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8417a2aa | 1 | // $Id$ |
2 | // | |
3 | // Hadronic correction task. | |
4 | // | |
5 | // Author: R.Reed, C.Loizides, S.Aiola | |
6 | ||
7 | #include <TChain.h> | |
8 | #include <TClonesArray.h> | |
9 | #include <TH1F.h> | |
10 | #include <TH2F.h> | |
11 | #include <TList.h> | |
12 | ||
13 | #include "AliAnalysisManager.h" | |
14 | #include "AliAODEvent.h" | |
15 | #include "AliAODCaloCluster.h" | |
16 | #include "AliESDCaloCluster.h" | |
17 | #include "AliVTrack.h" | |
18 | #include "AliPicoTrack.h" | |
19 | #include "AliVEventHandler.h" | |
20 | #include "AliEmcalParticle.h" | |
21 | #include "AliEMCALGeometry.h" | |
22 | #include "AliParticleContainer.h" | |
23 | #include "AliClusterContainer.h" | |
24 | ||
25 | #include "AliHadCorrTask.h" | |
26 | ||
27 | ClassImp(AliHadCorrTask) | |
28 | ||
29 | //________________________________________________________________________ | |
30 | AliHadCorrTask::AliHadCorrTask() : | |
31 | AliAnalysisTaskEmcal("AliHadCorrTask", kFALSE), | |
32 | fOutCaloName(), | |
33 | fPhiMatch(0.05), | |
34 | fEtaMatch(0.025), | |
35 | fDoTrackClus(kTRUE), | |
36 | fHadCorr(0), | |
37 | fEexclCell(0), | |
38 | fDoExact(kFALSE), | |
39 | fEsdMode(kTRUE), | |
40 | fOutClusters(0), | |
41 | fHistMatchEtaPhiAll(0), | |
42 | fHistMatchEtaPhiAllTr(0), | |
43 | fHistMatchEtaPhiAllCl(0), | |
44 | fHistNclusvsCent(0), | |
45 | fHistNclusMatchvsCent(0), | |
46 | fHistEbefore(0), | |
47 | fHistEafter(0), | |
48 | fHistEoPCent(0), | |
49 | fHistNMatchCent(0), | |
50 | fHistNClusMatchCent(0) | |
51 | { | |
52 | // Default constructor. | |
53 | ||
54 | for(Int_t i=0; i<8; i++) { | |
55 | fHistEsubPch[i] = 0; | |
56 | fHistEsubPchRat[i] = 0; | |
57 | fHistEsubPchRatAll[i] = 0; | |
58 | ||
59 | if (i<4) { | |
60 | fHistMatchEvsP[i] = 0; | |
61 | fHistMatchdRvsEP[i] = 0; | |
62 | fHistNMatchEnergy[i] = 0; | |
63 | ||
64 | fHistEmbTrackMatchesOversub[i] = 0; | |
65 | fHistNonEmbTrackMatchesOversub[i] = 0; | |
66 | fHistOversubMCClusters[i] = 0; | |
67 | fHistOversubNonMCClusters[i] = 0; | |
68 | fHistOversub[i] = 0; | |
69 | ||
70 | for(Int_t j=0; j<4; j++) | |
71 | fHistNCellsEnergy[i][j] = 0; | |
72 | } | |
73 | ||
74 | for(Int_t j=0; j<9; j++) { | |
75 | for(Int_t k=0; k<2; k++) | |
76 | fHistMatchEtaPhi[i][j][k] = 0; | |
77 | } | |
78 | } | |
79 | } | |
80 | ||
81 | //________________________________________________________________________ | |
82 | AliHadCorrTask::AliHadCorrTask(const char *name, Bool_t histo) : | |
83 | AliAnalysisTaskEmcal(name, histo), | |
84 | fOutCaloName("CaloClustersCorr"), | |
85 | fPhiMatch(0.05), | |
86 | fEtaMatch(0.025), | |
87 | fDoTrackClus(kTRUE), | |
88 | fHadCorr(0), | |
89 | fEexclCell(0), | |
90 | fDoExact(kFALSE), | |
91 | fEsdMode(kTRUE), | |
92 | fOutClusters(0), | |
93 | fHistMatchEtaPhiAll(0), | |
94 | fHistMatchEtaPhiAllTr(0), | |
