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"
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(){
74 AliAnalysisTaskJetCluster::AliAnalysisTaskJetCluster(): AliAnalysisTaskSE(),
78 fUseAODTrackInput(kFALSE),
79 fUseAODMCInput(kFALSE),
80 fUseGlobalSelection(kFALSE),
82 fTrackTypeRec(kTrackUndef),
83 fTrackTypeGen(kTrackUndef),
93 fAlgorithm(fastjet::kt_algorithm),
94 fStrategy(fastjet::Best),
95 fRecombScheme(fastjet::BIpt_scheme),
96 fAreaType(fastjet::active_area),
101 fh1PtHardTrials(0x0),
104 fh1NConstLeadingRec(0x0),
106 fh1PtJetsLeadingRecIn(0x0),
107 fh1PtJetConstRec(0x0),
108 fh1PtJetConstLeadingRec(0x0),
109 fh1PtTracksRecIn(0x0),
110 fh1PtTracksLeadingRecIn(0x0),
112 fh1NConstRecRan(0x0),
113 fh1PtJetsLeadingRecInRan(0x0),
114 fh1NConstLeadingRecRan(0x0),
115 fh1PtJetsRecInRan(0x0),
116 fh1PtTracksGenIn(0x0),
119 fh2NRecTracksPt(0x0),
121 fh2NConstLeadingPt(0x0),
123 fh2LeadingJetPhiEta(0x0),
125 fh2LeadingJetEtaPt(0x0),
127 fh2LeadingTrackEtaPt(0x0),
128 fh2JetsLeadingPhiEta(0x0),
129 fh2JetsLeadingPhiPt(0x0),
130 fh2TracksLeadingPhiEta(0x0),
131 fh2TracksLeadingPhiPt(0x0),
132 fh2TracksLeadingJetPhiPt(0x0),
133 fh2JetsLeadingPhiPtW(0x0),
134 fh2TracksLeadingPhiPtW(0x0),
135 fh2TracksLeadingJetPhiPtW(0x0),
136 fh2NRecJetsPtRan(0x0),
138 fh2NConstLeadingPtRan(0x0),
143 fh2TracksLeadingJetPhiPtRan(0x0),
144 fh2TracksLeadingJetPhiPtWRan(0x0),
150 AliAnalysisTaskJetCluster::AliAnalysisTaskJetCluster(const char* name):
151 AliAnalysisTaskSE(name),
155 fUseAODTrackInput(kFALSE),
156 fUseAODMCInput(kFALSE),
157 fUseGlobalSelection(kFALSE),
159 fTrackTypeRec(kTrackUndef),
160 fTrackTypeGen(kTrackUndef),
170 fAlgorithm(fastjet::kt_algorithm),
171 fStrategy(fastjet::Best),
172 fRecombScheme(fastjet::BIpt_scheme),
173 fAreaType(fastjet::active_area),
178 fh1PtHardTrials(0x0),
181 fh1NConstLeadingRec(0x0),
183 fh1PtJetsLeadingRecIn(0x0),
184 fh1PtJetConstRec(0x0),
185 fh1PtJetConstLeadingRec(0x0),
186 fh1PtTracksRecIn(0x0),
187 fh1PtTracksLeadingRecIn(0x0),
189 fh1NConstRecRan(0x0),
190 fh1PtJetsLeadingRecInRan(0x0),
191 fh1NConstLeadingRecRan(0x0),
192 fh1PtJetsRecInRan(0x0),
193 fh1PtTracksGenIn(0x0),
196 fh2NRecTracksPt(0x0),
198 fh2NConstLeadingPt(0x0),
200 fh2LeadingJetPhiEta(0x0),
202 fh2LeadingJetEtaPt(0x0),
204 fh2LeadingTrackEtaPt(0x0),
205 fh2JetsLeadingPhiEta(0x0),
206 fh2JetsLeadingPhiPt(0x0),
207 fh2TracksLeadingPhiEta(0x0),
208 fh2TracksLeadingPhiPt(0x0),
209 fh2TracksLeadingJetPhiPt(0x0),
210 fh2JetsLeadingPhiPtW(0x0),
211 fh2TracksLeadingPhiPtW(0x0),
212 fh2TracksLeadingJetPhiPtW(0x0),
213 fh2NRecJetsPtRan(0x0),
215 fh2NConstLeadingPtRan(0x0),
220 fh2TracksLeadingJetPhiPtRan(0x0),
221 fh2TracksLeadingJetPhiPtWRan(0x0),
224 DefineOutput(1, TList::Class());
229 Bool_t AliAnalysisTaskJetCluster::Notify()
232 // Implemented Notify() to read the cross sections
233 // and number of trials from pyxsec.root
238 void AliAnalysisTaskJetCluster::UserCreateOutputObjects()
242 // Create the output container
251 if (fDebug > 1) printf("AnalysisTaskJetCluster::UserCreateOutputObjects() \n");
255 if(fNonStdBranch.Length()!=0)
257 // only create the output branch if we have a name
258 // Create a new branch for jets...
