2 // **************************************
3 // Task used for the correction of determiantion of reconstructed jet spectra
4 // Compares input (gen) and output (rec) jets
5 // *******************************************
8 /**************************************************************************
9 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
11 * Author: The ALICE Off-line Project. *
12 * Contributors are mentioned in the code where appropriate. *
14 * Permission to use, copy, modify and distribute this software and its *
15 * documentation strictly for non-commercial purposes is hereby granted *
16 * without fee, provided that the above copyright notice appears in all *
17 * copies and that both the copyright notice and this permission notice *
18 * appear in the supporting documentation. The authors make no claims *
19 * about the suitability of this software for any purpose. It is *
20 * provided "as is" without express or implied warranty. *
21 **************************************************************************/
27 #include <TInterpreter.h>
36 #include <TLorentzVector.h>
37 #include <TClonesArray.h>
38 #include "TDatabasePDG.h"
40 #include "AliAnalysisTaskJetSpectrum2.h"
41 #include "AliAnalysisManager.h"
42 #include "AliJetFinder.h"
43 #include "AliJetHeader.h"
44 #include "AliJetReader.h"
45 #include "AliJetReaderHeader.h"
46 #include "AliUA1JetHeaderV1.h"
47 #include "AliESDEvent.h"
48 #include "AliAODEvent.h"
49 #include "AliAODHandler.h"
50 #include "AliAODTrack.h"
51 #include "AliAODJet.h"
52 #include "AliAODJetEventBackground.h"
53 #include "AliAODMCParticle.h"
54 #include "AliMCEventHandler.h"
55 #include "AliMCEvent.h"
57 #include "AliGenPythiaEventHeader.h"
58 #include "AliJetKineReaderHeader.h"
59 #include "AliGenCocktailEventHeader.h"
60 #include "AliInputEventHandler.h"
63 #include "AliAnalysisHelperJetTasks.h"
65 ClassImp(AliAnalysisTaskJetSpectrum2)
67 AliAnalysisTaskJetSpectrum2::AliAnalysisTaskJetSpectrum2(): AliAnalysisTaskSE(),
74 fhnCorrelationPhiZRec(0x0),
80 fUseAODJetInput(kFALSE),
81 fUseAODTrackInput(kFALSE),
82 fUseAODMCInput(kFALSE),
83 fUseGlobalSelection(kFALSE),
84 fUseExternalWeightOnly(kFALSE),
85 fLimitGenJetEta(kFALSE),
86 fBkgSubtraction(kFALSE),
90 fEventSelectionMask(0),
92 fTrackTypeRec(kTrackUndef),
93 fTrackTypeGen(kTrackUndef),
97 fJetRecEtaWindow(0.5),
98 fTrackRecEtaWindow(0.5),
101 fDeltaPhiWindow(90./180.*TMath::Pi()),
106 fh1PtHardTrials(0x0),
113 for(int i = 0;i < kMaxStep*2;++i){
114 fhnJetContainer[i] = 0;
117 for(int ij = 0;ij <kJetTypes;++ij){
119 fh1SumPtTrack[ij] = 0;
121 fh1PtTracksIn[ij] = 0;
122 fh1PtTracksLeadingIn[ij] = 0;
124 fh2NTracksPt[ij] = 0;
125 fh2LeadingJetPtJetPhi[ij] = 0;
126 fh2LeadingTrackPtTrackPhi[ij] = 0;
127 for(int i = 0;i < kMaxJets;++i){
130 fh2PhiEta[ij][i] = 0;
137 fh1DijetMinv[ij] = 0;
138 fh2DijetDeltaPhiPt[ij] = 0;
139 fh2DijetAsymPt[ij] = 0;
140 fh2DijetPt2vsPt1[ij] = 0;
141 fh2DijetDifvsSum[ij] = 0;
146 AliAnalysisTaskJetSpectrum2::AliAnalysisTaskJetSpectrum2(const char* name):
147 AliAnalysisTaskSE(name),
154 fhnCorrelationPhiZRec(0x0),
160 fUseAODJetInput(kFALSE),
161 fUseAODTrackInput(kFALSE),
162 fUseAODMCInput(kFALSE),
163 fUseGlobalSelection(kFALSE),
164 fUseExternalWeightOnly(kFALSE),
165 fLimitGenJetEta(kFALSE),
166 fBkgSubtraction(kFALSE),
170 fEventSelectionMask(0),
172 fTrackTypeRec(kTrackUndef),
173 fTrackTypeGen(kTrackUndef),
177 fJetRecEtaWindow(0.5),
178 fTrackRecEtaWindow(0.5),
181 fDeltaPhiWindow(90./180.*TMath::Pi()),
186 fh1PtHardTrials(0x0),
194 for(int i = 0;i < kMaxStep*2;++i){
195 fhnJetContainer[i] = 0;
198 for(int ij = 0;ij <kJetTypes;++ij){
200 fh1SumPtTrack[ij] = 0;
202 fh1PtTracksIn[ij] = 0;
203 fh1PtTracksLeadingIn[ij] = 0;
205 fh2NTracksPt[ij] = 0;
206 fh2LeadingJetPtJetPhi[ij] = 0;
207 fh2LeadingTrackPtTrackPhi[ij] = 0;
208 for(int i = 0;i < kMaxJets;++i){
211 fh2PhiEta[ij][i] = 0;
218 fh1DijetMinv[ij] = 0;
219 fh2DijetDeltaPhiPt[ij] = 0;
220 fh2DijetAsymPt[ij] = 0;
221 fh2DijetPt2vsPt1[ij] = 0;
222 fh2DijetDifvsSum[ij] = 0;
225 DefineOutput(1, TList::Class());
230 Bool_t AliAnalysisTaskJetSpectrum2::Notify()
236 // Implemented Notify() to read the cross sections
237 // and number of trials from pyxsec.root
240 // Fetch the aod also from the input in,
241 // have todo it in notify
244 fAODIn = dynamic_cast<AliAODEvent*>(InputEvent());
245 // assume that the AOD is in the general output...
