1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
7 * Permission to use, copy, modify and distribute this software and its *
8 * documentation strictly for non-commercial purposes is hereby granted *
9 * without fee, provided that the above copyright notice appears in all *
10 * copies and that both the copyright notice and this permission notice *
11 * appear in the supporting documentation. The authors make no claims *
12 * about the suitability of this software for any purpose. It is *
13 * provided "as is" without express or implied warranty. *
14 **************************************************************************/
17 ////////////////////////////////////////////////////////////////////////
19 // Task for Heavy Flavour Electron Flow with TPC plus TOF //
20 // Non-Photonic Electron identified with Invariant mass //
21 // analysis methos in function SelectPhotonicElectron //
24 // Author: Andrea Dubla (Utrecht University) //
27 ////////////////////////////////////////////////////////////////////////
34 #include "THnSparse.h"
35 #include "TLorentzVector.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"
44 #include "AliAnalysisTaskFlowITSTPCTOFQCSP.h"
45 #include "TGeoGlobalMagField.h"
47 #include "AliAnalysisTaskSE.h"
48 #include "TRefArray.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 "AliGeomManager.h"
62 #include "TGeoManager.h"
65 #include "AliEMCALTrack.h"
66 //#include "AliEMCALTracker.h"
68 #include "AliKFParticle.h"
69 #include "AliKFVertex.h"
70 #include "AliHFEcontainer.h"
71 #include "AliHFEcuts.h"
72 #include "AliHFEpid.h"
73 #include "AliHFEpidBase.h"
74 #include "AliHFEpidQAmanager.h"
75 #include "AliHFEtools.h"
76 #include "AliCFContainer.h"
77 #include "AliCFManager.h"
78 #include "AliKFParticle.h"
79 #include "AliKFVertex.h"
80 #include "AliCentrality.h"
81 #include "AliVEvent.h"
83 #include "AliMCEvent.h"
85 #include "AliFlowCandidateTrack.h"
86 #include "AliFlowTrackCuts.h"
87 #include "AliFlowEventSimple.h"
88 #include "AliFlowCommonConstants.h"
89 #include "AliFlowEvent.h"
92 #include "AliESDVZERO.h"
93 #include "AliAODVZERO.h"
95 #include "AliPIDResponse.h"
96 #include "AliFlowTrack.h"
97 #include "AliAnalysisTaskVnV0.h"
98 #include "AliSelectNonHFE.h"
101 class AliFlowTrackCuts;
105 ClassImp(AliAnalysisTaskFlowITSTPCTOFQCSP)
106 //________________________________________________________________________
107 AliAnalysisTaskFlowITSTPCTOFQCSP::AliAnalysisTaskFlowITSTPCTOFQCSP(const char *name)
108 : AliAnalysisTaskSE(name)
113 ,fIdentifiedAsOutInz(kFALSE)
114 ,fPassTheEventCut(kFALSE)
118 ,fCutsRP(0) // track cuts for reference particles
119 ,fNullCuts(0) // dummy cuts for flow event tracks
120 ,fFlowEvent(0) //! flow events (one for each inv mass band)
121 ,fkCentralityMethod(0)
139 ,fTPCnsigmaVSptAft(0)
144 ,fCentralityNoPass(0)
151 ,fMultCorAfterCuts(0)
159 ,fMultCorBeforeCuts(0)
161 ,fminITSnsigmaLowpT(-1)
162 ,fmaxITSnsigmaLowpT(1)
163 ,fminITSnsigmaHighpT(-2)
164 ,fmaxITSnsigmaHighpT(2)
165 ,fminTPCnsigmaLowpT(-1)
166 ,fmaxTPCnsigmaLowpT(3)
167 ,fminTPCnsigmaHighpT(0)
168 ,fmaxTPCnsigmaHighpT(3)
169 //,fQAPIDSparse(kFALSE)
175 ,fOpeningAngleCut(0.1)
179 ,fNonHFE(new AliSelectNonHFE)
182 ,fTPCnsigmaAftITSTOF(0)
187 ,fTPCvsITSafterTOF(0)
190 ,fMultCorAfterCentrBeforeCuts(0)
191 ,fMultCorAfterVZTRKComp(0)
192 ,fCentralityBeforePileup(0)
193 ,fCentralityAfterVZTRK(0)
194 ,fCentralityAfterCorrCut(0)
195 ,fMultCorAfterCorrCut(0)
199 ,fSubEventDPhiv2new(0)
201 ,fHistCentrDistr(0x0)
202 ,fCentralityNoPassForFlattening(0)
206 fPID = new AliHFEpid("hfePid");
207 // Define input and output slots here
208 // Input slot #0 works with a TChain
209 DefineInput(0, TChain::Class());
210 // Output slot #0 id reserved by the base class for AOD
211 // Output slot #1 writes into a TH1 container
212 // DefineOutput(1, TH1I::Class());
213 DefineOutput(1, TList::Class());
214 DefineOutput(2, AliFlowEventSimple::Class());
217 //________________________________________________________________________
218 AliAnalysisTaskFlowITSTPCTOFQCSP::AliAnalysisTaskFlowITSTPCTOFQCSP()
219 : AliAnalysisTaskSE("DefaultAnalysis_AliAnalysisElectFlow")
224 ,fIdentifiedAsOutInz(kFALSE)
225 ,fPassTheEventCut(kFALSE)
229 ,fCutsRP(0) // track cuts for reference particles
230 ,fNullCuts(0) // dummy cuts for flow event tracks
231 ,fFlowEvent(0) //! flow events (one for each inv mass band)
232 ,fkCentralityMethod(0)
250 ,fTPCnsigmaVSptAft(0)
255 ,fCentralityNoPass(0)
262 ,fMultCorAfterCuts(0)
270 ,fMultCorBeforeCuts(0)
272 ,fminITSnsigmaLowpT(-1)
273 ,fmaxITSnsigmaLowpT(1)
274 ,fminITSnsigmaHighpT(-2)
275 ,fmaxITSnsigmaHighpT(2)
276 ,fminTPCnsigmaLowpT(-1)
277 ,fmaxTPCnsigmaLowpT(3)
278 ,fminTPCnsigmaHighpT(0)
279 ,fmaxTPCnsigmaHighpT(3)
280 //,fQAPIDSparse(kFALSE)
286 ,fOpeningAngleCut(0.1)
290 ,fNonHFE(new AliSelectNonHFE)
293 ,fTPCnsigmaAftITSTOF(0)
298 ,fTPCvsITSafterTOF(0)
301 ,fMultCorAfterCentrBeforeCuts(0)
302 ,fMultCorAfterVZTRKComp(0)
303 ,fCentralityBeforePileup(0)
304 ,fCentralityAfterVZTRK(0)
305 ,fCentralityAfterCorrCut(0)
306 ,fMultCorAfterCorrCut(0)
310 ,fSubEventDPhiv2new(0)
312 ,fHistCentrDistr(0x0)
313 ,fCentralityNoPassForFlattening(0)
315 //Default constructor
316 fPID = new AliHFEpid("hfePid");
318 // Define input and output slots here
319 // Input slot #0 works with a TChain
320 DefineInput(0, TChain::Class());
321 // Output slot #0 id reserved by the base class for AOD
322 // Output slot #1 writes into a TH1 container
323 // DefineOutput(1, TH1I::Class());
324 DefineOutput(1, TList::Class());
325 DefineOutput(2, AliFlowEventSimple::Class());
326 //DefineOutput(3, TTree::Class());
328 //_________________________________________