259 // -> cleared in the UserExec....
260 // here we can also have the case that the brnaches are written to a separate file
262 TClonesArray *tca = new TClonesArray("AliAODJet", 0);
263 tca->SetName(fNonStdBranch.Data());
264 AddAODBranch("TClonesArray",&tca,fNonStdFile.Data());
265 if(fNonStdFile.Length()!=0){
267 // case that we have an AOD extension we need to fetch the jets from the extended output
268 // we identifay the extension aod event by looking for the branchname
269 AliAODHandler *aodH = dynamic_cast<AliAODHandler*>(AliAnalysisManager::GetAnalysisManager()->GetOutputEventHandler());
270 TObjArray* extArray = aodH->GetExtensions();
272 TIter next(extArray);
273 while ((fAODExtension=(AliAODExtension*)next())){
274 TObject *obj = fAODExtension->GetAOD()->FindListObject(fNonStdBranch.Data());
276 Printf("%s:%d Dumping..",(char*)__FILE__,__LINE__);
277 fAODExtension->GetAOD()->Dump();
280 if(fDebug>1)Printf("AODExtension found for %s",fNonStdBranch.Data());
291 if(!fHistList)fHistList = new TList();
293 Bool_t oldStatus = TH1::AddDirectoryStatus();
294 TH1::AddDirectory(kFALSE);
299 const Int_t nBinPt = 200;
300 Double_t binLimitsPt[nBinPt+1];
301 for(Int_t iPt = 0;iPt <= nBinPt;iPt++){
303 binLimitsPt[iPt] = 0.0;
306 binLimitsPt[iPt] = binLimitsPt[iPt-1] + 0.5;
310 const Int_t nBinPhi = 90;
311 Double_t binLimitsPhi[nBinPhi+1];
312 for(Int_t iPhi = 0;iPhi<=nBinPhi;iPhi++){
314 binLimitsPhi[iPhi] = -1.*TMath::Pi();
317 binLimitsPhi[iPhi] = binLimitsPhi[iPhi-1] + 1/(Float_t)nBinPhi * TMath::Pi()*2;
323 const Int_t nBinEta = 40;
324 Double_t binLimitsEta[nBinEta+1];
325 for(Int_t iEta = 0;iEta<=nBinEta;iEta++){
327 binLimitsEta[iEta] = -2.0;
330 binLimitsEta[iEta] = binLimitsEta[iEta-1] + 0.1;
334 const int nChMax = 100;
336 fh1Xsec = new TProfile("fh1Xsec","xsec from pyxsec.root",1,0,1);
337 fh1Xsec->GetXaxis()->SetBinLabel(1,"<#sigma>");
339 fh1Trials = new TH1F("fh1Trials","trials root file",1,0,1);
340 fh1Trials->GetXaxis()->SetBinLabel(1,"#sum{ntrials}");
343 fh1NJetsRec = new TH1F("fh1NJetsRec","N reconstructed jets",120,-0.5,119.5);
344 fh1NJetsRecRan = new TH1F("fh1NJetsRecRan","N reconstructed jets",120,-0.5,119.5);
346 fh1NConstRec = new TH1F("fh1NConstRec","# jet constituents",120,-0.5,119.5);
347 fh1NConstRecRan = new TH1F("fh1NConstRecRan","# jet constituents",120,-0.5,119.5);
348 fh1NConstLeadingRec = new TH1F("fh1NConstLeadingRec","jet constituents",120,-0.5,119.5);
349 fh1NConstLeadingRecRan = new TH1F("fh1NConstLeadingRecRan","jet constituents",120,-0.5,119.5);
352 fh1PtHard = new TH1F("fh1PtHard","PYTHIA Pt hard;p_{T,hard}",nBinPt,binLimitsPt);
353 fh1PtHardNoW = new TH1F("fh1PtHardNoW","PYTHIA Pt hard no weight;p_{T,hard}",nBinPt,binLimitsPt);
354 fh1PtHardTrials = new TH1F("fh1PtHardTrials","PYTHIA Pt hard weight with trials;p_{T,hard}",nBinPt,binLimitsPt);
356 fh1PtJetsRecIn = new TH1F("fh1PtJetsRecIn","Rec jets P_T;p_{T} (GeV/c)",nBinPt,binLimitsPt);
357 fh1PtJetsRecInRan = new TH1F("fh1PtJetsRecInRan","Rec jets P_T;p_{T} (GeV/c)",nBinPt,binLimitsPt);
358 fh1PtJetsLeadingRecIn = new TH1F("fh1PtJetsLeadingRecIn","Rec jets P_T;p_{T} (GeV/c)",nBinPt,binLimitsPt);
359 fh1PtJetsLeadingRecInRan = new TH1F("fh1PtJetsLeadingRecInRan","Rec jets P_T;p_{T} (GeV/c)",nBinPt,binLimitsPt);
360 fh1PtJetConstRec = new TH1F("fh1PtJetsConstRec","Rec jets constituents P_T;p_{T} (GeV/c)",nBinPt,binLimitsPt);
