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[u/mrichter/AliRoot.git] / PWGHF / hfe / AliAnalysisTaskFlowTPCEMCalQCSP.cxx
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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
382 if(fTrigger==0){
96387d94 383 if(!(((AliInputEventHandler*)(AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler()))->IsEventSelected() & AliVEvent::kCentral) ) return;
914042c2 384 }
385 if(fTrigger==1){
96387d94 386 if(!(((AliInputEventHandler*)(AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler()))->IsEventSelected() & (AliVEvent::kSemiCentral))) return;
914042c2 387 }
388 if(fTrigger==2){
96387d94 389 if(!(((AliInputEventHandler*)(AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler()))->IsEventSelected() & AliVEvent::kEMCEGA) ) return;
914042c2 390 }
391 if(fTrigger==3){
96387d94 392 if(!(((AliInputEventHandler*)(AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler()))->IsEventSelected() & AliVEvent::kMB) ) return;
914042c2 393 }
acd6f996 394 if(fTrigger==4){
395 if(!(((AliInputEventHandler*)(AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler()))->IsEventSelected() & (AliVEvent::kCentral | AliVEvent::kSemiCentral))) return;
396 }
397
96387d94 398
399 //---------------CENTRALITY AND EVENT SELECTION-----------------------
400 Int_t fNOtrks = fAOD->GetNumberOfTracks();
9d63a2f6 401 Float_t vtxz = -999;
402 const AliAODVertex* trkVtx = fAOD->GetPrimaryVertex();
403 if (!trkVtx || trkVtx->GetNContributors()<=0)return;
404 TString vtxTtl = trkVtx->GetTitle();
405 if (!vtxTtl.Contains("VertexerTracks"))return;
406 const AliAODVertex* spdVtx = fAOD->GetPrimaryVertexSPD();
407 if (!spdVtx || spdVtx->GetNContributors()<=0)return;
408 if (TMath::Abs(spdVtx->GetZ() - trkVtx->GetZ())>0.5)return;
409 vtxz = trkVtx->GetZ();
410 if(TMath::Abs(vtxz)>10)return;
96387d94 411
412 // Event cut
9d63a2f6 413 if(!fCFM->CheckEventCuts(AliHFEcuts::kEventStepReconstructed, fAOD)) return;
414 if(fNOtrks<2) return;
415
ff36a82c 416 Bool_t pass = kFALSE; //to select centrality and pile up protection
9d63a2f6 417 CheckCentrality(fAOD,pass);
418 if(!pass)return;
ff36a82c 419 fvertex->Fill(vtxz);
a70c9e97 420
96387d94 421 fNoEvents->Fill(0);
422 PlotVZeroMultiplcities(fAOD);
423
424 SetNullCuts(fAOD);
425 PrepareFlowEvent(fAOD->GetNumberOfTracks(),fFlowEvent); //Calculate event plane Qvector and EP resolution for inclusive
426
9d63a2f6 427 if(fSideBandsFlow){
96387d94 428 PrepareFlowEvent(fAOD->GetNumberOfTracks(),fFlowEventCont); //Calculate event plane Qvector and EP resolution for inclusive
9d63a2f6 429 }
430
96387d94 431 AliPIDResponse *pidResponse = fInputHandler->GetPIDResponse();
432 if(!pidResponse)
433 {
434 AliDebug(1, "Using default PID Response");
435 pidResponse = AliHFEtools::GetDefaultPID(kFALSE, fInputEvent->IsA() == AliAODEvent::Class());
914042c2 436 }
914042c2 437
96387d94 438 fPID->SetPIDResponse(pidResponse);
439 fCFM->SetRecEventInfo(fAOD);
440
441 // Look for kink mother
442 Int_t numberofvertices = fAOD->GetNumberOfVertices();
443 Double_t listofmotherkink[numberofvertices];
444 Int_t numberofmotherkink = 0;
445 for(Int_t ivertex=0; ivertex < numberofvertices; ivertex++) {
446 AliAODVertex *aodvertex = fAOD->GetVertex(ivertex);
447 if(!aodvertex) continue;
448 if(aodvertex->GetType()==AliAODVertex::kKink) {
449 AliAODTrack *mother = (AliAODTrack *) aodvertex->GetParent();
450 if(!mother) continue;
451 Int_t idmother = mother->GetID();
452 listofmotherkink[numberofmotherkink] = idmother;
453 //printf("ID %d\n",idmother);
454 numberofmotherkink++;
455 }
456 }
457
9f508565 458
96387d94 459 //=============================================V0EP from Alex======================================================================
9d63a2f6 460 Double_t qxEPa = 0, qyEPa = 0;
461 Double_t qxEPc = 0, qyEPc = 0;
9f508565 462 Double_t qxEP = 0, qyEP = 0;
9d63a2f6 463
464 Double_t evPlAngV0A = fAOD->GetEventplane()->CalculateVZEROEventPlane(fAOD, 8, 2, qxEPa, qyEPa);
465 Double_t evPlAngV0C = fAOD->GetEventplane()->CalculateVZEROEventPlane(fAOD, 9, 2, qxEPc, qyEPc);
9f508565 466 Double_t evPlAngV0 = fAOD->GetEventplane()->CalculateVZEROEventPlane(fAOD, 10, 2, qxEP, qyEP);
9d63a2f6 467
468
469 Double_t Qx2 = 0, Qy2 = 0;
9f508565 470 Double_t Qx2p = 0, Qy2p = 0;
471 Double_t Qx2n = 0, Qy2n = 0;
9d63a2f6 472
473 for (Int_t iT = 0; iT < fAOD->GetNumberOfTracks(); iT++){
474
475 AliAODTrack* aodTrack = fAOD->GetTrack(iT);
476
477 if (!aodTrack)
478 continue;
479
480 if ((TMath::Abs(aodTrack->Eta()) > 0.8) || (aodTrack->Pt() < 0.2) || (aodTrack->GetTPCNcls() < 70) || (aodTrack->Pt() >= 20.0))
481 continue;
482
483 if (!aodTrack->TestFilterBit(128))
484 continue;
485
9f508565 486
487 if(aodTrack->Eta()>0 && aodTrack->Eta()<0.8){
488
489 Qx2p += TMath::Cos(2*aodTrack->Phi());
490 Qy2p += TMath::Sin(2*aodTrack->Phi());
491 }
492 if(aodTrack->Eta()<0 && aodTrack->Eta()> -0.8){
493
494 Qx2n += TMath::Cos(2*aodTrack->Phi());
495 Qy2n += TMath::Sin(2*aodTrack->Phi());
496 }
497
498
9d63a2f6 499 Qx2 += TMath::Cos(2*aodTrack->Phi());
500 Qy2 += TMath::Sin(2*aodTrack->Phi());
9f508565 501
502
503
504
9d63a2f6 505 }
506
507 Double_t evPlAngTPC = TMath::ATan2(Qy2, Qx2)/2.;
9f508565 508 Double_t evPlAngTPCn = TMath::ATan2(Qy2n, Qx2n)/2.;
509 Double_t evPlAngTPCp = TMath::ATan2(Qy2p, Qx2p)/2.;
9d63a2f6 510
511 EPVzA->Fill(evPlAngV0A);
512 EPVzC->Fill(evPlAngV0C);
513 EPTPC->Fill(evPlAngTPC);
514
9f508565 515 EPTPCn->Fill(evPlAngTPCn);
516 EPTPCp->Fill(evPlAngTPCp);
517 EPVz->Fill(evPlAngV0);
518
519
520
521
9d63a2f6 522 fSubEventDPhiv2->Fill(0.5, TMath::Cos(2.*(evPlAngV0A-evPlAngTPC))); // vzeroa - tpc
523 fSubEventDPhiv2->Fill(1.5, TMath::Cos(2.*(evPlAngV0A-evPlAngV0C))); // vzeroa - vzeroc
