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e0331fd9 | 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 | /* $Id:$ */ | |
17 | ||
18 | #include <TROOT.h> | |
19 | #include <TChain.h> | |
20 | #include <TFile.h> | |
21 | #include <TList.h> | |
22 | #include <TMath.h> | |
23 | #include <TTree.h> | |
24 | #include <TH2F.h> | |
ebda4319 | 25 | #include <TH3F.h> |
e0331fd9 | 26 | #include <TRandom.h> |
27 | ||
28 | #include "AliAnalysisTaskPhiCorrelations.h" | |
29 | #include "AliAnalyseLeadingTrackUE.h" | |
30 | #include "AliUEHistograms.h" | |
31 | #include "AliUEHist.h" | |
32 | ||
e0331fd9 | 33 | #include "AliAnalysisManager.h" |
34 | #include "AliAODHandler.h" | |
35 | #include "AliAODInputHandler.h" | |
36 | #include "AliAODMCParticle.h" | |
e0331fd9 | 37 | #include "AliInputEventHandler.h" |
38 | #include "AliLog.h" | |
39 | #include "AliMCEventHandler.h" | |
40 | #include "AliVParticle.h" | |
2a910c25 | 41 | #include "AliCFContainer.h" |
e0331fd9 | 42 | |
43 | #include "AliESDEvent.h" | |
44 | #include "AliESDInputHandler.h" | |
45 | #include "AliMultiplicity.h" | |
2a910c25 | 46 | #include "AliCentrality.h" |
47 | #include "AliStack.h" | |
7dd4dec4 | 48 | #include "AliAODMCHeader.h" |
1ccd8a0a | 49 | #include "AliGenCocktailEventHeader.h" |
50 | #include "AliGenEventHeader.h" | |
e0331fd9 | 51 | |
2a910c25 | 52 | #include "AliEventPoolManager.h" |
e0331fd9 | 53 | |
d728f490 | 54 | #include "AliESDZDC.h" |
3bbad7c1 | 55 | #include "AliESDtrackCuts.h" |
d728f490 | 56 | |
e0331fd9 | 57 | |
58 | //////////////////////////////////////////////////////////////////////// | |
59 | // | |
60 | // Analysis class for azimuthal correlation studies | |
61 | // Based on the UE task from Sara Vallero and Jan Fiete | |
62 | // | |
63 | // This class needs input AODs. | |
64 | // The output is a list of analysis-specific containers. | |
65 | // | |
66 | // The AOD can be either connected to the InputEventHandler | |
67 | // for a chain of AOD files | |
68 | // or | |
69 | // to the OutputEventHandler | |
70 | // for a chain of ESD files, | |
71 | // in this case the class should be in the train after the jet-finder | |
72 | // | |
73 | // Authors: | |
74 | // Jan Fiete Grosse-Oetringhaus | |
75 | // | |
76 | //////////////////////////////////////////////////////////////////////// | |
77 | ||
78 | ||
79 | ClassImp( AliAnalysisTaskPhiCorrelations ) | |
a1c31636 | 80 | ClassImp( AliDPhiBasicParticle ) |
e0331fd9 | 81 | |
82 | //____________________________________________________________________ | |
83 | AliAnalysisTaskPhiCorrelations:: AliAnalysisTaskPhiCorrelations(const char* name): | |
84 | AliAnalysisTask(name,""), | |
85 | // general configuration | |
86 | fDebug(0), | |
87 | fMode(0), | |
88 | fReduceMemoryFootprint(kFALSE), | |
eed401dc | 89 | fFillMixed(kTRUE), |
ac647b0f | 90 | fMixingTracks(50000), |
c3294f09 | 91 | fCompareCentralities(kFALSE), |
1bba939a | 92 | fTwoTrackEfficiencyStudy(kFALSE), |
d4b3dbfc | 93 | fTwoTrackEfficiencyCut(0), |
44af28f9 | 94 | fUseVtxAxis(kFALSE), |
9894bedd | 95 | fCourseCentralityBinning(kFALSE), |
04af8d15 | 96 | fSkipTrigger(kFALSE), |
1ccd8a0a | 97 | fInjectedSignals(kFALSE), |
e0331fd9 | 98 | // pointers to UE classes |
99 | fAnalyseUE(0x0), | |
100 | fHistos(0x0), | |
101 | fHistosMixed(0), | |
13a404ed | 102 | fEfficiencyCorrection(0), |
e0331fd9 | 103 | // handlers and events |
85bfac17 | 104 | fAOD(0x0), |
105 | fESD(0x0), | |
e0331fd9 | 106 | fArrayMC(0x0), |
107 | fInputHandler(0x0), | |
108 | fMcEvent(0x0), | |
109 | fMcHandler(0x0), | |
2a910c25 | 110 | fPoolMgr(0x0), |
e0331fd9 | 111 | // histogram settings |
112 | fListOfHistos(0x0), | |
113 | // event QA | |
114 | fnTracksVertex(1), // QA tracks pointing to principal vertex (= 3 default) | |
85bfac17 | 115 | fZVertex(7.), |
2a910c25 | 116 | fCentralityMethod("V0M"), |
e0331fd9 | 117 | // track cuts |
118 | fTrackEtaCut(0.8), | |
9da2f080 | 119 | fOnlyOneEtaSide(0), |
e0331fd9 | 120 | fPtMin(0.5), |
121 | fFilterBit(0xFF), | |
5cabd2cd | 122 | fSelectBit(AliVEvent::kMB|AliVEvent::kUserDefined), |
2a910c25 | 123 | fUseChargeHadrons(kFALSE), |
c05ff6be | 124 | fSelectCharge(0), |
7a77d480 | 125 | fTriggerSelectCharge(0), |
d38fa455 | 126 | fTriggerRestrictEta(-1), |
00b6f3c6 | 127 | fEtaOrdering(kFALSE), |
b0d56b29 | 128 | fCutConversions(kFALSE), |
129 | fCutResonances(kFALSE), | |
a26093ba | 130 | fFillOnlyStep0(kFALSE), |
131 | fSkipStep6(kFALSE), | |
5e053cad | 132 | fRejectCentralityOutliers(kFALSE), |
f613255f | 133 | fRemoveWeakDecays(kFALSE), |
d6a8903f | 134 | fRemoveDuplicates(kFALSE), |
c05ff6be | 135 | fFillpT(kFALSE) |
e0331fd9 | 136 | { |
137 | // Default constructor | |
138 | // Define input and output slots here | |
139 | // Input slot #0 works with a TChain | |
140 | DefineInput(0, TChain::Class()); | |
141 | // Output slot #0 writes into a TList container | |
142 | DefineOutput(0, TList::Class()); | |
e0331fd9 | 143 | } |
144 | ||
145 | AliAnalysisTaskPhiCorrelations::~AliAnalysisTaskPhiCorrelations() | |
146 | { | |
147 | // destructor | |
148 | ||
149 | if (fListOfHistos && !AliAnalysisManager::GetAnalysisManager()->IsProofMode()) | |
150 | delete fListOfHistos; | |
151 | } | |
152 | ||
153 | //____________________________________________________________________ | |
154 | void AliAnalysisTaskPhiCorrelations::ConnectInputData(Option_t* /*option*/) | |
155 | { | |
156 | ||
157 | // Connect the input data | |
158 | if (fDebug > 1) AliInfo("ConnectInputData() "); | |
159 | ||
160 | // Since AODs can either be connected to the InputEventHandler | |
161 | // or to the OutputEventHandler ( the AOD is created by a previus task in the train ) | |
162 | // we need to get the pointer to the AODEvent correctly. | |
163 | ||
164 | // Delta AODs are also accepted. | |
165 | ||
166 | TObject* handler = AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler(); | |
167 | ||
85bfac17 | 168 | if( handler && handler->InheritsFrom("AliAODInputHandler") ) |
169 | { // input AOD | |
170 | fAOD = ((AliAODInputHandler*)handler)->GetEvent(); | |
