]>
Commit | Line | Data |
---|---|---|
7f71d351 | 1 | // $Id$ |
5b38fc6d | 2 | |
1af24178 | 3 | ////////// |
4 | //Measure Jet-hadron correlations | |
5 | //Does event Mixing using AliEventPoolManager | |
6 | ///////// | |
7 | ||
5b38fc6d | 8 | #include "AliAnalysisTaskEmcalJetHMEC.h" |
9 | ||
1101e468 | 10 | #include "TChain.h" |
11 | #include "TTree.h" | |
12 | #include "TList.h" | |
13 | #include "TH1F.h" | |
14 | #include "TH2F.h" | |
15 | #include "THnSparse.h" | |
16 | #include "TCanvas.h" | |
17 | #include <TClonesArray.h> | |
18 | #include <TParticle.h> | |
19 | #include "AliVTrack.h" | |
20 | #include "TParameter.h" | |
21 | ||
22 | #include "AliAODEvent.h" | |
23 | #include "AliAnalysisTask.h" | |
24 | #include "AliAnalysisManager.h" | |
25 | ||
26 | #include "AliESDEvent.h" | |
27 | #include "AliESDInputHandler.h" | |
28 | #include "AliESDCaloCluster.h" | |
29 | #include "AliESDVertex.h" | |
30 | #include "AliCentrality.h" | |
31 | #include "AliAODJet.h" | |
32 | #include "AliEmcalJet.h" | |
33 | #include "AliESDtrackCuts.h" | |
1101e468 | 34 | |
5b38fc6d | 35 | #include "TVector3.h" |
36 | #include "AliPicoTrack.h" | |
55f64c2f | 37 | #include "AliEventPoolManager.h" |
5b38fc6d | 38 | |
1101e468 | 39 | ClassImp(AliAnalysisTaskEmcalJetHMEC) |
40 | ||
41 | //________________________________________________________________________ | |
42 | AliAnalysisTaskEmcalJetHMEC::AliAnalysisTaskEmcalJetHMEC() : | |
43 | AliAnalysisTaskSE(), | |
44 | fTracksName("tracks"), | |
45 | fJetsName("jets"), | |
46 | fPhimin(-10), | |
47 | fPhimax(10), | |
48 | fEtamin(-0.9), | |
49 | fEtamax(0.9), | |
50 | fAreacut(0.0), | |
965c985f | 51 | fTrkBias(5), |
52 | fClusBias(5), | |
22d3f9c2 | 53 | fTrkEta(0.9), |
fab37389 | 54 | fDoEventMixing(0), |
55 | fMixingTracks(50000), | |
1101e468 | 56 | fESD(0), |
55f64c2f | 57 | fPoolMgr(0x0), |
58 | fOutputList(0), | |
1101e468 | 59 | fHistTrackPt(0), |
60 | fHistCentrality(0), | |
61 | fHistJetEtaPhi(0), | |
fab37389 | 62 | fHistJetHEtaPhi(0), |
22d3f9c2 | 63 | fhnMixedEvents(0x0), |
64 | fhnJH(0x0) | |
1101e468 | 65 | { |
66 | // Default Constructor | |
67 | ||
22d3f9c2 | 68 | for(Int_t ipta=0; ipta<7; ipta++){ |
69 | fHistTrackEtaPhi[ipta]=0; | |
70 | } | |
71 | ||
72 | ||
1101e468 | 73 | for(Int_t icent = 0; icent<6; ++icent){ |
74 | fHistJetPt[icent]=0; | |
81941f29 | 75 | fHistJetPtBias[icent]=0; |
41f87d59 | 76 | fHistLeadJetPt[icent]=0; |
77 | fHistLeadJetPtBias[icent]=0; | |
81941f29 | 78 | fHistJetPtTT[icent]=0; |
55f64c2f | 79 | for(Int_t iptjet = 0; iptjet<5; ++iptjet){ |
1101e468 | 80 | for(Int_t ieta = 0; ieta<3; ++ieta){ |
81 | fHistJetH[icent][iptjet][ieta]=0; | |
82 | fHistJetHBias[icent][iptjet][ieta]=0; | |
81941f29 | 83 | fHistJetHTT[icent][iptjet][ieta]=0; |
84 | ||
1101e468 | 85 | } |
86 | } | |
87 | } | |
88 | ||
89 | } | |
90 | //________________________________________________________________________ | |
91 | AliAnalysisTaskEmcalJetHMEC::AliAnalysisTaskEmcalJetHMEC(const char *name) : | |
92 | AliAnalysisTaskSE(name), | |
93 | fTracksName("tracks"), | |
94 | fJetsName("jets"), | |
95 | fPhimin(-10), | |
96 | fPhimax(10), | |
97 | fEtamin(-0.9), | |
98 | fEtamax(0.9), | |
99 | fAreacut(0.0), | |
965c985f | 100 | fTrkBias(5), |
101 | fClusBias(5), | |
22d3f9c2 | 102 | fTrkEta(0.9), |
55f64c2f | 103 | fDoEventMixing(0), |
104 | fMixingTracks(50000), | |
1101e468 | 105 | fESD(0), |
55f64c2f | 106 | fPoolMgr(0x0), |
1101e468 | 107 | fOutputList(0), |
108 | fHistTrackPt(0), | |
