1 // **************************************
2 // Task used for the correction of determiantion of reconstructed jet spectra
3 // Compares input (gen) and output (rec) jets
4 // *******************************************
7 /**************************************************************************
8 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
10 * Author: The ALICE Off-line Project. *
11 * Contributors are mentioned in the code where appropriate. *
13 * Permission to use, copy, modify and distribute this software and its *
14 * documentation strictly for non-commercial purposes is hereby granted *
15 * without fee, provided that the above copyright notice appears in all *
16 * copies and that both the copyright notice and this permission notice *
17 * appear in the supporting documentation. The authors make no claims *
18 * about the suitability of this software for any purpose. It is *
19 * provided "as is" without express or implied warranty. *
20 **************************************************************************/
26 #include <TInterpreter.h>
35 #include <TLorentzVector.h>
36 #include <TClonesArray.h>
37 #include "TDatabasePDG.h"
39 #include "AliAnalysisTaskJetSpectrum2.h"
40 #include "AliAnalysisManager.h"
41 #include "AliJetFinder.h"
42 #include "AliJetHeader.h"
43 #include "AliJetReader.h"
44 #include "AliJetReaderHeader.h"
45 #include "AliUA1JetHeaderV1.h"
46 #include "AliESDEvent.h"
47 #include "AliAODEvent.h"
48 #include "AliAODHandler.h"
49 #include "AliAODTrack.h"
50 #include "AliAODJet.h"
51 #include "AliAODMCParticle.h"
52 #include "AliMCEventHandler.h"
53 #include "AliMCEvent.h"
55 #include "AliGenPythiaEventHeader.h"
56 #include "AliJetKineReaderHeader.h"
57 #include "AliGenCocktailEventHeader.h"
58 #include "AliInputEventHandler.h"
61 #include "AliAnalysisHelperJetTasks.h"
63 ClassImp(AliAnalysisTaskJetSpectrum2)
65 AliAnalysisTaskJetSpectrum2::AliAnalysisTaskJetSpectrum2(): AliAnalysisTaskSE(),
73 fUseGlobalSelection(kFALSE),
74 fUseExternalWeightOnly(kFALSE),
75 fLimitGenJetEta(kFALSE),
78 fTrackTypeRec(kTrackUndef),
79 fTrackTypeGen(kTrackUndef),
91 fh1SumPtTrackRec(0x0),
92 fh1SumPtTrackAreaRec(0x0),
95 for(int i = 0;i < kMaxStep*2;++i){
96 fhnJetContainer[i] = 0;
98 for(int i = 0;i < kMaxJets;++i){
99 fh2PhiPt[i] = fh2PhiEta[i] = fh2FragRec[i] = fh2FragLnRec[i] = fh2FragGen[i] = fh2FragLnGen[i] = 0;
100 fh1PtRecIn[i] = fh1PtGenIn[i] = 0;
105 AliAnalysisTaskJetSpectrum2::AliAnalysisTaskJetSpectrum2(const char* name):
106 AliAnalysisTaskSE(name),
113 fUseAODInput(kFALSE),
114 fUseGlobalSelection(kFALSE),
115 fUseExternalWeightOnly(kFALSE),
116 fLimitGenJetEta(kFALSE),
119 fTrackTypeRec(kTrackUndef),
120 fTrackTypeGen(kTrackUndef),
