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>
34 #include <TLorentzVector.h>
35 #include <TClonesArray.h>
36 #include "TDatabasePDG.h"
38 #include "AliAnalysisTaskJetSpectrum.h"
39 #include "AliAnalysisManager.h"
40 #include "AliJetFinder.h"
41 #include "AliJetHeader.h"
42 #include "AliJetReader.h"
43 #include "AliJetReaderHeader.h"
44 #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;
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__);
172 TString fileName(curfile->GetName());
173 if(fileName.Contains("AliESDs.root")){
174 fileName.ReplaceAll("AliESDs.root", "pyxsec.root");
176 else if(fileName.Contains("AliAOD.root")){
177 fileName.ReplaceAll("AliAOD.root", "pyxsec.root");
179 else if(fileName.Contains("galice.root")){
180 // for running with galice and kinematics alone...
181 fileName.ReplaceAll("galice.root", "pyxsec.root");
183 TFile *fxsec = TFile::Open(fileName.Data());
185 Printf("%s:%d %s not found in the Input",(char*)__FILE__,__LINE__,fileName.Data());
186 // no a severe condition
189 TTree *xtree = (TTree*)fxsec->Get("Xsection");
191 Printf("%s:%d tree not found in the pyxsec.root",(char*)__FILE__,__LINE__);
193 xtree->SetBranchAddress("xsection",&xsection);
194 xtree->SetBranchAddress("ntrials",&ntrials);
196 fh1Xsec->Fill("<#sigma>",xsection);
197 fh1Trials->Fill("#sum{ntrials}",ntrials);
203 void AliAnalysisTaskJetSpectrum::UserCreateOutputObjects()
207 // Create the output container
214 fAOD = dynamic_cast<AliAODEvent*>(InputEvent());
216 Printf("%s:%d AODEvent not found in Input Manager %d",(char*)__FILE__,__LINE__,fUseAODInput);
220 fJetHeaderRec = dynamic_cast<AliJetHeader*>(fInputHandler->GetTree()->GetUserInfo()->FindObject(Form("AliJetHeader_%s",fBranchRec.Data())));
222 Printf("%s:%d Jet Header not found in the Input",(char*)__FILE__,__LINE__);
226 // assume that the AOD is in the general output...
229 Printf("%s:%d AODEvent not found in the Output",(char*)__FILE__,__LINE__);
232 fJetHeaderRec = dynamic_cast<AliJetHeader*>(OutputTree()->GetUserInfo()->FindObject(Form("AliJetHeader_%s",fBranchRec.Data())));
234 Printf("%s:%d Jet Header not found in the Output",(char*)__FILE__,__LINE__);
237 if(fDebug>10)fJetHeaderRec->Dump();
243 if (fDebug > 1) printf("AnalysisTaskJetSpectrum::UserCreateOutputObjects() \n");
246 if(!fHistList)fHistList = new TList();
248 Bool_t oldStatus = TH1::AddDirectoryStatus();
249 TH1::AddDirectory(kFALSE);
254 const Int_t nBinPt = 100;
255 Double_t binLimitsPt[nBinPt+1];
256 for(Int_t iPt = 0;iPt <= nBinPt;iPt++){
258 binLimitsPt[iPt] = 0.0;
261 binLimitsPt[iPt] = binLimitsPt[iPt-1] + 2.5;
265 const Int_t nBinEta = 26;
266 Double_t binLimitsEta[nBinEta+1] = {
268 -0.9,-0.8,-0.7,-0.6,-0.5,-0.4,-0.3,-0.2,-0.1,0.0,
269 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9,
274 const Int_t nBinPhi = 30;
275 Double_t binLimitsPhi[nBinPhi+1];
276 for(Int_t iPhi = 0;iPhi<=nBinPhi;iPhi++){
278 binLimitsPhi[iPhi] = 0;
281 binLimitsPhi[iPhi] = binLimitsPhi[iPhi-1] + 1/(Float_t)nBinPhi * TMath::Pi()*2;
285 const Int_t nBinFrag = 25;
288 fh1Xsec = new TProfile("fh1Xsec","xsec from pyxsec.root",1,0,1);
289 fh1Xsec->GetXaxis()->SetBinLabel(1,"<#sigma>");
