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>
28 #include <TRefArray.h>
36 #include <TLorentzVector.h>
37 #include <TClonesArray.h>
38 #include "TDatabasePDG.h"
40 #include "AliAnalysisTaskJetCluster.h"
41 #include "AliAnalysisManager.h"
42 #include "AliJetFinder.h"
43 #include "AliJetHeader.h"
44 #include "AliJetReader.h"
45 #include "AliESDEvent.h"
46 #include "AliAODEvent.h"
47 #include "AliAODHandler.h"
48 #include "AliAODTrack.h"
49 #include "AliAODJet.h"
50 #include "AliAODMCParticle.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"
58 #include "AliAODJetEventBackground.h"
60 #include "fastjet/PseudoJet.hh"
61 #include "fastjet/ClusterSequenceArea.hh"
62 #include "fastjet/AreaDefinition.hh"
63 #include "fastjet/JetDefinition.hh"
64 // get info on how fastjet was configured
65 #include "fastjet/config.h"
68 ClassImp(AliAnalysisTaskJetCluster)
70 AliAnalysisTaskJetCluster::~AliAnalysisTaskJetCluster(){
75 AliAnalysisTaskJetCluster::AliAnalysisTaskJetCluster(): AliAnalysisTaskSE(),
79 fUseAODTrackInput(kFALSE),
80 fUseAODMCInput(kFALSE),
81 fUseGlobalSelection(kFALSE),
82 fUseBackgroundCalc(kFALSE),
84 fTrackTypeRec(kTrackUndef),
85 fTrackTypeGen(kTrackUndef),
97 fBackgroundBranch(""),
100 fAlgorithm(fastjet::kt_algorithm),
101 fStrategy(fastjet::Best),
102 fRecombScheme(fastjet::BIpt_scheme),
103 fAreaType(fastjet::active_area),
105 fActiveAreaRepeats(1),
112 fh1PtHardTrials(0x0),
115 fh1NConstLeadingRec(0x0),
117 fh1PtJetsLeadingRecIn(0x0),
118 fh1PtJetConstRec(0x0),
119 fh1PtJetConstLeadingRec(0x0),
120 fh1PtTracksRecIn(0x0),
121 fh1PtTracksLeadingRecIn(0x0),
123 fh1NConstRecRan(0x0),
124 fh1PtJetsLeadingRecInRan(0x0),
125 fh1NConstLeadingRecRan(0x0),
126 fh1PtJetsRecInRan(0x0),
127 fh1PtTracksGenIn(0x0),
129 fh1CentralityPhySel(0x0),
131 fh1CentralitySelect(0x0),
136 fh2NRecTracksPt(0x0),
138 fh2NConstLeadingPt(0x0),
140 fh2LeadingJetPhiEta(0x0),
142 fh2LeadingJetEtaPt(0x0),
144 fh2LeadingTrackEtaPt(0x0),
145 fh2JetsLeadingPhiEta(0x0),
146 fh2JetsLeadingPhiPt(0x0),
147 fh2TracksLeadingPhiEta(0x0),
148 fh2TracksLeadingPhiPt(0x0),
149 fh2TracksLeadingJetPhiPt(0x0),
150 fh2JetsLeadingPhiPtW(0x0),
151 fh2TracksLeadingPhiPtW(0x0),
152 fh2TracksLeadingJetPhiPtW(0x0),
153 fh2NRecJetsPtRan(0x0),
155 fh2NConstLeadingPtRan(0x0),
160 fh2TracksLeadingJetPhiPtRan(0x0),
161 fh2TracksLeadingJetPhiPtWRan(0x0),
164 for(int i = 0;i<3;i++){
165 fh1BiARandomCones[i] = 0;
166 fh1BiARandomConesRan[i] = 0;
168 for(int i = 0;i<kMaxCent;i++){
169 fh2JetsLeadingPhiPtC[i] = 0;
170 fh2JetsLeadingPhiPtWC[i] = 0; //! jet correlation with leading jet
171 fh2TracksLeadingJetPhiPtC[i] = 0;
172 fh2TracksLeadingJetPhiPtWC[i] = 0;
176 AliAnalysisTaskJetCluster::AliAnalysisTaskJetCluster(const char* name):
177 AliAnalysisTaskSE(name),
181 fUseAODTrackInput(kFALSE),
182 fUseAODMCInput(kFALSE),
183 fUseGlobalSelection(kFALSE),
184 fUseBackgroundCalc(kFALSE),
186 fTrackTypeRec(kTrackUndef),
187 fTrackTypeGen(kTrackUndef),
199 fBackgroundBranch(""),
202 fAlgorithm(fastjet::kt_algorithm),
203 fStrategy(fastjet::Best),
204 fRecombScheme(fastjet::BIpt_scheme),
205 fAreaType(fastjet::active_area),
207 fActiveAreaRepeats(1),
214 fh1PtHardTrials(0x0),
217 fh1NConstLeadingRec(0x0),
219 fh1PtJetsLeadingRecIn(0x0),
220 fh1PtJetConstRec(0x0),
221 fh1PtJetConstLeadingRec(0x0),
222 fh1PtTracksRecIn(0x0),
223 fh1PtTracksLeadingRecIn(0x0),
225 fh1NConstRecRan(0x0),
226 fh1PtJetsLeadingRecInRan(0x0),
227 fh1NConstLeadingRecRan(0x0),
228 fh1PtJetsRecInRan(0x0),
229 fh1PtTracksGenIn(0x0),
231 fh1CentralityPhySel(0x0),
233 fh1CentralitySelect(0x0),
238 fh2NRecTracksPt(0x0),
240 fh2NConstLeadingPt(0x0),
242 fh2LeadingJetPhiEta(0x0),
244 fh2LeadingJetEtaPt(0x0),
246 fh2LeadingTrackEtaPt(0x0),
247 fh2JetsLeadingPhiEta(0x0),
248 fh2JetsLeadingPhiPt(0x0),
249 fh2TracksLeadingPhiEta(0x0),
250 fh2TracksLeadingPhiPt(0x0),
251 fh2TracksLeadingJetPhiPt(0x0),
252 fh2JetsLeadingPhiPtW(0x0),
253 fh2TracksLeadingPhiPtW(0x0),
254 fh2TracksLeadingJetPhiPtW(0x0),
255 fh2NRecJetsPtRan(0x0),
257 fh2NConstLeadingPtRan(0x0),
262 fh2TracksLeadingJetPhiPtRan(0x0),
263 fh2TracksLeadingJetPhiPtWRan(0x0),
266 for(int i = 0;i<3;i++){
267 fh1BiARandomCones[i] = 0;
268 fh1BiARandomConesRan[i] = 0;
270 for(int i = 0;i<kMaxCent;i++){
271 fh2JetsLeadingPhiPtC[i] = 0;
272 fh2JetsLeadingPhiPtWC[i] = 0; //! jet correlation with leading jet
273 fh2TracksLeadingJetPhiPtC[i] = 0;
274 fh2TracksLeadingJetPhiPtWC[i] = 0;
276 DefineOutput(1, TList::Class());
281 Bool_t AliAnalysisTaskJetCluster::Notify()
284 // Implemented Notify() to read the cross sections
285 // and number of trials from pyxsec.root
290 void AliAnalysisTaskJetCluster::UserCreateOutputObjects()
294 // Create the output container
297 fRandom = new TRandom3(0);
303 if (fDebug > 1) printf("AnalysisTaskJetCluster::UserCreateOutputObjects() \n");
307 if(fNonStdBranch.Length()!=0)
309 // only create the output branch if we have a name
310 // Create a new branch for jets...
311 // -> cleared in the UserExec....
