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 "AliAnalysisTaskJetSpectrum.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 "AliMCEventHandler.h"
52 #include "AliMCEvent.h"
54 #include "AliGenPythiaEventHeader.h"
55 #include "AliJetKineReaderHeader.h"
56 #include "AliGenCocktailEventHeader.h"
57 #include "AliInputEventHandler.h"
60 #include "AliAnalysisHelperJetTasks.h"
62 ClassImp(AliAnalysisTaskJetSpectrum)
64 const Float_t AliAnalysisTaskJetSpectrum::fgkJetNpartCut[AliAnalysisTaskJetSpectrum::kMaxCorrelation] = {5,10,1E+09};
66 AliAnalysisTaskJetSpectrum::AliAnalysisTaskJetSpectrum(): AliAnalysisTaskSE(),
73 fUseExternalWeightOnly(kFALSE),
74 fLimitGenJetEta(kFALSE),
87 fh1JetMultiplicity(0x0) ,
94 // Default constructor
95 for(int ij = 0;ij<kMaxJets;++ij){
96 fh1E[ij] = fh1PtRecIn[ij] = fh1PtRecOut[ij] = fh1PtGenIn[ij] = fh1PtGenOut[ij] = 0;
97 fh2PtFGen[ij] = fh2PhiFGen[ij] = fh2EtaFGen[ij] = fh2Frag[ij] = fh2FragLn[ij] = fh2PtRecDeltaR[ij] = fh2PtGenDeltaR[ij] = fh2PtGenDeltaPhi[ij] = fh2PtGenDeltaEta[ij] = 0;
98 fh3PtRecGenHard[ij] = fh3PtRecGenHardNoW[ij] = fh3RecEtaPhiPt[ij] = fh3RecEtaPhiPtNoGen[ij] =fh3GenEtaPhiPtNoFound[ij] = fh3GenEtaPhiPt[ij] = 0;
100 for(int ic = 0;ic < kMaxCorrelation;ic++){
101 fhnCorrelation[ic] = 0;
106 AliAnalysisTaskJetSpectrum::AliAnalysisTaskJetSpectrum(const char* name):
107 AliAnalysisTaskSE(name),
113 fUseAODInput(kFALSE),
114 fUseExternalWeightOnly(kFALSE),
115 fLimitGenJetEta(kFALSE),
123 fh1PtHardTrials(0x0),
128 fh1JetMultiplicity(0x0) ,
135 // Default constructor
136 for(int ij = 0;ij<kMaxJets;++ij){
137 fh1E[ij] = fh1PtRecIn[ij] = fh1PtRecOut[ij] = fh1PtGenIn[ij] = fh1PtGenOut[ij] = 0;
138 fh2PtFGen[ij] = fh2PhiFGen[ij] = fh2EtaFGen[ij] = fh2Frag[ij] = fh2FragLn[ij] = fh2PtGenDeltaPhi[ij] = fh2PtGenDeltaEta[ij] = fh2PtRecDeltaR[ij] = fh2PtGenDeltaR[ij] =0;
140 fh3PtRecGenHard[ij] = fh3PtRecGenHardNoW[ij] = fh3RecEtaPhiPt[ij] = fh3RecEtaPhiPtNoGen[ij] =fh3GenEtaPhiPtNoFound[ij] = fh3GenEtaPhiPt[ij] = 0;
143 for(int ic = 0;ic < kMaxCorrelation;ic++){
144 fhnCorrelation[ic] = 0;
147 DefineOutput(1, TList::Class());
152 Bool_t AliAnalysisTaskJetSpectrum::Notify()
155 // Implemented Notify() to read the cross sections
156 // and number of trials from pyxsec.root
158 TTree *tree = AliAnalysisManager::GetAnalysisManager()->GetTree();
159 Double_t xsection = 0;
163 TFile *curfile = tree->GetCurrentFile();
165 Error("Notify","No current file");
168 if(!fh1Xsec||!fh1Trials){
169 Printf("%s%d No Histogram fh1Xsec",(char*)__FILE__,__LINE__);
173 TString fileName(curfile->GetName());
174 if(fileName.Contains("AliESDs.root")){
175 fileName.ReplaceAll("AliESDs.root", "");
177 else if(fileName.Contains("AliAOD.root")){
178 fileName.ReplaceAll("AliAOD.root", "");
180 else if(fileName.Contains("AliAODs.root")){
181 fileName.ReplaceAll("AliAODs.root", "");
183 else if(fileName.Contains("galice.root")){
184 // for running with galice and kinematics alone...
