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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),
d7ca0e14 87 fNRandomCones(5),
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()));
667 }
dbf053f0 668 //
669 // Execute analysis for current event
670 //
671 AliESDEvent *fESD = 0;
672 if(fUseAODTrackInput){
673 fAOD = dynamic_cast<AliAODEvent*>(InputEvent());
674 if(!fAOD){
675 Printf("%s:%d AODEvent not found in Input Manager %d",(char*)__FILE__,__LINE__,fUseAODTrackInput);
676 return;
677 }
678 // fethc the header
679 }
680 else{
681 // assume that the AOD is in the general output...
682 fAOD = AODEvent();
683 if(!fAOD){
684 Printf("%s:%d AODEvent not found in the Output",(char*)__FILE__,__LINE__);
685 return;
686 }
687 if(fDebug>0){
688 fESD = dynamic_cast<AliESDEvent*> (InputEvent());
689 }
690 }
691
692 Bool_t selectEvent = false;
54424110 693 Bool_t physicsSelection = true;// handled by the framework(fInputHandler->IsEventSelected()&AliVEvent::kMB)==AliVEvent::kMB;
dbf053f0 694
aae7993b 695 Float_t cent = 0;
e2ca7519 696 Float_t zVtx = 0;
aae7993b 697 Int_t cenClass = -1;
dbf053f0 698 if(fAOD){
699 const AliAODVertex *vtxAOD = fAOD->GetPrimaryVertex();
54424110 700 TString vtxTitle(vtxAOD->GetTitle());
e2ca7519 701 zVtx = vtxAOD->GetZ();
702
aae7993b 703 cent = fAOD->GetHeader()->GetCentrality();
704 if(cent<10)cenClass = 0;
705 else if(cent<30)cenClass = 1;
706 else if(cent<50)cenClass = 2;
707 else if(cent<80)cenClass = 3;
e2ca7519 708 if(physicsSelection){
709 fh1CentralityPhySel->Fill(cent);
710 fh1ZPhySel->Fill(zVtx);
711 }
712
54424110 713
714 if(vtxAOD->GetNContributors()>2&&!vtxTitle.Contains("TPCVertex")){
dbf053f0 715 Float_t yvtx = vtxAOD->GetY();
716 Float_t xvtx = vtxAOD->GetX();
717 Float_t r2 = yvtx*yvtx+xvtx*xvtx;
e2ca7519 718 if(TMath::Abs(zVtx)<20.&&r2<1.){ // apply vertex cut later on
719 if(physicsSelection){
720 selectEvent = true;
721 }
dbf053f0 722 }
723 }
aae7993b 724 if(fCentCutUp>0){
725 if(cent<fCentCutLo||cent>fCentCutUp){
726 selectEvent = false;
727 }
728 }
729
dbf053f0 730 }
731 if(!selectEvent){
732 PostData(1, fHistList);
733 return;
734 }
aae7993b 735 fh1Centrality->Fill(cent);
e2ca7519 736 fh1Z->Fill(zVtx);
dbf053f0 737 fh1Trials->Fill("#sum{ntrials}",1);
738
739
740 if (fDebug > 10)Printf("%s:%d",(char*)__FILE__,__LINE__);
741
742 // ==== General variables needed
743
744
745
746 // we simply fetch the tracks/mc particles as a list of AliVParticles
747
748 TList recParticles;
749 TList genParticles;
750
751 Int_t nT = GetListOfTracks(&recParticles,fTrackTypeRec);
a0d08b6d 752 Float_t nCh = recParticles.GetEntries();
753 fh1Nch->Fill(nCh);
dbf053f0 754 if(fDebug>2)Printf("%s:%d Selected Rec tracks: %d %d",(char*)__FILE__,__LINE__,nT,recParticles.GetEntries());
755 nT = GetListOfTracks(&genParticles,fTrackTypeGen);
756 if(fDebug>2)Printf("%s:%d Selected Gen tracks: %d %d",(char*)__FILE__,__LINE__,nT,genParticles.GetEntries());
757
758 // find the jets....
