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 **************************************************************************/
20 #include <TInterpreter.h>
28 #include <TLorentzVector.h>
29 #include <TClonesArray.h>
30 #include "TDatabasePDG.h"
32 #include "AliAnalysisTaskJetSpectrum.h"
33 #include "AliAnalysisManager.h"
34 #include "AliJetFinder.h"
35 #include "AliJetHeader.h"
36 #include "AliJetReader.h"
37 #include "AliJetReaderHeader.h"
38 #include "AliUA1JetHeaderV1.h"
40 #include "AliESDEvent.h"
41 #include "AliAODEvent.h"
42 #include "AliAODHandler.h"
43 #include "AliAODTrack.h"
44 #include "AliAODJet.h"
45 #include "AliMCEventHandler.h"
46 #include "AliMCEvent.h"
48 #include "AliGenPythiaEventHeader.h"
49 #include "AliJetKineReaderHeader.h"
50 #include "AliGenCocktailEventHeader.h"
51 #include "AliInputEventHandler.h"
53 #include "AliAnalysisHelperJetTasks.h"
55 ClassImp(AliAnalysisTaskJetSpectrum)
57 const Float_t AliAnalysisTaskJetSpectrum::fgkJetNpartCut[AliAnalysisTaskJetSpectrum::kMaxCorrelation] = {5,10,1E+09};
59 AliAnalysisTaskJetSpectrum::AliAnalysisTaskJetSpectrum(): AliAnalysisTaskSE(),
64 fConfigRec("ConfigJets.C"),
68 fUseExternalWeightOnly(kFALSE),
69 fLimitGenJetEta(kFALSE),
76 fh1PtHard_Trials(0x0),
81 fh1JetMultiplicity(0x0) ,
88 // Default constructor
89 for(int ij = 0;ij<kMaxJets;++ij){
90 fh1E[ij] = fh1PtRecIn[ij] = fh1PtRecOut[ij] = fh1PtGenIn[ij] = fh1PtGenOut[ij] = 0;
91 fh2PtFGen[ij] = fh2PhiFGen[ij] = fh2EtaFGen[ij] = fh2Frag[ij] = fh2FragLn[ij] = fh2PtGenDeltaPhi[ij] = fh2PtGenDeltaEta[ij] = 0;
92 fh3PtRecGenHard[ij] = fh3PtRecGenHard_NoW[ij] = fh3RecEtaPhiPt[ij] = fh3RecEtaPhiPt_NoGen[ij] =fh3GenEtaPhiPt_NoFound[ij] = fh3GenEtaPhiPt[ij] = 0;
94 for(int ic = 0;ic < kMaxCorrelation;ic++){
95 fhnCorrelation[ic] = 0;
100 AliAnalysisTaskJetSpectrum::AliAnalysisTaskJetSpectrum(const char* name):
101 AliAnalysisTaskSE(name),
106 fConfigRec("ConfigJets.C"),
109 fUseAODInput(kFALSE),
110 fUseExternalWeightOnly(kFALSE),
111 fLimitGenJetEta(kFALSE),
118 fh1PtHard_Trials(0x0),
123 fh1JetMultiplicity(0x0) ,
130 // Default constructor
131 for(int ij = 0;ij<kMaxJets;++ij){
132 fh1E[ij] = fh1PtRecIn[ij] = fh1PtRecOut[ij] = fh1PtGenIn[ij] = fh1PtGenOut[ij] = 0;
133 fh2PtFGen[ij] = fh2PhiFGen[ij] = fh2EtaFGen[ij] = fh2Frag[ij] = fh2FragLn[ij] = fh2PtGenDeltaPhi[ij] = fh2PtGenDeltaEta[ij] = 0;
135 fh3PtRecGenHard[ij] = fh3PtRecGenHard_NoW[ij] = fh3RecEtaPhiPt[ij] = fh3RecEtaPhiPt_NoGen[ij] =fh3GenEtaPhiPt_NoFound[ij] = fh3GenEtaPhiPt[ij] = 0;
138 for(int ic = 0;ic < kMaxCorrelation;ic++){
139 fhnCorrelation[ic] = 0;
142 DefineOutput(1, TList::Class());
147 Bool_t AliAnalysisTaskJetSpectrum::Notify()
149 TTree *tree = AliAnalysisManager::GetAnalysisManager()->GetTree();
150 Double_t xsection = 0;
153 TFile *curfile = tree->GetCurrentFile();
155 Error("Notify","No current file");
158 if(!fh1Xsec||!fh1Trials){
159 Printf("%s%d No Histogram fh1Xsec",(char*)__FILE__,__LINE__);
163 TString fileName(curfile->GetName());
164 if(fileName.Contains("AliESDs.root")){
165 fileName.ReplaceAll("AliESDs.root", "pyxsec.root");
167 else if(fileName.Contains("AliAOD.root")){
168 fileName.ReplaceAll("AliAOD.root", "pyxsec.root");
170 else if(fileName.Contains("galice.root")){
171 // for running with galice and kinematics alone...