246 fAODOut = AODEvent();
248 if(fNonStdFile.Length()!=0){
249 // case that we have an AOD extension we need can fetch the jets from the extended output
250 AliAODHandler *aodH = dynamic_cast<AliAODHandler*>(AliAnalysisManager::GetAnalysisManager()->GetOutputEventHandler());
251 fAODExtension = (aodH?aodH->GetExtension(fNonStdFile.Data()):0);
253 if(fDebug>1)Printf("AODExtension found for %s",fNonStdFile.Data());
258 TTree *tree = AliAnalysisManager::GetAnalysisManager()->GetTree();
259 Float_t xsection = 0;
264 TFile *curfile = tree->GetCurrentFile();
266 Error("Notify","No current file");
269 if(!fh1Xsec||!fh1Trials){
270 Printf("%s%d No Histogram fh1Xsec",(char*)__FILE__,__LINE__);
273 AliAnalysisHelperJetTasks::PythiaInfoFromFile(curfile->GetName(),xsection,ftrials);
274 fh1Xsec->Fill("<#sigma>",xsection);
275 // construct a poor man average trials
276 Float_t nEntries = (Float_t)tree->GetTree()->GetEntries();
277 if(ftrials>=nEntries && nEntries>0.)fAvgTrials = ftrials/nEntries;
284 void AliAnalysisTaskJetSpectrum2::UserCreateOutputObjects()
290 if (fDebug > 1) printf("AnalysisTaskJetSpectrum2::UserCreateOutputObjects() \n");
293 if(!fHistList)fHistList = new TList();
294 fHistList->SetOwner(kTRUE);
295 Bool_t oldStatus = TH1::AddDirectoryStatus();
296 TH1::AddDirectory(kFALSE);
300 fHistList->Add(fhnCorrelation);
301 fHistList->Add(fhnCorrelationPhiZRec);
302 for(int i = 0;i<kMaxStep*2;++i)fHistList->Add(fhnJetContainer[i]);
307 const Int_t nBinPt = 320;
308 Double_t binLimitsPt[nBinPt+1];
309 for(Int_t iPt = 0;iPt <= nBinPt;iPt++){
311 binLimitsPt[iPt] = 0.0;
314 binLimitsPt[iPt] = binLimitsPt[iPt-1] + 1.0;
318 const Int_t nBinPhi = 90;
319 Double_t binLimitsPhi[nBinPhi+1];
320 for(Int_t iPhi = 0;iPhi<=nBinPhi;iPhi++){
322 binLimitsPhi[iPhi] = -1.*TMath::Pi();
325 binLimitsPhi[iPhi] = binLimitsPhi[iPhi-1] + 1/(Float_t)nBinPhi * TMath::Pi()*2;
330 const Int_t nBinPhi2 = 360;
331 Double_t binLimitsPhi2[nBinPhi2+1];
332 for(Int_t iPhi2 = 0;iPhi2<=nBinPhi2;iPhi2++){
334 binLimitsPhi2[iPhi2] = 0.;
337 binLimitsPhi2[iPhi2] = binLimitsPhi2[iPhi2-1] + 1/(Float_t)nBinPhi2 * TMath::Pi()*2;
341 const Int_t nBinEta = 40;
342 Double_t binLimitsEta[nBinEta+1];
343 for(Int_t iEta = 0;iEta<=nBinEta;iEta++){
345 binLimitsEta[iEta] = -2.0;
348 binLimitsEta[iEta] = binLimitsEta[iEta-1] + 0.1;
353 fh1Xsec = new TProfile("fh1Xsec","xsec from pyxsec.root",1,0,1);
354 fh1Xsec->GetXaxis()->SetBinLabel(1,"<#sigma>");
355 fHistList->Add(fh1Xsec);
357 fh1Trials = new TH1F("fh1Trials","trials root file",1,0,1);
358 fh1Trials->GetXaxis()->SetBinLabel(1,"#sum{ntrials}");
359 fHistList->Add(fh1Trials);
361 fh1PtHard = new TH1F("fh1PtHard","PYTHIA Pt hard;p_{T,hard}",nBinPt,binLimitsPt);
362 fHistList->Add(fh1PtHard);
364 fh1PtHardNoW = new TH1F("fh1PtHardNoW","PYTHIA Pt hard no weight;p_{T,hard}",nBinPt,binLimitsPt);
365 fHistList->Add(fh1PtHardNoW);
367 fh1PtHardTrials = new TH1F("fh1PtHardTrials","PYTHIA Pt hard weight with trials;p_{T,hard}",nBinPt,binLimitsPt);
368 fHistList->Add(fh1PtHardTrials);
371 fh1ZVtx = new TH1F("fh1ZVtx","z vtx;z_{vtx} (cm)",400,-20,20);
372 fHistList->Add(fh1ZVtx);
374 fh2PtFGen = new TH2F("fh2PtFGen",Form("%s vs. %s;p_{T,gen};p_{T,rec}",fBranchRec.Data(),fBranchGen.Data()),nBinPt,binLimitsPt,nBinPt,binLimitsPt);
375 fHistList->Add(fh2PtFGen);
377 fh2RelPtFGen = new TH2F("fh2RelPtFGen",";p_{T,gen};p_{T,rec}-p_{T,gen}/p_{T,Gen}",nBinPt,binLimitsPt,241,-2.41,2.41);
378 fHistList->Add(fh2RelPtFGen);
381 for(int ij = 0;ij <kJetTypes;++ij){
383 TString cJetBranch = "";
386 cJetBranch = fBranchRec.Data();
388 else if (ij==kJetGen){
390 cJetBranch = fBranchGen.Data();
392 else if (ij==kJetRecFull){
394 cJetBranch = fBranchRec.Data();
396 else if (ij==kJetGenFull){
398 cJetBranch = fBranchGen.Data();
401 fh1NJets[ij] =new TH1F(Form("fh1N%sJets",cAdd.Data()),Form("N %s jets",cAdd.Data()),50,-0.5,49.5);
402 fHistList->Add(fh1NJets[ij]);
404 fh1PtJetsIn[ij] = new TH1F(Form("fh1PtJets%sIn",cAdd.Data()),Form("%s jets p_T;p_{T} (GeV/c)",cAdd.Data()),nBinPt,binLimitsPt);
405 fHistList->Add(fh1PtJetsIn[ij]);