361 fh1PtJetConstLeadingRec = new TH1F("fh1PtJetsConstLeadingRec","Rec jets constituents P_T;p_{T} (GeV/c)",nBinPt,binLimitsPt);
362 fh1PtTracksRecIn = new TH1F("fh1PtTracksRecIn","Rec tracks P_T #eta < 0.9;p_{T} (GeV/c)",nBinPt,binLimitsPt);
363 fh1PtTracksLeadingRecIn = new TH1F("fh1PtTracksLeadingRecIn","Rec tracks P_T #eta < 0.9;p_{T} (GeV/c)",nBinPt,binLimitsPt);
364 fh1PtTracksGenIn = new TH1F("fh1PtTracksGenIn","gen tracks P_T #eta < 0.9;p_{T} (GeV/c)",nBinPt,binLimitsPt);
365 fh1Nch = new TH1F("fh1Nch","charged multiplicity; N_{ch}",nChMax,-0.5,nChMax-0.5);
367 fh2NRecJetsPt = new TH2F("fh2NRecJetsPt","Number of jets above threshhold;p_{T,cut} (GeV/c);N_{jets}",nBinPt,binLimitsPt,50,-0.5,49.5);
368 fh2NRecJetsPtRan = new TH2F("fh2NRecJetsPtRan","Number of jets above threshhold;p_{T,cut} (GeV/c);N_{jets}",nBinPt,binLimitsPt,50,-0.5,49.5);
369 fh2NRecTracksPt = new TH2F("fh2NRecTracksPt","Number of tracks above threshhold;p_{T,cut} (GeV/c);N_{tracks}",nBinPt,binLimitsPt,50,-0.5,49.5);
373 fh2NConstPt = new TH2F("fh2NConstPt","Number of constituents ;p_{T} (GeV/c);N",nBinPt,binLimitsPt,50,-0.5,49.5);
374 fh2NConstLeadingPt = new TH2F("fh2NConstLeadingPt","Number of constituents ;p_{T} (GeV/c);N",nBinPt,binLimitsPt,50,-0.5,49.5);
375 fh2NConstPtRan = new TH2F("fh2NConstPtRan","Number of constituents ;p_{T} (GeV/c);N",nBinPt,binLimitsPt,50,-0.5,49.5);
376 fh2NConstLeadingPtRan = new TH2F("fh2NConstLeadingPtRan","Number of constituents ;p_{T} (GeV/c);N",nBinPt,binLimitsPt,50,-0.5,49.5);
378 fh2PtNch = new TH2F("fh2PtNch","p_T of cluster vs. multiplicity; N_{ch};p_{T} (GeV/c);",nChMax,-0.5,nChMax-0.5,nBinPt,binLimitsPt);
379 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);
380 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);
381 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);
385 fh2JetPhiEta = new TH2F("fh2JetPhiEta","eta vs phi all jets;#phi;#eta",
386 nBinPhi,0.,2.*TMath::Pi(),nBinEta,binLimitsEta);
387 fh2LeadingJetPhiEta = new TH2F("fh2LeadingJetPhiEta","eta vs phi leading jets;#phi;#eta",
388 nBinPhi,0.,2.*TMath::Pi(),nBinEta,binLimitsEta);
390 fh2JetEtaPt = new TH2F("fh2JetEtaPt","pt vs eta all jets;#eta;p_{T}",
391 nBinEta,binLimitsEta,nBinPt,binLimitsPt);
392 fh2LeadingJetEtaPt = new TH2F("fh2LeadingJetEtaPt","pT vs eta leading jets;#eta;p_{T}",
393 nBinEta,binLimitsEta,nBinPt,binLimitsPt);
395 fh2TrackEtaPt = new TH2F("fh2TrackEtaPt","pt vs eta all jets;#eta;p_{T}",
396 nBinEta,binLimitsEta,nBinPt,binLimitsPt);
397 fh2LeadingTrackEtaPt = new TH2F("fh2LeadingTrackEtaPt","pT vs eta leading jets;#eta;p_{T}",
398 nBinEta,binLimitsEta,nBinPt,binLimitsPt);
402 fh2JetsLeadingPhiEta = new TH2F("fh2JetsLeadingPhiEta","delta eta vs delta phi to leading jet;#Delta#phi;#Delta#eta",
403 nBinPhi,binLimitsPhi,nBinEta,binLimitsEta);
404 fh2JetsLeadingPhiPt = new TH2F("fh2JetsLeadingPhiPt","leading p_T vs delta phi to leading jet;#Delta#phi;p_{T} (GeV/c)",
405 nBinPhi,binLimitsPhi,nBinPt,binLimitsPt);
406 fh2TracksLeadingPhiEta = new TH2F("fh2TracksLeadingPhiEta","delta eta vs delta phi to leading track;#Delta#phi;#Delta#eta",
407 nBinPhi,binLimitsPhi,nBinEta,binLimitsEta);
408 fh2TracksLeadingPhiPt = new TH2F("fh2TracksLeadingPhiPt","leading p_T vs delta phi to leading jet;#Delta#phi;p_{T} (GeV/c)",
409 nBinPhi,binLimitsPhi,nBinPt,binLimitsPt);