185 fileName.ReplaceAll("galice.root", "");
187 TFile *fxsec = TFile::Open(Form("%s%s",fileName.Data(),"pyxsec.root"));
189 if(fDebug>0)Printf("%s:%d %s not found in the Input",(char*)__FILE__,__LINE__,Form("%s%s",fileName.Data(),"pyxsec.root"));
190 // next trial fetch the histgram file
191 fxsec = TFile::Open(Form("%s%s",fileName.Data(),"pyxsec_hists.root"));
193 // not a severe condition
194 if(fDebug>0)Printf("%s:%d %s not found in the Input",(char*)__FILE__,__LINE__,Form("%s%s",fileName.Data(),"pyxsec_hists.root"));
198 // find the tlist we want to be independtent of the name so use the Tkey
199 TKey* key = (TKey*)fxsec->GetListOfKeys()->At(0);
201 if(fDebug>0)Printf("%s:%d key not found in the file",(char*)__FILE__,__LINE__);
204 TList *list = dynamic_cast<TList*>(key->ReadObj());
206 if(fDebug>0)Printf("%s:%d key is not a tlist",(char*)__FILE__,__LINE__);
209 xsection = ((TProfile*)list->FindObject("h1Xsec"))->GetBinContent(1);
210 ftrials = ((TH1F*)list->FindObject("h1Trials"))->GetBinContent(1);
214 TTree *xtree = (TTree*)fxsec->Get("Xsection");
216 Printf("%s:%d tree not found in the pyxsec.root",(char*)__FILE__,__LINE__);
218 xtree->SetBranchAddress("xsection",&xsection);
219 xtree->SetBranchAddress("ntrials",&ntrials);
223 fh1Xsec->Fill("<#sigma>",xsection);
224 fh1Trials->Fill("#sum{ntrials}",ftrials);
230 void AliAnalysisTaskJetSpectrum::UserCreateOutputObjects()
234 // Create the output container
241 fAOD = dynamic_cast<AliAODEvent*>(InputEvent());
243 Printf("%s:%d AODEvent not found in Input Manager %d",(char*)__FILE__,__LINE__,fUseAODInput);
247 fJetHeaderRec = dynamic_cast<AliJetHeader*>(fInputHandler->GetTree()->GetUserInfo()->FindObject(Form("AliJetHeader_%s",fBranchRec.Data())));
249 Printf("%s:%d Jet Header not found in the Input",(char*)__FILE__,__LINE__);
253 // assume that the AOD is in the general output...
256 Printf("%s:%d AODEvent not found in the Output",(char*)__FILE__,__LINE__);
259 fJetHeaderRec = dynamic_cast<AliJetHeader*>(OutputTree()->GetUserInfo()->FindObject(Form("AliJetHeader_%s",fBranchRec.Data())));
261 Printf("%s:%d Jet Header not found in the Output",(char*)__FILE__,__LINE__);
264 if(fDebug>10)fJetHeaderRec->Dump();
270 if (fDebug > 1) printf("AnalysisTaskJetSpectrum::UserCreateOutputObjects() \n");
273 if(!fHistList)fHistList = new TList();
275 Bool_t oldStatus = TH1::AddDirectoryStatus();
276 TH1::AddDirectory(kFALSE);
281 const Int_t nBinPt = 100;
282 Double_t binLimitsPt[nBinPt+1];
283 for(Int_t iPt = 0;iPt <= nBinPt;iPt++){
285 binLimitsPt[iPt] = 0.0;
288 binLimitsPt[iPt] = binLimitsPt[iPt-1] + 2.5;
292 const Int_t nBinEta = 26;
293 Double_t binLimitsEta[nBinEta+1] = {
295 -0.9,-0.8,-0.7,-0.6,-0.5,-0.4,-0.3,-0.2,-0.1,0.0,
296 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9,
301 const Int_t nBinPhi = 30;
302 Double_t binLimitsPhi[nBinPhi+1];
303 for(Int_t iPhi = 0;iPhi<=nBinPhi;iPhi++){
