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f3050824 | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
7 | * Permission to use, copy, modify and distribute this software and its * | |
8 | * documentation strictly for non-commercial purposes is hereby granted * | |
9 | * without fee, provided that the above copyright notice appears in all * | |
10 | * copies and that both the copyright notice and this permission notice * | |
11 | * appear in the supporting documentation. The authors make no claims * | |
12 | * about the suitability of this software for any purpose. It is * | |
13 | * provided "as is" without express or implied warranty. * | |
14 | **************************************************************************/ | |
15 | ||
16 | /* $Id:$ */ | |
6ef5bfa4 | 17 | |
f3050824 | 18 | #include <TROOT.h> |
19 | #include <TSystem.h> | |
20 | #include <TChain.h> | |
21 | #include <TFile.h> | |
22 | #include <TList.h> | |
23 | #include <TH1I.h> | |
24 | #include <TH1F.h> | |
25 | #include <TH2F.h> | |
623ed0a0 | 26 | #include <TProfile.h> |
f3050824 | 27 | #include <TCanvas.h> |
28 | #include <TVector3.h> | |
29 | #include <TLorentzVector.h> | |
30 | #include <TMath.h> | |
6ef5bfa4 | 31 | #include <TTree.h> |
32 | #include <TBranch.h> | |
623ed0a0 | 33 | #include <TRandom.h> |
f3050824 | 34 | |
35 | #include "AliAnalysisTaskUE.h" | |
36 | #include "AliAnalysisManager.h" | |
37 | #include "AliMCEventHandler.h" | |
623ed0a0 | 38 | #include "AliMCEvent.h" |
f3050824 | 39 | #include "AliAODEvent.h" |
40 | #include "AliAODInputHandler.h" | |
41 | #include "AliAODHandler.h" | |
42 | #include "AliStack.h" | |
43 | #include "AliAODJet.h" | |
44 | #include "AliAODTrack.h" | |
623ed0a0 | 45 | #include "AliAODMCParticle.h" |
1c796df8 | 46 | #include "AliKFVertex.h" |
f3050824 | 47 | |
623ed0a0 | 48 | #include "AliGenPythiaEventHeader.h" |
49 | #include "AliAnalysisHelperJetTasks.h" | |
216601f0 | 50 | #include "AliInputEventHandler.h" |
623ed0a0 | 51 | #include "AliStack.h" |
f3050824 | 52 | #include "AliLog.h" |
53 | ||
54 | // | |
55 | // Analysis class for Underlying Event studies | |
56 | // | |
57 | // Look for correlations on the tranverse regions to | |
58 | // the leading charged jet | |
59 | // | |
60 | // This class needs as input AOD with track and Jets | |
61 | // the output is a list of histograms | |
62 | // | |
63 | // AOD can be either connected to the InputEventHandler | |
64 | // for a chain of AOD files | |
65 | // or | |
66 | // to the OutputEventHandler | |
67 | // for a chain of ESD files, so this case class should be | |
68 | // in the train after the Jet finder | |
69 | // | |
70 | // Arian.Abrahantes.Quintana@cern.ch | |
71 | // Ernesto.Lopez.Torres@cern.ch | |
72 | // | |
73 | ||
74 | ||
75 | ClassImp( AliAnalysisTaskUE) | |
76 | ||
77 | //////////////////////////////////////////////////////////////////////// | |
78 | ||
79 | ||
80 | //____________________________________________________________________ | |
81 | AliAnalysisTaskUE:: AliAnalysisTaskUE(const char* name): | |
6ef5bfa4 | 82 | AliAnalysisTask(name, ""), |
7fa8b2da | 83 | fTrigger(0), |
6b7d2b7e | 84 | fDebug(0), |
c4396fd4 | 85 | fDeltaAOD(kFALSE), |
86 | fDeltaAODBranch(""), | |
e1060f2b | 87 | fAODBranch("jets"), |
6b7d2b7e | 88 | fArrayJets(0x0), |
6ef5bfa4 | 89 | fAOD(0x0), |
90 | fAODjets(0x0), | |
91 | fListOfHistos(0x0), | |
92 | fBinsPtInHist(30), | |
93 | fMinJetPtInHist(0.), | |
94 | fMaxJetPtInHist(300.), | |
623ed0a0 | 95 | fUseMCParticleBranch(kFALSE), |
96 | fConstrainDistance(kTRUE), | |
97 | fMinDistance(0.2), | |
98 | fSimulateChJetPt(kFALSE), | |
99 | fUseAliStack(kTRUE), | |
6ef5bfa4 | 100 | fAnaType(1), |
101 | fRegionType(1), | |
102 | fConeRadius(0.7), | |
623ed0a0 | 103 | fConePosition(1), |
6ef5bfa4 | 104 | fAreaReg(1.5393), // Pi*0.7*0.7 |
105 | fUseChPartJet(kFALSE), | |
9d9a3c85 | 106 | fUseChargeHadrons(kFALSE), |
6ef5bfa4 | 107 | fUseSingleCharge(kFALSE), |
108 | fUsePositiveCharge(kTRUE), | |
109 | fOrdering(1), | |
110 | fFilterBit(0xFF), | |
111 | fJetsOnFly(kFALSE), | |
623ed0a0 | 112 | fChJetPtMin(5.0), |
6ef5bfa4 | 113 | fJet1EtaCut(0.2), |
114 | fJet2DeltaPhiCut(2.616), // 150 degrees | |
115 | fJet2RatioPtCut(0.8), | |
116 | fJet3PtCut(15.), | |
117 | fTrackPtCut(0.), | |
118 | fTrackEtaCut(0.9), | |
c4396fd4 | 119 | fAvgTrials(1), |
6ef5bfa4 | 120 | fhNJets(0x0), |
121 | fhEleadingPt(0x0), | |
122 | fhMinRegPtDist(0x0), | |
123 | fhRegionMultMin(0x0), | |
124 | fhMinRegAvePt(0x0), | |
125 | fhMinRegSumPt(0x0), | |
126 | fhMinRegMaxPtPart(0x0), | |
127 | fhMinRegSumPtvsMult(0x0), | |
de6f8090 | 128 | fhdNdEtaPhiDist(0x0), |
6ef5bfa4 | 129 | fhFullRegPartPtDistVsEt(0x0), |
130 | fhTransRegPartPtDistVsEt(0x0), | |
131 | fhRegionSumPtMaxVsEt(0x0), | |
132 | fhRegionMultMax(0x0), | |
133 | fhRegionMultMaxVsEt(0x0), | |
134 | fhRegionSumPtMinVsEt(0x0), //fhRegionMultMin(0x0), | |
e1060f2b | 135 | fhRegionMultMinVsEt(0x0), |
136 | fhRegionAveSumPtVsEt(0x0), | |
137 | fhRegionDiffSumPtVsEt(0x0), | |
6ef5bfa4 | 138 | fhRegionAvePartPtMaxVsEt(0x0), |
139 | fhRegionAvePartPtMinVsEt(0x0), | |
140 | fhRegionMaxPartPtMaxVsEt(0x0), | |
623ed0a0 | 141 | fh1Xsec(0x0), |
142 | fh1Trials(0x0), | |
6ef5bfa4 | 143 | fSettingsTree(0x0)//, fhValidRegion(0x0) |
f3050824 | 144 | { |
145 | // Default constructor | |
146 | // Define input and output slots here | |
147 | // Input slot #0 works with a TChain | |
148 | DefineInput(0, TChain::Class()); | |
149 | // Output slot #0 writes into a TList container | |
150 | DefineOutput(0, TList::Class()); | |
151 | } | |
152 | ||
623ed0a0 | 153 | //______________________________________________________________ |
154 | Bool_t AliAnalysisTaskUE::Notify() | |
155 | { | |
156 | // | |
157 | // Implemented Notify() to read the cross sections | |
158 | // and number of trials from pyxsec.root | |
519378fb | 159 | // Copy from AliAnalysisTaskJFSystematics |
856f9829 | 160 | fAvgTrials = 1; |
623ed0a0 | 161 | TTree *tree = AliAnalysisManager::GetAnalysisManager()->GetTree(); |
519378fb | 162 | Float_t xsection = 0; |
163 | Float_t ftrials = 1; | |
623ed0a0 | 164 | if(tree){ |
165 | TFile *curfile = tree->GetCurrentFile(); | |
166 | if (!curfile) { | |
167 | Error("Notify","No current file"); | |
168 | return kFALSE; | |
169 | } | |
170 | if(!fh1Xsec||!fh1Trials){ | |
171 | Printf("%s%d No Histogram fh1Xsec",(char*)__FILE__,__LINE__); | |
172 | return kFALSE; | |
173 | } | |
c4396fd4 | 174 | AliAnalysisHelperJetTasks::PythiaInfoFromFile(curfile->GetName(),xsection,ftrials); |
623ed0a0 | 175 | fh1Xsec->Fill("<#sigma>",xsection); |
9d9a3c85 | 176 | |
c4396fd4 | 177 | // construct average trials |
178 | Float_t nEntries = (Float_t)tree->GetTree()->GetEntries(); | |
a221560c | 179 | if(ftrials>=nEntries && nEntries>0.)fAvgTrials = ftrials/nEntries; |
c4396fd4 | 180 | } |
181 | ||
623ed0a0 | 182 | return kTRUE; |
183 | } | |
184 | ||
f3050824 | 185 | //____________________________________________________________________ |
186 | void AliAnalysisTaskUE::ConnectInputData(Option_t* /*option*/) | |
187 | { | |
6ef5bfa4 | 188 | // Connect the input data |
f3050824 | 189 | |
6ef5bfa4 | 190 | // We need AOD with tracks and jets. |
191 | // Since AOD can be either connected to the InputEventHandler (input chain fron AOD files) | |
1e996f55 | 192 | // or to the OutputEventHandler ( AOD is create by a previus task in the train ) |
6ef5bfa4 | 193 | // we need to check where it is and get the pointer to AODEvent in the right way |
f3050824 | 194 | |
c4396fd4 | 195 | // Delta AODs are also implemented |
196 | ||
197 | ||
198 | if (fDebug > 1) AliInfo("ConnectInputData() "); | |
f3050824 | 199 | |
200 | TObject* handler = AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler(); | |
201 | ||
c4396fd4 | 202 | if( handler && handler->InheritsFrom("AliAODInputHandler") ) { // input AOD |