312 // here we can also have the case that the brnaches are written to a separate file
314 TClonesArray *tca = new TClonesArray("AliAODJet", 0);
315 tca->SetName(fNonStdBranch.Data());
316 AddAODBranch("TClonesArray",&tca,fNonStdFile.Data());
319 TClonesArray *tcaran = new TClonesArray("AliAODJet", 0);
320 tcaran->SetName(Form("%s_%s",fNonStdBranch.Data(),"random"));
321 AddAODBranch("TClonesArray",&tcaran,fNonStdFile.Data());
323 if(fUseBackgroundCalc){
324 if(!AODEvent()->FindListObject(Form("%s_%s",AliAODJetEventBackground::StdBranchName(),fNonStdBranch.Data()))){
325 AliAODJetEventBackground* evBkg = new AliAODJetEventBackground();
326 evBkg->SetName(Form("%s_%s",AliAODJetEventBackground::StdBranchName(),fNonStdBranch.Data()));
327 AddAODBranch("AliAODJetEventBackground",&evBkg,fNonStdFile.Data());
330 // create the branch for the random cones with the same R
331 TString cName = Form("%sRandomCone",fNonStdBranch.Data());
334 if(!AODEvent()->FindListObject(cName.Data())){
335 TClonesArray *tcaC = new TClonesArray("AliAODJet", 0);
336 tcaC->SetName(cName.Data());
337 AddAODBranch("TClonesArray",&tcaC,fNonStdFile.Data());
339 // create the branch with the random for the random cones on the random event
340 cName = Form("%sRandomCone_random",fNonStdBranch.Data());
341 if(!AODEvent()->FindListObject(cName.Data())){
342 TClonesArray *tcaCran = new TClonesArray("AliAODJet", 0);
343 tcaCran->SetName(cName.Data());
344 AddAODBranch("TClonesArray",&tcaCran,fNonStdFile.Data());
348 if(fNonStdFile.Length()!=0){
350 // case that we have an AOD extension we need to fetch the jets from the extended output
351 // we identify the extension aod event by looking for the branchname
352 AliAODHandler *aodH = dynamic_cast<AliAODHandler*>(AliAnalysisManager::GetAnalysisManager()->GetOutputEventHandler());
353 TObjArray* extArray = aodH->GetExtensions();
355 TIter next(extArray);
356 while ((fAODExtension=(AliAODExtension*)next())){
357 TObject *obj = fAODExtension->GetAOD()->FindListObject(fNonStdBranch.Data());
359 Printf("%s:%d Dumping..",(char*)__FILE__,__LINE__);
360 fAODExtension->GetAOD()->Dump();
363 if(fDebug>1)Printf("AODExtension found for %s",fNonStdBranch.Data());
373 if(!fHistList)fHistList = new TList();
374 fHistList->SetOwner();
376 Bool_t oldStatus = TH1::AddDirectoryStatus();
377 TH1::AddDirectory(kFALSE);
382 const Int_t nBinPt = 200;
383 Double_t binLimitsPt[nBinPt+1];
384 for(Int_t iPt = 0;iPt <= nBinPt;iPt++){
386 binLimitsPt[iPt] = 0.0;
389 binLimitsPt[iPt] = binLimitsPt[iPt-1] + 1.0;
393 const Int_t nBinPhi = 90;
394 Double_t binLimitsPhi[nBinPhi+1];
395 for(Int_t iPhi = 0;iPhi<=nBinPhi;iPhi++){
397 binLimitsPhi[iPhi] = -1.*TMath::Pi();
400 binLimitsPhi[iPhi] = binLimitsPhi[iPhi-1] + 1/(Float_t)nBinPhi * TMath::Pi()*2;
406 const Int_t nBinEta = 40;
407 Double_t binLimitsEta[nBinEta+1];
408 for(Int_t iEta = 0;iEta<=nBinEta;iEta++){
410 binLimitsEta[iEta] = -2.0;
413 binLimitsEta[iEta] = binLimitsEta[iEta-1] + 0.1;
417 const int nChMax = 4000;
419 fh1Xsec = new TProfile("fh1Xsec","xsec from pyxsec.root",1,0,1);
420 fh1Xsec->GetXaxis()->SetBinLabel(1,"<#sigma>");
422 fh1Trials = new TH1F("fh1Trials","trials root file",1,0,1);
423 fh1Trials->GetXaxis()->SetBinLabel(1,"#sum{ntrials}");
426 fh1NJetsRec = new TH1F("fh1NJetsRec","N reconstructed jets",120,-0.5,119.5);
427 fh1NJetsRecRan = new TH1F("fh1NJetsRecRan","N reconstructed jets",120,-0.5,119.5);
429 fh1NConstRec = new TH1F("fh1NConstRec","# jet constituents",120,-0.5,119.5);
430 fh1NConstRecRan = new TH1F("fh1NConstRecRan","# jet constituents",120,-0.5,119.5);
431 fh1NConstLeadingRec = new TH1F("fh1NConstLeadingRec","jet constituents",120,-0.5,119.5);
432 fh1NConstLeadingRecRan = new TH1F("fh1NConstLeadingRecRan","jet constituents",120,-0.5,119.5);
435 fh1PtHard = new TH1F("fh1PtHard","PYTHIA Pt hard;p_{T,hard}",nBinPt,binLimitsPt);
436 fh1PtHardNoW = new TH1F("fh1PtHardNoW","PYTHIA Pt hard no weight;p_{T,hard}",nBinPt,binLimitsPt);
437 fh1PtHardTrials = new TH1F("fh1PtHardTrials","PYTHIA Pt hard weight with trials;p_{T,hard}",nBinPt,binLimitsPt);
439 fh1PtJetsRecIn = new TH1F("fh1PtJetsRecIn","Rec jets P_T;p_{T} (GeV/c)",nBinPt,binLimitsPt);
440 fh1PtJetsRecInRan = new TH1F("fh1PtJetsRecInRan","Rec jets P_T;p_{T} (GeV/c)",nBinPt,binLimitsPt);
441 fh1PtJetsLeadingRecIn = new TH1F("fh1PtJetsLeadingRecIn","Rec jets P_T;p_{T} (GeV/c)",nBinPt,binLimitsPt);
442 fh1PtJetsLeadingRecInRan = new TH1F("fh1PtJetsLeadingRecInRan","Rec jets P_T;p_{T} (GeV/c)",nBinPt,binLimitsPt);
443 fh1PtJetConstRec = new TH1F("fh1PtJetsConstRec","Rec jets constituents P_T;p_{T} (GeV/c)",nBinPt,binLimitsPt);
444 fh1PtJetConstLeadingRec = new TH1F("fh1PtJetsConstLeadingRec","Rec jets constituents P_T;p_{T} (GeV/c)",nBinPt,binLimitsPt);
445 fh1PtTracksRecIn = new TH1F("fh1PtTracksRecIn","Rec tracks P_T #eta < 0.9;p_{T} (GeV/c)",nBinPt,binLimitsPt);
446 fh1PtTracksLeadingRecIn = new TH1F("fh1PtTracksLeadingRecIn","Rec tracks P_T #eta < 0.9;p_{T} (GeV/c)",nBinPt,binLimitsPt);
447 fh1PtTracksGenIn = new TH1F("fh1PtTracksGenIn","gen tracks P_T #eta < 0.9;p_{T} (GeV/c)",nBinPt,binLimitsPt);
448 fh1Nch = new TH1F("fh1Nch","charged multiplicity; N_{ch}",nChMax,-0.5,nChMax-0.5);
450 fh1Centrality = new TH1F("fh1Centrality",";cent (%)",111,-0.5,110.5);
451 fh1CentralitySelect = new TH1F("fh1CentralitySelect",";cent (%)",111,-0.5,110.5);