171 | if (fDebug > 1) AliInfo(" ==== Tracks and Jets from AliAODInputHandler"); | |
172 | } | |
173 | else | |
174 | { //output AOD | |
175 | handler = AliAnalysisManager::GetAnalysisManager()->GetOutputEventHandler(); | |
176 | if (handler && handler->InheritsFrom("AliAODHandler") ) | |
177 | { | |
178 | fAOD = ((AliAODHandler*)handler)->GetAOD(); | |
179 | if (fDebug > 1) AliInfo(" ==== Tracks and Jets from AliAODHandler"); | |
180 | } | |
181 | else | |
182 | { // no AOD | |
183 | AliWarning("I can't get any AOD Event Handler"); | |
184 | } | |
185 | } | |
186 | ||
187 | if (handler && handler->InheritsFrom("AliESDInputHandler") ) | |
188 | { // input ESD | |
189 | // pointer received per event in ::Exec | |
190 | if (fDebug > 1) AliInfo(" ==== Tracks and Jets from AliESDInputHandler"); | |
191 | } | |
e0331fd9 | 192 | |
193 | // Initialize common pointers | |
194 | Initialize(); | |
e0331fd9 | 195 | } |
196 | ||
197 | //____________________________________________________________________ | |
198 | void AliAnalysisTaskPhiCorrelations::CreateOutputObjects() | |
199 | { | |
200 | // Create the output container | |
201 | ||
202 | if (fDebug > 1) AliInfo("CreateOutputObjects()"); | |
203 | ||
204 | // Initialize class with main algorithms, event and track selection. | |
205 | fAnalyseUE = new AliAnalyseLeadingTrackUE(); | |
2a910c25 | 206 | fAnalyseUE->SetParticleSelectionCriteria(fFilterBit, fUseChargeHadrons, fTrackEtaCut, fPtMin); |
e0331fd9 | 207 | fAnalyseUE->SetDebug(fDebug); |
85bfac17 | 208 | fAnalyseUE->DefineESDCuts(fFilterBit); |
5cabd2cd | 209 | fAnalyseUE->SetEventSelection(fSelectBit); |
e0331fd9 | 210 | |
211 | // Initialize output list of containers | |
212 | if (fListOfHistos != NULL){ | |
213 | delete fListOfHistos; | |
214 | fListOfHistos = NULL; | |
215 | } | |
216 | if (!fListOfHistos){ | |
217 | fListOfHistos = new TList(); | |
218 | fListOfHistos->SetOwner(kTRUE); | |
219 | } | |
220 | ||
221 | // Initialize class to handle histograms | |
9894bedd | 222 | TString histType = "4R"; |
3bbad7c1 | 223 | if (fUseVtxAxis == 1) |
b752706a | 224 | histType = "5R"; |
3bbad7c1 | 225 | else if (fUseVtxAxis == 2) |
226 | histType = "6R"; | |
9894bedd | 227 | if (fCourseCentralityBinning) |
228 | histType += "C"; | |
44af28f9 | 229 | fHistos = new AliUEHistograms("AliUEHistogramsSame", histType); |
230 | fHistosMixed = new AliUEHistograms("AliUEHistogramsMixed", histType); | |
e0331fd9 | 231 | |
2a910c25 | 232 | fHistos->SetSelectCharge(fSelectCharge); |
233 | fHistosMixed->SetSelectCharge(fSelectCharge); | |
234 | ||
afe13b94 | 235 | fHistos->SetSelectTriggerCharge(fTriggerSelectCharge); |
236 | fHistosMixed->SetSelectTriggerCharge(fTriggerSelectCharge); | |
7a77d480 | 237 | |
d38fa455 | 238 | fHistos->SetTriggerRestrictEta(fTriggerRestrictEta); |
239 | fHistosMixed->SetTriggerRestrictEta(fTriggerRestrictEta); | |
240 | ||
9da2f080 | 241 | fHistos->SetOnlyOneEtaSide(fOnlyOneEtaSide); |
242 | fHistosMixed->SetOnlyOneEtaSide(fOnlyOneEtaSide); | |
243 | ||
00b6f3c6 | 244 | fHistos->SetEtaOrdering(fEtaOrdering); |
245 | fHistosMixed->SetEtaOrdering(fEtaOrdering); | |
246 | ||
b0d56b29 | 247 | fHistos->SetPairCuts(fCutConversions, fCutResonances); |
248 | fHistosMixed->SetPairCuts(fCutConversions, fCutResonances); | |
249 | ||
defad170 | 250 | fHistos->SetTrackEtaCut(fTrackEtaCut); |
251 | fHistosMixed->SetTrackEtaCut(fTrackEtaCut); | |
252 | ||
408d1ac9 | 253 | if (fEfficiencyCorrection) |
254 | { | |
255 | fHistos->SetEfficiencyCorrection(fEfficiencyCorrection); | |
256 | fHistosMixed->SetEfficiencyCorrection((THnF*) fEfficiencyCorrection->Clone()); | |
257 | } | |
13a404ed | 258 | |
e0331fd9 | 259 | // add histograms to list |
260 | fListOfHistos->Add(fHistos); | |
261 | fListOfHistos->Add(fHistosMixed); | |
262 | ||
2a910c25 | 263 | fListOfHistos->Add(new TH2F("trackletsVsV0Cent", ";L1 clusters;v0 centrality", 100, -0.5, 9999.5, 101, 0, 101)); |
264 | fListOfHistos->Add(new TH2F("processIDs", ";#Delta#phi;process id", 100, -0.5 * TMath::Pi(), 1.5 * TMath::Pi(), kPNoProcess + 1, -0.5, kPNoProcess + 0.5)); | |
c066889a | 265 | fListOfHistos->Add(new TH1F("eventStat", ";;events", 4, -0.5, 3.5)); |
5614e02f | 266 | fListOfHistos->Add(new TH2F("mixedDist", ";centrality;tracks;events", 101, 0, 101, 200, 0, fMixingTracks * 1.5)); |
b0d56b29 | 267 | fListOfHistos->Add(new TH1F("pids", ";pdg;tracks", 2001, -1000.5, 1000.5)); |
f0a25b1d | 268 | fListOfHistos->Add(new TH2F("referenceMultiplicity", ";centrality;tracks;events", 101, 0, 101, 200, 0, 200)); |
e0331fd9 | 269 | |
1a32ecc0 | 270 | PostData(0,fListOfHistos); |
271 | ||
e0331fd9 | 272 | // Add task configuration to output list |
273 | AddSettingsTree(); | |
274 | ||
2a910c25 | 275 | // event mixing |
ac647b0f | 276 | Int_t trackDepth = fMixingTracks; |
d4b3dbfc | 277 | Int_t poolsize = 1000; // Maximum number of events, ignored in the present implemented of AliEventPoolManager |
c066889a | 278 | |
2a910c25 | 279 | Int_t nCentralityBins = fHistos->GetUEHist(2)->GetEventHist()->GetNBins(1); |
280 | Double_t* centralityBins = (Double_t*) fHistos->GetUEHist(2)->GetEventHist()->GetAxis(1, 0)->GetXbins()->GetArray(); | |
281 | ||
5f54dac4 | 282 | const Int_t kNZvtxBins = 10+(1+10)*4; |
408d1ac9 | 283 | // bins for further buffers are shifted by 100 cm |
5f54dac4 | 284 | Double_t vertexBins[kNZvtxBins+1] = { -10, -8, -6, -4, -2, 0, 2, 4, 6, 8, 10, |
285 | 90, 92, 94, 96, 98, 100, 102, 104, 106, 108, 110, | |
286 | 190, 192, 194, 196, 198, 200, 202, 204, 206, 208, 210, | |
287 | 290, 292, 294, 296, 298, 300, 302, 304, 306, 308, 310, | |
288 | 390, 392, 394, 396, 398, 400, 402, 404, 406, 408, 410 }; | |
289 | ||
290 | Int_t nZvtxBins = kNZvtxBins; | |
eb88bdfe | 291 | Double_t* zvtxbin = vertexBins; |
c066889a | 292 | |
408d1ac9 | 293 | if (fMode == 0 && fHistos->GetUEHist(2)->GetEventHist()->GetNVar() > 2) |
eb88bdfe | 294 | { |
295 | nZvtxBins = fHistos->GetUEHist(2)->GetEventHist()->GetNBins(2); | |
296 | zvtxbin = (Double_t*) fHistos->GetUEHist(2)->GetEventHist()->GetAxis(2, 0)->GetXbins()->GetArray(); | |
297 | } | |