95 | fHistMatchEtaPhiAllCl(0), | |
96 | fHistNclusvsCent(0), | |
97 | fHistNclusMatchvsCent(0), | |
98 | fHistEbefore(0), | |
99 | fHistEafter(0), | |
100 | fHistEoPCent(0), | |
101 | fHistNMatchCent(0), | |
102 | fHistNClusMatchCent(0) | |
103 | { | |
104 | // Standard constructor. | |
105 | ||
106 | for(Int_t i=0; i<8; i++) { | |
107 | fHistEsubPch[i] = 0; | |
108 | fHistEsubPchRat[i] = 0; | |
109 | fHistEsubPchRatAll[i] = 0; | |
110 | ||
111 | if (i<4) { | |
112 | fHistMatchEvsP[i] = 0; | |
113 | fHistMatchdRvsEP[i] = 0; | |
114 | fHistNMatchEnergy[i] = 0; | |
115 | ||
116 | fHistEmbTrackMatchesOversub[i] = 0; | |
117 | fHistNonEmbTrackMatchesOversub[i] = 0; | |
118 | fHistOversubMCClusters[i] = 0; | |
119 | fHistOversubNonMCClusters[i] = 0; | |
120 | fHistOversub[i] = 0; | |
121 | ||
122 | for(Int_t j=0; j<4; j++) | |
123 | fHistNCellsEnergy[i][j] = 0; | |
124 | } | |
125 | ||
126 | for(Int_t j=0; j<9; j++) { | |
127 | for(Int_t k=0; k<2; k++) | |
128 | fHistMatchEtaPhi[i][j][k] = 0; | |
129 | } | |
130 | } | |
131 | ||
132 | SetMakeGeneralHistograms(histo); | |
133 | ||
134 | fBranchNames="ESD:AliESDRun.,AliESDHeader.,PrimaryVertex."; | |
135 | } | |
136 | ||
137 | //________________________________________________________________________ | |
138 | AliHadCorrTask::~AliHadCorrTask() | |
139 | { | |
140 | // Destructor | |
141 | } | |
142 | ||
143 | //________________________________________________________________________ | |
144 | UInt_t AliHadCorrTask::GetMomBin(Double_t p) const | |
145 | { | |
146 | // Get momenum bin. | |
147 | ||
148 | UInt_t pbin=0; | |
149 | if (p<0.5) | |
150 | pbin=0; | |
151 | else if (p>=0.5 && p<1.0) | |
152 | pbin=1; | |
153 | else if (p>=1.0 && p<1.5) | |
154 | pbin=2; | |
155 | else if (p>=1.5 && p<2.) | |
156 | pbin=3; | |
157 | else if (p>=2. && p<3.) | |
158 | pbin=4; | |
159 | else if (p>=3. && p<4.) | |
160 | pbin=5; | |
161 | else if (p>=4. && p<5.) | |
162 | pbin=6; | |
163 | else if (p>=5. && p<8.) | |
164 | pbin=7; | |
165 | else | |
166 | pbin=8; | |
167 | ||
168 | return pbin; | |
169 | } | |
170 | ||
171 | //________________________________________________________________________ | |
172 | Double_t AliHadCorrTask::GetEtaSigma(Int_t pbin) const | |
173 | { | |
174 | // Get sigma in eta. | |
175 | ||
176 | Double_t EtaSigma[9]={0.0097,0.0075,0.0059,0.0055,0.0053,0.005,0.005,0.0045,0.0042}; | |
177 | return 2.0*EtaSigma[pbin]; | |
178 | } | |
179 | ||
180 | //________________________________________________________________________ | |
181 | Double_t AliHadCorrTask::GetPhiMean(Int_t pbin, Int_t centbin) const | |
182 | { | |
183 | // Get phi mean. | |
184 | ||
185 | if (centbin==0) { | |
186 | Double_t PhiMean[9]={0.036, | |
187 | 0.021, | |
188 | 0.0121, | |
189 | 0.0084, | |
190 | 0.0060, | |
191 | 0.0041, | |
192 | 0.0031, | |
193 | 0.0022, | |
194 | 0.001}; | |
195 | return PhiMean[pbin]; | |