330 AliAnalysisTaskFlowITSTPCTOFQCSP::~AliAnalysisTaskFlowITSTPCTOFQCSP()
336 // delete fPIDResponse;
339 if (fOutputList) delete fOutputList;
340 if (fFlowEvent) delete fFlowEvent;
343 //_________________________________________
345 void AliAnalysisTaskFlowITSTPCTOFQCSP::UserExec(Option_t*)
348 //Called for each event
350 // create pointer to event
352 fAOD = dynamic_cast<AliAODEvent*>(InputEvent());
357 printf("ERROR: fAOD not available\n");
363 AliError("HFE cuts not available");
367 if(!fPID->IsInitialized())
369 // Initialize PID with the given run number
370 AliWarning("PID not initialised, get from Run no");
371 fPID->InitializePID(fAOD->GetRunNumber());
374 // cout << "kTrigger == " << fTrigger <<endl;
377 if(!(((AliInputEventHandler*)(AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler()))->IsEventSelected() & AliVEvent::kCentral)) return;
380 if(!(((AliInputEventHandler*)(AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler()))->IsEventSelected() & AliVEvent::kSemiCentral)) return;
383 if(!(((AliInputEventHandler*)(AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler()))->IsEventSelected() & AliVEvent::kEMCEGA)) return;
386 if(!(((AliInputEventHandler*)(AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler()))->IsEventSelected() & AliVEvent::kMB)) return;
389 if(!(((AliInputEventHandler*)(AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler()))->IsEventSelected() & (AliVEvent::kCentral | AliVEvent::kSemiCentral))) return;
394 //---------------CENTRALITY AND EVENT SELECTION-----------------------
398 Int_t fNOtrks = fAOD->GetNumberOfTracks();
400 const AliAODVertex* trkVtx = fAOD->GetPrimaryVertex();
401 if (!trkVtx || trkVtx->GetNContributors()<=0)return;
402 TString vtxTtl = trkVtx->GetTitle();
403 if (!vtxTtl.Contains("VertexerTracks"))return;
404 const AliAODVertex* spdVtx = fAOD->GetPrimaryVertexSPD();
405 if (!spdVtx || spdVtx->GetNContributors()<=0)return;
406 if (TMath::Abs(spdVtx->GetZ() - trkVtx->GetZ())>0.5)return;
407 vtxz = trkVtx->GetZ();
408 if(TMath::Abs(vtxz)>fVz)return;
411 if(!fCFM->CheckEventCuts(AliHFEcuts::kEventStepReconstructed, fAOD)) return;
412 if(fNOtrks<2) return;
415 Bool_t pass = kFALSE; //to select centrality
416 CheckCentrality(fAOD,pass);
423 PlotVZeroMultiplcities(fAOD);
426 PrepareFlowEvent(fAOD->GetNumberOfTracks(),fFlowEvent); //Calculate event plane Qvector and EP resolution for inclusive
428 AliPIDResponse *pidResponse = fInputHandler->GetPIDResponse();
431 AliDebug(1, "Using default PID Response");
432 pidResponse = AliHFEtools::GetDefaultPID(kFALSE, fInputEvent->IsA() == AliAODEvent::Class());
435 fPID->SetPIDResponse(pidResponse);
437 fCFM->SetRecEventInfo(fAOD);
439 // Look for kink mother
440 Int_t numberofvertices = fAOD->GetNumberOfVertices();
441 Double_t listofmotherkink[numberofvertices];
442 Int_t numberofmotherkink = 0;
443 for(Int_t ivertex=0; ivertex < numberofvertices; ivertex++) {
444 AliAODVertex *aodvertex = fAOD->GetVertex(ivertex);
445 if(!aodvertex) continue;
446 if(aodvertex->GetType()==AliAODVertex::kKink) {
447 AliAODTrack *mother = (AliAODTrack *) aodvertex->GetParent();
448 if(!mother) continue;
449 Int_t idmother = mother->GetID();
450 listofmotherkink[numberofmotherkink] = idmother;
451 //printf("ID %d\n",idmother);
452 numberofmotherkink++;
456 //=============================================V0EP from Alex======================================================================
457 Double_t qxEPa = 0, qyEPa = 0;
458 Double_t qxEPc = 0, qyEPc = 0;
459 Double_t qxEP = 0, qyEP = 0;
461 Double_t evPlAngV0A = fAOD->GetEventplane()->CalculateVZEROEventPlane(fAOD, 8, 2, qxEPa, qyEPa);
462 Double_t evPlAngV0C = fAOD->GetEventplane()->CalculateVZEROEventPlane(fAOD, 9, 2, qxEPc, qyEPc);
463 Double_t evPlAngV0 = fAOD->GetEventplane()->CalculateVZEROEventPlane(fAOD, 10, 2, qxEP, qyEP);
466 Double_t Qx2 = 0, Qy2 = 0;
467 Double_t Qx2p = 0, Qy2p = 0;
468 Double_t Qx2n = 0, Qy2n = 0;
470 for (Int_t iT = 0; iT < fAOD->GetNumberOfTracks(); iT++){
472 AliAODTrack* aodTrack = fAOD->GetTrack(iT);
477 if ((TMath::Abs(aodTrack->Eta()) > 0.8) || (aodTrack->Pt() < 0.2) || (aodTrack->GetTPCNcls() < 70) || (aodTrack->Pt() >= 20.0))
480 if (!aodTrack->TestFilterBit(128))
484 if(aodTrack->Eta()>0 && aodTrack->Eta()<0.8){
486 Qx2p += TMath::Cos(2*aodTrack->Phi());
487 Qy2p += TMath::Sin(2*aodTrack->Phi());
489 if(aodTrack->Eta()<0 && aodTrack->Eta()> -0.8){
491 Qx2n += TMath::Cos(2*aodTrack->Phi());
492 Qy2n += TMath::Sin(2*aodTrack->Phi());
496 Qx2 += TMath::Cos(2*aodTrack->Phi());
497 Qy2 += TMath::Sin(2*aodTrack->Phi());
504 Double_t evPlAngTPC = TMath::ATan2(Qy2, Qx2)/2.;
505 Double_t evPlAngTPCn = TMath::ATan2(Qy2n, Qx2n)/2.;
506 Double_t evPlAngTPCp = TMath::ATan2(Qy2p, Qx2p)/2.;
508 EPVzA->Fill(evPlAngV0A);
509 EPVzC->Fill(evPlAngV0C);
510 EPTPC->Fill(evPlAngTPC);
512 EPTPCn->Fill(evPlAngTPCn);
513 EPTPCp->Fill(evPlAngTPCp);
514 EPVz->Fill(evPlAngV0);
516 fSubEventDPhiv2->Fill(0.5, TMath::Cos(2.*(evPlAngV0A-evPlAngTPC))); // vzeroa - tpc
517 fSubEventDPhiv2->Fill(1.5, TMath::Cos(2.*(evPlAngV0A-evPlAngV0C))); // vzeroa - vzeroc
518 fSubEventDPhiv2->Fill(2.5, TMath::Cos(2.*(evPlAngV0C-evPlAngTPC))); // tpc - vzeroc
521 fSubEventDPhiv2new->Fill(0.5, TMath::Cos(2.*(evPlAngV0-evPlAngTPCp))); // vzero - tpcp
522 fSubEventDPhiv2new->Fill(1.5, TMath::Cos(2.*(evPlAngV0-evPlAngTPCn))); // vzero - tpcn
523 fSubEventDPhiv2new->Fill(2.5, TMath::Cos(2.*(evPlAngTPCp-evPlAngTPCn))); // tpcp - tpcn
526 //====================================================================================================================
528 AliAODTrack *track = NULL;
531 for (Int_t iTracks = 0; iTracks < fAOD->GetNumberOfTracks(); iTracks++)
533 track = fAOD->GetTrack(iTracks);