85bfac17 | 298 | |
2a910c25 | 299 | fPoolMgr = new AliEventPoolManager(poolsize, trackDepth, nCentralityBins, centralityBins, nZvtxBins, zvtxbin); |
e0331fd9 | 300 | } |
301 | ||
302 | //____________________________________________________________________ | |
303 | void AliAnalysisTaskPhiCorrelations::Exec(Option_t */*option*/) | |
304 | { | |
85bfac17 | 305 | // receive ESD pointer if we are not running AOD analysis |
306 | if (!fAOD) | |
307 | { | |
308 | AliVEventHandler* handler = AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler(); | |
309 | if (handler && handler->InheritsFrom("AliESDInputHandler")) | |
310 | fESD = ((AliESDInputHandler*)handler)->GetEvent(); | |
311 | } | |
312 | ||
7dd4dec4 | 313 | if (fMode) |
314 | { | |
315 | // correction mode | |
316 | ||
317 | if (fMcHandler) | |
318 | fMcEvent = fMcHandler->MCEvent(); | |
319 | ||
320 | if (fAOD) | |
321 | { | |
322 | // array of MC particles | |
323 | fArrayMC = dynamic_cast<TClonesArray*>(fAOD->FindListObject(AliAODMCParticle::StdBranchName())); | |
324 | if (!fArrayMC) | |
325 | AliFatal("No array of MC particles found !!!"); | |
326 | } | |
327 | ||
328 | AnalyseCorrectionMode(); | |
329 | } | |
e0331fd9 | 330 | else AnalyseDataMode(); |
e0331fd9 | 331 | } |
332 | ||
333 | /******************** ANALYSIS METHODS *****************************/ | |
334 | ||
335 | //____________________________________________________________________ | |
336 | void AliAnalysisTaskPhiCorrelations::AddSettingsTree() | |
337 | { | |
338 | //Write settings to output list | |
339 | TTree *settingsTree = new TTree("UEAnalysisSettings","Analysis Settings in UE estimation"); | |
c05ff6be | 340 | settingsTree->Branch("fnTracksVertex", &fnTracksVertex,"nTracksVertex/I"); |
341 | settingsTree->Branch("fZVertex", &fZVertex,"ZVertex/D"); | |
342 | //settingsTree->Branch("fCentralityMethod", fCentralityMethod.Data(),"CentralityMethod/C"); | |
e0331fd9 | 343 | settingsTree->Branch("fTrackEtaCut", &fTrackEtaCut, "TrackEtaCut/D"); |
9da2f080 | 344 | settingsTree->Branch("fOnlyOneEtaSide", &fOnlyOneEtaSide,"OnlyOneEtaSide/I"); |
e0331fd9 | 345 | settingsTree->Branch("fPtMin", &fPtMin, "PtMin/D"); |
c05ff6be | 346 | settingsTree->Branch("fFilterBit", &fFilterBit,"FilterBit/I"); |
347 | settingsTree->Branch("fSelectBit", &fSelectBit,"EventSelectionBit/I"); | |
e0331fd9 | 348 | settingsTree->Branch("fUseChargeHadrons", &fUseChargeHadrons,"UseChHadrons/O"); |
c05ff6be | 349 | settingsTree->Branch("fSelectCharge", &fSelectCharge,"SelectCharge/I"); |
7a77d480 | 350 | settingsTree->Branch("fTriggerSelectCharge", &fTriggerSelectCharge,"TriggerSelectCharge/I"); |
b0d56b29 | 351 | settingsTree->Branch("fTriggerRestrictEta", &fTriggerRestrictEta,"TriggerRestrictEta/D"); |
00b6f3c6 | 352 | settingsTree->Branch("fEtaOrdering", &fEtaOrdering,"EtaOrdering/O"); |
b0d56b29 | 353 | settingsTree->Branch("fCutConversions", &fCutConversions,"CutConversions/O"); |
354 | settingsTree->Branch("fCutResonances", &fCutResonances,"CutResonances/O"); | |
c05ff6be | 355 | settingsTree->Branch("fFillpT", &fFillpT,"FillpT/O"); |
ac647b0f | 356 | settingsTree->Branch("fMixingTracks", &fMixingTracks,"MixingTracks/I"); |
04af8d15 | 357 | settingsTree->Branch("fSkipTrigger", &fSkipTrigger,"SkipTrigger/O"); |
1ccd8a0a | 358 | settingsTree->Branch("fInjectedSignals", &fInjectedSignals,"SkipTrigger/O"); |
5e053cad | 359 | settingsTree->Branch("fRejectCentralityOutliers", &fRejectCentralityOutliers,"RejectCentralityOutliers/O"); |
f613255f | 360 | settingsTree->Branch("fRemoveWeakDecays", &fRemoveWeakDecays,"RemoveWeakDecays/O"); |
d6a8903f | 361 | settingsTree->Branch("fRemoveDuplicates", &fRemoveDuplicates,"RemoveDuplicates/O"); |
04af8d15 | 362 | |
e0331fd9 | 363 | settingsTree->Fill(); |
364 | fListOfHistos->Add(settingsTree); | |
365 | } | |
366 | ||
367 | //____________________________________________________________________ | |
368 | void AliAnalysisTaskPhiCorrelations::AnalyseCorrectionMode() | |
369 | { | |
370 | // Run the analysis on MC to get the correction maps | |
371 | // | |
372 | ||
2a910c25 | 373 | if ( fDebug > 3 ) AliInfo( " Processing event in Corrections mode ..." ); |
374 | ||
375 | Double_t centrality = 0; | |
376 | ||
377 | if (fCentralityMethod.Length() > 0) | |
378 | { | |
85bfac17 | 379 | AliCentrality *centralityObj = 0; |
380 | if (fAOD) | |
381 | centralityObj = fAOD->GetHeader()->GetCentralityP(); | |
382 | else if (fESD) | |
383 | centralityObj = fESD->GetCentrality(); | |
384 | ||
2a910c25 | 385 | if (centralityObj) |
386 | { | |
387 | centrality = centralityObj->GetCentralityPercentileUnchecked(fCentralityMethod); | |
a8583211 | 388 | AliInfo(Form("Centrality is %f", centrality)); |
2a910c25 | 389 | } |
390 | else | |
391 | { | |
392 | Printf("WARNING: Centrality object is 0"); | |
393 | centrality = -1; | |
394 | } | |
395 | } | |
396 | ||
85bfac17 | 397 | // Support for ESD and AOD based analysis |
398 | AliVEvent* inputEvent = fAOD; | |
399 | if (!inputEvent) | |
400 | inputEvent = fESD; | |
d4b3dbfc | 401 | |
932155c7 | 402 | Float_t bSign = 0; |
403 | ||
d4b3dbfc | 404 | if (inputEvent) |
932155c7 | 405 | { |
d4b3dbfc | 406 | fHistos->SetRunNumber(inputEvent->GetRunNumber()); |
932155c7 | 407 | bSign = (inputEvent->GetMagneticField() > 0) ? 1 : -1; |
408 | } | |
409 | ||
85bfac17 | 410 | TObject* mc = fArrayMC; |
411 | if (!mc) | |
412 | mc = fMcEvent; | |
413 | ||
2a910c25 | 414 | // count all events |
415 | fHistos->FillEvent(centrality, -1); | |
416 | ||
72b62cb8 | 417 | if (centrality < 0) |
418 | return; | |
419 | ||
2a910c25 | 420 | // Only consider MC events within the vtx-z region used also as cut on the reconstructed vertex |
7dd4dec4 | 421 | TObject* vertexSupplier = fMcEvent; |
422 | if (fAOD) // AOD | |
423 | vertexSupplier = fAOD->FindListObject(AliAODMCHeader::StdBranchName()); | |
424 | ||
425 | if (!fAnalyseUE->VertexSelection(vertexSupplier, 0, fZVertex)) | |
2a910c25 | 426 | return; |
85bfac17 | 427 | |
7dd4dec4 | 428 | Float_t zVtx = 0; |
429 | if (fAOD) | |
430 | zVtx = ((AliAODMCHeader*) vertexSupplier)->GetVtxZ(); | |