203 | fAOD = ((AliAODInputHandler*)handler)->GetEvent(); | |
204 | if (fDebug > 1) AliInfo(" ==== Tracks from AliAODInputHandler"); | |
205 | // Case when jets are reconstructed on the fly from AOD tracks | |
206 | // (the Jet Finder is using the AliJetAODReader) of InputEventHandler | |
207 | // and put in the OutputEventHandler AOD. Useful whe you want to reconstruct jets with | |
208 | // different parameters to default ones stored in the AOD or to use a different algorithm | |
209 | if( fJetsOnFly ) { | |
210 | handler = AliAnalysisManager::GetAnalysisManager()->GetOutputEventHandler(); | |
211 | if( handler && handler->InheritsFrom("AliAODHandler") ) { | |
212 | fAODjets = ((AliAODHandler*)handler)->GetAOD(); | |
213 | if (fDebug > 1) AliInfo(" ==== Jets from AliAODHandler (on the fly)"); | |
214 | } | |
215 | } else { | |
216 | fAODjets = fAOD; | |
217 | if (fDebug > 1) AliInfo(" ==== Jets from AliAODInputHandler"); | |
218 | } | |
219 | } else { //output AOD | |
6ef5bfa4 | 220 | handler = AliAnalysisManager::GetAnalysisManager()->GetOutputEventHandler(); |
221 | if( handler && handler->InheritsFrom("AliAODHandler") ) { | |
c4396fd4 | 222 | fAOD = ((AliAODHandler*)handler)->GetAOD(); |
6ef5bfa4 | 223 | fAODjets = fAOD; |
c4396fd4 | 224 | if (fDebug > 1) AliInfo(" ==== Tracks and Jets from AliAODHandler"); |
6ef5bfa4 | 225 | } else { |
226 | AliFatal("I can't get any AOD Event Handler"); | |
227 | return; | |
228 | } | |
229 | } | |
f3050824 | 230 | } |
231 | ||
232 | //____________________________________________________________________ | |
233 | void AliAnalysisTaskUE::CreateOutputObjects() | |
234 | { | |
6ef5bfa4 | 235 | // Create the output container |
236 | // | |
f3050824 | 237 | if (fDebug > 1) AliInfo("CreateOutPutData()"); |
238 | // | |
239 | // Histograms | |
1e996f55 | 240 | |
7fa8b2da | 241 | // OpenFile(0); |
f3050824 | 242 | CreateHistos(); |
1e996f55 | 243 | // fListOfHistos->SetOwner(kTRUE); |
244 | ||
245 | ||
f3050824 | 246 | } |
247 | ||
248 | ||
249 | //____________________________________________________________________ | |
250 | void AliAnalysisTaskUE::Exec(Option_t */*option*/) | |
251 | { | |
1c796df8 | 252 | //Trigger selection ************************************************ |
216601f0 | 253 | AliInputEventHandler* inputHandler = (AliInputEventHandler*) |
254 | ((AliAnalysisManager::GetAnalysisManager())->GetInputEventHandler()); | |
255 | if (inputHandler->IsEventSelected()){ | |
256 | if (fDebug > 1) AliInfo(" Trigger Selection: event ACCEPTED ... "); | |
257 | }else{ | |
258 | if (fDebug > 1) AliInfo(" Trigger Selection: event REJECTED ... "); | |
259 | return; | |
260 | } | |
261 | ||
1c796df8 | 262 | //Event selection (vertex) ***************************************** |
263 | AliKFVertex primVtx(*(fAOD->GetPrimaryVertex())); | |
264 | Int_t nTracksPrim=primVtx.GetNContributors(); | |
265 | if (fDebug > 1) AliInfo(Form(" Primary-vertex Selection: %d",nTracksPrim)); | |
266 | if(!nTracksPrim){ | |
267 | if (fDebug > 1) AliInfo(" Primary-vertex Selection: event REJECTED ..."); | |
268 | return; | |
269 | } | |
270 | if (fDebug > 1) AliInfo(" Primary-vertex Selection: event ACCEPTED ..."); | |
271 | ||
6ef5bfa4 | 272 | // Execute analysis for current event |
273 | // | |
274 | if ( fDebug > 3 ) AliInfo( " Processing event..." ); | |
519378fb | 275 | // fetch the pythia header info and get the trials |
276 | AliMCEventHandler* mcHandler = dynamic_cast<AliMCEventHandler*> (AliAnalysisManager::GetAnalysisManager()->GetMCtruthEventHandler()); | |
277 | Float_t nTrials = 1; | |
c4396fd4 | 278 | if (mcHandler) { |
279 | AliMCEvent* mcEvent = mcHandler->MCEvent(); | |
280 | if (mcEvent) { | |
281 | AliGenPythiaEventHeader* pythiaGenHeader = AliAnalysisHelperJetTasks::GetPythiaEventHeader(mcEvent); | |
282 | if(pythiaGenHeader){ | |
283 | nTrials = pythiaGenHeader->Trials(); | |
284 | } | |
519378fb | 285 | } |
286 | } | |
c4396fd4 | 287 | fh1Trials->Fill("#sum{ntrials}",fAvgTrials); |
288 | AnalyseUE(); | |
6ef5bfa4 | 289 | |
f3050824 | 290 | // Post the data |
291 | PostData(0, fListOfHistos); | |
292 | } | |
f3050824 | 293 | |
294 | //____________________________________________________________________ | |
295 | void AliAnalysisTaskUE::AnalyseUE() | |
296 | { | |
297 | // | |
298 | // Look for correlations on the tranverse regions to | |
299 | // the leading charged jet | |
300 | // | |
6ef5bfa4 | 301 | |
f3050824 | 302 | // ------------------------------------------------ |
303 | // Find Leading Jets 1,2,3 | |
304 | // (could be skipped if Jets are sort by Pt...) | |
305 | Double_t maxPtJet1 = 0.; | |
306 | Int_t index1 = -1; | |
307 | Double_t maxPtJet2 = 0.; // jet 2 need for back to back inclusive | |
308 | Int_t index2 = -1; | |
309 | Double_t maxPtJet3 = 0.; // jet 3 need for back to back exclusive | |
310 | Int_t index3 = -1; | |
6ef5bfa4 | 311 | TVector3 jetVect[3]; |
312 | Int_t nJets = 0; | |
313 | ||
c4396fd4 | 314 | |
6ef5bfa4 | 315 | if( !fUseChPartJet ) { |
316 | ||
317 | // Use AOD Jets | |
c4396fd4 | 318 | if(fDeltaAOD){ |
319 | if (fDebug > 1) AliInfo(" ==== Jets From Delta-AODs !"); | |
320 | if (fDebug > 1) AliInfo(Form(" ==== Reading Branch: %s ",fDeltaAODBranch.Data())); | |
321 | fArrayJets = | |
322 | (TClonesArray*)fAODjets->GetList()->FindObject(fDeltaAODBranch.Data()); | |
323 | if (!fArrayJets){ | |
324 | AliFatal(" No jet-array! "); | |
325 | return; | |
326 | } | |
327 | nJets=fArrayJets->GetEntries(); | |
328 | }else{ | |
e1060f2b | 329 | if (fDebug > 1) AliInfo(" ==== Read Standard-AODs !"); |
330 | if (fDebug > 1) AliInfo(Form(" ==== Reading Branch: %s ",fAODBranch.Data())); | |
331 | ||
332 | nJets = ((TClonesArray*)fAODjets->FindListObject(fAODBranch.Data()))->GetEntries(); | |
c4396fd4 | 333 | } |
334 | //printf("AOD %d jets \n", nJets); | |
335 | ||
6ef5bfa4 | 336 | for( Int_t i=0; i<nJets; ++i ) { |
c4396fd4 | 337 | AliAODJet* jet; |
338 | if (fDeltaAOD){ | |
e1060f2b | 339 | jet =(AliAODJet*)fArrayJets->At(i); |
c4396fd4 | 340 | }else{ |
e1060f2b | 341 | jet = (AliAODJet*)((TClonesArray*)fAODjets->FindListObject(fAODBranch.Data()))->At(i); |
c4396fd4 | 342 | } |
343 | Double_t jetPt = jet->Pt();//*1.666; // FIXME Jet Pt Correction ?????!!! | |
9d9a3c85 | 344 | |
6ef5bfa4 | 345 | if( jetPt > maxPtJet1 ) { |
c4396fd4 | 346 | maxPtJet3 = maxPtJet2; index3 = index2; |
347 | maxPtJet2 = maxPtJet1; index2 = index1; | |
348 | maxPtJet1 = jetPt; index1 = i; | |
6ef5bfa4 | 349 | } else if( jetPt > maxPtJet2 ) { |
c4396fd4 | 350 | maxPtJet3 = maxPtJet2; index3 = index2; |
351 | maxPtJet2 = jetPt; index2 = i; | |
6ef5bfa4 | 352 | } else if( jetPt > maxPtJet3 ) { |
c4396fd4 | 353 | maxPtJet3 = jetPt; index3 = i; |
6ef5bfa4 | 354 | } |
355 | } | |
9d9a3c85 | 356 | |
6ef5bfa4 | 357 | if( index1 != -1 ) { |
c4396fd4 | 358 | AliAODJet *jet = 0; |
359 | if (fDeltaAOD) { | |
360 | jet =(AliAODJet*) fArrayJets->At(index1); | |
361 | }else{ | |
e1060f2b | 362 | jet = (AliAODJet*)((TClonesArray*)fAODjets->FindListObject(fAODBranch.Data()))->At(index1); |
c4396fd4 | 363 | } |
7f80aa7b | 364 | if(jet)jetVect[0].SetXYZ(jet->Px(), jet->Py(), jet->Pz()); |
6ef5bfa4 | 365 | } |
366 | if( index2 != -1 ) { | |
c4396fd4 | 367 | AliAODJet* jet = 0; |
368 | if (fDeltaAOD) { | |
369 | jet= (AliAODJet*) fArrayJets->At(index2); | |
370 | }else{ | |
e1060f2b | 371 | jet=(AliAODJet*) ((TClonesArray*)fAODjets->FindListObject(fAODBranch.Data()))->At(index2); |
c4396fd4 | 372 | } |
7f80aa7b | 373 | if(jet)jetVect[1].SetXYZ(jet->Px(), jet->Py(), jet->Pz()); |
6ef5bfa4 | 374 | } |
375 | if( index3 != -1 ) { | |
c4396fd4 | 376 | AliAODJet* jet = 0; |
377 | if (fDeltaAOD) { | |
378 | jet= (AliAODJet*) fArrayJets->At(index3); | |
7f80aa7b | 379 | }else{ |
e1060f2b | 380 | ((TClonesArray*)fAODjets->FindListObject(fAODBranch.Data()))->At(index3); |
