
1017 fOutputList->Add(fCentralityBeforePileup);
9f508565 1018
ff36a82c 1019 fCentralityAfterVZTRK = new TH1F("fCentralityAfterVZTRK", "fCentralityAfterVZTRK Pass", 101, -1, 100);
1020 fOutputList->Add(fCentralityAfterVZTRK);
acd6f996 1021
1022 fCentralityAfterCorrCut = new TH1F("fCentralityAfterCorrCut", "fCentralityAfterCorrCut Pass", 101, -1, 100);
1023 fOutputList->Add(fCentralityAfterCorrCut);
9f508565 1024
96387d94 1025 fPhi = new TH1F("fPhi", "#phi distribution", 100, -.5, 7);
1026 fOutputList->Add(fPhi);
1027
1028 fEta = new TH1F("fEta", "#eta distribution", 100, -1.1, 1.1);
1029 fOutputList->Add(fEta);
1030
1031 fVZEROA = new TH1F("fVZEROA", "VZERO A Multiplicity", 1000, 0, 10000);
1032 fOutputList->Add(fVZEROA);
1033
1034 fVZEROC = new TH1F("fVZEROC", "VZERO C Multiplicity", 1000, 0, 10000);
1035 fOutputList->Add(fVZEROC);
1036
1037 fTPCM = new TH1F("fTPCM", "TPC multiplicity", 1000, 0, 10000);
1038 fOutputList->Add(fTPCM);
1039
1040 fvertex = new TH1D("fvertex", "vertex distribution", 300, -15,15);
1041 fOutputList->Add(fvertex);
1042
1043 fMultCorBeforeCuts = new TH2F("fMultCorBeforeCuts", "TPC vs Global multiplicity (Before cuts); Global multiplicity; TPC multiplicity", 100, 0, 3000, 100, 0, 3000);
1044 fOutputList->Add(fMultCorBeforeCuts);
1045
1046 fMultCorAfterCuts = new TH2F("fMultCorAfterCuts", "TPC vs Global multiplicity (After cuts); Global multiplicity; TPC multiplicity", 100, 0, 3000, 100, 0, 3000);
1047 fOutputList->Add(fMultCorAfterCuts);
1048
ff36a82c 1049 fMultCorAfterCentrBeforeCuts = new TH2F("fMultCorAfterCentrBeforeCuts", "TPC vs Global multiplicity (After CC before cuts); Global multiplicity; TPC multiplicity", 100, 0, 3000, 100, 0, 3000);
1050 fOutputList->Add(fMultCorAfterCentrBeforeCuts);
1051
1052 fMultCorAfterVZTRKComp = new TH2F("fMultCorAfterVZTRKComp", "TPC vs Global multiplicity (After V0-TRK); Global multiplicity; TPC multiplicity", 100, 0, 3000, 100, 0, 3000);
1053 fOutputList->Add(fMultCorAfterVZTRKComp);
1054
acd6f996 1055 fMultCorAfterCorrCut = new TH2F("fMultCorAfterCorrCut", "TPC vs Global multiplicity (After CorrCut); Global multiplicity; TPC multiplicity", 100, 0, 3000, 100, 0, 3000);
1056 fOutputList->Add(fMultCorAfterCorrCut);
1057
96387d94 1058 fMultvsCentr = new TH2F("fMultvsCentr", "Multiplicity vs centrality; centrality; Multiplicity", 100, 0., 100, 100, 0, 3000);
1059 fOutputList->Add(fMultvsCentr);
9d63a2f6 1060
20791315 1061 fOpeningAngleLS = new TH1F("fOpeningAngleLS","Opening angle for LS pairs",100,0,1);
1062 fOutputList->Add(fOpeningAngleLS);
1063
1064 fOpeningAngleULS = new TH1F("fOpeningAngleULS","Opening angle for ULS pairs",100,0,1);
1065 fOutputList->Add(fOpeningAngleULS);
1066
96387d94 1067
1068 //----------------------------------------------------------------------------
9d63a2f6 1069 EPVzA = new TH1D("EPVzA", "EPVzA", 80, -2, 2);
1070 fOutputList->Add(EPVzA);
1071 EPVzC = new TH1D("EPVzC", "EPVzC", 80, -2, 2);
1072 fOutputList->Add(EPVzC);
1073 EPTPC = new TH1D("EPTPC", "EPTPC", 80, -2, 2);
1074 fOutputList->Add(EPTPC);
9f508565 1075
1076
1077 EPVz = new TH1D("EPVz", "EPVz", 80, -2, 2);
1078 fOutputList->Add(EPVz);
1079 EPTPCp = new TH1D("EPTPCp", "EPTPCp", 80, -2, 2);
1080 fOutputList->Add(EPTPCp);