452 fh1CentralityPhySel = new TH1F("fh1CentralityPhySel",";cent (%)",111,-0.5,110.5);
454 fh1Z = new TH1F("fh1Z",";zvtx",100,-25,25);
455 fh1ZSelect = new TH1F("fh1ZSelect",";zvtx",100,-25,25);
456 fh1ZPhySel = new TH1F("fh1ZPhySel",";zvtx",100,-25,25);
458 fh2NRecJetsPt = new TH2F("fh2NRecJetsPt","Number of jets above threshhold;p_{T,cut} (GeV/c);N_{jets}",nBinPt,binLimitsPt,50,-0.5,49.5);
459 fh2NRecJetsPtRan = new TH2F("fh2NRecJetsPtRan","Number of jets above threshhold;p_{T,cut} (GeV/c);N_{jets}",nBinPt,binLimitsPt,50,-0.5,49.5);
460 fh2NRecTracksPt = new TH2F("fh2NRecTracksPt","Number of tracks above threshhold;p_{T,cut} (GeV/c);N_{tracks}",nBinPt,binLimitsPt,50,-0.5,49.5);
464 fh2NConstPt = new TH2F("fh2NConstPt","Number of constituents ;p_{T} (GeV/c);N",nBinPt,binLimitsPt,50,-0.5,49.5);
465 fh2NConstLeadingPt = new TH2F("fh2NConstLeadingPt","Number of constituents ;p_{T} (GeV/c);N",nBinPt,binLimitsPt,50,-0.5,49.5);
466 fh2NConstPtRan = new TH2F("fh2NConstPtRan","Number of constituents ;p_{T} (GeV/c);N",nBinPt,binLimitsPt,50,-0.5,49.5);
467 fh2NConstLeadingPtRan = new TH2F("fh2NConstLeadingPtRan","Number of constituents ;p_{T} (GeV/c);N",nBinPt,binLimitsPt,50,-0.5,49.5);
469 fh2PtNch = new TH2F("fh2PtNch","p_T of cluster vs. multiplicity; N_{ch};p_{T} (GeV/c);",nChMax,-0.5,nChMax-0.5,nBinPt,binLimitsPt);
470 fh2PtNchRan = new TH2F("fh2PtNchRan","p_T of cluster vs. multiplicity ran; N_{ch};p_{T} (GeV/c);",nChMax,-0.5,nChMax-0.5,nBinPt,binLimitsPt);
471 fh2PtNchN = new TH2F("fh2PtNchN","p_T of cluster vs. multiplicity N weighted; N_{ch};p_{T} (GeV/c);",nChMax,-0.5,nChMax-0.5,nBinPt,binLimitsPt);
472 fh2PtNchNRan = new TH2F("fh2PtNchNRan","p_T of cluster vs. multiplicity N weighted ran; N_{ch};p_{T} (GeV/c);",nChMax,-0.5,nChMax-0.5,nBinPt,binLimitsPt);
476 fh2JetPhiEta = new TH2F("fh2JetPhiEta","eta vs phi all jets;#phi;#eta",
477 nBinPhi,0.,2.*TMath::Pi(),nBinEta,binLimitsEta);
478 fh2LeadingJetPhiEta = new TH2F("fh2LeadingJetPhiEta","eta vs phi leading jets;#phi;#eta",
479 nBinPhi,0.,2.*TMath::Pi(),nBinEta,binLimitsEta);
481 fh2JetEtaPt = new TH2F("fh2JetEtaPt","pt vs eta all jets;#eta;p_{T}",
482 nBinEta,binLimitsEta,nBinPt,binLimitsPt);
483 fh2LeadingJetEtaPt = new TH2F("fh2LeadingJetEtaPt","pT vs eta leading jets;#eta;p_{T}",
484 nBinEta,binLimitsEta,nBinPt,binLimitsPt);
486 fh2TrackEtaPt = new TH2F("fh2TrackEtaPt","pt vs eta all jets;#eta;p_{T}",
487 nBinEta,binLimitsEta,nBinPt,binLimitsPt);
488 fh2LeadingTrackEtaPt = new TH2F("fh2LeadingTrackEtaPt","pT vs eta leading jets;#eta;p_{T}",
489 nBinEta,binLimitsEta,nBinPt,binLimitsPt);
493 fh2JetsLeadingPhiEta = new TH2F("fh2JetsLeadingPhiEta","delta eta vs delta phi to leading jet;#Delta#phi;#Delta#eta",
494 nBinPhi,binLimitsPhi,nBinEta,binLimitsEta);
495 fh2JetsLeadingPhiPt = new TH2F("fh2JetsLeadingPhiPt","leading p_T vs delta phi to leading jet;#Delta#phi;p_{T} (GeV/c)",
496 nBinPhi,binLimitsPhi,nBinPt,binLimitsPt);
497 fh2TracksLeadingPhiEta = new TH2F("fh2TracksLeadingPhiEta","delta eta vs delta phi to leading track;#Delta#phi;#Delta#eta",
498 nBinPhi,binLimitsPhi,nBinEta,binLimitsEta);
499 fh2TracksLeadingPhiPt = new TH2F("fh2TracksLeadingPhiPt","leading p_T vs delta phi to leading jet;#Delta#phi;p_{T} (GeV/c)",
500 nBinPhi,binLimitsPhi,nBinPt,binLimitsPt);
501 fh2TracksLeadingJetPhiPt = new TH2F("fh2TracksLeadingJetPhiPt","leading p_T vs delta phi to leading jet;#Delta#phi;p_{T} (GeV/c)",
502 nBinPhi,binLimitsPhi,nBinPt,binLimitsPt);
503 fh2TracksLeadingJetPhiPtRan = new TH2F("fh2TracksLeadingJetPhiPtRan","leading p_T vs delta phi to leading jet;#Delta#phi;p_{T} (GeV/c)",
504 nBinPhi,binLimitsPhi,nBinPt,binLimitsPt);
506 fh2JetsLeadingPhiPtW = new TH2F("fh2JetsLeadingPhiPtW","leading p_T vs delta phi p_T weigted to leading jet;#Delta#phi;p_{T} (GeV/c)",
507 nBinPhi,binLimitsPhi,nBinPt,binLimitsPt);
508 fh2TracksLeadingPhiPtW = new TH2F("fh2TracksLeadingPhiPtW","leading p_T vs delta phi to leading jet (p_T weighted);#Delta#phi;p_{T} (GeV/c)",
509 nBinPhi,binLimitsPhi,nBinPt,binLimitsPt);
511 fh2TracksLeadingJetPhiPtW = new TH2F("fh2TracksLeadingJetPhiPtW","leading p_T vs delta phi to leading jet;#Delta#phi;p_{T} (GeV/c)",
512 nBinPhi,binLimitsPhi,nBinPt,binLimitsPt);
513 fh2TracksLeadingJetPhiPtWRan = new TH2F("fh2TracksLeadingJetPhiPtWRan","leading p_T vs delta phi to leading jet;#Delta#phi;p_{T} (GeV/c)",
514 nBinPhi,binLimitsPhi,nBinPt,binLimitsPt);
517 if(fNRandomCones>0&&fUseBackgroundCalc){
518 for(int i = 0;i<3;i++){
519 fh1BiARandomCones[i] = new TH1F(Form("fh1BiARandomCones%d",i),";B_{i}^{A} (GeV/c)",200,-100,100);
520 fh1BiARandomConesRan[i] = new TH1F(Form("fh1BiARandomConesRan%d",i),";B_{i}^{A} (GeV/c)",200,-100,100);
524 for(int i = 0;i < kMaxCent;i++){
525 fh2JetsLeadingPhiPtC[i] = (TH2F*)fh2JetsLeadingPhiPt->Clone(Form("%s_C%02d",fh2JetsLeadingPhiPt->GetName(),i+1));
526 fh2JetsLeadingPhiPtWC[i]= (TH2F*)fh2JetsLeadingPhiPtW->Clone(Form("%s_C%02d",fh2JetsLeadingPhiPtW->GetName(),i+1));
527 fh2TracksLeadingJetPhiPtC[i] = (TH2F*)fh2TracksLeadingJetPhiPt->Clone(Form("%s_C%02d",fh2TracksLeadingJetPhiPt->GetName(),i+1));
528 fh2TracksLeadingJetPhiPtWC[i] = (TH2F*)fh2TracksLeadingJetPhiPtW->Clone(Form("%s_C%02d",fh2TracksLeadingJetPhiPtW->GetName(),i+1));
531 const Int_t saveLevel = 3; // large save level more histos
533 fHistList->Add(fh1Xsec);
534 fHistList->Add(fh1Trials);
536 fHistList->Add(fh1NJetsRec);
537 fHistList->Add(fh1NConstRec);