536 printf("ERROR: Could not receive track %d\n", iTracks);
539 if(!track->TestFilterMask(AliAODTrack::kTrkGlobalNoDCA)) continue; // TESTBIT FOR AOD double Counting
541 //--------------------------------------hfe begin-----------------------------------------------------------
542 //==========================================================================================================
543 //======================================track cuts==========================================================
544 if(track->Eta()<-0.8 || track->Eta()>0.8) continue; //eta cuts on candidates
546 // RecKine: ITSTPC cuts
547 if(!ProcessCutStep(AliHFEcuts::kStepRecKineITSTPC, track)) continue;
549 // Reject kink mother
550 Bool_t kinkmotherpass = kTRUE;
551 for(Int_t kinkmother = 0; kinkmother < numberofmotherkink; kinkmother++) {
552 if(track->GetID() == listofmotherkink[kinkmother]) {
553 kinkmotherpass = kFALSE;
557 if(!kinkmotherpass) continue;
560 // if(!ProcessCutStep(AliHFEcuts::kStepRecPrim, track)) continue; //deleted for DCA absence
561 // HFEcuts: ITS layers cuts
562 if(!ProcessCutStep(AliHFEcuts::kStepHFEcutsITS, track)) continue;
563 // HFE cuts: TPC PID cleanup
564 if(!ProcessCutStep(AliHFEcuts::kStepHFEcutsTPC, track)) continue;
565 //==========================================================================================================
566 Double_t eta = track->Eta();
567 Double_t phi = track->Phi();
568 Double_t pt = track->Pt(); //pt track after cuts
569 if(pt<fpTCutmin || pt>fpTCutmax) continue;
570 //==========================================================================================================
571 //=========================================PID==============================================================
572 if(track->GetTPCsignalN() < fTPCS) continue;
573 Float_t fITSnSigma = fPID->GetPIDResponse() ? fPID->GetPIDResponse()->NumberOfSigmasITS(track, AliPID::kElectron) : 1000;
574 Float_t fTPCnSigma = fPID->GetPIDResponse() ? fPID->GetPIDResponse()->NumberOfSigmasTPC(track, AliPID::kElectron) : 1000;
575 Float_t fTOFnSigma = fPID->GetPIDResponse() ? fPID->GetPIDResponse()->NumberOfSigmasTOF(track, AliPID::kElectron) : 1000;
576 // Float_t eDEDX = fPIDResponse->GetTPCResponse().GetExpectedSignal(track, AliPID::kElectron, AliTPCPIDResponse::kdEdxDefault, kTRUE);
577 fITSnsigma->Fill(track->P(),fITSnSigma);
578 fTPCnsigma->Fill(track->P(),fTPCnSigma);
579 fTOFns->Fill(track->P(),fTOFnSigma);
580 fITSvsTOF->Fill(fTOFnSigma,fITSnSigma);
581 fTPCvsITS->Fill(fTPCnSigma,fITSnSigma);
582 fTPCvsTOF->Fill(fTPCnSigma,fTOFnSigma);
585 if(fTOFnSigma < fminTOFnSigma || fTOFnSigma > fmaxTOFnSigma) continue;
586 }//cuts on nsigma tof full pt range
588 fITSnsigmaAftTOF->Fill(track->P(),fITSnSigma);
589 fTPCnsigmaAftTOF->Fill(track->P(),fTPCnSigma);
590 fTPCvsITSafterTOF->Fill(fTPCnSigma,fITSnSigma);
592 Double_t valPidSparse[3] = {
597 fQAPidSparse->Fill(valPidSparse);
601 if(fITSnSigma < fminITSnsigmaLowpT || fITSnSigma > fmaxITSnsigmaLowpT)continue;
602 }//cuts on nsigma its low pt
604 if(fITSnSigma < fminITSnsigmaHighpT || fITSnSigma > fmaxITSnsigmaHighpT)continue;
605 }//cuts on nsigma its high pt
606 fTPCnsigmaAftITSTOF->Fill(track->P(),fTPCnSigma);
607 if(pt >= 0.25 && pt < 1.5){
608 if(fTPCnSigma < fminTPCnsigmaLowpT || fTPCnSigma > fmaxTPCnsigmaLowpT) continue;
609 }//cuts on nsigma tpc lowpt
611 if(fTPCnSigma < fminTPCnsigmaHighpT || fTPCnSigma > fmaxTPCnsigmaHighpT) continue;
612 }//cuts on nsigma tpc high pt
613 fTPCnsigmaAft->Fill(track->P(),fTPCnSigma);
614 fTPCnsigmaVSptAft->Fill(pt,fTPCnSigma);
616 //==========================================================================================================
617 //=========================================QA PID SPARSE====================================================
618 Float_t timeTOF = track->GetTOFsignal();
619 Double_t intTime[5] = {-99., -99., -99., -99., -99.};
620 track->GetIntegratedTimes(intTime);
621 Float_t timeElec = intTime[0];
622 Float_t intLength = 2.99792458e-2* timeElec;
624 if ((intLength > 0) && (timeTOF > 0))
625 beta = intLength/2.99792458e-2/timeTOF;
628 // Double_t valPid[4] = {
630 // track->GetTPCsignal(),
634 // fQAPid->Fill(valPid);
638 fITSnsigmaAft->Fill(track->P(),fITSnSigma);
639 fTPCnsigmaAft->Fill(track->P(),fTPCnSigma);
640 fTOFnsAft->Fill(track->P(),fTOFnSigma);
641 fTOFBetaAft->Fill(track->P(),beta);
642 fInclusiveElecPt->Fill(pt);
645 //=========================================================================================================
646 //----------------------Flow of Inclusive Electrons--------------------------------------------------------
647 AliFlowTrack *sTrack = new AliFlowTrack();
649 sTrack->SetID(track->GetID());
650 sTrack->SetForRPSelection(kTRUE);
651 sTrack->SetForPOISelection(kTRUE);
652 sTrack->SetMass(263732);
653 for(int iRPs=0; iRPs!=fFlowEvent->NumberOfTracks(); ++iRPs)
655 // cout << " no of rps " << iRPs << endl;
656 AliFlowTrack *iRP = dynamic_cast<AliFlowTrack*>(fFlowEvent->GetTrack( iRPs ));
658 if (!iRP->InRPSelection()) continue;
659 if( sTrack->GetID() == iRP->GetID())
661 if(fDebug) printf(" was in RP set");
662 // cout << sTrack->GetID() <<" == " << iRP->GetID() << " was in RP set====REMOVED" <<endl;
663 iRP->SetForRPSelection(kFALSE);
664 // fFlowEvent->SetNumberOfRPs(fFlowEvent->GetNumberOfRPs() - 1);
666 } //end of for loop on RPs
667 fFlowEvent->InsertTrack(((AliFlowTrack*) sTrack));
668 fFlowEvent->SetNumberOfPOIs(fFlowEvent->GetNumberOfPOIs()+1);
669 //============================Event Plane Method with V0====================================================
670 Double_t v2PhiV0A = TMath::Cos(2*(phi - evPlAngV0A));