407 fh1PtTracksIn[ij] = new TH1F(Form("fh1PtTracks%sIn",cAdd.Data()),Form("%s track p_T;p_{T} (GeV/c)",cAdd.Data()),nBinPt,binLimitsPt);
408 fHistList->Add(fh1PtTracksIn[ij]);
410 fh1PtTracksLeadingIn[ij] = new TH1F(Form("fh1PtTracksLeading%sIn",cAdd.Data()),Form("%s track p_T;p_{T} (GeV/c)",cAdd.Data()),nBinPt,binLimitsPt);
411 fHistList->Add(fh1PtTracksLeadingIn[ij]);
413 fh1SumPtTrack[ij] = new TH1F(Form("fh1SumPtTrack%s",cAdd.Data()),Form("Sum %s track p_T;p_{T} (GeV/c)",cAdd.Data()),nBinPt,binLimitsPt);
414 fHistList->Add(fh1SumPtTrack[ij]);
416 fh2NJetsPt[ij] = new TH2F(Form("fh2N%sJetsPt",cAdd.Data()),Form("Number of %s jets above threshhold;p_{T,cut} (GeV/c);N_{jets}",cAdd.Data()),nBinPt,binLimitsPt,50,-0.5,49.5);
417 fHistList->Add(fh2NJetsPt[ij]);
419 fh2NTracksPt[ij] = new TH2F(Form("fh2N%sTracksPt",cAdd.Data()),Form("Number of %s tracks above threshhold;p_{T,cut} (GeV/c);N_{tracks}",cAdd.Data()),nBinPt,binLimitsPt,1000,0.,4000);
420 fHistList->Add(fh2NTracksPt[ij]);
422 fh2LeadingJetPtJetPhi[ij] = new TH2F(Form("fh2Leading%sJetPtJetPhi",cAdd.Data()),Form("phi of leading %s jet;p_{T};#phi;",cAdd.Data()),
423 nBinPt,binLimitsPt,nBinPhi,binLimitsPhi);
424 fHistList->Add(fh2LeadingJetPtJetPhi[ij]);
426 fh2LeadingTrackPtTrackPhi[ij] = new TH2F(Form("fh2Leading%sTrackPtTrackPhi",cAdd.Data()),Form("phi of leading %s track;p_{T};#phi;",cAdd.Data()),
427 nBinPt,binLimitsPt,nBinPhi,binLimitsPhi);
428 fHistList->Add(fh2LeadingTrackPtTrackPhi[ij]);
430 for(int i = 0;i < kMaxJets;++i){
432 fh1PtIn[ij][i] = new TH1F(Form("fh1Pt%sIn_j%d",cAdd.Data(),i),Form("%s p_T input ;p_{T}",cAdd.Data()),nBinPt,binLimitsPt);
433 fHistList->Add(fh1PtIn[ij][i]);
435 fh2RhoPt[ij][i] = new TH2F(Form("fh2RhoPt%s_j%d",cAdd.Data(),i),Form("jet shape rho for %s jets;r;p_{T};",cAdd.Data()),
436 40,0.,2.,nBinPt,binLimitsPt);
437 fHistList->Add(fh2RhoPt[ij][i]);
438 if(!fh1TmpRho)fh1TmpRho = new TH1F("fh1TmpRho","tmp histo for jet shape",40,0.,2);
441 fh2PsiPt[ij][i] = new TH2F(Form("fh2PsiPt%s_j%d",cAdd.Data(),i),Form("jet shape #psi for %s jets;r;p_{T};",cAdd.Data()),
442 40,0.,2.,nBinPt,binLimitsPt);
443 fHistList->Add(fh2PsiPt[ij][i]);
445 fh2PhiPt[ij][i] = new TH2F(Form("fh2PhiPt%s_j%d",cAdd.Data(),i),Form("pt vs phi %s;phi;p_{T};",cAdd.Data()),
446 nBinPhi,binLimitsPhi,nBinPt,binLimitsPt);
447 fHistList->Add(fh2PhiPt[ij][i]);
448 fh2EtaPt[ij][i] = new TH2F(Form("fh2EtaPt%s_j%d",cAdd.Data(),i),Form("pt vs phi %s;phi;p_{T};",cAdd.Data()),
449 20,-1.,1.,nBinPt,binLimitsPt);
450 fHistList->Add(fh2EtaPt[ij][i]);
451 fh2PhiEta[ij][i] = new TH2F(Form("fh2PhiEta%s_j%d",cAdd.Data(),i),Form("phi vs eta %s ;phi;p_{T};",cAdd.Data()),
452 nBinPhi,binLimitsPhi,20,-1.,1.);
453 fHistList->Add(fh2PhiEta[ij][i]);
458 fh1DijetMinv[ij] = new TH1F(Form("fh1Dijet%sMinv",cAdd.Data()),"Dijet invariant mass;m_{JJ}",nBinPt,binLimitsPt);
459 fHistList->Add(fh1DijetMinv[ij]);
461 fh2DijetDeltaPhiPt[ij] = new TH2F(Form("fh2Dijet%sDeltaPhiPt",cAdd.Data()),"Difference in the azimuthal angle;#Delta#phi;p_{T,2};Entries",180,0.,TMath::Pi(),nBinPt,binLimitsPt);
462 fHistList->Add(fh2DijetDeltaPhiPt[ij]);
464 fh2DijetAsymPt[ij] = new TH2F(Form("fh2Dijet%sAsym",cAdd.Data()),"Pt asymmetry;#Deltap_{T}/(p_{T,1}+p_{T,2});p_{T,1};Entries",50,0.,1.,nBinPt,binLimitsPt);
465 fHistList->Add(fh2DijetAsymPt[ij]);
467 fh2DijetPt2vsPt1[ij] = new TH2F(Form("fh2Dijet%sPt2vsPt1",cAdd.Data()),"Pt2 versus Pt1;p_{T,1} (GeV/c);p_{T,2} (GeV/c)",250,0.,250.,250,0.,250.);
468 fHistList->Add(fh2DijetPt2vsPt1[ij]);
470 fh2DijetDifvsSum[ij] = new TH2F(Form("fh2Dijet%sDifvsSum",cAdd.Data()),"Pt difference vs Pt sum;p_{T,1}+p_{T,2} (GeV/c);#Deltap_{T} (GeV/c)",400,0.,400.,150,0.,150.);
471 fHistList->Add( fh2DijetDifvsSum[ij]);
474 // =========== Switch on Sumw2 for all histos ===========
475 for (Int_t i=0; i<fHistList->GetEntries(); ++i) {
476 TH1 *h1 = dynamic_cast<TH1*>(fHistList->At(i));
481 THnSparse *hn = dynamic_cast<THnSparse*>(fHistList->At(i));
484 TH1::AddDirectory(oldStatus);
487 void AliAnalysisTaskJetSpectrum2::Init()
493 if (fDebug > 1) printf("AnalysisTaskJetSpectrum2::Init() \n");
497 void AliAnalysisTaskJetSpectrum2::UserExec(Option_t */*option*/){