410 fh2TracksLeadingJetPhiPt = new TH2F("fh2TracksLeadingJetPhiPt","leading p_T vs delta phi to leading jet;#Delta#phi;p_{T} (GeV/c)",
411 nBinPhi,binLimitsPhi,nBinPt,binLimitsPt);
412 fh2TracksLeadingJetPhiPtRan = new TH2F("fh2TracksLeadingJetPhiPtRan","leading p_T vs delta phi to leading jet;#Delta#phi;p_{T} (GeV/c)",
413 nBinPhi,binLimitsPhi,nBinPt,binLimitsPt);
415 fh2JetsLeadingPhiPtW = new TH2F("fh2JetsLeadingPhiPtW","leading p_T vs delta phi p_T weigted to leading jet;#Delta#phi;p_{T} (GeV/c)",
416 nBinPhi,binLimitsPhi,nBinPt,binLimitsPt);
417 fh2TracksLeadingPhiPtW = new TH2F("fh2TracksLeadingPhiPtW","leading p_T vs delta phi to leading jet (p_T weighted);#Delta#phi;p_{T} (GeV/c)",
418 nBinPhi,binLimitsPhi,nBinPt,binLimitsPt);
420 fh2TracksLeadingJetPhiPtW = new TH2F("fh2TracksLeadingJetPhiPtW","leading p_T vs delta phi to leading jet;#Delta#phi;p_{T} (GeV/c)",
421 nBinPhi,binLimitsPhi,nBinPt,binLimitsPt);
422 fh2TracksLeadingJetPhiPtWRan = new TH2F("fh2TracksLeadingJetPhiPtWRan","leading p_T vs delta phi to leading jet;#Delta#phi;p_{T} (GeV/c)",
423 nBinPhi,binLimitsPhi,nBinPt,binLimitsPt);
427 const Int_t saveLevel = 3; // large save level more histos
429 fHistList->Add(fh1Xsec);
430 fHistList->Add(fh1Trials);
432 fHistList->Add(fh1NJetsRec);
433 fHistList->Add(fh1NConstRec);
434 fHistList->Add(fh1NConstLeadingRec);
435 fHistList->Add(fh1PtJetsRecIn);
436 fHistList->Add(fh1PtJetsLeadingRecIn);
437 fHistList->Add(fh1PtTracksRecIn);
438 fHistList->Add(fh1PtTracksLeadingRecIn);
439 fHistList->Add(fh1PtJetConstRec);
440 fHistList->Add(fh1PtJetConstLeadingRec);
441 fHistList->Add(fh1NJetsRecRan);
442 fHistList->Add(fh1NConstRecRan);
443 fHistList->Add(fh1PtJetsLeadingRecInRan);
444 fHistList->Add(fh1NConstLeadingRecRan);
445 fHistList->Add(fh1PtJetsRecInRan);
446 fHistList->Add(fh1Nch);
447 fHistList->Add(fh2NRecJetsPt);
448 fHistList->Add(fh2NRecTracksPt);
449 fHistList->Add(fh2NConstPt);
450 fHistList->Add(fh2NConstLeadingPt);
451 fHistList->Add(fh2PtNch);
452 fHistList->Add(fh2PtNchRan);
453 fHistList->Add(fh2PtNchN);
454 fHistList->Add(fh2PtNchNRan);
455 fHistList->Add(fh2JetPhiEta);
456 fHistList->Add(fh2LeadingJetPhiEta);
457 fHistList->Add(fh2JetEtaPt);
458 fHistList->Add(fh2LeadingJetEtaPt);
459 fHistList->Add(fh2TrackEtaPt);
460 fHistList->Add(fh2LeadingTrackEtaPt);
461 fHistList->Add(fh2JetsLeadingPhiEta );
462 fHistList->Add(fh2JetsLeadingPhiPt);
463 fHistList->Add(fh2TracksLeadingPhiEta);
464 fHistList->Add(fh2TracksLeadingPhiPt);
465 fHistList->Add(fh2TracksLeadingJetPhiPt);
466 fHistList->Add(fh2JetsLeadingPhiPtW);
467 fHistList->Add(fh2TracksLeadingPhiPtW);
468 fHistList->Add(fh2TracksLeadingJetPhiPtW);
469 fHistList->Add(fh2NRecJetsPtRan);
470 fHistList->Add(fh2NConstPtRan);
471 fHistList->Add(fh2NConstLeadingPtRan);
472 fHistList->Add(fh2TracksLeadingJetPhiPtRan);
473 fHistList->Add(fh2TracksLeadingJetPhiPtWRan);
476 // =========== Switch on Sumw2 for all histos ===========
477 for (Int_t i=0; i<fHistList->GetEntries(); ++i) {
478 TH1 *h1 = dynamic_cast<TH1*>(fHistList->At(i));
483 THnSparse *hn = dynamic_cast<THnSparse*>(fHistList->At(i));
486 TH1::AddDirectory(oldStatus);
489 void AliAnalysisTaskJetCluster::Init()
495 if (fDebug > 1) printf("AnalysisTaskJetCluster::Init() \n");
499 void AliAnalysisTaskJetCluster::UserExec(Option_t */*option*/)
502 if(fUseGlobalSelection){
503 // no selection by the service task, we continue