524 fSubEventDPhiv2->Fill(2.5, TMath::Cos(2.*(evPlAngV0C-evPlAngTPC))); // tpc - vzeroc
9f508565 525
526
527 fSubEventDPhiv2new->Fill(0.5, TMath::Cos(2.*(evPlAngV0-evPlAngTPCp))); // vzero - tpcp
528 fSubEventDPhiv2new->Fill(1.5, TMath::Cos(2.*(evPlAngV0-evPlAngTPCn))); // vzero - tpcn
529 fSubEventDPhiv2new->Fill(2.5, TMath::Cos(2.*(evPlAngTPCp-evPlAngTPCn))); // tpcp - tpcn
530
531
532
533
96387d94 534 //====================================================================================================================
9d63a2f6 535
536
96387d94 537 AliAODTrack *track = NULL;
538
539 // Track loop
540 for (Int_t iTracks = 0; iTracks < fAOD->GetNumberOfTracks(); iTracks++)
541 {
542 track = fAOD->GetTrack(iTracks);
543 if (!track)
914042c2 544 {
96387d94 545 printf("ERROR: Could not receive track %d\n", iTracks);
546 continue;
914042c2 547 }
96387d94 548
549 if(!track->TestFilterMask(AliAODTrack::kTrkGlobalNoDCA)) continue; // TESTBIT FOR AOD double Counting
550 //----------hfe begin---------
551 if(track->Eta()<-0.7 || track->Eta()>0.7) continue; //eta cuts on candidates
552
553 // RecKine: ITSTPC cuts
554 if(!ProcessCutStep(AliHFEcuts::kStepRecKineITSTPC, track)) continue;
555
556 // Reject kink mother
557 Bool_t kinkmotherpass = kTRUE;
558 for(Int_t kinkmother = 0; kinkmother < numberofmotherkink; kinkmother++) {
559 if(track->GetID() == listofmotherkink[kinkmother]) {
560 kinkmotherpass = kFALSE;
561 continue;
562 }
563 }
564 if(!kinkmotherpass) continue;
565
566 // RecPrim
567 // if(!ProcessCutStep(AliHFEcuts::kStepRecPrim, track)) continue; //deleted for DCA absence
568 // HFEcuts: ITS layers cuts
569 if(!ProcessCutStep(AliHFEcuts::kStepHFEcutsITS, track)) continue;
570 // HFE cuts: TPC PID cleanup
571 if(!ProcessCutStep(AliHFEcuts::kStepHFEcutsTPC, track)) continue;
572
573 Double_t fClsE = -999, p = -999, fEovP=-999, pt = -999, fTPCnSigma=0;
574 // Track extrapolation
575 Int_t fClsId = track->GetEMCALcluster();
576 if(fClsId < 0) continue;
577 AliAODCaloCluster *cluster = fAOD->GetCaloCluster(fClsId);
578 if(TMath::Abs(cluster->GetTrackDx()) > 0.05 || TMath::Abs(cluster->GetTrackDz()) > 0.05) continue;
579
580 pt = track->Pt(); //pt track after cuts
581 if(pt<fpTCut) continue;
582 fClsE = cluster->E();
583 p = track->P();
584 // dEdx = track->GetTPCsignal();
585 fEovP = fClsE/p;
586 fTPCnSigma = fPID->GetPIDResponse() ? fPID->GetPIDResponse()->NumberOfSigmasTPC(track, AliPID::kElectron) : 1000;
587 Double_t m20 =cluster->GetM20();
588 Double_t m02 =cluster->GetM02();
589 Double_t disp=cluster->GetDispersion();
590 if(fTPCnSigma >= -1 && fTPCnSigma <= 3)fTrkEovPBef->Fill(pt,fEovP);
591 fTPCnsigma->Fill(p,fTPCnSigma);
592 // fdEdxBef->Fill(p,dEdx);
593 Double_t eta = track->Eta();
594 Double_t phi = track->Phi();
595 //-----------------------Phiminupsi method to remove the contamination-----------------------------------------------
596 //-----------------------fTPCnSigma < -3.5 hadrons will be selected from this region--------------------------
597 Float_t dPhi_aeh = TVector2::Phi_0_2pi(phi - evPlAngV0A);
598 if(dPhi_aeh > TMath::Pi()) dPhi_aeh = dPhi_aeh - TMath::Pi();
599 Float_t dPhi_ceh = TVector2::Phi_0_2pi(phi - evPlAngV0C);
600 if(dPhi_ceh > TMath::Pi()) dPhi_ceh = dPhi_ceh - TMath::Pi();
601
602 if(fPhiminusPsi){
603 Double_t valueElh[8] = {
604 pt,
605 fEovP,
606 fTPCnSigma,
607 m20,
608 m02,
609 disp,
610 dPhi_aeh,
611 dPhi_ceh};
612 fSparseElectronHadron->Fill(valueElh);
613 }
614 //----------------------------------------------------------------------------------------------------------
615 //---------------------------From here usual electron selection---------------------------------------------
616 //----------------------------------------------------------------------------------------------------------
617 if(m20 < fminM20 || m20 > fmaxM20) continue;
618 if(m02 < fminM02 || m02 > fmaxM02) continue;
619 if(disp > fDispersion ) continue;
620 //---------------------------------for purity---------------------------------------------------------------
621 if(fpurity){
622 Double_t valuepurity[3] = {
623 pt,
624 fEovP,
625 fTPCnSigma};
9f508565 626 fSparseElectronpurity->Fill(valuepurity);
96387d94 627 }
628 //----------------------------------------------------------------------------------------------------------
629 //----------------------------------------------------------------------------------------------------------
630 if(fTPCnSigma < fminTPC || fTPCnSigma > fmaxTPC) continue; //cuts on nsigma tpc and EoP
631 //===============================Flow Event for Contamination=============================================
632 if(fSideBandsFlow){
633 if(fEovP>0 && fEovP<0.6){
634 AliFlowTrack *sTrackCont = new AliFlowTrack();
635 sTrackCont->Set(track);
636 sTrackCont->SetID(track->GetID());
03b64410 637 sTrackCont->SetForRPSelection(kTRUE);
96387d94 638 sTrackCont->SetForPOISelection(kTRUE);
639 sTrackCont->SetMass(2637);
640 for(int iRPs=0; iRPs!=fFlowEventCont->NumberOfTracks(); ++iRPs)
641 {
642 // cout << " no of rps " << iRPs << endl;
643 AliFlowTrack *iRPCont = dynamic_cast<AliFlowTrack*>(fFlowEventCont->GetTrack( iRPs ));
644 if (!iRPCont) continue;
645 if (!iRPCont->InRPSelection()) continue;
646 if( sTrackCont->GetID() == iRPCont->GetID())
647 {
648 if(fDebug) printf(" was in RP set");
649 // cout << sTrack->GetID() <<" == " << iRP->GetID() << " was in RP set" <<endl;
650 iRPCont->SetForRPSelection(kFALSE);
03b64410 651 // fFlowEventCont->SetNumberOfRPs(fFlowEventCont->GetNumberOfRPs() - 1);
96387d94 652 }
653 } //end of for loop on RPs
654 fFlowEventCont->InsertTrack(((AliFlowTrack*) sTrackCont));
