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adding task for subtracting background after jet finding, used for all clustering...
[u/mrichter/AliRoot.git] / JETAN / AliAnalysisTaskJetCluster.cxx
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dbf053f0 1// **************************************
2// Task used for the correction of determiantion of reconstructed jet spectra
3// Compares input (gen) and output (rec) jets
4// *******************************************
5
6
7/**************************************************************************
8 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
9 * *
10 * Author: The ALICE Off-line Project. *
11 * Contributors are mentioned in the code where appropriate. *
12 * *
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 **************************************************************************/
21
22
23#include <TROOT.h>
d7ca0e14 24#include <TRandom3.h>
dbf053f0 25#include <TSystem.h>
26#include <TInterpreter.h>
27#include <TChain.h>
54424110 28#include <TRefArray.h>
dbf053f0 29#include <TFile.h>
30#include <TKey.h>
31#include <TH1F.h>
32#include <TH2F.h>
33#include <TH3F.h>
34#include <TProfile.h>
35#include <TList.h>
36#include <TLorentzVector.h>
37#include <TClonesArray.h>
38#include "TDatabasePDG.h"
39
40#include "AliAnalysisTaskJetCluster.h"
41#include "AliAnalysisManager.h"
42#include "AliJetFinder.h"
43#include "AliJetHeader.h"
44#include "AliJetReader.h"
dbf053f0 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"
53#include "AliStack.h"
54#include "AliGenPythiaEventHeader.h"
55#include "AliJetKineReaderHeader.h"
56#include "AliGenCocktailEventHeader.h"
57#include "AliInputEventHandler.h"
d6e66a82 58#include "AliAODJetEventBackground.h"
dbf053f0 59
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"
66
67
68ClassImp(AliAnalysisTaskJetCluster)
69
54424110 70AliAnalysisTaskJetCluster::~AliAnalysisTaskJetCluster(){
71 delete fRef;
d7ca0e14 72 delete fRandom;
54424110 73}
74
dbf053f0 75AliAnalysisTaskJetCluster::AliAnalysisTaskJetCluster(): AliAnalysisTaskSE(),
76 fAOD(0x0),
54424110 77 fAODExtension(0x0),
78 fRef(new TRefArray),
dbf053f0 79 fUseAODTrackInput(kFALSE),
80 fUseAODMCInput(kFALSE),
81 fUseGlobalSelection(kFALSE),
9fd9f55b 82 fUseBackgroundCalc(kFALSE),
dbf053f0 83 fFilterMask(0),
84 fTrackTypeRec(kTrackUndef),
bd80a748 85 fTrackTypeGen(kTrackUndef),
86 fNSkipLeadingRan(0),
4096256e 87 fNRandomCones(10),
bd80a748 88 fAvgTrials(1),
dbf053f0 89 fExternalWeight(1),
90 fRecEtaWindow(0.5),
54424110 91 fTrackPtCut(0.),
92 fJetOutputMinPt(1),
0341d0d8 93 fJetTriggerPtCut(0),
aae7993b 94 fCentCutUp(0),
95 fCentCutLo(0),
54424110 96 fNonStdBranch(""),
0341d0d8 97 fBackgroundBranch(""),
54424110 98 fNonStdFile(""),
dbf053f0 99 fRparam(1.0),
100 fAlgorithm(fastjet::kt_algorithm),
101 fStrategy(fastjet::Best),
102 fRecombScheme(fastjet::BIpt_scheme),
103 fAreaType(fastjet::active_area),
d6e66a82 104 fGhostArea(0.01),
105 fActiveAreaRepeats(1),
106 fGhostEtamax(1.5),
d7ca0e14 107 fRandom(0),
dbf053f0 108 fh1Xsec(0x0),
109 fh1Trials(0x0),
110 fh1PtHard(0x0),
111 fh1PtHardNoW(0x0),
112 fh1PtHardTrials(0x0),
113 fh1NJetsRec(0x0),
114 fh1NConstRec(0x0),
115 fh1NConstLeadingRec(0x0),
116 fh1PtJetsRecIn(0x0),
117 fh1PtJetsLeadingRecIn(0x0),
118 fh1PtJetConstRec(0x0),
119 fh1PtJetConstLeadingRec(0x0),
120 fh1PtTracksRecIn(0x0),
121 fh1PtTracksLeadingRecIn(0x0),
122 fh1NJetsRecRan(0x0),
123 fh1NConstRecRan(0x0),
124 fh1PtJetsLeadingRecInRan(0x0),
125 fh1NConstLeadingRecRan(0x0),
126 fh1PtJetsRecInRan(0x0),
127 fh1PtTracksGenIn(0x0),
a0d08b6d 128 fh1Nch(0x0),
aae7993b 129 fh1CentralityPhySel(0x0),
0341d0d8 130 fh1Centrality(0x0),
131 fh1CentralitySelect(0x0),
e2ca7519 132 fh1ZPhySel(0x0),
133 fh1Z(0x0),
134 fh1ZSelect(0x0),
dbf053f0 135 fh2NRecJetsPt(0x0),
136 fh2NRecTracksPt(0x0),
137 fh2NConstPt(0x0),
138 fh2NConstLeadingPt(0x0),
139 fh2JetPhiEta(0x0),
140 fh2LeadingJetPhiEta(0x0),
141 fh2JetEtaPt(0x0),
142 fh2LeadingJetEtaPt(0x0),
143 fh2TrackEtaPt(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),
154 fh2NConstPtRan(0x0),
155 fh2NConstLeadingPtRan(0x0),
a0d08b6d 156 fh2PtNch(0x0),
157 fh2PtNchRan(0x0),
158 fh2PtNchN(0x0),
159 fh2PtNchNRan(0x0),
dbf053f0 160 fh2TracksLeadingJetPhiPtRan(0x0),
161 fh2TracksLeadingJetPhiPtWRan(0x0),
162 fHistList(0x0)
163{
82a35b1a 164 for(int i = 0;i<3;i++){
165 fh1BiARandomCones[i] = 0;
166 fh1BiARandomConesRan[i] = 0;
167 }
aae7993b 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;
173 }
dbf053f0 174}
175
176AliAnalysisTaskJetCluster::AliAnalysisTaskJetCluster(const char* name):
177 AliAnalysisTaskSE(name),
178 fAOD(0x0),
54424110 179 fAODExtension(0x0),
180 fRef(new TRefArray),
dbf053f0 181 fUseAODTrackInput(kFALSE),
182 fUseAODMCInput(kFALSE),
183 fUseGlobalSelection(kFALSE),
9fd9f55b 184 fUseBackgroundCalc(kFALSE),
dbf053f0 185 fFilterMask(0),
186 fTrackTypeRec(kTrackUndef),
187 fTrackTypeGen(kTrackUndef),
bd80a748 188 fNSkipLeadingRan(0),
d7ca0e14 189 fNRandomCones(5),
dbf053f0 190 fAvgTrials(1),
191 fExternalWeight(1),
192 fRecEtaWindow(0.5),
54424110 193 fTrackPtCut(0.),
194 fJetOutputMinPt(1),
0341d0d8 195 fJetTriggerPtCut(0),
aae7993b 196 fCentCutUp(0),
197 fCentCutLo(0),
54424110 198 fNonStdBranch(""),
0341d0d8 199 fBackgroundBranch(""),
54424110 200 fNonStdFile(""),
dbf053f0 201 fRparam(1.0),
202 fAlgorithm(fastjet::kt_algorithm),
203 fStrategy(fastjet::Best),
204 fRecombScheme(fastjet::BIpt_scheme),
205 fAreaType(fastjet::active_area),
d6e66a82 206 fGhostArea(0.01),
207 fActiveAreaRepeats(1),
208 fGhostEtamax(1.5),
d7ca0e14 209 fRandom(0),
dbf053f0 210 fh1Xsec(0x0),
211 fh1Trials(0x0),
212 fh1PtHard(0x0),
213 fh1PtHardNoW(0x0),
214 fh1PtHardTrials(0x0),
215 fh1NJetsRec(0x0),
216 fh1NConstRec(0x0),
217 fh1NConstLeadingRec(0x0),
218 fh1PtJetsRecIn(0x0),
219 fh1PtJetsLeadingRecIn(0x0),
220 fh1PtJetConstRec(0x0),
221 fh1PtJetConstLeadingRec(0x0),
222 fh1PtTracksRecIn(0x0),
223 fh1PtTracksLeadingRecIn(0x0),
224 fh1NJetsRecRan(0x0),
225 fh1NConstRecRan(0x0),
226 fh1PtJetsLeadingRecInRan(0x0),
227 fh1NConstLeadingRecRan(0x0),
228 fh1PtJetsRecInRan(0x0),
229 fh1PtTracksGenIn(0x0),
a0d08b6d 230 fh1Nch(0x0),
aae7993b 231 fh1CentralityPhySel(0x0),
0341d0d8 232 fh1Centrality(0x0),