291 fh1Trials = new TH1F("fh1Trials","trials from pyxsec.root",1,0,1);
292 fh1Trials->GetXaxis()->SetBinLabel(1,"#sum{ntrials}");
294 fh1PtHard = new TH1F("fh1PtHard","PYTHIA Pt hard;p_{T,hard}",nBinPt,binLimitsPt);
296 fh1PtHardNoW = new TH1F("fh1PtHardNoW","PYTHIA Pt hard no weight;p_{T,hard}",nBinPt,binLimitsPt);
298 fh1PtHardTrials = new TH1F("fh1PtHardTrials","PYTHIA Pt hard weight with trials;p_{T,hard}",nBinPt,binLimitsPt);
300 fh1NGenJets = new TH1F("fh1NGenJets","N generated jets",20,-0.5,19.5);
302 fh1NRecJets = new TH1F("fh1NRecJets","N reconstructed jets",20,-0.5,19.5);
305 for(int ij = 0;ij<kMaxJets;++ij){
306 fh1E[ij] = new TH1F(Form("fh1E_j%d",ij),"Jet Energy;E_{jet} (GeV);N",nBinPt,binLimitsPt);
307 fh1PtRecIn[ij] = new TH1F(Form("fh1PtRecIn_j%d",ij),"rec p_T input ;p_{T,rec}",nBinPt,binLimitsPt);
308 fh1PtRecOut[ij] = new TH1F(Form("fh1PtRecOut_j%d",ij),"rec p_T output jets;p_{T,rec}",nBinPt,binLimitsPt);
309 fh1PtGenIn[ij] = new TH1F(Form("fh1PtGenIn_j%d",ij),"found p_T input ;p_{T,gen}",nBinPt,binLimitsPt);
310 fh1PtGenOut[ij] = new TH1F(Form("fh1PtGenOut_j%d",ij),"found p_T output jets;p_{T,gen}",nBinPt,binLimitsPt);
314 fh2PtFGen[ij] = new TH2F(Form("fh2PtFGen_j%d",ij),"Pt Found vs. gen;p_{T,rec} (GeV/c);p_{T,gen} (GeV/c)",
315 nBinPt,binLimitsPt,nBinPt,binLimitsPt);
317 fh2PhiFGen[ij] = new TH2F(Form("fh2PhiFGen_j%d",ij),"#phi Found vs. gen;#phi_{rec};#phi_{gen}",
318 nBinPhi,binLimitsPhi,nBinPhi,binLimitsPhi);
320 fh2EtaFGen[ij] = new TH2F(Form("fh2EtaFGen_j%d",ij),"#eta Found vs. gen;#eta_{rec};#eta_{gen}",
321 nBinEta,binLimitsEta,nBinEta,binLimitsEta);
324 fh2PtGenDeltaPhi[ij] = new TH2F(Form("fh2PtGenDeltaPhi_j%d",ij),"delta phi vs. P_{T,gen};p_{T,gen} (GeV/c);#phi_{gen}-#phi_{rec}",
325 nBinPt,binLimitsPt,100,-1.0,1.0);
326 fh2PtGenDeltaEta[ij] = new TH2F(Form("fh2PtGenDeltaEta_j%d",ij),"delta eta vs. p_{T,gen};p_{T,gen} (GeV/c);#eta_{gen}-#eta_{rec}",
327 nBinPt,binLimitsPt,100,-1.0,1.0);
330 fh2PtRecDeltaR[ij] = new TH2F(Form("fh2PtRecDeltaR_j%d",ij),"#DeltaR to lower energy jets j > i;p_{T,rec,j};#Delta R",
331 nBinPt,binLimitsPt,60,0,6.0);
332 fh2PtGenDeltaR[ij] = new TH2F(Form("fh2PtGenDeltaR_j%d",ij),"#DeltaR to lower energy jets j > i;p_{T,gen,j};#Delta R",
333 nBinPt,binLimitsPt,60,0,6.0);
337 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);
341 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);
344 fh2Frag[ij] = new TH2F(Form("fh2Frag_j%d",ij),"Jet Fragmentation;x=E_{i}/E_{jet};E_{jet};1/N_{jet}dN_{ch}/dx",
345 nBinFrag,0.,1.,nBinPt,binLimitsPt);
347 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",
348 nBinFrag,0.,10.,nBinPt,binLimitsPt);
350 fh3RecEtaPhiPt[ij] = new TH3F(Form("fh3RecEtaPhiPt_j%d",ij),"Rec eta, phi, pt; #eta; #phi; p_{T,rec} (GeV/c)",
351 nBinEta,binLimitsEta,nBinPhi,binLimitsPhi,nBinPt,binLimitsPt);
355 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)",
356 nBinEta,binLimitsEta,nBinPhi,binLimitsPhi,nBinPt,binLimitsPt);
359 fh3GenEtaPhiPtNoFound[ij] = new TH3F(Form("fh3GenEtaPhiPtNoFound_j%d",ij),"No found for generated jet eta, phi, pt; #eta; #phi; p_{T,gen} (GeV/c)",