128 fh1PtHardTrials(0x0),
132 fh1SumPtTrackRec(0x0),
133 fh1SumPtTrackAreaRec(0x0),
137 for(int i = 0;i < kMaxStep*2;++i){
138 fhnJetContainer[i] = 0;
140 for(int i = 0;i < kMaxJets;++i){
141 fh2PhiPt[i] = fh2PhiEta[i] = fh2FragRec[i] = fh2FragLnRec[i] = fh2FragGen[i] = fh2FragLnGen[i] = 0;
142 fh1PtRecIn[i] = fh1PtGenIn[i] = 0;
144 DefineOutput(1, TList::Class());
149 Bool_t AliAnalysisTaskJetSpectrum2::Notify()
152 // Implemented Notify() to read the cross sections
153 // and number of trials from pyxsec.root
156 TTree *tree = AliAnalysisManager::GetAnalysisManager()->GetTree();
157 Float_t xsection = 0;
162 TFile *curfile = tree->GetCurrentFile();
164 Error("Notify","No current file");
167 if(!fh1Xsec||!fh1Trials){
168 Printf("%s%d No Histogram fh1Xsec",(char*)__FILE__,__LINE__);
171 AliAnalysisHelperJetTasks::PythiaInfoFromFile(curfile->GetName(),xsection,ftrials);
172 fh1Xsec->Fill("<#sigma>",xsection);
173 // construct a poor man average trials
174 Float_t nEntries = (Float_t)tree->GetTree()->GetEntries();
175 if(ftrials>=nEntries && nEntries>0.)fAvgTrials = ftrials/nEntries;
180 void AliAnalysisTaskJetSpectrum2::UserCreateOutputObjects()
184 // Create the output container
194 if (fDebug > 1) printf("AnalysisTaskJetSpectrum2::UserCreateOutputObjects() \n");
197 if(!fHistList)fHistList = new TList();
199 Bool_t oldStatus = TH1::AddDirectoryStatus();
200 TH1::AddDirectory(kFALSE);
205 const Int_t nBinPt = 100;
206 Double_t binLimitsPt[nBinPt+1];
207 for(Int_t iPt = 0;iPt <= nBinPt;iPt++){
209 binLimitsPt[iPt] = 0.0;
212 binLimitsPt[iPt] = binLimitsPt[iPt-1] + 1.0;
216 const Int_t nBinPhi = 90;
217 Double_t binLimitsPhi[nBinPhi+1];
218 for(Int_t iPhi = 0;iPhi<=nBinPhi;iPhi++){
220 binLimitsPhi[iPhi] = -0.5*TMath::Pi();
223 binLimitsPhi[iPhi] = binLimitsPhi[iPhi-1] + 1/(Float_t)nBinPhi * TMath::Pi()*2;
229 const Int_t nBinEta = 40;
230 Double_t binLimitsEta[nBinEta+1];
231 for(Int_t iEta = 0;iEta<=nBinEta;iEta++){
233 binLimitsEta[iEta] = -2.0;
236 binLimitsEta[iEta] = binLimitsEta[iEta-1] + 1/(Float_t)nBinEta + 0.1;
240 const Int_t nBinFrag = 25;
243 fh1Xsec = new TProfile("fh1Xsec","xsec from pyxsec.root",1,0,1);
244 fh1Xsec->GetXaxis()->SetBinLabel(1,"<#sigma>");
246 fh1Trials = new TH1F("fh1Trials","trials root file",1,0,1);
247 fh1Trials->GetXaxis()->SetBinLabel(1,"#sum{ntrials}");
249 fh1PtHard = new TH1F("fh1PtHard","PYTHIA Pt hard;p_{T,hard}",nBinPt,binLimitsPt);
250 fh1PtHardNoW = new TH1F("fh1PtHardNoW","PYTHIA Pt hard no weight;p_{T,hard}",nBinPt,binLimitsPt);
251 fh1PtHardTrials = new TH1F("fh1PtHardTrials","PYTHIA Pt hard weight with trials;p_{T,hard}",nBinPt,binLimitsPt);
253 fh1NGenJets = new TH1F("fh1NGenJets","N generated jets",20,-0.5,19.5);