233 fh1CentralitySelect(0x0),
e2ca7519 234 fh1ZPhySel(0x0),
235 fh1Z(0x0),
236 fh1ZSelect(0x0),
dbf053f0 237 fh2NRecJetsPt(0x0),
238 fh2NRecTracksPt(0x0),
239 fh2NConstPt(0x0),
240 fh2NConstLeadingPt(0x0),
241 fh2JetPhiEta(0x0),
242 fh2LeadingJetPhiEta(0x0),
243 fh2JetEtaPt(0x0),
244 fh2LeadingJetEtaPt(0x0),
245 fh2TrackEtaPt(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),
256 fh2NConstPtRan(0x0),
257 fh2NConstLeadingPtRan(0x0),
a0d08b6d 258 fh2PtNch(0x0),
259 fh2PtNchRan(0x0),
260 fh2PtNchN(0x0),
261 fh2PtNchNRan(0x0),
dbf053f0 262 fh2TracksLeadingJetPhiPtRan(0x0),
263 fh2TracksLeadingJetPhiPtWRan(0x0),
264 fHistList(0x0)
265{
82a35b1a 266 for(int i = 0;i<3;i++){
267 fh1BiARandomCones[i] = 0;
268 fh1BiARandomConesRan[i] = 0;
269 }
aae7993b 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;
275 }
82a35b1a 276 DefineOutput(1, TList::Class());
dbf053f0 277}
278
279
280
281Bool_t AliAnalysisTaskJetCluster::Notify()
282{
283 //
284 // Implemented Notify() to read the cross sections
285 // and number of trials from pyxsec.root
286 //
287 return kTRUE;
288}
289
290void AliAnalysisTaskJetCluster::UserCreateOutputObjects()
291{
292
293 //
294 // Create the output container
295 //
296
d7ca0e14 297 fRandom = new TRandom3(0);
54424110 298
299
dbf053f0 300 // Connect the AOD
301
302
303 if (fDebug > 1) printf("AnalysisTaskJetCluster::UserCreateOutputObjects() \n");
304
d6e66a82 305
54424110 306
307 if(fNonStdBranch.Length()!=0)
308 {
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
313
314 TClonesArray *tca = new TClonesArray("AliAODJet", 0);
315 tca->SetName(fNonStdBranch.Data());
316 AddAODBranch("TClonesArray",&tca,fNonStdFile.Data());
d6e66a82 317
318
319 TClonesArray *tcaran = new TClonesArray("AliAODJet", 0);
320 tcaran->SetName(Form("%s_%s",fNonStdBranch.Data(),"random"));
321 AddAODBranch("TClonesArray",&tcaran,fNonStdFile.Data());
322
323
9fd9f55b 324 if(fUseBackgroundCalc){
325 if(!AODEvent()->FindListObject(Form("%s_%s",AliAODJetEventBackground::StdBranchName(),fNonStdBranch.Data()))){
326 AliAODJetEventBackground* evBkg = new AliAODJetEventBackground();
327 evBkg->SetName(Form("%s_%s",AliAODJetEventBackground::StdBranchName(),fNonStdBranch.Data()));
328 AddAODBranch("AliAODJetEventBackground",&evBkg,fNonStdFile.Data());
329 }
d7ca0e14 330 // create the branch for the random cones with the same R
331 TString cName = Form("%sRandomCone",fNonStdBranch.Data());
332 if(!AODEvent()->FindListObject(cName.Data())){
333 TClonesArray *tcaC = new TClonesArray("AliAODJet", 0);
334 tcaC->SetName(cName.Data());
335 AddAODBranch("TClonesArray",&tcaC,fNonStdFile.Data());
336 }
337
338 // create the branch with the random for the random cones on the random event
339 cName = Form("%sRandomCone_random",fNonStdBranch.Data());
340 if(!AODEvent()->FindListObject(cName.Data())){
341 TClonesArray *tcaCran = new TClonesArray("AliAODJet", 0);
342 tcaCran->SetName(cName.Data());
343 AddAODBranch("TClonesArray",&tcaCran,fNonStdFile.Data());
344 }
9fd9f55b 345 }
d6e66a82 346
54424110 347 if(fNonStdFile.Length()!=0){
348 //
349 // case that we have an AOD extension we need to fetch the jets from the extended output
350 // we identifay the extension aod event by looking for the branchname
351 AliAODHandler *aodH = dynamic_cast<AliAODHandler*>(AliAnalysisManager::GetAnalysisManager()->GetOutputEventHandler());
352 TObjArray* extArray = aodH->GetExtensions();
353 if (extArray) {
354 TIter next(extArray);
355 while ((fAODExtension=(AliAODExtension*)next())){
356 TObject *obj = fAODExtension->GetAOD()->FindListObject(fNonStdBranch.Data());
357 if(fDebug>10){
358 Printf("%s:%d Dumping..",(char*)__FILE__,__LINE__);
359 fAODExtension->GetAOD()->Dump();
360 }
361 if(obj){
362 if(fDebug>1)Printf("AODExtension found for %s",fNonStdBranch.Data());
363 break;
364 }
365 fAODExtension = 0;
366 }
367 }
368 }
369 }
370
371
dbf053f0 372 if(!fHistList)fHistList = new TList();
9c6bd749 373 fHistList->SetOwner();
dbf053f0 374
375 Bool_t oldStatus = TH1::AddDirectoryStatus();
376 TH1::AddDirectory(kFALSE);
377
378 //
379 // Histogram
380
381 const Int_t nBinPt = 200;
382 Double_t binLimitsPt[nBinPt+1];
383 for(Int_t iPt = 0;iPt <= nBinPt;iPt++){
384 if(iPt == 0){
385 binLimitsPt[iPt] = 0.0;
386 }
387 else {// 1.0
d7ca0e14 388 binLimitsPt[iPt] = binLimitsPt[iPt-1] + 1.0;
dbf053f0 389 }
390 }
391
392 const Int_t nBinPhi = 90;
393 Double_t binLimitsPhi[nBinPhi+1];
394 for(Int_t iPhi = 0;iPhi<=nBinPhi;iPhi++){
395 if(iPhi==0){
396 binLimitsPhi[iPhi] = -1.*TMath::Pi();
397 }
398 else{
399 binLimitsPhi[iPhi] = binLimitsPhi[iPhi-1] + 1/(Float_t)nBinPhi * TMath::Pi()*2;
400 }
401 }
402
403
404
405 const Int_t nBinEta = 40;
406 Double_t binLimitsEta[nBinEta+1];
407 for(Int_t iEta = 0;iEta<=nBinEta;iEta++){
408 if(iEta==0){
409 binLimitsEta[iEta] = -2.0;
410 }
411 else{
412 binLimitsEta[iEta] = binLimitsEta[iEta-1] + 0.1;
413 }
414 }
415
d7ca0e14 416 const int nChMax = 4000;
dbf053f0 417
418 fh1Xsec = new TProfile("fh1Xsec","xsec from pyxsec.root",1,0,1);
419 fh1Xsec->GetXaxis()->SetBinLabel(1,"<#sigma>");
420
421 fh1Trials = new TH1F("fh1Trials","trials root file",1,0,1);
422 fh1Trials->GetXaxis()->SetBinLabel(1,"#sum{ntrials}");
423
424
425 fh1NJetsRec = new TH1F("fh1NJetsRec","N reconstructed jets",120,-0.5,119.5);
426 fh1NJetsRecRan = new TH1F("fh1NJetsRecRan","N reconstructed jets",120,-0.5,119.5);
427
428 fh1NConstRec = new TH1F("fh1NConstRec","# jet constituents",120,-0.5,119.5);
429 fh1NConstRecRan = new TH1F("fh1NConstRecRan","# jet constituents",120,-0.5,119.5);
430 fh1NConstLeadingRec = new TH1F("fh1NConstLeadingRec","jet constituents",120,-0.5,119.5);
431 fh1NConstLeadingRecRan = new TH1F("fh1NConstLeadingRecRan","jet constituents",120,-0.5,119.5);
432
433
434 fh1PtHard = new TH1F("fh1PtHard","PYTHIA Pt hard;p_{T,hard}",nBinPt,binLimitsPt);
435 fh1PtHardNoW = new TH1F("fh1PtHardNoW","PYTHIA Pt hard no weight;p_{T,hard}",nBinPt,binLimitsPt);
436 fh1PtHardTrials = new TH1F("fh1PtHardTrials","PYTHIA Pt hard weight with trials;p_{T,hard}",nBinPt,binLimitsPt);
437
438 fh1PtJetsRecIn = new TH1F("fh1PtJetsRecIn","Rec jets P_T;p_{T} (GeV/c)",nBinPt,binLimitsPt);
439 fh1PtJetsRecInRan = new TH1F("fh1PtJetsRecInRan","Rec jets P_T;p_{T} (GeV/c)",nBinPt,binLimitsPt);