7f80aa7b | 381 | } |
382 | if(jet)jetVect[2].SetXYZ(jet->Px(), jet->Py(), jet->Pz()); | |
6ef5bfa4 | 383 | } |
384 | ||
385 | } else { | |
386 | ||
387 | // Use "Charged Particle Jets" | |
388 | TObjArray* jets = FindChargedParticleJets(); | |
389 | if( jets ) { | |
390 | nJets = jets->GetEntriesFast(); | |
391 | if( nJets > 0 ) { | |
c4396fd4 | 392 | index1 = 0; |
393 | AliAODJet* jet = (AliAODJet*)jets->At(0); | |
394 | maxPtJet1 = jet->Pt(); | |
395 | jetVect[0].SetXYZ(jet->Px(), jet->Py(), jet->Pz()); | |
6ef5bfa4 | 396 | } |
397 | if( nJets > 1 ) { | |
c4396fd4 | 398 | index2 = 1; |
399 | AliAODJet* jet = (AliAODJet*)jets->At(1); | |
9d9a3c85 | 400 | maxPtJet2 = jet->Pt(); |
c4396fd4 | 401 | jetVect[1].SetXYZ(jet->Px(), jet->Py(), jet->Pz()); |
6ef5bfa4 | 402 | } |
403 | if( nJets > 2 ) { | |
c4396fd4 | 404 | index3 = 2; |
405 | AliAODJet* jet = (AliAODJet*)jets->At(2); | |
9d9a3c85 | 406 | maxPtJet3 = jet->Pt(); |
c4396fd4 | 407 | jetVect[2].SetXYZ(jet->Px(), jet->Py(), jet->Pz()); |
6ef5bfa4 | 408 | } |
409 | ||
410 | jets->Delete(); | |
411 | delete jets; | |
f3050824 | 412 | } |
413 | } | |
6ef5bfa4 | 414 | |
c4396fd4 | 415 | |
416 | fhNJets->Fill(nJets); | |
f3050824 | 417 | |
6ef5bfa4 | 418 | if( fDebug > 1 ) { |
419 | if( index1 < 0 ) { | |
420 | AliInfo("\n Skipping Event, not jet found..."); | |
421 | return; | |
422 | } else | |
423 | AliInfo(Form("\n Pt Leading Jet = %6.1f eta=%5.3f ", maxPtJet1, jetVect[0].Eta() )); | |
424 | } | |
425 | ||
f3050824 | 426 | |
427 | // ---------------------------------------------- | |
6ef5bfa4 | 428 | // Cut events by jets topology |
f3050824 | 429 | // fAnaType: |
6ef5bfa4 | 430 | // 1 = inclusive, |
f3050824 | 431 | // - Jet1 |eta| < fJet1EtaCut |
432 | // 2 = back to back inclusive | |
433 | // - fulfill case 1 | |
434 | // - |Jet1.Phi - Jet2.Phi| > fJet2DeltaPhiCut | |
435 | // - Jet2.Pt/Jet1Pt > fJet2RatioPtCut | |
6ef5bfa4 | 436 | // 3 = back to back exclusive |
f3050824 | 437 | // - fulfill case 2 |
438 | // - Jet3.Pt < fJet3PtCut | |
439 | ||
6ef5bfa4 | 440 | if( index1 < 0 || TMath::Abs(jetVect[0].Eta()) > fJet1EtaCut) { |
441 | if( fDebug > 1 ) AliInfo("\n Skipping Event...Jet1 |eta| > fJet1EtaCut"); | |
f3050824 | 442 | return; |
443 | } | |
f3050824 | 444 | // back to back inclusive |
6ef5bfa4 | 445 | if( fAnaType > 1 && index2 == -1 ) { |
446 | if( fDebug > 1 ) AliInfo("\n Skipping Event... no second Jet found"); | |
447 | return; | |
448 | } | |
449 | if( fAnaType > 1 && index2 > -1 ) { | |
f3050824 | 450 | if( TMath::Abs(jetVect[0].DeltaPhi(jetVect[1])) < fJet2DeltaPhiCut || |
6ef5bfa4 | 451 | maxPtJet2/maxPtJet1 < fJet2RatioPtCut ) { |
452 | if( fDebug > 1 ) AliInfo("\n Skipping Event... |Jet1.Phi - Jet2.Phi| < fJet2DeltaPhiCut"); | |
453 | return; | |
f3050824 | 454 | } |
f3050824 | 455 | } |
f3050824 | 456 | // back to back exclusive |
6ef5bfa4 | 457 | if( fAnaType > 2 && index3 > -1 ) { |
458 | if( maxPtJet3 > fJet3PtCut ) { | |
459 | if( fDebug > 1 ) AliInfo("\n Skipping Event... Jet3.Pt > fJet3PtCut "); | |
f3050824 | 460 | return; |
461 | } | |
f3050824 | 462 | } |
f3050824 | 463 | |
623ed0a0 | 464 | //fhEleadingPt->Fill( maxPtJet1 ); |
6ef5bfa4 | 465 | //Area for Normalization Purpose at Display histos |
466 | SetRegionArea(jetVect); | |
467 | ||
f3050824 | 468 | // ---------------------------------------------- |
469 | // Find max and min regions | |
470 | Double_t sumPtRegionPosit = 0.; | |
471 | Double_t sumPtRegionNegat = 0.; | |
472 | Double_t maxPartPtRegion = 0.; | |
473 | Int_t nTrackRegionPosit = 0; | |
474 | Int_t nTrackRegionNegat = 0; | |
9d9a3c85 | 475 | static Double_t const kPI = TMath::Pi(); |
476 | static Double_t const kTWOPI = 2.*kPI; | |
477 | static Double_t const k270rad = 270.*kPI/180.; | |
478 | ||
f3050824 | 479 | |
623ed0a0 | 480 | if (!fUseMCParticleBranch){ |
481 | fhEleadingPt->Fill( maxPtJet1 ); | |
482 | Int_t nTracks = fAOD->GetNTracks(); | |
6ef5bfa4 | 483 | |
623ed0a0 | 484 | for (Int_t ipart=0; ipart<nTracks; ++ipart) { |
485 | ||
486 | AliAODTrack* part = fAOD->GetTrack( ipart ); | |
487 | if ( !part->TestFilterBit(fFilterBit) ) continue; // track cut selection | |
488 | if (!part->IsPrimaryCandidate()) continue; // reject whatever is not linked to collision point | |
489 | // PID Selection: Reject everything but hadrons | |
490 | Bool_t isHadron = part->GetMostProbablePID()==AliAODTrack::kPion || | |
491 | part->GetMostProbablePID()==AliAODTrack::kKaon || | |
492 | part->GetMostProbablePID()==AliAODTrack::kProton; | |
9d9a3c85 | 493 | if ( fUseChargeHadrons && !isHadron ) continue; |
623ed0a0 | 494 | |
495 | if ( !part->Charge() ) continue; //Only charged | |
496 | if ( fUseSingleCharge ) { // Charge selection | |
497 | if ( fUsePositiveCharge && part->Charge() < 0.) continue; // keep Positives | |
498 | if ( !fUsePositiveCharge && part->Charge() > 0.) continue; // keep Negatives | |
499 | } | |
500 | ||
501 | if ( part->Pt() < fTrackPtCut ) continue; | |
502 | if( TMath::Abs(part->Eta()) > fTrackEtaCut ) continue; | |
503 | ||
504 | TVector3 partVect(part->Px(), part->Py(), part->Pz()); | |
505 | ||
506 | Double_t deltaPhi = jetVect[0].DeltaPhi(partVect)+k270rad; | |
9d9a3c85 | 507 | if( deltaPhi > kTWOPI ) deltaPhi-= kTWOPI; |
508 | fhdNdEtaPhiDist->Fill( deltaPhi, maxPtJet1 ); | |
623ed0a0 | 509 | |
510 | fhFullRegPartPtDistVsEt->Fill( part->Pt(), maxPtJet1 ); | |
511 | ||
512 | Int_t region = IsTrackInsideRegion( jetVect, &partVect ); | |
513 | ||
514 | if (region > 0) { | |
515 | if( maxPartPtRegion < part->Pt() ) maxPartPtRegion = part->Pt(); | |
516 | sumPtRegionPosit += part->Pt(); | |
517 | nTrackRegionPosit++; | |
518 | fhTransRegPartPtDistVsEt->Fill( part->Pt(), maxPtJet1 ); | |
519 | } | |
520 | if (region < 0) { | |
521 | if( maxPartPtRegion < part->Pt() ) maxPartPtRegion = part->Pt(); | |
522 | sumPtRegionNegat += part->Pt(); | |
523 | nTrackRegionNegat++; | |
524 | fhTransRegPartPtDistVsEt->Fill( part->Pt(), maxPtJet1 ); | |
525 | } | |
526 | }//end loop AOD tracks | |
527 | } | |
528 | else { | |
6ef5bfa4 | 529 | |
623ed0a0 | 530 | // this is the part we only use when we have MC information |
531 | // More than a test for values of it also resumes the reconstruction efficiency of jets | |
532 | // As commented bellow if available for the data, we try to pair reconstructed jets with simulated ones | |
533 | // afterwards we kept angular variables of MC jet to perform UE analysis over MC particles | |
534 | // TODO: Handle Multiple jet environment. 06/2009 just suited for inclusive jet condition ( fAnaType = 1 ) | |
6ef5bfa4 | 535 | |
623ed0a0 | 536 | AliMCEventHandler* mcHandler = dynamic_cast<AliMCEventHandler*> (AliAnalysisManager::GetAnalysisManager()->GetMCtruthEventHandler()); |
537 | if (!mcHandler) { | |
538 | Printf("ERROR: Could not retrieve MC event handler"); | |
539 | return; | |
540 | } | |
541 | ||
542 | AliMCEvent* mcEvent = mcHandler->MCEvent(); | |
543 | if (!mcEvent) { | |
544 | Printf("ERROR: Could not retrieve MC event"); | |
545 | return; | |
546 | } | |
547 | AliGenPythiaEventHeader* pythiaGenHeader = AliAnalysisHelperJetTasks::GetPythiaEventHeader(mcEvent); | |
548 | if(!pythiaGenHeader){ | |
549 | return; | |
550 | } | |
f3050824 | 551 | |
623ed0a0 | 552 | //Get Jets from MC header |
553 | Int_t nPythiaGenJets = pythiaGenHeader->NTriggerJets(); | |
554 | AliAODJet pythiaGenJets[4]; | |
555 | TVector3 jetVectnew[4]; | |
556 | Int_t iCount = 0; | |
557 | for(int ip = 0;ip < nPythiaGenJets;++ip){ | |
558 | if (iCount>3) break; | |
559 | Float_t p[4]; | |
560 | pythiaGenHeader->TriggerJet(ip,p); | |
561 | TVector3 tempVect(p[0],p[1],p[2]); | |
562 | if ( TMath::Abs(tempVect.Eta())>fJet1EtaCut ) continue; | |
563 | pythiaGenJets[iCount].SetPxPyPzE(p[0],p[1],p[2],p[3]); | |