538 fHistList->Add(fh1NConstLeadingRec);
539 fHistList->Add(fh1PtJetsRecIn);
540 fHistList->Add(fh1PtJetsLeadingRecIn);
541 fHistList->Add(fh1PtTracksRecIn);
542 fHistList->Add(fh1PtTracksLeadingRecIn);
543 fHistList->Add(fh1PtJetConstRec);
544 fHistList->Add(fh1PtJetConstLeadingRec);
545 fHistList->Add(fh1NJetsRecRan);
546 fHistList->Add(fh1NConstRecRan);
547 fHistList->Add(fh1PtJetsLeadingRecInRan);
548 fHistList->Add(fh1NConstLeadingRecRan);
549 fHistList->Add(fh1PtJetsRecInRan);
550 fHistList->Add(fh1Nch);
551 fHistList->Add(fh1Centrality);
552 fHistList->Add(fh1CentralitySelect);
553 fHistList->Add(fh1CentralityPhySel);
554 fHistList->Add(fh1Z);
555 fHistList->Add(fh1ZSelect);
556 fHistList->Add(fh1ZPhySel);
557 if(fNRandomCones&&fUseBackgroundCalc){
558 for(int i = 0;i<3;i++){
559 fHistList->Add(fh1BiARandomCones[i]);
560 fHistList->Add(fh1BiARandomConesRan[i]);
563 for(int i = 0;i < kMaxCent;i++){
564 fHistList->Add(fh2JetsLeadingPhiPtC[i]);
565 fHistList->Add(fh2JetsLeadingPhiPtWC[i]);
566 fHistList->Add(fh2TracksLeadingJetPhiPtC[i]);
567 fHistList->Add(fh2TracksLeadingJetPhiPtWC[i]);
570 fHistList->Add(fh2NRecJetsPt);
571 fHistList->Add(fh2NRecTracksPt);
572 fHistList->Add(fh2NConstPt);
573 fHistList->Add(fh2NConstLeadingPt);
574 fHistList->Add(fh2PtNch);
575 fHistList->Add(fh2PtNchRan);
576 fHistList->Add(fh2PtNchN);
577 fHistList->Add(fh2PtNchNRan);
578 fHistList->Add(fh2JetPhiEta);
579 fHistList->Add(fh2LeadingJetPhiEta);
580 fHistList->Add(fh2JetEtaPt);
581 fHistList->Add(fh2LeadingJetEtaPt);
582 fHistList->Add(fh2TrackEtaPt);
583 fHistList->Add(fh2LeadingTrackEtaPt);
584 fHistList->Add(fh2JetsLeadingPhiEta );
585 fHistList->Add(fh2JetsLeadingPhiPt);
586 fHistList->Add(fh2TracksLeadingPhiEta);
587 fHistList->Add(fh2TracksLeadingPhiPt);
588 fHistList->Add(fh2TracksLeadingJetPhiPt);
589 fHistList->Add(fh2JetsLeadingPhiPtW);
590 fHistList->Add(fh2TracksLeadingPhiPtW);
591 fHistList->Add(fh2TracksLeadingJetPhiPtW);
592 fHistList->Add(fh2NRecJetsPtRan);
593 fHistList->Add(fh2NConstPtRan);
594 fHistList->Add(fh2NConstLeadingPtRan);
595 fHistList->Add(fh2TracksLeadingJetPhiPtRan);
596 fHistList->Add(fh2TracksLeadingJetPhiPtWRan);
599 // =========== Switch on Sumw2 for all histos ===========
600 for (Int_t i=0; i<fHistList->GetEntries(); ++i) {
601 TH1 *h1 = dynamic_cast<TH1*>(fHistList->At(i));
606 THnSparse *hn = dynamic_cast<THnSparse*>(fHistList->At(i));
609 TH1::AddDirectory(oldStatus);
612 void AliAnalysisTaskJetCluster::Init()
618 if (fDebug > 1) printf("AnalysisTaskJetCluster::Init() \n");
622 void AliAnalysisTaskJetCluster::UserExec(Option_t */*option*/)
625 if(fUseGlobalSelection){
626 // no selection by the service task, we continue
627 if (fDebug > 1)Printf("Not selected %s:%d",(char*)__FILE__,__LINE__);
628 PostData(1, fHistList);
634 // handle and reset the output jet branch
635 // only need this once
636 TClonesArray* jarray = 0;
637 TClonesArray* jarrayran = 0;
638 TClonesArray* rConeArray = 0;
639 TClonesArray* rConeArrayRan = 0;
640 AliAODJetEventBackground* evBkg = 0;
641 if(fNonStdBranch.Length()!=0) {
642 if(AODEvent())jarray = (TClonesArray*)(AODEvent()->FindListObject(fNonStdBranch.Data()));
643 if(!jarray)jarray = (TClonesArray*)(fAODExtension->GetAOD()->FindListObject(fNonStdBranch.Data()));
644 if(jarray)jarray->Delete(); // this is our responsibility, clear before filling again
645 if(AODEvent())jarrayran = (TClonesArray*)(AODEvent()->FindListObject(Form("%s_%s",fNonStdBranch.Data(),"random")));
646 if(!jarrayran)jarrayran = (TClonesArray*)(fAODExtension->GetAOD()->FindListObject(Form("%s_%s",fNonStdBranch.Data(),"random")));
647 if(jarrayran)jarrayran->Delete(); // this is our responsibility, clear before filling again
649 if(fUseBackgroundCalc){
650 if(AODEvent())evBkg = (AliAODJetEventBackground*)(AODEvent()->FindListObject(Form("%s_%s",AliAODJetEventBackground::StdBranchName(),fNonStdBranch.Data())));
651 if(!evBkg) evBkg = (AliAODJetEventBackground*)(fAODExtension->GetAOD()->FindListObject(Form("%s_%s",AliAODJetEventBackground::StdBranchName(),fNonStdBranch.Data())));
652 if(evBkg)evBkg->Reset();
656 TString cName = Form("%sRandomCone",fNonStdBranch.Data());
657 if(AODEvent())rConeArray = (TClonesArray*)(AODEvent()->FindListObject(cName.Data()));
658 if(!rConeArray)rConeArray = (TClonesArray*)(fAODExtension->GetAOD()->FindListObject(cName.Data()));
659 if(rConeArray)rConeArray->Delete();
661 cName = Form("%sRandomCone_random",fNonStdBranch.Data());
662 if(AODEvent())rConeArrayRan = (TClonesArray*)(AODEvent()->FindListObject(cName.Data()));
663 if(!rConeArrayRan)rConeArrayRan = (TClonesArray*)(fAODExtension->GetAOD()->FindListObject(cName.Data()));
664 if(rConeArrayRan)rConeArrayRan->Delete();
668 AliAODJetEventBackground* externalBackground = 0;
669 if(!externalBackground&&fBackgroundBranch.Length()){
670 externalBackground = (AliAODJetEventBackground*)(AODEvent()->FindListObject(fBackgroundBranch.Data()));
671 if(!externalBackground)Printf("%s:%d Background branch not found %s",(char*)__FILE__,__LINE__,fBackgroundBranch.Data());;
674 // Execute analysis for current event
676 AliESDEvent *fESD = 0;
677 if(fUseAODTrackInput){
678 fAOD = dynamic_cast<AliAODEvent*>(InputEvent());
680 Printf("%s:%d AODEvent not found in Input Manager %d",(char*)__FILE__,__LINE__,fUseAODTrackInput);
686 // assume that the AOD is in the general output...