172 fileName.ReplaceAll("galice.root", "pyxsec.root");
174 TFile *fxsec = TFile::Open(fileName.Data());
176 Printf("%s:%d %s not found in the Input",(char*)__FILE__,__LINE__,fileName.Data());
177 // no a severe condition
180 TTree *xtree = (TTree*)fxsec->Get("Xsection");
182 Printf("%s:%d tree not found in the pyxsec.root",(char*)__FILE__,__LINE__);
184 xtree->SetBranchAddress("xsection",&xsection);
185 xtree->SetBranchAddress("ntrials",&ntrials);
187 fh1Xsec->Fill("<#sigma>",xsection);
188 fh1Trials->Fill("#sum{ntrials}",ntrials);
194 void AliAnalysisTaskJetSpectrum::UserCreateOutputObjects()
198 // Create the output container
205 fAOD = dynamic_cast<AliAODEvent*>(InputEvent());
207 Printf("%s:%d AODEvent not found in Input Manager %d",(char*)__FILE__,__LINE__,fUseAODInput);
211 fJetHeaderRec = dynamic_cast<AliJetHeader*>(fInputHandler->GetTree()->GetUserInfo()->FindObject(Form("AliJetHeader_%s",fBranchRec.Data())));
213 Printf("%s:%d Jet Header not found in the Input",(char*)__FILE__,__LINE__);
217 // assume that the AOD is in the general output...
220 Printf("%s:%d AODEvent not found in the Output",(char*)__FILE__,__LINE__);
223 fJetHeaderRec = dynamic_cast<AliJetHeader*>(OutputTree()->GetUserInfo()->FindObject(Form("AliJetHeader_%s",fBranchRec.Data())));
225 Printf("%s:%d Jet Header not found in the Output",(char*)__FILE__,__LINE__);
228 if(fDebug>10)fJetHeaderRec->Dump();
234 if (fDebug > 1) printf("AnalysisTaskJetSpectrum::UserCreateOutputObjects() \n");
237 if(!fHistList)fHistList = new TList();
239 Bool_t oldStatus = TH1::AddDirectoryStatus();
240 TH1::AddDirectory(kFALSE);
245 const Int_t nBinPt = 100;
246 Double_t binLimitsPt[nBinPt+1];
247 for(Int_t iPt = 0;iPt <= nBinPt;iPt++){
249 binLimitsPt[iPt] = 0.0;
252 binLimitsPt[iPt] = binLimitsPt[iPt-1] + 2;
255 const Int_t nBinEta = 22;
256 Double_t binLimitsEta[nBinEta+1];
257 for(Int_t iEta = 0;iEta<=nBinEta;iEta++){
259 binLimitsEta[iEta] = -2.2;
262 binLimitsEta[iEta] = binLimitsEta[iEta-1] + 0.2;
266 const Int_t nBinPhi = 30;
267 Double_t binLimitsPhi[nBinPhi+1];
268 for(Int_t iPhi = 0;iPhi<=nBinPhi;iPhi++){
270 binLimitsPhi[iPhi] = 0;
273 binLimitsPhi[iPhi] = binLimitsPhi[iPhi-1] + 1/(Float_t)nBinPhi * TMath::Pi()*2;
277 const Int_t nBinFrag = 25;
280 fh1Xsec = new TProfile("fh1Xsec","xsec from pyxsec.root",1,0,1);
281 fh1Xsec->GetXaxis()->SetBinLabel(1,"<#sigma>");
283 fh1Trials = new TH1F("fh1Trials","trials from pyxsec.root",1,0,1);
284 fh1Trials->GetXaxis()->SetBinLabel(1,"#sum{ntrials}");
286 fh1PtHard = new TH1F("fh1PtHard","PYTHIA Pt hard;p_{T,hard}",nBinPt,binLimitsPt);
288 fh1PtHard_NoW = new TH1F("fh1PtHard_NoW","PYTHIA Pt hard no weight;p_{T,hard}",nBinPt,binLimitsPt);