254 fh1NRecJets = new TH1F("fh1NRecJets","N reconstructed jets",20,-0.5,19.5);
256 fh1PtTrackRec = new TH1F("fh1PtTrackRec","Rec track P_T #eta < 0.9;p_{T} (GeV/c)",nBinPt,binLimitsPt);
257 fh1SumPtTrackRec = new TH1F("fh1SumPtTrackRec","Sum Rec track P_T #eta <0.9;p_{T,sum} (GeV/c)",nBinPt,binLimitsPt);
258 fh1SumPtTrackAreaRec = new TH1F("fh1SumPtTrackAreaRec","Sum Rec track P_T #eta <0.9 / 1.8 * 2 * 0.4*0.4;p_{T,sum} (GeV/c)",nBinPt,binLimitsPt);
261 for(int ij = 0;ij < kMaxJets;++ij){
262 fh1PtRecIn[ij] = new TH1F(Form("fh1PtRecIn_j%d",ij),"rec p_T input ;p_{T,rec}",nBinPt,binLimitsPt);
263 fh1PtGenIn[ij] = new TH1F(Form("fh1PtGenIn_j%d",ij),"found p_T input ;p_{T,gen}",nBinPt,binLimitsPt);
265 fh2PhiPt[ij] = new TH2F(Form("fh2PhiPtRec_j%d",ij),"Jet pt vs delta phi;#Delta#phi;p_{T,jet}",
266 nBinPhi,binLimitsPhi,nBinPt,binLimitsPt);
268 fh2PhiEta[ij] = new TH2F(Form("fh2PhiEtaRec_j%d",ij),"delta eta vs delta phi for jets;#Delta#phi;p_{T,jet}",
269 nBinPhi,binLimitsPhi,nBinEta,binLimitsEta);
272 fh2FragRec[ij] = new TH2F(Form("fh2FragRec_j%d",ij),"Jet Fragmentation;x=p_{T,i}/p_{T,jet};p_{T,jet};1/N_{jet}dN_{ch}/dx",
273 nBinFrag,0.,1.,nBinPt,binLimitsPt);
274 fh2FragLnRec[ij] = new TH2F(Form("fh2FragLnRec_j%d",ij),"Jet Fragmentation Ln;#xi=ln(p_{T,jet}/p_{T,i});p_{T,jet}(GeV);1/N_{jet}dN_{ch}/d#xi",
275 nBinFrag,0.,10.,nBinPt,binLimitsPt);
277 fh2FragGen[ij] = new TH2F(Form("fh2FragGen_j%d",ij),"Jet Fragmentation;x=p_{T,i}/p_{T,jet};p_{T,jet};1/N_{jet}dN_{ch}/dx",
278 nBinFrag,0.,1.,nBinPt,binLimitsPt);
279 fh2FragLnGen[ij] = new TH2F(Form("fh2FragLnGen_j%d",ij),"Jet Fragmentation Ln;#xi=ln(p_{T,jet}/p_{T,i});p_{T,jet}(GeV);1/N_{jet}dN_{ch}/d#xi",
280 nBinFrag,0.,10.,nBinPt,binLimitsPt);
284 const Int_t saveLevel = 3; // large save level more histos
286 fHistList->Add(fh1Xsec);
287 fHistList->Add(fh1Trials);
288 fHistList->Add(fh1PtHard);
289 fHistList->Add(fh1PtHardNoW);
290 fHistList->Add(fh1PtHardTrials);
291 fHistList->Add(fh1NGenJets);
292 fHistList->Add(fh1NRecJets);
293 fHistList->Add(fh1PtTrackRec);
294 fHistList->Add(fh1SumPtTrackRec);
295 fHistList->Add(fh1SumPtTrackAreaRec);
296 for(int i = 0;i<kMaxStep*2;++i)fHistList->Add(fhnJetContainer[i]);
297 for(int ij = 0;ij<kMaxJets;++ij){
298 fHistList->Add( fh1PtRecIn[ij]);
299 fHistList->Add( fh1PtGenIn[ij]);
300 fHistList->Add( fh2PhiPt[ij]);
301 fHistList->Add( fh2PhiEta[ij]);
302 fHistList->Add( fh2FragRec[ij]);
303 fHistList->Add( fh2FragLnRec[ij]);
304 fHistList->Add( fh2FragGen[ij]);
305 fHistList->Add( fh2FragLnGen[ij]);
307 fHistList->Add(fhnCorrelation);
310 // =========== Switch on Sumw2 for all histos ===========
311 for (Int_t i=0; i<fHistList->GetEntries(); ++i) {
312 TH1 *h1 = dynamic_cast<TH1*>(fHistList->At(i));