689 Printf("%s:%d AODEvent not found in the Output",(char*)__FILE__,__LINE__);
693 fESD = dynamic_cast<AliESDEvent*> (InputEvent());
697 Bool_t selectEvent = false;
698 Bool_t physicsSelection = true;// handled by the framework(fInputHandler->IsEventSelected()&AliVEvent::kMB)==AliVEvent::kMB;
704 const AliAODVertex *vtxAOD = fAOD->GetPrimaryVertex();
705 TString vtxTitle(vtxAOD->GetTitle());
706 zVtx = vtxAOD->GetZ();
708 cent = fAOD->GetHeader()->GetCentrality();
709 if(cent<10)cenClass = 0;
710 else if(cent<30)cenClass = 1;
711 else if(cent<50)cenClass = 2;
712 else if(cent<80)cenClass = 3;
713 if(physicsSelection){
714 fh1CentralityPhySel->Fill(cent);
715 fh1ZPhySel->Fill(zVtx);
719 if(vtxAOD->GetNContributors()>2&&!vtxTitle.Contains("TPCVertex")){
720 Float_t yvtx = vtxAOD->GetY();
721 Float_t xvtx = vtxAOD->GetX();
722 Float_t r2 = yvtx*yvtx+xvtx*xvtx;
723 if(TMath::Abs(zVtx)<8.&&r2<1.){ // apply vertex cut later on
724 if(physicsSelection){
730 if(cent<fCentCutLo||cent>fCentCutUp){
737 PostData(1, fHistList);
740 fh1Centrality->Fill(cent);
742 fh1Trials->Fill("#sum{ntrials}",1);
745 if (fDebug > 10)Printf("%s:%d",(char*)__FILE__,__LINE__);
747 // ==== General variables needed
751 // we simply fetch the tracks/mc particles as a list of AliVParticles
756 Int_t nT = GetListOfTracks(&recParticles,fTrackTypeRec);
757 Float_t nCh = recParticles.GetEntries();
759 if(fDebug>2)Printf("%s:%d Selected Rec tracks: %d %d",(char*)__FILE__,__LINE__,nT,recParticles.GetEntries());
760 nT = GetListOfTracks(&genParticles,fTrackTypeGen);
761 if(fDebug>2)Printf("%s:%d Selected Gen tracks: %d %d",(char*)__FILE__,__LINE__,nT,genParticles.GetEntries());
765 vector<fastjet::PseudoJet> inputParticlesRec;
766 vector<fastjet::PseudoJet> inputParticlesRecRan;
768 // Generate the random cones
770 AliAODJet vTmpRan(1,0,0,1);
771 for(int i = 0; i < recParticles.GetEntries(); i++){
772 AliVParticle *vp = (AliVParticle*)recParticles.At(i);
773 // Carefull energy is not well determined in real data, should not matter for p_T scheme?
774 // we take total momentum here
775 fastjet::PseudoJet jInp(vp->Px(),vp->Py(),vp->Pz(),vp->P());
776 jInp.set_user_index(i);
777 inputParticlesRec.push_back(jInp);
779 // the randomized input changes eta and phi, but keeps the p_T
780 if(i>=fNSkipLeadingRan){// eventually skip the leading particles
781 Double_t pT = vp->Pt();
782 Double_t eta = 1.8 * fRandom->Rndm() - 0.9;
783 Double_t phi = 2.* TMath::Pi() * fRandom->Rndm();
785 Double_t theta = 2.*TMath::ATan(TMath::Exp(-eta));
786 Double_t pZ = pT/TMath::Tan(theta);
788 Double_t pX = pT * TMath::Cos(phi);
789 Double_t pY = pT * TMath::Sin(phi);
790 Double_t p = TMath::Sqrt(pT*pT+pZ*pZ);
791 fastjet::PseudoJet jInpRan(pX,pY,pZ,p);
793 jInpRan.set_user_index(i);
794 inputParticlesRecRan.push_back(jInpRan);
795 vTmpRan.SetPxPyPzE(pX,pY,pZ,p);
798 // fill the tref array, only needed when we write out jets
801 fRef->Delete(); // make sure to delete before placement new...
802 new(fRef) TRefArray(TProcessID::GetProcessWithUID(vp));
808 if(inputParticlesRec.size()==0){
809 if(fDebug)Printf("%s:%d No input particles found, skipping event",(char*)__FILE__,__LINE__);
810 PostData(1, fHistList);
815 // employ setters for these...
818 // now create the object that holds info about ghosts
819 if(!fUseBackgroundCalc&& fNonStdBranch.Length()==0){
820 // reduce CPU time...
822 fActiveAreaRepeats = 0;
825 fastjet::GhostedAreaSpec ghostSpec(fGhostEtamax, fActiveAreaRepeats, fGhostArea);
826 fastjet::AreaType areaType = fastjet::active_area;
827 fastjet::AreaDefinition areaDef = fastjet::AreaDefinition(areaType,ghostSpec);
828 fastjet::JetDefinition jetDef(fAlgorithm, fRparam, fRecombScheme, fStrategy);
829 vector <fastjet::PseudoJet> inclusiveJets, sortedJets;
830 fastjet::ClusterSequenceArea clustSeq(inputParticlesRec, jetDef,areaDef);
832 //range where to compute background
833 Double_t phiMin = 0, phiMax = 0, rapMin = 0, rapMax = 0;
835 phiMax = 2*TMath::Pi();
836 rapMax = fGhostEtamax - fRparam;
837 rapMin = - fGhostEtamax + fRparam;
838 fastjet::RangeDefinition range(rapMin,rapMax, phiMin, phiMax);
842 inclusiveJets = clustSeq.inclusive_jets();
843 sortedJets = sorted_by_pt(inclusiveJets);
845 fh1NJetsRec->Fill(sortedJets.size());
847 // loop over all jets an fill information, first on is the leading jet
849 Int_t nRecOver = inclusiveJets.size();
850 Int_t nRec = inclusiveJets.size();
851 if(inclusiveJets.size()>0){
852 AliAODJet leadingJet (sortedJets[0].px(), sortedJets[0].py(), sortedJets[0].pz(), sortedJets[0].E());
853 Double_t area = clustSeq.area(sortedJets[0]);
854 leadingJet.SetEffArea(area,0);
855 Float_t pt = leadingJet.Pt();
856 Int_t nAodOutJets = 0;
857 Int_t nAodOutTracks = 0;
858 AliAODJet *aodOutJet = 0;
861 for(int i = 1;i <= fh2NRecJetsPt->GetNbinsX();i++){
862 Float_t ptCut = fh2NRecJetsPt->GetXaxis()->GetBinCenter(i);
863 while(pt<ptCut&&iCount<nRec){
867 pt = sortedJets[iCount].perp();
870 if(nRecOver<=0)break;
871 fh2NRecJetsPt->Fill(ptCut,nRecOver);
873 Float_t phi = leadingJet.Phi();
874 if(phi<0)phi+=TMath::Pi()*2.;
875 Float_t eta = leadingJet.Eta();
877 if(externalBackground){
878 // carefull has to be filled in a task before
879 // todo, ReArrange to the botom
880 pTback = externalBackground->GetBackground(1)*leadingJet.EffectiveAreaCharged();
882 pt = leadingJet.Pt() - pTback;
883 // correlation of leading jet with tracks
884 TIterator *recIter = recParticles.MakeIterator();
886 AliVParticle *tmpRecTrack = 0;
887 while((tmpRecTrack = (AliVParticle*)(recIter->Next()))){
888 Float_t tmpPt = tmpRecTrack->Pt();
890 Float_t tmpPhi = tmpRecTrack->Phi();
891 if(tmpPhi<0)tmpPhi+=TMath::Pi()*2.;
892 Float_t dPhi = phi - tmpPhi;
893 if(dPhi>TMath::Pi())dPhi = dPhi - 2.*TMath::Pi();
894 if(dPhi<(-1.*TMath::Pi()))dPhi = dPhi + 2.*TMath::Pi();
895 fh2TracksLeadingJetPhiPt->Fill(dPhi,pt);
896 fh2TracksLeadingJetPhiPtW->Fill(dPhi,pt,tmpPt);
898 fh2TracksLeadingJetPhiPtC[cenClass]->Fill(dPhi,pt);
899 fh2TracksLeadingJetPhiPtWC[cenClass]->Fill(dPhi,pt,tmpPt);
905 TLorentzVector vecareab;
906 for(int j = 0; j < nRec;j++){
907 AliAODJet tmpRec (sortedJets[j].px(), sortedJets[j].py(), sortedJets[j].pz(), sortedJets[j].E());
910 Float_t tmpPt = tmpRec.Pt();
912 if(tmpPt>fJetOutputMinPt&&jarray){// cut on the non-background subtracted...