305 binLimitsPhi[iPhi] = 0;
308 binLimitsPhi[iPhi] = binLimitsPhi[iPhi-1] + 1/(Float_t)nBinPhi * TMath::Pi()*2;
312 const Int_t nBinFrag = 25;
315 fh1Xsec = new TProfile("fh1Xsec","xsec from pyxsec.root",1,0,1);
316 fh1Xsec->GetXaxis()->SetBinLabel(1,"<#sigma>");
318 fh1Trials = new TH1F("fh1Trials","trials from pyxsec.root",1,0,1);
319 fh1Trials->GetXaxis()->SetBinLabel(1,"#sum{ntrials}");
321 fh1PtHard = new TH1F("fh1PtHard","PYTHIA Pt hard;p_{T,hard}",nBinPt,binLimitsPt);
323 fh1PtHardNoW = new TH1F("fh1PtHardNoW","PYTHIA Pt hard no weight;p_{T,hard}",nBinPt,binLimitsPt);
325 fh1PtHardTrials = new TH1F("fh1PtHardTrials","PYTHIA Pt hard weight with trials;p_{T,hard}",nBinPt,binLimitsPt);
327 fh1NGenJets = new TH1F("fh1NGenJets","N generated jets",20,-0.5,19.5);
329 fh1NRecJets = new TH1F("fh1NRecJets","N reconstructed jets",20,-0.5,19.5);
332 for(int ij = 0;ij<kMaxJets;++ij){
333 fh1E[ij] = new TH1F(Form("fh1E_j%d",ij),"Jet Energy;E_{jet} (GeV);N",nBinPt,binLimitsPt);
334 fh1PtRecIn[ij] = new TH1F(Form("fh1PtRecIn_j%d",ij),"rec p_T input ;p_{T,rec}",nBinPt,binLimitsPt);
335 fh1PtRecOut[ij] = new TH1F(Form("fh1PtRecOut_j%d",ij),"rec p_T output jets;p_{T,rec}",nBinPt,binLimitsPt);
336 fh1PtGenIn[ij] = new TH1F(Form("fh1PtGenIn_j%d",ij),"found p_T input ;p_{T,gen}",nBinPt,binLimitsPt);
337 fh1PtGenOut[ij] = new TH1F(Form("fh1PtGenOut_j%d",ij),"found p_T output jets;p_{T,gen}",nBinPt,binLimitsPt);
341 fh2PtFGen[ij] = new TH2F(Form("fh2PtFGen_j%d",ij),"Pt Found vs. gen;p_{T,rec} (GeV/c);p_{T,gen} (GeV/c)",
342 nBinPt,binLimitsPt,nBinPt,binLimitsPt);
344 fh2PhiFGen[ij] = new TH2F(Form("fh2PhiFGen_j%d",ij),"#phi Found vs. gen;#phi_{rec};#phi_{gen}",
345 nBinPhi,binLimitsPhi,nBinPhi,binLimitsPhi);
347 fh2EtaFGen[ij] = new TH2F(Form("fh2EtaFGen_j%d",ij),"#eta Found vs. gen;#eta_{rec};#eta_{gen}",
348 nBinEta,binLimitsEta,nBinEta,binLimitsEta);
351 fh2PtGenDeltaPhi[ij] = new TH2F(Form("fh2PtGenDeltaPhi_j%d",ij),"delta phi vs. P_{T,gen};p_{T,gen} (GeV/c);#phi_{gen}-#phi_{rec}",
352 nBinPt,binLimitsPt,100,-1.0,1.0);
353 fh2PtGenDeltaEta[ij] = new TH2F(Form("fh2PtGenDeltaEta_j%d",ij),"delta eta vs. p_{T,gen};p_{T,gen} (GeV/c);#eta_{gen}-#eta_{rec}",
354 nBinPt,binLimitsPt,100,-1.0,1.0);
357 fh2PtRecDeltaR[ij] = new TH2F(Form("fh2PtRecDeltaR_j%d",ij),"#DeltaR to lower energy jets j > i;p_{T,rec,j};#Delta R",
358 nBinPt,binLimitsPt,60,0,6.0);
359 fh2PtGenDeltaR[ij] = new TH2F(Form("fh2PtGenDeltaR_j%d",ij),"#DeltaR to lower energy jets j > i;p_{T,gen,j};#Delta R",
360 nBinPt,binLimitsPt,60,0,6.0);
364 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);
368 fh3PtRecGenHardNoW[ij] = new TH3F(Form("fh3PtRecGenHardNoW_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);
371 fh2Frag[ij] = new TH2F(Form("fh2Frag_j%d",ij),"Jet Fragmentation;x=E_{i}/E_{jet};E_{jet};1/N_{jet}dN_{ch}/dx",
372 nBinFrag,0.,1.,nBinPt,binLimitsPt);