317 THnSparse *hn = dynamic_cast<THnSparse*>(fHistList->At(i));
320 TH1::AddDirectory(oldStatus);
323 void AliAnalysisTaskJetSpectrum2::Init()
329 Printf(">>> AnalysisTaskJetSpectrum2::Init() debug level %d\n",fDebug);
330 if (fDebug > 1) printf("AnalysisTaskJetSpectrum2::Init() \n");
334 void AliAnalysisTaskJetSpectrum2::UserExec(Option_t */*option*/)
337 if(!AliAnalysisHelperJetTasks::Selected()&&fUseGlobalSelection){
338 // no selection by the service task, we continue
339 if (fDebug > 1)Printf("Not selected %s:%d",(char*)__FILE__,__LINE__);
340 PostData(1, fHistList);
345 // Execute analysis for current event
347 AliESDEvent *fESD = 0;
349 fAOD = dynamic_cast<AliAODEvent*>(InputEvent());
351 Printf("%s:%d AODEvent not found in Input Manager %d",(char*)__FILE__,__LINE__,fUseAODInput);
357 // assume that the AOD is in the general output...
360 Printf("%s:%d AODEvent not found in the Output",(char*)__FILE__,__LINE__);
364 fESD = dynamic_cast<AliESDEvent*> (InputEvent());
371 if (fDebug > 1)printf("Analysing event # %5d\n", (Int_t) fEntry);
374 AliAODHandler *aodH = dynamic_cast<AliAODHandler*>(AliAnalysisManager::GetAnalysisManager()->GetOutputEventHandler());
377 Printf("%s:%d no output aodHandler found Jet",(char*)__FILE__,__LINE__);
381 if (fDebug > 10)Printf("%s:%d",(char*)__FILE__,__LINE__);
382 TClonesArray *aodRecJets = dynamic_cast<TClonesArray*>(fAOD->FindListObject(fBranchRec.Data()));
384 Printf("%s:%d no reconstructed Jet array with name %s in AOD",(char*)__FILE__,__LINE__,fBranchRec.Data());
388 // ==== General variables needed
391 // We use statice array, not to fragment the memory
392 AliAODJet genJets[kMaxJets];
394 AliAODJet recJets[kMaxJets];
396 ///////////////////////////
401 Double_t nTrials = 1; // Trials for MC trigger
403 if(fUseExternalWeightOnly){
404 eventW = fExternalWeight;
407 fh1Trials->Fill("#sum{ntrials}",fAvgTrials);
409 if (fDebug > 10)Printf("%s:%d",(char*)__FILE__,__LINE__);
410 if((fAnalysisType&kAnaMCESD)==kAnaMCESD){
411 // this is the part we only use when we have MC information
412 AliMCEvent* mcEvent = MCEvent();
413 // AliStack *pStack = 0;
415 Printf("%s:%d no mcEvent",(char*)__FILE__,__LINE__);
418 AliGenPythiaEventHeader* pythiaGenHeader = AliAnalysisHelperJetTasks::GetPythiaEventHeader(mcEvent);
421 nTrials = pythiaGenHeader->Trials();
422 ptHard = pythiaGenHeader->GetPtHard();
423 int iProcessType = pythiaGenHeader->ProcessType();
425 // 12 f+barf -> f+barf
430 if (fDebug > 10)Printf("%d iProcessType %d",__LINE__, iProcessType);
431 if(fDebug>20)AliAnalysisHelperJetTasks::PrintStack(mcEvent);
433 // fetch the pythia generated jets only to be used here
434 Int_t nPythiaGenJets = pythiaGenHeader->NTriggerJets();
435 AliAODJet pythiaGenJets[kMaxJets];