196 | } else if (centbin==1) { | |
197 | Double_t PhiMean[9]={0.036, | |
198 | 0.021, | |
199 | 0.0121, | |
200 | 0.0084, | |
201 | 0.0060, | |
202 | 0.0041, | |
203 | 0.0031, | |
204 | 0.0022, | |
205 | 0.001}; | |
206 | return PhiMean[pbin]; | |
207 | } else if (centbin==2) { | |
208 | Double_t PhiMean[9]={0.036, | |
209 | 0.021, | |
210 | 0.0121, | |
211 | 0.0084, | |
212 | 0.0060, | |
213 | 0.0041, | |
214 | 0.0031, | |
215 | 0.0022, | |
216 | 0.001}; | |
217 | return PhiMean[pbin]; | |
218 | } else if (centbin==3) { | |
219 | Double_t PhiMean[9]={0.036, | |
220 | 0.021, | |
221 | 0.0121, | |
222 | 0.0084, | |
223 | 0.0060, | |
224 | 0.0041, | |
225 | 0.0031, | |
226 | 0.0022, | |
227 | 0.001}; | |
228 | return PhiMean[pbin]; | |
229 | } else if (centbin==4) { | |
230 | Double_t PhiMean[9]={0.036, | |
231 | 0.021, | |
232 | 0.0127, | |
233 | 0.0089, | |
234 | 0.0068, | |
235 | 0.0049, | |
236 | 0.0038, | |
237 | 0.0028, | |
238 | 0.0018}; | |
239 | return PhiMean[pbin]*(-1.); | |
240 | } else if (centbin==5) { | |
241 | Double_t PhiMean[9]={0.036, | |
242 | 0.021, | |
243 | 0.0127, | |
244 | 0.0089, | |
245 | 0.0068, | |
246 | 0.0048, | |
247 | 0.0038, | |
248 | 0.0028, | |
249 | 0.0018}; | |
250 | return PhiMean[pbin]*(-1.); | |
251 | } else if (centbin==6) { | |
252 | Double_t PhiMean[9]={0.036, | |
253 | 0.021, | |
254 | 0.0127, | |
255 | 0.0089, | |
256 | 0.0068, | |
257 | 0.0045, | |
258 | 0.0035, | |
259 | 0.0028, | |
260 | 0.0018}; | |
261 | return PhiMean[pbin]*(-1.); | |
262 | } else if (centbin==7) { | |
263 | Double_t PhiMean[9]={0.036, | |
264 | 0.021, | |
265 | 0.0127, | |
266 | 0.0089, | |
267 | 0.0068, | |
268 | 0.0043, | |
269 | 0.0035, | |
270 | 0.0028, | |
271 | 0.0018}; | |
272 | return PhiMean[pbin]*(-1.); | |
273 | } | |
274 | ||
275 | return 0; | |
276 | } | |
277 | ||
278 | //________________________________________________________________________ | |
279 | Double_t AliHadCorrTask::GetPhiSigma(Int_t pbin, Int_t centbin) const | |
280 | { | |
281 | // Get phi sigma. | |
282 | ||
283 | if (centbin==0) { | |
284 | Double_t PhiSigma[9]={0.0221, | |
285 | 0.0128, | |
286 | 0.0074, | |
287 | 0.0064, | |
288 | 0.0059, | |
289 | 0.0055, | |
290 | 0.0052, | |
291 | 0.0049, | |
292 | 0.0045}; | |
293 | return 2.*PhiSigma[pbin]; | |
294 | } else if (centbin==1) { | |
295 | Double_t PhiSigma[9]={0.0217, | |
296 | 0.0120, | |
297 | 0.0076, | |
298 | 0.0066, | |
299 | 0.0062, | |
300 | 0.0058, | |
301 | 0.0054, | |
302 | 0.0054, | |
303 | 0.0045}; | |
304 | return 2.*PhiSigma[pbin]; | |
305 | } else if (centbin==2) { | |
306 | Double_t PhiSigma[9]={0.0211, | |
307 | 0.0124, | |
308 | 0.0080, | |
309 | 0.0070, | |
310 | 0.0067, | |
311 | 0.0061, | |
312 | 0.0059, | |
313 | 0.0054, | |
314 | 0.0047}; | |
315 | return 2.*PhiSigma[pbin]; | |
316 | } else if (centbin==3) { | |
317 | Double_t PhiSigma[9]={0.0215, | |
318 | 0.0124, | |
319 | 0.0082, | |