671 Double_t v2PhiV0C = TMath::Cos(2*(phi - evPlAngV0C));
672 Double_t v2Phi[3] = {
678 Double_t v2PhiVz = TMath::Cos(2*(phi - evPlAngV0));
679 Double_t v2PhiV0tot[2] = {
682 fV2Phivzerotot->Fill(v2PhiV0tot);
684 //==========================================================================================================
685 //=========================================================================================================
689 fNonHFE = new AliSelectNonHFE();
690 fNonHFE->SetAODanalysis(kTRUE);
691 fNonHFE->SetInvariantMassCut(fInvmassCut);
692 if(fOP_angle) fNonHFE->SetOpeningAngleCut(fOpeningAngleCut);
693 //fNonHFE->SetChi2OverNDFCut(fChi2Cut);
694 //if(fDCAcutFlag) fNonHFE->SetDCACut(fDCAcut);
695 fNonHFE->SetAlgorithm("DCA"); //KF
696 fNonHFE->SetPIDresponse(pidResponse);
697 fNonHFE->SetTrackCuts(-3,3);
699 fNonHFE->SetHistAngleBack(fOpeningAngleLS);
700 fNonHFE->SetHistAngle(fOpeningAngleULS);
701 //fNonHFE->SetHistDCABack(fDCABack);
702 //fNonHFE->SetHistDCA(fDCA);
703 fNonHFE->SetHistMassBack(fInvmassLS1);
704 fNonHFE->SetHistMass(fInvmassULS1);
706 fNonHFE->FindNonHFE(iTracks,track,fAOD);
708 // Int_t *fUlsPartner = fNonHFE->GetPartnersULS();
709 // Int_t *fLsPartner = fNonHFE->GetPartnersLS();
710 // Bool_t fUlsIsPartner = kFALSE;
711 // Bool_t fLsIsPartner = kFALSE;
712 if(fNonHFE->IsULS()){
713 for(Int_t kULS =0; kULS < fNonHFE->GetNULS(); kULS++){
714 fULSElecPt->Fill(track->Pt());
719 for(Int_t kLS =0; kLS < fNonHFE->GetNLS(); kLS++){
720 fLSElecPt->Fill(track->Pt());
725 //=========================================================================================================
726 //----------------------Selection and Flow of Photonic Electrons-----------------------------
727 Bool_t fFlagPhotonicElec = kFALSE;
728 SelectPhotonicElectron(iTracks,track,fFlagPhotonicElec);
729 if(fFlagPhotonicElec){fPhotoElecPt->Fill(pt);}
730 // Semi inclusive electron
731 if(!fFlagPhotonicElec){fSemiInclElecPt->Fill(pt);}
733 //-------------------------------------------------------------------------------------------
736 PostData(1, fOutputList);
737 PostData(2, fFlowEvent);
739 //----------hfe end---------
741 //_________________________________________
742 void AliAnalysisTaskFlowITSTPCTOFQCSP::SelectPhotonicElectron(Int_t itrack,const AliAODTrack *track, Bool_t &fFlagPhotonicElec)
745 //Identify non-heavy flavour electrons using Invariant mass method
746 Bool_t flagPhotonicElec = kFALSE;
748 for(Int_t jTracks = 0; jTracks<fAOD->GetNumberOfTracks(); jTracks++){
749 AliAODTrack *trackAsso = fAOD->GetTrack(jTracks);
751 printf("ERROR: Could not receive track %d\n", jTracks);
754 // if(!track->TestFilterMask(AliAODTrack::kTrkGlobalNoDCA)) continue; // TESTBIT FOR AOD double Counting
755 if(!trackAsso->TestFilterMask(AliAODTrack::kTrkTPCOnly)) continue;
756 if((!(trackAsso->GetStatus()&AliESDtrack::kITSrefit)|| (!(trackAsso->GetStatus()&AliESDtrack::kTPCrefit)))) continue;
759 if(jTracks == itrack) continue;
760 Double_t ptAsso=-999., nsigma=-999.0;
761 Double_t mass=-999., width = -999;
762 Double_t openingAngle = -999.;
763 Bool_t fFlagLS=kFALSE, fFlagULS=kFALSE;
766 ptAsso = trackAsso->Pt();
767 Short_t chargeAsso = trackAsso->Charge();
768 Short_t charge = track->Charge();
769 // nsigma = fPIDResponse->NumberOfSigmasTPC(track, AliPID::kElectron);
770 nsigma = fPID->GetPIDResponse() ? fPID->GetPIDResponse()->NumberOfSigmasTPC(trackAsso, AliPID::kElectron) : 1000;
773 if(trackAsso->GetTPCNcls() < 80) continue;
774 if(nsigma < -3 || nsigma > 3) continue;
775 if(trackAsso->Eta()<-0.9 || trackAsso->Eta()>0.9) continue;
776 // if(ptAsso <0.3) continue;
778 Int_t fPDGe1 = 11; Int_t fPDGe2 = 11;
779 if(charge>0) fPDGe1 = -11;
780 if(chargeAsso>0) fPDGe2 = -11;
782 if(charge == chargeAsso) fFlagLS = kTRUE;
783 if(charge != chargeAsso) fFlagULS = kTRUE;
785 AliKFParticle::SetField(fAOD->GetMagneticField());
786 AliKFParticle ge1 = AliKFParticle(*track, fPDGe1);
787 AliKFParticle ge2 = AliKFParticle(*trackAsso, fPDGe2);
788 AliKFParticle recg(ge1, ge2);
790 if(recg.GetNDF()<1) continue;
791 Double_t chi2recg = recg.GetChi2()/recg.GetNDF();
792 if(TMath::Sqrt(TMath::Abs(chi2recg))>3.) continue;
793 recg.GetMass(mass,width);
795 openingAngle = ge1.GetAngle(ge2);
796 if(fFlagLS) fOpeningAngleLS->Fill(openingAngle);
797 if(fFlagULS) fOpeningAngleULS->Fill(openingAngle);
798 if(fOP_angle){if(openingAngle > fOpeningAngleCut) continue;}
801 if(fFlagLS) fInvmassLS1->Fill(mass);
802 if(fFlagULS) fInvmassULS1->Fill(mass);
804 if(mass<fInvmassCut){
805 if(fFlagULS){fULSElecPt->Fill(track->Pt());}
806 if(fFlagLS){fLSElecPt->Fill(track->Pt());}
809 if(mass<fInvmassCut && fFlagULS && !flagPhotonicElec){
810 flagPhotonicElec = kTRUE;
814 fFlagPhotonicElec = flagPhotonicElec;
816 //___________________________________________
817 void AliAnalysisTaskFlowITSTPCTOFQCSP::UserCreateOutputObjects()
821 //----------hfe initialising begin---------
822 fNullCuts = new AliFlowTrackCuts("null_cuts");
824 AliFlowCommonConstants* cc = AliFlowCommonConstants::GetMaster();
825 cc->SetNbinsMult(10000);
827 cc->SetMultMax(10000);
833 cc->SetNbinsPhi(180);
835 cc->SetPhiMax(TMath::TwoPi());
846 // AliAnalysisManager *man=AliAnalysisManager::GetAnalysisManager();
847 // AliInputEventHandler *inputHandler=dynamic_cast<AliInputEventHandler*>(man->GetInputEventHandler());
848 // if (!inputHandler){
849 // AliFatal("Input handler needed");
852 // fPIDResponse=inputHandler->GetPIDResponse();
854 //pid response object
855 // if (!fPIDResponse)AliError("PIDResponse object was not created");
858 //--------Initialize PID
859 fPID->SetHasMCData(kFALSE);
860 if(!fPID->GetNumberOfPIDdetectors())
862 fPID->AddDetector("ITS", 0);