436 for(int ip = 0;ip < nPythiaGenJets;++ip){
437 if(iCount>=kMaxJets)continue;
439 pythiaGenHeader->TriggerJet(ip,p);
440 pythiaGenJets[iCount].SetPxPyPzE(p[0],p[1],p[2],p[3]);
443 if(pythiaGenJets[iCount].Eta()>fJetHeaderRec->GetJetEtaMax()||
444 pythiaGenJets[iCount].Eta()<fJetHeaderRec->GetJetEtaMin())continue;
448 if(fBranchGen.Length()==0){
449 // if we have MC particles and we do not read from the aod branch
450 // use the pythia jets
451 genJets[iCount].SetPxPyPzE(p[0],p[1],p[2],p[3]);
456 if(fBranchGen.Length()==0)nGenJets = iCount;
457 }// (fAnalysisType&kMCESD)==kMCESD)
460 // we simply fetch the tracks/mc particles as a list of AliVParticles
465 GetListOfTracks(&recParticles,fTrackTypeRec);
466 GetListOfTracks(&genParticles,fTrackTypeGen);
468 if (fDebug > 10)Printf("%s:%d",(char*)__FILE__,__LINE__);
469 fh1PtHard->Fill(ptHard,eventW);
470 fh1PtHardNoW->Fill(ptHard,1);
471 fh1PtHardTrials->Fill(ptHard,nTrials);
473 // If we set a second branch for the input jets fetch this
474 if(fBranchGen.Length()>0){
475 TClonesArray *aodGenJets = dynamic_cast<TClonesArray*>(fAOD->FindListObject(fBranchGen.Data()));
478 for(int ig = 0;ig < aodGenJets->GetEntries();++ig){
479 if(iCount>=kMaxJets)continue;
480 AliAODJet *tmp = dynamic_cast<AliAODJet*>(aodGenJets->At(ig));
483 if(tmp->Eta()>fJetHeaderRec->GetJetEtaMax()||
484 tmp->Eta()<fJetHeaderRec->GetJetEtaMin())continue;
486 genJets[iCount] = *tmp;
492 Printf("%s:%d Generated jet branch %s not found",(char*)__FILE__,__LINE__,fBranchGen.Data());
497 fh1NGenJets->Fill(nGenJets);
498 // We do not want to exceed the maximum jet number
499 nGenJets = TMath::Min(nGenJets,kMaxJets);
501 // Fetch the reconstructed jets...
503 nRecJets = aodRecJets->GetEntries();
508 fh1NRecJets->Fill(nRecJets);
509 nRecJets = TMath::Min(nRecJets,kMaxJets);
511 for(int ir = 0;ir < nRecJets;++ir){
512 AliAODJet *tmp = dynamic_cast<AliAODJet*>(aodRecJets->At(ir));
518 if (fDebug > 10)Printf("%s:%d",(char*)__FILE__,__LINE__);
520 Int_t iGenIndex[kMaxJets]; // Index of the generated jet for i-th rec -1 if none
521 Int_t iRecIndex[kMaxJets]; // Index of the rec jet for i-th gen -1 if none
523 for(int i = 0;i<kMaxJets;++i){
524 iGenIndex[i] = iRecIndex[i] = -1;
528 AliAnalysisHelperJetTasks::GetClosestJets(genJets,nGenJets,recJets,nRecJets,
529 iGenIndex,iRecIndex,fDebug);
530 if (fDebug > 10)Printf("%s:%d",(char*)__FILE__,__LINE__);
533 for(int i = 0;i<kMaxJets;++i){
534 if(iGenIndex[i]>=0)Printf("iGenFound: %d -> %d",i,iGenIndex[i]);
535 if(iRecIndex[i]>=0)Printf("iRecFound: %d -> %d",i,iRecIndex[i]);
542 Double_t container[6];
544 // loop over generated jets
546 // radius; tmp, get from the jet header itself
547 // at some point, how todeal woht FastJet on MC?