759
760 vector<fastjet::PseudoJet> inputParticlesRec;
761 vector<fastjet::PseudoJet> inputParticlesRecRan;
82a35b1a 762
763
764 // create a random jet within the acceptance
82a35b1a 765
d7ca0e14 766 if(fUseBackgroundCalc){
767 Double_t etaMax = 0.9 - fRparam;
768 Int_t nCone = 0;
769 Int_t nConeRan = 0;
770 Double_t pT = 1; // small number
771 for(int ir = 0;ir < fNRandomCones;ir++){
772 Double_t eta = etaMax*2.*(fRandom->Rndm()-0.5); // +- etamax
773 Double_t phi = fRandom->Rndm()*2.*TMath::Pi(); // 0 - 2pi
774 // massless jet
775 Double_t theta = 2.*TMath::ATan(TMath::Exp(-eta));
776 Double_t pZ = pT/TMath::Tan(theta);
777 Double_t pX = pT * TMath::Cos(phi);
778 Double_t pY = pT * TMath::Sin(phi);
779 Double_t p = TMath::Sqrt(pT*pT+pZ*pZ);
780 AliAODJet tmpRec (pX,pY,pZ, p);
781 tmpRec.SetBgEnergy(0,0); // this is use as temporary storage of the summed p_T below
782 if(rConeArrayRan)new ((*rConeArrayRan)[nConeRan++]) AliAODJet(tmpRec);
783 if(rConeArray)new ((*rConeArray)[nCone++]) AliAODJet(tmpRec);
784 }
785 }
786
787
788 // Generate the random cones
789
790 AliAODJet vTmpRan(1,0,0,1);
dbf053f0 791 for(int i = 0; i < recParticles.GetEntries(); i++){
792 AliVParticle *vp = (AliVParticle*)recParticles.At(i);
793 // Carefull energy is not well determined in real data, should not matter for p_T scheme?
d7ca0e14 794 // we take total momentum here
dbf053f0 795 fastjet::PseudoJet jInp(vp->Px(),vp->Py(),vp->Pz(),vp->P());
796 jInp.set_user_index(i);
797 inputParticlesRec.push_back(jInp);
798
d7ca0e14 799 if(fUseBackgroundCalc&&rConeArray){
800 for(int ir = 0;ir < fNRandomCones;ir++){
801 AliAODJet *jC = (AliAODJet*)rConeArray->At(ir);
802 if(jC&&jC->DeltaR(vp)<fRparam){
803 jC->SetBgEnergy(jC->ChargedBgEnergy()+vp->Pt(),0);
804 }
805 }
82a35b1a 806 }
807
dbf053f0 808 // the randomized input changes eta and phi, but keeps the p_T
bd80a748 809 if(i>=fNSkipLeadingRan){// eventually skip the leading particles
810 Double_t pT = vp->Pt();
d7ca0e14 811 Double_t eta = 1.8 * fRandom->Rndm() - 0.9;
812 Double_t phi = 2.* TMath::Pi() * fRandom->Rndm();
bd80a748 813
d7ca0e14 814 Double_t theta = 2.*TMath::ATan(TMath::Exp(-eta));
bd80a748 815 Double_t pZ = pT/TMath::Tan(theta);
816
817 Double_t pX = pT * TMath::Cos(phi);
818 Double_t pY = pT * TMath::Sin(phi);
819 Double_t p = TMath::Sqrt(pT*pT+pZ*pZ);
820 fastjet::PseudoJet jInpRan(pX,pY,pZ,p);
d7ca0e14 821
bd80a748 822 jInpRan.set_user_index(i);
823 inputParticlesRecRan.push_back(jInpRan);
d7ca0e14 824 vTmpRan.SetPxPyPzE(pX,pY,pZ,p);
82a35b1a 825
d7ca0e14 826 if(fUseBackgroundCalc&&rConeArrayRan){
827 for(int ir = 0;ir < fNRandomCones;ir++){
828 AliAODJet *jC = (AliAODJet*)rConeArrayRan->At(ir);
829 if(jC&&jC->DeltaR(&vTmpRan)<fRparam){
830 jC->SetBgEnergy(jC->ChargedBgEnergy()+vTmpRan.Pt(),0);
831 }
832 }
82a35b1a 833 }
bd80a748 834 }
54424110 835
836 // fill the tref array, only needed when we write out jets
837 if(jarray){
838 if(i == 0){
839 fRef->Delete(); // make sure to delete before placement new...