504 if (fDebug > 1)Printf("Not selected %s:%d",(char*)__FILE__,__LINE__);
505 PostData(1, fHistList);
509 // handle and reset the output jet branch
510 // only need this once
511 TClonesArray* jarray = 0;
512 if(fNonStdBranch.Length()!=0) {
513 if(AODEvent())jarray = (TClonesArray*)(AODEvent()->FindListObject(fNonStdBranch.Data()));
514 if(!jarray)jarray = (TClonesArray*)(fAODExtension->GetAOD()->FindListObject(fNonStdBranch.Data()));
515 if(jarray)jarray->Delete(); // this is our responsibility, clear before filling again
519 // Execute analysis for current event
521 AliESDEvent *fESD = 0;
522 if(fUseAODTrackInput){
523 fAOD = dynamic_cast<AliAODEvent*>(InputEvent());
525 Printf("%s:%d AODEvent not found in Input Manager %d",(char*)__FILE__,__LINE__,fUseAODTrackInput);
531 // assume that the AOD is in the general output...
534 Printf("%s:%d AODEvent not found in the Output",(char*)__FILE__,__LINE__);
538 fESD = dynamic_cast<AliESDEvent*> (InputEvent());
542 Bool_t selectEvent = false;
543 Bool_t physicsSelection = true;// handled by the framework(fInputHandler->IsEventSelected()&AliVEvent::kMB)==AliVEvent::kMB;
546 const AliAODVertex *vtxAOD = fAOD->GetPrimaryVertex();
547 TString vtxTitle(vtxAOD->GetTitle());
549 if(vtxAOD->GetNContributors()>2&&!vtxTitle.Contains("TPCVertex")){
550 Float_t zvtx = vtxAOD->GetZ();
551 Float_t yvtx = vtxAOD->GetY();
552 Float_t xvtx = vtxAOD->GetX();
553 Float_t r2 = yvtx*yvtx+xvtx*xvtx;
554 if(TMath::Abs(zvtx)<8.&&r2<1.){
555 if(physicsSelection)selectEvent = true;
560 PostData(1, fHistList);
564 fh1Trials->Fill("#sum{ntrials}",1);
567 if (fDebug > 10)Printf("%s:%d",(char*)__FILE__,__LINE__);
569 // ==== General variables needed
573 // we simply fetch the tracks/mc particles as a list of AliVParticles
578 Int_t nT = GetListOfTracks(&recParticles,fTrackTypeRec);
579 Float_t nCh = recParticles.GetEntries();
581 if(fDebug>2)Printf("%s:%d Selected Rec tracks: %d %d",(char*)__FILE__,__LINE__,nT,recParticles.GetEntries());
582 nT = GetListOfTracks(&genParticles,fTrackTypeGen);
583 if(fDebug>2)Printf("%s:%d Selected Gen tracks: %d %d",(char*)__FILE__,__LINE__,nT,genParticles.GetEntries());
587 vector<fastjet::PseudoJet> inputParticlesRec;
588 vector<fastjet::PseudoJet> inputParticlesRecRan;
589 for(int i = 0; i < recParticles.GetEntries(); i++){
590 AliVParticle *vp = (AliVParticle*)recParticles.At(i);
591 // Carefull energy is not well determined in real data, should not matter for p_T scheme?
592 // we talk total momentum here
593 fastjet::PseudoJet jInp(vp->Px(),vp->Py(),vp->Pz(),vp->P());
594 jInp.set_user_index(i);
595 inputParticlesRec.push_back(jInp);
597 // the randomized input changes eta and phi, but keeps the p_T
598 if(i>=fNSkipLeadingRan){// eventually skip the leading particles
599 Double_t pT = vp->Pt();
600 Double_t eta = 1.8 * gRandom->Rndm() - 0.9;
601 Double_t phi = 2.* TMath::Pi() * gRandom->Rndm();
603 Double_t theta = 2.*TMath::ATan(TMath::Exp(-2.*eta));
604 Double_t pZ = pT/TMath::Tan(theta);
606 Double_t pX = pT * TMath::Cos(phi);
607 Double_t pY = pT * TMath::Sin(phi);
608 Double_t p = TMath::Sqrt(pT*pT+pZ*pZ);
609 fastjet::PseudoJet jInpRan(pX,pY,pZ,p);
610 jInpRan.set_user_index(i);
611 inputParticlesRecRan.push_back(jInpRan);
614 // fill the tref array, only needed when we write out jets
617 fRef->Delete(); // make sure to delete before placement new...