03b64410 655 fFlowEventCont->SetNumberOfPOIs(fFlowEventCont->GetNumberOfPOIs()+1);
656
96387d94 657 }
658 }
659 //==========================================================================================================
660 //===============================From here eovP cut is used fro QC, SP and EPV0=============================
661 if(fEovP < fminEovP || fEovP >fmaxEovP) continue;
662 //==========================================================================================================
663 //============================Event Plane Method with V0====================================================
664 Double_t v2PhiV0A = TMath::Cos(2*(phi - evPlAngV0A));
665 Double_t v2PhiV0C = TMath::Cos(2*(phi - evPlAngV0C));
666 Double_t v2Phi[3] = {
667 v2PhiV0A,
668 v2PhiV0C,
669 pt};
670 fV2Phi->Fill(v2Phi);
9f508565 671
672 Double_t v2PhiVz = TMath::Cos(2*(phi - evPlAngV0));
673 Double_t v2PhiV0tot[2] = {
674 v2PhiVz,
675 pt};
676 fV2Phivzerotot->Fill(v2PhiV0tot);
96387d94 677 //=========================================================================================================
678 fTPCnsigmaAft->Fill(p,fTPCnSigma);
679 fInclusiveElecPt->Fill(pt);
680 fPhi->Fill(phi);
681 fEta->Fill(eta);
682 //----------------------Flow of Inclusive Electrons--------------------------------------------------------
683 AliFlowTrack *sTrack = new AliFlowTrack();
684 sTrack->Set(track);
685 sTrack->SetID(track->GetID());
03b64410 686 sTrack->SetForRPSelection(kTRUE);
96387d94 687 sTrack->SetForPOISelection(kTRUE);
688 sTrack->SetMass(263732);
689 for(int iRPs=0; iRPs!=fFlowEvent->NumberOfTracks(); ++iRPs)
690 {
691 // cout << " no of rps " << iRPs << endl;
692 AliFlowTrack *iRP = dynamic_cast<AliFlowTrack*>(fFlowEvent->GetTrack( iRPs ));
693 if (!iRP) continue;
694 if (!iRP->InRPSelection()) continue;
695 if( sTrack->GetID() == iRP->GetID())
696 {
697 if(fDebug) printf(" was in RP set");
698 // cout << sTrack->GetID() <<" == " << iRP->GetID() << " was in RP set" <<endl;
699 iRP->SetForRPSelection(kFALSE);
03b64410 700 // fFlowEvent->SetNumberOfRPs(fFlowEvent->GetNumberOfRPs() - 1);
96387d94 701 }
702 } //end of for loop on RPs
703 fFlowEvent->InsertTrack(((AliFlowTrack*) sTrack));
03b64410 704 fFlowEvent->SetNumberOfPOIs(fFlowEvent->GetNumberOfPOIs()+1);
96387d94 705
706
707 if(fDCA){
708 //----------------------Selection of Photonic Electrons DCA-----------------------------
709 fNonHFE = new AliSelectNonHFE();
710 fNonHFE->SetAODanalysis(kTRUE);
711 fNonHFE->SetInvariantMassCut(fInvmassCut);
712 if(fOP_angle) fNonHFE->SetOpeningAngleCut(fOpeningAngleCut);
713 //fNonHFE->SetChi2OverNDFCut(fChi2Cut);
714 //if(fDCAcutFlag) fNonHFE->SetDCACut(fDCAcut);
715 fNonHFE->SetAlgorithm("DCA"); //KF
716 fNonHFE->SetPIDresponse(pidResponse);
717 fNonHFE->SetTrackCuts(-3,3);
718
719 fNonHFE->SetHistAngleBack(fOpeningAngleLS);
720 fNonHFE->SetHistAngle(fOpeningAngleULS);
721 //fNonHFE->SetHistDCABack(fDCABack);
722 //fNonHFE->SetHistDCA(fDCA);
723 fNonHFE->SetHistMassBack(fInvmassLS1);
724 fNonHFE->SetHistMass(fInvmassULS1);
725
726 fNonHFE->FindNonHFE(iTracks,track,fAOD);
727
728 // Int_t *fUlsPartner = fNonHFE->GetPartnersULS();
729 // Int_t *fLsPartner = fNonHFE->GetPartnersLS();
730 // Bool_t fUlsIsPartner = kFALSE;
731 // Bool_t fLsIsPartner = kFALSE;
732 if(fNonHFE->IsULS()){
733 for(Int_t kULS =0; kULS < fNonHFE->GetNULS(); kULS++){
734 fULSElecPt->Fill(track->Pt());
735 }
736 }
737
738 if(fNonHFE->IsLS()){
739 for(Int_t kLS =0; kLS < fNonHFE->GetNLS(); kLS++){
740 fLSElecPt->Fill(track->Pt());
741 }
742 }
743 }
744
745 if(!fDCA){
746 //----------------------Selection of Photonic Electrons KFParticle-----------------------------
747 Bool_t fFlagPhotonicElec = kFALSE;
7fcd6b0f 748 SelectPhotonicElectron(iTracks,track,fEovP, evPlAngV0, fFlagPhotonicElec);
96387d94 749 if(fFlagPhotonicElec){fPhotoElecPt->Fill(pt);}
750 // Semi inclusive electron
751 if(!fFlagPhotonicElec){fSemiInclElecPt->Fill(pt);}
752 }
753
754
755
756 }//end loop on track
757
758 PostData(1, fOutputList);
759 PostData(2, fFlowEvent);
9d63a2f6 760 if(fSideBandsFlow){
96387d94 761 PostData(3, fFlowEventCont);
9d63a2f6 762 }
96387d94 763
764 //----------hfe end---------
914042c2 765}
766//_________________________________________
7fcd6b0f 767void AliAnalysisTaskFlowTPCEMCalQCSP::SelectPhotonicElectron(Int_t itrack,const AliAODTrack *track,Double_t fEovP,Double_t evPlAngV0, Bool_t &fFlagPhotonicElec)
914042c2 768{
96387d94 769 //Identify non-heavy flavour electrons using Invariant mass method KF
770
771 Bool_t flagPhotonicElec = kFALSE;
772
773 for(Int_t jTracks = 0; jTracks<fAOD->GetNumberOfTracks(); jTracks++){
774 AliAODTrack *trackAsso = fAOD->GetTrack(jTracks);
775 if (!trackAsso) {
776 printf("ERROR: Could not receive track %d\n", jTracks);
777 continue;
778 }
779 // if(!track->TestFilterMask(AliAODTrack::kTrkGlobalNoDCA)) continue; // TESTBIT FOR AOD double Counting
780 if(!trackAsso->TestFilterMask(AliAODTrack::kTrkTPCOnly)) continue;
781 // if((!(trackAsso->GetStatus()&AliESDtrack::kITSrefit) || (!(trackAsso->GetStatus()&AliESDtrack::kTPCrefit)))) continue;
782
783 if(fAssoITSRefit){
784 if(!(trackAsso->GetStatus()&AliESDtrack::kITSrefit)) continue;
785 }
786
787 if(!(trackAsso->GetStatus()&AliESDtrack::kTPCrefit)) continue;
788
789 if(jTracks == itrack) continue;
790 Double_t ptAsso=-999., nsigma=-999.0;
791 Double_t mass=-999., width = -999;
792 Bool_t fFlagLS=kFALSE, fFlagULS=kFALSE;
793 Double_t openingAngle = -999.;
9f508565 794 Double_t ptcutonmasshighpt = track->Pt();
acd6f996 795
96387d94 796 ptAsso = trackAsso->Pt();
797 Short_t chargeAsso = trackAsso->Charge();
798 Short_t charge = track->Charge();
acd6f996 799