500 Bool_t selected = kTRUE;
502 if(fUseGlobalSelection&&fEventSelectionMask==0){
503 selected = AliAnalysisHelperJetTasks::Selected();
505 else if(fUseGlobalSelection&&fEventSelectionMask>0){
506 selected = AliAnalysisHelperJetTasks::TestSelectInfo(fEventSelectionMask);
510 selected = selected&&(AliAnalysisHelperJetTasks::EventClass()==fEventClass);
514 // no selection by the service task, we continue
515 if (fDebug > 1)Printf("Not selected %s:%d SelectInfo %d Class %d",(char*)__FILE__,__LINE__, AliAnalysisHelperJetTasks::Selected(),AliAnalysisHelperJetTasks::EventClass());
516 PostData(1, fHistList);
521 static AliAODEvent* aod = 0;
523 // take all other information from the aod we take the tracks from
525 if(fUseAODTrackInput)aod = fAODIn;
531 // Execute analysis for current event
533 if (fDebug > 1)printf("Analysing event # %5d\n", (Int_t) fEntry);
534 AliAODHandler *aodH = dynamic_cast<AliAODHandler*>(AliAnalysisManager::GetAnalysisManager()->GetOutputEventHandler());
536 Printf("%s:%d no output aodHandler found Jet",(char*)__FILE__,__LINE__);
540 if (fDebug > 10)Printf("%s:%d",(char*)__FILE__,__LINE__);
541 TClonesArray *aodRecJets = 0;
543 if(fAODOut&&!aodRecJets){
544 aodRecJets = dynamic_cast<TClonesArray*>(fAODOut->FindListObject(fBranchRec.Data()));
546 if(fAODExtension&&!aodRecJets){
547 aodRecJets = dynamic_cast<TClonesArray*>(fAODExtension->GetAOD()->FindListObject(fBranchRec.Data()));
549 if(fAODIn&&!aodRecJets){
550 aodRecJets = dynamic_cast<TClonesArray*>(fAODIn->FindListObject(fBranchRec.Data()));
556 Printf("%s:%d no reconstructed Jet array with name %s in AOD",(char*)__FILE__,__LINE__,fBranchRec.Data());
560 TClonesArray *aodGenJets = 0;
561 if(fBranchGen.Length()>0){
562 if(fAODOut&&!aodGenJets){
563 aodGenJets = dynamic_cast<TClonesArray*>(fAODOut->FindListObject(fBranchGen.Data()));
565 if(fAODExtension&&!aodGenJets){
566 aodGenJets = dynamic_cast<TClonesArray*>(fAODExtension->GetAOD()->FindListObject(fBranchGen.Data()));
568 if(fAODIn&&!aodGenJets){
569 aodGenJets = dynamic_cast<TClonesArray*>(fAODIn->FindListObject(fBranchGen.Data()));
573 Printf("%s:%d no generated Jet array with name %s in AOD",(char*)__FILE__,__LINE__,fBranchGen.Data());
580 // first fill all the pure histograms, i.e. full jets
581 // in case of the correaltion limit to the n-leading jets
589 // second fill the correlation histograms, here we limit to the n-th leading jet in case of the reconstructed
592 TList genJetsList; // full acceptance
593 TList genJetsListCut; // acceptance cut
594 TList recJetsList; // full acceptance
595 TList recJetsListCut; // acceptance cut
598 GetListOfJets(&recJetsList,aodRecJets,0);
599 GetListOfJets(&recJetsListCut,aodRecJets,1);
601 if(fBranchGen.Length()>0){
602 GetListOfJets(&genJetsList,aodGenJets,0);
603 GetListOfJets(&genJetsListCut,aodGenJets,1);
608 Double_t nTrials = 1; // Trials for MC trigger
609 fh1Trials->Fill("#sum{ntrials}",fAvgTrials);
611 if((fAnalysisType&kAnaMCESD)==kAnaMCESD){
612 // this is the part we only use when we have MC information
613 AliMCEvent* mcEvent = MCEvent();
614 // AliStack *pStack = 0;
616 Printf("%s:%d no mcEvent",(char*)__FILE__,__LINE__);
619 AliGenPythiaEventHeader* pythiaGenHeader = AliAnalysisHelperJetTasks::GetPythiaEventHeader(mcEvent);
621 nTrials = pythiaGenHeader->Trials();
622 ptHard = pythiaGenHeader->GetPtHard();
623 int iProcessType = pythiaGenHeader->ProcessType();
625 // 12 f+barf -> f+barf
630 if (fDebug > 10)Printf("%d iProcessType %d",__LINE__, iProcessType);
631 if(fDebug>20)AliAnalysisHelperJetTasks::PrintStack(mcEvent);
633 }// (fAnalysisType&kMCESD)==kMCESD)
636 // we simply fetch the tracks/mc particles as a list of AliVParticles
641 Int_t nT = GetListOfTracks(&recParticles,fTrackTypeRec);
642 if(fDebug>2)Printf("%s:%d Selected Rec tracks: %d %d",(char*)__FILE__,__LINE__,nT,recParticles.GetEntries());
643 nT = GetListOfTracks(&genParticles,fTrackTypeGen);
644 if(fDebug>2)Printf("%s:%d Selected Gen tracks: %d %d",(char*)__FILE__,__LINE__,nT,genParticles.GetEntries());
646 // Event control and counting ...