564 | jetVectnew[iCount].SetXYZ(pythiaGenJets[iCount].Px(), pythiaGenJets[iCount].Py(), pythiaGenJets[iCount].Pz()); | |
565 | iCount++; | |
566 | } | |
6ef5bfa4 | 567 | |
623ed0a0 | 568 | if (!iCount) return;// no jet in eta acceptance |
f3050824 | 569 | |
623ed0a0 | 570 | //Search the index of the nearest MC jet to the leading jet reconstructed from the input data |
571 | Int_t index = 0; | |
572 | if (fConstrainDistance){ | |
573 | Float_t deltaR = 0.; | |
574 | Float_t dRTemp = 0.; | |
575 | for (Int_t i=0; i<iCount; i++){ | |
576 | if (!i) { | |
577 | dRTemp = jetVectnew[i].DeltaR(jetVect[0]); | |
578 | index = i; | |
579 | } | |
580 | deltaR = jetVectnew[i].DeltaR(jetVect[0]); | |
581 | if (deltaR < dRTemp){ | |
582 | index = i; | |
583 | dRTemp = deltaR; | |
584 | } | |
585 | } | |
586 | ||
587 | if (jetVectnew[index].DeltaR(jetVect[0]) > fMinDistance) return; | |
588 | } | |
589 | //Let's add some taste to jet and simulate pt of charged alone | |
590 | //eta and phi are kept as original | |
591 | //Play a Normal Distribution | |
592 | Float_t random = 1.; | |
593 | if (fSimulateChJetPt){ | |
594 | while(1){ | |
595 | random = gRandom->Gaus(0.6,0.25); | |
596 | if (random > 0. && random < 1. && | |
597 | (random * jetVectnew[index].Pt()>6.)) break; | |
598 | } | |
f3050824 | 599 | } |
623ed0a0 | 600 | |
601 | //Set new Pt & Fill histogram accordingly | |
602 | maxPtJet1 = random * jetVectnew[index].Pt(); | |
603 | ||
604 | ||
605 | fhEleadingPt->Fill( maxPtJet1 ); | |
606 | ||
607 | if (fUseAliStack){//Try Stack Information to perform UE analysis | |
608 | ||
609 | AliStack* mcStack = mcEvent->Stack();//Load Stack | |
610 | Int_t nTracksMC = mcStack->GetNtrack(); | |
611 | for (Int_t iTracks = 0; iTracks < nTracksMC; iTracks++) { | |
612 | //Cuts | |
613 | if(!(mcStack->IsPhysicalPrimary(iTracks))) continue; | |
614 | ||
615 | TParticle* mctrk = mcStack->Particle(iTracks); | |
616 | ||
617 | Double_t charge = mctrk->GetPDG()->Charge(); | |
618 | if (charge == 0) continue; | |
619 | ||
620 | if ( fUseSingleCharge ) { // Charge selection | |
621 | if ( fUsePositiveCharge && charge < 0.) continue; // keep Positives | |
622 | if ( !fUsePositiveCharge && charge > 0.) continue; // keep Negatives | |
623 | } | |
624 | ||
625 | //Kinematics cuts on particle | |
626 | if ((mctrk->Pt() < fTrackPtCut) || (TMath::Abs(mctrk->Eta()) > fTrackEtaCut )) continue; | |
627 | ||
628 | Bool_t isHadron = TMath::Abs(mctrk->GetPdgCode())==211 || | |
629 | TMath::Abs(mctrk->GetPdgCode())==2212 || | |
630 | TMath::Abs(mctrk->GetPdgCode())==321; | |
631 | ||
9d9a3c85 | 632 | if ( fUseChargeHadrons && !isHadron ) continue; |
623ed0a0 | 633 | |
634 | TVector3 partVect(mctrk->Px(), mctrk->Py(), mctrk->Pz()); | |
635 | ||
636 | Double_t deltaPhi = jetVectnew[index].DeltaPhi(partVect)+k270rad; | |
637 | if( deltaPhi > 2.*TMath::Pi() ) deltaPhi-= 2.*TMath::Pi(); | |
9d9a3c85 | 638 | fhdNdEtaPhiDist->Fill( deltaPhi, maxPtJet1 ); |
623ed0a0 | 639 | |
640 | fhFullRegPartPtDistVsEt->Fill( mctrk->Pt(), maxPtJet1 ); | |
641 | ||
642 | //We are not interested on stack organization but don't loose track of info | |
643 | TVector3 tempVector = jetVectnew[0]; | |
644 | jetVectnew[0] = jetVectnew[index]; | |
645 | jetVectnew[index] = tempVector; | |
646 | ||
647 | Int_t region = IsTrackInsideRegion( jetVectnew, &partVect ); | |
648 | ||
649 | if (region > 0) { | |
650 | if( maxPartPtRegion < mctrk->Pt() ) maxPartPtRegion = mctrk->Pt(); | |
651 | sumPtRegionPosit += mctrk->Pt(); | |
652 | nTrackRegionPosit++; | |
653 | fhTransRegPartPtDistVsEt->Fill( mctrk->Pt(), maxPtJet1 ); | |
654 | } | |
655 | if (region < 0) { | |
656 | if( maxPartPtRegion < mctrk->Pt() ) maxPartPtRegion = mctrk->Pt(); | |
657 | sumPtRegionNegat += mctrk->Pt(); | |
658 | nTrackRegionNegat++; | |
659 | fhTransRegPartPtDistVsEt->Fill( mctrk->Pt(), maxPtJet1 ); | |
660 | } | |
661 | } // end loop stack Particles | |
662 | ||
663 | }else{//Try mc Particle | |
664 | ||
665 | TClonesArray* farray = (TClonesArray*)fAOD->FindListObject("mcparticles"); | |
666 | ||
667 | Int_t ntrks = farray->GetEntries(); | |
668 | if (fDebug>1) AliInfo(Form("In UE MC analysis tracks %d \n",ntrks)); | |
669 | for(Int_t i =0 ; i < ntrks; i++){ | |
670 | AliAODMCParticle* mctrk = (AliAODMCParticle*)farray->At(i); | |
671 | //Cuts | |
672 | if (!(mctrk->IsPhysicalPrimary())) continue; | |
673 | //if (!(mctrk->IsPrimary())) continue; | |
674 | ||
675 | if (mctrk->Charge() == 0 || mctrk->Charge()==-99) continue; | |
676 | ||
677 | if (mctrk->Pt() < fTrackPtCut ) continue; | |
678 | if( TMath::Abs(mctrk->Eta()) > fTrackEtaCut ) continue; | |
679 | ||
680 | Bool_t isHadron = TMath::Abs(mctrk->GetPdgCode())==211 || | |
681 | TMath::Abs(mctrk->GetPdgCode())==2212 || | |
682 | TMath::Abs(mctrk->GetPdgCode())==321; | |
683 | ||
9d9a3c85 | 684 | if ( fUseChargeHadrons && !isHadron ) continue; |
623ed0a0 | 685 | |
686 | TVector3 partVect(mctrk->Px(), mctrk->Py(), mctrk->Pz()); | |
687 | ||
688 | Double_t deltaPhi = jetVectnew[index].DeltaPhi(partVect)+k270rad; | |
689 | if( deltaPhi > 2.*TMath::Pi() ) deltaPhi-= 2.*TMath::Pi(); | |
9d9a3c85 | 690 | fhdNdEtaPhiDist->Fill( deltaPhi, maxPtJet1 ); |
623ed0a0 | 691 | |
692 | fhFullRegPartPtDistVsEt->Fill( mctrk->Pt(), maxPtJet1 ); | |
693 | ||
694 | //We are not interested on stack organization but don't loose track of info | |
695 | TVector3 tempVector = jetVectnew[0]; | |
696 | jetVectnew[0] = jetVectnew[index]; | |
697 | jetVectnew[index] = tempVector; | |
698 | ||
699 | Int_t region = IsTrackInsideRegion( jetVectnew, &partVect ); | |
700 | ||
701 | if (region > 0) { | |
702 | if( maxPartPtRegion < mctrk->Pt() ) maxPartPtRegion = mctrk->Pt(); | |
703 | sumPtRegionPosit += mctrk->Pt(); | |
704 | nTrackRegionPosit++; | |
705 | fhTransRegPartPtDistVsEt->Fill( mctrk->Pt(), maxPtJet1 ); | |
706 | } | |
707 | if (region < 0) { | |
708 | if( maxPartPtRegion < mctrk->Pt() ) maxPartPtRegion = mctrk->Pt(); | |
709 | sumPtRegionNegat += mctrk->Pt(); | |
710 | nTrackRegionNegat++; | |
711 | fhTransRegPartPtDistVsEt->Fill( mctrk->Pt(), maxPtJet1 ); | |
712 | } | |
713 | ||
714 | }//end loop AliAODMCParticle tracks | |
f3050824 | 715 | } |
716 | } | |
f3050824 | 717 | //How quantities will be sorted before Fill Min and Max Histogram |
718 | // 1=Plots will be CDF-like | |
719 | // 2=Plots will be Marchesini-like | |
6ef5bfa4 | 720 | if( fOrdering == 1 ) { |
721 | if( sumPtRegionPosit > sumPtRegionNegat ) { | |
722 | FillSumPtRegion( maxPtJet1, sumPtRegionPosit/fAreaReg, sumPtRegionNegat/fAreaReg ); | |
f3050824 | 723 | } else { |
6ef5bfa4 | 724 | FillSumPtRegion( maxPtJet1, sumPtRegionNegat/fAreaReg, sumPtRegionPosit/fAreaReg ); |
f3050824 | 725 | } |
726 | if (nTrackRegionPosit > nTrackRegionNegat ) { | |
6ef5bfa4 | 727 | FillMultRegion( maxPtJet1, nTrackRegionPosit/fAreaReg, nTrackRegionNegat/fAreaReg, sumPtRegionNegat/fAreaReg ); |
f3050824 | 728 | } else { |
6ef5bfa4 | 729 | FillMultRegion( maxPtJet1, nTrackRegionNegat/fAreaReg, nTrackRegionPosit/fAreaReg, sumPtRegionPosit/fAreaReg ); |
f3050824 | 730 | } |
6ef5bfa4 | 731 | } else if( fOrdering == 2 ) { |
f3050824 | 732 | if (sumPtRegionPosit > sumPtRegionNegat) { |
6ef5bfa4 | 733 | FillSumPtRegion( maxPtJet1, sumPtRegionPosit/fAreaReg, sumPtRegionNegat/fAreaReg ); |
734 | FillMultRegion( maxPtJet1, nTrackRegionPosit/fAreaReg, nTrackRegionNegat/fAreaReg, sumPtRegionNegat/fAreaReg ); | |
f3050824 | 735 | } else { |
6ef5bfa4 | 736 | FillSumPtRegion( maxPtJet1, sumPtRegionNegat/fAreaReg, sumPtRegionPosit/fAreaReg ); |
737 | FillMultRegion( maxPtJet1, nTrackRegionNegat/fAreaReg, nTrackRegionPosit/fAreaReg, sumPtRegionPosit/fAreaReg ); | |
f3050824 | 738 | } |
739 | } | |
740 | ||
741 | Double_t avePosRegion = (nTrackRegionPosit) ? sumPtRegionPosit/nTrackRegionPosit : 0.; | |
742 | Double_t aveNegRegion = (nTrackRegionNegat) ? sumPtRegionNegat/nTrackRegionNegat : 0.; | |