548 Float_t radiusGen =0.4;
549 Float_t radiusRec =0.4;
551 for(int ig = 0;ig < nGenJets;++ig){
552 Double_t ptGen = genJets[ig].Pt();
553 Double_t phiGen = genJets[ig].Phi();
554 if(phiGen<0)phiGen+=TMath::Pi()*2.;
555 Double_t etaGen = genJets[ig].Eta();
557 container[3] = ptGen;
558 container[4] = etaGen;
559 container[5] = phiGen;
560 fhnJetContainer[kStep0]->Fill(&container[3],eventW);
561 Int_t ir = iRecIndex[ig];
563 if(TMath::Abs(etaGen)<fRecEtaWindow){
564 fhnJetContainer[kStep1]->Fill(&container[3],eventW);
565 fh1PtGenIn[ig]->Fill(ptGen,eventW);
566 // fill the fragmentation function
567 for(int it = 0;it<genParticles.GetEntries();++it){
568 AliVParticle *part = (AliVParticle*)genParticles.At(it);
569 if(genJets[ig].DeltaR(part)<radiusGen){
570 Float_t z = part->Pt()/ptGen;
571 Float_t lnz = -1.*TMath::Log(z);
572 fh2FragGen[ig]->Fill(z,ptGen,eventW);
573 fh2FragLnGen[ig]->Fill(lnz,ptGen,eventW);
576 if(ir>=0&&ir<nRecJets){
577 fhnJetContainer[kStep3]->Fill(&container[3],eventW);
581 if(ir>=0&&ir<nRecJets){
582 fhnJetContainer[kStep2]->Fill(&container[3],eventW);
583 Double_t etaRec = recJets[ir].Eta();
584 if(TMath::Abs(etaRec)<fRecEtaWindow)fhnJetContainer[kStep4]->Fill(&container[3],eventW);
586 }// loop over generated jets
590 for(int it = 0;it<recParticles.GetEntries();++it){
591 AliVParticle *part = (AliVParticle*)recParticles.At(it);
592 // fill sum pt and P_t of all paritles
593 if(TMath::Abs(part->Eta())<0.9){
594 Float_t pt = part->Pt();
595 fh1PtTrackRec->Fill(pt,eventW);
599 fh1SumPtTrackAreaRec->Fill(sumPt*0.4*0.4/(2.*1.8),eventW);
600 fh1SumPtTrackRec->Fill(sumPt,eventW);
603 // loop over reconstructed jets
604 for(int ir = 0;ir < nRecJets;++ir){
605 Double_t etaRec = recJets[ir].Eta();
606 Double_t ptRec = recJets[ir].Pt();
607 Double_t phiRec = recJets[ir].Phi();
608 if(phiRec<0)phiRec+=TMath::Pi()*2.;
609 container[0] = ptRec;
610 container[1] = etaRec;
611 container[2] = phiRec;
613 if(ptRec>10.&&fDebug>0){
614 // need to cast to int, otherwise the printf overwrites
615 Printf("Jet found in Event %d with p_T, %E",(int)Entry(),ptRec);
616 Printf("%s read event, %d",fInputHandler->GetTree()->GetCurrentFile()->GetName(),fInputHandler->GetTree()->GetReadEntry());
617 fAOD->GetHeader()->Print();
618 Printf("TriggerClasses: %s",fAOD->GetFiredTriggerClasses().Data());
619 for(int it = 0;it < fAOD->GetNumberOfTracks();++it){
620 AliAODTrack *tr = fAOD->GetTrack(it);
621 if((fFilterMask>0)&&!(tr->TestFilterBit(fFilterMask)))continue;
625 AliESDtrack *esdTr = (AliESDtrack*)fESD->GetTrack(tr->GetID());