109 | fHistCentrality(0), | |
110 | fHistJetEtaPhi(0), | |
55f64c2f | 111 | fHistJetHEtaPhi(0), |
22d3f9c2 | 112 | fhnMixedEvents(0x0), |
113 | fhnJH(0x0) | |
1101e468 | 114 | { |
115 | // Constructor | |
22d3f9c2 | 116 | for(Int_t ipta=0; ipta<7; ipta++){ |
117 | fHistTrackEtaPhi[ipta]=0; | |
118 | } | |
1101e468 | 119 | for(Int_t icent = 0; icent<6; ++icent){ |
120 | fHistJetPt[icent]=0; | |
121 | fHistJetPtBias[icent]=0; | |
41f87d59 | 122 | fHistLeadJetPt[icent]=0; |
123 | fHistLeadJetPtBias[icent]=0; | |
81941f29 | 124 | fHistJetPtTT[icent]=0; |
125 | for(Int_t iptjet = 0; iptjet<5; ++iptjet){ | |
1101e468 | 126 | for(Int_t ieta = 0; ieta<3; ++ieta){ |
127 | fHistJetH[icent][iptjet][ieta]=0; | |
128 | fHistJetHBias[icent][iptjet][ieta]=0; | |
81941f29 | 129 | fHistJetHTT[icent][iptjet][ieta]=0; |
1101e468 | 130 | } |
131 | } | |
132 | } | |
133 | ||
55f64c2f | 134 | |
1101e468 | 135 | DefineInput(0, TChain::Class()); |
136 | DefineOutput(1, TList::Class()); | |
137 | ||
138 | } | |
139 | ||
140 | //________________________________________________________________________ | |
141 | void AliAnalysisTaskEmcalJetHMEC::UserCreateOutputObjects() | |
142 | { | |
143 | // Called once | |
144 | ||
145 | ||
146 | AliVEventHandler* handler = AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler(); | |
147 | if (!handler) { | |
148 | AliError("Input handler not available!"); | |
149 | return; | |
150 | } | |
151 | ||
152 | OpenFile(1); | |
153 | fOutputList = new TList(); | |
154 | fOutputList->SetOwner(); | |
155 | ||
1101e468 | 156 | |
55f64c2f | 157 | |
158 | // Create histograms | |
1101e468 | 159 | fHistTrackPt = new TH1F("fHistTrackPt", "P_{T} distribution", 1000, 0.0, 100.0); |
160 | ||
161 | ||
162 | ||
163 | fHistCentrality = new TH1F("fHistCentrality","centrality",100,0,100); | |
164 | ||
165 | fHistJetEtaPhi = new TH2F("fHistJetEtaPhi","Jet eta-phi",900,-1.8,1.8,640,-3.2,3.2); | |
1101e468 | 166 | fHistJetHEtaPhi = new TH2F("fHistJetHEtaPhi","Jet-Hadron deta-dphi",900,-1.8,1.8,640,-1.6,4.8); |
167 | ||
168 | char name[200]; | |
169 | ||
22d3f9c2 | 170 | for(Int_t ipta=0; ipta<7; ++ipta){ |
171 | sprintf(name, "fHistTrackEtaPhi_%i", ipta); | |
c1076e58 | 172 | fHistTrackEtaPhi[ipta] = new TH2F(name,name,400,-1,1,640,0.0,2.0*TMath::Pi()); |
22d3f9c2 | 173 | fOutputList->Add(fHistTrackEtaPhi[ipta]); |
174 | ||
175 | } | |
1101e468 | 176 | |
177 | for(Int_t icent = 0; icent<6; ++icent){ | |
178 | sprintf(name,"fHistJetPt_%i",icent); | |
179 | fHistJetPt[icent] = new TH1F(name,name,200,0,200); | |
180 | fOutputList->Add(fHistJetPt[icent]); | |
181 | ||
182 | sprintf(name,"fHistJetPtBias_%i",icent); | |
183 | fHistJetPtBias[icent] = new TH1F(name,name,200,0,200); | |
184 | fOutputList->Add(fHistJetPtBias[icent]); | |
185 | ||
41f87d59 | 186 | sprintf(name,"fHistLeadJetPt_%i",icent); |
187 | fHistLeadJetPt[icent] = new TH1F(name,name,200,0,200); | |
188 | fOutputList->Add(fHistLeadJetPt[icent]); | |
189 | ||
190 | sprintf(name,"fHistLeadJetPtBias_%i",icent); | |
191 | fHistLeadJetPtBias[icent] = new TH1F(name,name,200,0,200); | |
192 | fOutputList->Add(fHistLeadJetPtBias[icent]); | |
193 | ||
81941f29 | 194 | sprintf(name,"fHistJetPtTT_%i",icent); |
195 | fHistJetPtTT[icent] = new TH1F(name,name,200,0,200); | |
196 | fOutputList->Add(fHistJetPtTT[icent]); | |
197 | ||
198 | for(Int_t iptjet = 0; iptjet<5; ++iptjet){ | |
1101e468 | 199 | for(Int_t ieta = 0; ieta<3; ++ieta){ |
200 | sprintf(name,"fHistJetH_%i_%i_%i",icent,iptjet,ieta); | |