863 fPID->AddDetector("TOF", 1);
864 fPID->AddDetector("TPC", 2);
868 fPID->SortDetectors();
869 fPIDqa = new AliHFEpidQAmanager();
870 fPIDqa->Initialize(fPID);
874 //--------Initialize correction Framework and Cuts
875 fCFM = new AliCFManager;
876 const Int_t kNcutSteps = AliHFEcuts::kNcutStepsMCTrack + AliHFEcuts::kNcutStepsRecTrack + AliHFEcuts::kNcutStepsDETrack;
877 fCFM->SetNStepParticle(kNcutSteps);
878 for(Int_t istep = 0; istep < kNcutSteps; istep++)
879 fCFM->SetParticleCutsList(istep, NULL);
882 AliWarning("Cuts not available. Default cuts will be used");
883 fCuts = new AliHFEcuts;
884 fCuts->CreateStandardCuts();
888 fCuts->Initialize(fCFM);
889 //----------hfe initialising end--------
890 //---------Output Tlist
891 fOutputList = new TList();
892 fOutputList->SetOwner();
893 fOutputList->Add(fPIDqa->MakeList("PIDQA"));
895 fNoEvents = new TH1F("fNoEvents","",1,0,1) ;
896 fOutputList->Add(fNoEvents);
898 fITSnsigma = new TH2F("fITSnsigma", "ITS - n sigma before HFE pid",600,0,6,400,-20,20);
899 fOutputList->Add(fITSnsigma);
901 fTPCnsigma = new TH2F("fTPCnsigma", "TPC - n sigma before HFE pid",600,0,6,400,-20,20);
902 fOutputList->Add(fTPCnsigma);
904 fITSnsigmaAft = new TH2F("fITSnsigmaAft", "ITS - n sigma after HFE pid",1000,0,10,300,-10,20);
905 fOutputList->Add(fITSnsigmaAft);
906 fITSvsTOF = new TH2F("fITSvsTOF", "ITS tof",400,-20,20,400,-20,20);
907 fOutputList->Add(fITSvsTOF);
908 fTPCvsITS = new TH2F("TPCvsITS", "TPC ITS",400,-20,20,400,-20,20);
909 fOutputList->Add(fTPCvsITS);
910 fTPCvsTOF = new TH2F("TPCvsTOF", "TPC TOF",400,-20,20,400,-20,20);
911 fOutputList->Add(fTPCvsTOF);
912 fTPCvsITSafterTOF = new TH2F("TPCvsITSafterTOF", "TPC ITS",400,-20,20,400,-20,20);
913 fOutputList->Add(fTPCvsITSafterTOF);
916 fITSnsigmaAftTOF = new TH2F("fITSnsigmaAftTOF", "ITS - n sigma after HFE pid",600,0,6,400,-20,20);
917 fOutputList->Add(fITSnsigmaAftTOF);
919 fTPCnsigmaAft = new TH2F("fTPCnsigmaAft", "TPC - n sigma after HFE pid",600,0,6,400,-20,20);
920 fOutputList->Add(fTPCnsigmaAft);
922 fTPCnsigmaVSptAft = new TH2F("fTPCnsigmaVSptAft", "TPC - n sigma after HFE pid",600,0,6,400,-20,20);
923 fOutputList->Add(fTPCnsigmaVSptAft);
925 fTPCnsigmaAftITSTOF = new TH2F("fTPCnsigmaAftITSTOF", "TPC - n sigma after HFE pid",600,0,6,400,-20,20);
926 fOutputList->Add(fTPCnsigmaAftITSTOF);
928 fTPCnsigmaAftTOF = new TH2F("fTPCnsigmaAftTOF", "TPC - n sigma after HFE pid",600,0,6,400,-20,20);
929 fOutputList->Add(fTPCnsigmaAftTOF);
931 fTOFns = new TH2F("fTOFns","track TOFnSigma",600,0,6,400,-20,20);
932 fOutputList->Add(fTOFns);
934 fTOFnsAft = new TH2F("fTOFnsAft","track TOFnSigma",600,0,6,400,-20,20);
935 fOutputList->Add(fTOFnsAft);
937 fTOFBetaAft = new TH2F("fTOFBetaAft","track TOFBeta",600,0,6,120,0,1.2);
938 fOutputList->Add(fTOFBetaAft);
940 fInclusiveElecPt = new TH1F("fInclElecPt", "Inclusive electron pt",100,0,5);
941 fOutputList->Add(fInclusiveElecPt);
943 fPhotoElecPt = new TH1F("fPhotoElecPt", "photonic electron pt",100,0,5);
944 fOutputList->Add(fPhotoElecPt);
946 fSemiInclElecPt = new TH1F("fSemiInclElecPt", "Semi-inclusive electron pt",100,0,5);
947 fOutputList->Add(fSemiInclElecPt);
949 fULSElecPt = new TH1F("fULSElecPt", "ULS electron pt",100,0,5);
950 fOutputList->Add(fULSElecPt);
952 fLSElecPt = new TH1F("fLSElecPt", "LS electron pt",100,0,5);
953 fOutputList->Add(fLSElecPt);
955 fInvmassLS1 = new TH1F("fInvmassLS1", "Inv mass of LS (e,e); mass(GeV/c^2); counts;", 1000,0,1.0);
956 fOutputList->Add(fInvmassLS1);
958 fInvmassULS1 = new TH1F("fInvmassULS1", "Inv mass of ULS (e,e); mass(GeV/c^2); counts;", 1000,0,1.0);
959 fOutputList->Add(fInvmassULS1);
961 fCentralityPass = new TH1F("fCentralityPass", "Centrality Pass", 101, -1, 100);
962 fOutputList->Add(fCentralityPass);
964 fCentralityNoPass = new TH1F("fCentralityNoPass", "Centrality No Pass", 101, -1, 100);
965 fOutputList->Add(fCentralityNoPass);
967 fCentralityNoPassForFlattening = new TH1F("fCentralityNoPassForFlattening", "Centrality No Pass for flattening", 101, -1, 100);
968 fOutputList->Add(fCentralityNoPassForFlattening);
970 fCentralityBeforePileup = new TH1F("fCentralityBeforePileup", "fCentralityBeforePileup Pass", 101, -1, 100);
971 fOutputList->Add(fCentralityBeforePileup);
973 fCentralityAfterVZTRK = new TH1F("fCentralityAfterVZTRK", "fCentralityAfterVZTRK Pass", 101, -1, 100);
974 fOutputList->Add(fCentralityAfterVZTRK);
976 fCentralityAfterCorrCut = new TH1F("fCentralityAfterCorrCut", "fCentralityAfterCorrCut Pass", 101, -1, 100);
977 fOutputList->Add(fCentralityAfterCorrCut);
979 fPhi = new TH1F("fPhi", "#phi distribution", 100, -.5, 7);
980 fOutputList->Add(fPhi);
982 fEta = new TH1F("fEta", "#eta distribution", 100, -1.1, 1.1);
983 fOutputList->Add(fEta);
985 fVZEROA = new TH1F("fVZEROA", "VZERO A Multiplicity", 1000, 0, 10000);
986 fOutputList->Add(fVZEROA);
988 fVZEROC = new TH1F("fVZEROC", "VZERO C Multiplicity", 1000, 0, 10000);
989 fOutputList->Add(fVZEROC);
991 fTPCM = new TH1F("fTPCM", "TPC multiplicity", 1000, 0, 10000);
992 fOutputList->Add(fTPCM);
994 fvertex = new TH1D("fvertex", "vertex distribution", 300, -15,15);
995 fOutputList->Add(fvertex);
997 fMultCorBeforeCuts = new TH2F("fMultCorBeforeCuts", "TPC vs Global multiplicity (Before cuts); Global multiplicity; TPC multiplicity", 100, 0, 3000, 100, 0, 3000);
998 fOutputList->Add(fMultCorBeforeCuts);
1000 fMultCorAfterCuts = new TH2F("fMultCorAfterCuts", "TPC vs Global multiplicity (After cuts); Global multiplicity; TPC multiplicity", 100, 0, 3000, 100, 0, 3000);
1001 fOutputList->Add(fMultCorAfterCuts);
1003 fMultCorAfterCentrBeforeCuts = new TH2F("fMultCorAfterCentrBeforeCuts", "TPC vs Global multiplicity (After CC before cuts); Global multiplicity; TPC multiplicity", 100, 0, 3000, 100, 0, 3000);