618 new(fRef) TRefArray(TProcessID::GetProcessWithUID(vp));
624 if(inputParticlesRec.size()==0){
625 if(fDebug)Printf("%s:%d No input particles found, skipping event",(char*)__FILE__,__LINE__);
626 PostData(1, fHistList);
631 fastjet::JetDefinition jetDef(fAlgorithm, fRparam, fRecombScheme, fStrategy);
632 vector <fastjet::PseudoJet> inclusiveJets, sortedJets;
633 fastjet::ClusterSequence clustSeq(inputParticlesRec, jetDef);
635 inclusiveJets = clustSeq.inclusive_jets();
636 sortedJets = sorted_by_pt(inclusiveJets);
638 fh1NJetsRec->Fill(sortedJets.size());
640 // loop over all jets an fill information, first on is the leading jet
642 Int_t nRecOver = inclusiveJets.size();
643 Int_t nRec = inclusiveJets.size();
644 if(inclusiveJets.size()>0){
645 AliAODJet leadingJet (sortedJets[0].px(), sortedJets[0].py(), sortedJets[0].pz(), sortedJets[0].E());
646 Float_t pt = leadingJet.Pt();
647 Int_t nAodOutJets = 0;
648 Int_t nAodOutTracks = 0;
649 AliAODJet *aodOutJet = 0;
652 for(int i = 1;i <= fh2NRecJetsPt->GetNbinsX();i++){
653 Float_t ptCut = fh2NRecJetsPt->GetXaxis()->GetBinCenter(i);
654 while(pt<ptCut&&iCount<nRec){
658 pt = sortedJets[iCount].perp();
661 if(nRecOver<=0)break;
662 fh2NRecJetsPt->Fill(ptCut,nRecOver);
664 Float_t phi = leadingJet.Phi();
665 if(phi<0)phi+=TMath::Pi()*2.;
666 Float_t eta = leadingJet.Eta();
667 pt = leadingJet.Pt();
669 // correlation of leading jet with tracks
670 TIterator *recIter = recParticles.MakeIterator();
672 AliVParticle *tmpRecTrack = 0;
673 while((tmpRecTrack = (AliVParticle*)(recIter->Next()))){
674 Float_t tmpPt = tmpRecTrack->Pt();
676 Float_t tmpPhi = tmpRecTrack->Phi();
677 if(tmpPhi<0)tmpPhi+=TMath::Pi()*2.;
678 Float_t dPhi = phi - tmpPhi;
679 if(dPhi>TMath::Pi())dPhi = dPhi - 2.*TMath::Pi();
680 if(dPhi<(-1.*TMath::Pi()))dPhi = dPhi + 2.*TMath::Pi();
681 fh2TracksLeadingJetPhiPt->Fill(dPhi,pt);
682 fh2TracksLeadingJetPhiPtW->Fill(dPhi,pt,tmpPt);
687 for(int j = 0; j < nRec;j++){
688 AliAODJet tmpRec (sortedJets[j].px(), sortedJets[j].py(), sortedJets[j].pz(), sortedJets[j].E());
691 Float_t tmpPt = tmpRec.Pt();
692 fh1PtJetsRecIn->Fill(tmpPt);
693 // Fill Spectra with constituents
694 vector<fastjet::PseudoJet> constituents = clustSeq.constituents(sortedJets[j]);
695 fh1NConstRec->Fill(constituents.size());
696 fh2PtNch->Fill(nCh,tmpPt);
697 fh2PtNchN->Fill(nCh,tmpPt,constituents.size());
698 fh2NConstPt->Fill(tmpPt,constituents.size());
699 // loop over constiutents and fill spectrum
701 // Add the jet information and the track references to the output AOD
703 if(tmpPt>fJetOutputMinPt&&jarray){
704 aodOutJet = new ((*jarray)[nAodOutJets++]) AliAODJet(tmpRec);
708 for(unsigned int ic = 0; ic < constituents.size();ic++){
709 AliVParticle *part = (AliVParticle*)recParticles.At(constituents[ic].user_index());
710 fh1PtJetConstRec->Fill(part->Pt());
712 aodOutJet->AddTrack(fRef->At(constituents[ic].user_index()));
714 if(j==0)fh1PtJetConstLeadingRec->Fill(part->Pt());
725 Float_t tmpPhi = tmpRec.Phi();
726 Float_t tmpEta = tmpRec.Eta();
727 if(tmpPhi<0)tmpPhi+=TMath::Pi()*2.;
730 fh1PtJetsLeadingRecIn->Fill(tmpPt);
731 fh2LeadingJetPhiEta->Fill(tmpPhi,tmpEta);
732 fh2LeadingJetEtaPt->Fill(tmpEta,tmpPt);
733 fh1NConstLeadingRec->Fill(constituents.size());
734 fh2NConstLeadingPt->Fill(tmpPt,constituents.size());
737 fh2JetPhiEta->Fill(tmpRec.Phi(),tmpEta);