201 | fHistJetH[icent][iptjet][ieta]=new TH2F(name,name,64,-0.5*TMath::Pi(),1.5*TMath::Pi(),300,0,30); | |
202 | fOutputList->Add(fHistJetH[icent][iptjet][ieta]); | |
203 | ||
204 | sprintf(name,"fHistJetHBias_%i_%i_%i",icent,iptjet,ieta); | |
205 | fHistJetHBias[icent][iptjet][ieta]=new TH2F(name,name,64,-0.5*TMath::Pi(),1.5*TMath::Pi(),300,0,30); | |
206 | fOutputList->Add(fHistJetHBias[icent][iptjet][ieta]); | |
207 | ||
81941f29 | 208 | sprintf(name,"fHistJetHTT_%i_%i_%i",icent,iptjet,ieta); |
209 | fHistJetHTT[icent][iptjet][ieta]=new TH2F(name,name,64,-0.5*TMath::Pi(),1.5*TMath::Pi(),300,0,30); | |
210 | fOutputList->Add(fHistJetHTT[icent][iptjet][ieta]); | |
211 | ||
1101e468 | 212 | } |
213 | } | |
214 | } | |
215 | ||
22d3f9c2 | 216 | |
217 | ||
218 | UInt_t cifras = 0; // bit coded, see GetDimParams() below | |
c1076e58 | 219 | cifras = 1<<0 | 1<<1 | 1<<2 | 1<<3 | 1<<4 | 1<<5 | 1<<7 | 1<<8; |
22d3f9c2 | 220 | fhnJH = NewTHnSparseF("fhnJH", cifras); |
221 | ||
222 | fhnJH->Sumw2(); | |
223 | ||
224 | fOutputList->Add(fhnJH); | |
225 | ||
226 | ||
55f64c2f | 227 | if(fDoEventMixing){ |
c1076e58 | 228 | cifras = 1<<0 | 1<<1 | 1<<2 | 1<<3 | 1<<4 | 1<<5 | 1<<7 | 1<<8; |
229 | fhnMixedEvents = NewTHnSparseF("fhnMixedEvents", cifras); | |
230 | ||
231 | fhnMixedEvents->Sumw2(); | |
232 | ||
233 | fOutputList->Add(fhnMixedEvents); | |
234 | ||
965c985f | 235 | } |
236 | ||
1101e468 | 237 | |
238 | fOutputList->Add(fHistTrackPt); | |
239 | fOutputList->Add(fHistCentrality); | |
240 | fOutputList->Add(fHistJetEtaPhi); | |
1101e468 | 241 | fOutputList->Add(fHistJetHEtaPhi); |
242 | ||
243 | ||
244 | PostData(1, fOutputList); | |
245 | ||
55f64c2f | 246 | |
247 | //Event Mixing | |
248 | Int_t trackDepth = fMixingTracks; | |
249 | Int_t poolsize = 1000; // Maximum number of events, ignored in the present implemented of AliEventPoolManager | |
250 | ||
251 | Int_t nZvtxBins = 7+1+7; | |
252 | // bins for second buffer are shifted by 100 cm | |
e7fa65db | 253 | Double_t vertexBins[] = { -10, -5, -3, -1, 1, 3, 5, 10, 93, 95, 97, 99, 101, 103, 105, 107 }; |
55f64c2f | 254 | Double_t* zvtxbin = vertexBins; |
255 | ||
256 | Int_t nCentralityBins = 100; | |
257 | Double_t centralityBins[nCentralityBins]; | |
258 | for(Int_t ic=0; ic<nCentralityBins; ic++){ | |
259 | centralityBins[ic]=1.0*ic; | |
260 | } | |
55f64c2f | 261 | |
262 | fPoolMgr = new AliEventPoolManager(poolsize, trackDepth, nCentralityBins, centralityBins, nZvtxBins, zvtxbin); | |
263 | ||
264 | ||
265 | ||
1101e468 | 266 | } |
267 | ||
268 | //________________________________________________________________________ | |
269 | ||
270 | Double_t AliAnalysisTaskEmcalJetHMEC:: RelativePhi(Double_t mphi,Double_t vphi) { | |
271 | ||
272 | ||
273 | if (vphi < -1*TMath::Pi()) vphi += (2*TMath::Pi()); | |
274 | else if (vphi > TMath::Pi()) vphi -= (2*TMath::Pi()); | |
275 | if (mphi < -1*TMath::Pi()) mphi += (2*TMath::Pi()); | |
276 | else if (mphi > TMath::Pi()) mphi -= (2*TMath::Pi()); | |
277 | Double_t dphi = vphi-mphi; | |
278 | if (dphi < -1*TMath::Pi()) dphi += (2*TMath::Pi()); | |
279 | else if (dphi > TMath::Pi()) dphi -= (2*TMath::Pi()); | |
280 | ||
281 | return dphi;//dphi in [-Pi, Pi] | |
282 | } | |
283 | ||
284 | ||
285 | //________________________________________________________________________ | |
286 | Int_t AliAnalysisTaskEmcalJetHMEC::GetCentBin(Double_t cent) const | |
287 | { | |
288 | // Get centrality bin. | |
289 | ||