290 fh1PtHard_Trials = new TH1F("fh1PtHard_Trials","PYTHIA Pt hard weight with trials;p_{T,hard}",nBinPt,binLimitsPt);
292 fh1NGenJets = new TH1F("fh1NGenJets","N generated jets",20,-0.5,19.5);
294 fh1NRecJets = new TH1F("fh1NRecJets","N reconstructed jets",20,-0.5,19.5);
297 for(int ij = 0;ij<kMaxJets;++ij){
298 fh1E[ij] = new TH1F(Form("fh1E_j%d",ij),"Jet Energy;E_{jet} (GeV);N",nBinPt,binLimitsPt);
299 fh1PtRecIn[ij] = new TH1F(Form("fh1PtRecIn_j%d",ij),"rec p_T input ;p_{T,rec}",nBinPt,binLimitsPt);
300 fh1PtRecOut[ij] = new TH1F(Form("fh1PtRecOut_j%d",ij),"rec p_T output jets;p_{T,rec}",nBinPt,binLimitsPt);
301 fh1PtGenIn[ij] = new TH1F(Form("fh1PtGenIn_j%d",ij),"found p_T input ;p_{T,gen}",nBinPt,binLimitsPt);
302 fh1PtGenOut[ij] = new TH1F(Form("fh1PtGenOut_j%d",ij),"found p_T output jets;p_{T,gen}",nBinPt,binLimitsPt);
305 fh2PtFGen[ij] = new TH2F(Form("fh2PtFGen_j%d",ij),"Pt Found vs. gen;p_{T,rec} (GeV/c);p_{T,gen} (GeV/c)",
306 nBinPt,binLimitsPt,nBinPt,binLimitsPt);
308 fh2PhiFGen[ij] = new TH2F(Form("fh2PhiFGen_j%d",ij),"#phi Found vs. gen;#phi_{rec};phi_{gen}",
309 nBinPhi,binLimitsPhi,nBinPhi,binLimitsPhi);
311 fh2EtaFGen[ij] = new TH2F(Form("fh2EtaFGen_j%d",ij),"#eta Found vs. gen;#eta_{rec};eta_{gen}",
312 nBinEta,binLimitsEta,nBinEta,binLimitsEta);
315 fh2PtGenDeltaPhi[ij] = new TH2F(Form("fh2PtGenDeltaPhi_j%d",ij),"delta phi vs. P_tgen;p_{T,gen} (GeV/c);#phi_{gen}-phi_{rec}",
316 100,-1.0,1.0,nBinPt,binLimitsPt);
317 fh2PtGenDeltaPhi[ij] = new TH2F(Form("fh2PtGenDeltaEta_j%d",ij),"delta eta vs. P_tgen;p_{T,gen} (GeV/c);#eta_{gen}-eta_{rec}",
318 100,-1.0,1.0,nBinPt,binLimitsPt);
324 fh3PtRecGenHard[ij] = new TH3F(Form("fh3PtRecGenHard_j%d",ij), "Pt hard vs. pt gen vs. pt rec;p_{T,rec};p_{T,gen} (GeV/c);p_{T,hard} (GeV/c)",nBinPt,binLimitsPt,nBinPt,binLimitsPt,nBinPt,binLimitsPt);
328 fh3PtRecGenHard_NoW[ij] = new TH3F(Form("fh3PtRecGenHard_NoW_j%d",ij), "Pt hard vs. pt gen vs. pt rec no weight;p_{T,rec};p_{T,gen} (GeV/c);p_{T,hard} (GeV/c)",nBinPt,binLimitsPt,nBinPt,binLimitsPt,nBinPt,binLimitsPt);
331 fh2Frag[ij] = new TH2F(Form("fh2Frag_j%d",ij),"Jet Fragmentation;x=E_{i}/E_{jet};E_{jet};1/N_{jet}dN_{ch}/dx",
332 nBinFrag,0.,1.,nBinPt,binLimitsPt);
334 fh2FragLn[ij] = new TH2F(Form("fh2FragLn_j%d",ij),"Jet Fragmentation Ln;#xi=ln(E_{jet}/E_{i});E_{jet}(GeV);1/N_{jet}dN_{ch}/d#xi",
335 nBinFrag,0.,10.,nBinPt,binLimitsPt);
337 fh3RecEtaPhiPt[ij] = new TH3F(Form("fh3RecEtaPhiPt_j%d",ij),"Rec eta, phi, pt; #eta; #phi; p_{T,rec} (GeV/c)",
338 nBinEta,binLimitsEta,nBinPhi,binLimitsPhi,nBinPt,binLimitsPt);
342 fh3RecEtaPhiPt_NoGen[ij] = new TH3F(Form("fh3RecEtaPhiPt_NoGen_j%d",ij),"No generated for found jet Rec eta, phi, pt; #eta; #phi; p_{T,rec} (GeV/c)",