1081 EPTPCn = new TH1D("EPTPCn", "EPTPCn", 80, -2, 2);
1082 fOutputList->Add(EPTPCn);
1083
96387d94 1084 //----------------------------------------------------------------------------
9d63a2f6 1085 fSubEventDPhiv2 = new TProfile("fSubEventDPhiv2", "fSubEventDPhiv2", 3, 0, 3);
1086 fSubEventDPhiv2->GetXaxis()->SetBinLabel(1, "<cos(2(#Psi_{a} - #Psi_{b}))>");
1087 fSubEventDPhiv2->GetXaxis()->SetBinLabel(2, "<cos(2(#Psi_{a} - #Psi_{c}>))");
1088 fSubEventDPhiv2->GetXaxis()->SetBinLabel(3, "<cos(2(#Psi_{b} - #Psi_{c}>))");
1089 fOutputList->Add(fSubEventDPhiv2);
9f508565 1090
1091
1092
1093 fSubEventDPhiv2new = new TProfile("fSubEventDPhiv2new", "fSubEventDPhiv2new", 3, 0, 3);
1094 fSubEventDPhiv2new->GetXaxis()->SetBinLabel(1, "<cos(2(#Psi_{a} - #Psi_{b}))>");
1095 fSubEventDPhiv2new->GetXaxis()->SetBinLabel(2, "<cos(2(#Psi_{a} - #Psi_{c}>))");
1096 fSubEventDPhiv2new->GetXaxis()->SetBinLabel(3, "<cos(2(#Psi_{b} - #Psi_{c}>))");
1097 fOutputList->Add(fSubEventDPhiv2new);
1098 //================================Event Plane with VZERO A & C=====================
1099 const Int_t nPtBins = 12;
1100 Double_t binsPt[nPtBins+1] = {0, 1.0, 1.5, 2.0, 2.5, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 10, 13};
9d63a2f6 1101 // v2A, v2C, pt
1102 Int_t bins[3] = { 50, 50, nPtBins};
1103 Double_t xmin[3] = { -1., -1., 0};
9f508565 1104 Double_t xmax[3] = { 1., 1., 13};
9d63a2f6 1105 fV2Phi = new THnSparseF("fV2Phi", "v2A:v2C:pt", 3, bins, xmin, xmax);
1106 // Set bin limits for axes which are not standard binned
1107 fV2Phi->SetBinEdges(2, binsPt);
1108 // set axes titles
1109 fV2Phi->GetAxis(0)->SetTitle("v_{2} (V0A)");
1110 fV2Phi->GetAxis(1)->SetTitle("v_{2} (V0C)");
1111 fV2Phi->GetAxis(2)->SetTitle("p_{T} (GeV/c)");
1112 fOutputList->Add(fV2Phi);
9f508565 1113
1114
1115
1116 //================================Event Plane with VZERO=====================
1117 // const Int_t nPtBins = 10;
1118 // Double_t binsPt[nPtBins+1] = {0, 1.0, 1.5, 2.0, 2.5, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0};
1119 // v2, pt
1120 Int_t binsV[2] = { 50, nPtBins};
1121 Double_t xminV[2] = { -1., 0};
1122 Double_t xmaxV[2] = { 1., 13};
1123 fV2Phivzerotot = new THnSparseF("fV2Phivzerotot", "v2:pt", 2, binsV, xminV, xmaxV);
1124 // Set bin limits for axes which are not standard binned
1125 fV2Phivzerotot->SetBinEdges(1, binsPt);
1126 // set axes titles
1127 fV2Phivzerotot->GetAxis(0)->SetTitle("v_{2} (V0)");
1128 fV2Phivzerotot->GetAxis(1)->SetTitle("p_{T} (GeV/c)");
1129 fOutputList->Add(fV2Phivzerotot);
1130
1131
1132
96387d94 1133 //----------------------------------------------------------------------------
acd6f996 1134
9d63a2f6 1135 if(fPhiminusPsi){
96387d94 1136 Int_t binsvElectH[8]={ 600, 200, 200 ,100, 100, 100, 10, 10}; //pt, E/p,TPCnSigma,M20,M02,Disp Phi-psiV0A ,Phi-PsiV0C,eta (commented)
1137 Double_t xminvElectH[8]={0, 0, -10 , 0, 0, 0, 0, 0};
1138 Double_t xmaxvElectH[8]={20, 2, 10 , 2, 2, 2, TMath::Pi(), TMath::Pi()};
1139 fSparseElectronHadron = new THnSparseD("ElectronHadron","ElectronHadron",8,binsvElectH,xminvElectH,xmaxvElectH);
1140 fSparseElectronHadron->GetAxis(0)->SetTitle("p_{T} (GeV/c)");
1141 fSparseElectronHadron->GetAxis(1)->SetTitle("EovP");