6ef5bfa4 | 743 | if( avePosRegion > aveNegRegion ) { |
744 | FillAvePartPtRegion( maxPtJet1, avePosRegion/fAreaReg, aveNegRegion/fAreaReg ); | |
f3050824 | 745 | } else { |
6ef5bfa4 | 746 | FillAvePartPtRegion( maxPtJet1, aveNegRegion/fAreaReg, avePosRegion/fAreaReg ); |
f3050824 | 747 | } |
6ef5bfa4 | 748 | |
f3050824 | 749 | fhRegionMaxPartPtMaxVsEt->Fill(maxPtJet1, maxPartPtRegion ); |
6ef5bfa4 | 750 | |
751 | // Compute pedestal like magnitudes | |
752 | fhRegionDiffSumPtVsEt->Fill(maxPtJet1, TMath::Abs(sumPtRegionPosit-sumPtRegionNegat)/(2.0*fAreaReg)); | |
753 | fhRegionAveSumPtVsEt->Fill(maxPtJet1, (sumPtRegionPosit+sumPtRegionNegat)/(2.0*fAreaReg)); | |
754 | ||
f3050824 | 755 | } |
756 | ||
f3050824 | 757 | //____________________________________________________________________ |
758 | void AliAnalysisTaskUE::FillSumPtRegion( Double_t leadingE, Double_t ptMax, Double_t ptMin ) | |
759 | { | |
6ef5bfa4 | 760 | // Fill sumPt of control regions |
761 | ||
762 | // Max cone | |
763 | fhRegionSumPtMaxVsEt->Fill( leadingE, ptMax ); | |
764 | // Min cone | |
765 | fhRegionSumPtMinVsEt->Fill( leadingE, ptMin ); | |
766 | // MAke distributions for UE comparison with MB data | |
767 | fhMinRegSumPt->Fill(ptMin); | |
f3050824 | 768 | } |
769 | ||
770 | //____________________________________________________________________ | |
771 | void AliAnalysisTaskUE::FillAvePartPtRegion( Double_t leadingE, Double_t ptMax, Double_t ptMin ) | |
772 | { | |
6ef5bfa4 | 773 | // Fill average particle Pt of control regions |
774 | ||
775 | // Max cone | |
776 | fhRegionAvePartPtMaxVsEt->Fill( leadingE, ptMax ); | |
777 | // Min cone | |
778 | fhRegionAvePartPtMinVsEt->Fill( leadingE, ptMin ); | |
779 | // MAke distributions for UE comparison with MB data | |
780 | fhMinRegAvePt->Fill(ptMin); | |
f3050824 | 781 | } |
782 | ||
783 | //____________________________________________________________________ | |
784 | void AliAnalysisTaskUE::FillMultRegion( Double_t leadingE, Double_t nTrackPtmax, Double_t nTrackPtmin, Double_t ptMin ) | |
785 | { | |
6ef5bfa4 | 786 | // Fill Nch multiplicity of control regions |
787 | ||
788 | // Max cone | |
789 | fhRegionMultMaxVsEt->Fill( leadingE, nTrackPtmax ); | |
790 | fhRegionMultMax->Fill( nTrackPtmax ); | |
791 | // Min cone | |
792 | fhRegionMultMinVsEt->Fill( leadingE, nTrackPtmin ); | |
793 | fhRegionMultMin->Fill( nTrackPtmin ); | |
794 | // MAke distributions for UE comparison with MB data | |
795 | fhMinRegSumPtvsMult->Fill(nTrackPtmin,ptMin); | |
f3050824 | 796 | } |
797 | ||
798 | //____________________________________________________________________ | |
799 | Int_t AliAnalysisTaskUE::IsTrackInsideRegion(TVector3 *jetVect, TVector3 *partVect) | |
800 | { | |
801 | // return de region in delta phi | |
802 | // -1 negative delta phi | |
803 | // 1 positive delta phi | |
804 | // 0 outside region | |
805 | static const Double_t k60rad = 60.*TMath::Pi()/180.; | |
806 | static const Double_t k120rad = 120.*TMath::Pi()/180.; | |
807 | ||
808 | Int_t region = 0; | |
809 | if( fRegionType == 1 ) { | |
810 | if( TMath::Abs(partVect->Eta()) > fTrackEtaCut ) return 0; | |
811 | // transverse regions | |
812 | if (jetVect[0].DeltaPhi(*partVect) < -k60rad && jetVect[0].DeltaPhi(*partVect) > -k120rad ) region = -1; | |
813 | if (jetVect[0].DeltaPhi(*partVect) > k60rad && jetVect[0].DeltaPhi(*partVect) < k120rad ) region = 1; | |
6ef5bfa4 | 814 | |
f3050824 | 815 | } else if( fRegionType == 2 ) { |
816 | // Cone regions | |
817 | Double_t deltaR = 0.; | |
818 | ||
819 | TVector3 positVect,negatVect; | |
623ed0a0 | 820 | if (fConePosition==1){ |
821 | positVect.SetMagThetaPhi(1, 2.*atan(exp(-jetVect[0].Eta())), jetVect[0].Phi()+TMath::PiOver2()); | |
822 | negatVect.SetMagThetaPhi(1, 2.*atan(exp(-jetVect[0].Eta())), jetVect[0].Phi()-TMath::PiOver2()); | |
823 | }else if (fConePosition==2){ | |
824 | if(fAnaType<2) AliFatal("Prevent error in Analysis type there might be only 1 jet. To avoid overflow better Correct UE config"); | |
825 | positVect.SetMagThetaPhi(1, 2.*atan(exp(-(jetVect[0].Eta()+jetVect[1].Eta())/2.)), jetVect[0].Phi()+TMath::PiOver2()); | |
826 | negatVect.SetMagThetaPhi(1, 2.*atan(exp(-(jetVect[0].Eta()+jetVect[1].Eta())/2.)), jetVect[0].Phi()-TMath::PiOver2()); | |
827 | }else if (fConePosition==3){ | |
828 | if(fAnaType<2) AliFatal("Prevent error in Analysis type there might be only 1 jet. To avoid overflow better Correct UE config"); | |
829 | Double_t weightEta = jetVect[0].Eta() * jetVect[0].Pt()/(jetVect[0].Pt() + jetVect[1].Pt()) + | |
830 | jetVect[1].Eta() * jetVect[1].Pt()/(jetVect[0].Pt() + jetVect[1].Pt()); | |
831 | //Double_t weightEta = jetVect[0].Eta() * jetVect[0].Mag()/(jetVect[0].Mag() + jetVect[1].Mag()) + | |
832 | // jetVect[1].Eta() * jetVect[1].Mag()/(jetVect[0].Mag() + jetVect[1].Mag()); | |
833 | positVect.SetMagThetaPhi(1, 2.*atan(exp(-weightEta)), jetVect[0].Phi()+TMath::PiOver2()); | |
834 | negatVect.SetMagThetaPhi(1, 2.*atan(exp(-weightEta)), jetVect[0].Phi()-TMath::PiOver2()); | |
835 | } | |
f3050824 | 836 | if (TMath::Abs(positVect.DeltaPhi(*partVect)) < fConeRadius ) { |
6ef5bfa4 | 837 | region = 1; |
838 | deltaR = positVect.DrEtaPhi(*partVect); | |
f3050824 | 839 | } else if (TMath::Abs(negatVect.DeltaPhi(*partVect)) < fConeRadius) { |
6ef5bfa4 | 840 | region = -1; |
841 | deltaR = negatVect.DrEtaPhi(*partVect); | |
f3050824 | 842 | } |
843 | ||
844 | if (deltaR > fConeRadius) region = 0; | |
6ef5bfa4 | 845 | |
f3050824 | 846 | } else |
847 | AliError("Unknow region type"); | |
6ef5bfa4 | 848 | |
f3050824 | 849 | // For debug (to be removed) |
850 | //if( region != 0 ) fhValidRegion->Fill( partVect->Eta()-jetVect[0].Eta(), jetVect[0].DeltaPhi(*partVect) ); | |
851 | ||
852 | return region; | |
853 | } | |
854 | ||
6ef5bfa4 | 855 | |
856 | //____________________________________________________________________ | |
857 | TObjArray* AliAnalysisTaskUE::FindChargedParticleJets() | |
858 | { | |
859 | // Return a TObjArray of "charged particle jets" | |
860 | // | |
9d9a3c85 | 861 | // Charged particle jet deï¬\81nition from reference: |
6ef5bfa4 | 862 | // |
863 | // "Charged jet evolution and the underlying event | |
864 | // in proton-antiproton collisions at 1.8 TeV" | |
865 | // PHYSICAL REVIEW D 65 092002, CDF Collaboration | |
866 | // | |
9d9a3c85 | 867 | // We deï¬\81ne "jets" as circular regions in eta-phi space with |
868 | // radius deï¬\81ned by R = sqrt( (eta-eta0)^2 +(phi-phi0)^2 ). | |
6ef5bfa4 | 869 | // Our jet algorithm is as follows: |
870 | // 1- Order all charged particles according to their pT . | |
871 | // 2- Start with the highest pT particle and include in the jet all | |
872 | // particles within the radius R=0.7 considering each particle | |
873 | // in the order of decreasing pT and recalculating the centroid | |
874 | // of the jet after each new particle is added to the jet . | |
875 | // 3- Go to the next highest pT particle not already included in | |
876 | // a jet and add to the jet all particles not already included in | |
877 | // a jet within R=0.7. | |
878 | // 4- Continue until all particles are in a jet. | |
9d9a3c85 | 879 | // We deï¬\81ne the transverse momentum of the jet to be |
6ef5bfa4 | 880 | // the scalar pT sum of all the particles within the jet, where pT |
881 | // is measured with respect to the beam axis | |
882 | ||
883 | // 1 - Order all charged particles according to their pT . | |
884 | Int_t nTracks = fAOD->GetNTracks(); | |
885 | if( !nTracks ) return 0; | |
886 | TObjArray tracks(nTracks); | |
887 | ||
888 | for (Int_t ipart=0; ipart<nTracks; ++ipart) { | |
889 | AliAODTrack* part = fAOD->GetTrack( ipart ); | |
890 | if( !part->TestFilterBit(fFilterBit) ) continue; // track cut selection | |
891 | if( !part->Charge() ) continue; | |