343 nBinEta,binLimitsEta,nBinPhi,binLimitsPhi,nBinPt,binLimitsPt);
346 fh3GenEtaPhiPt_NoFound[ij] = new TH3F(Form("fh3GenEtaPhiPt_NoFound_j%d",ij),"No found for generated jet eta, phi, pt; #eta; #phi; p_{T,gen} (GeV/c)",
347 nBinEta,binLimitsEta,nBinPhi,binLimitsPhi,nBinPt,binLimitsPt);
351 fh3GenEtaPhiPt[ij] = new TH3F(Form("fh3GenEtaPhiPt_j%d",ij),"Gen eta, phi, pt; #eta; #phi; p_{T,rec} (GeV/c)",
352 nBinEta,binLimitsEta,nBinPhi,binLimitsPhi,nBinPt,binLimitsPt);
356 /////////////////////////////////////////////////////////////////
357 fh1JetMultiplicity = new TH1F("fh1JetMultiplicity", "Jet Multiplicity", 51, 0., 50.);
359 fh2ERecZRec = new TH2F("fh2ERecZRec", " ; E^{jet}_{rec} [GeV]; z^{lp}_{rec}", 100, 0., 250., 100, 0., 2.);
360 fh2EGenZGen = new TH2F("fh2EGenZGen", " ; E^{jet}_{gen} [GeV]; z^{lp}_{gen}", 100, 0., 250., 100, 0., 2.);
361 fh2Efficiency = new TH2F("fh2Efficiency", "ERec/EGen;E^{jet}_{gen} [GeV];E^{jet}_{rec}/E^{jet}_{gen}", 100, 0., 250., 100, 0., 1.5);
363 fh3EGenERecN = new TH3F("fh3EGenERecN", "Efficiency vs. Jet Multiplicity", 100, 0., 250., 100, 0., 250., 51, 0., 50.);
366 //arrays for bin limits
367 const Int_t nbin[4] = {100, 100, 100, 100};
368 Double_t LowEdge[4] = {0.,0.,0.,0.};
369 Double_t UpEdge[4] = {250., 250., 1., 1.};
371 for(int ic = 0;ic < kMaxCorrelation;ic++){
372 fhnCorrelation[ic] = new THnSparseF(Form("fhnCorrelation_%d",ic), "Response Map", 4, nbin, LowEdge, UpEdge);
373 if(ic==0) fhnCorrelation[ic]->SetTitle(Form("ResponseMap 0 <= npart <= %.0E",fgkJetNpartCut[ic]));
374 else fhnCorrelation[ic]->SetTitle(Form("ResponseMap %.0E < npart <= %.0E",fgkJetNpartCut[ic-1],fgkJetNpartCut[ic]));
376 const Int_t saveLevel = 3; // large save level more histos
378 fHistList->Add(fh1Xsec);
379 fHistList->Add(fh1Trials);
380 fHistList->Add(fh1PtHard);
381 fHistList->Add(fh1PtHard_NoW);
382 fHistList->Add(fh1PtHard_Trials);
383 fHistList->Add(fh1NGenJets);
384 fHistList->Add(fh1NRecJets);
385 ////////////////////////
386 fHistList->Add(fh1JetMultiplicity);
387 fHistList->Add(fh2ERecZRec);
388 fHistList->Add(fh2EGenZGen);
389 fHistList->Add(fh2Efficiency);
390 fHistList->Add(fh3EGenERecN);
392 for(int ic = 0;ic < kMaxCorrelation;++ic){
393 fHistList->Add(fhnCorrelation[ic]);
395 ////////////////////////
396 for(int ij = 0;ij<kMaxJets;++ij){
397 fHistList->Add(fh1E[ij]);
398 fHistList->Add(fh1PtRecIn[ij]);
399 fHistList->Add(fh1PtRecOut[ij]);
400 fHistList->Add(fh1PtGenIn[ij]);
401 fHistList->Add(fh1PtGenOut[ij]);
402 fHistList->Add(fh2PtFGen[ij]);
403 fHistList->Add(fh2PhiFGen[ij]);
404 fHistList->Add(fh2EtaFGen[ij]);