374 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",
375 nBinFrag,0.,10.,nBinPt,binLimitsPt);
377 fh3RecEtaPhiPt[ij] = new TH3F(Form("fh3RecEtaPhiPt_j%d",ij),"Rec eta, phi, pt; #eta; #phi; p_{T,rec} (GeV/c)",
378 nBinEta,binLimitsEta,nBinPhi,binLimitsPhi,nBinPt,binLimitsPt);
382 fh3RecEtaPhiPtNoGen[ij] = new TH3F(Form("fh3RecEtaPhiPtNoGen_j%d",ij),"No generated for found jet Rec eta, phi, pt; #eta; #phi; p_{T,rec} (GeV/c)",
383 nBinEta,binLimitsEta,nBinPhi,binLimitsPhi,nBinPt,binLimitsPt);
386 fh3GenEtaPhiPtNoFound[ij] = new TH3F(Form("fh3GenEtaPhiPtNoFound_j%d",ij),"No found for generated jet eta, phi, pt; #eta; #phi; p_{T,gen} (GeV/c)",
387 nBinEta,binLimitsEta,nBinPhi,binLimitsPhi,nBinPt,binLimitsPt);
391 fh3GenEtaPhiPt[ij] = new TH3F(Form("fh3GenEtaPhiPt_j%d",ij),"Gen eta, phi, pt; #eta; #phi; p_{T,} (GeV/c)",
392 nBinEta,binLimitsEta,nBinPhi,binLimitsPhi,nBinPt,binLimitsPt);
397 // tmp histos do not add to the header
398 TH2F *hCorrPt = new TH2F("fh2PtRecPhiCorrPt","#Delta#phi correlation pt weighted",nBinPt,binLimitsPt,180,TMath::Pi()/-2,1.5*TMath::Pi());
399 fHistList->Add(hCorrPt);
400 TH2F *hCorrRanPt = new TH2F("fh2PtRecPhiCorrPtRan","#Delta#phi Random correlation pt weighted",nBinPt,binLimitsPt,180,TMath::Pi()/-2,1.5*TMath::Pi());
401 fHistList->Add(hCorrRanPt);
403 TH2F *hCorr = new TH2F("fh2PtRecPhiCorr","#Delta#phi correlation",nBinPt,binLimitsPt,180,TMath::Pi()/-2,1.5*TMath::Pi());
404 fHistList->Add(hCorr);
405 TH2F *hCorrRan = new TH2F("fh2PtRecPhiCorrRan","#Delta#phi Random correlation",nBinPt,binLimitsPt,180,TMath::Pi()/-2,1.5*TMath::Pi());
406 fHistList->Add(hCorrRan);
409 /////////////////////////////////////////////////////////////////
410 fh1JetMultiplicity = new TH1F("fh1JetMultiplicity", "Jet Multiplicity", 51, 0., 50.);
412 fh2ERecZRec = new TH2F("fh2ERecZRec", " ; E^{jet}_{rec} [GeV]; z^{lp}_{rec}", 100, 0., 250., 100, 0., 2.);
413 fh2EGenZGen = new TH2F("fh2EGenZGen", " ; E^{jet}_{gen} [GeV]; z^{lp}_{gen}", 100, 0., 250., 100, 0., 2.);
414 fh2Efficiency = new TH2F("fh2Efficiency", "ERec/EGen;E^{jet}_{gen} [GeV];E^{jet}_{rec}/E^{jet}_{gen}", 100, 0., 250., 100, 0., 1.5);
416 fh3EGenERecN = new TH3F("fh3EGenERecN", "Efficiency vs. Jet Multiplicity", 100, 0., 250., 100, 0., 250., 51, 0., 50.);
419 //arrays for bin limits
420 const Int_t nbin[4] = {100, 100, 100, 100};
421 Double_t vLowEdge[4] = {0.,0.,0.,0.};
422 Double_t vUpEdge[4] = {250., 250., 1., 1.};
424 for(int ic = 0;ic < kMaxCorrelation;ic++){
425 fhnCorrelation[ic] = new THnSparseF(Form("fhnCorrelation_%d",ic), "Response Map", 4, nbin, vLowEdge, vUpEdge);
426 if(ic==0) fhnCorrelation[ic]->SetTitle(Form("ResponseMap 0 <= npart <= %.0E",fgkJetNpartCut[ic]));
427 else fhnCorrelation[ic]->SetTitle(Form("ResponseMap %.0E < npart <= %.0E",fgkJetNpartCut[ic-1],fgkJetNpartCut[ic]));
429 const Int_t saveLevel = 3; // large save level more histos