648 fh1PtHard->Fill(ptHard,eventW);
649 fh1PtHardNoW->Fill(ptHard,1);
650 fh1PtHardTrials->Fill(ptHard,nTrials);
653 if(aod->GetPrimaryVertex()){// No vtx for pure MC
654 fh1ZVtx->Fill(aod->GetPrimaryVertex()->GetZ());
660 // the loops for rec and gen should be indentical... pass it to a separate
667 FillJetHistos(recJetsListCut,recParticles,kJetRec);
668 FillJetHistos(recJetsList,recParticles,kJetRecFull);
669 FillTrackHistos(recParticles,kJetRec);
671 FillJetHistos(genJetsListCut,genParticles,kJetGen);
672 FillJetHistos(genJetsList,genParticles,kJetGenFull);
673 FillTrackHistos(genParticles,kJetGen);
675 // Here follows the jet matching part
676 // delegate to a separated method?
678 FillMatchHistos(recJetsList,genJetsList);
680 if (fDebug > 10)Printf("%s:%d",(char*)__FILE__,__LINE__);
681 PostData(1, fHistList);
684 void AliAnalysisTaskJetSpectrum2::FillJetHistos(TList &jetsList,TList &particlesList,Int_t iType){
686 if(iType>=kJetTypes){
690 Int_t nJets = jetsList.GetEntries();
691 fh1NJets[iType]->Fill(nJets);
695 Float_t ptOld = 1.E+32;
704 for(int ij = 0;ij < nJets;ij++){
705 AliAODJet *jet = (AliAODJet*)jetsList.At(ij);
706 Float_t ptJet = jet->Pt();
707 fh1PtJetsIn[iType]->Fill(ptJet);
709 Printf("%s:%d Jets Type %d Not Sorted !! %d:%.3E %d:%.3E",(char*)__FILE__,__LINE__,iType,ij,ptJet,ij-1,ptOld);
713 // find the dijets assume sorting and acceptance cut...
718 if(phi0<0)phi0+=TMath::Pi()*2.;
721 // take only the backward hemisphere??
723 if(phi1<0)phi1+=TMath::Pi()*2.;
724 Float_t dPhi = phi1 - phi0;
725 if(dPhi>TMath::Pi())dPhi = dPhi - 2.*TMath::Pi();
726 if(dPhi<(-1.*TMath::Pi()))dPhi = dPhi + 2.*TMath::Pi();
727 if(TMath::Abs(TMath::Pi()-dPhi)<fDeltaPhiWindow){
732 // fill jet histos for kmax jets
734 Float_t phiJet = jet->Phi();
735 Float_t etaJet = jet->Eta();
736 if(phiJet<0)phiJet+=TMath::Pi()*2.;
738 fh1PtIn[iType][ij]->Fill(ptJet);
739 // fill leading jets...
740 if(ptJet>10)fh2PhiEta[iType][ij]->Fill(phiJet,etaJet);
741 fh2PhiPt[iType][ij]->Fill(phiJet,ptJet);
742 fh2EtaPt[iType][ij]->Fill(etaJet,ptJet);
744 fh2LeadingJetPtJetPhi[iType]->Fill(ptJet,phiJet);
745 if(ij==0&&iType==0&&fDebug>1){
746 Printf("%d %3.3f %p %s",iType,ptJet,jet,fBranchRec.Data());
749 if(particlesList.GetSize()){
751 // Particles... correlated with jets...
752 for(int it = 0;it<particlesList.GetEntries();++it){
753 AliVParticle *part = (AliVParticle*)particlesList.At(it);
754 Float_t deltaR = jet->DeltaR(part);
755 if(ptJet>0)fh1TmpRho->Fill(deltaR,part->Pt()/ptJet);
757 // fill the jet shapes
759 for(int ibx = 1;ibx<=fh2RhoPt[iType][ij]->GetNbinsX();ibx++){
760 Float_t r = fh2RhoPt[iType][ij]->GetXaxis()->GetBinCenter(ibx);
761 Float_t rho = fh1TmpRho->GetBinContent(ibx);
763 fh2RhoPt[iType][ij]->Fill(r,ptJet,rho);
764 fh2PsiPt[iType][ij]->Fill(r,ptJet,rhoSum);
766 }// if we have particles
771 // do something with dijets...