320 | 0.0073, | |
321 | 0.0069, | |
322 | 0.0064, | |
323 | 0.0060, | |
324 | 0.0055, | |
325 | 0.0047}; | |
326 | return 2.*PhiSigma[pbin]; | |
327 | } else if (centbin==4) { | |
328 | Double_t PhiSigma[9]={0.0199, | |
329 | 0.0108, | |
330 | 0.0072, | |
331 | 0.0071, | |
332 | 0.0060, | |
333 | 0.0055, | |
334 | 0.0052, | |
335 | 0.0049, | |
336 | 0.0045}; | |
337 | return 2.*PhiSigma[pbin]; | |
338 | } else if (centbin==5) { | |
339 | Double_t PhiSigma[9]={0.0200, | |
340 | 0.0110, | |
341 | 0.0074, | |
342 | 0.0071, | |
343 | 0.0064, | |
344 | 0.0059, | |
345 | 0.0055, | |
346 | 0.0052, | |
347 | 0.0045}; | |
348 | return 2.*PhiSigma[pbin]; | |
349 | } else if (centbin==6) { | |
350 | Double_t PhiSigma[9]={0.0202, | |
351 | 0.0113, | |
352 | 0.0077, | |
353 | 0.0071, | |
354 | 0.0069, | |
355 | 0.0064, | |
356 | 0.0060, | |
357 | 0.0055, | |
358 | 0.0050}; | |
359 | return 2.*PhiSigma[pbin]; | |
360 | } else if (centbin==7) { | |
361 | Double_t PhiSigma[9]={0.0205, | |
362 | 0.0113, | |
363 | 0.0080, | |
364 | 0.0074, | |
365 | 0.0078, | |
366 | 0.0067, | |
367 | 0.0062, | |
368 | 0.0055, | |
369 | 0.0050}; | |
370 | return 2.*PhiSigma[pbin]; | |
371 | } | |
372 | ||
373 | return 0; | |
374 | } | |
375 | ||
376 | //________________________________________________________________________ | |
377 | void AliHadCorrTask::UserCreateOutputObjects() | |
378 | { | |
379 | // Create my user objects. | |
380 | ||
381 | AliAnalysisTaskEmcal::UserCreateOutputObjects(); | |
382 | ||
383 | if (!fCreateHisto) return; | |
384 | ||
385 | TString name; | |
386 | TString temp; | |
387 | ||
388 | const Int_t nCentChBins = fNcentBins * 2; | |
389 | ||
390 | fHistMatchEtaPhiAll = new TH2F("fHistMatchEtaPhiAll", "fHistMatchEtaPhiAll;#Delta#eta;#Delta#phi", fNbins, -0.1, 0.1, fNbins, -0.1, 0.1); | |
391 | fOutput->Add(fHistMatchEtaPhiAll); | |
392 | ||
393 | fHistMatchEtaPhiAllTr = new TH2F("fHistMatchEtaPhiAllTr", "fHistMatchEtaPhiAllTr;#Delta#eta;#Delta#phi", fNbins, -0.1, 0.1, fNbins, -0.1, 0.1); | |
394 | fOutput->Add(fHistMatchEtaPhiAllTr); | |
395 | ||
396 | fHistMatchEtaPhiAllCl = new TH2F("fHistMatchEtaPhiAllCl", "fHistMatchEtaPhiAllCl;#Delta#eta;#Delta#phi", fNbins, -0.1, 0.1, fNbins, -0.1, 0.1); | |
397 | fOutput->Add(fHistMatchEtaPhiAllCl); | |
398 | ||
399 | for(Int_t icent=0; icent<nCentChBins; ++icent) { | |
400 | for(Int_t ipt=0; ipt<9; ++ipt) { | |
401 | for(Int_t ieta=0; ieta<2; ++ieta) { | |
402 | name = Form("fHistMatchEtaPhi_%i_%i_%i",icent,ipt,ieta); | |
403 | fHistMatchEtaPhi[icent][ipt][ieta] = new TH2F(name, name, fNbins, -0.1, 0.1, fNbins, -0.1, 0.1); | |
404 | fHistMatchEtaPhi[icent][ipt][ieta]->SetXTitle("#Delta#eta"); | |
405 | fHistMatchEtaPhi[icent][ipt][ieta]->SetYTitle("#Delta#phi"); | |
406 | fOutput->Add(fHistMatchEtaPhi[icent][ipt][ieta]); | |
407 | } | |
408 | } | |
409 | ||
410 | name = Form("fHistEsubPch_%i",icent); | |