360 nBinEta,binLimitsEta,nBinPhi,binLimitsPhi,nBinPt,binLimitsPt);
364 fh3GenEtaPhiPt[ij] = new TH3F(Form("fh3GenEtaPhiPt_j%d",ij),"Gen eta, phi, pt; #eta; #phi; p_{T,} (GeV/c)",
365 nBinEta,binLimitsEta,nBinPhi,binLimitsPhi,nBinPt,binLimitsPt);
370 // tmp histos do not add to the header
371 TH2F *hCorrPt = new TH2F("fh2PtRecPhiCorrPt","#Delta#phi correlation pt weighted",nBinPt,binLimitsPt,180,TMath::Pi()/-2,1.5*TMath::Pi());
372 fHistList->Add(hCorrPt);
373 TH2F *hCorrRanPt = new TH2F("fh2PtRecPhiCorrPtRan","#Delta#phi Random correlation pt weighted",nBinPt,binLimitsPt,180,TMath::Pi()/-2,1.5*TMath::Pi());
374 fHistList->Add(hCorrRanPt);
376 TH2F *hCorr = new TH2F("fh2PtRecPhiCorr","#Delta#phi correlation",nBinPt,binLimitsPt,180,TMath::Pi()/-2,1.5*TMath::Pi());
377 fHistList->Add(hCorr);
378 TH2F *hCorrRan = new TH2F("fh2PtRecPhiCorrRan","#Delta#phi Random correlation",nBinPt,binLimitsPt,180,TMath::Pi()/-2,1.5*TMath::Pi());
379 fHistList->Add(hCorrRan);
382 /////////////////////////////////////////////////////////////////
383 fh1JetMultiplicity = new TH1F("fh1JetMultiplicity", "Jet Multiplicity", 51, 0., 50.);
385 fh2ERecZRec = new TH2F("fh2ERecZRec", " ; E^{jet}_{rec} [GeV]; z^{lp}_{rec}", 100, 0., 250., 100, 0., 2.);
386 fh2EGenZGen = new TH2F("fh2EGenZGen", " ; E^{jet}_{gen} [GeV]; z^{lp}_{gen}", 100, 0., 250., 100, 0., 2.);
387 fh2Efficiency = new TH2F("fh2Efficiency", "ERec/EGen;E^{jet}_{gen} [GeV];E^{jet}_{rec}/E^{jet}_{gen}", 100, 0., 250., 100, 0., 1.5);
389 fh3EGenERecN = new TH3F("fh3EGenERecN", "Efficiency vs. Jet Multiplicity", 100, 0., 250., 100, 0., 250., 51, 0., 50.);
392 //arrays for bin limits
393 const Int_t nbin[4] = {100, 100, 100, 100};
394 Double_t vLowEdge[4] = {0.,0.,0.,0.};
395 Double_t vUpEdge[4] = {250., 250., 1., 1.};
397 for(int ic = 0;ic < kMaxCorrelation;ic++){
398 fhnCorrelation[ic] = new THnSparseF(Form("fhnCorrelation_%d",ic), "Response Map", 4, nbin, vLowEdge, vUpEdge);
399 if(ic==0) fhnCorrelation[ic]->SetTitle(Form("ResponseMap 0 <= npart <= %.0E",fgkJetNpartCut[ic]));
400 else fhnCorrelation[ic]->SetTitle(Form("ResponseMap %.0E < npart <= %.0E",fgkJetNpartCut[ic-1],fgkJetNpartCut[ic]));
402 const Int_t saveLevel = 3; // large save level more histos
404 fHistList->Add(fh1Xsec);
405 fHistList->Add(fh1Trials);
406 fHistList->Add(fh1PtHard);
407 fHistList->Add(fh1PtHardNoW);
408 fHistList->Add(fh1PtHardTrials);
409 fHistList->Add(fh1NGenJets);
410 fHistList->Add(fh1NRecJets);
411 ////////////////////////
412 fHistList->Add(fh1JetMultiplicity);
413 fHistList->Add(fh2ERecZRec);
414 fHistList->Add(fh2EGenZGen);
415 fHistList->Add(fh2Efficiency);
416 fHistList->Add(fh3EGenERecN);
418 for(int ic = 0;ic < kMaxCorrelation;++ic){
419 fHistList->Add(fhnCorrelation[ic]);
421 ////////////////////////
422 for(int ij = 0;ij<kMaxJets;++ij){
423 fHistList->Add(fh1E[ij]);
424 fHistList->Add(fh1PtRecIn[ij]);
425 fHistList->Add(fh1PtRecOut[ij]);
426 fHistList->Add(fh1PtGenIn[ij]);
427 fHistList->Add(fh1PtGenOut[ij]);
428 fHistList->Add(fh2PtFGen[ij]);
429 fHistList->Add(fh2PhiFGen[ij]);
430 fHistList->Add(fh2EtaFGen[ij]);
431 fHistList->Add(fh2PtGenDeltaEta[ij]);
432 fHistList->Add(fh2PtGenDeltaPhi[ij]);