1004 fOutputList->Add(fMultCorAfterCentrBeforeCuts);
1006 fMultCorAfterVZTRKComp = new TH2F("fMultCorAfterVZTRKComp", "TPC vs Global multiplicity (After V0-TRK); Global multiplicity; TPC multiplicity", 100, 0, 3000, 100, 0, 3000);
1007 fOutputList->Add(fMultCorAfterVZTRKComp);
1009 fMultCorAfterCorrCut = new TH2F("fMultCorAfterCorrCut", "TPC vs Global multiplicity (After CorrCut); Global multiplicity; TPC multiplicity", 100, 0, 3000, 100, 0, 3000);
1010 fOutputList->Add(fMultCorAfterCorrCut);
1012 fMultvsCentr = new TH2F("fMultvsCentr", "Multiplicity vs centrality; centrality; Multiplicity", 100, 0., 100, 100, 0, 3000);
1013 fOutputList->Add(fMultvsCentr);
1015 fOpeningAngleLS = new TH1F("fOpeningAngleLS","Opening angle for LS pairs",100,0,1);
1016 fOutputList->Add(fOpeningAngleLS);
1018 fOpeningAngleULS = new TH1F("fOpeningAngleULS","Opening angle for ULS pairs",100,0,1);
1019 fOutputList->Add(fOpeningAngleULS);
1023 //----------------------------------------------------------------------------
1024 EPVzA = new TH1D("EPVzA", "EPVzA", 80, -2, 2);
1025 fOutputList->Add(EPVzA);
1026 EPVzC = new TH1D("EPVzC", "EPVzC", 80, -2, 2);
1027 fOutputList->Add(EPVzC);
1028 EPTPC = new TH1D("EPTPC", "EPTPC", 80, -2, 2);
1029 fOutputList->Add(EPTPC);
1030 EPVz = new TH1D("EPVz", "EPVz", 80, -2, 2);
1031 fOutputList->Add(EPVz);
1032 EPTPCp = new TH1D("EPTPCp", "EPTPCp", 80, -2, 2);
1033 fOutputList->Add(EPTPCp);
1034 EPTPCn = new TH1D("EPTPCn", "EPTPCn", 80, -2, 2);
1035 fOutputList->Add(EPTPCn);
1038 //----------------------------------------------------------------------------
1039 fSubEventDPhiv2 = new TProfile("fSubEventDPhiv2", "fSubEventDPhiv2", 3, 0, 3);
1040 fSubEventDPhiv2->GetXaxis()->SetBinLabel(1, "<cos(2(#Psi_{a} - #Psi_{b}))>");
1041 fSubEventDPhiv2->GetXaxis()->SetBinLabel(2, "<cos(2(#Psi_{a} - #Psi_{c}>))");
1042 fSubEventDPhiv2->GetXaxis()->SetBinLabel(3, "<cos(2(#Psi_{b} - #Psi_{c}>))");
1043 fOutputList->Add(fSubEventDPhiv2);
1045 fSubEventDPhiv2new = new TProfile("fSubEventDPhiv2new", "fSubEventDPhiv2new", 3, 0, 3);
1046 fSubEventDPhiv2new->GetXaxis()->SetBinLabel(1, "<cos(2(#Psi_{a} - #Psi_{b}))>");
1047 fSubEventDPhiv2new->GetXaxis()->SetBinLabel(2, "<cos(2(#Psi_{a} - #Psi_{c}>))");
1048 fSubEventDPhiv2new->GetXaxis()->SetBinLabel(3, "<cos(2(#Psi_{b} - #Psi_{c}>))");
1049 fOutputList->Add(fSubEventDPhiv2new);
1051 //================================Event Plane with VZERO=====================
1052 const Int_t nPtBins = 12;
1053 Double_t binsPt[nPtBins+1] = {0, 0.25, 0.5, 0.75, 1, 1.25, 1.5, 2, 2.5, 3, 3.5, 4, 5};
1055 Int_t bins[3] = { 50, 50, nPtBins};
1056 Double_t xmin[3] = { -1., -1., 0};
1057 Double_t xmax[3] = { 1., 1., 5};
1058 fV2Phi = new THnSparseF("fV2Phi", "v2A:v2C:pt", 3, bins, xmin, xmax);
1059 // Set bin limits for axes which are not standard binned
1060 fV2Phi->SetBinEdges(2, binsPt);
1062 fV2Phi->GetAxis(0)->SetTitle("v_{2} (V0A)");
1063 fV2Phi->GetAxis(1)->SetTitle("v_{2} (V0C)");
1064 fV2Phi->GetAxis(2)->SetTitle("p_{T} (GeV/c)");
1065 fOutputList->Add(fV2Phi);
1066 //================================Event Plane with VZERO=====================
1067 Int_t binsV[2] = { 50, 100};
1068 Double_t xminV[2] = { -1., 0};
1069 Double_t xmaxV[2] = { 1., 5};
1070 fV2Phivzerotot = new THnSparseF("fV2Phivzerotot", "v2:pt", 2, binsV, xminV, xmaxV);
1071 // Set bin limits for axes which are not standard binned
1072 //fV2Phivzerotot->SetBinEdges(1, binsPt);
1074 fV2Phivzerotot->GetAxis(0)->SetTitle("v_{2} (V0)");
1075 fV2Phivzerotot->GetAxis(1)->SetTitle("p_{T} (GeV/c)");
1076 fOutputList->Add(fV2Phivzerotot);
1080 //----------------------------------------------------------------------------
1081 //----------------------------------------------------------------------------
1082 // if(fQAPIDSparse){
1083 // Int_t binsQA[4] = { 150, 100, 120, 3};
1084 // Double_t xminQA[4] = { 0., 50, 0, -1.5};
1085 // Double_t xmaxQA[4] = { 15., 150, 1.2, 1.5};
1086 // fQAPid = new THnSparseF("fQAPid", "p:dEdx:beta:ch", 4, binsQA, xminQA, xmaxQA);
1087 // fQAPid->GetAxis(0)->SetTitle("p (Gev/c");
1088 // fQAPid->GetAxis(1)->SetTitle("dE/dx");
1089 // fQAPid->GetAxis(2)->SetTitle("#beta (TOF)");
1090 // fQAPid->GetAxis(3)->SetTitle("charge");
1091 // fOutputList->Add(fQAPid);
1093 //===========================================================================
1094 Int_t binsQA2[3] = { 100, 40, 150/*, 60*/};
1095 Double_t xminQA2[3] = { 0., -2, -15/*, -3*/};
1096 Double_t xmaxQA2[3] = { 5., 2, 15/*, 3*/};
1097 fQAPidSparse = new THnSparseF("fQAPidSparse", "pt:itsnsigma:tpcnsigma", 3, binsQA2, xminQA2, xmaxQA2);
1098 fQAPidSparse->GetAxis(0)->SetTitle("pt (Gev/c)");
1099 fQAPidSparse->GetAxis(1)->SetTitle("itsnsigma");
1100 fQAPidSparse->GetAxis(2)->SetTitle("tpcnsigma");
1101 fOutputList->Add(fQAPidSparse);
1102 //===========================================================================
1103 PostData(1,fOutputList);
1104 // create and post flowevent
1105 fFlowEvent = new AliFlowEvent(10000);
1106 PostData(2, fFlowEvent);
1109 //________________________________________________________________________
1110 void AliAnalysisTaskFlowITSTPCTOFQCSP::Terminate(Option_t *)
1112 // Info("Terminate");
1113 AliAnalysisTaskSE::Terminate();
1115 //_____________________________________________________________________________
1116 template <typename T> void AliAnalysisTaskFlowITSTPCTOFQCSP::PlotVZeroMultiplcities(const T* event) const
1118 // QA multiplicity plots
1119 fVZEROA->Fill(event->GetVZEROData()->GetMTotV0A());
1120 fVZEROC->Fill(event->GetVZEROData()->GetMTotV0C());
1122 //_____________________________________________________________________________