290 | Int_t centbin = -1; | |
291 | if (cent>=0 && cent<10) | |
292 | centbin = 0; | |
293 | else if (cent>=10 && cent<20) | |
294 | centbin = 1; | |
295 | else if (cent>=20 && cent<30) | |
296 | centbin = 2; | |
297 | else if (cent>=30 && cent<40) | |
298 | centbin = 3; | |
299 | else if (cent>=40 && cent<50) | |
300 | centbin = 4; | |
301 | else if (cent>=50 && cent<90) | |
302 | centbin = 5; | |
303 | return centbin; | |
304 | } | |
305 | ||
306 | ||
307 | //________________________________________________________________________ | |
308 | Int_t AliAnalysisTaskEmcalJetHMEC::GetEtaBin(Double_t eta) const | |
309 | { | |
310 | // Get eta bin for histos. | |
311 | ||
312 | Int_t etabin = -1; | |
313 | if (TMath::Abs(eta)<=0.4) | |
314 | etabin = 0; | |
315 | else if (TMath::Abs(eta)>0.4 && TMath::Abs(eta)<0.8) | |
316 | etabin = 1; | |
317 | else if (TMath::Abs(eta)>=0.8) | |
318 | etabin = 2; | |
319 | return etabin; | |
320 | } | |
321 | //________________________________________________________________________ | |
81941f29 | 322 | Int_t AliAnalysisTaskEmcalJetHMEC::GetpTjetBin(Double_t pt) const |
1101e468 | 323 | { |
81941f29 | 324 | // Get jet pt bin for histos. |
325 | ||
326 | Int_t ptbin = -1; | |
fab37389 | 327 | if (pt>=15 && pt<20) |
81941f29 | 328 | ptbin = 0; |
81941f29 | 329 | else if (pt>=20 && pt<25) |
fab37389 | 330 | ptbin = 1; |
81941f29 | 331 | else if (pt>=25 && pt<30) |
fab37389 | 332 | ptbin = 2; |
333 | else if (pt>=30 && pt<60) | |
81941f29 | 334 | ptbin = 3; |
fab37389 | 335 | else if (pt>=60) |
81941f29 | 336 | ptbin = 4; |
337 | ||
338 | ||
339 | return ptbin; | |
1101e468 | 340 | } |
341 | ||
342 | ||
343 | //________________________________________________________________________ | |
344 | void AliAnalysisTaskEmcalJetHMEC::UserExec(Option_t *) | |
345 | { | |
346 | ||
347 | ||
348 | // Main loop called for each event | |
349 | // esd or aod mode | |
350 | Bool_t esdMode = kTRUE; | |
351 | if (dynamic_cast<AliAODEvent*>(InputEvent())) | |
352 | esdMode = kFALSE; | |
353 | ||
354 | ||
355 | if (esdMode) { | |
356 | // optimization in case autobranch loading is off | |
357 | AliAnalysisManager *am = AliAnalysisManager::GetAnalysisManager(); | |
358 | if (fTracksName == "Tracks") | |
359 | am->LoadBranch("Tracks"); | |
360 | } | |
361 | ||
362 | ||
363 | //get centrality | |
364 | TList *list = InputEvent()->GetList(); | |
365 | AliCentrality *centrality = InputEvent()->GetCentrality() ; | |
366 | Double_t fcent=-1; | |
367 | if(centrality) | |
368 | fcent = centrality->GetCentralityPercentile("V0M"); | |
369 | else | |
370 | fcent=99;//probably pp data | |
371 | ||
372 | if (fcent<0) { | |
373 | AliError(Form("Centrality negative: %f", fcent)); | |
374 | return; | |
375 | } | |
376 | ||
377 | ||
378 | fHistCentrality->Fill(fcent); | |
379 | Int_t centbin = GetCentBin(fcent); | |
380 | ||
1af24178 | 381 | if(centbin<0) |
382 | return; | |
383 | ||
1101e468 | 384 | TClonesArray *jets = 0; |
385 | TClonesArray *tracks = 0; | |
386 | ||
387 | tracks = dynamic_cast<TClonesArray*>(list->FindObject(fTracksName)); | |
388 | if (!tracks) { | |
389 | AliError(Form("Pointer to tracks %s == 0", fTracksName.Data() )); | |
390 | return; | |
391 | } | |
392 | const Int_t Ntracks=tracks->GetEntries(); | |
393 | ||
394 | jets= dynamic_cast<TClonesArray*>(list->FindObject(fJetsName)); | |
395 | const Int_t Njets = jets->GetEntries(); | |
396 | ||
81941f29 | 397 | //Leticia's loop to find hardest track |
398 | ||