633 fhnJetContainer[kStep0+kMaxStep]->Fill(container,eventW);
634 if (fDebug > 10)Printf("%s:%d",(char*)__FILE__,__LINE__);
635 if(TMath::Abs(etaRec)<fRecEtaWindow){
636 fhnJetContainer[kStep1+kMaxStep]->Fill(container,eventW);
637 fh1PtRecIn[ir]->Fill(ptRec,eventW);
638 // fill the fragmentation function
639 for(int it = 0;it<recParticles.GetEntries();++it){
640 AliVParticle *part = (AliVParticle*)recParticles.At(it);
641 Float_t eta = part->Eta();
642 if(TMath::Abs(eta)<0.9){
643 Float_t phi = part->Phi();
644 if(phi<0)phi+=TMath::Pi()*2.;
645 Float_t dPhi = phi - phiRec;
646 Float_t dEta = eta - etaRec;
647 if(dPhi<(-1.*TMath::Pi()/2))phiRec+=TMath::Pi()*2.;
648 fh2PhiPt[ir]->Fill(dPhi,ptRec,eventW);
649 fh2PhiEta[ir]->Fill(dPhi,dEta,eventW);
651 if(recJets[ir].DeltaR(part)<radiusRec){
652 Float_t z = part->Pt()/ptRec;
653 Float_t lnz = -1.*TMath::Log(z);
654 fh2FragRec[ir]->Fill(z,ptRec,eventW);
655 fh2FragLnRec[ir]->Fill(lnz,ptRec,eventW);
662 Int_t ig = iGenIndex[ir];
663 if(ig>=0 && ig<nGenJets){
664 fhnJetContainer[kStep2+kMaxStep]->Fill(container,eventW);
665 if (fDebug > 10)Printf("%s:%d ig = %d ir = %d",(char*)__FILE__,__LINE__,ig,ir);
666 Double_t ptGen = genJets[ig].Pt();
667 Double_t phiGen = genJets[ig].Phi();
668 if(phiGen<0)phiGen+=TMath::Pi()*2.;
669 Double_t etaGen = genJets[ig].Eta();
671 container[3] = ptGen;
672 container[4] = etaGen;
673 container[5] = phiGen;
676 // we accept only jets which are detected within a smaller window, to avoid ambigious pair association at the edges of the acceptance
679 if(TMath::Abs(etaGen)<fRecEtaWindow)fhnJetContainer[kStep4+kMaxStep]->Fill(container,eventW);
680 if(TMath::Abs(etaRec)<fRecEtaWindow){
681 fhnJetContainer[kStep3+kMaxStep]->Fill(container,eventW);
682 fhnCorrelation->Fill(container);
683 }// if etarec in window
686 ////////////////////////////////////////////////////
690 }// loop over reconstructed jets
693 if (fDebug > 10)Printf("%s:%d",(char*)__FILE__,__LINE__);
694 if (fDebug > 10)Printf("%s:%d",(char*)__FILE__,__LINE__);
695 PostData(1, fHistList);
699 void AliAnalysisTaskJetSpectrum2::MakeJetContainer(){
701 // Create the particle container for the correction framework manager and
704 const Int_t kNvar = 3 ; //number of variables on the grid:pt,eta, phi
705 const Double_t kPtmin = 5.0, kPtmax = 105.; // we do not want to have empty bins at the beginning...
706 const Double_t kEtamin = -3.0, kEtamax = 3.0;
707 const Double_t kPhimin = 0., kPhimax = 2. * TMath::Pi();
709 // can we neglect migration in eta and phi?