440 fh1PtJetsLeadingRecIn = new TH1F("fh1PtJetsLeadingRecIn","Rec jets P_T;p_{T} (GeV/c)",nBinPt,binLimitsPt);
441 fh1PtJetsLeadingRecInRan = new TH1F("fh1PtJetsLeadingRecInRan","Rec jets P_T;p_{T} (GeV/c)",nBinPt,binLimitsPt);
442 fh1PtJetConstRec = new TH1F("fh1PtJetsConstRec","Rec jets constituents P_T;p_{T} (GeV/c)",nBinPt,binLimitsPt);
443 fh1PtJetConstLeadingRec = new TH1F("fh1PtJetsConstLeadingRec","Rec jets constituents P_T;p_{T} (GeV/c)",nBinPt,binLimitsPt);
444 fh1PtTracksRecIn = new TH1F("fh1PtTracksRecIn","Rec tracks P_T #eta < 0.9;p_{T} (GeV/c)",nBinPt,binLimitsPt);
445 fh1PtTracksLeadingRecIn = new TH1F("fh1PtTracksLeadingRecIn","Rec tracks P_T #eta < 0.9;p_{T} (GeV/c)",nBinPt,binLimitsPt);
446 fh1PtTracksGenIn = new TH1F("fh1PtTracksGenIn","gen tracks P_T #eta < 0.9;p_{T} (GeV/c)",nBinPt,binLimitsPt);
a0d08b6d 447 fh1Nch = new TH1F("fh1Nch","charged multiplicity; N_{ch}",nChMax,-0.5,nChMax-0.5);
dbf053f0 448
0341d0d8 449 fh1Centrality = new TH1F("fh1Centrality",";cent (%)",111,-0.5,110.5);
450 fh1CentralitySelect = new TH1F("fh1CentralitySelect",";cent (%)",111,-0.5,110.5);
aae7993b 451 fh1CentralityPhySel = new TH1F("fh1CentralityPhySel",";cent (%)",111,-0.5,110.5);
0341d0d8 452
e2ca7519 453 fh1Z = new TH1F("fh1Z",";zvtx",100,-25,25);
454 fh1ZSelect = new TH1F("fh1ZSelect",";zvtx",100,-25,25);
455 fh1ZPhySel = new TH1F("fh1ZPhySel",";zvtx",100,-25,25);
456
dbf053f0 457 fh2NRecJetsPt = new TH2F("fh2NRecJetsPt","Number of jets above threshhold;p_{T,cut} (GeV/c);N_{jets}",nBinPt,binLimitsPt,50,-0.5,49.5);
458 fh2NRecJetsPtRan = new TH2F("fh2NRecJetsPtRan","Number of jets above threshhold;p_{T,cut} (GeV/c);N_{jets}",nBinPt,binLimitsPt,50,-0.5,49.5);
459 fh2NRecTracksPt = new TH2F("fh2NRecTracksPt","Number of tracks above threshhold;p_{T,cut} (GeV/c);N_{tracks}",nBinPt,binLimitsPt,50,-0.5,49.5);
460 //
461
462
463 fh2NConstPt = new TH2F("fh2NConstPt","Number of constituents ;p_{T} (GeV/c);N",nBinPt,binLimitsPt,50,-0.5,49.5);
464 fh2NConstLeadingPt = new TH2F("fh2NConstLeadingPt","Number of constituents ;p_{T} (GeV/c);N",nBinPt,binLimitsPt,50,-0.5,49.5);
465 fh2NConstPtRan = new TH2F("fh2NConstPtRan","Number of constituents ;p_{T} (GeV/c);N",nBinPt,binLimitsPt,50,-0.5,49.5);
466 fh2NConstLeadingPtRan = new TH2F("fh2NConstLeadingPtRan","Number of constituents ;p_{T} (GeV/c);N",nBinPt,binLimitsPt,50,-0.5,49.5);
467
a0d08b6d 468 fh2PtNch = new TH2F("fh2PtNch","p_T of cluster vs. multiplicity; N_{ch};p_{T} (GeV/c);",nChMax,-0.5,nChMax-0.5,nBinPt,binLimitsPt);
469 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);
470 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);
471 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);
472
473
474
dbf053f0 475 fh2JetPhiEta = new TH2F("fh2JetPhiEta","eta vs phi all jets;#phi;#eta",
476 nBinPhi,0.,2.*TMath::Pi(),nBinEta,binLimitsEta);
477 fh2LeadingJetPhiEta = new TH2F("fh2LeadingJetPhiEta","eta vs phi leading jets;#phi;#eta",
478 nBinPhi,0.,2.*TMath::Pi(),nBinEta,binLimitsEta);
479
480 fh2JetEtaPt = new TH2F("fh2JetEtaPt","pt vs eta all jets;#eta;p_{T}",
481 nBinEta,binLimitsEta,nBinPt,binLimitsPt);
482 fh2LeadingJetEtaPt = new TH2F("fh2LeadingJetEtaPt","pT vs eta leading jets;#eta;p_{T}",
483 nBinEta,binLimitsEta,nBinPt,binLimitsPt);
484
485 fh2TrackEtaPt = new TH2F("fh2TrackEtaPt","pt vs eta all jets;#eta;p_{T}",
486 nBinEta,binLimitsEta,nBinPt,binLimitsPt);
487 fh2LeadingTrackEtaPt = new TH2F("fh2LeadingTrackEtaPt","pT vs eta leading jets;#eta;p_{T}",
488 nBinEta,binLimitsEta,nBinPt,binLimitsPt);
489
490
491
492 fh2JetsLeadingPhiEta = new TH2F("fh2JetsLeadingPhiEta","delta eta vs delta phi to leading jet;#Delta#phi;#Delta#eta",
493 nBinPhi,binLimitsPhi,nBinEta,binLimitsEta);
494 fh2JetsLeadingPhiPt = new TH2F("fh2JetsLeadingPhiPt","leading p_T vs delta phi to leading jet;#Delta#phi;p_{T} (GeV/c)",
495 nBinPhi,binLimitsPhi,nBinPt,binLimitsPt);
496 fh2TracksLeadingPhiEta = new TH2F("fh2TracksLeadingPhiEta","delta eta vs delta phi to leading track;#Delta#phi;#Delta#eta",
497 nBinPhi,binLimitsPhi,nBinEta,binLimitsEta);
498 fh2TracksLeadingPhiPt = new TH2F("fh2TracksLeadingPhiPt","leading p_T vs delta phi to leading jet;#Delta#phi;p_{T} (GeV/c)",
499 nBinPhi,binLimitsPhi,nBinPt,binLimitsPt);
500 fh2TracksLeadingJetPhiPt = new TH2F("fh2TracksLeadingJetPhiPt","leading p_T vs delta phi to leading jet;#Delta#phi;p_{T} (GeV/c)",
501 nBinPhi,binLimitsPhi,nBinPt,binLimitsPt);
502 fh2TracksLeadingJetPhiPtRan = new TH2F("fh2TracksLeadingJetPhiPtRan","leading p_T vs delta phi to leading jet;#Delta#phi;p_{T} (GeV/c)",
503 nBinPhi,binLimitsPhi,nBinPt,binLimitsPt);
504
505 fh2JetsLeadingPhiPtW = new TH2F("fh2JetsLeadingPhiPtW","leading p_T vs delta phi p_T weigted to leading jet;#Delta#phi;p_{T} (GeV/c)",
506 nBinPhi,binLimitsPhi,nBinPt,binLimitsPt);
507 fh2TracksLeadingPhiPtW = new TH2F("fh2TracksLeadingPhiPtW","leading p_T vs delta phi to leading jet (p_T weighted);#Delta#phi;p_{T} (GeV/c)",
508 nBinPhi,binLimitsPhi,nBinPt,binLimitsPt);
509
510 fh2TracksLeadingJetPhiPtW = new TH2F("fh2TracksLeadingJetPhiPtW","leading p_T vs delta phi to leading jet;#Delta#phi;p_{T} (GeV/c)",
511 nBinPhi,binLimitsPhi,nBinPt,binLimitsPt);
512 fh2TracksLeadingJetPhiPtWRan = new TH2F("fh2TracksLeadingJetPhiPtWRan","leading p_T vs delta phi to leading jet;#Delta#phi;p_{T} (GeV/c)",
513 nBinPhi,binLimitsPhi,nBinPt,binLimitsPt);
514
515
d7ca0e14 516 if(fUseBackgroundCalc){
517 for(int i = 0;i<3;i++){
518 fh1BiARandomCones[i] = new TH1F(Form("fh1BiARandomCones%d",i),";B_{i}^{A} (GeV/c)",200,-100,100);
519 fh1BiARandomConesRan[i] = new TH1F(Form("fh1BiARandomConesRan%d",i),";B_{i}^{A} (GeV/c)",200,-100,100);
520 }
521 }
aae7993b 522 for(int i = 0;i < kMaxCent;i++){
523 fh2JetsLeadingPhiPtC[i] = (TH2F*)fh2JetsLeadingPhiPt->Clone(Form("%s_C%02d",fh2JetsLeadingPhiPt->GetName(),i+1));
524 fh2JetsLeadingPhiPtWC[i]= (TH2F*)fh2JetsLeadingPhiPtW->Clone(Form("%s_C%02d",fh2JetsLeadingPhiPtW->GetName(),i+1));
525 fh2TracksLeadingJetPhiPtC[i] = (TH2F*)fh2TracksLeadingJetPhiPt->Clone(Form("%s_C%02d",fh2TracksLeadingJetPhiPt->GetName(),i+1));
526 fh2TracksLeadingJetPhiPtWC[i] = (TH2F*)fh2TracksLeadingJetPhiPtW->Clone(Form("%s_C%02d",fh2TracksLeadingJetPhiPtW->GetName(),i+1));