1123 template <typename T> void AliAnalysisTaskFlowITSTPCTOFQCSP::SetNullCuts(T* event)
1126 if (fDebug) cout << " fCutsRP " << fCutsRP << endl;
1127 fCutsRP->SetEvent(event, MCEvent());
1128 fNullCuts->SetParamType(AliFlowTrackCuts::kGlobal);
1129 fNullCuts->SetPtRange(+1, -1); // select nothing QUICK
1130 fNullCuts->SetEtaRange(+1, -1); // select nothing VZERO
1131 fNullCuts->SetEvent(event, MCEvent());
1133 //_____________________________________________________________________________
1134 void AliAnalysisTaskFlowITSTPCTOFQCSP::PrepareFlowEvent(Int_t iMulti, AliFlowEvent *FlowEv) const
1136 //Prepare flow events
1137 FlowEv->ClearFast();
1138 FlowEv->Fill(fCutsRP, fNullCuts);
1139 FlowEv->SetReferenceMultiplicity(iMulti);
1140 FlowEv->DefineDeadZone(0, 0, 0, 0);
1141 // FlowEv->TagSubeventsInEta(-0.7, 0, 0, 0.7);
1143 //_____________________________________________________________________________
1144 Bool_t AliAnalysisTaskFlowITSTPCTOFQCSP::ProcessCutStep(Int_t cutStep, AliVParticle *track)
1146 // Check single track cuts for a given cut step
1147 const Int_t kMCOffset = AliHFEcuts::kNcutStepsMCTrack;
1148 if(!fCFM->CheckParticleCuts(cutStep + kMCOffset, track)) return kFALSE;
1151 //_________________________________________
1152 void AliAnalysisTaskFlowITSTPCTOFQCSP::CheckCentrality(AliAODEvent* event, Bool_t ¢ralitypass)
1154 //============================Multiplicity TPV vs Global===============================================================================
1155 const Int_t nGoodTracks = event->GetNumberOfTracks();
1156 Float_t multTPC(0.); // tpc mult estimate
1157 Float_t multGlob(0.); // global multiplicity
1158 for(Int_t iTracks = 0; iTracks < nGoodTracks; iTracks++) { // fill tpc mult
1159 AliAODTrack* trackAOD = event->GetTrack(iTracks);
1160 if (!trackAOD) continue;
1161 if (!(trackAOD->TestFilterBit(1))) continue;
1162 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;
1165 for(Int_t iTracks = 0; iTracks < nGoodTracks; iTracks++) { // fill global mult
1166 AliAODTrack* trackAOD = event->GetTrack(iTracks);
1167 if (!trackAOD) continue;
1168 if (!(trackAOD->TestFilterBit(16))) continue;
1169 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;
1170 Double_t b[2] = {-99., -99.};
1171 Double_t bCov[3] = {-99., -99., -99.};
1172 if (!(trackAOD->PropagateToDCA(event->GetPrimaryVertex(), event->GetMagneticField(), 100., b, bCov))) continue;
1173 if ((TMath::Abs(b[0]) > 0.3) || (TMath::Abs(b[1]) > 0.3)) continue;
1176 fMultCorBeforeCuts->Fill(multGlob, multTPC);//before all cuts...even before centrality selectrion
1177 //============================================================================================================================
1178 // Check if event is within the set centrality range. Falls back to V0 centrality determination if no method is set
1179 if (!fkCentralityMethod) AliFatal("No centrality method set! FATAL ERROR!");
1180 fCentrality = event->GetCentrality()->GetCentralityPercentile(fkCentralityMethod);
1181 // cout << "--------------Centrality evaluated-------------------------"<<endl;
1182 if ((fCentrality <= fCentralityMin) || (fCentrality > fCentralityMax))
1184 fCentralityNoPass->Fill(fCentrality);
1185 // cout << "--------------Fill no pass-----"<< fCentrality <<"--------------------"<<endl;
1186 centralitypass = kFALSE;
1189 // cout << "--------------Fill pass----"<< fCentrality <<"---------------------"<<endl;
1190 centralitypass = kTRUE;
1192 if (centralitypass){
1193 fMultCorAfterCentrBeforeCuts->Fill(multGlob, multTPC);
1194 fCentralityBeforePileup->Fill(fCentrality);
1195 }//...after centrality selectrion
1196 //============================================================================================================================
1197 //to remove the bias introduced by multeplicity outliers---------------------
1198 Float_t centTrk = event->GetCentrality()->GetCentralityPercentile("TRK");
1199 Float_t centv0 = event->GetCentrality()->GetCentralityPercentile("V0M");
1200 if (TMath::Abs(centv0 - centTrk) > 5.0){
1201 centralitypass = kFALSE;
1202 fCentralityNoPass->Fill(fCentrality);
1204 if (centralitypass){
1205 fMultCorAfterVZTRKComp->Fill(multGlob, multTPC);
1206 fCentralityAfterVZTRK->Fill(fCentrality);
1207 }//...after centrality selectrion
1208 //============================================================================================================================
1210 if(fTrigger==1 || fTrigger==4){
1211 if(! (multTPC > (-36.73 + 1.48*multGlob) && multTPC < (62.87 + 1.78*multGlob))){
1212 // cout <<" Trigger ==" <<fTrigger<< endl;
1213 centralitypass = kFALSE;
1214 fCentralityNoPass->Fill(fCentrality);
1218 if(! (multTPC > (77.9 + 1.395*multGlob) && multTPC < (187.3 + 1.665*multGlob))){
1219 // cout <<" Trigger ==" <<fTrigger<< endl;
1220 centralitypass = kFALSE;
1221 fCentralityNoPass->Fill(fCentrality);
1225 if (centralitypass){
1226 fMultCorAfterCorrCut->Fill(multGlob, multTPC);
1227 fCentralityAfterCorrCut->Fill(fCentrality);
1228 }//...after CORR CUT
1229 //=================================All cuts are passed==================++++==================================================
1230 //=================================Now Centrality flattening for central trigger==================++++==================================================
1231 if(fTrigger==0 || fTrigger==4){
1232 if(!IsEventSelectedForCentrFlattening(fCentrality)){
1233 centralitypass = kFALSE;
1234 fCentralityNoPassForFlattening->Fill(fCentrality);
1237 //==============================fill histo after all cuts==============================++++==================================================
1239 fCentralityPass->Fill(fCentrality);