431 fHistList->Add(fh1Xsec);
432 fHistList->Add(fh1Trials);
433 fHistList->Add(fh1PtHard);
434 fHistList->Add(fh1PtHardNoW);
435 fHistList->Add(fh1PtHardTrials);
436 fHistList->Add(fh1NGenJets);
437 fHistList->Add(fh1NRecJets);
438 ////////////////////////
439 fHistList->Add(fh1JetMultiplicity);
440 fHistList->Add(fh2ERecZRec);
441 fHistList->Add(fh2EGenZGen);
442 fHistList->Add(fh2Efficiency);
443 fHistList->Add(fh3EGenERecN);
445 for(int ic = 0;ic < kMaxCorrelation;++ic){
446 fHistList->Add(fhnCorrelation[ic]);
448 ////////////////////////
449 for(int ij = 0;ij<kMaxJets;++ij){
450 fHistList->Add(fh1E[ij]);
451 fHistList->Add(fh1PtRecIn[ij]);
452 fHistList->Add(fh1PtRecOut[ij]);
453 fHistList->Add(fh1PtGenIn[ij]);
454 fHistList->Add(fh1PtGenOut[ij]);
455 fHistList->Add(fh2PtFGen[ij]);
456 fHistList->Add(fh2PhiFGen[ij]);
457 fHistList->Add(fh2EtaFGen[ij]);
458 fHistList->Add(fh2PtGenDeltaEta[ij]);
459 fHistList->Add(fh2PtGenDeltaPhi[ij]);
460 fHistList->Add(fh2PtRecDeltaR[ij]);
461 fHistList->Add(fh2PtGenDeltaR[ij]);
462 fHistList->Add(fh3RecEtaPhiPt[ij]);
463 fHistList->Add(fh3GenEtaPhiPt[ij]);
465 fHistList->Add(fh3RecEtaPhiPtNoGen[ij]);
466 fHistList->Add(fh3GenEtaPhiPtNoFound[ij]);
471 // =========== Switch on Sumw2 for all histos ===========
472 for (Int_t i=0; i<fHistList->GetEntries(); ++i) {
473 TH1 *h1 = dynamic_cast<TH1*>(fHistList->At(i));
475 // Printf("%s ",h1->GetName());
479 THnSparse *hn = dynamic_cast<THnSparse*>(fHistList->At(i));
483 TH1::AddDirectory(oldStatus);
487 void AliAnalysisTaskJetSpectrum::Init()
493 Printf(">>> AnalysisTaskJetSpectrum::Init() debug level %d\n",fDebug);
494 if (fDebug > 1) printf("AnalysisTaskJetSpectrum::Init() \n");
498 void AliAnalysisTaskJetSpectrum::UserExec(Option_t */*option*/)
501 // Execute analysis for current event
506 if (fDebug > 1)printf("Analysing event # %5d\n", (Int_t) fEntry);
509 AliAODHandler *aodH = dynamic_cast<AliAODHandler*>(AliAnalysisManager::GetAnalysisManager()->GetOutputEventHandler());
512 Printf("%s:%d no output aodHandler found Jet",(char*)__FILE__,__LINE__);
517 // aodH->SelectEvent(kTRUE);
519 // ========= These pointers need to be valid in any case =======
523 AliUA1JetHeaderV1 *jhRec = dynamic_cast<AliUA1JetHeaderV1*>(fJetFinderRec->GetHeader());
525 Printf("%s:%d No Jet Header found",(char*)__FILE__,__LINE__);
529 if (fDebug > 10)Printf("%s:%d",(char*)__FILE__,__LINE__);
530 TClonesArray *aodRecJets = dynamic_cast<TClonesArray*>(fAOD->FindListObject(fBranchRec.Data()));
532 Printf("%s:%d no reconstructed Jet array with name %s in AOD",(char*)__FILE__,__LINE__,fBranchRec.Data());
536 // ==== General variables needed
539 // We use statice array, not to fragment the memory
540 AliAODJet genJets[kMaxJets];
542 AliAODJet recJets[kMaxJets];
544 ///////////////////////////
546 //////////////////////////
550 Double_t nTrials = 1; // Trials for MC trigger weigth for real data