399 | Int_t iTT=-1; | |
400 | Double_t ptmax=-10; | |
401 | ||
402 | for (Int_t iTracks = 0; iTracks < Ntracks; iTracks++) | |
403 | { | |
404 | AliVTrack* track = static_cast<AliVTrack*>(tracks->At(iTracks)); | |
405 | if (!track) { | |
406 | printf("ERROR: Could not receive track %d\n", iTracks); | |
407 | continue; | |
408 | } | |
409 | ||
410 | if(TMath::Abs(track->Eta())>0.9) continue; | |
411 | if(track->Pt()<0.15)continue; | |
412 | //iCount++; | |
413 | if(track->Pt()>ptmax){ | |
414 | ptmax=track->Pt(); | |
415 | iTT=iTracks; | |
416 | } | |
417 | } | |
1101e468 | 418 | |
419 | ||
81941f29 | 420 | Int_t ijethi=-1; |
421 | ||
422 | Double_t highestjetpt=0.0; | |
423 | ||
424 | Int_t passedTTcut=0; | |
1101e468 | 425 | |
426 | for (Int_t ijet = 0; ijet < Njets; ijet++) | |
427 | { | |
81941f29 | 428 | |
1101e468 | 429 | AliEmcalJet *jet = static_cast<AliEmcalJet*>(jets->At(ijet)); |
430 | ||
431 | if (!jet) | |
432 | continue; | |
433 | ||
c1076e58 | 434 | if(!AcceptJet(jet)) |
965c985f | 435 | continue; |
1101e468 | 436 | |
1101e468 | 437 | Double_t jetPt = jet->Pt(); |
438 | ||
59d5ae99 | 439 | if(highestjetpt<jetPt){ |
440 | ijethi=ijet; | |
441 | highestjetpt=jetPt; | |
442 | } | |
443 | ||
444 | } | |
445 | ||
446 | ||
447 | ||
c1076e58 | 448 | for (Int_t ijet = 0; ijet < Njets; ijet++){ |
59d5ae99 | 449 | |
c1076e58 | 450 | AliEmcalJet *jet = static_cast<AliEmcalJet*>(jets->At(ijet)); |
451 | ||
452 | if(!AcceptJet(jet)) | |
453 | continue; | |
454 | ||
455 | ||
55f64c2f | 456 | Double_t jetphi = jet->Phi(); |
59d5ae99 | 457 | Double_t jetPt = jet->Pt(); |
55f64c2f | 458 | Double_t jeteta=jet->Eta(); |
1101e468 | 459 | |
41f87d59 | 460 | Double_t leadjet=0; |
461 | if (ijet==ijethi) leadjet=1; | |
462 | ||
463 | ||
965c985f | 464 | fHistJetPt[centbin]->Fill(jet->Pt()); |
41f87d59 | 465 | fHistLeadJetPt[centbin]->Fill(jet->Pt()); |
965c985f | 466 | |
41f87d59 | 467 | if ((jet->MaxTrackPt()>fTrkBias) || (jet->MaxClusterPt()>fClusBias)){ |
965c985f | 468 | fHistJetPtBias[centbin]->Fill(jet->Pt()); |
41f87d59 | 469 | fHistLeadJetPtBias[centbin]->Fill(jet->Pt()); |
470 | } | |
81941f29 | 471 | |
1101e468 | 472 | fHistJetEtaPhi->Fill(jet->Eta(),jetphi); |
473 | ||
1101e468 | 474 | |
81941f29 | 475 | if(iTT>0){ |
476 | AliVTrack* TT = static_cast<AliVTrack*>(tracks->At(iTT)); | |
477 | if(TMath::Abs(jetphi-TT->Phi()-TMath::Pi())<0.6) passedTTcut=1; | |
478 | else passedTTcut=0; | |
479 | } | |
1101e468 | 480 | |
81941f29 | 481 | if(passedTTcut) |
482 | fHistJetPtTT[centbin]->Fill(jet->Pt()); | |
59d5ae99 | 483 | |
81941f29 | 484 | |
52c9d0d3 | 485 | if (highestjetpt>15) { |
81941f29 | 486 | |
81941f29 | 487 | for (Int_t iTracks = 0; iTracks < Ntracks; iTracks++) |
488 | { | |
489 | AliVTrack* track = static_cast<AliVTrack*>(tracks->At(iTracks)); | |
490 | if (!track) { | |
491 | printf("ERROR: Could not receive track %d\n", iTracks); | |
492 | continue; | |
493 | } | |
494 | ||
22d3f9c2 | 495 | if(TMath::Abs(track->Eta())>fTrkEta) continue; |
1101e468 | 496 | |
497 | fHistTrackPt->Fill(track->Pt()); | |
498 | ||
81941f29 | 499 | if (track->Pt()<0.15) |
1101e468 | 500 | continue; |
501 | ||
502 | Double_t trackphi = track->Phi(); | |
503 | if (trackphi > TMath::Pi()) | |
504 | trackphi = trackphi-2*TMath::Pi(); | |
505 | ||
506 | Double_t tracketa=track->Eta(); | |
22d3f9c2 | 507 | Double_t trackpt=track->Pt(); |
1101e468 | 508 | Double_t deta=tracketa-jeteta; |
509 | Int_t ieta=GetEtaBin(deta); | |
510 | ||