431 | else | |
432 | zVtx = fMcEvent->GetPrimaryVertex()->GetZ(); | |
c05ff6be | 433 | Float_t weight = 1; |
434 | if (fFillpT) | |
435 | weight = -1; | |
1ccd8a0a | 436 | |
437 | // For productions with injected signals, figure out above which label to skip particles/tracks | |
438 | Int_t skipParticlesAbove = 0; | |
439 | if (fInjectedSignals) | |
440 | { | |
441 | AliGenEventHeader* eventHeader = 0; | |
442 | Int_t headers = 0; | |
443 | ||
444 | if (fMcEvent) | |
445 | { | |
446 | // ESD | |
447 | AliHeader* header = (AliHeader*) fMcEvent->Header(); | |
448 | if (!header) | |
449 | AliFatal("fInjectedSignals set but no MC header found"); | |
450 | ||
451 | AliGenCocktailEventHeader* cocktailHeader = dynamic_cast<AliGenCocktailEventHeader*> (header->GenEventHeader()); | |
452 | if (!cocktailHeader) | |
453 | { | |
454 | header->Dump(); | |
455 | AliFatal("fInjectedSignals set but no MC cocktail header found"); | |
456 | } | |
457 | ||
458 | headers = cocktailHeader->GetHeaders()->GetEntries(); | |
459 | eventHeader = dynamic_cast<AliGenEventHeader*> (cocktailHeader->GetHeaders()->First()); | |
460 | } | |
461 | else | |
462 | { | |
463 | // AOD | |
464 | AliAODMCHeader* header = (AliAODMCHeader*) fAOD->GetList()->FindObject(AliAODMCHeader::StdBranchName()); | |
465 | if (!header) | |
466 | AliFatal("fInjectedSignals set but no MC header found"); | |
467 | ||
468 | headers = header->GetNCocktailHeaders(); | |
469 | eventHeader = header->GetCocktailHeader(0); | |
470 | } | |
2a910c25 | 471 | |
1ccd8a0a | 472 | if (!eventHeader) |
46848f0b | 473 | { |
474 | // We avoid AliFatal here, because the AOD productions sometimes have events where the MC header is missing | |
475 | // (due to unreadable Kinematics) and we don't want to loose the whole job because of a few events | |
476 | AliError("First event header not found. Skipping this event."); | |
477 | fHistos->FillEvent(centrality, AliUEHist::kCFStepAnaTopology); | |
478 | return; | |
479 | } | |
1ccd8a0a | 480 | |
481 | skipParticlesAbove = eventHeader->NProduced(); | |
482 | AliInfo(Form("Injected signals in this event (%d headers). Keeping events of %s. Will skip particles/tracks above %d.", headers, eventHeader->ClassName(), skipParticlesAbove)); | |
483 | } | |
484 | ||
2a910c25 | 485 | // Get MC primaries |
762206c7 | 486 | TObjArray* tmpList = fAnalyseUE->GetAcceptedParticles(mc, 0, kTRUE, -1, kTRUE); |
1ccd8a0a | 487 | if (fInjectedSignals) |
488 | fAnalyseUE->RemoveInjectedSignals(tmpList, mc, skipParticlesAbove); | |
f613255f | 489 | if (fRemoveWeakDecays) |
490 | fAnalyseUE->RemoveWeakDecays(tmpList, mc); | |
762206c7 | 491 | TObjArray* tracksMC = CloneAndReduceTrackList(tmpList); |
492 | delete tmpList; | |
2a910c25 | 493 | |
1ccd8a0a | 494 | /* |
b0d56b29 | 495 | if (fAOD) |
496 | { | |
497 | for (Int_t i=0; i<fArrayMC->GetEntriesFast(); i++) | |
498 | ((TH1F*) fListOfHistos->FindObject("pids"))->Fill(((AliAODMCParticle*) fArrayMC->At(i))->PdgCode()); | |
499 | } | |
500 | else | |
501 | { | |
502 | for (Int_t i=0; i<fMcEvent->GetNumberOfTracks(); i++) | |
503 | ((TH1F*) fListOfHistos->FindObject("pids"))->Fill(fMcEvent->GetTrack(i)->PdgCode()); | |
504 | } | |
1ccd8a0a | 505 | */ |
b0d56b29 | 506 | |
9375b5e2 | 507 | if (fFillOnlyStep0) |
508 | zVtx = 0; | |
509 | ||
2a910c25 | 510 | // (MC-true all particles) |
511 | // STEP 0 | |
c05ff6be | 512 | fHistos->FillCorrelations(centrality, zVtx, AliUEHist::kCFStepAll, tracksMC, 0, weight); |
2a910c25 | 513 | |
7a028750 | 514 | // mixed event |
8781a433 | 515 | if (fFillMixed) |
516 | { | |
517 | AliEventPool* pool = fPoolMgr->GetEventPool(centrality, zVtx); | |
518 | //pool->PrintInfo(); | |
519 | if (pool->IsReady() || pool->NTracksInPool() > fMixingTracks / 10 || pool->GetCurrentNEvents() >= 5) | |
520 | for (Int_t jMix=0; jMix<pool->GetCurrentNEvents(); jMix++) | |
521 | fHistosMixed->FillCorrelations(centrality, zVtx, AliUEHist::kCFStepAll, tracksMC, pool->GetEvent(jMix), 1.0 / pool->GetCurrentNEvents(), (jMix == 0)); | |
522 | pool->UpdatePool(CloneAndReduceTrackList(tracksMC)); | |
523 | } | |
7a028750 | 524 | |
04af8d15 | 525 | // Printf("trigger: %d", ((AliInputEventHandler*)fInputHandler)->IsEventSelected()); |
526 | ||
2a910c25 | 527 | // Trigger selection ************************************************ |
a26093ba | 528 | if (!fFillOnlyStep0 && (fSkipTrigger || fAnalyseUE->TriggerSelection(fInputHandler))) |
2a910c25 | 529 | { |
c32a0ca9 | 530 | // (MC-true all particles) |
531 | // STEP 1 | |
532 | if (!fReduceMemoryFootprint) | |
c05ff6be | 533 | fHistos->FillCorrelations(centrality, zVtx, AliUEHist::kCFStepTriggered, tracksMC, 0, weight); |
c32a0ca9 | 534 | else |
535 | fHistos->FillEvent(centrality, AliUEHist::kCFStepTriggered); | |
536 | ||
872dc651 | 537 | if (!inputEvent) { |
c32a0ca9 | 538 | AliFatal("UNEXPECTED: inputEvent is 0. Trigger selection should have failed"); |
872dc651 | 539 | return; |
540 | } | |
2a910c25 | 541 | |
542 | // Vertex selection ************************************************* | |
85bfac17 | 543 | if (fAnalyseUE->VertexSelection(inputEvent, fnTracksVertex, fZVertex)) |
2a910c25 | 544 | { |
545 | // fill here for tracking efficiency | |
546 | // loop over particle species | |
547 | ||
548 | for (Int_t particleSpecies = 0; particleSpecies < 4; particleSpecies++) | |
549 | { | |
85bfac17 | 550 | TObjArray* primMCParticles = fAnalyseUE->GetAcceptedParticles(mc, 0x0, kTRUE, particleSpecies, kTRUE); |
551 | TObjArray* primRecoTracksMatched = fAnalyseUE->GetAcceptedParticles(inputEvent, mc, kTRUE, particleSpecies, kTRUE); | |
552 | TObjArray* allRecoTracksMatched = fAnalyseUE->GetAcceptedParticles(inputEvent, mc, kFALSE, particleSpecies, kTRUE); | |
1ccd8a0a | 553 | |
554 | if (fInjectedSignals) | |
555 | { | |
556 | fAnalyseUE->RemoveInjectedSignals(primMCParticles, mc, skipParticlesAbove); | |
557 | fAnalyseUE->RemoveInjectedSignals(primRecoTracksMatched, mc, skipParticlesAbove); | |
558 | fAnalyseUE->RemoveInjectedSignals(allRecoTracksMatched, mc, skipParticlesAbove); | |
559 | } | |