773 AliAODJet *jet0 = (AliAODJet*)jetsList.At(ij0);
774 Double_t ptJet0 = jet0->Pt();
775 Double_t phiJet0 = jet0->Phi();
776 if(phiJet0<0)phiJet0+=TMath::Pi()*2.;
778 AliAODJet *jet1 = (AliAODJet*)jetsList.At(ij1);
779 Double_t ptJet1 = jet1->Pt();
780 Double_t phiJet1 = jet1->Phi();
781 if(phiJet1<0)phiJet1+=TMath::Pi()*2.;
783 Float_t deltaPhi = phiJet0 - phiJet1;
784 if(deltaPhi>TMath::Pi())deltaPhi = deltaPhi - 2.*TMath::Pi();
785 if(deltaPhi<(-1.*TMath::Pi()))deltaPhi = deltaPhi + 2.*TMath::Pi();
786 deltaPhi = TMath::Abs(deltaPhi);
787 fh2DijetDeltaPhiPt[iType]->Fill(deltaPhi,ptJet1);
790 if((ptJet0+ptJet1)>0)asym = (ptJet0-ptJet1)/(ptJet0+ptJet1);
791 fh2DijetAsymPt[iType]->Fill(asym,ptJet0);
792 fh2DijetPt2vsPt1[iType]->Fill(ptJet0,ptJet1);
793 fh2DijetDifvsSum[iType]->Fill(ptJet0+ptJet1,ptJet0-ptJet1);
794 Float_t minv = 2.*(jet0->P()*jet1->P()-
795 jet0->Px()*jet1->Px()-
796 jet0->Py()*jet1->Py()-
797 jet0->Pz()*jet1->Pz()); // assume mass == 0;
798 if(minv<0)minv=0; // prevent numerical instabilities
799 minv = TMath::Sqrt(minv);
800 fh1DijetMinv[iType]->Fill(minv);
805 // count down the jets above thrueshold
808 TIterator *jetIter = jetsList.MakeIterator();
809 AliAODJet *tmpJet = (AliAODJet*)(jetIter->Next());
811 Float_t pt = tmpJet->Pt();
812 for(int i = 1;i <= fh2NJetsPt[iType]->GetNbinsX();i++){
813 Float_t ptCut = fh2NJetsPt[iType]->GetXaxis()->GetBinCenter(i);
814 while(pt<ptCut&&tmpJet){
816 tmpJet = (AliAODJet*)(jetIter->Next());
822 fh2NJetsPt[iType]->Fill(ptCut,nOver);
829 void AliAnalysisTaskJetSpectrum2::FillTrackHistos(TList &particlesList,int iType){
831 Int_t nTrackOver = particlesList.GetSize();
832 // do the same for tracks and jets
834 TIterator *trackIter = particlesList.MakeIterator();
835 AliVParticle *tmpTrack = (AliVParticle*)(trackIter->Next());
836 Float_t pt = tmpTrack->Pt();
837 for(int i = 1;i <= fh2NTracksPt[iType]->GetNbinsX();i++){
838 Float_t ptCut = fh2NTracksPt[iType]->GetXaxis()->GetBinCenter(i);
839 while(pt<ptCut&&tmpTrack){
841 tmpTrack = (AliVParticle*)(trackIter->Next());
846 if(nTrackOver<=0)break;
847 fh2NTracksPt[iType]->Fill(ptCut,nTrackOver);
852 AliVParticle *leading = (AliVParticle*)particlesList.At(0);
855 while((tmpTrack = (AliVParticle*)(trackIter->Next()))){
856 Float_t tmpPt = tmpTrack->Pt();
857 fh1PtTracksIn[iType]->Fill(tmpPt);
859 Float_t tmpPhi = tmpTrack->Phi();
860 if(tmpPhi<0)tmpPhi+=TMath::Pi()*2.;
861 if(tmpTrack==leading){
862 fh1PtTracksLeadingIn[iType]->Fill(tmpPt);
863 fh2LeadingTrackPtTrackPhi[iType]->Fill(tmpPt,tmpPhi);
867 fh1SumPtTrack[iType]->Fill(sumPt);
874 void AliAnalysisTaskJetSpectrum2::FillMatchHistos(TList &recJetsList,TList &genJetsList){
877 // Fill al the matching histos
878 // It is important that the acceptances for the mathing are as large as possible
879 // to avoid false matches on the edge of acceptance
880 // therefore we add some extra matching jets as overhead
882 static TArrayI aGenIndex(recJetsList.GetEntries());
883 if(aGenIndex.GetSize()<recJetsList.GetEntries())aGenIndex.Set(recJetsList.GetEntries());
885 static TArrayI aRecIndex(genJetsList.GetEntries());
886 if(aRecIndex.GetSize()<genJetsList.GetEntries())aRecIndex.Set(genJetsList.GetEntries());
889 Printf("New Gens List %d rec index Array %d",genJetsList.GetEntries(),aRecIndex.GetSize());
890 Printf("New Rec List %d gen indey Array %d",recJetsList.GetEntries(),aGenIndex.GetSize());
892 AliAnalysisHelperJetTasks::GetClosestJets(&genJetsList,TMath::Min((Int_t)fNMatchJets,(Int_t)genJetsList.GetEntries()),
893 &recJetsList,TMath::Min((Int_t)fNMatchJets,(Int_t)recJetsList.GetEntries()),
894 aGenIndex,aRecIndex,fDebug);
897 for(int i = 0;i< aGenIndex.GetSize();++i){
898 if(aGenIndex[i]>=0)Printf("iGenFound: %d -> %d",i,aGenIndex[i]);
900 for(int i = 0;i< aRecIndex.GetSize();++i){
901 if(aRecIndex[i]>=0)Printf("iRecFound: %d -> %d",i,aRecIndex[i]);
905 Double_t container[6];
906 Double_t containerPhiZ[6];
908 // loop over generated jets
910 for(int ig = 0;ig < genJetsList.GetEntries();++ig){
911 AliAODJet *genJet = (AliAODJet*)genJetsList.At(ig);
912 Double_t ptGen = genJet->Pt();
913 Double_t phiGen = genJet->Phi();
914 if(phiGen<0)phiGen+=TMath::Pi()*2.;
915 Double_t etaGen = genJet->Eta();
916 container[3] = ptGen;
917 container[4] = etaGen;
918 container[5] = phiGen;
919 fhnJetContainer[kStep0]->Fill(&container[3]);
920 if(JetSelected(genJet)){
921 fhnJetContainer[kStep1]->Fill(&container[3]);
922 Int_t ir = aRecIndex[ig];
923 if(ir>=0&&ir<recJetsList.GetEntries()){
924 fhnJetContainer[kStep2]->Fill(&container[3]);
925 AliAODJet* recJet = (AliAODJet*)recJetsList.At(ir);
926 if(JetSelected(recJet))fhnJetContainer[kStep4]->Fill(&container[3]);
927 if(JetSelected(recJet))fhnJetContainer[kStep3]->Fill(&container[3]);
930 }// loop over generated jets used for matching...
934 // loop over reconstructed jets
935 for(int ir = 0;ir < recJetsList.GetEntries();++ir){
936 AliAODJet *recJet = (AliAODJet*)recJetsList.At(ir);
937 Double_t etaRec = recJet->Eta();
938 Double_t ptRec = recJet->Pt();
939 Double_t phiRec = recJet->Phi();
940 if(phiRec<0)phiRec+=TMath::Pi()*2.;
941 // do something with dijets...