527 }
dbf053f0 528
529 const Int_t saveLevel = 3; // large save level more histos
530 if(saveLevel>0){
531 fHistList->Add(fh1Xsec);
532 fHistList->Add(fh1Trials);
533
534 fHistList->Add(fh1NJetsRec);
535 fHistList->Add(fh1NConstRec);
536 fHistList->Add(fh1NConstLeadingRec);
537 fHistList->Add(fh1PtJetsRecIn);
538 fHistList->Add(fh1PtJetsLeadingRecIn);
539 fHistList->Add(fh1PtTracksRecIn);
540 fHistList->Add(fh1PtTracksLeadingRecIn);
541 fHistList->Add(fh1PtJetConstRec);
542 fHistList->Add(fh1PtJetConstLeadingRec);
543 fHistList->Add(fh1NJetsRecRan);
544 fHistList->Add(fh1NConstRecRan);
545 fHistList->Add(fh1PtJetsLeadingRecInRan);
546 fHistList->Add(fh1NConstLeadingRecRan);
547 fHistList->Add(fh1PtJetsRecInRan);
a0d08b6d 548 fHistList->Add(fh1Nch);
0341d0d8 549 fHistList->Add(fh1Centrality);
550 fHistList->Add(fh1CentralitySelect);
aae7993b 551 fHistList->Add(fh1CentralityPhySel);
e2ca7519 552 fHistList->Add(fh1Z);
553 fHistList->Add(fh1ZSelect);
554 fHistList->Add(fh1ZPhySel);
d7ca0e14 555 if(fUseBackgroundCalc){
556 for(int i = 0;i<3;i++){
557 fHistList->Add(fh1BiARandomCones[i]);
558 fHistList->Add(fh1BiARandomConesRan[i]);
559 }
82a35b1a 560 }
aae7993b 561 for(int i = 0;i < kMaxCent;i++){
562 fHistList->Add(fh2JetsLeadingPhiPtC[i]);
563 fHistList->Add(fh2JetsLeadingPhiPtWC[i]);
564 fHistList->Add(fh2TracksLeadingJetPhiPtC[i]);
565 fHistList->Add(fh2TracksLeadingJetPhiPtWC[i]);
566 }
567
dbf053f0 568 fHistList->Add(fh2NRecJetsPt);
569 fHistList->Add(fh2NRecTracksPt);
570 fHistList->Add(fh2NConstPt);
571 fHistList->Add(fh2NConstLeadingPt);
a0d08b6d 572 fHistList->Add(fh2PtNch);
573 fHistList->Add(fh2PtNchRan);
574 fHistList->Add(fh2PtNchN);
575 fHistList->Add(fh2PtNchNRan);
dbf053f0 576 fHistList->Add(fh2JetPhiEta);
577 fHistList->Add(fh2LeadingJetPhiEta);
578 fHistList->Add(fh2JetEtaPt);
579 fHistList->Add(fh2LeadingJetEtaPt);
580 fHistList->Add(fh2TrackEtaPt);
581 fHistList->Add(fh2LeadingTrackEtaPt);
582 fHistList->Add(fh2JetsLeadingPhiEta );
583 fHistList->Add(fh2JetsLeadingPhiPt);
584 fHistList->Add(fh2TracksLeadingPhiEta);
585 fHistList->Add(fh2TracksLeadingPhiPt);
586 fHistList->Add(fh2TracksLeadingJetPhiPt);
587 fHistList->Add(fh2JetsLeadingPhiPtW);
588 fHistList->Add(fh2TracksLeadingPhiPtW);
589 fHistList->Add(fh2TracksLeadingJetPhiPtW);
590 fHistList->Add(fh2NRecJetsPtRan);
591 fHistList->Add(fh2NConstPtRan);
592 fHistList->Add(fh2NConstLeadingPtRan);
593 fHistList->Add(fh2TracksLeadingJetPhiPtRan);
594 fHistList->Add(fh2TracksLeadingJetPhiPtWRan);
595 }
596
597 // =========== Switch on Sumw2 for all histos ===========
598 for (Int_t i=0; i<fHistList->GetEntries(); ++i) {
599 TH1 *h1 = dynamic_cast<TH1*>(fHistList->At(i));
600 if (h1){
601 h1->Sumw2();
602 continue;
603 }
604 THnSparse *hn = dynamic_cast<THnSparse*>(fHistList->At(i));
605 if(hn)hn->Sumw2();
606 }
607 TH1::AddDirectory(oldStatus);
608}
609
610void AliAnalysisTaskJetCluster::Init()
611{
612 //
613 // Initialization
614 //
615
dbf053f0 616 if (fDebug > 1) printf("AnalysisTaskJetCluster::Init() \n");
617
618}
619
620void AliAnalysisTaskJetCluster::UserExec(Option_t */*option*/)
621{
622
623 if(fUseGlobalSelection){
624 // no selection by the service task, we continue
625 if (fDebug > 1)Printf("Not selected %s:%d",(char*)__FILE__,__LINE__);
626 PostData(1, fHistList);
627 return;
628 }
629
0341d0d8 630
631
54424110 632 // handle and reset the output jet branch
633 // only need this once
634 TClonesArray* jarray = 0;
d6e66a82 635 TClonesArray* jarrayran = 0;
d7ca0e14 636 TClonesArray* rConeArray = 0;
637 TClonesArray* rConeArrayRan = 0;
d6e66a82 638 AliAODJetEventBackground* evBkg = 0;
54424110 639 if(fNonStdBranch.Length()!=0) {
640 if(AODEvent())jarray = (TClonesArray*)(AODEvent()->FindListObject(fNonStdBranch.Data()));
641 if(!jarray)jarray = (TClonesArray*)(fAODExtension->GetAOD()->FindListObject(fNonStdBranch.Data()));
642 if(jarray)jarray->Delete(); // this is our responsibility, clear before filling again
d6e66a82 643 if(AODEvent())jarrayran = (TClonesArray*)(AODEvent()->FindListObject(Form("%s_%s",fNonStdBranch.Data(),"random")));
644 if(!jarrayran)jarrayran = (TClonesArray*)(fAODExtension->GetAOD()->FindListObject(Form("%s_%s",fNonStdBranch.Data(),"random")));
645 if(jarrayran)jarrayran->Delete(); // this is our responsibility, clear before filling again
d7ca0e14 646
9fd9f55b 647 if(fUseBackgroundCalc){
648 if(AODEvent())evBkg = (AliAODJetEventBackground*)(AODEvent()->FindListObject(Form("%s_%s",AliAODJetEventBackground::StdBranchName(),fNonStdBranch.Data())));
649 if(!evBkg) evBkg = (AliAODJetEventBackground*)(fAODExtension->GetAOD()->FindListObject(Form("%s_%s",AliAODJetEventBackground::StdBranchName(),fNonStdBranch.Data())));
650 if(evBkg)evBkg->Reset();
d7ca0e14 651
652 TString cName = Form("%sRandomCone",fNonStdBranch.Data());
653 if(AODEvent())rConeArray = (TClonesArray*)(AODEvent()->FindListObject(cName.Data()));
654 if(!rConeArray)rConeArray = (TClonesArray*)(fAODExtension->GetAOD()->FindListObject(cName.Data()));
655 if(rConeArray)rConeArray->Delete();
656
657 cName = Form("%sRandomCone_random",fNonStdBranch.Data());
658 if(AODEvent())rConeArrayRan = (TClonesArray*)(AODEvent()->FindListObject(cName.Data()));
659 if(!rConeArrayRan)rConeArrayRan = (TClonesArray*)(fAODExtension->GetAOD()->FindListObject(cName.Data()));
660 if(rConeArrayRan)rConeArrayRan->Delete();
9fd9f55b 661 }
54424110 662 }
663
0341d0d8 664 static AliAODJetEventBackground* externalBackground = 0;
665 if(!externalBackground&&fBackgroundBranch.Length()){
666 externalBackground = (AliAODJetEventBackground*)(AODEvent()->FindListObject(fBackgroundBranch.Data()));
0996d685 667 Printf("%s:%d Background branch not found %s",(char*)__FILE__,__LINE__,fBackgroundBranch.Data());;
0341d0d8 668 }
dbf053f0 669 //
670 // Execute analysis for current event
671 //
672 AliESDEvent *fESD = 0;
673 if(fUseAODTrackInput){
674 fAOD = dynamic_cast<AliAODEvent*>(InputEvent());
675 if(!fAOD){
676 Printf("%s:%d AODEvent not found in Input Manager %d",(char*)__FILE__,__LINE__,fUseAODTrackInput);
677 return;
678 }
679 // fethc the header
680 }
681 else{
682 // assume that the AOD is in the general output...