96387d94 800 nsigma = fPID->GetPIDResponse() ? fPID->GetPIDResponse()->NumberOfSigmasTPC(trackAsso, AliPID::kElectron) : 1000;
801
802 //80
803 if(trackAsso->GetTPCNcls() < fAssoTPCCluster) continue;
804 if(nsigma < -3 || nsigma > 3) continue;
805 if(trackAsso->Eta()<-0.9 || trackAsso->Eta()>0.9) continue;
806 if(ptAsso <0.3) continue;
807
808 Int_t fPDGe1 = 11; Int_t fPDGe2 = 11;
809 if(charge>0) fPDGe1 = -11;
810 if(chargeAsso>0) fPDGe2 = -11;
811
812 if(charge == chargeAsso) fFlagLS = kTRUE;
813 if(charge != chargeAsso) fFlagULS = kTRUE;
814
815 AliKFParticle::SetField(fAOD->GetMagneticField());
816 AliKFParticle ge1 = AliKFParticle(*track, fPDGe1);
817 AliKFParticle ge2 = AliKFParticle(*trackAsso, fPDGe2);
818 AliKFParticle recg(ge1, ge2);
819
820 if(recg.GetNDF()<1) continue;
821 Double_t chi2recg = recg.GetChi2()/recg.GetNDF();
822 if(TMath::Sqrt(TMath::Abs(chi2recg))>3.) continue;
823 recg.GetMass(mass,width);
824
825 openingAngle = ge1.GetAngle(ge2);
826 if(fFlagLS) fOpeningAngleLS->Fill(openingAngle);
827 if(fFlagULS) fOpeningAngleULS->Fill(openingAngle);
828 if(fOP_angle)if(openingAngle > fOpeningAngleCut) continue;
829
830
831 if(fFlagLS) fInvmassLS1->Fill(mass);
832 if(fFlagULS) fInvmassULS1->Fill(mass);
833
7fcd6b0f 834 if(fFlagULS){
835 Double_t MassSparseULS[3] = {
836 track->Pt(),
837 mass
838 };
839 fSparseMassULS->Fill(MassSparseULS);
840 }
841 if(fFlagLS){
842 Double_t MassSparseLS[3] = {
843 track->Pt(),
844 mass
845 };
846 fSparseMassLS->Fill(MassSparseLS);
847 }
848
849
9f508565 850 if(ptcutonmasshighpt >= 8.){
acd6f996 851 if(fFlagLS) fInvmassLS1highpt->Fill(mass);
852 if(fFlagULS) fInvmassULS1highpt->Fill(mass);
9f508565 853 }
854
855
96387d94 856 if(mass<fInvmassCut){
857 if(fFlagULS){fULSElecPt->Fill(track->Pt());}
858 if(fFlagLS){fLSElecPt->Fill(track->Pt());}
859 }
860
7fcd6b0f 861
862
863 Double_t phi = track->Phi();
864 Float_t DeltaPhi_eEP = TVector2::Phi_0_2pi(phi - evPlAngV0);
865 if(DeltaPhi_eEP > TMath::Pi()) {DeltaPhi_eEP = DeltaPhi_eEP - TMath::Pi();}
866
867
868 if(mass<fInvmassCut){
869 if(fFlagULS){
870 Double_t ulsSparse[3] = {
871 track->Pt(),
872 fEovP,
873 DeltaPhi_eEP
874 };
875 fSparsephipsiULS->Fill(ulsSparse);
876 }
877 if(fFlagLS){
878 Double_t lsSparse[3] = {
879 track->Pt(),
880 fEovP,
881 DeltaPhi_eEP
882 };
883 fSparsephipsiLS->Fill(lsSparse);
884 }
885 }
886
887
888
96387d94 889 if(mass<fInvmassCut && fFlagULS && !flagPhotonicElec){
890 flagPhotonicElec = kTRUE;
891 }
892 }//track loop
893 fFlagPhotonicElec = flagPhotonicElec;
914042c2 894}
8e8d9d2a 895//__________________________________________________________________________________
a70c9e97 896void AliAnalysisTaskFlowTPCEMCalQCSP::UserCreateOutputObjects()
914042c2 897{
96387d94 898 //Create histograms
899
900 //----------hfe initialising begin---------
901 fNullCuts = new AliFlowTrackCuts("null_cuts");
902
903 AliFlowCommonConstants* cc = AliFlowCommonConstants::GetMaster();
904 cc->SetNbinsMult(10000);
905 cc->SetMultMin(0);
906 cc->SetMultMax(10000);
907
908 cc->SetNbinsPt(100);
909 cc->SetPtMin(0);
910 cc->SetPtMax(50);
911
912 cc->SetNbinsPhi(180);
913 cc->SetPhiMin(0.0);
914 cc->SetPhiMax(TMath::TwoPi());
915
916 cc->SetNbinsEta(30);
917 cc->SetEtaMin(-7.0);
918 cc->SetEtaMax(+7.0);
919
920 cc->SetNbinsQ(500);
921 cc->SetQMin(0.0);
922 cc->SetQMax(3.0);
923
924 //--------Initialize PID
925 fPID->SetHasMCData(kFALSE);
926 if(!fPID->GetNumberOfPIDdetectors())
927 {
928 fPID->AddDetector("TPC", 0);
929 fPID->AddDetector("EMCAL", 1);
930 }
931
932 fPID->SortDetectors();
933 fPIDqa = new AliHFEpidQAmanager();
934 fPIDqa->Initialize(fPID);
935
936 //--------Initialize correction Framework and Cuts
937 fCFM = new AliCFManager;
938 const Int_t kNcutSteps = AliHFEcuts::kNcutStepsMCTrack + AliHFEcuts::kNcutStepsRecTrack + AliHFEcuts::kNcutStepsDETrack;
939 fCFM->SetNStepParticle(kNcutSteps);
940 for(Int_t istep = 0; istep < kNcutSteps; istep++)
941 fCFM->SetParticleCutsList(istep, NULL);
942
943 if(!fCuts){
944 AliWarning("Cuts not available. Default cuts will be used");
945 fCuts = new AliHFEcuts;
946 fCuts->CreateStandardCuts();
947 }
948
949 fCuts->SetAOD();
950 fCuts->Initialize(fCFM);
951 //----------hfe initialising end--------
952 //---------Output Tlist
953 fOutputList = new TList();
954 fOutputList->SetOwner();
955 fOutputList->Add(fPIDqa->MakeList("PIDQA"));
956
957 fNoEvents = new TH1F("fNoEvents","",1,0,1) ;
958 fOutputList->Add(fNoEvents);
959
960 fTPCnsigma = new TH2F("fTPCnsigma", "TPC - n sigma before HFE pid",1000,0,50,200,-10,10);
961 fOutputList->Add(fTPCnsigma);
962
963 fTPCnsigmaAft = new TH2F("fTPCnsigmaAft", "TPC - n sigma after HFE pid",1000,0,50,200,-10,10);
964 fOutputList->Add(fTPCnsigmaAft);
965
966 fTrkEovPBef = new TH2F("fTrkEovPBef","track E/p before HFE pid",1000,0,50,100,0,2);
967 fOutputList->Add(fTrkEovPBef);
968
969 // fdEdxBef = new TH2F("fdEdxBef","track dEdx vs p before HFE pid",1000,0,50,150,0,150);
970 // fOutputList->Add(fdEdxBef);
971
972 fInclusiveElecPt = new TH1F("fInclElecPt", "Inclusive electron pt",1000,0,100);
973 fOutputList->Add(fInclusiveElecPt);
974
975 fPhotoElecPt = new TH1F("fPhotoElecPt", "photonic electron pt",1000,0,100);
976 fOutputList->Add(fPhotoElecPt);
ff36a82c 977
96387d94 978 fSemiInclElecPt = new TH1F("fSemiInclElecPt", "Semi-inclusive electron pt",1000,0,100);
979 fOutputList->Add(fSemiInclElecPt);
980
981 fULSElecPt = new TH1F("fULSElecPt", "ULS electron pt",1000,0,100);
982 fOutputList->Add(fULSElecPt);
983
914042c2 984 fLSElecPt = new TH1F("fLSElecPt", "LS electron pt",1000,0,100);
985 fOutputList->Add(fLSElecPt);
96387d94 986
987 fInvmassLS1 = new TH1F("fInvmassLS1", "Inv mass of LS (e,e); mass(GeV/c^2); counts;", 1000,0,1.0);