943 container[0] = ptRec;
944 container[1] = etaRec;
945 container[2] = phiRec;
946 containerPhiZ[0] = ptRec;
947 containerPhiZ[1] = phiRec;
949 fhnJetContainer[kStep0+kMaxStep]->Fill(container);
950 if (fDebug > 10)Printf("%s:%d",(char*)__FILE__,__LINE__);
952 if(JetSelected(recJet)){
953 fhnJetContainer[kStep1+kMaxStep]->Fill(container);
955 Int_t ig = aGenIndex[ir];
956 if(ig>=0 && ig<genJetsList.GetEntries()){
957 fhnJetContainer[kStep2+kMaxStep]->Fill(container);
958 if (fDebug > 10)Printf("%s:%d ig = %d ir = %d",(char*)__FILE__,__LINE__,ig,ir);
959 AliAODJet *genJet = (AliAODJet*)genJetsList.At(ig);
960 Double_t ptGen = genJet->Pt();
961 Double_t phiGen = genJet->Phi();
962 if(phiGen<0)phiGen+=TMath::Pi()*2.;
963 Double_t etaGen = genJet->Eta();
965 container[3] = ptGen;
966 container[4] = etaGen;
967 container[5] = phiGen;
968 containerPhiZ[3] = ptGen;
970 // we accept only jets which are detected within a smaller window, to avoid ambigious pair association at the edges of the acceptance
972 if(JetSelected(genJet))fhnJetContainer[kStep4+kMaxStep]->Fill(container);
973 fhnJetContainer[kStep3+kMaxStep]->Fill(container);
974 fhnCorrelation->Fill(container);
976 Float_t delta = (ptRec-ptGen)/ptGen;
977 fh2RelPtFGen->Fill(ptGen,delta);
978 fh2PtFGen->Fill(ptGen,ptRec);
980 if(fhnCorrelationPhiZRec)fhnCorrelationPhiZRec->Fill(containerPhiZ);
983 containerPhiZ[3] = 0;
984 if(fhnCorrelationPhiZRec)fhnCorrelationPhiZRec->Fill(containerPhiZ);
986 }// loop over reconstructed jets
988 if (fDebug > 10)Printf("%s:%d",(char*)__FILE__,__LINE__);
992 void AliAnalysisTaskJetSpectrum2::MakeJetContainer(){
994 // Create the particle container for the correction framework manager and
997 const Int_t kNvar = 3 ; //number of variables on the grid:pt,eta, phi
998 const Double_t kPtmin = 0.0, kPtmax = 320.; // we do not want to have empty bins at the beginning...
999 const Double_t kEtamin = -3.0, kEtamax = 3.0;
1000 const Double_t kPhimin = 0., kPhimax = 2. * TMath::Pi();
1001 const Double_t kZmin = 0., kZmax = 1;
1003 // can we neglect migration in eta and phi?
1004 // phi should be no problem since we cover full phi and are phi symmetric
1005 // eta migration is more difficult due to needed acceptance correction
1006 // in limited eta range
1008 //arrays for the number of bins in each dimension
1010 iBin[0] = 320; //bins in pt
1011 iBin[1] = 1; //bins in eta
1012 iBin[2] = 1; // bins in phi
1014 //arrays for lower bounds :
1015 Double_t* binEdges[kNvar];
1016 for(Int_t ivar = 0; ivar < kNvar; ivar++)
1017 binEdges[ivar] = new Double_t[iBin[ivar] + 1];
1019 //values for bin lower bounds
1020 // 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);
1021 for(Int_t i=0; i<=iBin[0]; i++) binEdges[0][i]=(Double_t)kPtmin + (kPtmax-kPtmin)/(Double_t)iBin[0]*(Double_t)i;
1022 for(Int_t i=0; i<=iBin[1]; i++) binEdges[1][i]=(Double_t)kEtamin + (kEtamax-kEtamin)/iBin[1]*(Double_t)i;
1023 for(Int_t i=0; i<=iBin[2]; i++) binEdges[2][i]=(Double_t)kPhimin + (kPhimax-kPhimin)/iBin[2]*(Double_t)i;
1026 for(int i = 0;i < kMaxStep*2;++i){
1027 fhnJetContainer[i] = new THnSparseF(Form("fhnJetContainer%d",i),Form("THnSparse jet info %d",i),kNvar,iBin);
1028 for (int k=0; k<kNvar; k++) {
1029 fhnJetContainer[i]->SetBinEdges(k,binEdges[k]);
1032 //create correlation matrix for unfolding
1033 Int_t thnDim[2*kNvar];
1034 for (int k=0; k<kNvar; k++) {
1035 //first half : reconstructed
1037 thnDim[k] = iBin[k];
1038 thnDim[k+kNvar] = iBin[k];
1041 fhnCorrelation = new THnSparseF("fhnCorrelation","THnSparse with correlations",2*kNvar,thnDim);
1042 for (int k=0; k<kNvar; k++) {
1043 fhnCorrelation->SetBinEdges(k,binEdges[k]);
1044 fhnCorrelation->SetBinEdges(k+kNvar,binEdges[k]);
1046 fhnCorrelation->Sumw2();
1048 // for second correlation histogram
1051 const Int_t kNvarPhiZ = 4;
1052 //arrays for the number of bins in each dimension
1053 Int_t iBinPhiZ[kNvarPhiZ];
1054 iBinPhiZ[0] = 80; //bins in pt
1055 iBinPhiZ[1] = 72; //bins in phi
1056 iBinPhiZ[2] = 20; // bins in Z
1057 iBinPhiZ[3] = 80; //bins in ptgen
1059 //arrays for lower bounds :
1060 Double_t* binEdgesPhiZ[kNvarPhiZ];
1061 for(Int_t ivar = 0; ivar < kNvarPhiZ; ivar++)