1142 fSparseElectronHadron->GetAxis(2)->SetTitle("TPCnSigma");
1143 fSparseElectronHadron->GetAxis(3)->SetTitle("M20");
1144 fSparseElectronHadron->GetAxis(4)->SetTitle("M02");
1145 fSparseElectronHadron->GetAxis(5)->SetTitle("Disp");
1146 fSparseElectronHadron->GetAxis(6)->SetTitle("phiminuspsi V0A");
1147 fSparseElectronHadron->GetAxis(7)->SetTitle("phiminuspsi V0C");
1148 fOutputList->Add(fSparseElectronHadron);
9d63a2f6 1149 }
96387d94 1150 //----------------------------------------------------------------------------
1151 //----------------------------------------------------------------------------
9d63a2f6 1152 if(fpurity){
96387d94 1153 Int_t binsvpurity[3]={ 600,200, 200}; //pt, E/p,TPCnSigma
1154 Double_t xminvpurity[3]={0, 0, -10};
ff36a82c 1155 Double_t xmaxvpurity[3]={30, 2, 10};
96387d94 1156 fSparseElectronpurity = new THnSparseD("Electronpurity","Electronpurity",3,binsvpurity,xminvpurity,xmaxvpurity);
1157 fSparseElectronpurity->GetAxis(0)->SetTitle("p_{T} (GeV/c)");
1158 fSparseElectronpurity->GetAxis(1)->SetTitle("EovP");
1159 fSparseElectronpurity->GetAxis(2)->SetTitle("TPCnSigma");
1160 fOutputList->Add(fSparseElectronpurity);
9d63a2f6 1161 }
96387d94 1162 //----------------------------------------------------------------------------
1163
7fcd6b0f 1164
1165 Int_t binsphipsi[3] = { 100, 200, 6};
1166 Double_t xminphipsi[3] = { 0., 0, 0};
1167 Double_t xmaxphipsi[3] = { 10., 2, TMath::Pi()};
1168 fSparsephipsiULS = new THnSparseF("fSparsephipsiULS", "pt:eop:DeltaPhiULS", 3, binsphipsi, xminphipsi, xmaxphipsi);
1169 fSparsephipsiULS->GetAxis(0)->SetTitle("pt (Gev/c)");
1170 fSparsephipsiULS->GetAxis(1)->SetTitle("eop");
1171 fSparsephipsiULS->GetAxis(2)->SetTitle("DeltaPhiULS");
1172 fOutputList->Add(fSparsephipsiULS);
1173
1174 fSparsephipsiLS = new THnSparseF("fSparsephipsiLS", "pt:eop:DeltaPhiLS", 3, binsphipsi, xminphipsi, xmaxphipsi);
1175 fSparsephipsiLS->GetAxis(0)->SetTitle("pt (Gev/c)");
1176 fSparsephipsiLS->GetAxis(1)->SetTitle("eop");
1177 fSparsephipsiLS->GetAxis(2)->SetTitle("DeltaPhiLS");
1178 fOutputList->Add(fSparsephipsiLS);
1179
1180 Int_t binsmass[2] = { 100, 200};
1181 Double_t xminmass[2] = { 0., 0};
1182 Double_t xmaxmass[2] = { 10., 1.};
1183 fSparseMassULS = new THnSparseF("fSparseMassULS", "pt:mass (GeV/c^{2})", 2, binsmass, xminmass, xmaxmass);
1184 fSparseMassULS->GetAxis(0)->SetTitle("pt (Gev/c)");
1185 fSparseMassULS->GetAxis(1)->SetTitle("mass");
1186 fOutputList->Add(fSparseMassULS);
1187
1188 fSparseMassLS = new THnSparseF("fSparseMassLS", "pt:mass (GeV/c^{2})", 2, binsmass, xminmass, xmaxmass);
1189 fSparseMassLS->GetAxis(0)->SetTitle("pt (Gev/c)");
1190 fSparseMassLS->GetAxis(1)->SetTitle("mass");
1191 fOutputList->Add(fSparseMassLS);
1192
1193
1194
96387d94 1195 PostData(1,fOutputList);
1196 // create and post flowevent
1197 fFlowEvent = new AliFlowEvent(10000);
1198 PostData(2, fFlowEvent);
9d63a2f6 1199
1200 if(fSideBandsFlow){
96387d94 1201 fFlowEventCont = new AliFlowEvent(10000);
1202 PostData(3, fFlowEventCont);
9d63a2f6 1203 }
96387d94 1204}
914042c2 1205
1206//________________________________________________________________________
a70c9e97 1207void AliAnalysisTaskFlowTPCEMCalQCSP::Terminate(Option_t *)