f613255f | 560 | |
561 | if (fRemoveWeakDecays) | |
562 | { | |
563 | fAnalyseUE->RemoveWeakDecays(primMCParticles, mc); | |
564 | fAnalyseUE->RemoveWeakDecays(primRecoTracksMatched, mc); | |
565 | fAnalyseUE->RemoveWeakDecays(allRecoTracksMatched, mc); | |
566 | } | |
2a910c25 | 567 | |
408d1ac9 | 568 | fHistos->FillTrackingEfficiency(primMCParticles, primRecoTracksMatched, allRecoTracksMatched, 0, particleSpecies, centrality, zVtx); |
2a910c25 | 569 | |
eed401dc | 570 | // Printf("%d --> %d %d %d", particleSpecies, primMCParticles->GetEntries(), primRecoTracksMatched->GetEntries(), allRecoTracksMatched->GetEntries()); |
571 | ||
572 | delete primMCParticles; | |
2a910c25 | 573 | delete primRecoTracksMatched; |
574 | delete allRecoTracksMatched; | |
575 | } | |
b591fb9c | 576 | TObjArray* fakeParticles = fAnalyseUE->GetFakeParticles(inputEvent, mc, kFALSE, -1, kTRUE); |
46848f0b | 577 | if (fInjectedSignals) |
578 | { | |
579 | fAnalyseUE->RemoveInjectedSignals((TObjArray*) fakeParticles->At(0), mc, skipParticlesAbove); | |
580 | fAnalyseUE->RemoveInjectedSignals((TObjArray*) fakeParticles->At(1), mc, skipParticlesAbove); | |
581 | } | |
f613255f | 582 | if (fRemoveWeakDecays) |
583 | { | |
584 | fAnalyseUE->RemoveWeakDecays((TObjArray*) fakeParticles->At(0), mc); | |
585 | fAnalyseUE->RemoveWeakDecays((TObjArray*) fakeParticles->At(1), mc); | |
586 | } | |
408d1ac9 | 587 | fHistos->FillTrackingEfficiency(0, 0, 0, (TObjArray*) fakeParticles->At(2), -1, centrality, zVtx); |
b591fb9c | 588 | fHistos->FillFakePt(fakeParticles, centrality); |
d728f490 | 589 | // Printf(">>>>> %d %d %d fakes", ((TObjArray*) fakeParticles->At(0))->GetEntriesFast(), ((TObjArray*) fakeParticles->At(1))->GetEntriesFast(), ((TObjArray*) fakeParticles->At(2))->GetEntriesFast()); |
b591fb9c | 590 | delete fakeParticles; |
2a910c25 | 591 | |
592 | // (MC-true all particles) | |
593 | // STEP 2 | |
85bfac17 | 594 | if (!fReduceMemoryFootprint) |
c05ff6be | 595 | fHistos->FillCorrelations(centrality, zVtx, AliUEHist::kCFStepVertex, tracksMC, 0, weight); |
c32a0ca9 | 596 | else |
597 | fHistos->FillEvent(centrality, AliUEHist::kCFStepVertex); | |
2a910c25 | 598 | |
599 | // Get MC primaries that match reconstructed track | |
85bfac17 | 600 | TObjArray* tracksRecoMatchedPrim = fAnalyseUE->GetAcceptedParticles(inputEvent, mc, kTRUE, -1, kTRUE); |
1ccd8a0a | 601 | if (fInjectedSignals) |
602 | fAnalyseUE->RemoveInjectedSignals(tracksRecoMatchedPrim, mc, skipParticlesAbove); | |
f613255f | 603 | if (fRemoveWeakDecays) |
604 | fAnalyseUE->RemoveWeakDecays(tracksRecoMatchedPrim, mc); | |
d6a8903f | 605 | if (fRemoveDuplicates) |
606 | RemoveDuplicates(tracksRecoMatchedPrim); | |
2a910c25 | 607 | |
608 | // (RECO-matched (quantities from MC particle) primary particles) | |
609 | // STEP 4 | |
c05ff6be | 610 | fHistos->FillCorrelations(centrality, zVtx, AliUEHist::kCFStepTrackedOnlyPrim, tracksRecoMatchedPrim, 0, weight); |
408d1ac9 | 611 | |
612 | // mixed event | |
613 | if (fFillMixed) | |
614 | { | |
615 | AliEventPool* pool = fPoolMgr->GetEventPool(centrality, zVtx + 200); | |
616 | //pool->PrintInfo(); | |
617 | if (pool->IsReady() || pool->NTracksInPool() > fMixingTracks / 10 || pool->GetCurrentNEvents() >= 5) | |
618 | for (Int_t jMix=0; jMix<pool->GetCurrentNEvents(); jMix++) | |
619 | fHistosMixed->FillCorrelations(centrality, zVtx, AliUEHist::kCFStepTrackedOnlyPrim, tracksRecoMatchedPrim, pool->GetEvent(jMix), 1.0 / pool->GetCurrentNEvents(), (jMix == 0)); | |
620 | pool->UpdatePool(CloneAndReduceTrackList(tracksRecoMatchedPrim)); | |
621 | } | |
2a910c25 | 622 | |
623 | // Get MC primaries + secondaries that match reconstructed track | |
85bfac17 | 624 | TObjArray* tracksRecoMatchedAll = fAnalyseUE->GetAcceptedParticles(inputEvent, mc, kFALSE, -1, kTRUE); |
1ccd8a0a | 625 | if (fInjectedSignals) |
626 | fAnalyseUE->RemoveInjectedSignals(tracksRecoMatchedAll, mc, skipParticlesAbove); | |
f613255f | 627 | if (fRemoveWeakDecays) |
628 | fAnalyseUE->RemoveWeakDecays(tracksRecoMatchedAll, mc); | |
d6a8903f | 629 | if (fRemoveDuplicates) |
630 | RemoveDuplicates(tracksRecoMatchedAll); | |
f613255f | 631 | |
2a910c25 | 632 | // (RECO-matched (quantities from MC particle) all particles) |
633 | // STEP 5 | |
c05ff6be | 634 | fHistos->FillCorrelations(centrality, zVtx, AliUEHist::kCFStepTracked, tracksRecoMatchedAll, 0, weight); |
2a910c25 | 635 | |
408d1ac9 | 636 | // mixed event |
637 | if (fFillMixed) | |
638 | { | |
639 | AliEventPool* pool = fPoolMgr->GetEventPool(centrality, zVtx + 300); | |
640 | //pool->PrintInfo(); | |
641 | if (pool->IsReady() || pool->NTracksInPool() > fMixingTracks / 10 || pool->GetCurrentNEvents() >= 5) | |
642 | for (Int_t jMix=0; jMix<pool->GetCurrentNEvents(); jMix++) | |
643 | fHistosMixed->FillCorrelations(centrality, zVtx, AliUEHist::kCFStepTracked, tracksRecoMatchedAll, pool->GetEvent(jMix), 1.0 / pool->GetCurrentNEvents(), (jMix == 0)); | |
644 | pool->UpdatePool(CloneAndReduceTrackList(tracksRecoMatchedAll)); | |
645 | } | |
646 | ||
2a910c25 | 647 | // Get RECO tracks |
85bfac17 | 648 | TObjArray* tracks = fAnalyseUE->GetAcceptedParticles(inputEvent, 0, kTRUE, -1, kTRUE); |
1ccd8a0a | 649 | if (fInjectedSignals) |
650 | fAnalyseUE->RemoveInjectedSignals(tracks, mc, skipParticlesAbove); | |
f613255f | 651 | if (fRemoveWeakDecays) |
652 | fAnalyseUE->RemoveWeakDecays(tracks, mc); | |
1ccd8a0a | 653 | |
2a910c25 | 654 | // (RECO all tracks) |
655 | // STEP 6 | |
a26093ba | 656 | if (!fSkipStep6) |
657 | fHistos->FillCorrelations(centrality, zVtx, AliUEHist::kCFStepReconstructed, tracks, 0, weight); | |
2a910c25 | 658 | |
932155c7 | 659 | // two track cut, STEP 8 |
660 | if (fTwoTrackEfficiencyCut > 0) | |
661 | fHistos->FillCorrelations(centrality, zVtx, AliUEHist::kCFStepBiasStudy, tracks, 0, weight, kTRUE, kTRUE, bSign, fTwoTrackEfficiencyCut); | |
662 | ||
408d1ac9 | 663 | // apply correction efficiency, STEP 10 |
664 | if (fEfficiencyCorrection) | |
665 | { | |
666 | // with or without two track efficiency depending on if fTwoTrackEfficiencyCut is set | |