840 new(fRef) TRefArray(TProcessID::GetProcessWithUID(vp));
841 }
842 fRef->Add(vp);
843 }
d7ca0e14 844 }// recparticles
845 if(fUseBackgroundCalc){
0341d0d8 846 Float_t jetArea = fRparam*fRparam*TMath::Pi();
d7ca0e14 847 for(int ir = 0;ir < fNRandomCones;ir++){
848 // rescale the momntum vectors for the random cones
849 if(!rConeArray)continue;
850 AliAODJet *rC = (AliAODJet*)rConeArray->At(ir);
851 if(rC){
852 Double_t eta = rC->Eta();
853 Double_t phi = rC->Phi();
854 // massless jet, unit vector
855 Double_t pT = rC->ChargedBgEnergy();
856 if(pT<=0)pT = 0.1; // for almost empty events
857 Double_t theta = 2.*TMath::ATan(TMath::Exp(-eta));
858 Double_t pZ = pT/TMath::Tan(theta);
859 Double_t pX = pT * TMath::Cos(phi);
860 Double_t pY = pT * TMath::Sin(phi);
861 Double_t p = TMath::Sqrt(pT*pT+pZ*pZ);
862 rC->SetPxPyPzE(pX,pY,pZ, p);
863 rC->SetBgEnergy(0,0);
0341d0d8 864 rC->SetEffArea(jetArea,0);
d7ca0e14 865 }
866 rC = (AliAODJet*)rConeArrayRan->At(ir);
867 // same wit random
868 if(rC){
869 Double_t eta = rC->Eta();
870 Double_t phi = rC->Phi();
871 // massless jet, unit vector
872 Double_t pT = rC->ChargedBgEnergy();
873 if(pT<=0)pT = 0.1;// for almost empty events
874 Double_t theta = 2.*TMath::ATan(TMath::Exp(-eta));
875 Double_t pZ = pT/TMath::Tan(theta);
876 Double_t pX = pT * TMath::Cos(phi);
877 Double_t pY = pT * TMath::Sin(phi);
878 Double_t p = TMath::Sqrt(pT*pT+pZ*pZ);
879 rC->SetPxPyPzE(pX,pY,pZ, p);
880 rC->SetBgEnergy(0,0);
0341d0d8 881 rC->SetEffArea(jetArea,0);
d7ca0e14 882 }
883 }
dbf053f0 884 }
885
d7ca0e14 886
dbf053f0 887 if(inputParticlesRec.size()==0){
888 if(fDebug)Printf("%s:%d No input particles found, skipping event",(char*)__FILE__,__LINE__);
889 PostData(1, fHistList);
890 return;
891 }
892
893 // run fast jet
4dd6159d 894 // employ setters for these...
895
d6e66a82 896
9fd9f55b 897 // now create the object that holds info about ghosts
898 if(!fUseBackgroundCalc&& fNonStdBranch.Length()==0){
899 // reduce CPU time...
900 fGhostArea = 0.5;
901 fActiveAreaRepeats = 0;
902 }
d7ca0e14 903
904 fastjet::GhostedAreaSpec ghostSpec(fGhostEtamax, fActiveAreaRepeats, fGhostArea);
4dd6159d 905 fastjet::AreaType areaType = fastjet::active_area;
906 fastjet::AreaDefinition areaDef = fastjet::AreaDefinition(areaType,ghostSpec);
82a35b1a 907 fastjet::JetDefinition jetDef(fAlgorithm, fRparam, fRecombScheme, fStrategy);
dbf053f0 908 vector <fastjet::PseudoJet> inclusiveJets, sortedJets;
4dd6159d 909 fastjet::ClusterSequenceArea clustSeq(inputParticlesRec, jetDef,areaDef);
dbf053f0 910
d6e66a82 911 //range where to compute background
912 Double_t phiMin = 0, phiMax = 0, rapMin = 0, rapMax = 0;
913 phiMin = 0;
914 phiMax = 2*TMath::Pi();
915 rapMax = fGhostEtamax - fRparam;
916 rapMin = - fGhostEtamax + fRparam;
917 fastjet::RangeDefinition range(rapMin,rapMax, phiMin, phiMax);
918
919
920
dbf053f0 921 inclusiveJets = clustSeq.inclusive_jets();
922 sortedJets = sorted_by_pt(inclusiveJets);
923
dbf053f0 924 fh1NJetsRec->Fill(sortedJets.size());
925
926 // loop over all jets an fill information, first on is the leading jet
927
54424110 928 Int_t nRecOver = inclusiveJets.size();
929 Int_t nRec = inclusiveJets.size();
930 if(inclusiveJets.size()>0){