511 | //Jet pt, track pt, dPhi,deta,fcent | |
512 | Double_t dphijh = RelativePhi(jetphi,trackphi); | |
513 | if (dphijh < -0.5*TMath::Pi()) | |
22d3f9c2 | 514 | dphijh+= 2*TMath::Pi(); |
515 | if (dphijh > 1.5*TMath::Pi()) dphijh-=2.*TMath::Pi(); | |
516 | ||
1101e468 | 517 | |
518 | Int_t iptjet=-1; | |
519 | iptjet=GetpTjetBin(jetPt); | |
520 | ||
521 | fHistJetH[centbin][iptjet][ieta]->Fill(dphijh,track->Pt()); | |
522 | fHistJetHEtaPhi->Fill(deta,dphijh); | |
22d3f9c2 | 523 | |
524 | Double_t dR=sqrt(deta*deta+dphijh*dphijh); | |
525 | ||
526 | if ((jet->MaxTrackPt()>fTrkBias) || (jet->MaxClusterPt()>fClusBias)){ | |
527 | fHistJetHBias[centbin][iptjet][ieta]->Fill(dphijh,trackpt); | |
528 | ||
c1076e58 | 529 | |
e7fa65db | 530 | Double_t triggerEntries[8] = {fcent,jetPt,trackpt,dR,deta,dphijh,0.0,leadjet}; |
22d3f9c2 | 531 | fhnJH->Fill(triggerEntries); |
532 | } | |
533 | ||
81941f29 | 534 | if(passedTTcut) |
22d3f9c2 | 535 | fHistJetHTT[centbin][iptjet][ieta]->Fill(dphijh,trackpt); |
1101e468 | 536 | |
1101e468 | 537 | |
538 | } //track loop | |
59d5ae99 | 539 | }//jet pt cut |
55f64c2f | 540 | |
c1076e58 | 541 | }//jet loop |
55f64c2f | 542 | |
1af24178 | 543 | |
544 | //Prepare to do event mixing | |
545 | ||
55f64c2f | 546 | // create a list of reduced objects. This speeds up processing and reduces memory consumption for the event pool |
547 | TObjArray* tracksClone = CloneAndReduceTrackList(tracks); | |
548 | //delete tracks; | |
549 | ||
550 | Double_t fvertex[3]={0,0,0}; | |
551 | InputEvent()->GetPrimaryVertex()->GetXYZ(fvertex); | |
41f87d59 | 552 | Double_t zVtx=fvertex[2]; |
965c985f | 553 | |
55f64c2f | 554 | if(fDoEventMixing>0){ |
555 | ||
556 | // event mixing | |
557 | ||
558 | // 1. First get an event pool corresponding in mult (cent) and | |
559 | // zvertex to the current event. Once initialized, the pool | |
560 | // should contain nMix (reduced) events. This routine does not | |
561 | // pre-scan the chain. The first several events of every chain | |
562 | // will be skipped until the needed pools are filled to the | |
563 | // specified depth. If the pool categories are not too rare, this | |
564 | // should not be a problem. If they are rare, you could lose | |
565 | // statistics. | |
566 | ||
567 | // 2. Collect the whole pool's content of tracks into one TObjArray | |
568 | // (bgTracks), which is effectively a single background super-event. | |
569 | ||
570 | // 3. The reduced and bgTracks arrays must both be passed into | |
571 | // FillCorrelations(). Also nMix should be passed in, so a weight | |
572 | // of 1./nMix can be applied. | |
573 | ||
574 | ||
575 | ||
576 | ||
577 | ||
578 | AliEventPool* pool = fPoolMgr->GetEventPool(fcent, zVtx); | |
55f64c2f | 579 | |
580 | if (!pool) | |
581 | AliFatal(Form("No pool found for centrality = %f, zVtx = %f", fcent, zVtx)); | |
582 | ||
583 | ||
1af24178 | 584 | //check for a trigger jet |
c1076e58 | 585 | |
1af24178 | 586 | |
c1076e58 | 587 | if (pool->IsReady() || pool->NTracksInPool() > fMixingTracks / 10 || pool->GetCurrentNEvents() >= 5) |
588 | { | |
589 | ||
590 | for (Int_t ijet = 0; ijet < Njets; ijet++){ | |
591 | ||
592 | Double_t leadjet=0; | |
593 | if (ijet==ijethi) leadjet=1; | |
1af24178 | 594 | |
c1076e58 | 595 | AliEmcalJet *jet = static_cast<AliEmcalJet*>(jets->At(ijet)); |
596 | ||
597 | if(!AcceptJet(jet)) | |
598 | continue; | |
599 | ||
600 | Double_t jetPt = jet->Pt(); | |
1af24178 | 601 | Double_t jetphi = jet->Phi(); |