683 fAOD = AODEvent();
684 if(!fAOD){
685 Printf("%s:%d AODEvent not found in the Output",(char*)__FILE__,__LINE__);
686 return;
687 }
688 if(fDebug>0){
689 fESD = dynamic_cast<AliESDEvent*> (InputEvent());
690 }
691 }
692
693 Bool_t selectEvent = false;
54424110 694 Bool_t physicsSelection = true;// handled by the framework(fInputHandler->IsEventSelected()&AliVEvent::kMB)==AliVEvent::kMB;
dbf053f0 695
aae7993b 696 Float_t cent = 0;
e2ca7519 697 Float_t zVtx = 0;
aae7993b 698 Int_t cenClass = -1;
dbf053f0 699 if(fAOD){
700 const AliAODVertex *vtxAOD = fAOD->GetPrimaryVertex();
54424110 701 TString vtxTitle(vtxAOD->GetTitle());
e2ca7519 702 zVtx = vtxAOD->GetZ();
703
aae7993b 704 cent = fAOD->GetHeader()->GetCentrality();
705 if(cent<10)cenClass = 0;
706 else if(cent<30)cenClass = 1;
707 else if(cent<50)cenClass = 2;
708 else if(cent<80)cenClass = 3;
e2ca7519 709 if(physicsSelection){
710 fh1CentralityPhySel->Fill(cent);
711 fh1ZPhySel->Fill(zVtx);
712 }
713
54424110 714
715 if(vtxAOD->GetNContributors()>2&&!vtxTitle.Contains("TPCVertex")){
dbf053f0 716 Float_t yvtx = vtxAOD->GetY();
717 Float_t xvtx = vtxAOD->GetX();
718 Float_t r2 = yvtx*yvtx+xvtx*xvtx;
0996d685 719 if(TMath::Abs(zVtx)<8.&&r2<1.){ // apply vertex cut later on
e2ca7519 720 if(physicsSelection){
721 selectEvent = true;
722 }
dbf053f0 723 }
724 }
aae7993b 725 if(fCentCutUp>0){
726 if(cent<fCentCutLo||cent>fCentCutUp){
727 selectEvent = false;
728 }
729 }
730
dbf053f0 731 }
732 if(!selectEvent){
733 PostData(1, fHistList);
734 return;
735 }
aae7993b 736 fh1Centrality->Fill(cent);
e2ca7519 737 fh1Z->Fill(zVtx);
dbf053f0 738 fh1Trials->Fill("#sum{ntrials}",1);
739
740
741 if (fDebug > 10)Printf("%s:%d",(char*)__FILE__,__LINE__);
742
743 // ==== General variables needed
744
745
746
747 // we simply fetch the tracks/mc particles as a list of AliVParticles
748
749 TList recParticles;
750 TList genParticles;
751
752 Int_t nT = GetListOfTracks(&recParticles,fTrackTypeRec);
a0d08b6d 753 Float_t nCh = recParticles.GetEntries();
754 fh1Nch->Fill(nCh);
dbf053f0 755 if(fDebug>2)Printf("%s:%d Selected Rec tracks: %d %d",(char*)__FILE__,__LINE__,nT,recParticles.GetEntries());
756 nT = GetListOfTracks(&genParticles,fTrackTypeGen);
757 if(fDebug>2)Printf("%s:%d Selected Gen tracks: %d %d",(char*)__FILE__,__LINE__,nT,genParticles.GetEntries());
758
759 // find the jets....
760
761 vector<fastjet::PseudoJet> inputParticlesRec;
762 vector<fastjet::PseudoJet> inputParticlesRecRan;
d7ca0e14 763
764 // Generate the random cones
765
766 AliAODJet vTmpRan(1,0,0,1);
dbf053f0 767 for(int i = 0; i < recParticles.GetEntries(); i++){
768 AliVParticle *vp = (AliVParticle*)recParticles.At(i);
769 // Carefull energy is not well determined in real data, should not matter for p_T scheme?
d7ca0e14 770 // we take total momentum here
dbf053f0 771 fastjet::PseudoJet jInp(vp->Px(),vp->Py(),vp->Pz(),vp->P());
772 jInp.set_user_index(i);
773 inputParticlesRec.push_back(jInp);
774
775 // the randomized input changes eta and phi, but keeps the p_T
bd80a748 776 if(i>=fNSkipLeadingRan){// eventually skip the leading particles
777 Double_t pT = vp->Pt();
d7ca0e14 778 Double_t eta = 1.8 * fRandom->Rndm() - 0.9;
779 Double_t phi = 2.* TMath::Pi() * fRandom->Rndm();
bd80a748 780
d7ca0e14 781 Double_t theta = 2.*TMath::ATan(TMath::Exp(-eta));
bd80a748 782 Double_t pZ = pT/TMath::Tan(theta);
783
784 Double_t pX = pT * TMath::Cos(phi);
785 Double_t pY = pT * TMath::Sin(phi);
786 Double_t p = TMath::Sqrt(pT*pT+pZ*pZ);
787 fastjet::PseudoJet jInpRan(pX,pY,pZ,p);
d7ca0e14 788
bd80a748 789 jInpRan.set_user_index(i);
790 inputParticlesRecRan.push_back(jInpRan);
d7ca0e14 791 vTmpRan.SetPxPyPzE(pX,pY,pZ,p);
bd80a748 792 }
54424110 793
794 // fill the tref array, only needed when we write out jets
795 if(jarray){
796 if(i == 0){
797 fRef->Delete(); // make sure to delete before placement new...
798 new(fRef) TRefArray(TProcessID::GetProcessWithUID(vp));
799 }
800 fRef->Add(vp);
801 }
d7ca0e14 802 }// recparticles
d7ca0e14 803
dbf053f0 804 if(inputParticlesRec.size()==0){
805 if(fDebug)Printf("%s:%d No input particles found, skipping event",(char*)__FILE__,__LINE__);
806 PostData(1, fHistList);
807 return;
808 }
809
810 // run fast jet
4dd6159d 811 // employ setters for these...
812
d6e66a82 813
9fd9f55b 814 // now create the object that holds info about ghosts
815 if(!fUseBackgroundCalc&& fNonStdBranch.Length()==0){
816 // reduce CPU time...
817 fGhostArea = 0.5;
818 fActiveAreaRepeats = 0;
819 }
d7ca0e14 820
821 fastjet::GhostedAreaSpec ghostSpec(fGhostEtamax, fActiveAreaRepeats, fGhostArea);
4dd6159d 822 fastjet::AreaType areaType = fastjet::active_area;
823 fastjet::AreaDefinition areaDef = fastjet::AreaDefinition(areaType,ghostSpec);
82a35b1a 824 fastjet::JetDefinition jetDef(fAlgorithm, fRparam, fRecombScheme, fStrategy);
dbf053f0 825 vector <fastjet::PseudoJet> inclusiveJets, sortedJets;
4dd6159d 826 fastjet::ClusterSequenceArea clustSeq(inputParticlesRec, jetDef,areaDef);
dbf053f0 827
d6e66a82 828 //range where to compute background
829 Double_t phiMin = 0, phiMax = 0, rapMin = 0, rapMax = 0;
830 phiMin = 0;
831 phiMax = 2*TMath::Pi();
832 rapMax = fGhostEtamax - fRparam;
833 rapMin = - fGhostEtamax + fRparam;
834 fastjet::RangeDefinition range(rapMin,rapMax, phiMin, phiMax);
835
836
837
dbf053f0 838 inclusiveJets = clustSeq.inclusive_jets();
839 sortedJets = sorted_by_pt(inclusiveJets);
840
dbf053f0 841 fh1NJetsRec->Fill(sortedJets.size());
842
843 // loop over all jets an fill information, first on is the leading jet
844
54424110 845 Int_t nRecOver = inclusiveJets.size();
846 Int_t nRec = inclusiveJets.size();
847 if(inclusiveJets.size()>0){
848 AliAODJet leadingJet (sortedJets[0].px(), sortedJets[0].py(), sortedJets[0].pz(), sortedJets[0].E());
aae7993b 849 Double_t area = clustSeq.area(sortedJets[0]);
0341d0d8 850 leadingJet.SetEffArea(area,0);
dbf053f0 851 Float_t pt = leadingJet.Pt();
54424110 852 Int_t nAodOutJets = 0;
853 Int_t nAodOutTracks = 0;
854 AliAODJet *aodOutJet = 0;
dbf053f0 855
856 Int_t iCount = 0;
857 for(int i = 1;i <= fh2NRecJetsPt->GetNbinsX();i++){
858 Float_t ptCut = fh2NRecJetsPt->GetXaxis()->GetBinCenter(i);
859 while(pt<ptCut&&iCount<nRec){
860 nRecOver--;
861 iCount++;
862 if(iCount<nRec){
863 pt = sortedJets[iCount].perp();
864 }
865 }
866 if(nRecOver<=0)break;
867 fh2NRecJetsPt->Fill(ptCut,nRecOver);
868 }
869 Float_t phi = leadingJet.Phi();
870 if(phi<0)phi+=TMath::Pi()*2.;
871 Float_t eta = leadingJet.Eta();
0341d0d8 872 Float_t pTback = 0;
873 if(externalBackground){
874 // carefull has to be filled in a task before
875 // todo, ReArrange to the botom
876 pTback = externalBackground->GetBackground(2)*leadingJet.EffectiveAreaCharged();
877 }
878 pt = leadingJet.Pt() - pTback;
dbf053f0 879 // correlation of leading jet with tracks
880 TIterator *recIter = recParticles.MakeIterator();
dbf053f0 881 recIter->Reset();
225f0094 882 AliVParticle *tmpRecTrack = 0;
dbf053f0 883 while((tmpRecTrack = (AliVParticle*)(recIter->Next()))){
884 Float_t tmpPt = tmpRecTrack->Pt();
885 // correlation
886 Float_t tmpPhi = tmpRecTrack->Phi();
887 if(tmpPhi<0)tmpPhi+=TMath::Pi()*2.;
888 Float_t dPhi = phi - tmpPhi;
889 if(dPhi>TMath::Pi())dPhi = dPhi - 2.*TMath::Pi();
890 if(dPhi<(-1.*TMath::Pi()))dPhi = dPhi + 2.*TMath::Pi();
dbf053f0 891 fh2TracksLeadingJetPhiPt->Fill(dPhi,pt);
892 fh2TracksLeadingJetPhiPtW->Fill(dPhi,pt,tmpPt);
aae7993b 893 if(cenClass>=0){
894 fh2TracksLeadingJetPhiPtC[cenClass]->Fill(dPhi,pt);
895 fh2TracksLeadingJetPhiPtWC[cenClass]->Fill(dPhi,pt,tmpPt);
896 }
897
54424110 898 }
899
900
901
4096256e 902 for(int j = 0; j < nRec;j++){
903 AliAODJet tmpRec (sortedJets[j].px(), sortedJets[j].py(), sortedJets[j].pz(), sortedJets[j].E());
904 aodOutJet = 0;
905 nAodOutTracks = 0;
906 Float_t tmpPt = tmpRec.Pt();
fb10c4b8 907
908 if(tmpPt>fJetOutputMinPt&&jarray){// cut on the non-background subtracted...