1240 fMultCorAfterCuts->Fill(multGlob, multTPC);
1241 fMultvsCentr->Fill(fCentrality, multTPC);
1244 //_____________________________________________________________________________
1245 void AliAnalysisTaskFlowITSTPCTOFQCSP::SetCentralityParameters(Double_t CentralityMin, Double_t CentralityMax, const char* CentralityMethod)
1247 // Set a centrality range ]min, max] and define the method to use for centrality selection
1248 fCentralityMin = CentralityMin;
1249 fCentralityMax = CentralityMax;
1250 fkCentralityMethod = CentralityMethod;
1252 //_____________________________________________________________________________
1253 void AliAnalysisTaskFlowITSTPCTOFQCSP::SetIDCuts(Double_t minTOFnSigma, Double_t maxTOFnSigma, Double_t minITSnsigmalowpt, Double_t maxITSnsigmalowpt, Double_t minITSnsigmahighpt, Double_t maxITSnsigmahighpt, Double_t minTPCnsigmalowpt, Double_t maxTPCnsigmalowpt, Double_t minTPCnsigmahighpt, Double_t maxTPCnsigmahighpt)
1256 fminTOFnSigma = minTOFnSigma;
1257 fmaxTOFnSigma = maxTOFnSigma;
1258 fminITSnsigmaLowpT = minITSnsigmalowpt;
1259 fmaxITSnsigmaLowpT = maxITSnsigmalowpt;
1260 fminITSnsigmaHighpT = minITSnsigmahighpt;
1261 fmaxITSnsigmaHighpT = maxITSnsigmahighpt;
1262 fminTPCnsigmaLowpT = minTPCnsigmalowpt;
1263 fmaxTPCnsigmaLowpT = maxTPCnsigmalowpt;
1264 fminTPCnsigmaHighpT = minTPCnsigmahighpt;
1265 fmaxTPCnsigmaHighpT = maxTPCnsigmahighpt;
1268 //_____________________________________________________________________________
1269 //_____________________________________________________________________________
1270 void AliAnalysisTaskFlowITSTPCTOFQCSP::SetpTCuttrack(Double_t ptmin, Double_t ptmax)
1276 //_____________________________________________________________________________
1277 //_____________________________________________________________________________
1278 void AliAnalysisTaskFlowITSTPCTOFQCSP::SetHistoForCentralityFlattening(TH1F *h,Double_t minCentr,Double_t maxCentr,Double_t centrRef,Int_t switchTRand){
1279 // set the histo for centrality flattening
1280 // the centrality is flatten in the range minCentr,maxCentr
1281 // if centrRef is zero, the minimum in h within (minCentr,maxCentr) defines the reference
1282 // positive, the value of h(centrRef) defines the reference (-> the centrality distribution might be not flat in the whole desired range)
1283 // 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)
1284 // 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
1286 if(maxCentr<minCentr){
1287 AliWarning("AliAnalysisCheckCorrdist::Wrong centralities values while setting the histogram for centrality flattening");
1290 if(fHistCentrDistr)delete fHistCentrDistr;
1291 fHistCentrDistr=(TH1F*)h->Clone("hCentralityFlat");
1292 fHistCentrDistr->SetTitle("Reference histo for centrality flattening");
1293 Int_t minbin=fHistCentrDistr->FindBin(minCentr*1.00001); // fast if fix bin width
1294 Int_t maxbin=fHistCentrDistr->FindBin(maxCentr*0.9999);
1295 fHistCentrDistr->GetXaxis()->SetRange(minbin,maxbin);
1296 Double_t ref=0.,bincont=0.,binrefwidth=1.;
1298 if(TMath::Abs(centrRef)<0.0001){
1299 binref=fHistCentrDistr->GetMinimumBin();
1300 binrefwidth=fHistCentrDistr->GetBinWidth(binref);
1301 ref=fHistCentrDistr->GetBinContent(binref)/binrefwidth;
1303 else if(centrRef>0.){
1304 binref=h->FindBin(centrRef);
1305 if(binref<1||binref>h->GetNbinsX()){
1306 AliWarning("AliRDHFCuts::Wrong centrality reference value while setting the histogram for centrality flattening");
1308 binrefwidth=fHistCentrDistr->GetBinWidth(binref);
1309 ref=fHistCentrDistr->GetBinContent(binref)/binrefwidth;
1312 if(centrRef<-1) AliWarning("AliRDHFCuts: with this centrality reference no flattening will be applied");
1313 binref=fHistCentrDistr->GetMaximumBin();
1314 binrefwidth=fHistCentrDistr->GetBinWidth(binref);
1315 ref=fHistCentrDistr->GetMaximum()*TMath::Abs(centrRef)/binrefwidth;
1318 for(Int_t j=1;j<=h->GetNbinsX();j++){// Now set the "probabilities"
1319 if(h->GetBinLowEdge(j)*1.0001>=minCentr&&h->GetBinLowEdge(j+1)*0.9999<=maxCentr){
1320 bincont=h->GetBinContent(j);
1321 fHistCentrDistr->SetBinContent(j,ref/bincont*h->GetBinWidth(j));
1322 fHistCentrDistr->SetBinError(j,h->GetBinError(j)*ref/bincont);
1325 h->SetBinContent(j,1.1);// prob > 1 to assure that events will not be rejected
1329 fHistCentrDistr->SetBinContent(0,switchTRand);
1334 //-------------------------------------------------
1335 Bool_t AliAnalysisTaskFlowITSTPCTOFQCSP::IsEventSelectedForCentrFlattening(Float_t centvalue){
1337 // Random event selection, based on fHistCentrDistr, to flatten the centrality distribution
1338 // Can be faster if it was required that fHistCentrDistr covers
1339 // exactly the desired centrality range (e.g. part of the lines below should be done during the
1340 // setting of the histo) and TH1::SetMinimum called
1343 if(!fHistCentrDistr) return kTRUE;
1344 // Int_t maxbin=fHistCentrDistr->FindBin(fMaxCentrality*0.9999);
1345 // if(maxbin>fHistCentrDistr->GetNbinsX()){
1346 // AliWarning("AliRDHFCuts: The maximum centrality exceeds the x-axis limit of the histogram for centrality flattening");
1349 Int_t bin=fHistCentrDistr->FindBin(centvalue); // Fast if the histo has a fix bin
1350 Double_t bincont=fHistCentrDistr->GetBinContent(bin);
1351 Double_t centDigits=centvalue-(Int_t)(centvalue*100.)/100.;// this is to extract a random number between 0 and 0.01
1353 if(fHistCentrDistr->GetBinContent(0)<-0.9999){
1354 if(gRandom->Uniform(1.)<bincont)return kTRUE;
1358 if(centDigits*100.<bincont)return kTRUE;
1362 //---------------------------------------------------------------------------
1365 //_____________________________________________________________________________