667 | Bool_t twoTrackCut = (fTwoTrackEfficiencyCut > 0); | |
668 | ||
669 | fHistos->FillCorrelations(centrality, zVtx, AliUEHist::kCFStepCorrected, tracks, 0, weight, kTRUE, twoTrackCut, bSign, fTwoTrackEfficiencyCut, kTRUE); | |
670 | } | |
671 | ||
7a028750 | 672 | // mixed event |
408d1ac9 | 673 | if (fFillMixed) |
8781a433 | 674 | { |
675 | AliEventPool* pool2 = fPoolMgr->GetEventPool(centrality, zVtx + 100); | |
676 | //pool2->PrintInfo(); | |
677 | if (pool2->IsReady() || pool2->NTracksInPool() > fMixingTracks / 10 || pool2->GetCurrentNEvents() >= 5) | |
408d1ac9 | 678 | { |
932155c7 | 679 | for (Int_t jMix=0; jMix<pool2->GetCurrentNEvents(); jMix++) |
680 | { | |
681 | // STEP 6 | |
408d1ac9 | 682 | if (!fSkipStep6) |
683 | fHistosMixed->FillCorrelations(centrality, zVtx, AliUEHist::kCFStepReconstructed, tracks, pool2->GetEvent(jMix), 1.0 / pool2->GetCurrentNEvents(), (jMix == 0)); | |
932155c7 | 684 | |
685 | // two track cut, STEP 8 | |
686 | if (fTwoTrackEfficiencyCut > 0) | |
687 | fHistosMixed->FillCorrelations(centrality, zVtx, AliUEHist::kCFStepBiasStudy, tracks, pool2->GetEvent(jMix), 1.0 / pool2->GetCurrentNEvents(), (jMix == 0), kTRUE, bSign, fTwoTrackEfficiencyCut); | |
408d1ac9 | 688 | |
689 | // apply correction efficiency, STEP 10 | |
690 | if (fEfficiencyCorrection) | |
691 | { | |
692 | // with or without two track efficiency depending on if fTwoTrackEfficiencyCut is set | |
693 | Bool_t twoTrackCut = (fTwoTrackEfficiencyCut > 0); | |
694 | ||
695 | fHistosMixed->FillCorrelations(centrality, zVtx, AliUEHist::kCFStepCorrected, tracks, pool2->GetEvent(jMix), 1.0 / pool2->GetCurrentNEvents(), (jMix == 0), twoTrackCut, bSign, fTwoTrackEfficiencyCut, kTRUE); | |
696 | } | |
932155c7 | 697 | } |
408d1ac9 | 698 | } |
8781a433 | 699 | pool2->UpdatePool(CloneAndReduceTrackList(tracks)); |
700 | } | |
408d1ac9 | 701 | |
85bfac17 | 702 | if (0 && !fReduceMemoryFootprint) |
2a910c25 | 703 | { |
704 | // make list of secondaries (matched with MC) | |
705 | TObjArray* tracksRecoMatchedSecondaries = new TObjArray; | |
b0d56b29 | 706 | for (Int_t i=0; i<tracksRecoMatchedAll->GetEntriesFast(); i++) |
2a910c25 | 707 | if (((AliAODMCParticle*)tracksRecoMatchedAll->At(i))->IsPhysicalPrimary() == kFALSE) |
708 | tracksRecoMatchedSecondaries->Add(tracksRecoMatchedAll->At(i)); | |
709 | ||
710 | // Study: Use only secondaries as trigger particles and plot the correlation vs. all particles; store in step 9 | |
c05ff6be | 711 | fHistos->FillCorrelations(centrality, zVtx, AliUEHist::kCFStepBiasStudy2, tracksRecoMatchedSecondaries, tracksRecoMatchedAll, weight); |
2a910c25 | 712 | |
713 | // Study: Use only primaries as trigger particles and plot the correlation vs. secondaries; store in step 8 | |
c05ff6be | 714 | fHistos->FillCorrelations(centrality, zVtx, AliUEHist::kCFStepBiasStudy, tracksRecoMatchedPrim, tracksRecoMatchedSecondaries, weight); |
2a910c25 | 715 | |
716 | // plot delta phi vs process id of secondaries | |
717 | // trigger particles: primaries in 4 < pT < 10 | |
718 | // associated particles: secondaries in 1 < pT < 10 | |
719 | ||
b0d56b29 | 720 | for (Int_t i=0; i<tracksRecoMatchedPrim->GetEntriesFast(); i++) |
2a910c25 | 721 | { |
722 | AliVParticle* triggerParticle = (AliVParticle*) tracksRecoMatchedPrim->At(i); | |
723 | ||
724 | if (triggerParticle->Pt() < 4 || triggerParticle->Pt() > 10) | |
725 | continue; | |
726 | ||
b0d56b29 | 727 | for (Int_t j=0; j<tracksRecoMatchedSecondaries->GetEntriesFast(); j++) |
2a910c25 | 728 | { |
729 | AliAODMCParticle* particle = (AliAODMCParticle*) tracksRecoMatchedSecondaries->At(j); | |
730 | ||
731 | if (particle->Pt() < 1 || particle->Pt() > 10) | |
732 | continue; | |
733 | ||
734 | if (particle->Pt() > triggerParticle->Pt()) | |
735 | continue; | |
736 | ||
737 | Double_t deltaPhi = triggerParticle->Phi() - particle->Phi(); | |
738 | if (deltaPhi > 1.5 * TMath::Pi()) | |
739 | deltaPhi -= TMath::TwoPi(); | |
740 | if (deltaPhi < -0.5 * TMath::Pi()) | |
741 | deltaPhi += TMath::TwoPi(); | |
742 | ||
743 | Int_t processID = fMcEvent->Stack()->Particle(particle->GetLabel())->GetUniqueID(); | |
744 | ||
745 | ((TH2F*) fListOfHistos->FindObject("processIDs"))->Fill(deltaPhi, processID); | |
746 | } | |
747 | } | |
748 | ||
749 | delete tracksRecoMatchedSecondaries; | |
750 | } | |
751 | ||
752 | delete tracksRecoMatchedPrim; | |
753 | delete tracksRecoMatchedAll; | |
754 | delete tracks; | |
755 | } | |
756 | } | |
757 | ||
758 | delete tracksMC; | |
e0331fd9 | 759 | } |
760 | ||
761 | //____________________________________________________________________ | |
762 | void AliAnalysisTaskPhiCorrelations::AnalyseDataMode() | |
763 | { | |
764 | ||
765 | // Run the analysis on DATA or MC to get raw distributions | |
766 | ||
e0331fd9 | 767 | if ( fDebug > 3 ) AliInfo( " Processing event in Data mode ..." ); |
e0331fd9 | 768 | |
c066889a | 769 | ((TH1F*) fListOfHistos->FindObject("eventStat"))->Fill(0); |
770 | ||
2a910c25 | 771 | if (!fInputHandler) |
772 | return; | |
773 | ||
5e053cad | 774 | // skip not selected events here (the AOD is not updated for those) |
d728f490 | 775 | if (!fSkipTrigger && !(fInputHandler->IsEventSelected() & fSelectBit)) |
2a910c25 | 776 | return; |
e0331fd9 | 777 | |
72b62cb8 | 778 | // Support for ESD and AOD based analysis |
779 | AliVEvent* inputEvent = fAOD; | |
780 | if (!inputEvent) | |
781 | inputEvent = fESD; | |
782 | ||
2a910c25 | 783 | Double_t centrality = 0; |
784 | ||
c3294f09 | 785 | AliCentrality *centralityObj = 0; |
2a910c25 | 786 | if (fCentralityMethod.Length() > 0) |
787 | { | |
d728f490 | 788 | if (fCentralityMethod == "ZNA_MANUAL") |
789 | { | |
9894bedd | 790 | Bool_t zna = kFALSE; |
791 | for(Int_t j = 0; j < 4; ++j) { | |
792 | if (fESD->GetZDCData()->GetZDCTDCData(12,j) != 0) { | |
793 | zna = kTRUE; | |
794 | } | |
795 | } | |
796 | ||
797 | // Printf("%d %f", zna, fZNAtower[0]); | |
798 | if (zna) | |
799 | { | |
800 | // code from Chiara O (23.10.12) | |
801 | const Double_t *fZNAtower = fESD->GetZDCData()->GetZN2TowerEnergy(); | |