433 fHistList->Add(fh2PtRecDeltaR[ij]);
434 fHistList->Add(fh2PtGenDeltaR[ij]);
435 fHistList->Add(fh3RecEtaPhiPt[ij]);
436 fHistList->Add(fh3GenEtaPhiPt[ij]);
438 fHistList->Add(fh3RecEtaPhiPtNoGen[ij]);
439 fHistList->Add(fh3GenEtaPhiPtNoFound[ij]);
444 // =========== Switch on Sumw2 for all histos ===========
445 for (Int_t i=0; i<fHistList->GetEntries(); ++i) {
446 TH1 *h1 = dynamic_cast<TH1*>(fHistList->At(i));
448 // Printf("%s ",h1->GetName());
452 THnSparse *hn = dynamic_cast<THnSparse*>(fHistList->At(i));
456 TH1::AddDirectory(oldStatus);
460 void AliAnalysisTaskJetSpectrum::Init()
466 Printf(">>> AnalysisTaskJetSpectrum::Init() debug level %d\n",fDebug);
467 if (fDebug > 1) printf("AnalysisTaskJetSpectrum::Init() \n");
471 void AliAnalysisTaskJetSpectrum::UserExec(Option_t */*option*/)
474 // Execute analysis for current event
479 if (fDebug > 1)printf("Analysing event # %5d\n", (Int_t) fEntry);
482 AliAODHandler *aodH = dynamic_cast<AliAODHandler*>(AliAnalysisManager::GetAnalysisManager()->GetOutputEventHandler());
485 Printf("%s:%d no output aodHandler found Jet",(char*)__FILE__,__LINE__);
490 // aodH->SelectEvent(kTRUE);
492 // ========= These pointers need to be valid in any case =======
496 AliUA1JetHeaderV1 *jhRec = dynamic_cast<AliUA1JetHeaderV1*>(fJetFinderRec->GetHeader());
498 Printf("%s:%d No Jet Header found",(char*)__FILE__,__LINE__);
502 if (fDebug > 10)Printf("%s:%d",(char*)__FILE__,__LINE__);
503 TClonesArray *aodRecJets = dynamic_cast<TClonesArray*>(fAOD->FindListObject(fBranchRec.Data()));
505 Printf("%s:%d no reconstructed Jet array with name %s in AOD",(char*)__FILE__,__LINE__,fBranchRec.Data());
509 // ==== General variables needed
512 // We use statice array, not to fragment the memory
513 AliAODJet genJets[kMaxJets];
515 AliAODJet recJets[kMaxJets];
517 ///////////////////////////
519 //////////////////////////
523 Double_t nTrials = 1; // Trials for MC trigger weigth for real data
525 if(fUseExternalWeightOnly){
526 eventW = fExternalWeight;
530 if (fDebug > 10)Printf("%s:%d",(char*)__FILE__,__LINE__);
531 if((fAnalysisType&kAnaMC)==kAnaMC){
532 // this is the part we only use when we have MC information
533 AliMCEvent* mcEvent = MCEvent();
534 // AliStack *pStack = 0;
536 Printf("%s:%d no mcEvent",(char*)__FILE__,__LINE__);
539 AliGenPythiaEventHeader* pythiaGenHeader = AliAnalysisHelperJetTasks::GetPythiaEventHeader(mcEvent);
540 if(!pythiaGenHeader){
544 nTrials = pythiaGenHeader->Trials();
545 ptHard = pythiaGenHeader->GetPtHard();
546 int iProcessType = pythiaGenHeader->ProcessType();
548 // 12 f+barf -> f+barf
554 if (fDebug > 10)Printf("%d iProcessType %d",__LINE__, iProcessType);
555 // if(iProcessType != 13 && iProcessType != 68){ // allow only glue
556 if(iProcessType != 11 && iProcessType != 12 && iProcessType != 53){ // allow only quark
557 // if(iProcessType != 28){ // allow only -> f+g
558 PostData(1, fHistList);
562 if (fDebug > 10)Printf("%d iProcessType %d",__LINE__, iProcessType);
564 if(fDebug>20)AliAnalysisHelperJetTasks::PrintStack(mcEvent);
566 if(!fUseExternalWeightOnly){
567 // case were we combine more than one p_T hard bin...