914042c2 1208{
96387d94 1209 // Info("Terminate");
1210 AliAnalysisTaskSE::Terminate();
914042c2 1211}
1212//_____________________________________________________________________________
a70c9e97 1213template <typename T> void AliAnalysisTaskFlowTPCEMCalQCSP::PlotVZeroMultiplcities(const T* event) const
914042c2 1214{
96387d94 1215 // QA multiplicity plots
1216 fVZEROA->Fill(event->GetVZEROData()->GetMTotV0A());
1217 fVZEROC->Fill(event->GetVZEROData()->GetMTotV0C());
914042c2 1218}
1219//_____________________________________________________________________________
a70c9e97 1220template <typename T> void AliAnalysisTaskFlowTPCEMCalQCSP::SetNullCuts(T* event)
914042c2 1221{
96387d94 1222 //Set null cuts
914042c2 1223 if (fDebug) cout << " fCutsRP " << fCutsRP << endl;
1224 fCutsRP->SetEvent(event, MCEvent());
1225 fNullCuts->SetParamType(AliFlowTrackCuts::kGlobal);
1226 fNullCuts->SetPtRange(+1, -1); // select nothing QUICK
1227 fNullCuts->SetEtaRange(+1, -1); // select nothing VZERO
1228 fNullCuts->SetEvent(event, MCEvent());
1229}
1230//_____________________________________________________________________________
96387d94 1231void AliAnalysisTaskFlowTPCEMCalQCSP::PrepareFlowEvent(Int_t iMulti, AliFlowEvent *FlowEv) const
914042c2 1232{
96387d94 1233 //Prepare flow events
1234 FlowEv->ClearFast();
1235 FlowEv->Fill(fCutsRP, fNullCuts);
1236 FlowEv->SetReferenceMultiplicity(iMulti);
1237 FlowEv->DefineDeadZone(0, 0, 0, 0);
1238 // FlowEv->TagSubeventsInEta(-0.7, 0, 0, 0.7);
914042c2 1239}
1240//_____________________________________________________________________________
a70c9e97 1241Bool_t AliAnalysisTaskFlowTPCEMCalQCSP::ProcessCutStep(Int_t cutStep, AliVParticle *track)
914042c2 1242{
96387d94 1243 // Check single track cuts for a given cut step
1244 const Int_t kMCOffset = AliHFEcuts::kNcutStepsMCTrack;
1245 if(!fCFM->CheckParticleCuts(cutStep + kMCOffset, track)) return kFALSE;
1246 return kTRUE;
914042c2 1247}
1248//_________________________________________
a70c9e97 1249void AliAnalysisTaskFlowTPCEMCalQCSP::CheckCentrality(AliAODEvent* event, Bool_t &centralitypass)
914042c2 1250{
9f508565 1251 //============================Multiplicity TPV vs Global===============================================================================
9d63a2f6 1252 const Int_t nGoodTracks = event->GetNumberOfTracks();
9d63a2f6 1253 Float_t multTPC(0.); // tpc mult estimate
1254 Float_t multGlob(0.); // global multiplicity
1255 for(Int_t iTracks = 0; iTracks < nGoodTracks; iTracks++) { // fill tpc mult
1256 AliAODTrack* trackAOD = event->GetTrack(iTracks);
1257 if (!trackAOD) continue;
1258 if (!(trackAOD->TestFilterBit(1))) continue;
1259 if ((trackAOD->Pt() < .2) || (trackAOD->Pt() > 5.0) || (TMath::Abs(trackAOD->Eta()) > .8) || (trackAOD->GetTPCNcls() < 70) || (trackAOD->GetDetPid()->GetTPCsignal() < 10.0) || (trackAOD->Chi2perNDF() < 0.2)) continue;
1260 multTPC++;
1261 }
1262 for(Int_t iTracks = 0; iTracks < nGoodTracks; iTracks++) { // fill global mult
1263 AliAODTrack* trackAOD = event->GetTrack(iTracks);
1264 if (!trackAOD) continue;
1265 if (!(trackAOD->TestFilterBit(16))) continue;