988 fOutputList->Add(fInvmassLS1);
989
990 fInvmassULS1 = new TH1F("fInvmassULS1", "Inv mass of ULS (e,e); mass(GeV/c^2); counts;", 1000,0,1.0);
991 fOutputList->Add(fInvmassULS1);
acd6f996 992
9f508565 993 fInvmassLS1highpt = new TH1F("fInvmassLS1highpt", "Inv mass of LS (e,e); mass(GeV/c^2) highpt; counts;", 1000,0,1.0);
994 fOutputList->Add(fInvmassLS1highpt);
995
996 fInvmassULS1highpt = new TH1F("fInvmassULS1highpt", "Inv mass of ULS (e,e); mass(GeV/c^2) highpt; counts;", 1000,0,1.0);
997 fOutputList->Add(fInvmassULS1highpt);
96387d94 998
999 fCentralityPass = new TH1F("fCentralityPass", "Centrality Pass", 101, -1, 100);
1000 fOutputList->Add(fCentralityPass);
1001
1002 fCentralityNoPass = new TH1F("fCentralityNoPass", "Centrality No Pass", 101, -1, 100);
1003 fOutputList->Add(fCentralityNoPass);
1004
9f508565 1005 fCentralityNoPassForFlattening = new TH1F("fCentralityNoPassForFlattening", "Centrality No Pass for flattening", 101, -1, 100);
1006 fOutputList->Add(fCentralityNoPassForFlattening);
1007
ff36a82c 1008 fCentralityBeforePileup = new TH1F("fCentralityBeforePileup", "fCentralityBeforePileup Pass", 101, -1, 100);
1009 fOutputList->Add(fCentralityBeforePileup);
9f508565 1010
ff36a82c 1011 fCentralityAfterVZTRK = new TH1F("fCentralityAfterVZTRK", "fCentralityAfterVZTRK Pass", 101, -1, 100);
1012 fOutputList->Add(fCentralityAfterVZTRK);
acd6f996 1013
1014 fCentralityAfterCorrCut = new TH1F("fCentralityAfterCorrCut", "fCentralityAfterCorrCut Pass", 101, -1, 100);
1015 fOutputList->Add(fCentralityAfterCorrCut);
9f508565 1016
96387d94 1017 fPhi = new TH1F("fPhi", "#phi distribution", 100, -.5, 7);
1018 fOutputList->Add(fPhi);
1019
1020 fEta = new TH1F("fEta", "#eta distribution", 100, -1.1, 1.1);
1021 fOutputList->Add(fEta);
1022
1023 fVZEROA = new TH1F("fVZEROA", "VZERO A Multiplicity", 1000, 0, 10000);
1024 fOutputList->Add(fVZEROA);
1025
1026 fVZEROC = new TH1F("fVZEROC", "VZERO C Multiplicity", 1000, 0, 10000);
1027 fOutputList->Add(fVZEROC);
1028
1029 fTPCM = new TH1F("fTPCM", "TPC multiplicity", 1000, 0, 10000);
1030 fOutputList->Add(fTPCM);
1031
1032 fvertex = new TH1D("fvertex", "vertex distribution", 300, -15,15);
1033 fOutputList->Add(fvertex);
1034
1035 fMultCorBeforeCuts = new TH2F("fMultCorBeforeCuts", "TPC vs Global multiplicity (Before cuts); Global multiplicity; TPC multiplicity", 100, 0, 3000, 100, 0, 3000);
1036 fOutputList->Add(fMultCorBeforeCuts);
1037
1038 fMultCorAfterCuts = new TH2F("fMultCorAfterCuts", "TPC vs Global multiplicity (After cuts); Global multiplicity; TPC multiplicity", 100, 0, 3000, 100, 0, 3000);
1039 fOutputList->Add(fMultCorAfterCuts);
1040
ff36a82c 1041 fMultCorAfterCentrBeforeCuts = new TH2F("fMultCorAfterCentrBeforeCuts", "TPC vs Global multiplicity (After CC before cuts); Global multiplicity; TPC multiplicity", 100, 0, 3000, 100, 0, 3000);
1042 fOutputList->Add(fMultCorAfterCentrBeforeCuts);
1043
1044 fMultCorAfterVZTRKComp = new TH2F("fMultCorAfterVZTRKComp", "TPC vs Global multiplicity (After V0-TRK); Global multiplicity; TPC multiplicity", 100, 0, 3000, 100, 0, 3000);
1045 fOutputList->Add(fMultCorAfterVZTRKComp);
1046
acd6f996 1047 fMultCorAfterCorrCut = new TH2F("fMultCorAfterCorrCut", "TPC vs Global multiplicity (After CorrCut); Global multiplicity; TPC multiplicity", 100, 0, 3000, 100, 0, 3000);
1048 fOutputList->Add(fMultCorAfterCorrCut);
1049
96387d94 1050 fMultvsCentr = new TH2F("fMultvsCentr", "Multiplicity vs centrality; centrality; Multiplicity", 100, 0., 100, 100, 0, 3000);
1051 fOutputList->Add(fMultvsCentr);
9d63a2f6 1052
20791315 1053 fOpeningAngleLS = new TH1F("fOpeningAngleLS","Opening angle for LS pairs",100,0,1);
1054 fOutputList->Add(fOpeningAngleLS);
1055
1056 fOpeningAngleULS = new TH1F("fOpeningAngleULS","Opening angle for ULS pairs",100,0,1);
1057 fOutputList->Add(fOpeningAngleULS);
1058
96387d94 1059
1060 //----------------------------------------------------------------------------
9d63a2f6 1061 EPVzA = new TH1D("EPVzA", "EPVzA", 80, -2, 2);
1062 fOutputList->Add(EPVzA);
1063 EPVzC = new TH1D("EPVzC", "EPVzC", 80, -2, 2);
1064 fOutputList->Add(EPVzC);
1065 EPTPC = new TH1D("EPTPC", "EPTPC", 80, -2, 2);
1066 fOutputList->Add(EPTPC);
9f508565 1067
1068
1069 EPVz = new TH1D("EPVz", "EPVz", 80, -2, 2);
1070 fOutputList->Add(EPVz);
1071 EPTPCp = new TH1D("EPTPCp", "EPTPCp", 80, -2, 2);
1072 fOutputList->Add(EPTPCp);
1073 EPTPCn = new TH1D("EPTPCn", "EPTPCn", 80, -2, 2);
1074 fOutputList->Add(EPTPCn);
1075
96387d94 1076 //----------------------------------------------------------------------------
9d63a2f6 1077 fSubEventDPhiv2 = new TProfile("fSubEventDPhiv2", "fSubEventDPhiv2", 3, 0, 3);
1078 fSubEventDPhiv2->GetXaxis()->SetBinLabel(1, "<cos(2(#Psi_{a} - #Psi_{b}))>");
1079 fSubEventDPhiv2->GetXaxis()->SetBinLabel(2, "<cos(2(#Psi_{a} - #Psi_{c}>))");
1080 fSubEventDPhiv2->GetXaxis()->SetBinLabel(3, "<cos(2(#Psi_{b} - #Psi_{c}>))");
1081 fOutputList->Add(fSubEventDPhiv2);
9f508565 1082
1083
1084
1085 fSubEventDPhiv2new = new TProfile("fSubEventDPhiv2new", "fSubEventDPhiv2new", 3, 0, 3);
1086 fSubEventDPhiv2new->GetXaxis()->SetBinLabel(1, "<cos(2(#Psi_{a} - #Psi_{b}))>");
1087 fSubEventDPhiv2new->GetXaxis()->SetBinLabel(2, "<cos(2(#Psi_{a} - #Psi_{c}>))");
1088 fSubEventDPhiv2new->GetXaxis()->SetBinLabel(3, "<cos(2(#Psi_{b} - #Psi_{c}>))");
1089 fOutputList->Add(fSubEventDPhiv2new);
1090 //================================Event Plane with VZERO A & C=====================
1091 const Int_t nPtBins = 12;
1092 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 1093 // v2A, v2C, pt
1094 Int_t bins[3] = { 50, 50, nPtBins};
1095 Double_t xmin[3] = { -1., -1., 0};
9f508565 1096 Double_t xmax[3] = { 1., 1., 13};