909 aodOutJet = new ((*jarray)[nAodOutJets++]) AliAODJet(tmpRec);
910 Double_t area1 = clustSeq.area(sortedJets[j]);
911 aodOutJet->SetEffArea(area1,0);
912 }
913
914
4096256e 915 Float_t tmpPtBack = 0;
916 if(externalBackground){
917 // carefull has to be filled in a task before
2b018f7a 918 // todo, ReArrange to the botom
4096256e 919 tmpPtBack = externalBackground->GetBackground(2)*tmpRec.EffectiveAreaCharged();
920 }
921 tmpPt = tmpPt - tmpPtBack;
922 if(tmpPt<0)tmpPt = 0; // avoid negative weights...
923
924 fh1PtJetsRecIn->Fill(tmpPt);
925 // Fill Spectra with constituents
926 vector<fastjet::PseudoJet> constituents = clustSeq.constituents(sortedJets[j]);
fb10c4b8 927
4096256e 928 fh1NConstRec->Fill(constituents.size());
929 fh2PtNch->Fill(nCh,tmpPt);
930 fh2PtNchN->Fill(nCh,tmpPt,constituents.size());
931 fh2NConstPt->Fill(tmpPt,constituents.size());
932 // loop over constiutents and fill spectrum
933
934 // Add the jet information and the track references to the output AOD
4096256e 935
54424110 936
4096256e 937 if(fUseBackgroundCalc){
938
939 // create a random jet within the acceptance
940 Double_t etaMax = 0.9 - fRparam;
941 Int_t nCone = 0;
942 Int_t nConeRan = 0;
943 Double_t pTC = 1; // small number
944 for(int ir = 0;ir < fNRandomCones;ir++){
945 Double_t etaC = etaMax*2.*(fRandom->Rndm()-0.5); // +- etamax
946 Double_t phiC = fRandom->Rndm()*2.*TMath::Pi(); // 0 - 2pi
947 // massless jet
948 Double_t thetaC = 2.*TMath::ATan(TMath::Exp(-etaC));
949 Double_t pZC = pTC/TMath::Tan(thetaC);
950 Double_t pXC = pTC * TMath::Cos(phiC);
951 Double_t pYC = pTC * TMath::Sin(phiC);
952 Double_t pC = TMath::Sqrt(pTC*pTC+pZC*pZC);
953 AliAODJet tmpRecC (pXC,pYC,pZC, pC);
954 bool skip = false;
955 for(int jj = 0; jj < TMath::Min(nRec,2);jj++){
956 AliAODJet jet (sortedJets[jj].px(), sortedJets[jj].py(), sortedJets[jj].pz(), sortedJets[jj].E());
957 if(jet.DeltaR(& tmpRecC)<2.*fRparam+0.2){
958 skip = true;
959 break;
960 }
961 }
962 if(skip)continue;
963 tmpRecC.SetBgEnergy(0,0); // this is use as temporary storage of the summed p_T below
964 if(rConeArrayRan)new ((*rConeArrayRan)[nConeRan++]) AliAODJet(tmpRecC);
965 if(rConeArray)new ((*rConeArray)[nCone++]) AliAODJet(tmpRecC);
966 }// random cones
967
968
969 // loop over the reconstructed particles and add up the pT in the random cones
970 // maybe better to loop over randomized particles not in the real jets...
971 // but this by definition brings dow average energy in the whole event
972 AliAODJet vTmpRanR(1,0,0,1);
973 for(int i = 0; i < recParticles.GetEntries(); i++){
974 AliVParticle *vp = (AliVParticle*)recParticles.At(i);
975 if(rConeArray){
976 for(int ir = 0;ir < fNRandomCones;ir++){
977 AliAODJet *jC = (AliAODJet*)rConeArray->At(ir);
978 if(jC&&jC->DeltaR(vp)<fRparam){
979 jC->SetBgEnergy(jC->ChargedBgEnergy()+vp->Pt(),0);
980 }
981 }
982 }// add up energy in cone
983
984 // the randomized input changes eta and phi, but keeps the p_T
985 if(i>=fNSkipLeadingRan){// eventually skip the leading particles
986 Double_t pTR = vp->Pt();
987 Double_t etaR = 1.8 * fRandom->Rndm() - 0.9;
988 Double_t phiR = 2.* TMath::Pi() * fRandom->Rndm();
989
990 Double_t thetaR = 2.*TMath::ATan(TMath::Exp(-etaR));
991 Double_t pZR = pTR/TMath::Tan(thetaR);
992
993 Double_t pXR = pTR * TMath::Cos(phiR);
994 Double_t pYR = pTR * TMath::Sin(phiR);
995 Double_t pR = TMath::Sqrt(pTR*pTR+pZR*pZR);
996 vTmpRanR.SetPxPyPzE(pXR,pYR,pZR,pR);
997 if(rConeArrayRan){
998 for(int ir = 0;ir < fNRandomCones;ir++){
999 AliAODJet *jC = (AliAODJet*)rConeArrayRan->At(ir);
1000 if(jC&&jC->DeltaR(&vTmpRanR)<fRparam){
1001 jC->SetBgEnergy(jC->ChargedBgEnergy()+vTmpRanR.Pt(),0);
1002 }
1003 }
1004 }
1005 }
1006 }// loop over recparticles
1007
1008 Float_t jetArea = fRparam*fRparam*TMath::Pi();
1009 for(int ir = 0;ir < fNRandomCones;ir++){
1010 // rescale the momntum vectors for the random cones
1011 if(!rConeArray)continue;
1012 AliAODJet *rC = (AliAODJet*)rConeArray->At(ir);
1013 if(rC){
1014 Double_t etaC = rC->Eta();
1015 Double_t phiC = rC->Phi();
1016 // massless jet, unit vector
1017 pTC = rC->ChargedBgEnergy();
1018 if(pTC<=0)pTC = 0.1; // for almost empty events
1019 Double_t thetaC = 2.*TMath::ATan(TMath::Exp(-etaC));
1020 Double_t pZC = pTC/TMath::Tan(thetaC);
1021 Double_t pXC = pTC * TMath::Cos(phiC);
1022 Double_t pYC = pTC * TMath::Sin(phiC);
1023 Double_t pC = TMath::Sqrt(pTC*pTC+pZC*pZC);
1024 rC->SetPxPyPzE(pXC,pYC,pZC, pC);
1025 rC->SetBgEnergy(0,0);
1026 rC->SetEffArea(jetArea,0);
1027 }
1028 rC = (AliAODJet*)rConeArrayRan->At(ir);
1029 // same wit random
1030 if(rC){
1031 Double_t etaC = rC->Eta();
1032 Double_t phiC = rC->Phi();
1033 // massless jet, unit vector
1034 pTC = rC->ChargedBgEnergy();
1035 if(pTC<=0)pTC = 0.1;// for almost empty events
1036 Double_t thetaC = 2.*TMath::ATan(TMath::Exp(-etaC));
1037 Double_t pZC = pTC/TMath::Tan(thetaC);
1038 Double_t pXC = pTC * TMath::Cos(phiC);
1039 Double_t pYC = pTC * TMath::Sin(phiC);
1040 Double_t pC = TMath::Sqrt(pTC*pTC+pZC*pZC);
1041 rC->SetPxPyPzE(pXC,pYC,pZC, pC);
1042 rC->SetBgEnergy(0,0);
1043 rC->SetEffArea(jetArea,0);
1044 }
1045 }
1046 }// if(fUseBackgroundCalc
54424110 1047
1048 for(unsigned int ic = 0; ic < constituents.size();ic++){
1049 AliVParticle *part = (AliVParticle*)recParticles.At(constituents[ic].user_index());
1050 fh1PtJetConstRec->Fill(part->Pt());
1051 if(aodOutJet){
1052 aodOutJet->AddTrack(fRef->At(constituents[ic].user_index()));
1053 }
1054 if(j==0)fh1PtJetConstLeadingRec->Fill(part->Pt());
1055 }
54424110 1056
1057 // correlation
1058 Float_t tmpPhi = tmpRec.Phi();
1059 Float_t tmpEta = tmpRec.Eta();
1060 if(tmpPhi<0)tmpPhi+=TMath::Pi()*2.;
1061
2b018f7a 1062
4096256e 1063
54424110 1064 if(j==0){
1065 fh1PtJetsLeadingRecIn->Fill(tmpPt);
1066 fh2LeadingJetPhiEta->Fill(tmpPhi,tmpEta);
1067 fh2LeadingJetEtaPt->Fill(tmpEta,tmpPt);
1068 fh1NConstLeadingRec->Fill(constituents.size());
1069 fh2NConstLeadingPt->Fill(tmpPt,constituents.size());
1070 continue;
1071 }
1072 fh2JetPhiEta->Fill(tmpRec.Phi(),tmpEta);