411 | temp = Form("%s (Nmatches==1)",name.Data()); | |
412 | fHistEsubPch[icent]=new TH1F(name, temp, fNbins, fMinBinPt, fMaxBinPt); | |
413 | fHistEsubPch[icent]->SetXTitle("#sum p (GeV) weighted with E_{sub}"); | |
414 | fOutput->Add(fHistEsubPch[icent]); | |
415 | ||
416 | name = Form("fHistEsubPchRat_%i",icent); | |
417 | temp = Form("%s (Nmatches==1)",name.Data()); | |
418 | fHistEsubPchRat[icent]=new TH2F(name, temp, fNbins, fMinBinPt, fMaxBinPt, fNbins*2, 0., 10.); | |
419 | fHistEsubPchRat[icent]->SetXTitle("#Sigma p (GeV)"); | |
420 | fHistEsubPchRat[icent]->SetYTitle("E_{sub} / #sum p"); | |
421 | fOutput->Add(fHistEsubPchRat[icent]); | |
422 | ||
423 | name = Form("fHistEsubPchRatAll_%i",icent); | |
424 | temp = Form("%s (all Nmatches)",name.Data()); | |
425 | fHistEsubPchRatAll[icent]=new TH2F(name, temp, fNbins, fMinBinPt, fMaxBinPt, fNbins*2, 0., 10.); | |
426 | fHistEsubPchRatAll[icent]->SetXTitle("#Sigma p (GeV)"); | |
427 | fHistEsubPchRatAll[icent]->SetYTitle("E_{sub} / #sum p"); | |
428 | fOutput->Add(fHistEsubPchRatAll[icent]); | |
429 | ||
430 | if (icent<fNcentBins) { | |
431 | for(Int_t itrk=0; itrk<4; ++itrk) { | |
432 | name = Form("fHistNCellsEnergy_%i_%i",icent,itrk); | |
433 | temp = Form("%s (Nmatches==%d);N_{cells};E_{clus} (GeV)",name.Data(),itrk); | |
434 | fHistNCellsEnergy[icent][itrk] = new TH2F(name, temp, fNbins, fMinBinPt, fMaxBinPt, 101, -0.5, 100.5); | |
435 | fOutput->Add(fHistNCellsEnergy[icent][itrk]); | |
436 | } | |
437 | ||
438 | name = Form("fHistMatchEvsP_%i",icent); | |
439 | temp = Form("%s (all Nmatches)",name.Data()); | |
440 | fHistMatchEvsP[icent] = new TH2F(name, name, fNbins, fMinBinPt, fMaxBinPt, fNbins*2, 0., 10.); | |
441 | fHistMatchEvsP[icent]->SetXTitle("E_{clus} (GeV)"); | |
442 | fHistMatchEvsP[icent]->SetYTitle("E_{clus} / #sum p"); | |
443 | fOutput->Add(fHistMatchEvsP[icent]); | |
444 | ||
445 | name = Form("fHistMatchdRvsEP_%i",icent); | |
446 | temp = Form("%s (all Nmatches)",name.Data()); | |
447 | fHistMatchdRvsEP[icent] = new TH2F(name, temp, fNbins, 0., 0.2, fNbins*2, 0., 10.); | |
448 | fHistMatchdRvsEP[icent]->SetXTitle("#Delta R between track and cluster"); | |
449 | fHistMatchdRvsEP[icent]->SetYTitle("E_{clus} / p"); | |
450 | fOutput->Add(fHistMatchdRvsEP[icent]); | |
451 | ||
452 | name = Form("fHistNMatchEnergy_%i",icent); | |
453 | fHistNMatchEnergy[icent] = new TH2F(name, name, fNbins, fMinBinPt, fMaxBinPt, 101, -0.5, 100.5); | |
454 | fHistNMatchEnergy[icent]->SetXTitle("E_{clus} (GeV)"); | |
455 | fHistNMatchEnergy[icent]->SetYTitle("N_{matches}"); | |
456 | fOutput->Add(fHistNMatchEnergy[icent]); | |
457 | } | |
458 | } | |
459 | ||
460 | fHistNclusvsCent = new TH1F("Nclusvscent", "NclusVsCent; Cent (%)", 100, 0, 100); | |
461 | fHistNclusMatchvsCent = new TH1F("NclusMatchvscent", "NclusMatchVsCent (all Nmatches); Cent (%)", 100, 0, 100); | |