1af24178 | 602 | Double_t jeteta=jet->Eta(); |
603 | ||
604 | ||
605 | Int_t nMix = pool->GetCurrentNEvents(); | |
606 | ||
965c985f | 607 | //Fill for biased jet triggers only |
608 | if ((jet->MaxTrackPt()>fTrkBias) || (jet->MaxClusterPt()>fClusBias)){ | |
609 | ||
610 | // Fill mixed-event histos here | |
611 | for (Int_t jMix=0; jMix<nMix; jMix++) | |
612 | { | |
613 | TObjArray* bgTracks = pool->GetEvent(jMix); | |
614 | const Int_t Nbgtrks = bgTracks->GetEntries(); | |
615 | for(Int_t ibg=0; ibg<Nbgtrks; ibg++){ | |
616 | AliPicoTrack *part = static_cast<AliPicoTrack*>(bgTracks->At(ibg)); | |
617 | if(!part) continue; | |
618 | ||
619 | Double_t DPhi = jetphi - part->Phi(); | |
620 | Double_t DEta = jeteta - part->Eta(); | |
621 | Double_t DR=TMath::Sqrt(DPhi*DPhi+DEta*DEta); | |
622 | if(DPhi<-0.5*TMath::Pi()) DPhi+=2.*TMath::Pi(); | |
623 | if(DPhi>3./2.*TMath::Pi()) DPhi-=2.*TMath::Pi(); | |
c1076e58 | 624 | Double_t triggerEntries[8] = {fcent,jetPt,part->Pt(),DR,DEta,DPhi,0.0,leadjet}; |
965c985f | 625 | fhnMixedEvents->Fill(triggerEntries,1./nMix); |
626 | ||
627 | ||
628 | } | |
1af24178 | 629 | } |
965c985f | 630 | } |
55f64c2f | 631 | } |
55f64c2f | 632 | } |
55f64c2f | 633 | |
1af24178 | 634 | //update pool if jet in event or not |
635 | pool->UpdatePool(tracksClone); | |
636 | ||
59d5ae99 | 637 | } |
638 | ||
1af24178 | 639 | |
640 | ||
22d3f9c2 | 641 | |
1101e468 | 642 | PostData(1, fOutputList); |
643 | } | |
644 | ||
645 | //________________________________________________________________________ | |
646 | void AliAnalysisTaskEmcalJetHMEC::Terminate(Option_t *) | |
647 | { | |
648 | //just terminate | |
649 | ||
650 | } | |
651 | ||
c1076e58 | 652 | //________________________________________________________________________ |
653 | Int_t AliAnalysisTaskEmcalJetHMEC::AcceptJet(AliEmcalJet *jet) | |
654 | { | |
655 | //applies all jet cuts except pt | |
656 | float jetphi = jet->Phi(); | |
657 | if (jetphi>TMath::Pi()) | |
658 | jetphi = jetphi-2*TMath::Pi(); | |
659 | ||
660 | if ((jet->Phi()<fPhimin)||(jet->Phi()>fPhimax)) | |
661 | return 0; | |
662 | if ((jet->Eta()<fEtamin)||(jet->Eta()>fEtamax)) | |
663 | return 0; | |
664 | if (jet->Area()<fAreacut) | |
665 | return 0; | |
666 | //prevents 0 area jets from sneaking by when area cut == 0 | |
667 | if (jet->Area()==0) | |
668 | return 0; | |
669 | ||
670 | //exclude jets with extremely high pt tracks which are likely misreconstructed | |
671 | if(jet->MaxTrackPt()>100) | |
672 | return 0; | |
673 | ||
674 | //passed all above cuts | |
675 | return 1; | |
676 | ||
677 | } | |
678 | ||
679 | //________________________________________________________________________ | |
680 | ||
55f64c2f | 681 | THnSparse* AliAnalysisTaskEmcalJetHMEC::NewTHnSparseF(const char* name, UInt_t entries) |
682 | { | |
683 | // generate new THnSparseF, axes are defined in GetDimParams() | |
684 | ||
685 | Int_t count = 0; | |
686 | UInt_t tmp = entries; | |
687 | while(tmp!=0){ | |
688 | count++; | |
689 | tmp = tmp &~ -tmp; // clear lowest bit | |
690 | } | |
691 | ||
692 | TString hnTitle(name); | |
693 | const Int_t dim = count; | |
694 | Int_t nbins[dim]; | |
695 | Double_t xmin[dim]; | |
696 | Double_t xmax[dim]; | |
697 | ||
698 | Int_t i=0; | |
699 | Int_t c=0; | |
700 | while(c<dim && i<32){ | |
701 | if(entries&(1<<i)){ | |
702 | ||
703 | TString label(""); | |
704 | GetDimParams(i, label, nbins[c], xmin[c], xmax[c]); | |
705 | hnTitle += Form(";%s",label.Data()); | |
706 | c++; | |