931 AliAODJet leadingJet (sortedJets[0].px(), sortedJets[0].py(), sortedJets[0].pz(), sortedJets[0].E());
aae7993b 932 Double_t area = clustSeq.area(sortedJets[0]);
0341d0d8 933 leadingJet.SetEffArea(area,0);
dbf053f0 934 Float_t pt = leadingJet.Pt();
54424110 935 Int_t nAodOutJets = 0;
936 Int_t nAodOutTracks = 0;
937 AliAODJet *aodOutJet = 0;
dbf053f0 938
939 Int_t iCount = 0;
940 for(int i = 1;i <= fh2NRecJetsPt->GetNbinsX();i++){
941 Float_t ptCut = fh2NRecJetsPt->GetXaxis()->GetBinCenter(i);
942 while(pt<ptCut&&iCount<nRec){
943 nRecOver--;
944 iCount++;
945 if(iCount<nRec){
946 pt = sortedJets[iCount].perp();
947 }
948 }
949 if(nRecOver<=0)break;
950 fh2NRecJetsPt->Fill(ptCut,nRecOver);
951 }
952 Float_t phi = leadingJet.Phi();
953 if(phi<0)phi+=TMath::Pi()*2.;
954 Float_t eta = leadingJet.Eta();
0341d0d8 955 Float_t pTback = 0;
956 if(externalBackground){
957 // carefull has to be filled in a task before
958 // todo, ReArrange to the botom
959 pTback = externalBackground->GetBackground(2)*leadingJet.EffectiveAreaCharged();
960 }
961 pt = leadingJet.Pt() - pTback;
dbf053f0 962 // correlation of leading jet with tracks
963 TIterator *recIter = recParticles.MakeIterator();
dbf053f0 964 recIter->Reset();
225f0094 965 AliVParticle *tmpRecTrack = 0;
dbf053f0 966 while((tmpRecTrack = (AliVParticle*)(recIter->Next()))){
967 Float_t tmpPt = tmpRecTrack->Pt();
968 // correlation
969 Float_t tmpPhi = tmpRecTrack->Phi();
970 if(tmpPhi<0)tmpPhi+=TMath::Pi()*2.;
971 Float_t dPhi = phi - tmpPhi;
972 if(dPhi>TMath::Pi())dPhi = dPhi - 2.*TMath::Pi();
973 if(dPhi<(-1.*TMath::Pi()))dPhi = dPhi + 2.*TMath::Pi();
dbf053f0 974 fh2TracksLeadingJetPhiPt->Fill(dPhi,pt);
975 fh2TracksLeadingJetPhiPtW->Fill(dPhi,pt,tmpPt);
aae7993b 976 if(cenClass>=0){
977 fh2TracksLeadingJetPhiPtC[cenClass]->Fill(dPhi,pt);
978 fh2TracksLeadingJetPhiPtWC[cenClass]->Fill(dPhi,pt,tmpPt);
979 }
980
54424110 981 }
982
983
984
985 for(int j = 0; j < nRec;j++){
986 AliAODJet tmpRec (sortedJets[j].px(), sortedJets[j].py(), sortedJets[j].pz(), sortedJets[j].E());
987 aodOutJet = 0;
988 nAodOutTracks = 0;
989 Float_t tmpPt = tmpRec.Pt();
2b018f7a 990 Float_t tmpPtBack = 0;
991 if(externalBackground){
992 // carefull has to be filled in a task before
993 // todo, ReArrange to the botom
994 tmpPtBack = externalBackground->GetBackground(2)*tmpRec.EffectiveAreaCharged();
995 }
996 tmpPt = tmpPt - tmpPtBack;
997 if(tmpPt<0)tmpPt = 0; // avoid negative weights...
998
54424110 999 fh1PtJetsRecIn->Fill(tmpPt);
1000 // Fill Spectra with constituents
1001 vector<fastjet::PseudoJet> constituents = clustSeq.constituents(sortedJets[j]);
1002 fh1NConstRec->Fill(constituents.size());
1003 fh2PtNch->Fill(nCh,tmpPt);
1004 fh2PtNchN->Fill(nCh,tmpPt,constituents.size());
1005 fh2NConstPt->Fill(tmpPt,constituents.size());
1006 // loop over constiutents and fill spectrum
1007
1008 // Add the jet information and the track references to the output AOD
1009
1010 if(tmpPt>fJetOutputMinPt&&jarray){
1011 aodOutJet = new ((*jarray)[nAodOutJets++]) AliAODJet(tmpRec);
aae7993b 1012 Double_t area1 = clustSeq.area(sortedJets[j]);
1013 aodOutJet->SetEffArea(area1,0);
54424110 1014 }
1015
1016
1017 for(unsigned int ic = 0; ic < constituents.size();ic++){