552 if(fUseExternalWeightOnly){
553 eventW = fExternalWeight;
557 if (fDebug > 10)Printf("%s:%d",(char*)__FILE__,__LINE__);
558 if((fAnalysisType&kAnaMC)==kAnaMC){
559 // this is the part we only use when we have MC information
560 AliMCEvent* mcEvent = MCEvent();
561 // AliStack *pStack = 0;
563 Printf("%s:%d no mcEvent",(char*)__FILE__,__LINE__);
566 AliGenPythiaEventHeader* pythiaGenHeader = AliAnalysisHelperJetTasks::GetPythiaEventHeader(mcEvent);
567 if(!pythiaGenHeader){
571 nTrials = pythiaGenHeader->Trials();
572 ptHard = pythiaGenHeader->GetPtHard();
573 int iProcessType = pythiaGenHeader->ProcessType();
575 // 12 f+barf -> f+barf
581 if (fDebug > 10)Printf("%d iProcessType %d",__LINE__, iProcessType);
582 // if(iProcessType != 13 && iProcessType != 68){ // allow only glue
583 if(iProcessType != 11 && iProcessType != 12 && iProcessType != 53){ // allow only quark
584 // if(iProcessType != 28){ // allow only -> f+g
585 PostData(1, fHistList);
589 if (fDebug > 10)Printf("%d iProcessType %d",__LINE__, iProcessType);
591 if(fDebug>20)AliAnalysisHelperJetTasks::PrintStack(mcEvent);
593 if(!fUseExternalWeightOnly){
594 // case were we combine more than one p_T hard bin...
597 // fetch the pythia generated jets only to be used here
598 Int_t nPythiaGenJets = pythiaGenHeader->NTriggerJets();
599 AliAODJet pythiaGenJets[kMaxJets];
601 for(int ip = 0;ip < nPythiaGenJets;++ip){
602 if(iCount>=kMaxJets)continue;
604 pythiaGenHeader->TriggerJet(ip,p);
605 pythiaGenJets[iCount].SetPxPyPzE(p[0],p[1],p[2],p[3]);
608 if(pythiaGenJets[iCount].Eta()>fJetHeaderRec->GetJetEtaMax()||
609 pythiaGenJets[iCount].Eta()<fJetHeaderRec->GetJetEtaMin())continue;
613 if(fBranchGen.Length()==0){
614 // if we have MC particles and we do not read from the aod branch
615 // use the pythia jets
616 genJets[iCount].SetPxPyPzE(p[0],p[1],p[2],p[3]);
620 if(fBranchGen.Length()==0)nGenJets = iCount;
622 }// (fAnalysisType&kMC)==kMC)
624 if (fDebug > 10)Printf("%s:%d",(char*)__FILE__,__LINE__);
625 fh1PtHard->Fill(ptHard,eventW);
626 fh1PtHardNoW->Fill(ptHard,1);
627 fh1PtHardTrials->Fill(ptHard,nTrials);
629 // If we set a second branch for the input jets fetch this
630 if(fBranchGen.Length()>0){
631 TClonesArray *aodGenJets = dynamic_cast<TClonesArray*>(fAOD->FindListObject(fBranchGen.Data()));
634 for(int ig = 0;ig < aodGenJets->GetEntries();++ig){
635 if(iCount>=kMaxJets)continue;
636 AliAODJet *tmp = dynamic_cast<AliAODJet*>(aodGenJets->At(ig));
639 if(tmp->Eta()>fJetHeaderRec->GetJetEtaMax()||
640 tmp->Eta()<fJetHeaderRec->GetJetEtaMin())continue;
642 genJets[iCount] = *tmp;
648 Printf("%s:%d Generated jet branch %s not found",(char*)__FILE__,__LINE__,fBranchGen.Data());
652 fh1NGenJets->Fill(nGenJets);
653 // We do not want to exceed the maximum jet number
654 nGenJets = TMath::Min(nGenJets,kMaxJets);
656 // Fetch the reconstructed jets...