405 fHistList->Add(fh2PtGenDeltaEta[ij]);
406 fHistList->Add(fh2PtGenDeltaPhi[ij]);
407 fHistList->Add(fh3RecEtaPhiPt[ij]);
408 fHistList->Add(fh3GenEtaPhiPt[ij]);
410 fHistList->Add(fh3RecEtaPhiPt_NoGen[ij]);
411 fHistList->Add(fh3GenEtaPhiPt_NoFound[ij]);
416 // =========== Switch on Sumw2 for all histos ===========
417 for (Int_t i=0; i<fHistList->GetEntries(); ++i) {
418 TH1 *h1 = dynamic_cast<TH1*>(fHistList->At(i));
420 // Printf("%s ",h1->GetName());
424 THnSparse *hn = dynamic_cast<THnSparse*>(fHistList->At(i));
428 TH1::AddDirectory(oldStatus);
432 void AliAnalysisTaskJetSpectrum::Init()
438 Printf(">>> AnalysisTaskJetSpectrum::Init() debug level %d\n",fDebug);
439 if (fDebug > 1) printf("AnalysisTaskJetSpectrum::Init() \n");
443 void AliAnalysisTaskJetSpectrum::UserExec(Option_t */*option*/)
446 // Execute analysis for current event
451 if (fDebug > 1)printf("Analysing event # %5d\n", (Int_t) fEntry);
454 AliAODHandler *aodH = dynamic_cast<AliAODHandler*>(AliAnalysisManager::GetAnalysisManager()->GetOutputEventHandler());
457 Printf("%s:%d no output aodHandler found Jet",(char*)__FILE__,__LINE__);
462 // aodH->SelectEvent(kTRUE);
464 // ========= These pointers need to be valid in any case =======
468 AliUA1JetHeaderV1 *jhRec = dynamic_cast<AliUA1JetHeaderV1*>(fJetFinderRec->GetHeader());
470 Printf("%s:%d No Jet Header found",(char*)__FILE__,__LINE__);
474 if (fDebug > 10)Printf("%s:%d",(char*)__FILE__,__LINE__);
475 TClonesArray *aodRecJets = dynamic_cast<TClonesArray*>(fAOD->FindListObject(fBranchRec.Data()));
477 Printf("%s:%d no reconstructed Jet array with name %s in AOD",(char*)__FILE__,__LINE__,fBranchRec.Data());
481 // ==== General variables needed
484 // We use statice array, not to fragment the memory
485 AliAODJet genJets[kMaxJets];
487 AliAODJet recJets[kMaxJets];
489 ///////////////////////////
491 //////////////////////////
495 Double_t nTrials = 1; // Trials for MC trigger weigth for real data
497 if(fUseExternalWeightOnly){
498 eventW = fExternalWeight;
502 if (fDebug > 10)Printf("%s:%d",(char*)__FILE__,__LINE__);
503 if((fAnalysisType&kAnaMC)==kAnaMC){
504 // this is the part we only use when we have MC information
505 AliMCEvent* mcEvent = MCEvent();
506 // AliStack *pStack = 0;
508 Printf("%s:%d no mcEvent",(char*)__FILE__,__LINE__);
511 AliGenPythiaEventHeader* pythiaGenHeader = AliAnalysisHelperJetTasks::GetPythiaEventHeader(mcEvent);
512 if(!pythiaGenHeader){
516 nTrials = pythiaGenHeader->Trials();
517 ptHard = pythiaGenHeader->GetPtHard();
520 if(fDebug>20)AliAnalysisHelperJetTasks::PrintStack(mcEvent);
522 if(!fUseExternalWeightOnly){
523 // case were we combine more than one p_T hard bin...