913 aodOutJet = new ((*jarray)[nAodOutJets++]) AliAODJet(tmpRec);
914 Double_t area1 = clustSeq.area(sortedJets[j]);
915 aodOutJet->SetEffArea(area1,0);
916 fastjet::PseudoJet vecarea=clustSeq.area_4vector(sortedJets[j]);
917 vecareab.SetPxPyPzE(vecarea.px(),vecarea.py(),vecarea.pz(),vecarea.e());
918 aodOutJet->SetVectorAreaCharged(&vecareab);
924 Float_t tmpPtBack = 0;
925 if(externalBackground){
926 // carefull has to be filled in a task before
927 // todo, ReArrange to the botom
928 tmpPtBack = externalBackground->GetBackground(2)*tmpRec.EffectiveAreaCharged();
930 tmpPt = tmpPt - tmpPtBack;
931 if(tmpPt<0)tmpPt = 0; // avoid negative weights...
933 fh1PtJetsRecIn->Fill(tmpPt);
934 // Fill Spectra with constituents
935 vector<fastjet::PseudoJet> constituents = clustSeq.constituents(sortedJets[j]);
937 fh1NConstRec->Fill(constituents.size());
938 fh2PtNch->Fill(nCh,tmpPt);
939 fh2PtNchN->Fill(nCh,tmpPt,constituents.size());
940 fh2NConstPt->Fill(tmpPt,constituents.size());
941 // loop over constiutents and fill spectrum
943 // Add the jet information and the track references to the output AOD
947 // create a random jet within the acceptance
948 Double_t etaMax = 0.8 - fRparam;
951 Double_t pTC = 1; // small number
952 for(int ir = 0;ir < fNRandomCones;ir++){
953 Double_t etaC = etaMax*2.*(fRandom->Rndm()-0.5); // +- etamax
954 Double_t phiC = fRandom->Rndm()*2.*TMath::Pi(); // 0 - 2pi
956 Double_t thetaC = 2.*TMath::ATan(TMath::Exp(-etaC));
957 Double_t pZC = pTC/TMath::Tan(thetaC);
958 Double_t pXC = pTC * TMath::Cos(phiC);
959 Double_t pYC = pTC * TMath::Sin(phiC);
960 Double_t pC = TMath::Sqrt(pTC*pTC+pZC*pZC);
961 AliAODJet tmpRecC (pXC,pYC,pZC, pC);
963 for(int jj = 0; jj < TMath::Min(nRec,2);jj++){// test for overlap with leading jets
964 AliAODJet jet (sortedJets[jj].px(), sortedJets[jj].py(), sortedJets[jj].pz(), sortedJets[jj].E());
965 if(jet.DeltaR(& tmpRecC)<2.*fRparam+0.2){
970 // test for overlap with previous cones to avoid double counting
971 for(int iic = 0;iic<ir;iic++){
972 AliAODJet *iicone = (AliAODJet*)rConeArray->At(iic);
974 if(iicone->DeltaR(&tmpRecC)<2.*fRparam){
981 tmpRecC.SetBgEnergy(0,0); // this is use as temporary storage of the summed p_T below
982 if(rConeArrayRan)new ((*rConeArrayRan)[nConeRan++]) AliAODJet(tmpRecC);
983 if(rConeArray)new ((*rConeArray)[nCone++]) AliAODJet(tmpRecC);
987 // loop over the reconstructed particles and add up the pT in the random cones
988 // maybe better to loop over randomized particles not in the real jets...
989 // but this by definition brings dow average energy in the whole event
990 AliAODJet vTmpRanR(1,0,0,1);
991 for(int i = 0; i < recParticles.GetEntries(); i++){
992 AliVParticle *vp = (AliVParticle*)recParticles.At(i);
994 for(int ir = 0;ir < fNRandomCones;ir++){
995 AliAODJet *jC = (AliAODJet*)rConeArray->At(ir);
996 if(jC&&jC->DeltaR(vp)<fRparam){
997 jC->SetBgEnergy(jC->ChargedBgEnergy()+vp->Pt(),0);
1000 }// add up energy in cone
1002 // the randomized input changes eta and phi, but keeps the p_T
1003 if(i>=fNSkipLeadingRan){// eventually skip the leading particles
1004 Double_t pTR = vp->Pt();
1005 Double_t etaR = 1.8 * fRandom->Rndm() - 0.9;
1006 Double_t phiR = 2.* TMath::Pi() * fRandom->Rndm();
1008 Double_t thetaR = 2.*TMath::ATan(TMath::Exp(-etaR));
1009 Double_t pZR = pTR/TMath::Tan(thetaR);
1011 Double_t pXR = pTR * TMath::Cos(phiR);
1012 Double_t pYR = pTR * TMath::Sin(phiR);
1013 Double_t pR = TMath::Sqrt(pTR*pTR+pZR*pZR);
1014 vTmpRanR.SetPxPyPzE(pXR,pYR,pZR,pR);
1016 for(int ir = 0;ir < fNRandomCones;ir++){
1017 AliAODJet *jC = (AliAODJet*)rConeArrayRan->At(ir);
1018 if(jC&&jC->DeltaR(&vTmpRanR)<fRparam){
1019 jC->SetBgEnergy(jC->ChargedBgEnergy()+vTmpRanR.Pt(),0);
1024 }// loop over recparticles
1026 Float_t jetArea = fRparam*fRparam*TMath::Pi();
1027 for(int ir = 0;ir < fNRandomCones;ir++){
1028 // rescale the momntum vectors for the random cones
1029 if(!rConeArray)continue;
1030 AliAODJet *rC = (AliAODJet*)rConeArray->At(ir);
1032 Double_t etaC = rC->Eta();
1033 Double_t phiC = rC->Phi();
1034 // massless jet, unit vector
1035 pTC = rC->ChargedBgEnergy();
1036 if(pTC<=0)pTC = 0.1; // for almost empty events
1037 Double_t thetaC = 2.*TMath::ATan(TMath::Exp(-etaC));
1038 Double_t pZC = pTC/TMath::Tan(thetaC);
1039 Double_t pXC = pTC * TMath::Cos(phiC);
1040 Double_t pYC = pTC * TMath::Sin(phiC);
1041 Double_t pC = TMath::Sqrt(pTC*pTC+pZC*pZC);
1042 rC->SetPxPyPzE(pXC,pYC,pZC, pC);
1043 rC->SetBgEnergy(0,0);
1044 rC->SetEffArea(jetArea,0);
1046 rC = (AliAODJet*)rConeArrayRan->At(ir);
1049 Double_t etaC = rC->Eta();
1050 Double_t phiC = rC->Phi();
1051 // massless jet, unit vector
1052 pTC = rC->ChargedBgEnergy();
1053 if(pTC<=0)pTC = 0.1;// for almost empty events
1054 Double_t thetaC = 2.*TMath::ATan(TMath::Exp(-etaC));
1055 Double_t pZC = pTC/TMath::Tan(thetaC);
1056 Double_t pXC = pTC * TMath::Cos(phiC);
1057 Double_t pYC = pTC * TMath::Sin(phiC);
1058 Double_t pC = TMath::Sqrt(pTC*pTC+pZC*pZC);
1059 rC->SetPxPyPzE(pXC,pYC,pZC, pC);
1060 rC->SetBgEnergy(0,0);
1061 rC->SetEffArea(jetArea,0);
1064 }// if(fUseBackgroundCalc
1066 for(unsigned int ic = 0; ic < constituents.size();ic++){
1067 AliVParticle *part = (AliVParticle*)recParticles.At(constituents[ic].user_index());
1068 fh1PtJetConstRec->Fill(part->Pt());
1070 aodOutJet->AddTrack(fRef->At(constituents[ic].user_index()));
1072 if(j==0)fh1PtJetConstLeadingRec->Fill(part->Pt());
1076 Float_t tmpPhi = tmpRec.Phi();
1077 Float_t tmpEta = tmpRec.Eta();