892 | if( part->Pt() < fTrackPtCut ) continue; | |
893 | tracks.AddLast(part); | |
894 | } | |
895 | QSortTracks( tracks, 0, tracks.GetEntriesFast() ); | |
896 | ||
897 | nTracks = tracks.GetEntriesFast(); | |
898 | if( !nTracks ) return 0; | |
9d9a3c85 | 899 | |
6ef5bfa4 | 900 | TObjArray *jets = new TObjArray(nTracks); |
901 | TIter itrack(&tracks); | |
902 | while( nTracks ) { | |
903 | // 2- Start with the highest pT particle ... | |
904 | Float_t px,py,pz,pt; | |
905 | AliAODTrack* track = (AliAODTrack*)itrack.Next(); | |
906 | if( !track ) continue; | |
907 | px = track->Px(); | |
908 | py = track->Py(); | |
909 | pz = track->Pz(); | |
910 | pt = track->Pt(); // Use the energy member to store Pt | |
911 | jets->AddLast( new TLorentzVector(px, py, pz, pt) ); | |
912 | tracks.Remove( track ); | |
913 | TLorentzVector* jet = (TLorentzVector*)jets->Last(); | |
9d9a3c85 | 914 | jet->SetPtEtaPhiE( 1., jet->Eta(), jet->Phi(), pt ); |
6ef5bfa4 | 915 | // 3- Go to the next highest pT particle not already included... |
916 | AliAODTrack* track1; | |
9d9a3c85 | 917 | Double_t fPt = jet->E(); |
6ef5bfa4 | 918 | while ( (track1 = (AliAODTrack*)(itrack.Next())) ) { |
9d9a3c85 | 919 | Double_t tphi = track1->Phi(); // here Phi is from 0 <-> 2Pi |
920 | if (tphi > TMath::Pi()) tphi -= 2. * TMath::Pi(); // convert to -Pi <-> Pi | |
921 | Double_t dphi = TVector2::Phi_mpi_pi(jet->Phi()-tphi); | |
6ef5bfa4 | 922 | Double_t r = TMath::Sqrt( (jet->Eta()-track1->Eta())*(jet->Eta()-track1->Eta()) + |
923 | dphi*dphi ); | |
924 | if( r < fConeRadius ) { | |
9d9a3c85 | 925 | fPt = jet->E()+track1->Pt(); // Scalar sum of Pt |
6ef5bfa4 | 926 | // recalculating the centroid |
623ed0a0 | 927 | Double_t eta = jet->Eta()*jet->E()/fPt + track1->Eta()*track1->Pt()/fPt; |
9d9a3c85 | 928 | Double_t phi = jet->Phi()*jet->E()/fPt + tphi*track1->Pt()/fPt; |
de6f8090 | 929 | jet->SetPtEtaPhiE( 1., eta, phi, fPt ); |
6ef5bfa4 | 930 | tracks.Remove( track1 ); |
931 | } | |
932 | } | |
933 | ||
934 | tracks.Compress(); | |
935 | nTracks = tracks.GetEntries(); | |
936 | // 4- Continue until all particles are in a jet. | |
937 | itrack.Reset(); | |
938 | } // end while nTracks | |
939 | ||
940 | // Convert to AODjets.... | |
941 | Int_t njets = jets->GetEntriesFast(); | |
942 | TObjArray* aodjets = new TObjArray(njets); | |
943 | aodjets->SetOwner(kTRUE); | |
944 | for(Int_t ijet=0; ijet<njets; ++ijet) { | |
945 | TLorentzVector* jet = (TLorentzVector*)jets->At(ijet); | |
623ed0a0 | 946 | if (jet->E() < fChJetPtMin) continue; |
6ef5bfa4 | 947 | Float_t px, py,pz,en; // convert to 4-vector |
948 | px = jet->E() * TMath::Cos(jet->Phi()); // Pt * cos(phi) | |
949 | py = jet->E() * TMath::Sin(jet->Phi()); // Pt * sin(phi) | |
950 | pz = jet->E() / TMath::Tan(2.0 * TMath::ATan(TMath::Exp(-jet->Eta()))); | |
951 | en = TMath::Sqrt(px * px + py * py + pz * pz); | |
9d9a3c85 | 952 | |
6ef5bfa4 | 953 | aodjets->AddLast( new AliAODJet(px, py, pz, en) ); |
954 | } | |
955 | // Order jets according to their pT . | |
956 | QSortTracks( *aodjets, 0, aodjets->GetEntriesFast() ); | |
957 | ||
958 | // debug | |
959 | if (fDebug>3) AliInfo(Form(" %d Charged jets found\n",njets)); | |
960 | ||
961 | return aodjets; | |
962 | } | |
963 | ||
964 | //____________________________________________________________________ | |
965 | void AliAnalysisTaskUE::QSortTracks(TObjArray &a, Int_t first, Int_t last) | |
966 | { | |
967 | // Sort array of TObjArray of tracks by Pt using a quicksort algorithm. | |
968 | ||
969 | static TObject *tmp; | |
970 | static int i; // "static" to save stack space | |
971 | int j; | |
972 | ||
973 | while (last - first > 1) { | |
974 | i = first; | |
975 | j = last; | |
976 | for (;;) { | |
977 | while (++i < last && ((AliVParticle*)a[i])->Pt() > ((AliVParticle*)a[first])->Pt() ) | |
978 | ; | |
979 | while (--j > first && ((AliVParticle*)a[j])->Pt() < ((AliVParticle*)a[first])->Pt() ) | |
980 | ; | |
981 | if (i >= j) | |
982 | break; | |
983 | ||
984 | tmp = a[i]; | |
985 | a[i] = a[j]; | |
986 | a[j] = tmp; | |
987 | } | |
988 | if (j == first) { | |
989 | ++first; | |
990 | continue; | |
991 | } | |
992 | tmp = a[first]; | |
993 | a[first] = a[j]; | |
994 | a[j] = tmp; | |
995 | if (j - first < last - (j + 1)) { | |
996 | QSortTracks(a, first, j); | |
997 | first = j + 1; // QSortTracks(j + 1, last); | |
998 | } else { | |
999 | QSortTracks(a, j + 1, last); | |
1000 | last = j; // QSortTracks(first, j); | |
1001 | } | |
1002 | } | |
1003 | } | |
1004 | ||
1005 | //____________________________________________________________________ | |
1006 | void AliAnalysisTaskUE::SetRegionArea(TVector3 *jetVect) | |
1007 | { | |
1008 | Double_t fAreaCorrFactor=0.; | |
1009 | Double_t deltaEta = 0.; | |
1010 | if (fRegionType==1) fAreaReg = 2.*fTrackEtaCut*60.*TMath::Pi()/180.; | |
1011 | else if (fRegionType==2){ | |
1012 | deltaEta = 0.9-TMath::Abs(jetVect[0].Eta()); | |
1013 | if (deltaEta>fConeRadius) fAreaReg = TMath::Pi()*fConeRadius*fConeRadius; | |
1014 | else{ | |
1015 | fAreaCorrFactor = fConeRadius*fConeRadius*TMath::ACos(deltaEta/fConeRadius) - | |
1016 | (deltaEta*fConeRadius)*TMath::Sqrt( 1. - deltaEta*deltaEta/(fConeRadius*fConeRadius)); | |
1017 | fAreaReg=TMath::Pi()*fConeRadius*fConeRadius-fAreaCorrFactor; | |
1018 | } | |
1019 | }else AliWarning("Unknown Rgion Type"); | |
623ed0a0 | 1020 | if (fDebug>10) AliInfo(Form("\n dEta=%5.3f Angle =%5.3f Region Area = %5.3f Corr Factor=%5.4f \n",deltaEta,TMath::ACos(deltaEta/fConeRadius),fAreaReg,fAreaCorrFactor)); |
6ef5bfa4 | 1021 | } |
1022 | ||
f3050824 | 1023 | //____________________________________________________________________ |
1024 | void AliAnalysisTaskUE::CreateHistos() | |
1025 | { | |
1026 | fListOfHistos = new TList(); | |
1027 | ||
1028 | ||
9d9a3c85 | 1029 | fhNJets = new TH1F("fhNJets", "n Jet", 20, 0, 20); |
f3050824 | 1030 | fhNJets->SetXTitle("# of jets"); |
1031 | fhNJets->Sumw2(); | |
f3050824 | 1032 | fListOfHistos->Add( fhNJets ); // At(0) |
1033 | ||
1034 | fhEleadingPt = new TH1F("hEleadingPt", "Leading Jet P_{T}", fBinsPtInHist, fMinJetPtInHist, fMaxJetPtInHist); | |
1035 | fhEleadingPt->SetXTitle("P_{T} (GeV/c)"); | |
1036 | fhEleadingPt->SetYTitle("dN/dP_{T}"); | |
1037 | fhEleadingPt->Sumw2(); | |
1038 | fListOfHistos->Add( fhEleadingPt ); // At(1) | |
1039 | ||
1040 | fhMinRegPtDist = new TH1F("hMinRegPtDist", "P_{T} distribution in Min zone", 50,0.,20.); | |
1041 | fhMinRegPtDist->SetXTitle("P_{T} (GeV/c)"); | |
1042 | fhMinRegPtDist->SetYTitle("dN/dP_{T}"); | |
1043 | fhMinRegPtDist->Sumw2(); | |
1044 | fListOfHistos->Add( fhMinRegPtDist ); // At(2) | |
1045 | ||
1046 | fhRegionMultMin = new TH1F("hRegionMultMin", "N_{ch}^{90, min}", 21, -0.5, 20.5); | |
1047 | fhRegionMultMin->SetXTitle("N_{ch tracks}"); | |
1048 | fhRegionMultMin->Sumw2(); | |
1049 | fListOfHistos->Add( fhRegionMultMin ); // At(3) | |
1050 | ||
1051 | fhMinRegAvePt = new TH1F("hMinRegAvePt", "#LTp_{T}#GT", 50, 0., 20.); | |
1052 | fhMinRegAvePt->SetXTitle("P_{T} (GeV/c)"); | |
1053 | fhMinRegAvePt->Sumw2(); | |
1054 | fListOfHistos->Add( fhMinRegAvePt ); // At(4) | |
1055 | ||
1056 | fhMinRegSumPt = new TH1F("hMinRegSumPt", "#Sigma p_{T} ", 50, 0., 20.); | |
1057 | fhMinRegSumPt->SetYTitle("Ed^{3}N_{tracks}/dp^{3} (c^{3}/GeV^{2})"); | |
1058 | fhMinRegSumPt->SetXTitle("#Sigma p_{T} (GeV/c)"); | |
1059 | fhMinRegSumPt->Sumw2(); | |
1060 | fListOfHistos->Add( fhMinRegSumPt ); // At(5) | |
6ef5bfa4 | 1061 | |
f3050824 | 1062 | fhMinRegMaxPtPart = new TH1F("hMinRegMaxPtPart", "max(p_{T})|_{event} ", 50, 0., 20.); |
1063 | fhMinRegMaxPtPart->SetYTitle("Ed^{3}N_{tracks}/dp^{3} (c^{3}/GeV^{2})"); | |
1064 | fhMinRegMaxPtPart->SetXTitle("p_{T} (GeV/c)"); | |
1065 | fhMinRegMaxPtPart->Sumw2(); | |
1066 | fListOfHistos->Add( fhMinRegMaxPtPart ); // At(6) | |
1067 | ||