659 nRecJets = aodRecJets->GetEntries();
660 fh1NRecJets->Fill(nRecJets);
661 nRecJets = TMath::Min(nRecJets,kMaxJets);
662 //////////////////////////////////////////
663 nTracks = fAOD->GetNumberOfTracks();
664 ///////////////////////////////////////////
666 for(int ir = 0;ir < nRecJets;++ir){
667 AliAODJet *tmp = dynamic_cast<AliAODJet*>(aodRecJets->At(ir));
673 if (fDebug > 10)Printf("%s:%d",(char*)__FILE__,__LINE__);
675 Int_t iGenIndex[kMaxJets]; // Index of the generated jet for i-th rec -1 if none
676 Int_t iRecIndex[kMaxJets]; // Index of the rec jet for i-th gen -1 if none
678 for(int i = 0;i<kMaxJets;++i){
679 iGenIndex[i] = iRecIndex[i] = -1;
683 AliAnalysisHelperJetTasks::GetClosestJets(genJets,nGenJets,recJets,nRecJets,
684 iGenIndex,iRecIndex,fDebug);
685 if (fDebug > 10)Printf("%s:%d",(char*)__FILE__,__LINE__);
688 for(int i = 0;i<kMaxJets;++i){
689 if(iGenIndex[i]>=0)Printf("iGenFound: %d -> %d",i,iGenIndex[i]);
690 if(iRecIndex[i]>=0)Printf("iRecFound: %d -> %d",i,iRecIndex[i]);
694 // loop over reconstructed jets
695 for(int ir = 0;ir < nRecJets;++ir){
696 Double_t ptRec = recJets[ir].Pt();
697 Double_t phiRec = recJets[ir].Phi();
698 Double_t phiRecRan = TMath::Pi()*gRandom->Rndm(); // better take real jet axis from previous events (TPC acceptance in phi)
699 if(phiRec<0)phiRec+=TMath::Pi()*2.;
700 Double_t etaRec = recJets[ir].Eta();
701 if (fDebug > 10)Printf("%s:%d",(char*)__FILE__,__LINE__);
702 fh1E[ir]->Fill(recJets[ir].E(),eventW);
703 fh1PtRecIn[ir]->Fill(ptRec,eventW);
704 fh3RecEtaPhiPt[ir]->Fill(etaRec,phiRec,ptRec,eventW);
705 for(int irr = ir+1;irr<nRecJets;irr++){
706 fh2PtRecDeltaR[ir]->Fill(recJets[irr].Pt(),recJets[ir].DeltaR(&recJets[irr]));
709 Int_t ig = iGenIndex[ir];
710 if(ig>=0 && ig<nGenJets){
711 if (fDebug > 10)Printf("%s:%d",(char*)__FILE__,__LINE__);
712 if (fDebug > 10)Printf("%s:%d ig = %d ir = %d",(char*)__FILE__,__LINE__,ig,ir);
713 fh1PtRecOut[ir]->Fill(ptRec,eventW);
714 Double_t ptGen = genJets[ig].Pt();
715 Double_t phiGen = genJets[ig].Phi();
716 if(phiGen<0)phiGen+=TMath::Pi()*2.;
717 Double_t etaGen = genJets[ig].Eta();
720 // we accept only jets which are detected within a smaller window, to avoid ambigious pair association at the edges of the acceptance
723 if(TMath::Abs(etaRec)<fRecEtaWindow){
725 fh2PtFGen[ir]->Fill(ptRec,ptGen,eventW);
726 fh2PhiFGen[ir]->Fill(phiRec,phiGen,eventW);
727 fh2EtaFGen[ir]->Fill(etaRec,etaGen,eventW);
728 fh2PtGenDeltaEta[ir]->Fill(ptGen,etaGen-etaRec,eventW);
729 fh2PtGenDeltaPhi[ir]->Fill(ptGen,phiGen-phiRec,eventW);
730 fh3PtRecGenHard[ir]->Fill(ptRec,ptGen,ptHard,eventW);
731 fh3PtRecGenHardNoW[ir]->Fill(ptRec,ptGen,ptHard,1);
732 /////////////////////////////////////////////////////
734 // Double_t eRec = recJets[ir].E();
735 // Double_t eGen = genJets[ig].E();
736 // CKB use p_T not Energy
737 // TODO recname variabeles and histos
738 Double_t eRec = recJets[ir].E();
739 Double_t eGen = genJets[ig].E();
741 fh2Efficiency->Fill(eGen, eRec/eGen);
743 if (eGen>=0. && eGen<=250.){
744 Double_t eLeading = -1;
745 Double_t ptleading = -1;
748 for (Int_t it = 0; it< nTracks; it++){
749 // if (fAOD->GetTrack(it)->E() > eGen) continue; // CKB. Not allowed! cannot cut on gen properties in real events!
750 // find leading particle
751 // if (r<0.4 && fAOD->GetTrack(it)->E()>eLeading){
752 // TODO implement esd filter flag to be the same as in the jet finder
753 // allow also for MC particles...