9d63a2f6 1097 fV2Phi = new THnSparseF("fV2Phi", "v2A:v2C:pt", 3, bins, xmin, xmax);
1098 // Set bin limits for axes which are not standard binned
1099 fV2Phi->SetBinEdges(2, binsPt);
1100 // set axes titles
1101 fV2Phi->GetAxis(0)->SetTitle("v_{2} (V0A)");
1102 fV2Phi->GetAxis(1)->SetTitle("v_{2} (V0C)");
1103 fV2Phi->GetAxis(2)->SetTitle("p_{T} (GeV/c)");
1104 fOutputList->Add(fV2Phi);
9f508565 1105
1106
1107
1108 //================================Event Plane with VZERO=====================
1109 // const Int_t nPtBins = 10;
1110 // 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};
1111 // v2, pt
1112 Int_t binsV[2] = { 50, nPtBins};
1113 Double_t xminV[2] = { -1., 0};
1114 Double_t xmaxV[2] = { 1., 13};
1115 fV2Phivzerotot = new THnSparseF("fV2Phivzerotot", "v2:pt", 2, binsV, xminV, xmaxV);
1116 // Set bin limits for axes which are not standard binned
1117 fV2Phivzerotot->SetBinEdges(1, binsPt);
1118 // set axes titles
1119 fV2Phivzerotot->GetAxis(0)->SetTitle("v_{2} (V0)");
1120 fV2Phivzerotot->GetAxis(1)->SetTitle("p_{T} (GeV/c)");
1121 fOutputList->Add(fV2Phivzerotot);
1122
1123
1124
96387d94 1125 //----------------------------------------------------------------------------
acd6f996 1126
9d63a2f6 1127 if(fPhiminusPsi){
96387d94 1128 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)
1129 Double_t xminvElectH[8]={0, 0, -10 , 0, 0, 0, 0, 0};
1130 Double_t xmaxvElectH[8]={20, 2, 10 , 2, 2, 2, TMath::Pi(), TMath::Pi()};
1131 fSparseElectronHadron = new THnSparseD("ElectronHadron","ElectronHadron",8,binsvElectH,xminvElectH,xmaxvElectH);
1132 fSparseElectronHadron->GetAxis(0)->SetTitle("p_{T} (GeV/c)");
1133 fSparseElectronHadron->GetAxis(1)->SetTitle("EovP");
1134 fSparseElectronHadron->GetAxis(2)->SetTitle("TPCnSigma");
1135 fSparseElectronHadron->GetAxis(3)->SetTitle("M20");
1136 fSparseElectronHadron->GetAxis(4)->SetTitle("M02");
1137 fSparseElectronHadron->GetAxis(5)->SetTitle("Disp");
1138 fSparseElectronHadron->GetAxis(6)->SetTitle("phiminuspsi V0A");
1139 fSparseElectronHadron->GetAxis(7)->SetTitle("phiminuspsi V0C");
1140 fOutputList->Add(fSparseElectronHadron);
9d63a2f6 1141 }
96387d94 1142 //----------------------------------------------------------------------------
1143 //----------------------------------------------------------------------------
9d63a2f6 1144 if(fpurity){
96387d94 1145 Int_t binsvpurity[3]={ 600,200, 200}; //pt, E/p,TPCnSigma
1146 Double_t xminvpurity[3]={0, 0, -10};
ff36a82c 1147 Double_t xmaxvpurity[3]={30, 2, 10};
96387d94 1148 fSparseElectronpurity = new THnSparseD("Electronpurity","Electronpurity",3,binsvpurity,xminvpurity,xmaxvpurity);
1149 fSparseElectronpurity->GetAxis(0)->SetTitle("p_{T} (GeV/c)");
1150 fSparseElectronpurity->GetAxis(1)->SetTitle("EovP");
1151 fSparseElectronpurity->GetAxis(2)->SetTitle("TPCnSigma");
1152 fOutputList->Add(fSparseElectronpurity);
9d63a2f6 1153 }
96387d94 1154 //----------------------------------------------------------------------------
1155
7fcd6b0f 1156
1157 Int_t binsphipsi[3] = { 100, 200, 6};
1158 Double_t xminphipsi[3] = { 0., 0, 0};
1159 Double_t xmaxphipsi[3] = { 10., 2, TMath::Pi()};
1160 fSparsephipsiULS = new THnSparseF("fSparsephipsiULS", "pt:eop:DeltaPhiULS", 3, binsphipsi, xminphipsi, xmaxphipsi);
1161 fSparsephipsiULS->GetAxis(0)->SetTitle("pt (Gev/c)");
1162 fSparsephipsiULS->GetAxis(1)->SetTitle("eop");
1163 fSparsephipsiULS->GetAxis(2)->SetTitle("DeltaPhiULS");
1164 fOutputList->Add(fSparsephipsiULS);
1165
1166 fSparsephipsiLS = new THnSparseF("fSparsephipsiLS", "pt:eop:DeltaPhiLS", 3, binsphipsi, xminphipsi, xmaxphipsi);
1167 fSparsephipsiLS->GetAxis(0)->SetTitle("pt (Gev/c)");
1168 fSparsephipsiLS->GetAxis(1)->SetTitle("eop");
1169 fSparsephipsiLS->GetAxis(2)->SetTitle("DeltaPhiLS");
1170 fOutputList->Add(fSparsephipsiLS);
1171
1172 Int_t binsmass[2] = { 100, 200};
1173 Double_t xminmass[2] = { 0., 0};
1174 Double_t xmaxmass[2] = { 10., 1.};
1175 fSparseMassULS = new THnSparseF("fSparseMassULS", "pt:mass (GeV/c^{2})", 2, binsmass, xminmass, xmaxmass);
1176 fSparseMassULS->GetAxis(0)->SetTitle("pt (Gev/c)");
1177 fSparseMassULS->GetAxis(1)->SetTitle("mass");
1178 fOutputList->Add(fSparseMassULS);
1179
1180 fSparseMassLS = new THnSparseF("fSparseMassLS", "pt:mass (GeV/c^{2})", 2, binsmass, xminmass, xmaxmass);
1181 fSparseMassLS->GetAxis(0)->SetTitle("pt (Gev/c)");
1182 fSparseMassLS->GetAxis(1)->SetTitle("mass");
1183 fOutputList->Add(fSparseMassLS);
1184
1185
1186
96387d94 1187 PostData(1,fOutputList);
1188 // create and post flowevent
1189 fFlowEvent = new AliFlowEvent(10000);
1190 PostData(2, fFlowEvent);
9d63a2f6 1191
1192 if(fSideBandsFlow){
96387d94 1193 fFlowEventCont = new AliFlowEvent(10000);
1194 PostData(3, fFlowEventCont);
9d63a2f6 1195 }
96387d94 1196}
914042c2 1197
1198//________________________________________________________________________
a70c9e97 1199void AliAnalysisTaskFlowTPCEMCalQCSP::Terminate(Option_t *)
914042c2 1200{
96387d94 1201 // Info("Terminate");
1202 AliAnalysisTaskSE::Terminate();
914042c2 1203}
1204//_____________________________________________________________________________
a70c9e97 1205template <typename T> void AliAnalysisTaskFlowTPCEMCalQCSP::PlotVZeroMultiplcities(const T* event) const
914042c2 1206{
96387d94 1207 // QA multiplicity plots
1208 fVZEROA->Fill(event->GetVZEROData()->GetMTotV0A());
1209 fVZEROC->Fill(event->GetVZEROData()->GetMTotV0C());
914042c2 1210}
1211//_____________________________________________________________________________
a70c9e97 1212template <typename T> void AliAnalysisTaskFlowTPCEMCalQCSP::SetNullCuts(T* event)
914042c2 1213{
96387d94 1214 //Set null cuts
914042c2 1215 if (fDebug) cout << " fCutsRP " << fCutsRP << endl;