1073 fh2JetEtaPt->Fill(tmpEta,tmpPt);
1074 Float_t dPhi = phi - tmpPhi;
1075 if(dPhi>TMath::Pi())dPhi = dPhi - 2.*TMath::Pi();
1076 if(dPhi<(-1.*TMath::Pi()))dPhi = dPhi + 2.*TMath::Pi();
1077 Float_t dEta = eta - tmpRec.Eta();
1078 fh2JetsLeadingPhiEta->Fill(dPhi,dEta);
1079 fh2JetsLeadingPhiPt->Fill(dPhi,pt);
aae7993b 1080 if(cenClass>=0){
1081 fh2JetsLeadingPhiPtC[cenClass]->Fill(dPhi,pt);
1082 fh2JetsLeadingPhiPtWC[cenClass]->Fill(dPhi,pt,tmpPt);
1083 }
54424110 1084 fh2JetsLeadingPhiPtW->Fill(dPhi,pt,tmpPt);
4096256e 1085 }
54424110 1086 delete recIter;
d7ca0e14 1087
1088 //background estimates:all bckg jets(0) & wo the 2 hardest(1)
d6e66a82 1089
4096256e 1090
d6e66a82 1091 if(evBkg){
1092 vector<fastjet::PseudoJet> jets2=sortedJets;
1093 if(jets2.size()>2) jets2.erase(jets2.begin(),jets2.begin()+2);
1094 Double_t bkg1=0;
1095 Double_t sigma1=0.;
1096 Double_t meanarea1=0.;
1097 Double_t bkg2=0;
1098 Double_t sigma2=0.;
1099 Double_t meanarea2=0.;
82a35b1a 1100
4a33f620 1101 clustSeq.get_median_rho_and_sigma(sortedJets, range, false, bkg1, sigma1, meanarea1, true);
d6e66a82 1102 evBkg->SetBackground(0,bkg1,sigma1,meanarea1);
f974a156 1103
1104 // fh1BiARandomCones[0]->Fill(omCone-(bkg1*areaRandomCone));
1105 // fh1BiARandomConesRan[0]->Fill(ptRandomConeRan-(bkg1*areaRandomCone));
82a35b1a 1106
4a33f620 1107 clustSeq.get_median_rho_and_sigma(jets2, range, false, bkg2, sigma2, meanarea2, true);
d6e66a82 1108 evBkg->SetBackground(1,bkg2,sigma2,meanarea2);
f974a156 1109 // fh1BiARandomCones[1]->Fill(ptRandomCone-(bkg2*areaRandomCone));
1110 // fh1BiARandomConesRan[1]->Fill(ptRandomConeRan-(bkg2*areaRandomCone));
1111
d6e66a82 1112 }
54424110 1113 }
d7ca0e14 1114
82a35b1a 1115
1116
1117
dbf053f0 1118
82a35b1a 1119 // fill track information
1120 Int_t nTrackOver = recParticles.GetSize();
dbf053f0 1121 // do the same for tracks and jets
82a35b1a 1122
1123 if(nTrackOver>0){
dbf053f0 1124 TIterator *recIter = recParticles.MakeIterator();
1125 AliVParticle *tmpRec = (AliVParticle*)(recIter->Next());
1126 Float_t pt = tmpRec->Pt();
82a35b1a 1127
dbf053f0 1128 // Printf("Leading track p_t %3.3E",pt);
1129 for(int i = 1;i <= fh2NRecTracksPt->GetNbinsX();i++){
1130 Float_t ptCut = fh2NRecTracksPt->GetXaxis()->GetBinCenter(i);
1131 while(pt<ptCut&&tmpRec){
1132 nTrackOver--;
1133 tmpRec = (AliVParticle*)(recIter->Next());
1134 if(tmpRec){
1135 pt = tmpRec->Pt();
1136 }
1137 }
1138 if(nTrackOver<=0)break;
1139 fh2NRecTracksPt->Fill(ptCut,nTrackOver);
1140 }
1141
1142 recIter->Reset();
1143 AliVParticle *leading = (AliVParticle*)recParticles.At(0);
1144 Float_t phi = leading->Phi();
1145 if(phi<0)phi+=TMath::Pi()*2.;
1146 Float_t eta = leading->Eta();
1147 pt = leading->Pt();
1148 while((tmpRec = (AliVParticle*)(recIter->Next()))){
1149 Float_t tmpPt = tmpRec->Pt();
1150 Float_t tmpEta = tmpRec->Eta();
1151 fh1PtTracksRecIn->Fill(tmpPt);
1152 fh2TrackEtaPt->Fill(tmpEta,tmpPt);
1153 if(tmpRec==leading){
1154 fh1PtTracksLeadingRecIn->Fill(tmpPt);
1155 fh2LeadingTrackEtaPt->Fill(tmpEta,tmpPt);
1156 continue;
1157 }
1158 // correlation
1159 Float_t tmpPhi = tmpRec->Phi();
1160
1161 if(tmpPhi<0)tmpPhi+=TMath::Pi()*2.;
1162 Float_t dPhi = phi - tmpPhi;
1163 if(dPhi>TMath::Pi())dPhi = dPhi - 2.*TMath::Pi();
1164 if(dPhi<(-1.*TMath::Pi()))dPhi = dPhi + 2.*TMath::Pi();
1165 Float_t dEta = eta - tmpRec->Eta();
1166 fh2TracksLeadingPhiEta->Fill(dPhi,dEta);
1167 fh2TracksLeadingPhiPt->Fill(dPhi,pt);
1168 fh2TracksLeadingPhiPtW->Fill(dPhi,pt,tmpPt);
1169 }
1170 delete recIter;
1171 }
1172
1173 // find the random jets
1174 vector <fastjet::PseudoJet> inclusiveJetsRan, sortedJetsRan;
d6e66a82 1175 fastjet::ClusterSequenceArea clustSeqRan(inputParticlesRecRan, jetDef, areaDef);
dbf053f0 1176
1177 inclusiveJetsRan = clustSeqRan.inclusive_jets();
1178 sortedJetsRan = sorted_by_pt(inclusiveJetsRan);
1179
1180 // fill the jet information from random track
1181
1182 fh1NJetsRecRan->Fill(sortedJetsRan.size());
1183
1184 // loop over all jets an fill information, first on is the leading jet
1185
1186 Int_t nRecOverRan = inclusiveJetsRan.size();
1187 Int_t nRecRan = inclusiveJetsRan.size();
1188 if(inclusiveJetsRan.size()>0){
1189 AliAODJet leadingJet (sortedJetsRan[0].px(), sortedJetsRan[0].py(), sortedJetsRan[0].pz(), sortedJetsRan[0].E());
1190 Float_t pt = leadingJet.Pt();
1191
1192 Int_t iCount = 0;
1193 for(int i = 1;i <= fh2NRecJetsPtRan->GetNbinsX();i++){
1194 Float_t ptCut = fh2NRecJetsPtRan->GetXaxis()->GetBinCenter(i);
1195 while(pt<ptCut&&iCount<nRecRan){
1196 nRecOverRan--;
1197 iCount++;
1198 if(iCount<nRecRan){
1199 pt = sortedJetsRan[iCount].perp();
1200 }
1201 }
1202 if(nRecOverRan<=0)break;
1203 fh2NRecJetsPtRan->Fill(ptCut,nRecOverRan);
1204 }
1205 Float_t phi = leadingJet.Phi();
1206 if(phi<0)phi+=TMath::Pi()*2.;
1207 pt = leadingJet.Pt();
1208
1209 // correlation of leading jet with random tracks
1210
1211 for(unsigned int ip = 0; ip < inputParticlesRecRan.size();ip++)
1212 {
1213 Float_t tmpPt = inputParticlesRecRan[ip].perp();
1214 // correlation
1215 Float_t tmpPhi = inputParticlesRecRan[ip].phi();
1216 if(tmpPhi<0)tmpPhi+=TMath::Pi()*2.;
1217 Float_t dPhi = phi - tmpPhi;
1218 if(dPhi>TMath::Pi())dPhi = dPhi - 2.*TMath::Pi();
1219 if(dPhi<(-1.*TMath::Pi()))dPhi = dPhi + 2.*TMath::Pi();
dbf053f0 1220 fh2TracksLeadingJetPhiPtRan->Fill(dPhi,pt);
1221 fh2TracksLeadingJetPhiPtWRan->Fill(dPhi,pt,tmpPt);
1222 }
1223
d6e66a82 1224 Int_t nAodOutJetsRan = 0;
1225 AliAODJet *aodOutJetRan = 0;
dbf053f0 1226 for(int j = 0; j < nRecRan;j++){
1227 AliAODJet tmpRec (sortedJetsRan[j].px(), sortedJetsRan[j].py(), sortedJetsRan[j].pz(), sortedJetsRan[j].E());
1228 Float_t tmpPt = tmpRec.Pt();
1229 fh1PtJetsRecInRan->Fill(tmpPt);
1230 // Fill Spectra with constituents
1231 vector<fastjet::PseudoJet> constituents = clustSeqRan.constituents(sortedJetsRan[j]);
1232 fh1NConstRecRan->Fill(constituents.size());
1233 fh2NConstPtRan->Fill(tmpPt,constituents.size());
a0d08b6d 1234 fh2PtNchRan->Fill(nCh,tmpPt);
1235 fh2PtNchNRan->Fill(nCh,tmpPt,constituents.size());