707 | } | |
708 | ||
709 | i++; | |
710 | } | |
711 | hnTitle += ";"; | |
712 | ||
713 | return new THnSparseF(name, hnTitle.Data(), dim, nbins, xmin, xmax); | |
714 | } | |
715 | ||
716 | void AliAnalysisTaskEmcalJetHMEC::GetDimParams(Int_t iEntry, TString &label, Int_t &nbins, Double_t &xmin, Double_t &xmax) | |
717 | { | |
718 | // stores label and binning of axis for THnSparse | |
719 | ||
720 | const Double_t pi = TMath::Pi(); | |
721 | ||
722 | switch(iEntry){ | |
723 | ||
724 | case 0: | |
725 | label = "V0 centrality (%)"; | |
726 | ||
727 | nbins = 10; | |
728 | xmin = 0.; | |
729 | xmax = 100.; | |
730 | break; | |
731 | ||
732 | ||
733 | case 1: | |
734 | label = "corrected jet pt"; | |
735 | nbins = 20; | |
736 | xmin = 0.; | |
737 | xmax = 200.; | |
738 | break; | |
739 | ||
740 | ||
741 | case 2: | |
742 | label = "track pT"; | |
743 | ||
744 | nbins = 100; | |
745 | xmin = 0.; | |
746 | xmax = 10; | |
747 | break; | |
748 | ||
749 | ||
750 | case 3: | |
751 | label = "deltaR"; | |
e7fa65db | 752 | nbins = 10; |
55f64c2f | 753 | xmin = 0.; |
e7fa65db | 754 | xmax = 5.0; |
55f64c2f | 755 | break; |
756 | ||
757 | ||
758 | ||
759 | case 4: | |
760 | label = "deltaEta"; | |
22d3f9c2 | 761 | nbins = 24; |
762 | xmin = -1.2; | |
763 | xmax = 1.2; | |
55f64c2f | 764 | break; |
765 | ||
766 | ||
767 | case 5: | |
768 | label = "deltaPhi"; | |
5b38fc6d | 769 | nbins = 64; |
55f64c2f | 770 | xmin = -0.5*pi; |
771 | xmax = 1.5*pi; | |
772 | break; | |
773 | ||
774 | ||
775 | ||
776 | case 6: | |
777 | label = "leading track"; | |
778 | nbins = 13; | |
779 | xmin = 0; | |
780 | xmax = 50; | |
781 | break; | |
782 | ||
783 | case 7: | |
784 | ||
785 | label = "trigger track"; | |
786 | nbins =10; | |
787 | xmin = 0; | |
788 | xmax = 50; | |
789 | break; | |
790 | ||
c1076e58 | 791 | case 8: |
792 | label = "leading jet"; | |
793 | nbins = 3; | |
794 | xmin = -0.5; | |
795 | xmax = 2.5; | |
796 | break; | |
55f64c2f | 797 | |
798 | ||
799 | } | |
800 | ||
801 | } | |
802 | ||
803 | ||
804 | //_________________________________________________ | |
805 | // From CF event mixing code PhiCorrelations | |
806 | TObjArray* AliAnalysisTaskEmcalJetHMEC::CloneAndReduceTrackList(TObjArray* tracks) | |
807 | { | |
22d3f9c2 | 808 | // clones a track list by using AliPicoTrack which uses much less memory (used for event mixing) |
55f64c2f | 809 | |
810 | TObjArray* tracksClone = new TObjArray; | |
811 | tracksClone->SetOwner(kTRUE); | |
812 | ||
813 | for (Int_t i=0; i<tracks->GetEntriesFast(); i++) | |
814 | { | |
815 | AliVParticle* particle = (AliVParticle*) tracks->At(i); | |
22d3f9c2 | 816 | if(TMath::Abs(particle->Eta())>fTrkEta) continue; |
965c985f | 817 | if(particle->Pt()<0.15)continue; |
818 | ||
22d3f9c2 | 819 | Double_t trackpt=particle->Pt(); |
820 | ||
821 | Int_t hadbin=-1; | |
822 | if(trackpt<0.5) hadbin=0; | |
823 | else if(trackpt<1) hadbin=1; | |
824 | else if(trackpt<2) hadbin=2; | |
825 | else if(trackpt<3) hadbin=3; | |
826 | else if(trackpt<5) hadbin=4; | |
827 | else if(trackpt<8) hadbin=5; | |
828 | else if(trackpt<20) hadbin=6; | |
829 | ||
830 | if(hadbin>-1) fHistTrackEtaPhi[hadbin]->Fill(particle->Eta(),particle->Phi()); | |
831 | ||
832 | ||
5b38fc6d | 833 | tracksClone->Add(new AliPicoTrack(particle->Pt(), particle->Eta(), particle->Phi(), particle->Charge(), 0, 0, 0, 0)); |
55f64c2f | 834 | } |
835 | ||
836 | return tracksClone; | |
837 | } | |
838 | ||
839 | ||
1101e468 | 840 | |
c1076e58 | 841 |