1216 fCutsRP->SetEvent(event, MCEvent());
1217 fNullCuts->SetParamType(AliFlowTrackCuts::kGlobal);
1218 fNullCuts->SetPtRange(+1, -1); // select nothing QUICK
1219 fNullCuts->SetEtaRange(+1, -1); // select nothing VZERO
1220 fNullCuts->SetEvent(event, MCEvent());
1221}
1222//_____________________________________________________________________________
96387d94 1223void AliAnalysisTaskFlowTPCEMCalQCSP::PrepareFlowEvent(Int_t iMulti, AliFlowEvent *FlowEv) const
914042c2 1224{
96387d94 1225 //Prepare flow events
1226 FlowEv->ClearFast();
1227 FlowEv->Fill(fCutsRP, fNullCuts);
1228 FlowEv->SetReferenceMultiplicity(iMulti);
1229 FlowEv->DefineDeadZone(0, 0, 0, 0);
1230 // FlowEv->TagSubeventsInEta(-0.7, 0, 0, 0.7);
914042c2 1231}
1232//_____________________________________________________________________________
a70c9e97 1233Bool_t AliAnalysisTaskFlowTPCEMCalQCSP::ProcessCutStep(Int_t cutStep, AliVParticle *track)
914042c2 1234{
96387d94 1235 // Check single track cuts for a given cut step
1236 const Int_t kMCOffset = AliHFEcuts::kNcutStepsMCTrack;
1237 if(!fCFM->CheckParticleCuts(cutStep + kMCOffset, track)) return kFALSE;
1238 return kTRUE;
914042c2 1239}
1240//_________________________________________
a70c9e97 1241void AliAnalysisTaskFlowTPCEMCalQCSP::CheckCentrality(AliAODEvent* event, Bool_t &centralitypass)
914042c2 1242{
9f508565 1243 //============================Multiplicity TPV vs Global===============================================================================
9d63a2f6 1244 const Int_t nGoodTracks = event->GetNumberOfTracks();
9d63a2f6 1245 Float_t multTPC(0.); // tpc mult estimate
1246 Float_t multGlob(0.); // global multiplicity
1247 for(Int_t iTracks = 0; iTracks < nGoodTracks; iTracks++) { // fill tpc mult
1248 AliAODTrack* trackAOD = event->GetTrack(iTracks);
1249 if (!trackAOD) continue;
1250 if (!(trackAOD->TestFilterBit(1))) continue;
1251 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;
1252 multTPC++;
1253 }
1254 for(Int_t iTracks = 0; iTracks < nGoodTracks; iTracks++) { // fill global mult
1255 AliAODTrack* trackAOD = event->GetTrack(iTracks);
1256 if (!trackAOD) continue;
1257 if (!(trackAOD->TestFilterBit(16))) continue;
1258 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;
1259 Double_t b[2] = {-99., -99.};
1260 Double_t bCov[3] = {-99., -99., -99.};
1261 if (!(trackAOD->PropagateToDCA(event->GetPrimaryVertex(), event->GetMagneticField(), 100., b, bCov))) continue;
1262 if ((TMath::Abs(b[0]) > 0.3) || (TMath::Abs(b[1]) > 0.3)) continue;
1263 multGlob++;
9f508565 1264 } //track loop
1265 fMultCorBeforeCuts->Fill(multGlob, multTPC);//before all cuts...even before centrality selectrion
1266 //============================================================================================================================
ff36a82c 1267 // Check if event is within the set centrality range. Falls back to V0 centrality determination if no method is set
1268 if (!fkCentralityMethod) AliFatal("No centrality method set! FATAL ERROR!");
1269 fCentrality = event->GetCentrality()->GetCentralityPercentile(fkCentralityMethod);
9f508565 1270 // cout << "--------------Centrality evaluated-------------------------"<<endl;
ff36a82c 1271 if ((fCentrality <= fCentralityMin) || (fCentrality > fCentralityMax))
1272 {
1273 fCentralityNoPass->Fill(fCentrality);
1274 // cout << "--------------Fill no pass-----"<< fCentrality <<"--------------------"<<endl;
1275 centralitypass = kFALSE;
1276 }else
1277 {
1278 // cout << "--------------Fill pass----"<< fCentrality <<"---------------------"<<endl;
1279 centralitypass = kTRUE;
1280 }
1281 if (centralitypass){
9f508565 1282 fMultCorAfterCentrBeforeCuts->Fill(multGlob, multTPC);
1283 fCentralityBeforePileup->Fill(fCentrality);
1284 }//...after centrality selectrion
1285 //============================================================================================================================
1286 //to remove the bias introduced by multeplicity outliers---------------------
ff36a82c 1287 Float_t centTrk = event->GetCentrality()->GetCentralityPercentile("TRK");
1288 Float_t centv0 = event->GetCentrality()->GetCentralityPercentile("V0M");
1289 if (TMath::Abs(centv0 - centTrk) > 5.0){
1290 centralitypass = kFALSE;
1291 fCentralityNoPass->Fill(fCentrality);
1292 }
1293 if (centralitypass){
9f508565 1294 fMultCorAfterVZTRKComp->Fill(multGlob, multTPC);
1295 fCentralityAfterVZTRK->Fill(fCentrality);
ff36a82c 1296 }//...after centrality selectrion
9f508565 1297 //============================================================================================================================
1298 if(fMultCut){
acd6f996 1299 if(fTrigger==1 || fTrigger==4){
9f508565 1300 if(! (multTPC > (-36.73 + 1.48*multGlob) && multTPC < (62.87 + 1.78*multGlob))){
1301 // cout <<" Trigger ==" <<fTrigger<< endl;
1302 centralitypass = kFALSE;
1303 fCentralityNoPass->Fill(fCentrality);
1304 }//2011 Semicentral
1305 }
1306 if(fTrigger==0){
1307 if(! (multTPC > (77.9 + 1.395*multGlob) && multTPC < (187.3 + 1.665*multGlob))){
1308 // cout <<" Trigger ==" <<fTrigger<< endl;
1309 centralitypass = kFALSE;
1310 fCentralityNoPass->Fill(fCentrality);
1311 }//2011
1312 }//2011 Central
1313 }
acd6f996 1314 if (centralitypass){
1315 fMultCorAfterCorrCut->Fill(multGlob, multTPC);
1316 fCentralityAfterCorrCut->Fill(fCentrality);
1317 }//...after CORR CUT
9f508565 1318 //=================================All cuts are passed==================++++==================================================
1319 //=================================Now Centrality flattening for central trigger==================++++==================================================