1078 if(tmpPhi<0)tmpPhi+=TMath::Pi()*2.;
1080 fh1PtJetsLeadingRecIn->Fill(tmpPt);
1081 fh2LeadingJetPhiEta->Fill(tmpPhi,tmpEta);
1082 fh2LeadingJetEtaPt->Fill(tmpEta,tmpPt);
1083 fh1NConstLeadingRec->Fill(constituents.size());
1084 fh2NConstLeadingPt->Fill(tmpPt,constituents.size());
1087 fh2JetPhiEta->Fill(tmpRec.Phi(),tmpEta);
1088 fh2JetEtaPt->Fill(tmpEta,tmpPt);
1089 Float_t dPhi = phi - tmpPhi;
1090 if(dPhi>TMath::Pi())dPhi = dPhi - 2.*TMath::Pi();
1091 if(dPhi<(-1.*TMath::Pi()))dPhi = dPhi + 2.*TMath::Pi();
1092 Float_t dEta = eta - tmpRec.Eta();
1093 fh2JetsLeadingPhiEta->Fill(dPhi,dEta);
1094 fh2JetsLeadingPhiPt->Fill(dPhi,pt);
1096 fh2JetsLeadingPhiPtC[cenClass]->Fill(dPhi,pt);
1097 fh2JetsLeadingPhiPtWC[cenClass]->Fill(dPhi,pt,tmpPt);
1099 fh2JetsLeadingPhiPtW->Fill(dPhi,pt,tmpPt);
1103 //background estimates:all bckg jets(0) & wo the 2 hardest(1)
1107 vector<fastjet::PseudoJet> jets2=sortedJets;
1108 if(jets2.size()>2) jets2.erase(jets2.begin(),jets2.begin()+2);
1111 Double_t meanarea1=0.;
1114 Double_t meanarea2=0.;
1116 clustSeq.get_median_rho_and_sigma(jets2, range, true, bkg1, sigma1, meanarea1, true);
1117 evBkg->SetBackground(0,bkg1,sigma1,meanarea1);
1119 // fh1BiARandomCones[0]->Fill(omCone-(bkg1*areaRandomCone));
1120 // fh1BiARandomConesRan[0]->Fill(ptRandomConeRan-(bkg1*areaRandomCone));
1122 clustSeq.get_median_rho_and_sigma(jets2, range, false, bkg2, sigma2, meanarea2, true);
1123 evBkg->SetBackground(1,bkg2,sigma2,meanarea2);
1124 // fh1BiARandomCones[1]->Fill(ptRandomCone-(bkg2*areaRandomCone));
1125 // fh1BiARandomConesRan[1]->Fill(ptRandomConeRan-(bkg2*areaRandomCone));
1134 // fill track information
1135 Int_t nTrackOver = recParticles.GetSize();
1136 // do the same for tracks and jets
1139 TIterator *recIter = recParticles.MakeIterator();
1140 AliVParticle *tmpRec = (AliVParticle*)(recIter->Next());
1141 Float_t pt = tmpRec->Pt();
1143 // Printf("Leading track p_t %3.3E",pt);
1144 for(int i = 1;i <= fh2NRecTracksPt->GetNbinsX();i++){
1145 Float_t ptCut = fh2NRecTracksPt->GetXaxis()->GetBinCenter(i);
1146 while(pt<ptCut&&tmpRec){
1148 tmpRec = (AliVParticle*)(recIter->Next());
1153 if(nTrackOver<=0)break;
1154 fh2NRecTracksPt->Fill(ptCut,nTrackOver);
1158 AliVParticle *leading = (AliVParticle*)recParticles.At(0);
1159 Float_t phi = leading->Phi();
1160 if(phi<0)phi+=TMath::Pi()*2.;
1161 Float_t eta = leading->Eta();
1163 while((tmpRec = (AliVParticle*)(recIter->Next()))){
1164 Float_t tmpPt = tmpRec->Pt();
1165 Float_t tmpEta = tmpRec->Eta();
1166 fh1PtTracksRecIn->Fill(tmpPt);
1167 fh2TrackEtaPt->Fill(tmpEta,tmpPt);
1168 if(tmpRec==leading){
1169 fh1PtTracksLeadingRecIn->Fill(tmpPt);
1170 fh2LeadingTrackEtaPt->Fill(tmpEta,tmpPt);
1174 Float_t tmpPhi = tmpRec->Phi();
1176 if(tmpPhi<0)tmpPhi+=TMath::Pi()*2.;
1177 Float_t dPhi = phi - tmpPhi;
1178 if(dPhi>TMath::Pi())dPhi = dPhi - 2.*TMath::Pi();
1179 if(dPhi<(-1.*TMath::Pi()))dPhi = dPhi + 2.*TMath::Pi();
1180 Float_t dEta = eta - tmpRec->Eta();
1181 fh2TracksLeadingPhiEta->Fill(dPhi,dEta);
1182 fh2TracksLeadingPhiPt->Fill(dPhi,pt);
1183 fh2TracksLeadingPhiPtW->Fill(dPhi,pt,tmpPt);
1188 // find the random jets
1189 vector <fastjet::PseudoJet> inclusiveJetsRan, sortedJetsRan;
1190 fastjet::ClusterSequenceArea clustSeqRan(inputParticlesRecRan, jetDef, areaDef);
1192 inclusiveJetsRan = clustSeqRan.inclusive_jets();
1193 sortedJetsRan = sorted_by_pt(inclusiveJetsRan);
1195 // fill the jet information from random track
1197 fh1NJetsRecRan->Fill(sortedJetsRan.size());
1199 // loop over all jets an fill information, first on is the leading jet
1201 Int_t nRecOverRan = inclusiveJetsRan.size();
1202 Int_t nRecRan = inclusiveJetsRan.size();
1204 if(inclusiveJetsRan.size()>0){
1205 AliAODJet leadingJet (sortedJetsRan[0].px(), sortedJetsRan[0].py(), sortedJetsRan[0].pz(), sortedJetsRan[0].E());
1206 Float_t pt = leadingJet.Pt();
1209 TLorentzVector vecarearanb;
1211 for(int i = 1;i <= fh2NRecJetsPtRan->GetNbinsX();i++){
1212 Float_t ptCut = fh2NRecJetsPtRan->GetXaxis()->GetBinCenter(i);
1213 while(pt<ptCut&&iCount<nRecRan){
1217 pt = sortedJetsRan[iCount].perp();
1220 if(nRecOverRan<=0)break;
1221 fh2NRecJetsPtRan->Fill(ptCut,nRecOverRan);
1223 Float_t phi = leadingJet.Phi();
1224 if(phi<0)phi+=TMath::Pi()*2.;
1225 pt = leadingJet.Pt();
1227 // correlation of leading jet with random tracks
1229 for(unsigned int ip = 0; ip < inputParticlesRecRan.size();ip++)
1231 Float_t tmpPt = inputParticlesRecRan[ip].perp();
1233 Float_t tmpPhi = inputParticlesRecRan[ip].phi();
1234 if(tmpPhi<0)tmpPhi+=TMath::Pi()*2.;
1235 Float_t dPhi = phi - tmpPhi;
1236 if(dPhi>TMath::Pi())dPhi = dPhi - 2.*TMath::Pi();
1237 if(dPhi<(-1.*TMath::Pi()))dPhi = dPhi + 2.*TMath::Pi();
1238 fh2TracksLeadingJetPhiPtRan->Fill(dPhi,pt);
1239 fh2TracksLeadingJetPhiPtWRan->Fill(dPhi,pt,tmpPt);
1242 Int_t nAodOutJetsRan = 0;
1243 AliAODJet *aodOutJetRan = 0;
1244 for(int j = 0; j < nRecRan;j++){
1245 AliAODJet tmpRec (sortedJetsRan[j].px(), sortedJetsRan[j].py(), sortedJetsRan[j].pz(), sortedJetsRan[j].E());
1246 Float_t tmpPt = tmpRec.Pt();
1247 fh1PtJetsRecInRan->Fill(tmpPt);
1248 // Fill Spectra with constituents
1249 vector<fastjet::PseudoJet> constituents = clustSeqRan.constituents(sortedJetsRan[j]);
1250 fh1NConstRecRan->Fill(constituents.size());
1251 fh2NConstPtRan->Fill(tmpPt,constituents.size());
1252 fh2PtNchRan->Fill(nCh,tmpPt);
1253 fh2PtNchNRan->Fill(nCh,tmpPt,constituents.size());
1256 if(tmpPt>fJetOutputMinPt&&jarrayran){
1257 aodOutJetRan = new ((*jarrayran)[nAodOutJetsRan++]) AliAODJet(tmpRec);