1266 if ((trackAOD->Pt() < .2) || (trackAOD->Pt() > 5.0) || (TMath::Abs(trackAOD->Eta()) > .8) || (trackAOD->GetTPCNcls() < 70) || (trackAOD->GetDetPid()->GetTPCsignal() < 10.0) || (trackAOD->Chi2perNDF() < 0.1)) continue;
1267 Double_t b[2] = {-99., -99.};
1268 Double_t bCov[3] = {-99., -99., -99.};
1269 if (!(trackAOD->PropagateToDCA(event->GetPrimaryVertex(), event->GetMagneticField(), 100., b, bCov))) continue;
1270 if ((TMath::Abs(b[0]) > 0.3) || (TMath::Abs(b[1]) > 0.3)) continue;
1271 multGlob++;
9f508565 1272 } //track loop
1273 fMultCorBeforeCuts->Fill(multGlob, multTPC);//before all cuts...even before centrality selectrion
1274 //============================================================================================================================
ff36a82c 1275 // Check if event is within the set centrality range. Falls back to V0 centrality determination if no method is set
1276 if (!fkCentralityMethod) AliFatal("No centrality method set! FATAL ERROR!");
1277 fCentrality = event->GetCentrality()->GetCentralityPercentile(fkCentralityMethod);
9f508565 1278 // cout << "--------------Centrality evaluated-------------------------"<<endl;
ff36a82c 1279 if ((fCentrality <= fCentralityMin) || (fCentrality > fCentralityMax))
1280 {
1281 fCentralityNoPass->Fill(fCentrality);
1282 // cout << "--------------Fill no pass-----"<< fCentrality <<"--------------------"<<endl;
1283 centralitypass = kFALSE;
1284 }else
1285 {
1286 // cout << "--------------Fill pass----"<< fCentrality <<"---------------------"<<endl;
1287 centralitypass = kTRUE;
1288 }
1289 if (centralitypass){
9f508565 1290 fMultCorAfterCentrBeforeCuts->Fill(multGlob, multTPC);
1291 fCentralityBeforePileup->Fill(fCentrality);
1292 }//...after centrality selectrion
1293 //============================================================================================================================
1294 //to remove the bias introduced by multeplicity outliers---------------------
ff36a82c 1295 Float_t centTrk = event->GetCentrality()->GetCentralityPercentile("TRK");
1296 Float_t centv0 = event->GetCentrality()->GetCentralityPercentile("V0M");
1297 if (TMath::Abs(centv0 - centTrk) > 5.0){
1298 centralitypass = kFALSE;
1299 fCentralityNoPass->Fill(fCentrality);
1300 }
1301 if (centralitypass){
9f508565 1302 fMultCorAfterVZTRKComp->Fill(multGlob, multTPC);
1303 fCentralityAfterVZTRK->Fill(fCentrality);
ff36a82c 1304 }//...after centrality selectrion
9f508565 1305 //============================================================================================================================
1306 if(fMultCut){
47633986 1307 if(fTrigger==1 || fTrigger==4 || fTrigger==5){
9f508565 1308 if(! (multTPC > (-36.73 + 1.48*multGlob) && multTPC < (62.87 + 1.78*multGlob))){
1309 // cout <<" Trigger ==" <<fTrigger<< endl;
1310 centralitypass = kFALSE;
1311 fCentralityNoPass->Fill(fCentrality);
1312 }//2011 Semicentral
1313 }
1314 if(fTrigger==0){
1315 if(! (multTPC > (77.9 + 1.395*multGlob) && multTPC < (187.3 + 1.665*multGlob))){
1316 // cout <<" Trigger ==" <<fTrigger<< endl;
1317 centralitypass = kFALSE;
1318 fCentralityNoPass->Fill(fCentrality);
1319 }//2011
1320 }//2011 Central
1321 }
acd6f996 1322 if (centralitypass){
1323 fMultCorAfterCorrCut->Fill(multGlob, multTPC);