1018 AliVParticle *part = (AliVParticle*)recParticles.At(constituents[ic].user_index());
1019 fh1PtJetConstRec->Fill(part->Pt());
1020 if(aodOutJet){
1021 aodOutJet->AddTrack(fRef->At(constituents[ic].user_index()));
1022 }
1023 if(j==0)fh1PtJetConstLeadingRec->Fill(part->Pt());
1024 }
54424110 1025
1026 // correlation
1027 Float_t tmpPhi = tmpRec.Phi();
1028 Float_t tmpEta = tmpRec.Eta();
1029 if(tmpPhi<0)tmpPhi+=TMath::Pi()*2.;
1030
2b018f7a 1031
0341d0d8 1032
54424110 1033 if(j==0){
1034 fh1PtJetsLeadingRecIn->Fill(tmpPt);
1035 fh2LeadingJetPhiEta->Fill(tmpPhi,tmpEta);
1036 fh2LeadingJetEtaPt->Fill(tmpEta,tmpPt);
1037 fh1NConstLeadingRec->Fill(constituents.size());
1038 fh2NConstLeadingPt->Fill(tmpPt,constituents.size());
1039 continue;
1040 }
1041 fh2JetPhiEta->Fill(tmpRec.Phi(),tmpEta);
1042 fh2JetEtaPt->Fill(tmpEta,tmpPt);
1043 Float_t dPhi = phi - tmpPhi;
1044 if(dPhi>TMath::Pi())dPhi = dPhi - 2.*TMath::Pi();
1045 if(dPhi<(-1.*TMath::Pi()))dPhi = dPhi + 2.*TMath::Pi();
1046 Float_t dEta = eta - tmpRec.Eta();
1047 fh2JetsLeadingPhiEta->Fill(dPhi,dEta);
1048 fh2JetsLeadingPhiPt->Fill(dPhi,pt);
aae7993b 1049 if(cenClass>=0){
1050 fh2JetsLeadingPhiPtC[cenClass]->Fill(dPhi,pt);
1051 fh2JetsLeadingPhiPtWC[cenClass]->Fill(dPhi,pt,tmpPt);
1052 }
54424110 1053 fh2JetsLeadingPhiPtW->Fill(dPhi,pt,tmpPt);
1054 }
1055 delete recIter;
d7ca0e14 1056
1057 //background estimates:all bckg jets(0) & wo the 2 hardest(1)
d6e66a82 1058
1059 if(evBkg){
1060 vector<fastjet::PseudoJet> jets2=sortedJets;
1061 if(jets2.size()>2) jets2.erase(jets2.begin(),jets2.begin()+2);
1062 Double_t bkg1=0;
1063 Double_t sigma1=0.;
1064 Double_t meanarea1=0.;
1065 Double_t bkg2=0;
1066 Double_t sigma2=0.;
1067 Double_t meanarea2=0.;
82a35b1a 1068
4a33f620 1069 clustSeq.get_median_rho_and_sigma(sortedJets, range, false, bkg1, sigma1, meanarea1, true);
d6e66a82 1070 evBkg->SetBackground(0,bkg1,sigma1,meanarea1);
f974a156 1071
1072 // fh1BiARandomCones[0]->Fill(omCone-(bkg1*areaRandomCone));
1073 // fh1BiARandomConesRan[0]->Fill(ptRandomConeRan-(bkg1*areaRandomCone));
82a35b1a 1074
4a33f620 1075 clustSeq.get_median_rho_and_sigma(jets2, range, false, bkg2, sigma2, meanarea2, true);
d6e66a82 1076 evBkg->SetBackground(1,bkg2,sigma2,meanarea2);
f974a156 1077 // fh1BiARandomCones[1]->Fill(ptRandomCone-(bkg2*areaRandomCone));
1078 // fh1BiARandomConesRan[1]->Fill(ptRandomConeRan-(bkg2*areaRandomCone));
1079
d6e66a82 1080 }
54424110 1081 }
d7ca0e14 1082
82a35b1a 1083
1084
1085
dbf053f0 1086
82a35b1a 1087 // fill track information
1088 Int_t nTrackOver = recParticles.GetSize();
dbf053f0 1089 // do the same for tracks and jets
82a35b1a 1090
1091 if(nTrackOver>0){
dbf053f0 1092 TIterator *recIter = recParticles.MakeIterator();
1093 AliVParticle *tmpRec = (AliVParticle*)(recIter->Next());
1094 Float_t pt = tmpRec->Pt();
82a35b1a 1095
dbf053f0 1096 // Printf("Leading track p_t %3.3E",pt);
1097 for(int i = 1;i <= fh2NRecTracksPt->GetNbinsX();i++){
1098 Float_t ptCut = fh2NRecTracksPt->GetXaxis()->GetBinCenter(i);
1099 while(pt<ptCut&&tmpRec){
1100 nTrackOver--;
1101 tmpRec = (AliVParticle*)(recIter->Next());
1102 if(tmpRec){
1103 pt = tmpRec->Pt();
1104 }
1105 }
1106 if(nTrackOver<=0)break;