1062 binEdgesPhiZ[ivar] = new Double_t[iBinPhiZ[ivar] + 1];
1064 for(Int_t i=0; i<=iBinPhiZ[0]; i++) binEdgesPhiZ[0][i]=(Double_t)kPtmin + (kPtmax-kPtmin)/(Double_t)iBinPhiZ[0]*(Double_t)i;
1065 for(Int_t i=0; i<=iBinPhiZ[1]; i++) binEdgesPhiZ[1][i]=(Double_t)kPhimin + (kPhimax-kPhimin)/iBinPhiZ[1]*(Double_t)i;
1066 for(Int_t i=0; i<=iBinPhiZ[2]; i++) binEdgesPhiZ[2][i]=(Double_t)kZmin + (kZmax-kZmin)/iBinPhiZ[2]*(Double_t)i;
1067 for(Int_t i=0; i<=iBinPhiZ[3]; i++) binEdgesPhiZ[3][i]=(Double_t)kPtmin + (kPtmax-kPtmin)/(Double_t)iBinPhiZ[3]*(Double_t)i;
1069 fhnCorrelationPhiZRec = new THnSparseF("fhnCorrelationPhiZRec","THnSparse with correlations",kNvarPhiZ,iBinPhiZ);
1070 for (int k=0; k<kNvarPhiZ; k++) {
1071 fhnCorrelationPhiZRec->SetBinEdges(k,binEdgesPhiZ[k]);
1073 fhnCorrelationPhiZRec->Sumw2();
1076 // Add a histogram for Fake jets
1078 for(Int_t ivar = 0; ivar < kNvar; ivar++)
1079 delete [] binEdges[ivar];
1081 for(Int_t ivar = 0; ivar < kNvarPhiZ; ivar++)
1082 delete [] binEdgesPhiZ[ivar];
1086 void AliAnalysisTaskJetSpectrum2::Terminate(Option_t */*option*/)
1088 // Terminate analysis
1090 if (fDebug > 1) printf("AnalysisJetSpectrum2: Terminate() \n");
1094 Int_t AliAnalysisTaskJetSpectrum2::GetListOfTracks(TList *list,Int_t type){
1096 if(fDebug>2)Printf("%s:%d Selecting tracks with %d",(char*)__FILE__,__LINE__,type);
1099 if(type==kTrackAOD){
1100 AliAODEvent *aod = 0;
1101 if(fUseAODTrackInput)aod = dynamic_cast<AliAODEvent*>(InputEvent());
1102 else aod = AODEvent();
1106 for(int it = 0;it < aod->GetNumberOfTracks();++it){
1107 AliAODTrack *tr = aod->GetTrack(it);
1108 if((fFilterMask>0)&&!(tr->TestFilterBit(fFilterMask)))continue;
1109 if(TMath::Abs(tr->Eta())>fTrackRecEtaWindow)continue;
1110 if(tr->Pt()<fMinTrackPt)continue;
1113 Printf("High pT track found in Event %d with p_T, %E",(int)Entry(),tr->Pt());
1114 Printf("%s read event, %d",fInputHandler->GetTree()->GetCurrentFile()->GetName(),(Int_t)fInputHandler->GetTree()->GetReadEntry());
1117 AliESDEvent *fESD = dynamic_cast<AliESDEvent*> (InputEvent());
1119 AliESDtrack *esdTr = (AliESDtrack*)fESD->GetTrack(TMath::Abs(tr->GetID()+1));
1129 else if (type == kTrackKineAll||type == kTrackKineCharged){
1130 AliMCEvent* mcEvent = MCEvent();
1131 if(!mcEvent)return iCount;
1132 // we want to have alivpartilces so use get track
1133 for(int it = 0;it < mcEvent->GetNumberOfTracks();++it){
1134 if(!mcEvent->IsPhysicalPrimary(it))continue;
1135 AliMCParticle* part = (AliMCParticle*)mcEvent->GetTrack(it);
1136 if(part->Pt()<fMinTrackPt)continue;
1137 if(type == kTrackKineAll){
1141 else if(type == kTrackKineCharged){
1142 if(part->Particle()->GetPDG()->Charge()==0)continue;
1148 else if (type == kTrackAODMCCharged || type == kTrackAODMCAll || type == kTrackAODMCChargedAcceptance) {
1149 AliAODEvent *aod = 0;
1150 if(fUseAODMCInput)aod = dynamic_cast<AliAODEvent*>(InputEvent());
1151 else aod = AODEvent();
1152 if(!aod)return iCount;
1153 TClonesArray *tca = dynamic_cast<TClonesArray*>(aod->FindListObject(AliAODMCParticle::StdBranchName()));
1154 if(!tca)return iCount;
1155 for(int it = 0;it < tca->GetEntriesFast();++it){
1156 AliAODMCParticle *part = dynamic_cast<AliAODMCParticle*>(tca->At(it));
1158 if(part->Pt()<fMinTrackPt)continue;
1159 if(!part->IsPhysicalPrimary())continue;
1160 if(type == kTrackAODMCAll){
1164 else if (type == kTrackAODMCCharged || type == kTrackAODMCChargedAcceptance ){
1165 if(part->Charge()==0)continue;
1166 if(kTrackAODMCCharged){
1170 if(TMath::Abs(part->Eta())>fTrackRecEtaWindow)continue;
1184 Bool_t AliAnalysisTaskJetSpectrum2::JetSelected(AliAODJet *jet){
1185 Bool_t selected = false;
1187 if(!jet)return selected;
1189 if(fabs(jet->Eta())<fJetRecEtaWindow&&jet->Pt()>fMinJetPt){
1196 Int_t AliAnalysisTaskJetSpectrum2::GetListOfJets(TList *list,TClonesArray* jarray,Int_t type){
1198 if(fDebug>2)Printf("%s:%d Selecting jets with cuts %d",(char*)__FILE__,__LINE__,type);
1202 Printf("%s:%d no Jet array",(char*)__FILE__,__LINE__);
1207 for(int ij=0;ij<jarray->GetEntries();ij++){
1208 AliAODJet* jet = (AliAODJet*)jarray->At(ij);
1211 // No cut at all, main purpose here is sorting
1217 if(JetSelected(jet)){