1324 fCentralityAfterCorrCut->Fill(fCentrality);
1325 }//...after CORR CUT
9f508565 1326 //=================================All cuts are passed==================++++==================================================
1327 //=================================Now Centrality flattening for central trigger==================++++==================================================
41919e27 1328 if(fTrigger==0 || fTrigger==4){
9f508565 1329 if(!IsEventSelectedForCentrFlattening(fCentrality)){
edaa818d 1330 centralitypass = kFALSE;
9f508565 1331 fCentralityNoPassForFlattening->Fill(fCentrality);
1332 }
1333 }
1334 //==============================fill histo after all cuts==============================++++==================================================
9d63a2f6 1335 if(centralitypass){
96387d94 1336 fCentralityPass->Fill(fCentrality);
1337 fMultCorAfterCuts->Fill(multGlob, multTPC);
1338 fMultvsCentr->Fill(fCentrality, multTPC);
a70c9e97 1339 }
914042c2 1340}
1341//_____________________________________________________________________________
a70c9e97 1342void AliAnalysisTaskFlowTPCEMCalQCSP::SetCentralityParameters(Double_t CentralityMin, Double_t CentralityMax, const char* CentralityMethod)
914042c2 1343{
96387d94 1344 // Set a centrality range ]min, max] and define the method to use for centrality selection
1345 fCentralityMin = CentralityMin;
1346 fCentralityMax = CentralityMax;
1347 fkCentralityMethod = CentralityMethod;
914042c2 1348}
1349//_____________________________________________________________________________
a70c9e97 1350void AliAnalysisTaskFlowTPCEMCalQCSP::SetIDCuts(Double_t minTPC, Double_t maxTPC, Double_t minEovP, Double_t maxEovP, Double_t minM20, Double_t maxM20, Double_t minM02, Double_t maxM02, Double_t Dispersion)
914042c2 1351{
1352 //Set ID cuts
1353 fminTPC = minTPC;
1354 fmaxTPC = maxTPC;
1355 fminEovP = minEovP;
1356 fmaxEovP = maxEovP;
1357 fminM20 = minM20;
1358 fmaxM20 = maxM20;
1359 fminM02 = minM02;
1360 fmaxM02 = maxM02;
1361 fDispersion = Dispersion;
1362}
1363//_____________________________________________________________________________
9f508565 1364//_____________________________________________________________________________
1365void AliAnalysisTaskFlowTPCEMCalQCSP::SetHistoForCentralityFlattening(TH1F *h,Double_t minCentr,Double_t maxCentr,Double_t centrRef,Int_t switchTRand){
1366 // set the histo for centrality flattening
1367 // the centrality is flatten in the range minCentr,maxCentr
1368 // if centrRef is zero, the minimum in h within (minCentr,maxCentr) defines the reference
1369 // positive, the value of h(centrRef) defines the reference (-> the centrality distribution might be not flat in the whole desired range)
1370 // negative, h(bin with max in range)*centrRef is used to define the reference (-> defines the maximum loss of events, also in this case the distribution might be not flat)
1371 // switchTRand is used to set the unerflow bin of the histo: if it is < -1 in the analysis the random event selection will be done on using TRandom
1372
1373 if(maxCentr<minCentr){
1374 AliWarning("AliAnalysisCheckCorrdist::Wrong centralities values while setting the histogram for centrality flattening");
1375 }
1376