1107 fh2NRecTracksPt->Fill(ptCut,nTrackOver);
1108 }
1109
1110 recIter->Reset();
1111 AliVParticle *leading = (AliVParticle*)recParticles.At(0);
1112 Float_t phi = leading->Phi();
1113 if(phi<0)phi+=TMath::Pi()*2.;
1114 Float_t eta = leading->Eta();
1115 pt = leading->Pt();
1116 while((tmpRec = (AliVParticle*)(recIter->Next()))){
1117 Float_t tmpPt = tmpRec->Pt();
1118 Float_t tmpEta = tmpRec->Eta();
1119 fh1PtTracksRecIn->Fill(tmpPt);
1120 fh2TrackEtaPt->Fill(tmpEta,tmpPt);
1121 if(tmpRec==leading){
1122 fh1PtTracksLeadingRecIn->Fill(tmpPt);
1123 fh2LeadingTrackEtaPt->Fill(tmpEta,tmpPt);
1124 continue;
1125 }
1126 // correlation
1127 Float_t tmpPhi = tmpRec->Phi();
1128
1129 if(tmpPhi<0)tmpPhi+=TMath::Pi()*2.;
1130 Float_t dPhi = phi - tmpPhi;
1131 if(dPhi>TMath::Pi())dPhi = dPhi - 2.*TMath::Pi();
1132 if(dPhi<(-1.*TMath::Pi()))dPhi = dPhi + 2.*TMath::Pi();
1133 Float_t dEta = eta - tmpRec->Eta();
1134 fh2TracksLeadingPhiEta->Fill(dPhi,dEta);
1135 fh2TracksLeadingPhiPt->Fill(dPhi,pt);
1136 fh2TracksLeadingPhiPtW->Fill(dPhi,pt,tmpPt);
1137 }
1138 delete recIter;
1139 }
1140
1141 // find the random jets
1142 vector <fastjet::PseudoJet> inclusiveJetsRan, sortedJetsRan;
d6e66a82 1143 fastjet::ClusterSequenceArea clustSeqRan(inputParticlesRecRan, jetDef, areaDef);
dbf053f0 1144
1145 inclusiveJetsRan = clustSeqRan.inclusive_jets();
1146 sortedJetsRan = sorted_by_pt(inclusiveJetsRan);
1147
1148 // fill the jet information from random track
1149
1150 fh1NJetsRecRan->Fill(sortedJetsRan.size());
1151
1152 // loop over all jets an fill information, first on is the leading jet
1153
1154 Int_t nRecOverRan = inclusiveJetsRan.size();
1155 Int_t nRecRan = inclusiveJetsRan.size();
1156 if(inclusiveJetsRan.size()>0){
1157 AliAODJet leadingJet (sortedJetsRan[0].px(), sortedJetsRan[0].py(), sortedJetsRan[0].pz(), sortedJetsRan[0].E());
1158 Float_t pt = leadingJet.Pt();
1159
1160 Int_t iCount = 0;
1161 for(int i = 1;i <= fh2NRecJetsPtRan->GetNbinsX();i++){
1162 Float_t ptCut = fh2NRecJetsPtRan->GetXaxis()->GetBinCenter(i);
1163 while(pt<ptCut&&iCount<nRecRan){
1164 nRecOverRan--;
1165 iCount++;
1166 if(iCount<nRecRan){
1167 pt = sortedJetsRan[iCount].perp();
1168 }
1169 }
1170 if(nRecOverRan<=0)break;
1171 fh2NRecJetsPtRan->Fill(ptCut,nRecOverRan);
1172 }
1173 Float_t phi = leadingJet.Phi();
1174 if(phi<0)phi+=TMath::Pi()*2.;
1175 pt = leadingJet.Pt();
1176
1177 // correlation of leading jet with random tracks
1178
1179 for(unsigned int ip = 0; ip < inputParticlesRecRan.size();ip++)
1180 {
1181 Float_t tmpPt = inputParticlesRecRan[ip].perp();
1182 // correlation
1183 Float_t tmpPhi = inputParticlesRecRan[ip].phi();
1184 if(tmpPhi<0)tmpPhi+=TMath::Pi()*2.;
1185 Float_t dPhi = phi - tmpPhi;
1186 if(dPhi>TMath::Pi())dPhi = dPhi - 2.*TMath::Pi();
1187 if(dPhi<(-1.*TMath::Pi()))dPhi = dPhi + 2.*TMath::Pi();
dbf053f0 1188 fh2TracksLeadingJetPhiPtRan->Fill(dPhi,pt);
1189 fh2TracksLeadingJetPhiPtWRan->Fill(dPhi,pt,tmpPt);
1190 }
1191
d6e66a82 1192 Int_t nAodOutJetsRan = 0;
1193 AliAODJet *aodOutJetRan = 0;
dbf053f0 1194 for(int j = 0; j < nRecRan;j++){
1195 AliAODJet tmpRec (sortedJetsRan[j].px(), sortedJetsRan[j].py(), sortedJetsRan[j].pz(), sortedJetsRan[j].E());