738 fh2JetEtaPt->Fill(tmpEta,tmpPt);
739 Float_t dPhi = phi - tmpPhi;
740 if(dPhi>TMath::Pi())dPhi = dPhi - 2.*TMath::Pi();
741 if(dPhi<(-1.*TMath::Pi()))dPhi = dPhi + 2.*TMath::Pi();
742 Float_t dEta = eta - tmpRec.Eta();
743 fh2JetsLeadingPhiEta->Fill(dPhi,dEta);
744 fh2JetsLeadingPhiPt->Fill(dPhi,pt);
745 fh2JetsLeadingPhiPtW->Fill(dPhi,pt,tmpPt);
750 // fill track information
751 Int_t nTrackOver = recParticles.GetSize();
752 // do the same for tracks and jets
754 TIterator *recIter = recParticles.MakeIterator();
755 AliVParticle *tmpRec = (AliVParticle*)(recIter->Next());
756 Float_t pt = tmpRec->Pt();
757 // Printf("Leading track p_t %3.3E",pt);
758 for(int i = 1;i <= fh2NRecTracksPt->GetNbinsX();i++){
759 Float_t ptCut = fh2NRecTracksPt->GetXaxis()->GetBinCenter(i);
760 while(pt<ptCut&&tmpRec){
762 tmpRec = (AliVParticle*)(recIter->Next());
767 if(nTrackOver<=0)break;
768 fh2NRecTracksPt->Fill(ptCut,nTrackOver);
772 AliVParticle *leading = (AliVParticle*)recParticles.At(0);
773 Float_t phi = leading->Phi();
774 if(phi<0)phi+=TMath::Pi()*2.;
775 Float_t eta = leading->Eta();
777 while((tmpRec = (AliVParticle*)(recIter->Next()))){
778 Float_t tmpPt = tmpRec->Pt();
779 Float_t tmpEta = tmpRec->Eta();
780 fh1PtTracksRecIn->Fill(tmpPt);
781 fh2TrackEtaPt->Fill(tmpEta,tmpPt);
783 fh1PtTracksLeadingRecIn->Fill(tmpPt);
784 fh2LeadingTrackEtaPt->Fill(tmpEta,tmpPt);
788 Float_t tmpPhi = tmpRec->Phi();
790 if(tmpPhi<0)tmpPhi+=TMath::Pi()*2.;
791 Float_t dPhi = phi - tmpPhi;
792 if(dPhi>TMath::Pi())dPhi = dPhi - 2.*TMath::Pi();
793 if(dPhi<(-1.*TMath::Pi()))dPhi = dPhi + 2.*TMath::Pi();
794 Float_t dEta = eta - tmpRec->Eta();
795 fh2TracksLeadingPhiEta->Fill(dPhi,dEta);
796 fh2TracksLeadingPhiPt->Fill(dPhi,pt);
797 fh2TracksLeadingPhiPtW->Fill(dPhi,pt,tmpPt);
802 // find the random jets
803 vector <fastjet::PseudoJet> inclusiveJetsRan, sortedJetsRan;
804 fastjet::ClusterSequence clustSeqRan(inputParticlesRecRan, jetDef);
806 inclusiveJetsRan = clustSeqRan.inclusive_jets();
807 sortedJetsRan = sorted_by_pt(inclusiveJetsRan);
809 // fill the jet information from random track
811 fh1NJetsRecRan->Fill(sortedJetsRan.size());
813 // loop over all jets an fill information, first on is the leading jet
815 Int_t nRecOverRan = inclusiveJetsRan.size();
816 Int_t nRecRan = inclusiveJetsRan.size();
817 if(inclusiveJetsRan.size()>0){
818 AliAODJet leadingJet (sortedJetsRan[0].px(), sortedJetsRan[0].py(), sortedJetsRan[0].pz(), sortedJetsRan[0].E());
819 Float_t pt = leadingJet.Pt();
822 for(int i = 1;i <= fh2NRecJetsPtRan->GetNbinsX();i++){
823 Float_t ptCut = fh2NRecJetsPtRan->GetXaxis()->GetBinCenter(i);
824 while(pt<ptCut&&iCount<nRecRan){
828 pt = sortedJetsRan[iCount].perp();
831 if(nRecOverRan<=0)break;
832 fh2NRecJetsPtRan->Fill(ptCut,nRecOverRan);
834 Float_t phi = leadingJet.Phi();
835 if(phi<0)phi+=TMath::Pi()*2.;
836 pt = leadingJet.Pt();
838 // correlation of leading jet with random tracks
840 for(unsigned int ip = 0; ip < inputParticlesRecRan.size();ip++)
842 Float_t tmpPt = inputParticlesRecRan[ip].perp();
844 Float_t tmpPhi = inputParticlesRecRan[ip].phi();
845 if(tmpPhi<0)tmpPhi+=TMath::Pi()*2.;
846 Float_t dPhi = phi - tmpPhi;
847 if(dPhi>TMath::Pi())dPhi = dPhi - 2.*TMath::Pi();
848 if(dPhi<(-1.*TMath::Pi()))dPhi = dPhi + 2.*TMath::Pi();
849 fh2TracksLeadingJetPhiPtRan->Fill(dPhi,pt);