1068 | fhMinRegSumPtvsMult = new TH1F("hMinRegSumPtvsMult", "#Sigma p_{T} vs. Multiplicity ", 21, -0.5, 20.5); | |
1069 | fhMinRegSumPtvsMult->SetYTitle("#Sigma p_{T} (GeV/c)"); | |
1070 | fhMinRegSumPtvsMult->SetXTitle("N_{charge}"); | |
1071 | fhMinRegSumPtvsMult->Sumw2(); | |
1072 | fListOfHistos->Add( fhMinRegSumPtvsMult ); // At(7); | |
6ef5bfa4 | 1073 | |
9d9a3c85 | 1074 | fhdNdEtaPhiDist = new TH2F("hdNdEtaPhiDist", Form("Charge particle density |#eta|<%3.1f vs #Delta#phi", fTrackEtaCut), |
1075 | 62, 0., 2.*TMath::Pi(), fBinsPtInHist, fMinJetPtInHist, fMaxJetPtInHist); | |
de6f8090 | 1076 | fhdNdEtaPhiDist->SetXTitle("#Delta#phi"); |
9d9a3c85 | 1077 | fhdNdEtaPhiDist->SetYTitle("Leading Jet P_{T}"); |
de6f8090 | 1078 | fhdNdEtaPhiDist->Sumw2(); |
1079 | fListOfHistos->Add( fhdNdEtaPhiDist ); // At(8) | |
6ef5bfa4 | 1080 | |
f3050824 | 1081 | // Can be use to get part pt distribution for differente Jet Pt bins |
9d9a3c85 | 1082 | fhFullRegPartPtDistVsEt = new TH2F("hFullRegPartPtDistVsEt", Form( "dN/dP_{T} |#eta|<%3.1f vs Leading Jet P_{T}", fTrackEtaCut), |
1083 | 100,0.,50., fBinsPtInHist, fMinJetPtInHist, fMaxJetPtInHist); | |
f3050824 | 1084 | fhFullRegPartPtDistVsEt->SetYTitle("Leading Jet P_{T}"); |
1085 | fhFullRegPartPtDistVsEt->SetXTitle("p_{T}"); | |
1086 | fhFullRegPartPtDistVsEt->Sumw2(); | |
1087 | fListOfHistos->Add( fhFullRegPartPtDistVsEt ); // At(9) | |
6ef5bfa4 | 1088 | |
1089 | // Can be use to get part pt distribution for differente Jet Pt bins | |
9d9a3c85 | 1090 | fhTransRegPartPtDistVsEt = new TH2F("hTransRegPartPtDistVsEt", Form( "dN/dP_{T} in tranvese regions |#eta|<%3.1f vs Leading Jet P_{T}", fTrackEtaCut), |
1091 | 100,0.,50., fBinsPtInHist, fMinJetPtInHist, fMaxJetPtInHist); | |
f3050824 | 1092 | fhTransRegPartPtDistVsEt->SetYTitle("Leading Jet P_{T}"); |
1093 | fhTransRegPartPtDistVsEt->SetXTitle("p_{T}"); | |
1094 | fhTransRegPartPtDistVsEt->Sumw2(); | |
1095 | fListOfHistos->Add( fhTransRegPartPtDistVsEt ); // At(10) | |
1096 | ||
1097 | ||
1098 | fhRegionSumPtMaxVsEt = new TH1F("hRegionSumPtMaxVsEt", "P_{T}^{90, max} vs Leading Jet P_{T}", fBinsPtInHist, fMinJetPtInHist, fMaxJetPtInHist); | |
1099 | fhRegionSumPtMaxVsEt->SetXTitle("P_{T} (GeV/c)"); | |
1100 | fhRegionSumPtMaxVsEt->Sumw2(); | |
1101 | fListOfHistos->Add( fhRegionSumPtMaxVsEt ); // At(11) | |
6ef5bfa4 | 1102 | |
f3050824 | 1103 | fhRegionSumPtMinVsEt = new TH1F("hRegionSumPtMinVsEt", "P_{T}^{90, min} vs Leading Jet P_{T}", fBinsPtInHist, fMinJetPtInHist, fMaxJetPtInHist); |
1104 | fhRegionSumPtMinVsEt->SetXTitle("P_{T} (GeV/c)"); | |
1105 | fhRegionSumPtMinVsEt->Sumw2(); | |
1106 | fListOfHistos->Add( fhRegionSumPtMinVsEt ); // At(12) | |
1107 | ||
1108 | fhRegionMultMax = new TH1I("hRegionMultMax", "N_{ch}^{90, max}", 21, -0.5, 20.5); | |
1109 | fhRegionMultMax->SetXTitle("N_{ch tracks}"); | |
1110 | fhRegionMultMax->Sumw2(); | |
1111 | fListOfHistos->Add( fhRegionMultMax ); // At(13) | |
6ef5bfa4 | 1112 | |
f3050824 | 1113 | fhRegionMultMaxVsEt = new TH1F("hRegionMultMaxVsEt", "N_{ch}^{90, max} vs Leading Jet P_{T}", fBinsPtInHist, fMinJetPtInHist, fMaxJetPtInHist); |
1114 | fhRegionMultMaxVsEt->SetXTitle("E (GeV hRegionAveSumPtVsEt/c)"); | |
1115 | fhRegionMultMaxVsEt->Sumw2(); | |
1116 | fListOfHistos->Add( fhRegionMultMaxVsEt ); // At(14) | |
6ef5bfa4 | 1117 | |
f3050824 | 1118 | fhRegionMultMinVsEt = new TH1F("hRegionMultMinVsEt", "N_{ch}^{90, min} vs Leading Jet P_{T}", fBinsPtInHist, fMinJetPtInHist, fMaxJetPtInHist); |
1119 | fhRegionMultMinVsEt->SetXTitle("E (GeV/c)"); | |
1120 | fhRegionMultMinVsEt->Sumw2(); | |
1121 | fListOfHistos->Add( fhRegionMultMinVsEt ); // At(15) | |
6ef5bfa4 | 1122 | |
f3050824 | 1123 | fhRegionAveSumPtVsEt = new TH1F("hRegionAveSumPtVsEt", "(P_{T}^{90, max} + P_{T}^{90, min})/2 vs Leading Jet P_{T}", fBinsPtInHist, fMinJetPtInHist, fMaxJetPtInHist); |
1124 | fhRegionAveSumPtVsEt->SetXTitle("P_{T} (GeV/c)"); | |
1125 | fhRegionAveSumPtVsEt->Sumw2(); | |
1126 | fListOfHistos->Add( fhRegionAveSumPtVsEt ); // At(16) | |
6ef5bfa4 | 1127 | |
f3050824 | 1128 | fhRegionDiffSumPtVsEt= new TH1F("hRegionPtDiffVsEt", "(P_{T}^{90, max} - P_{T}^{90, min}) vs Leading Jet P_{T}", fBinsPtInHist, fMinJetPtInHist, fMaxJetPtInHist); |
1129 | fhRegionDiffSumPtVsEt->SetXTitle("P_{T} (GeV/c)"); | |
1130 | fhRegionDiffSumPtVsEt->Sumw2(); | |
1131 | fListOfHistos->Add( fhRegionDiffSumPtVsEt ); // At(17) | |
1132 | ||
1133 | fhRegionAvePartPtMaxVsEt = new TH1F("hRegionAvePartPtMaxVsEt", "#LTp_{T}#GT^{90, max} vs Leading Jet P_{T}", fBinsPtInHist, fMinJetPtInHist, fMaxJetPtInHist); | |
1134 | fhRegionAvePartPtMaxVsEt->SetXTitle("P_{T} (GeV/c)"); | |
1135 | fhRegionAvePartPtMaxVsEt->Sumw2(); | |
1136 | fListOfHistos->Add( fhRegionAvePartPtMaxVsEt ); // At(18) | |
6ef5bfa4 | 1137 | |
f3050824 | 1138 | fhRegionAvePartPtMinVsEt = new TH1F("hRegionAvePartPtMinVsEt", "#LTp_{T}#GT^{90, min} vs Leading Jet P_{T}", fBinsPtInHist, fMinJetPtInHist, fMaxJetPtInHist); |
1139 | fhRegionAvePartPtMinVsEt->SetXTitle("P_{T} (GeV/c)"); | |
1140 | fhRegionAvePartPtMinVsEt->Sumw2(); | |
1141 | fListOfHistos->Add( fhRegionAvePartPtMinVsEt ); // At(19) | |
6ef5bfa4 | 1142 | |
f3050824 | 1143 | fhRegionMaxPartPtMaxVsEt = new TH1F("hRegionMaxPartPtMaxVsEt", "max(p_{T})^{90} vs Leading Jet P_{T}", fBinsPtInHist, fMinJetPtInHist, fMaxJetPtInHist); |
1144 | fhRegionMaxPartPtMaxVsEt->SetXTitle("P_{T} (GeV/c)"); | |
1145 | fhRegionMaxPartPtMaxVsEt->Sumw2(); | |
1146 | fListOfHistos->Add( fhRegionMaxPartPtMaxVsEt ); // At(20) | |
6ef5bfa4 | 1147 | |
623ed0a0 | 1148 | fh1Xsec = new TProfile("fh1Xsec","xsec from pyxsec.root",1,0,1); |
1149 | fh1Xsec->GetXaxis()->SetBinLabel(1,"<#sigma>"); | |
1150 | fh1Xsec->Sumw2(); | |
1151 | fListOfHistos->Add( fh1Xsec ); //At(21) | |
1152 | ||
1153 | fh1Trials = new TH1F("fh1Trials","trials from pyxsec.root",1,0,1); | |
1154 | fh1Trials->GetXaxis()->SetBinLabel(1,"#sum{ntrials}"); | |
1155 | fh1Trials->Sumw2(); | |
1156 | fListOfHistos->Add( fh1Trials ); //At(22) | |
1e996f55 | 1157 | |
6ef5bfa4 | 1158 | fSettingsTree = new TTree("UEAnalysisSettings","Analysis Settings in UE estimation"); |
5c1827c4 | 1159 | fSettingsTree->Branch("fFilterBit", &fFilterBit,"FilterBit/I"); |
1c796df8 | 1160 | fSettingsTree->Branch("fTrigger", &fTrigger,"TriggerFlag/I"); |
1e996f55 | 1161 | fSettingsTree->Branch("fConeRadius", &fConeRadius,"Rad/D"); |
1162 | fSettingsTree->Branch("fJet1EtaCut", &fJet1EtaCut, "LeadJetEtaCut/D"); | |
1163 | fSettingsTree->Branch("fJet2DeltaPhiCut", &fJet2DeltaPhiCut, "DeltaPhi/D"); | |
1164 | fSettingsTree->Branch("fJet2RatioPtCut", &fJet2RatioPtCut, "Jet2Ratio/D"); | |
1165 | fSettingsTree->Branch("fJet3PtCut", &fJet3PtCut, "Jet3PtCut/D"); | |
1166 | fSettingsTree->Branch("fTrackPtCut", &fTrackPtCut, "TrackPtCut/D"); | |
1167 | fSettingsTree->Branch("fTrackEtaCut", &fTrackEtaCut, "TrackEtaCut/D"); | |
1168 | fSettingsTree->Branch("fAnaType", &fAnaType, "Ana/I"); | |
1169 | fSettingsTree->Branch("fRegionType", &fRegionType,"Reg/I"); | |
1170 | fSettingsTree->Branch("fOrdering", &fOrdering,"OrderMeth/I"); | |
1171 | fSettingsTree->Branch("fUseChPartJet", &fUseChPartJet,"UseChPart/O"); | |
9d9a3c85 | 1172 | fSettingsTree->Branch("fUseChargeHadrons", &fUseChargeHadrons,"UseChHadrons/O"); |
1e996f55 | 1173 | fSettingsTree->Branch("fUseSingleCharge", &fUseSingleCharge,"UseSingleCh/O"); |
1174 | fSettingsTree->Branch("fUsePositiveCharge", &fUsePositiveCharge,"UsePositiveCh/O"); | |
1175 | fSettingsTree->Fill(); | |
1176 | ||
1177 | ||
623ed0a0 | 1178 | fListOfHistos->Add( fSettingsTree ); // At(23) |
6ef5bfa4 | 1179 | |
1180 | /* | |
1181 | // For debug region selection | |
1182 | fhValidRegion = new TH2F("hValidRegion", "dN/d#eta/d#phi", | |
1183 | 20, -2.,2., 62, -TMath::Pi(), TMath::Pi()); | |
1184 | fhValidRegion->SetYTitle("#Delta#phi"); | |