72b62cb8 | 802 | Float_t znacut[4] = {681., 563., 413., 191.}; |
803 | ||
9894bedd | 804 | if(fZNAtower[0]>znacut[0]) centrality = 1; |
72b62cb8 | 805 | else if(fZNAtower[0]>znacut[1]) centrality = 21; |
806 | else if(fZNAtower[0]>znacut[2]) centrality = 41; | |
807 | else if(fZNAtower[0]>znacut[3]) centrality = 61; | |
808 | else centrality = 81; | |
9894bedd | 809 | } |
810 | else | |
811 | centrality = -1; | |
d728f490 | 812 | } |
72b62cb8 | 813 | else if (fCentralityMethod == "TRACKS_MANUAL") |
814 | { | |
815 | // for pp | |
816 | TObjArray* tracks = fAnalyseUE->GetAcceptedParticles(inputEvent, 0, kTRUE, -1, kTRUE); | |
817 | centrality = tracks->GetEntriesFast(); | |
818 | if (centrality > 40) | |
819 | centrality = 41; | |
820 | // Printf("%d %f", tracks->GetEntriesFast(), centrality); | |
821 | delete tracks; | |
822 | } | |
2a910c25 | 823 | else |
a6d82f4e | 824 | { |
d728f490 | 825 | if (fAOD) |
826 | centralityObj = fAOD->GetHeader()->GetCentralityP(); | |
827 | else if (fESD) | |
828 | centralityObj = fESD->GetCentrality(); | |
829 | ||
830 | if (centralityObj) | |
831 | centrality = centralityObj->GetCentralityPercentile(fCentralityMethod); | |
832 | //centrality = centralityObj->GetCentralityPercentileUnchecked(fCentralityMethod); | |
833 | else | |
834 | centrality = -1; | |
835 | ||
836 | if (fAOD) | |
a6d82f4e | 837 | { |
d728f490 | 838 | // remove outliers |
839 | if (centrality == 0) | |
a6d82f4e | 840 | { |
d728f490 | 841 | if (fAOD->GetVZEROData()) |
a6d82f4e | 842 | { |
d728f490 | 843 | Float_t multV0 = 0; |
844 | for (Int_t i=0; i<64; i++) | |
845 | multV0 += fAOD->GetVZEROData()->GetMultiplicity(i); | |
846 | if (multV0 < 19500) | |
847 | { | |
848 | centrality = -1; | |
849 | AliInfo("Rejecting event due to too small V0 multiplicity"); | |
850 | } | |
a6d82f4e | 851 | } |
852 | } | |
853 | } | |
854 | } | |
855 | ||
a8583211 | 856 | AliInfo(Form("Centrality is %f", centrality)); |
2a910c25 | 857 | } |
858 | ||
04af8d15 | 859 | Float_t bSign = (inputEvent->GetMagneticField() > 0) ? 1 : -1; |
860 | ||
85bfac17 | 861 | fHistos->SetRunNumber(inputEvent->GetRunNumber()); |
862 | ||
2a910c25 | 863 | // Fill the "event-counting-container", it is needed to get the number of events remaining after each event-selection cut |
864 | fHistos->FillEvent(centrality, AliUEHist::kCFStepAll); | |
865 | ||
e0331fd9 | 866 | // Trigger selection ************************************************ |
d728f490 | 867 | if (!fSkipTrigger && !fAnalyseUE->TriggerSelection(fInputHandler)) return; |
e0331fd9 | 868 | |
869 | // Fill the "event-counting-container", it is needed to get the number of events remaining after each event-selection cut | |
2a910c25 | 870 | fHistos->FillEvent(centrality, AliUEHist::kCFStepTriggered); |
e0331fd9 | 871 | |
872 | // Vertex selection ************************************************* | |
85bfac17 | 873 | if(!fAnalyseUE->VertexSelection(inputEvent, fnTracksVertex, fZVertex)) return; |
e0331fd9 | 874 | |
875 | // Fill the "event-counting-container", it is needed to get the number of events remaining after each event-selection cut | |
2a910c25 | 876 | fHistos->FillEvent(centrality, AliUEHist::kCFStepVertex); |
e0331fd9 | 877 | |
c3294f09 | 878 | // optimization |
879 | if (centrality < 0 && !fCompareCentralities) | |
2a910c25 | 880 | return; |
e0331fd9 | 881 | |
85bfac17 | 882 | TObjArray* tracks = fAnalyseUE->GetAcceptedParticles(inputEvent, 0, kTRUE, -1, kTRUE); |
5e053cad | 883 | |
884 | // check for outlier in centrality vs number of tracks (rough constants extracted from correlation histgram) | |
885 | Bool_t reject = kFALSE; | |
886 | if (fRejectCentralityOutliers) | |
887 | { | |
888 | if (centrality > 40 && centrality <= 50 && tracks->GetEntriesFast() > 1160) | |
889 | reject = kTRUE; | |
890 | if (centrality > 50 && centrality <= 60 && tracks->GetEntriesFast() > 650) | |
891 | reject = kTRUE; | |
892 | if (centrality > 60 && centrality <= 70 && tracks->GetEntriesFast() > 370) | |
893 | reject = kTRUE; | |
894 | if (centrality > 70 && centrality <= 80 && tracks->GetEntriesFast() > 220) | |
895 | reject = kTRUE; | |
896 | if (centrality > 80 && centrality <= 90 && tracks->GetEntriesFast() > 130) | |
897 | reject = kTRUE; | |
898 | if (centrality > 90 && tracks->GetEntriesFast() > 75) | |
899 | reject = kTRUE; | |
900 | } | |
901 | ||
902 | if (reject) | |
903 | { | |
904 | AliInfo(Form("Rejecting event due to centrality vs tracks correlation: %f %d", centrality, tracks->GetEntriesFast())); | |
905 | fHistos->FillEvent(centrality, AliUEHist::kCFStepAnaTopology); | |
906 | delete tracks; | |
907 | return; | |
908 | } | |
3bbad7c1 | 909 | |
910 | // reference multiplicity | |
911 | Int_t referenceMultiplicity = -1; | |
912 | if (fESD) | |
913 | referenceMultiplicity = AliESDtrackCuts::GetReferenceMultiplicity(fESD); | |
5e053cad | 914 | |
3bbad7c1 | 915 | ((TH2F*) fListOfHistos->FindObject("referenceMultiplicity"))->Fill(centrality, referenceMultiplicity); |
5e053cad | 916 | |
04af8d15 | 917 | // create a list of reduced objects. This speeds up processing and reduces memory consumption for the event pool |
918 | TObjArray* tracksClone = CloneAndReduceTrackList(tracks); | |
919 | delete tracks; | |
920 | ||
2a910c25 | 921 | //Printf("Accepted %d tracks", tracks->GetEntries()); |
e0331fd9 | 922 | |
85bfac17 | 923 | const AliVVertex* vertex = inputEvent->GetPrimaryVertex(); |
2a910c25 | 924 | Double_t zVtx = vertex->GetZ(); |
925 | ||
c05ff6be | 926 | Float_t weight = 1; |
927 | if (fFillpT) | |
928 | weight = -1; | |
929 | ||
c3294f09 | 930 | // fill two different centralities (syst study) |
931 | // the zvtx axis is used to distinguish the results of both centralities: configured centrality in zvtx = 0, SPD in zvtx = 2 | |
932 | if (fCompareCentralities) | |
933 | zVtx = 0; | |
2a910c25 | 934 | |
c3294f09 | 935 | // Fill containers at STEP 6 (reconstructed) |
936 | if (centrality >= 0) | |
c066889a | 937 | { |
a26093ba | 938 | if (!fSkipStep6) |
408d1ac9 | 939 | fHistos->FillCorrelations(centrality, zVtx, AliUEHist::kCFStepReconstructed, tracksClone, 0, weight, kTRUE, kFALSE, 0, 0.02, kTRUE); |