d6e66a82 1236
1237
1238 if(tmpPt>fJetOutputMinPt&&jarrayran){
1239 aodOutJetRan = new ((*jarrayran)[nAodOutJetsRan++]) AliAODJet(tmpRec);
1240 Double_t arearan=clustSeqRan.area(sortedJetsRan[j]);
1241
1242 aodOutJetRan->SetEffArea(arearan,0); }
1243
1244
1245
1246
1247 for(unsigned int ic = 0; ic < constituents.size();ic++){
1248 // AliVParticle *part = (AliVParticle*)recParticles.At(constituents[ic].user_index());
1249 // fh1PtJetConstRec->Fill(part->Pt());
1250 if(aodOutJetRan){
1251 aodOutJetRan->AddTrack(fRef->At(constituents[ic].user_index()));
d7ca0e14 1252 }
1253 }
d6e66a82 1254
1255
1256
1257
dbf053f0 1258 // correlation
1259 Float_t tmpPhi = tmpRec.Phi();
1260 if(tmpPhi<0)tmpPhi+=TMath::Pi()*2.;
1261
1262 if(j==0){
1263 fh1PtJetsLeadingRecInRan->Fill(tmpPt);
1264 fh1NConstLeadingRecRan->Fill(constituents.size());
1265 fh2NConstLeadingPtRan->Fill(tmpPt,constituents.size());
1266 continue;
1267 }
1268 }
d6e66a82 1269
1270
1271 if(evBkg){
1272 Double_t bkg3=0.;
1273 Double_t sigma3=0.;
1274 Double_t meanarea3=0.;
4a33f620 1275 clustSeqRan.get_median_rho_and_sigma(sortedJetsRan ,range, false, bkg3, sigma3, meanarea3, true);
d6e66a82 1276 evBkg->SetBackground(2,bkg3,sigma3,meanarea3);
d7ca0e14 1277 // float areaRandomCone = rRandomCone2 *TMath::Pi();
1278 /*
82a35b1a 1279 fh1BiARandomCones[2]->Fill(ptRandomCone-(bkg3*areaRandomCone));
9c6bd749 1280 fh1BiARandomConesRan[2]->Fill(ptRandomConeRan-(bkg3*areaRandomCone));
d7ca0e14 1281 */
d6e66a82 1282 }
1283
1284
1285
dbf053f0 1286 }
0341d0d8 1287
1288
1289 // do the event selection if activated
1290 if(fJetTriggerPtCut>0){
1291 bool select = false;
2b018f7a 1292 Float_t minPt = fJetTriggerPtCut;
1293 /*
0341d0d8 1294 // hard coded for now ...
2b018f7a 1295 // 54.50 44.5 29.5 18.5 for anti-kt rejection 1E-3
0341d0d8 1296 if(cent<10)minPt = 50;
aae7993b 1297 else if(cent<30)minPt = 42;
0341d0d8 1298 else if(cent<50)minPt = 28;
1299 else if(cent<80)minPt = 18;
2b018f7a 1300 */
0341d0d8 1301 float rho = 0;
1302 if(externalBackground)rho = externalBackground->GetBackground(2);
2b018f7a 1303 if(jarray){
0341d0d8 1304 for(int i = 0;i < jarray->GetEntriesFast();i++){
1305 AliAODJet *jet = (AliAODJet*)jarray->At(i);
1306 Float_t ptSub = jet->Pt() - rho *jet->EffectiveAreaCharged();
1307 if(ptSub>=minPt){
1308 select = true;
1309 break;
1310 }
1311 }
1312 }
1313
1314 if(select){
1315 static AliAODHandler *aodH = dynamic_cast<AliAODHandler*>(AliAnalysisManager::GetAnalysisManager()->GetOutputEventHandler());
1316 fh1CentralitySelect->Fill(cent);
e2ca7519 1317 fh1ZSelect->Fill(zVtx);
0341d0d8 1318 aodH->SetFillAOD(kTRUE);
1319 }
1320 }
dbf053f0 1321
1322 if (fDebug > 10)Printf("%s:%d",(char*)__FILE__,__LINE__);
1323 PostData(1, fHistList);
1324}
1325
1326void AliAnalysisTaskJetCluster::Terminate(Option_t */*option*/)
1327{
1328// Terminate analysis
1329//
1330 if (fDebug > 1) printf("AnalysisJetCluster: Terminate() \n");
1331}
1332
1333
1334Int_t AliAnalysisTaskJetCluster::GetListOfTracks(TList *list,Int_t type){
1335
1336 if(fDebug>2)Printf("%s:%d Selecting tracks with %d",(char*)__FILE__,__LINE__,type);
1337
1338 Int_t iCount = 0;
1339 if(type==kTrackAOD){
1340 AliAODEvent *aod = 0;
1341 if(fUseAODTrackInput)aod = dynamic_cast<AliAODEvent*>(InputEvent());
1342 else aod = AODEvent();
1343 if(!aod){
1344 return iCount;
1345 }
1346 for(int it = 0;it < aod->GetNumberOfTracks();++it){
1347 AliAODTrack *tr = aod->GetTrack(it);
1348 if((fFilterMask>0)&&!(tr->TestFilterBit(fFilterMask)))continue;
1349 if(TMath::Abs(tr->Eta())>0.9)continue;
0341d0d8 1350 if(tr->Pt()<fTrackPtCut)continue;
dbf053f0 1351 list->Add(tr);
1352 iCount++;
1353 }
1354 }
1355 else if (type == kTrackKineAll||type == kTrackKineCharged){
1356 AliMCEvent* mcEvent = MCEvent();
1357 if(!mcEvent)return iCount;
1358 // we want to have alivpartilces so use get track
1359 for(int it = 0;it < mcEvent->GetNumberOfTracks();++it){
1360 if(!mcEvent->IsPhysicalPrimary(it))continue;
1361 AliMCParticle* part = (AliMCParticle*)mcEvent->GetTrack(it);
1362 if(type == kTrackKineAll){
0341d0d8 1363 if(part->Pt()<fTrackPtCut)continue;
dbf053f0 1364 list->Add(part);
1365 iCount++;
1366 }
1367 else if(type == kTrackKineCharged){
1368 if(part->Particle()->GetPDG()->Charge()==0)continue;
0341d0d8 1369 if(part->Pt()<fTrackPtCut)continue;
dbf053f0 1370 list->Add(part);
1371 iCount++;
1372 }
1373 }
1374 }
1375 else if (type == kTrackAODMCCharged || type == kTrackAODMCAll || type == kTrackAODMCChargedAcceptance) {
1376 AliAODEvent *aod = 0;
959508f4 1377 if(fUseAODMCInput)aod = dynamic_cast<AliAODEvent*>(InputEvent());
dbf053f0 1378 else aod = AODEvent();
1379 if(!aod)return iCount;
1380 TClonesArray *tca = dynamic_cast<TClonesArray*>(aod->FindListObject(AliAODMCParticle::StdBranchName()));
1381 if(!tca)return iCount;
1382 for(int it = 0;it < tca->GetEntriesFast();++it){
225f0094 1383 AliAODMCParticle *part = (AliAODMCParticle*)(tca->At(it));
dbf053f0 1384 if(!part->IsPhysicalPrimary())continue;
1385 if(type == kTrackAODMCAll){
0341d0d8 1386 if(part->Pt()<fTrackPtCut)continue;
dbf053f0 1387 list->Add(part);
1388 iCount++;
1389 }
1390 else if (type == kTrackAODMCCharged || type == kTrackAODMCChargedAcceptance ){
1391 if(part->Charge()==0)continue;
0341d0d8 1392 if(part->Pt()<fTrackPtCut)continue;
dbf053f0 1393 if(kTrackAODMCCharged){
1394 list->Add(part);
1395 }
1396 else {
1397 if(TMath::Abs(part->Eta())>0.9)continue;
1398 list->Add(part);
1399 }
1400 iCount++;
1401 }
1402 }
1403 }// AODMCparticle
1404 list->Sort();
1405 return iCount;
dbf053f0 1406}
1407
1408/*
1409Int_t AliAnalysisTaskJetCluster::AddParticlesFastJet(TList &particles,vector<fastjet::PseudoJet> &inputParticles){
1410 for(int i = 0; i < particles.GetEntries(); i++){
1411 AliVParticle *vp = (AliVParticle*)particles.At(i);
1412 // Carefull energy is not well determined in real data, should not matter for p_T scheme?
1413 fastjet::PseudoJet jInp(vp->Px(),vp->Py(),vp->Pz(),vp->E());
1414 jInp.set_user_index(i);
1415 inputParticles.push_back(jInp);
1416 }
1417
1418 return 0;
1419
1420}
1421*/