570 // fetch the pythia generated jets only to be used here
571 Int_t nPythiaGenJets = pythiaGenHeader->NTriggerJets();
572 AliAODJet pythiaGenJets[kMaxJets];
574 for(int ip = 0;ip < nPythiaGenJets;++ip){
575 if(iCount>=kMaxJets)continue;
577 pythiaGenHeader->TriggerJet(ip,p);
578 pythiaGenJets[iCount].SetPxPyPzE(p[0],p[1],p[2],p[3]);
581 if(pythiaGenJets[iCount].Eta()>fJetHeaderRec->GetJetEtaMax()||
582 pythiaGenJets[iCount].Eta()<fJetHeaderRec->GetJetEtaMin())continue;
586 if(fBranchGen.Length()==0){
587 // if we have MC particles and we do not read from the aod branch
588 // use the pythia jets
589 genJets[iCount].SetPxPyPzE(p[0],p[1],p[2],p[3]);
593 if(fBranchGen.Length()==0)nGenJets = iCount;
595 }// (fAnalysisType&kMC)==kMC)
597 if (fDebug > 10)Printf("%s:%d",(char*)__FILE__,__LINE__);
598 fh1PtHard->Fill(ptHard,eventW);
599 fh1PtHardNoW->Fill(ptHard,1);
600 fh1PtHardTrials->Fill(ptHard,nTrials);
602 // If we set a second branch for the input jets fetch this
603 if(fBranchGen.Length()>0){
604 TClonesArray *aodGenJets = dynamic_cast<TClonesArray*>(fAOD->FindListObject(fBranchGen.Data()));
607 for(int ig = 0;ig < aodGenJets->GetEntries();++ig){
608 if(iCount>=kMaxJets)continue;
609 AliAODJet *tmp = dynamic_cast<AliAODJet*>(aodGenJets->At(ig));
612 if(tmp->Eta()>fJetHeaderRec->GetJetEtaMax()||
613 tmp->Eta()<fJetHeaderRec->GetJetEtaMin())continue;
615 genJets[iCount] = *tmp;
621 Printf("%s:%d Generated jet branch %s not found",(char*)__FILE__,__LINE__,fBranchGen.Data());
625 fh1NGenJets->Fill(nGenJets);
626 // We do not want to exceed the maximum jet number
627 nGenJets = TMath::Min(nGenJets,kMaxJets);
629 // Fetch the reconstructed jets...