fc5fef83 1320 if(fTrigger==0 || fTrigger==1 || fTrigger==4){
9f508565 1321 if(!IsEventSelectedForCentrFlattening(fCentrality)){
edaa818d 1322 centralitypass = kFALSE;
9f508565 1323 fCentralityNoPassForFlattening->Fill(fCentrality);
1324 }
1325 }
1326 //==============================fill histo after all cuts==============================++++==================================================
9d63a2f6 1327 if(centralitypass){
96387d94 1328 fCentralityPass->Fill(fCentrality);
1329 fMultCorAfterCuts->Fill(multGlob, multTPC);
1330 fMultvsCentr->Fill(fCentrality, multTPC);
a70c9e97 1331 }
914042c2 1332}
1333//_____________________________________________________________________________
a70c9e97 1334void AliAnalysisTaskFlowTPCEMCalQCSP::SetCentralityParameters(Double_t CentralityMin, Double_t CentralityMax, const char* CentralityMethod)
914042c2 1335{
96387d94 1336 // Set a centrality range ]min, max] and define the method to use for centrality selection
1337 fCentralityMin = CentralityMin;
1338 fCentralityMax = CentralityMax;
1339 fkCentralityMethod = CentralityMethod;
914042c2 1340}
1341//_____________________________________________________________________________
a70c9e97 1342void 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 1343{
1344 //Set ID cuts
1345 fminTPC = minTPC;
1346 fmaxTPC = maxTPC;
1347 fminEovP = minEovP;
1348 fmaxEovP = maxEovP;
1349 fminM20 = minM20;
1350 fmaxM20 = maxM20;
1351 fminM02 = minM02;
1352 fmaxM02 = maxM02;
1353 fDispersion = Dispersion;
1354}
1355//_____________________________________________________________________________
9f508565 1356//_____________________________________________________________________________
1357void AliAnalysisTaskFlowTPCEMCalQCSP::SetHistoForCentralityFlattening(TH1F *h,Double_t minCentr,Double_t maxCentr,Double_t centrRef,Int_t switchTRand){
1358 // set the histo for centrality flattening
1359 // the centrality is flatten in the range minCentr,maxCentr
1360 // if centrRef is zero, the minimum in h within (minCentr,maxCentr) defines the reference
1361 // positive, the value of h(centrRef) defines the reference (-> the centrality distribution might be not flat in the whole desired range)
1362 // 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)
1363 // 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
1364
1365 if(maxCentr<minCentr){
1366 AliWarning("AliAnalysisCheckCorrdist::Wrong centralities values while setting the histogram for centrality flattening");
1367 }
1368
1369 if(fHistCentrDistr)delete fHistCentrDistr;
1370 fHistCentrDistr=(TH1F*)h->Clone("hCentralityFlat");
1371 fHistCentrDistr->SetTitle("Reference histo for centrality flattening");
1372 Int_t minbin=fHistCentrDistr->FindBin(minCentr*1.00001); // fast if fix bin width
1373 Int_t maxbin=fHistCentrDistr->FindBin(maxCentr*0.9999);
1374 fHistCentrDistr->GetXaxis()->SetRange(minbin,maxbin);
1375 Double_t ref=0.,bincont=0.,binrefwidth=1.;
1376 Int_t binref=0;
1377 if(TMath::Abs(centrRef)<0.0001){
1378 binref=fHistCentrDistr->GetMinimumBin();
1379 binrefwidth=fHistCentrDistr->GetBinWidth(binref);
1380 ref=fHistCentrDistr->GetBinContent(binref)/binrefwidth;
1381 }
1382 else if(centrRef>0.){
1383 binref=h->FindBin(centrRef);
1384 if(binref<1||binref>h->GetNbinsX()){
1385 AliWarning("AliRDHFCuts::Wrong centrality reference value while setting the histogram for centrality flattening");
1386 }
1387 binrefwidth=fHistCentrDistr->GetBinWidth(binref);
1388 ref=fHistCentrDistr->GetBinContent(binref)/binrefwidth;
1389 }
1390 else{
1391 if(centrRef<-1) AliWarning("AliRDHFCuts: with this centrality reference no flattening will be applied");
1392 binref=fHistCentrDistr->GetMaximumBin();
1393 binrefwidth=fHistCentrDistr->GetBinWidth(binref);
1394 ref=fHistCentrDistr->GetMaximum()*TMath::Abs(centrRef)/binrefwidth;
1395 }
1396
1397 for(Int_t j=1;j<=h->GetNbinsX();j++){// Now set the "probabilities"
1398 if(h->GetBinLowEdge(j)*1.0001>=minCentr&&h->GetBinLowEdge(j+1)*0.9999<=maxCentr){
1399 bincont=h->GetBinContent(j);
1400 fHistCentrDistr->SetBinContent(j,ref/bincont*h->GetBinWidth(j));
1401 fHistCentrDistr->SetBinError(j,h->GetBinError(j)*ref/bincont);
1402 }
1403 else{
1404 h->SetBinContent(j,1.1);// prob > 1 to assure that events will not be rejected
1405 }
1406 }
1407
1408 fHistCentrDistr->SetBinContent(0,switchTRand);
1409 return;
1410
1411}
1412
1413//-------------------------------------------------
1414Bool_t AliAnalysisTaskFlowTPCEMCalQCSP::IsEventSelectedForCentrFlattening(Float_t centvalue){
1415 //
1416 // Random event selection, based on fHistCentrDistr, to flatten the centrality distribution
1417 // Can be faster if it was required that fHistCentrDistr covers
1418 // exactly the desired centrality range (e.g. part of the lines below should be done during the
1419 // setting of the histo) and TH1::SetMinimum called
1420 //
1421
1422 if(!fHistCentrDistr) return kTRUE;
1423 // Int_t maxbin=fHistCentrDistr->FindBin(fMaxCentrality*0.9999);
1424 // if(maxbin>fHistCentrDistr->GetNbinsX()){
1425 // AliWarning("AliRDHFCuts: The maximum centrality exceeds the x-axis limit of the histogram for centrality flattening");
1426 // }
1427
1428 Int_t bin=fHistCentrDistr->FindBin(centvalue); // Fast if the histo has a fix bin
1429 Double_t bincont=fHistCentrDistr->GetBinContent(bin);
1430 Double_t centDigits=centvalue-(Int_t)(centvalue*100.)/100.;// this is to extract a random number between 0 and 0.01
1431
1432 if(fHistCentrDistr->GetBinContent(0)<-0.9999){
1433 if(gRandom->Uniform(1.)<bincont)return kTRUE;
1434 return kFALSE;
1435 }
1436
1437 if(centDigits*100.<bincont)return kTRUE;
1438 return kFALSE;
1439
1440}
1441//---------------------------------------------------------------------------
1442