1258 Double_t arearan=clustSeqRan.area(sortedJetsRan[j]);
1260 aodOutJetRan->SetEffArea(arearan,0);
1261 fastjet::PseudoJet vecarearan=clustSeqRan.area_4vector(sortedJetsRan[j]);
1262 vecarearanb.SetPxPyPzE(vecarearan.px(),vecarearan.py(),vecarearan.pz(),vecarearan.e());
1263 aodOutJetRan->SetVectorAreaCharged(&vecarearanb);
1270 for(unsigned int ic = 0; ic < constituents.size();ic++){
1271 // AliVParticle *part = (AliVParticle*)recParticles.At(constituents[ic].user_index());
1272 // fh1PtJetConstRec->Fill(part->Pt());
1274 aodOutJetRan->AddTrack(fRef->At(constituents[ic].user_index()));
1282 Float_t tmpPhi = tmpRec.Phi();
1283 if(tmpPhi<0)tmpPhi+=TMath::Pi()*2.;
1286 fh1PtJetsLeadingRecInRan->Fill(tmpPt);
1287 fh1NConstLeadingRecRan->Fill(constituents.size());
1288 fh2NConstLeadingPtRan->Fill(tmpPt,constituents.size());
1297 Double_t meanarea3=0.;
1298 clustSeqRan.get_median_rho_and_sigma(sortedJetsRan ,range, false, bkg3, sigma3, meanarea3, true);
1299 evBkg->SetBackground(2,bkg3,sigma3,meanarea3);
1300 // float areaRandomCone = rRandomCone2 *TMath::Pi();
1302 fh1BiARandomCones[2]->Fill(ptRandomCone-(bkg3*areaRandomCone));
1303 fh1BiARandomConesRan[2]->Fill(ptRandomConeRan-(bkg3*areaRandomCone));
1312 // do the event selection if activated
1313 if(fJetTriggerPtCut>0){
1314 bool select = false;
1315 Float_t minPt = fJetTriggerPtCut;
1317 // hard coded for now ...
1318 // 54.50 44.5 29.5 18.5 for anti-kt rejection 1E-3
1319 if(cent<10)minPt = 50;
1320 else if(cent<30)minPt = 42;
1321 else if(cent<50)minPt = 28;
1322 else if(cent<80)minPt = 18;
1325 if(externalBackground)rho = externalBackground->GetBackground(2);
1327 for(int i = 0;i < jarray->GetEntriesFast();i++){
1328 AliAODJet *jet = (AliAODJet*)jarray->At(i);
1329 Float_t ptSub = jet->Pt() - rho *jet->EffectiveAreaCharged();
1338 static AliAODHandler *aodH = dynamic_cast<AliAODHandler*>(AliAnalysisManager::GetAnalysisManager()->GetOutputEventHandler());
1339 fh1CentralitySelect->Fill(cent);
1340 fh1ZSelect->Fill(zVtx);
1341 aodH->SetFillAOD(kTRUE);
1345 if (fDebug > 10)Printf("%s:%d",(char*)__FILE__,__LINE__);
1346 PostData(1, fHistList);
1349 void AliAnalysisTaskJetCluster::Terminate(Option_t */*option*/)
1351 // Terminate analysis
1353 if (fDebug > 1) printf("AnalysisJetCluster: Terminate() \n");
1357 Int_t AliAnalysisTaskJetCluster::GetListOfTracks(TList *list,Int_t type){
1359 if(fDebug>2)Printf("%s:%d Selecting tracks with %d",(char*)__FILE__,__LINE__,type);
1362 if(type==kTrackAOD || type==kTrackAODextra || type==kTrackAODextraonly){
1363 if(type!=kTrackAODextraonly) {
1364 AliAODEvent *aod = 0;
1365 if(fUseAODTrackInput)aod = dynamic_cast<AliAODEvent*>(InputEvent());
1366 else aod = AODEvent();
1370 for(int it = 0;it < aod->GetNumberOfTracks();++it){
1371 AliAODTrack *tr = aod->GetTrack(it);
1372 if((fFilterMask>0)&&!(tr->TestFilterBit(fFilterMask)))continue;
1373 if(TMath::Abs(tr->Eta())>0.9)continue;
1374 if(tr->Pt()<fTrackPtCut)continue;
1379 if(type==kTrackAODextra || type==kTrackAODextraonly) {
1380 AliAODEvent *aod = 0;
1381 if(fUseAODTrackInput)aod = dynamic_cast<AliAODEvent*>(InputEvent());
1382 else aod = AODEvent();
1387 TClonesArray *aodExtraTracks = dynamic_cast<TClonesArray*>(aod->FindListObject("aodExtraTracks"));
1388 for(int it =0; it<aodExtraTracks->GetEntries(); it++) {
1389 AliVParticle *track = dynamic_cast<AliVParticle*> ((*aodExtraTracks)[it]);
1390 if (!track) continue;
1392 AliAODTrack *trackAOD = dynamic_cast<AliAODTrack*> (track);
1393 if(trackAOD->Pt()<fTrackPtCut) continue;
1395 list->Add(trackAOD);
1400 else if (type == kTrackKineAll||type == kTrackKineCharged){
1401 AliMCEvent* mcEvent = MCEvent();
1402 if(!mcEvent)return iCount;
1403 // we want to have alivpartilces so use get track
1404 for(int it = 0;it < mcEvent->GetNumberOfTracks();++it){
1405 if(!mcEvent->IsPhysicalPrimary(it))continue;
1406 AliMCParticle* part = (AliMCParticle*)mcEvent->GetTrack(it);
1407 if(type == kTrackKineAll){
1408 if(part->Pt()<fTrackPtCut)continue;
1412 else if(type == kTrackKineCharged){
1413 if(part->Particle()->GetPDG()->Charge()==0)continue;
1414 if(part->Pt()<fTrackPtCut)continue;
1420 else if (type == kTrackAODMCCharged || type == kTrackAODMCAll || type == kTrackAODMCChargedAcceptance) {
1421 AliAODEvent *aod = 0;
1422 if(fUseAODMCInput)aod = dynamic_cast<AliAODEvent*>(InputEvent());
1423 else aod = AODEvent();
1424 if(!aod)return iCount;
1425 TClonesArray *tca = dynamic_cast<TClonesArray*>(aod->FindListObject(AliAODMCParticle::StdBranchName()));
1426 if(!tca)return iCount;
1427 for(int it = 0;it < tca->GetEntriesFast();++it){
1428 AliAODMCParticle *part = (AliAODMCParticle*)(tca->At(it));
1429 if(!part->IsPhysicalPrimary())continue;
1430 if(type == kTrackAODMCAll){
1431 if(part->Pt()<fTrackPtCut)continue;
1435 else if (type == kTrackAODMCCharged || type == kTrackAODMCChargedAcceptance ){
1436 if(part->Charge()==0)continue;
1437 if(part->Pt()<fTrackPtCut)continue;
1438 if(kTrackAODMCCharged){
1442 if(TMath::Abs(part->Eta())>0.9)continue;
1454 Int_t AliAnalysisTaskJetCluster::AddParticlesFastJet(TList &particles,vector<fastjet::PseudoJet> &inputParticles){
1455 for(int i = 0; i < particles.GetEntries(); i++){
1456 AliVParticle *vp = (AliVParticle*)particles.At(i);
1457 // Carefull energy is not well determined in real data, should not matter for p_T scheme?
1458 fastjet::PseudoJet jInp(vp->Px(),vp->Py(),vp->Pz(),vp->E());
1459 jInp.set_user_index(i);
1460 inputParticles.push_back(jInp);