526 // fetch the pythia generated jets only to be used here
527 Int_t nPythiaGenJets = pythiaGenHeader->NTriggerJets();
528 AliAODJet pythiaGenJets[kMaxJets];
530 for(int ip = 0;ip < nPythiaGenJets;++ip){
531 if(iCount>=kMaxJets)continue;
533 pythiaGenHeader->TriggerJet(ip,p);
534 pythiaGenJets[iCount].SetPxPyPzE(p[0],p[1],p[2],p[3]);
537 if(pythiaGenJets[iCount].Eta()>fJetHeaderRec->GetJetEtaMax()||
538 pythiaGenJets[iCount].Eta()<fJetHeaderRec->GetJetEtaMin())continue;
542 if(fBranchGen.Length()==0){
543 // if we have MC particles and we do not read from the aod branch
544 // use the pythia jets
545 genJets[iCount].SetPxPyPzE(p[0],p[1],p[2],p[3]);
549 if(fBranchGen.Length()==0)nGenJets = iCount;
551 }// (fAnalysisType&kMC)==kMC)
553 if (fDebug > 10)Printf("%s:%d",(char*)__FILE__,__LINE__);
554 fh1PtHard->Fill(ptHard,eventW);
555 fh1PtHard_NoW->Fill(ptHard,1);
556 fh1PtHard_Trials->Fill(ptHard,nTrials);
558 // If we set a second branch for the input jets fetch this
559 if(fBranchGen.Length()>0){
560 TClonesArray *aodGenJets = dynamic_cast<TClonesArray*>(fAOD->FindListObject(fBranchGen.Data()));
563 for(int ig = 0;ig < aodGenJets->GetEntries();++ig){
564 if(iCount>=kMaxJets)continue;
565 AliAODJet *tmp = dynamic_cast<AliAODJet*>(aodGenJets->At(ig));
568 if(tmp->Eta()>fJetHeaderRec->GetJetEtaMax()||
569 tmp->Eta()<fJetHeaderRec->GetJetEtaMin())continue;
571 genJets[iCount] = *tmp;
577 Printf("%s:%d Generated jet branch %s not found",(char*)__FILE__,__LINE__,fBranchGen.Data());
581 fh1NGenJets->Fill(nGenJets);
582 // We do not want to exceed the maximum jet number
583 nGenJets = TMath::Min(nGenJets,kMaxJets);
585 // Fetch the reconstructed jets...