462 | fHistEbefore = new TH1F("Ebefore", "Ebefore; Cent (%); E_{clus} (GeV)", 100, 0, 100); | |
463 | fHistEafter = new TH1F("Eafter", "Eafter; Cent (%); E_{clus} (GeV)", 100, 0, 100); | |
464 | fHistEoPCent = new TH2F("EoPCent", "EoPCent; Cent (%); E_{clus} / #sum p", 100, 0, 100, fNbins*2, 0, 10); | |
465 | fHistNMatchCent = new TH2F("NMatchesCent", "NMatchesCent; Cent (%); Nmatches", 100, 0, 100, 11, -0.5, 10.5); | |
466 | fHistNClusMatchCent = new TH2F("NClusMatchesCent", "NClusMatchesCent; Cent (%); Nmatches", 100, 0, 100, 11, -0.5, 10.5); | |
467 | ||
468 | fOutput->Add(fHistNclusMatchvsCent); | |
469 | fOutput->Add(fHistNclusvsCent); | |
470 | fOutput->Add(fHistEbefore); | |
471 | fOutput->Add(fHistEafter); | |
472 | fOutput->Add(fHistEoPCent); | |
473 | fOutput->Add(fHistNMatchCent); | |
474 | fOutput->Add(fHistNClusMatchCent); | |
475 | ||
476 | if (fIsEmbedded) { | |
477 | for(Int_t icent=0; icent<fNcentBins; ++icent) { | |
478 | name = Form("fHistEmbTrackMatchesOversub_%d",icent); | |
479 | fHistEmbTrackMatchesOversub[icent] = new TH2F(name, name, fNbins, fMinBinPt, fMaxBinPt, fNbins, 0, 1.2); | |
480 | fHistEmbTrackMatchesOversub[icent]->GetXaxis()->SetTitle("E_{clus}^{raw} (GeV)"); | |
481 | fHistEmbTrackMatchesOversub[icent]->GetYaxis()->SetTitle("E_{oversub} / E_{clus}^{raw}"); | |
482 | fOutput->Add(fHistEmbTrackMatchesOversub[icent]); | |
483 | ||
484 | name = Form("fHistNonEmbTrackMatchesOversub_%d",icent); | |
485 | fHistNonEmbTrackMatchesOversub[icent] = new TH2F(name, name, fNbins, fMinBinPt, fMaxBinPt, fNbins, 0, 1.2); | |
486 | fHistNonEmbTrackMatchesOversub[icent]->GetXaxis()->SetTitle("E_{clus}^{raw} (GeV)"); | |
487 | fHistNonEmbTrackMatchesOversub[icent]->GetYaxis()->SetTitle("E_{oversub} / E_{clus}^{raw}"); | |
488 | fOutput->Add(fHistNonEmbTrackMatchesOversub[icent]); | |
489 | ||
490 | name = Form("fHistOversubMCClusters_%d",icent); | |
491 | fHistOversubMCClusters[icent] = new TH2F(name, name, fNbins, fMinBinPt, fMaxBinPt, fNbins, 0, 1.2); | |
492 | fHistOversubMCClusters[icent]->GetXaxis()->SetTitle("E_{clus}^{raw} (GeV)"); | |
493 | fHistOversubMCClusters[icent]->GetYaxis()->SetTitle("E_{oversub} / E_{clus}^{raw}"); | |
494 | fOutput->Add(fHistOversubMCClusters[icent]); | |
495 | ||
496 | name = Form("fHistOversubNonMCClusters_%d",icent); | |
497 | fHistOversubNonMCClusters[icent] = new TH2F(name, name, fNbins, fMinBinPt, fMaxBinPt, fNbins, 0, 1.2); | |
498 | fHistOversubNonMCClusters[icent]->GetXaxis()->SetTitle("E_{clus}^{raw} (GeV)"); | |
499 | fHistOversubNonMCClusters[icent]->GetYaxis()->SetTitle("E_{oversub} / E_{clus}^{raw}"); | |
500 | fOutput->Add(fHistOversubNonMCClusters[icent]); | |
501 | ||
502 | name = Form("fHistOversub_%d",icent); | |
503 | fHistOversub[icent] = new TH2F(name, name, fNbins, fMinBinPt, fMaxBinPt, fNbins, 0, 1.2); | |
504 | fHistOversub[icent]->GetXaxis()->SetTitle("E_{clus}^{raw} (GeV)"); | |