710 // phi should be no problem since we cover full phi and are phi symmetric
711 // eta migration is more difficult due to needed acceptance correction
712 // in limited eta range
715 //arrays for the number of bins in each dimension
717 iBin[0] = 100; //bins in pt
718 iBin[1] = 1; //bins in eta
719 iBin[2] = 1; // bins in phi
721 //arrays for lower bounds :
722 Double_t* binEdges[kNvar];
723 for(Int_t ivar = 0; ivar < kNvar; ivar++)
724 binEdges[ivar] = new Double_t[iBin[ivar] + 1];
726 //values for bin lower bounds
727 // for(Int_t i=0; i<=iBin[0]; i++) binEdges[0][i]=(Double_t)TMath::Power(10,TMath::Log10(kPtmin) + (TMath::Log10(kPtmax)-TMath::Log10(kPtmin))/iBin[0]*(Double_t)i);
728 for(Int_t i=0; i<=iBin[0]; i++) binEdges[0][i]=(Double_t)kPtmin + (kPtmax-kPtmin)/(Double_t)iBin[0]*(Double_t)i;
729 for(Int_t i=0; i<=iBin[1]; i++) binEdges[1][i]=(Double_t)kEtamin + (kEtamax-kEtamin)/iBin[1]*(Double_t)i;
730 for(Int_t i=0; i<=iBin[2]; i++) binEdges[2][i]=(Double_t)kPhimin + (kPhimax-kPhimin)/iBin[2]*(Double_t)i;
733 for(int i = 0;i < kMaxStep*2;++i){
734 fhnJetContainer[i] = new THnSparseF(Form("fhnJetContainer%d",i),Form("THnSparse jet info %d"),kNvar,iBin);
735 for (int k=0; k<kNvar; k++) {
736 fhnJetContainer[i]->SetBinEdges(k,binEdges[k]);
739 //create correlation matrix for unfolding
740 Int_t thnDim[2*kNvar];
741 for (int k=0; k<kNvar; k++) {
742 //first half : reconstructed
745 thnDim[k+kNvar] = iBin[k];
748 fhnCorrelation = new THnSparseF("fhnCorrelation","THnSparse with correlations",2*kNvar,thnDim);
749 for (int k=0; k<kNvar; k++) {
750 fhnCorrelation->SetBinEdges(k,binEdges[k]);
751 fhnCorrelation->SetBinEdges(k+kNvar,binEdges[k]);
753 fhnCorrelation->Sumw2();
755 // Add a histogram for Fake jets
756 // thnDim[3] = AliPID::kSPECIES;
757 // fFakeElectrons = new THnSparseF("fakeEkectrons", "Output for Fake Electrons", kNvar + 1, thnDim);
758 // for(Int_t idim = 0; idim < kNvar; idim++)
759 // fFakeElectrons->SetBinEdges(idim, binEdges[idim]);
762 void AliAnalysisTaskJetSpectrum2::Terminate(Option_t */*option*/)
764 // Terminate analysis
766 if (fDebug > 1) printf("AnalysisJetSpectrum2: Terminate() \n");
770 Int_t AliAnalysisTaskJetSpectrum2::GetListOfTracks(TList *list,Int_t type){
774 if(type==kTrackAODIn||type==kTrackAODOut){
775 AliAODEvent *aod = 0;
776 if(type==kTrackAODIn)aod = dynamic_cast<AliAODEvent*>(InputEvent());
777 else if (type==kTrackAODOut) aod = AODEvent();
781 for(int it = 0;it < aod->GetNumberOfTracks();++it){
782 AliAODTrack *tr = aod->GetTrack(it);
783 if((fFilterMask>0)&&!(tr->TestFilterBit(fFilterMask)))continue;
788 else if (type == kTrackKineAll||type == kTrackKineCharged){
789 AliMCEvent* mcEvent = MCEvent();
790 if(!mcEvent)return iCount;
791 // we want to have alivpartilces so use get track
792 for(int it = 0;it < mcEvent->GetNumberOfTracks();++it){
793 if(!mcEvent->IsPhysicalPrimary(it))continue;
794 AliMCParticle* part = (AliMCParticle*)mcEvent->GetTrack(it);
795 if(type == kTrackKineAll){
799 else if(type == kTrackKineCharged){
800 if(part->Particle()->GetPDG()->Charge()==0)continue;
806 else if (type == kTrackAODMCCharged || type == kTrackAODMCAll ) {
807 AliAODEvent *aod = dynamic_cast<AliAODEvent*>(InputEvent());
808 if(!aod) aod = AODEvent();
809 if(!aod)return iCount;
810 TClonesArray *tca = dynamic_cast<TClonesArray*>(aod->FindListObject(AliAODMCParticle::StdBranchName()));
811 if(!tca)return iCount;
812 for(int it = 0;it < tca->GetEntriesFast();++it){
813 AliAODMCParticle *part = dynamic_cast<AliAODMCParticle*>(tca->At(it));
814 if(!part->IsPhysicalPrimary())continue;
815 if(type == kTrackAODMCAll){
819 else if (type == kTrackAODMCCharged){
820 if(part->Charge()==0)continue;