850 fh2TracksLeadingJetPhiPtWRan->Fill(dPhi,pt,tmpPt);
855 for(int j = 0; j < nRecRan;j++){
856 AliAODJet tmpRec (sortedJetsRan[j].px(), sortedJetsRan[j].py(), sortedJetsRan[j].pz(), sortedJetsRan[j].E());
857 Float_t tmpPt = tmpRec.Pt();
858 fh1PtJetsRecInRan->Fill(tmpPt);
859 // Fill Spectra with constituents
860 vector<fastjet::PseudoJet> constituents = clustSeqRan.constituents(sortedJetsRan[j]);
861 fh1NConstRecRan->Fill(constituents.size());
862 fh2NConstPtRan->Fill(tmpPt,constituents.size());
863 fh2PtNchRan->Fill(nCh,tmpPt);
864 fh2PtNchNRan->Fill(nCh,tmpPt,constituents.size());
866 Float_t tmpPhi = tmpRec.Phi();
867 if(tmpPhi<0)tmpPhi+=TMath::Pi()*2.;
870 fh1PtJetsLeadingRecInRan->Fill(tmpPt);
871 fh1NConstLeadingRecRan->Fill(constituents.size());
872 fh2NConstLeadingPtRan->Fill(tmpPt,constituents.size());
879 if (fDebug > 10)Printf("%s:%d",(char*)__FILE__,__LINE__);
880 PostData(1, fHistList);
883 void AliAnalysisTaskJetCluster::Terminate(Option_t */*option*/)
885 // Terminate analysis
887 if (fDebug > 1) printf("AnalysisJetCluster: Terminate() \n");
891 Int_t AliAnalysisTaskJetCluster::GetListOfTracks(TList *list,Int_t type){
893 if(fDebug>2)Printf("%s:%d Selecting tracks with %d",(char*)__FILE__,__LINE__,type);
897 AliAODEvent *aod = 0;
898 if(fUseAODTrackInput)aod = dynamic_cast<AliAODEvent*>(InputEvent());
899 else aod = AODEvent();
903 for(int it = 0;it < aod->GetNumberOfTracks();++it){
904 AliAODTrack *tr = aod->GetTrack(it);
905 if((fFilterMask>0)&&!(tr->TestFilterBit(fFilterMask)))continue;
906 if(TMath::Abs(tr->Eta())>0.9)continue;
907 // if(tr->Pt()<0.3)continue;
912 else if (type == kTrackKineAll||type == kTrackKineCharged){
913 AliMCEvent* mcEvent = MCEvent();
914 if(!mcEvent)return iCount;
915 // we want to have alivpartilces so use get track
916 for(int it = 0;it < mcEvent->GetNumberOfTracks();++it){
917 if(!mcEvent->IsPhysicalPrimary(it))continue;
918 AliMCParticle* part = (AliMCParticle*)mcEvent->GetTrack(it);
919 if(type == kTrackKineAll){
923 else if(type == kTrackKineCharged){
924 if(part->Particle()->GetPDG()->Charge()==0)continue;
930 else if (type == kTrackAODMCCharged || type == kTrackAODMCAll || type == kTrackAODMCChargedAcceptance) {
931 AliAODEvent *aod = 0;
932 if(fUseAODMCInput)aod = dynamic_cast<AliAODEvent*>(InputEvent());
933 else aod = AODEvent();
934 if(!aod)return iCount;
935 TClonesArray *tca = dynamic_cast<TClonesArray*>(aod->FindListObject(AliAODMCParticle::StdBranchName()));
936 if(!tca)return iCount;
937 for(int it = 0;it < tca->GetEntriesFast();++it){
938 AliAODMCParticle *part = (AliAODMCParticle*)(tca->At(it));
939 if(!part->IsPhysicalPrimary())continue;
940 if(type == kTrackAODMCAll){
944 else if (type == kTrackAODMCCharged || type == kTrackAODMCChargedAcceptance ){
945 if(part->Charge()==0)continue;
946 if(kTrackAODMCCharged){
950 if(TMath::Abs(part->Eta())>0.9)continue;
963 Int_t AliAnalysisTaskJetCluster::AddParticlesFastJet(TList &particles,vector<fastjet::PseudoJet> &inputParticles){
964 for(int i = 0; i < particles.GetEntries(); i++){
965 AliVParticle *vp = (AliVParticle*)particles.At(i);
966 // Carefull energy is not well determined in real data, should not matter for p_T scheme?
967 fastjet::PseudoJet jInp(vp->Px(),vp->Py(),vp->Pz(),vp->E());
968 jInp.set_user_index(i);
969 inputParticles.push_back(jInp);