754 Float_t r = recJets[ir].DeltaR(fAOD->GetTrack(it));
755 if (r<0.4 && fAOD->GetTrack(it)->Pt()>ptleading){
756 eLeading = fAOD->GetTrack(it)->E();
757 ptleading = fAOD->GetTrack(it)->Pt();
759 // if (fAOD->GetTrack(it)->Pt()>0.03*eGen && fAOD->GetTrack(it)->E()<=eGen && r<0.7) // CKB cannot cut on gen properties
760 if (fAOD->GetTrack(it)->Pt()>0.03*eRec && fAOD->GetTrack(it)->Pt()<=eRec && r<0.7)
764 // correlate jet axis of leading jet with particles
766 Float_t phi = fAOD->GetTrack(it)->Phi();
767 Float_t dPhi = phi - phiRec;
768 if(dPhi>TMath::Pi()/1.5)dPhi = dPhi - 2.*TMath::Pi();
769 if(dPhi<(-0.5*TMath::Pi()))dPhi = dPhi + 2.*TMath::Pi();
770 Float_t dPhiRan = phi - phiRecRan;
771 if(dPhiRan>TMath::Pi()/1.5)dPhiRan = dPhiRan - 2.*TMath::Pi();
772 if(dPhiRan<(-0.5*TMath::Pi()))dPhiRan = dPhiRan + 2.*TMath::Pi();
773 ((TH2F*)fHistList->FindObject("fh2PtRecPhiCorr"))->Fill(ptRec,dPhi);
774 ((TH2F*)fHistList->FindObject("fh2PtRecPhiCorrRan"))->Fill(ptRec,dPhiRan);
775 ((TH2F*)fHistList->FindObject("fh2PtRecPhiCorrPt"))->Fill(ptRec,dPhi,fAOD->GetTrack(it)->Pt());
776 ((TH2F*)fHistList->FindObject("fh2PtRecPhiCorrPtRan"))->Fill(ptRec,dPhiRan,fAOD->GetTrack(it)->Pt());
780 if (fDebug > 10)Printf("%s:%d",(char*)__FILE__,__LINE__);
782 // fill Response Map (4D histogram) and Energy vs z distributions
783 Double_t var[4] = {eGen, eRec, ptleading/eGen, ptleading/eRec};
784 fh2ERecZRec->Fill(var[1],var[3]); // this has to be filled always in the real case...
785 fh2EGenZGen->Fill(var[0],var[2]);
786 fh1JetMultiplicity->Fill(nPart);
787 fh3EGenERecN->Fill(eGen, eRec, nPart);
788 for(int ic = 0;ic <kMaxCorrelation;ic++){
789 if (nPart<=fgkJetNpartCut[ic]){ // is this corrected for CKB
790 fhnCorrelation[ic]->Fill(var);
796 }// if etarec in window
799 ////////////////////////////////////////////////////
801 fh3RecEtaPhiPtNoGen[ir]->Fill(etaRec,phiRec,ptRec,eventW);
803 }// loop over reconstructed jets
806 if (fDebug > 10)Printf("%s:%d",(char*)__FILE__,__LINE__);
807 for(int ig = 0;ig < nGenJets;++ig){
808 Double_t ptGen = genJets[ig].Pt();
810 Double_t phiGen = genJets[ig].Phi();
811 if(phiGen<0)phiGen+=TMath::Pi()*2.;
812 Double_t etaGen = genJets[ig].Eta();
813 fh3GenEtaPhiPt[ig]->Fill(etaGen,phiGen,ptGen,eventW);
814 fh1PtGenIn[ig]->Fill(ptGen,eventW);
815 for(int igg = ig+1;igg<nGenJets;igg++){
816 fh2PtGenDeltaR[ig]->Fill(genJets[igg].Pt(),genJets[ig].DeltaR(&genJets[igg]));
818 Int_t ir = iRecIndex[ig];
819 if(ir>=0&&ir<nRecJets){
820 fh1PtGenOut[ig]->Fill(ptGen,eventW);
823 fh3GenEtaPhiPtNoFound[ig]->Fill(etaGen,phiGen,ptGen,eventW);
825 }// loop over reconstructed jets
827 if (fDebug > 10)Printf("%s:%d",(char*)__FILE__,__LINE__);
828 PostData(1, fHistList);
831 void AliAnalysisTaskJetSpectrum::Terminate(Option_t */*option*/)
833 // Terminate analysis
835 if (fDebug > 1) printf("AnalysisJetSpectrum: Terminate() \n");