a26093ba | 940 | |
c066889a | 941 | ((TH1F*) fListOfHistos->FindObject("eventStat"))->Fill(1); |
04af8d15 | 942 | |
d4b3dbfc | 943 | if (fTwoTrackEfficiencyCut > 0) |
408d1ac9 | 944 | fHistos->FillCorrelations(centrality, zVtx, AliUEHist::kCFStepBiasStudy, tracksClone, 0, weight, kTRUE, kTRUE, bSign, fTwoTrackEfficiencyCut, kTRUE); |
c066889a | 945 | } |
c3294f09 | 946 | |
947 | // fill second time with SPD centrality | |
948 | if (fCompareCentralities && centralityObj) | |
949 | { | |
950 | centrality = centralityObj->GetCentralityPercentile("CL1"); | |
a26093ba | 951 | if (centrality >= 0 && !fSkipStep6) |
408d1ac9 | 952 | fHistos->FillCorrelations(centrality, 2, AliUEHist::kCFStepReconstructed, tracksClone, 0, weight, kTRUE, kFALSE, 0, 0.02, kTRUE); |
c3294f09 | 953 | } |
7fd35fdd | 954 | |
eed401dc | 955 | if (fFillMixed) |
e0331fd9 | 956 | { |
eed401dc | 957 | // event mixing |
2a910c25 | 958 | |
eed401dc | 959 | // 1. First get an event pool corresponding in mult (cent) and |
960 | // zvertex to the current event. Once initialized, the pool | |
961 | // should contain nMix (reduced) events. This routine does not | |
962 | // pre-scan the chain. The first several events of every chain | |
963 | // will be skipped until the needed pools are filled to the | |
964 | // specified depth. If the pool categories are not too rare, this | |
965 | // should not be a problem. If they are rare, you could lose | |
966 | // statistics. | |
967 | ||
968 | // 2. Collect the whole pool's content of tracks into one TObjArray | |
969 | // (bgTracks), which is effectively a single background super-event. | |
970 | ||
971 | // 3. The reduced and bgTracks arrays must both be passed into | |
972 | // FillCorrelations(). Also nMix should be passed in, so a weight | |
973 | // of 1./nMix can be applied. | |
974 | ||
975 | AliEventPool* pool = fPoolMgr->GetEventPool(centrality, zVtx); | |
976 | ||
977 | if (!pool) | |
978 | AliFatal(Form("No pool found for centrality = %f, zVtx = %f", centrality, zVtx)); | |
979 | ||
980 | //pool->SetDebug(1); | |
2d7827bf | 981 | |
982 | if (pool->IsReady() || pool->NTracksInPool() > fMixingTracks / 10 || pool->GetCurrentNEvents() >= 5) | |
eed401dc | 983 | { |
984 | ||
985 | Int_t nMix = pool->GetCurrentNEvents(); | |
a1c31636 | 986 | // cout << "nMix = " << nMix << " tracks in pool = " << pool->NTracksInPool() << endl; |
c066889a | 987 | |
988 | ((TH1F*) fListOfHistos->FindObject("eventStat"))->Fill(2); | |
5614e02f | 989 | ((TH2F*) fListOfHistos->FindObject("mixedDist"))->Fill(centrality, pool->NTracksInPool()); |
c066889a | 990 | if (pool->IsReady()) |
991 | ((TH1F*) fListOfHistos->FindObject("eventStat"))->Fill(3); | |
eed401dc | 992 | |
993 | // Fill mixed-event histos here | |
c05ff6be | 994 | for (Int_t jMix=0; jMix<nMix; jMix++) |
995 | { | |
eed401dc | 996 | TObjArray* bgTracks = pool->GetEvent(jMix); |
c5c840c5 | 997 | |
a26093ba | 998 | if (!fSkipStep6) |
408d1ac9 | 999 | fHistosMixed->FillCorrelations(centrality, zVtx, AliUEHist::kCFStepReconstructed, tracksClone, bgTracks, 1.0 / nMix, (jMix == 0), kFALSE, 0, 0.02, kTRUE); |
c5c840c5 | 1000 | |
d4b3dbfc | 1001 | if (fTwoTrackEfficiencyCut > 0) |
408d1ac9 | 1002 | fHistosMixed->FillCorrelations(centrality, zVtx, AliUEHist::kCFStepBiasStudy, tracksClone, bgTracks, 1.0 / nMix, (jMix == 0), kTRUE, bSign, fTwoTrackEfficiencyCut, kTRUE); |
eed401dc | 1003 | } |
e0331fd9 | 1004 | } |
eed401dc | 1005 | |
04af8d15 | 1006 | // ownership is with the pool now |
eed401dc | 1007 | pool->UpdatePool(tracksClone); |
1008 | //pool->PrintInfo(); | |
e0331fd9 | 1009 | } |
04af8d15 | 1010 | else |
1011 | delete tracksClone; | |
e0331fd9 | 1012 | } |
1013 | ||
7a028750 | 1014 | TObjArray* AliAnalysisTaskPhiCorrelations::CloneAndReduceTrackList(TObjArray* tracks) |
1015 | { | |
1016 | // clones a track list by using AliDPhiBasicParticle which uses much less memory (used for event mixing) | |
1017 | ||
1018 | TObjArray* tracksClone = new TObjArray; | |
1019 | tracksClone->SetOwner(kTRUE); | |
1020 | ||
b0d56b29 | 1021 | for (Int_t i=0; i<tracks->GetEntriesFast(); i++) |
7a028750 | 1022 | { |
1023 | AliVParticle* particle = (AliVParticle*) tracks->At(i); | |
1024 | tracksClone->Add(new AliDPhiBasicParticle(particle->Eta(), particle->Phi(), particle->Pt(), particle->Charge())); | |
1025 | } | |
1026 | ||
1027 | return tracksClone; | |
1028 | } | |
1029 | ||
e0331fd9 | 1030 | //____________________________________________________________________ |
1031 | void AliAnalysisTaskPhiCorrelations::Initialize() | |
1032 | { | |
1033 | // input handler | |
1034 | fInputHandler = (AliInputEventHandler*) | |
1035 | ((AliAnalysisManager::GetAnalysisManager())->GetInputEventHandler()); | |
1036 | // MC handler | |
1037 | fMcHandler = dynamic_cast<AliMCEventHandler*> (AliAnalysisManager::GetAnalysisManager()->GetMCtruthEventHandler()); | |
1038 | } | |
d6a8903f | 1039 | |
1040 | //____________________________________________________________________ | |
1041 | void AliAnalysisTaskPhiCorrelations::RemoveDuplicates(TObjArray* tracks) | |
1042 | { | |
1043 | // remove particles with the same label | |
1044 | ||
1045 | Int_t before = tracks->GetEntriesFast(); | |
1046 | ||
1047 | for (Int_t i=0; i<before; ++i) | |
1048 | { | |
1049 | AliVParticle* part = (AliVParticle*) tracks->At(i); | |
1050 | ||
1051 | for (Int_t j=i+1; j<before; ++j) | |
1052 | { | |
1053 | AliVParticle* part2 = (AliVParticle*) tracks->At(j); | |
1054 | ||
1055 | if (part->GetLabel() == part2->GetLabel()) | |
1056 | { | |
1057 | Printf("Removing %d with label %d (duplicated in %d)", i, part->GetLabel(), j); part->Dump(); part2->Dump(); | |
1058 | TObject* object = tracks->RemoveAt(i); | |
1059 | if (tracks->IsOwner()) | |
1060 | delete object; | |
1061 | break; | |
1062 | } | |
1063 | } | |
1064 | } | |
1065 | ||
1066 | tracks->Compress(); | |
1067 | ||
1068 | if (before > tracks->GetEntriesFast()) | |
1069 | AliInfo(Form("Reduced from %d to %d", before, tracks->GetEntriesFast())); | |
1070 | } |