1185 | fhValidRegion->Sumw2(); | |
1186 | fListOfHistos->Add( fhValidRegion ); // At(15) | |
1187 | */ | |
f3050824 | 1188 | } |
f3050824 | 1189 | |
e1060f2b | 1190 | |
1191 | ||
6ef5bfa4 | 1192 | //____________________________________________________________________ |
1193 | void AliAnalysisTaskUE::Terminate(Option_t */*option*/) | |
1194 | { | |
1195 | // Terminate analysis | |
1196 | // | |
1197 | ||
1198 | //Save Analysis Settings | |
1e996f55 | 1199 | // WriteSettings(); |
6ef5bfa4 | 1200 | |
1201 | // Normalize histos to region area TODO: | |
1202 | // Normalization done at Analysis, taking into account | |
1203 | // area variations on per-event basis (cone case) | |
1204 | ||
1205 | // Draw some Test plot to the screen | |
1206 | if (!gROOT->IsBatch()) { | |
1207 | ||
1208 | // Update pointers reading them from the output slot | |
1209 | fListOfHistos = dynamic_cast<TList*> (GetOutputData(0)); | |
1210 | if( !fListOfHistos ) { | |
1211 | AliError("Histogram List is not available"); | |
1212 | return; | |
1213 | } | |
9d9a3c85 | 1214 | fhNJets = (TH1F*)fListOfHistos->At(0); |
6ef5bfa4 | 1215 | fhEleadingPt = (TH1F*)fListOfHistos->At(1); |
9d9a3c85 | 1216 | fhdNdEtaPhiDist = (TH2F*)fListOfHistos->At(8); |
6ef5bfa4 | 1217 | fhRegionSumPtMaxVsEt = (TH1F*)fListOfHistos->At(11); |
1218 | fhRegionSumPtMinVsEt = (TH1F*)fListOfHistos->At(12); | |
1219 | fhRegionMultMaxVsEt = (TH1F*)fListOfHistos->At(14); | |
1220 | fhRegionMultMinVsEt = (TH1F*)fListOfHistos->At(15); | |
1221 | fhRegionAveSumPtVsEt = (TH1F*)fListOfHistos->At(16); | |
1222 | ||
623ed0a0 | 1223 | //fhValidRegion = (TH2F*)fListOfHistos->At(21); |
1224 | ||
6ef5bfa4 | 1225 | // Canvas |
623ed0a0 | 1226 | TCanvas* c1 = new TCanvas("c1",Form("sumPt dist (%s)", GetTitle()),60,60,1100,700); |
6ef5bfa4 | 1227 | c1->Divide(2,2); |
1228 | c1->cd(1); | |
1229 | TH1F *h1r = new TH1F("hRegionEtvsSumPtMax" , "", fBinsPtInHist, fMinJetPtInHist, fMaxJetPtInHist); | |
1230 | h1r->Divide(fhRegionSumPtMaxVsEt,fhEleadingPt,1,1); | |
1231 | //h1r->Scale( areafactor ); | |
1232 | h1r->SetMarkerStyle(20); | |
1233 | h1r->SetXTitle("P_{T} of Leading Jet (GeV/c)"); | |
1234 | h1r->SetYTitle("P_{T}^{90, max}"); | |
1235 | h1r->DrawCopy("p"); | |
1236 | ||
1237 | c1->cd(2); | |
1238 | ||
1239 | TH1F *h2r = new TH1F("hRegionEtvsSumPtMin" , "", fBinsPtInHist, fMinJetPtInHist, fMaxJetPtInHist); | |
1240 | h2r->Divide(fhRegionSumPtMinVsEt,fhEleadingPt,1,1); | |
1241 | //h2r->Scale( areafactor ); | |
1242 | h2r->SetMarkerStyle(20); | |
1243 | h2r->SetXTitle("P_{T} of Leading Jet (GeV/c)"); | |
1244 | h2r->SetYTitle("P_{T}^{90, min}"); | |
1245 | h2r->DrawCopy("p"); | |
1246 | ||
1247 | c1->cd(3); | |
1248 | TH1F *h4r = new TH1F("hRegionEtvsDiffPt" , "", fBinsPtInHist, fMinJetPtInHist, fMaxJetPtInHist); | |
1249 | h4r->Divide(fhRegionAveSumPtVsEt,fhEleadingPt,1,1); | |
1250 | h4r->Scale(2.); // make average | |
1251 | //h4r->Scale( areafactor ); | |
1252 | h4r->SetYTitle("#DeltaP_{T}^{90}"); | |
1253 | h4r->SetXTitle("P_{T} of Leading Jet (GeV/c)"); | |
1254 | h4r->SetMarkerStyle(20); | |
1255 | h4r->DrawCopy("p"); | |
1256 | ||
1257 | c1->cd(4); | |
1258 | TH1F *h5r = new TH1F("hRegionMultMaxVsEtleading", "", fBinsPtInHist, fMinJetPtInHist, fMaxJetPtInHist); | |
1259 | TH1F *h6r = new TH1F("hRegionMultMinVsEtleading", "", fBinsPtInHist, fMinJetPtInHist, fMaxJetPtInHist); | |
1260 | ||
1261 | h5r->Divide(fhRegionMultMaxVsEt,fhEleadingPt,1,1); | |
1262 | h6r->Divide(fhRegionMultMinVsEt,fhEleadingPt,1,1); | |
1263 | //h5r->Scale( areafactor ); | |
1264 | //h6r->Scale( areafactor ); | |
1265 | h5r->SetYTitle("N_{Tracks}^{90}"); | |
1266 | h5r->SetXTitle("P_{T} of Leading Jet (GeV/c)"); | |
1267 | h5r->SetMarkerStyle(20); | |
1268 | h5r->DrawCopy("p"); | |
1269 | h6r->SetMarkerStyle(21); | |
1270 | h6r->SetMarkerColor(2); | |
1271 | h6r->SetYTitle("N_{Tracks}^{90}"); | |
1272 | h6r->SetXTitle("P_{T} of Leading Jet (GeV/c)"); | |
1273 | h6r->DrawCopy("p same"); | |
1274 | c1->Update(); | |
1275 | ||
623ed0a0 | 1276 | //Get Normalization |
1277 | fh1Xsec = (TProfile*)fListOfHistos->At(21); | |
1278 | fh1Trials = (TH1F*)fListOfHistos->At(22); | |
1279 | ||
1280 | Double_t xsec = fh1Xsec->GetBinContent(1); | |
1281 | Double_t ntrials = fh1Trials->GetBinContent(1); | |
1282 | Double_t normFactor = xsec/ntrials; | |
6b7d2b7e | 1283 | if(fDebug > 1)Printf("xSec %f nTrials %f Norm %f \n",xsec,ntrials,normFactor); |
623ed0a0 | 1284 | |
1285 | ||
6ef5bfa4 | 1286 | TCanvas* c2 = new TCanvas("c2","Jet Pt dist",160,160,1200,800); |
1287 | c2->Divide(2,2); | |
1288 | c2->cd(1); | |
1289 | fhEleadingPt->SetMarkerStyle(20); | |
1290 | fhEleadingPt->SetMarkerColor(2); | |
9d9a3c85 | 1291 | if( normFactor > 0.) fhEleadingPt->Scale(normFactor); |
623ed0a0 | 1292 | //fhEleadingPt->Draw("p"); |
6ef5bfa4 | 1293 | fhEleadingPt->DrawCopy("p"); |
1294 | gPad->SetLogy(); | |
1295 | ||
1296 | c2->cd(2); | |
9d9a3c85 | 1297 | Int_t xbin1 = fhdNdEtaPhiDist->GetYaxis()->FindFixBin(fMinJetPtInHist); |
1298 | Int_t xbin2 = fhdNdEtaPhiDist->GetYaxis()->FindFixBin(fMaxJetPtInHist); | |
1299 | TH1D* dNdEtaPhiDistAllJets = fhdNdEtaPhiDist->ProjectionX("dNdEtaPhiDistAllJets",xbin1,xbin2); | |
1300 | dNdEtaPhiDistAllJets->SetMarkerStyle(20); | |
1301 | dNdEtaPhiDistAllJets->SetMarkerColor(2); | |
1302 | dNdEtaPhiDistAllJets->DrawCopy("p"); | |
6ef5bfa4 | 1303 | gPad->SetLogy(); |
1304 | ||
1305 | c2->cd(3); | |
1306 | fhNJets->DrawCopy(); | |
1307 | ||
623ed0a0 | 1308 | //c2->cd(4); |
1309 | //fhValidRegion->DrawCopy("p"); | |
1310 | ||
6ef5bfa4 | 1311 | //fhTransRegPartPtDist = (TH1F*)fListOfHistos->At(2); |
1312 | fhRegionMultMin = (TH1F*)fListOfHistos->At(3); | |
1313 | fhMinRegAvePt = (TH1F*)fListOfHistos->At(4); | |
1314 | fhMinRegSumPt = (TH1F*)fListOfHistos->At(5); | |
1315 | //fhMinRegMaxPtPart = (TH1F*)fListOfHistos->At(6); | |
1316 | fhMinRegSumPtvsMult = (TH1F*)fListOfHistos->At(7); | |
1317 | ||
1318 | // Canvas | |
623ed0a0 | 1319 | TCanvas* c3 = new TCanvas("c3"," pT dist",160,160,1200,800); |
6ef5bfa4 | 1320 | c3->Divide(2,2); |
1321 | c3->cd(1); | |
1322 | /*fhTransRegPartPtDist->SetMarkerStyle(20); | |
1323 | fhTransRegPartPtDist->SetMarkerColor(2); | |
1324 | fhTransRegPartPtDist->Scale(areafactor/fhTransRegPartPtDist->GetEntries()); | |
1325 | fhTransRegPartPtDist->DrawCopy("p"); | |
1326 | gPad->SetLogy(); | |
1327 | */ | |
1328 | c3->cd(2); | |
1329 | fhMinRegSumPt->SetMarkerStyle(20); | |
1330 | fhMinRegSumPt->SetMarkerColor(2); | |
1331 | //fhMinRegSumPt->Scale(areafactor); | |
1332 | fhMinRegSumPt->DrawCopy("p"); | |
1333 | gPad->SetLogy(); | |
1334 | ||
1335 | c3->cd(3); | |
1336 | fhMinRegAvePt->SetMarkerStyle(20); | |
1337 | fhMinRegAvePt->SetMarkerColor(2); | |
1338 | //fhMinRegAvePt->Scale(areafactor); | |
1339 | fhMinRegAvePt->DrawCopy("p"); | |
1340 | gPad->SetLogy(); | |
1341 | ||
1342 | c3->cd(4); | |
1343 | ||
1344 | TH1F *h7r = new TH1F("hRegionMultMinVsMult", "", 21, -0.5, 20.5); | |
1345 | ||
1346 | h7r->Divide(fhMinRegSumPtvsMult,fhRegionMultMin,1,1); | |
1347 | ||
1348 | h7r->SetMarkerStyle(20); | |
1349 | h7r->SetMarkerColor(2); | |
1350 | h7r->DrawCopy("p"); | |
1351 | ||
1352 | c3->Update(); | |
1353 | ||
1354 | ||
1355 | /* c2->cd(3); | |
1356 | fhValidRegion->SetMarkerStyle(20); | |
1357 | fhValidRegion->SetMarkerColor(2); | |
1358 | fhValidRegion->DrawCopy("p"); | |
1359 | */ | |
1360 | c2->Update(); | |
1361 | } else { | |
1362 | AliInfo(" Batch mode, not histograms will be shown..."); | |
1363 | } | |
1364 | ||
1365 | if( fDebug > 1 ) | |
1366 | AliInfo("End analysis"); | |
1367 | ||
1368 | } | |
f3050824 | 1369 | |
6ef5bfa4 | 1370 | void AliAnalysisTaskUE::WriteSettings() |
1e996f55 | 1371 | { |
6ef5bfa4 | 1372 | if (fDebug>5){ |
1373 | AliInfo(" All Analysis Settings in Saved Tree"); | |
1374 | fSettingsTree->Scan(); | |
1375 | } | |
1376 | } |