1196 Float_t tmpPt = tmpRec.Pt();
1197 fh1PtJetsRecInRan->Fill(tmpPt);
1198 // Fill Spectra with constituents
1199 vector<fastjet::PseudoJet> constituents = clustSeqRan.constituents(sortedJetsRan[j]);
1200 fh1NConstRecRan->Fill(constituents.size());
1201 fh2NConstPtRan->Fill(tmpPt,constituents.size());
a0d08b6d 1202 fh2PtNchRan->Fill(nCh,tmpPt);
1203 fh2PtNchNRan->Fill(nCh,tmpPt,constituents.size());
d6e66a82 1204
1205
1206 if(tmpPt>fJetOutputMinPt&&jarrayran){
1207 aodOutJetRan = new ((*jarrayran)[nAodOutJetsRan++]) AliAODJet(tmpRec);
1208 Double_t arearan=clustSeqRan.area(sortedJetsRan[j]);
1209
1210 aodOutJetRan->SetEffArea(arearan,0); }
1211
1212
1213
1214
1215 for(unsigned int ic = 0; ic < constituents.size();ic++){
1216 // AliVParticle *part = (AliVParticle*)recParticles.At(constituents[ic].user_index());
1217 // fh1PtJetConstRec->Fill(part->Pt());
1218 if(aodOutJetRan){
1219 aodOutJetRan->AddTrack(fRef->At(constituents[ic].user_index()));
d7ca0e14 1220 }
1221 }
d6e66a82 1222
1223
1224
1225
dbf053f0 1226 // correlation
1227 Float_t tmpPhi = tmpRec.Phi();
1228 if(tmpPhi<0)tmpPhi+=TMath::Pi()*2.;
1229
1230 if(j==0){
1231 fh1PtJetsLeadingRecInRan->Fill(tmpPt);
1232 fh1NConstLeadingRecRan->Fill(constituents.size());
1233 fh2NConstLeadingPtRan->Fill(tmpPt,constituents.size());
1234 continue;
1235 }
1236 }
d6e66a82 1237
1238
1239 if(evBkg){
1240 Double_t bkg3=0.;
1241 Double_t sigma3=0.;
1242 Double_t meanarea3=0.;
4a33f620 1243 clustSeqRan.get_median_rho_and_sigma(sortedJetsRan ,range, false, bkg3, sigma3, meanarea3, true);
d6e66a82 1244 evBkg->SetBackground(2,bkg3,sigma3,meanarea3);
d7ca0e14 1245 // float areaRandomCone = rRandomCone2 *TMath::Pi();
1246 /*
82a35b1a 1247 fh1BiARandomCones[2]->Fill(ptRandomCone-(bkg3*areaRandomCone));
9c6bd749 1248 fh1BiARandomConesRan[2]->Fill(ptRandomConeRan-(bkg3*areaRandomCone));
d7ca0e14 1249 */
d6e66a82 1250 }
1251
1252
1253
dbf053f0 1254 }
0341d0d8 1255
1256
1257 // do the event selection if activated
1258 if(fJetTriggerPtCut>0){
1259 bool select = false;
2b018f7a 1260 Float_t minPt = fJetTriggerPtCut;
1261 /*
0341d0d8 1262 // hard coded for now ...
2b018f7a 1263 // 54.50 44.5 29.5 18.5 for anti-kt rejection 1E-3
0341d0d8 1264 if(cent<10)minPt = 50;
aae7993b 1265 else if(cent<30)minPt = 42;
0341d0d8 1266 else if(cent<50)minPt = 28;
1267 else if(cent<80)minPt = 18;
2b018f7a 1268 */
0341d0d8 1269 float rho = 0;
1270 if(externalBackground)rho = externalBackground->GetBackground(2);
2b018f7a 1271 if(jarray){
0341d0d8 1272 for(int i = 0;i < jarray->GetEntriesFast();i++){
1273 AliAODJet *jet = (AliAODJet*)jarray->At(i);
1274 Float_t ptSub = jet->Pt() - rho *jet->EffectiveAreaCharged();
1275 if(ptSub>=minPt){
1276 select = true;
1277 break;
1278 }
1279 }
1280 }
1281
1282 if(select){
1283 static AliAODHandler *aodH = dynamic_cast<AliAODHandler*>(AliAnalysisManager::GetAnalysisManager()->GetOutputEventHandler());
1284 fh1CentralitySelect->Fill(cent);
e2ca7519 1285 fh1ZSelect->Fill(zVtx);
0341d0d8 1286 aodH->SetFillAOD(kTRUE);
1287 }
1288 }
dbf053f0 1289
1290 if (fDebug > 10)Printf("%s:%d",(char*)__FILE__,__LINE__);
1291 PostData(1, fHistList);
1292}
1293
1294void AliAnalysisTaskJetCluster::Terminate(Option_t */*option*/)
1295{