632 nRecJets = aodRecJets->GetEntries();
633 fh1NRecJets->Fill(nRecJets);
634 nRecJets = TMath::Min(nRecJets,kMaxJets);
635 //////////////////////////////////////////
636 nTracks = fAOD->GetNumberOfTracks();
637 ///////////////////////////////////////////
639 for(int ir = 0;ir < nRecJets;++ir){
640 AliAODJet *tmp = dynamic_cast<AliAODJet*>(aodRecJets->At(ir));
646 if (fDebug > 10)Printf("%s:%d",(char*)__FILE__,__LINE__);
648 Int_t iGenIndex[kMaxJets]; // Index of the generated jet for i-th rec -1 if none
649 Int_t iRecIndex[kMaxJets]; // Index of the rec jet for i-th gen -1 if none
651 for(int i = 0;i<kMaxJets;++i){
652 iGenIndex[i] = iRecIndex[i] = -1;
656 AliAnalysisHelperJetTasks::GetClosestJets(genJets,nGenJets,recJets,nRecJets,
657 iGenIndex,iRecIndex,fDebug);
658 if (fDebug > 10)Printf("%s:%d",(char*)__FILE__,__LINE__);
661 for(int i = 0;i<kMaxJets;++i){
662 if(iGenIndex[i]>=0)Printf("iGenFound: %d -> %d",i,iGenIndex[i]);
663 if(iRecIndex[i]>=0)Printf("iRecFound: %d -> %d",i,iRecIndex[i]);
667 // loop over reconstructed jets
668 for(int ir = 0;ir < nRecJets;++ir){
669 Double_t ptRec = recJets[ir].Pt();
670 Double_t phiRec = recJets[ir].Phi();
671 Double_t phiRecRan = TMath::Pi()*gRandom->Rndm(); // better take real jet axis from previous events (TPC acceptance in phi)
672 if(phiRec<0)phiRec+=TMath::Pi()*2.;
673 Double_t etaRec = recJets[ir].Eta();
674 if (fDebug > 10)Printf("%s:%d",(char*)__FILE__,__LINE__);
675 fh1E[ir]->Fill(recJets[ir].E(),eventW);
676 fh1PtRecIn[ir]->Fill(ptRec,eventW);
677 fh3RecEtaPhiPt[ir]->Fill(etaRec,phiRec,ptRec,eventW);
678 for(int irr = ir+1;irr<nRecJets;irr++){
679 fh2PtRecDeltaR[ir]->Fill(recJets[irr].Pt(),recJets[ir].DeltaR(&recJets[irr]));
682 Int_t ig = iGenIndex[ir];
683 if(ig>=0 && ig<nGenJets){
684 if (fDebug > 10)Printf("%s:%d",(char*)__FILE__,__LINE__);
685 if (fDebug > 10)Printf("%s:%d ig = %d ir = %d",(char*)__FILE__,__LINE__,ig,ir);
686 fh1PtRecOut[ir]->Fill(ptRec,eventW);
687 Double_t ptGen = genJets[ig].Pt();
688 Double_t phiGen = genJets[ig].Phi();
689 if(phiGen<0)phiGen+=TMath::Pi()*2.;
690 Double_t etaGen = genJets[ig].Eta();
693 // we accept only jets which are detected within a smaller window, to avoid ambigious pair association at the edges of the acceptance
696 if(TMath::Abs(etaRec)<fRecEtaWindow){
698 fh2PtFGen[ir]->Fill(ptRec,ptGen,eventW);
699 fh2PhiFGen[ir]->Fill(phiRec,phiGen,eventW);
700 fh2EtaFGen[ir]->Fill(etaRec,etaGen,eventW);
701 fh2PtGenDeltaEta[ir]->Fill(ptGen,etaGen-etaRec,eventW);
702 fh2PtGenDeltaPhi[ir]->Fill(ptGen,phiGen-phiRec,eventW);
703 fh3PtRecGenHard[ir]->Fill(ptRec,ptGen,ptHard,eventW);
704 fh3PtRecGenHardNoW[ir]->Fill(ptRec,ptGen,ptHard,1);
705 /////////////////////////////////////////////////////
707 // Double_t eRec = recJets[ir].E();
708 // Double_t eGen = genJets[ig].E();
709 // CKB use p_T not Energy
710 // TODO recname variabeles and histos
711 Double_t eRec = recJets[ir].E();
712 Double_t eGen = genJets[ig].E();
714 fh2Efficiency->Fill(eGen, eRec/eGen);
716 if (eGen>=0. && eGen<=250.){
717 Double_t eLeading = -1;
718 Double_t ptleading = -1;
721 for (Int_t it = 0; it< nTracks; it++){
722 // if (fAOD->GetTrack(it)->E() > eGen) continue; // CKB. Not allowed! cannot cut on gen properties in real events!
723 // find leading particle
724 // if (r<0.4 && fAOD->GetTrack(it)->E()>eLeading){
725 // TODO implement esd filter flag to be the same as in the jet finder
726 // allow also for MC particles...