1377 if(fHistCentrDistr)delete fHistCentrDistr;
1378 fHistCentrDistr=(TH1F*)h->Clone("hCentralityFlat");
1379 fHistCentrDistr->SetTitle("Reference histo for centrality flattening");
1380 Int_t minbin=fHistCentrDistr->FindBin(minCentr*1.00001); // fast if fix bin width
1381 Int_t maxbin=fHistCentrDistr->FindBin(maxCentr*0.9999);
1382 fHistCentrDistr->GetXaxis()->SetRange(minbin,maxbin);
1383 Double_t ref=0.,bincont=0.,binrefwidth=1.;
1384 Int_t binref=0;
1385 if(TMath::Abs(centrRef)<0.0001){
1386 binref=fHistCentrDistr->GetMinimumBin();
1387 binrefwidth=fHistCentrDistr->GetBinWidth(binref);
1388 ref=fHistCentrDistr->GetBinContent(binref)/binrefwidth;
1389 }
1390 else if(centrRef>0.){
1391 binref=h->FindBin(centrRef);
1392 if(binref<1||binref>h->GetNbinsX()){
1393 AliWarning("AliRDHFCuts::Wrong centrality reference value while setting the histogram for centrality flattening");
1394 }
1395 binrefwidth=fHistCentrDistr->GetBinWidth(binref);
1396 ref=fHistCentrDistr->GetBinContent(binref)/binrefwidth;
1397 }
1398 else{
1399 if(centrRef<-1) AliWarning("AliRDHFCuts: with this centrality reference no flattening will be applied");
1400 binref=fHistCentrDistr->GetMaximumBin();
1401 binrefwidth=fHistCentrDistr->GetBinWidth(binref);
1402 ref=fHistCentrDistr->GetMaximum()*TMath::Abs(centrRef)/binrefwidth;
1403 }
1404
1405 for(Int_t j=1;j<=h->GetNbinsX();j++){// Now set the "probabilities"
1406 if(h->GetBinLowEdge(j)*1.0001>=minCentr&&h->GetBinLowEdge(j+1)*0.9999<=maxCentr){
1407 bincont=h->GetBinContent(j);
1408 fHistCentrDistr->SetBinContent(j,ref/bincont*h->GetBinWidth(j));
1409 fHistCentrDistr->SetBinError(j,h->GetBinError(j)*ref/bincont);
1410 }
1411 else{
1412 h->SetBinContent(j,1.1);// prob > 1 to assure that events will not be rejected
1413 }
1414 }
1415
1416 fHistCentrDistr->SetBinContent(0,switchTRand);
1417 return;
1418
1419}
1420
1421//-------------------------------------------------
1422Bool_t AliAnalysisTaskFlowTPCEMCalQCSP::IsEventSelectedForCentrFlattening(Float_t centvalue){
1423 //
1424 // Random event selection, based on fHistCentrDistr, to flatten the centrality distribution
1425 // Can be faster if it was required that fHistCentrDistr covers
1426 // exactly the desired centrality range (e.g. part of the lines below should be done during the
1427 // setting of the histo) and TH1::SetMinimum called
1428 //
1429
1430 if(!fHistCentrDistr) return kTRUE;
1431 // Int_t maxbin=fHistCentrDistr->FindBin(fMaxCentrality*0.9999);
1432 // if(maxbin>fHistCentrDistr->GetNbinsX()){
1433 // AliWarning("AliRDHFCuts: The maximum centrality exceeds the x-axis limit of the histogram for centrality flattening");
1434 // }
1435
1436 Int_t bin=fHistCentrDistr->FindBin(centvalue); // Fast if the histo has a fix bin
1437 Double_t bincont=fHistCentrDistr->GetBinContent(bin);
1438 Double_t centDigits=centvalue-(Int_t)(centvalue*100.)/100.;// this is to extract a random number between 0 and 0.01
1439
1440 if(fHistCentrDistr->GetBinContent(0)<-0.9999){
1441 if(gRandom->Uniform(1.)<bincont)return kTRUE;
1442 return kFALSE;
1443 }
1444
1445 if(centDigits*100.<bincont)return kTRUE;
1446 return kFALSE;
1447
1448}
1449//---------------------------------------------------------------------------
1450