588 nRecJets = aodRecJets->GetEntries();
589 fh1NRecJets->Fill(nRecJets);
590 nRecJets = TMath::Min(nRecJets,kMaxJets);
591 //////////////////////////////////////////
592 nTracks = fAOD->GetNumberOfTracks();
593 ///////////////////////////////////////////
595 for(int ir = 0;ir < nRecJets;++ir){
596 AliAODJet *tmp = dynamic_cast<AliAODJet*>(aodRecJets->At(ir));
602 if (fDebug > 10)Printf("%s:%d",(char*)__FILE__,__LINE__);
604 Int_t iGenIndex[kMaxJets]; // Index of the generated jet for i-th rec -1 if none
605 Int_t iRecIndex[kMaxJets]; // Index of the rec jet for i-th gen -1 if none
607 for(int i = 0;i<kMaxJets;++i){
608 iGenIndex[i] = iRecIndex[i] = -1;
612 GetClosestJets(genJets,nGenJets,recJets,nRecJets,
613 iGenIndex,iRecIndex,fDebug);
614 if (fDebug > 10)Printf("%s:%d",(char*)__FILE__,__LINE__);
617 for(int i = 0;i<kMaxJets;++i){
618 if(iGenIndex[i]>=0)Printf("iGenFound: %d -> %d",i,iGenIndex[i]);
619 if(iRecIndex[i]>=0)Printf("iRecFound: %d -> %d",i,iRecIndex[i]);
623 // loop over reconstructed jets
624 for(int ir = 0;ir < nRecJets;++ir){
625 Double_t ptRec = recJets[ir].Pt();
626 Double_t phiRec = recJets[ir].Phi();
627 if(phiRec<0)phiRec+=TMath::Pi()*2.;
628 Double_t etaRec = recJets[ir].Eta();
630 fh1E[ir]->Fill(recJets[ir].E(),eventW);
631 fh1PtRecIn[ir]->Fill(ptRec,eventW);
632 fh3RecEtaPhiPt[ir]->Fill(etaRec,phiRec,ptRec,eventW);
634 Int_t ig = iGenIndex[ir];
635 if(ig>=0 && ig<nGenJets){
636 fh1PtRecOut[ir]->Fill(ptRec,eventW);
637 Double_t ptGen = genJets[ig].Pt();
638 Double_t phiGen = genJets[ig].Phi();
639 if(phiGen<0)phiGen+=TMath::Pi()*2.;
640 Double_t etaGen = genJets[ig].Eta();
641 fh2PtFGen[ir]->Fill(ptRec,ptGen,eventW);
642 fh2PhiFGen[ir]->Fill(phiRec,phiGen,eventW);
643 fh2EtaFGen[ir]->Fill(etaRec,etaGen,eventW);
644 fh2PtGenDeltaEta[ir]->Fill(etaGen-etaRec,eventW);
645 fh2PtGenDeltaEta[ir]->Fill(phiGen-phiRec,eventW);
646 fh3PtRecGenHard[ir]->Fill(ptRec,ptGen,ptHard,eventW);
647 fh3PtRecGenHard_NoW[ir]->Fill(ptRec,ptGen,ptHard,1);
648 /////////////////////////////////////////////////////
649 Double_t ERec = recJets[ir].E();
650 Double_t EGen = genJets[ig].E();
651 fh2Efficiency->Fill(EGen, ERec/EGen);
652 if (EGen>=0. && EGen<=250.){
653 Double_t Eleading = -1;
654 Double_t ptleading = -1;
657 for (Int_t it = 0; it< nTracks; it++){
658 if (fAOD->GetTrack(it)->E() > EGen) continue;
659 Double_t phiTrack = fAOD->GetTrack(it)->Phi();
660 if (phiTrack<0) phiTrack+=TMath::Pi()*2.;
661 Double_t etaTrack = fAOD->GetTrack(it)->Eta();
662 Float_t deta = etaRec - etaTrack;
663 Float_t dphi = TMath::Abs(phiRec - phiTrack);
664 Float_t R = TMath::Sqrt(deta*deta + dphi*dphi);
665 // find leading particle
666 if (R<0.4 && fAOD->GetTrack(it)->E()>Eleading){
667 Eleading = fAOD->GetTrack(it)->E();
668 ptleading = fAOD->GetTrack(it)->Pt();
670 if (fAOD->GetTrack(it)->Pt()>0.03*EGen && fAOD->GetTrack(it)->E()<=EGen && R<0.7)
673 // fill Response Map (4D histogram) and Energy vs z distributions
674 Double_t var[4] = {EGen, ERec, ptleading/EGen, ptleading/ERec};
675 fh2ERecZRec->Fill(var[1],var[3]); // this has to be filled always in the real case...