1296// Terminate analysis
1297//
1298 if (fDebug > 1) printf("AnalysisJetCluster: Terminate() \n");
1299}
1300
1301
1302Int_t AliAnalysisTaskJetCluster::GetListOfTracks(TList *list,Int_t type){
1303
1304 if(fDebug>2)Printf("%s:%d Selecting tracks with %d",(char*)__FILE__,__LINE__,type);
1305
1306 Int_t iCount = 0;
1307 if(type==kTrackAOD){
1308 AliAODEvent *aod = 0;
1309 if(fUseAODTrackInput)aod = dynamic_cast<AliAODEvent*>(InputEvent());
1310 else aod = AODEvent();
1311 if(!aod){
1312 return iCount;
1313 }
1314 for(int it = 0;it < aod->GetNumberOfTracks();++it){
1315 AliAODTrack *tr = aod->GetTrack(it);
1316 if((fFilterMask>0)&&!(tr->TestFilterBit(fFilterMask)))continue;
1317 if(TMath::Abs(tr->Eta())>0.9)continue;
0341d0d8 1318 if(tr->Pt()<fTrackPtCut)continue;
dbf053f0 1319 list->Add(tr);
1320 iCount++;
1321 }
1322 }
1323 else if (type == kTrackKineAll||type == kTrackKineCharged){
1324 AliMCEvent* mcEvent = MCEvent();
1325 if(!mcEvent)return iCount;
1326 // we want to have alivpartilces so use get track
1327 for(int it = 0;it < mcEvent->GetNumberOfTracks();++it){
1328 if(!mcEvent->IsPhysicalPrimary(it))continue;
1329 AliMCParticle* part = (AliMCParticle*)mcEvent->GetTrack(it);
1330 if(type == kTrackKineAll){
0341d0d8 1331 if(part->Pt()<fTrackPtCut)continue;
dbf053f0 1332 list->Add(part);
1333 iCount++;
1334 }
1335 else if(type == kTrackKineCharged){
1336 if(part->Particle()->GetPDG()->Charge()==0)continue;
0341d0d8 1337 if(part->Pt()<fTrackPtCut)continue;
dbf053f0 1338 list->Add(part);
1339 iCount++;
1340 }
1341 }
1342 }
1343 else if (type == kTrackAODMCCharged || type == kTrackAODMCAll || type == kTrackAODMCChargedAcceptance) {
1344 AliAODEvent *aod = 0;
959508f4 1345 if(fUseAODMCInput)aod = dynamic_cast<AliAODEvent*>(InputEvent());
dbf053f0 1346 else aod = AODEvent();
1347 if(!aod)return iCount;
1348 TClonesArray *tca = dynamic_cast<TClonesArray*>(aod->FindListObject(AliAODMCParticle::StdBranchName()));
1349 if(!tca)return iCount;
1350 for(int it = 0;it < tca->GetEntriesFast();++it){
225f0094 1351 AliAODMCParticle *part = (AliAODMCParticle*)(tca->At(it));
dbf053f0 1352 if(!part->IsPhysicalPrimary())continue;
1353 if(type == kTrackAODMCAll){
0341d0d8 1354 if(part->Pt()<fTrackPtCut)continue;
dbf053f0 1355 list->Add(part);
1356 iCount++;
1357 }
1358 else if (type == kTrackAODMCCharged || type == kTrackAODMCChargedAcceptance ){
1359 if(part->Charge()==0)continue;
0341d0d8 1360 if(part->Pt()<fTrackPtCut)continue;
dbf053f0 1361 if(kTrackAODMCCharged){
1362 list->Add(part);
1363 }
1364 else {
1365 if(TMath::Abs(part->Eta())>0.9)continue;
1366 list->Add(part);
1367 }
1368 iCount++;
1369 }
1370 }
1371 }// AODMCparticle
1372 list->Sort();
1373 return iCount;
dbf053f0 1374}
1375
1376/*
1377Int_t AliAnalysisTaskJetCluster::AddParticlesFastJet(TList &particles,vector<fastjet::PseudoJet> &inputParticles){
1378 for(int i = 0; i < particles.GetEntries(); i++){
1379 AliVParticle *vp = (AliVParticle*)particles.At(i);
1380 // Carefull energy is not well determined in real data, should not matter for p_T scheme?
1381 fastjet::PseudoJet jInp(vp->Px(),vp->Py(),vp->Pz(),vp->E());
1382 jInp.set_user_index(i);
1383 inputParticles.push_back(jInp);
1384 }
1385
1386 return 0;
1387
1388}
1389*/