727 Float_t r = recJets[ir].DeltaR(fAOD->GetTrack(it));
728 if (r<0.4 && fAOD->GetTrack(it)->Pt()>ptleading){
729 eLeading = fAOD->GetTrack(it)->E();
730 ptleading = fAOD->GetTrack(it)->Pt();
732 // if (fAOD->GetTrack(it)->Pt()>0.03*eGen && fAOD->GetTrack(it)->E()<=eGen && r<0.7) // CKB cannot cut on gen properties
733 if (fAOD->GetTrack(it)->Pt()>0.03*eRec && fAOD->GetTrack(it)->Pt()<=eRec && r<0.7)
737 // correlate jet axis of leading jet with particles
739 Float_t phi = fAOD->GetTrack(it)->Phi();
740 Float_t dPhi = phi - phiRec;
741 if(dPhi>TMath::Pi()/1.5)dPhi = dPhi - 2.*TMath::Pi();
742 if(dPhi<(-0.5*TMath::Pi()))dPhi = dPhi + 2.*TMath::Pi();
743 Float_t dPhiRan = phi - phiRecRan;
744 if(dPhiRan>TMath::Pi()/1.5)dPhiRan = dPhiRan - 2.*TMath::Pi();
745 if(dPhiRan<(-0.5*TMath::Pi()))dPhiRan = dPhiRan + 2.*TMath::Pi();
746 ((TH2F*)fHistList->FindObject("fh2PtRecPhiCorr"))->Fill(ptRec,dPhi);
747 ((TH2F*)fHistList->FindObject("fh2PtRecPhiCorrRan"))->Fill(ptRec,dPhiRan);
748 ((TH2F*)fHistList->FindObject("fh2PtRecPhiCorrPt"))->Fill(ptRec,dPhi,fAOD->GetTrack(it)->Pt());
749 ((TH2F*)fHistList->FindObject("fh2PtRecPhiCorrPtRan"))->Fill(ptRec,dPhiRan,fAOD->GetTrack(it)->Pt());
753 if (fDebug > 10)Printf("%s:%d",(char*)__FILE__,__LINE__);
755 // fill Response Map (4D histogram) and Energy vs z distributions
756 Double_t var[4] = {eGen, eRec, ptleading/eGen, ptleading/eRec};
757 fh2ERecZRec->Fill(var[1],var[3]); // this has to be filled always in the real case...
758 fh2EGenZGen->Fill(var[0],var[2]);
759 fh1JetMultiplicity->Fill(nPart);
760 fh3EGenERecN->Fill(eGen, eRec, nPart);
761 for(int ic = 0;ic <kMaxCorrelation;ic++){
762 if (nPart<=fgkJetNpartCut[ic]){ // is this corrected for CKB
763 fhnCorrelation[ic]->Fill(var);
769 }// if etarec in window
772 ////////////////////////////////////////////////////
774 fh3RecEtaPhiPtNoGen[ir]->Fill(etaRec,phiRec,ptRec,eventW);
776 }// loop over reconstructed jets
779 if (fDebug > 10)Printf("%s:%d",(char*)__FILE__,__LINE__);
780 for(int ig = 0;ig < nGenJets;++ig){
781 Double_t ptGen = genJets[ig].Pt();
783 Double_t phiGen = genJets[ig].Phi();
784 if(phiGen<0)phiGen+=TMath::Pi()*2.;
785 Double_t etaGen = genJets[ig].Eta();
786 fh3GenEtaPhiPt[ig]->Fill(etaGen,phiGen,ptGen,eventW);
787 fh1PtGenIn[ig]->Fill(ptGen,eventW);
788 for(int igg = ig+1;igg<nGenJets;igg++){
789 fh2PtGenDeltaR[ig]->Fill(genJets[igg].Pt(),genJets[ig].DeltaR(&genJets[igg]));
791 Int_t ir = iRecIndex[ig];
792 if(ir>=0&&ir<nRecJets){
793 fh1PtGenOut[ig]->Fill(ptGen,eventW);
796 fh3GenEtaPhiPtNoFound[ig]->Fill(etaGen,phiGen,ptGen,eventW);
798 }// loop over reconstructed jets
800 if (fDebug > 10)Printf("%s:%d",(char*)__FILE__,__LINE__);
801 PostData(1, fHistList);
804 void AliAnalysisTaskJetSpectrum::Terminate(Option_t */*option*/)
806 // Terminate analysis
808 if (fDebug > 1) printf("AnalysisJetSpectrum: Terminate() \n");