676 fh2EGenZGen->Fill(var[0],var[2]);
677 fh1JetMultiplicity->Fill(nPart);
678 fh3EGenERecN->Fill(EGen, ERec, nPart);
679 for(int ic = 0;ic <kMaxCorrelation;ic++){
680 if (nPart<=fgkJetNpartCut[ic]){
681 fhnCorrelation[ic]->Fill(var);
687 ////////////////////////////////////////////////////
689 fh3RecEtaPhiPt_NoGen[ir]->Fill(etaRec,phiRec,ptRec,eventW);
691 }// loop over reconstructed jets
694 if (fDebug > 10)Printf("%s:%d",(char*)__FILE__,__LINE__);
695 for(int ig = 0;ig < nGenJets;++ig){
696 Double_t ptGen = genJets[ig].Pt();
698 Double_t phiGen = genJets[ig].Phi();
699 if(phiGen<0)phiGen+=TMath::Pi()*2.;
700 Double_t etaGen = genJets[ig].Eta();
701 fh3GenEtaPhiPt[ig]->Fill(etaGen,phiGen,ptGen,eventW);
702 fh1PtGenIn[ig]->Fill(ptGen,eventW);
703 Int_t ir = iRecIndex[ig];
704 if(ir>=0&&ir<nRecJets){
705 fh1PtGenOut[ig]->Fill(ptGen,eventW);
708 fh3GenEtaPhiPt_NoFound[ig]->Fill(etaGen,phiGen,ptGen,eventW);
710 }// loop over reconstructed jets
712 if (fDebug > 10)Printf("%s:%d",(char*)__FILE__,__LINE__);
713 PostData(1, fHistList);
716 void AliAnalysisTaskJetSpectrum::Terminate(Option_t */*option*/)
718 // Terminate analysis
720 if (fDebug > 1) printf("AnalysisJetSpectrum: Terminate() \n");
724 void AliAnalysisTaskJetSpectrum::GetClosestJets(AliAODJet *genJets,Int_t &nGenJets,
725 AliAODJet *recJets,Int_t &nRecJets,
726 Int_t *iGenIndex,Int_t *iRecIndex,Int_t iDebug){
729 // Relate the two input jet Arrays
733 // The association has to be unique
734 // So check in two directions
735 // find the closest rec to a gen
736 // and check if there is no other rec which is closer
737 // Caveat: Close low energy/split jets may disturb this correlation
739 // Idea: search in two directions generated e.g (a--e) and rec (1--3)
740 // Fill a matrix with Flags (1 for closest rec jet, 2 for closest rec jet
741 // in the end we have something like this
755 // Only entries with "3" match from both sides
759 Int_t iFlag[kMaxJets][kMaxJets];
763 for(int i = 0;i < kMaxJets;++i){
766 for(int j = 0;j < kMaxJets;++j)iFlag[i][j] = 0;
769 if(nRecJets==0)return;
770 if(nGenJets==0)return;
772 const Float_t maxDist = 1.0;
773 // find the closest distance to the generated
774 for(int ig = 0;ig<nGenJets;++ig){
775 Float_t dist = maxDist;
776 if(iDebug>1)Printf("Gen (%d) p_T %3.3f eta %3.3f ph %3.3f ",ig,genJets[ig].Pt(),genJets[ig].Eta(),genJets[ig].Phi());
777 for(int ir = 0;ir<nRecJets;++ir){
778 Double_t dR = genJets[ig].DeltaR(&recJets[ir]);
779 if(iDebug>1)Printf("Rec (%d) p_T %3.3f eta %3.3f ph %3.3f ",ir,recJets[ir].Pt(),recJets[ir].Eta(),recJets[ir].Phi());
780 if(iDebug>1)Printf("Distance (%d)--(%d) %3.3f ",ig,ir,dR);
786 if(iRecIndex[ig]>=0)iFlag[ig][iRecIndex[ig]]+=1;
791 for(int ir = 0;ir<nRecJets;++ir){
792 Float_t dist = maxDist;
793 for(int ig = 0;ig<nGenJets;++ig){
794 Double_t dR = genJets[ig].DeltaR(&recJets[ir]);
800 if(iGenIndex[ir]>=0)iFlag[iGenIndex[ir]][ir]+=2;
805 // check for "true" correlations
807 if(iDebug>1)Printf(">>>>>> Matrix");
809 for(int ig = 0;ig<nGenJets;++ig){
810 for(int ir = 0;ir<nRecJets;++ir){
812 if(iDebug>1)printf("XFL %d ",iFlag[ig][ir]);
815 // we have a uniqie correlation
816 if(iFlag[ig][ir]==3){
822 // we just take the correlation from on side
823 if((iFlag[ig][ir]&2)==2){
826 if((iFlag[ig][ir]&1)==1){
831 if(iDebug>1)printf("\n");