505 | fHistOversub[icent]->GetYaxis()->SetTitle("E_{oversub} / E_{clus}^{raw}"); | |
506 | fOutput->Add(fHistOversub[icent]); | |
507 | } | |
508 | } | |
509 | ||
510 | PostData(1, fOutput); | |
511 | } | |
512 | ||
513 | //________________________________________________________________________ | |
514 | void AliHadCorrTask::ExecOnce() | |
515 | { | |
516 | // Initialize the analysis. | |
517 | ||
518 | if (fParticleCollArray.GetEntriesFast()<2) { | |
519 | AliError(Form("Wrong number of particle collections (%d), required 2",fParticleCollArray.GetEntriesFast())); | |
520 | return; | |
521 | } | |
522 | ||
523 | for (Int_t i = 0; i < 2; i++) { | |
524 | AliParticleContainer *cont = static_cast<AliParticleContainer*>(fParticleCollArray.At(i)); | |
525 | cont->SetClassName("AliEmcalParticle"); | |
526 | } | |
527 | ||
528 | // Do base class initializations and if it fails -> bail out | |
529 | AliAnalysisTaskEmcal::ExecOnce(); | |
530 | if (!fInitialized) return; | |
531 | ||
532 | if (dynamic_cast<AliAODEvent*>(InputEvent())) fEsdMode = kFALSE; | |
533 | ||
534 | if (fEsdMode) | |
535 | fOutClusters = new TClonesArray("AliESDCaloCluster"); | |
536 | else | |
537 | fOutClusters = new TClonesArray("AliAODCaloCluster"); | |
538 | ||
539 | fOutClusters->SetName(fOutCaloName); | |
540 | ||
541 | // post output in event if not yet present | |
542 | if (!(InputEvent()->FindListObject(fOutCaloName))) { | |
543 | InputEvent()->AddObject(fOutClusters); | |
544 | } | |
545 | else { | |
546 | fInitialized = kFALSE; | |
547 | AliFatal(Form("%s: Container with same name %s already present. Aborting", GetName(), fOutCaloName.Data())); | |
548 | return; | |
549 | } | |
550 | } | |
551 | ||
552 | //________________________________________________________________________ | |
553 | void AliHadCorrTask::DoTrackLoop() | |
554 | { | |
555 | // Loop over tracks to provide some QA | |
556 | ||
557 | AliParticleContainer *tracks = static_cast<AliParticleContainer*>(fParticleCollArray.At(0)); | |
558 | AliParticleContainer *clusters = static_cast<AliParticleContainer*>(fParticleCollArray.At(1)); | |
559 | ||
560 | AliEmcalParticle *emctrack = 0; | |
561 | ||
562 | tracks->ResetCurrentID(); | |
563 | while ((emctrack = static_cast<AliEmcalParticle*>(tracks->GetNextAcceptParticle()))) { | |
564 | Int_t NmatchClus = 0; | |
565 | ||
566 | if (!emctrack->IsEMCAL()) continue; | |
567 | ||
568 | AliVTrack *track = emctrack->GetTrack(); | |
569 | if (!track) continue; | |
570 | ||
571 | if (track->GetTrackEtaOnEMCal() < fGeom->GetArm1EtaMin() - fEtaMatch || | |
572 | track->GetTrackEtaOnEMCal() > fGeom->GetArm1EtaMax() + fEtaMatch || | |
573 | track->GetTrackPhiOnEMCal() < fGeom->GetArm1PhiMin() * TMath::DegToRad() - fPhiMatch || | |
574 | track->GetTrackPhiOnEMCal() > fGeom->GetArm1PhiMax() * TMath::DegToRad() + fPhiMatch) | |
575 | continue; | |
576 | ||
577 | Int_t Nclus = emctrack->GetNumberOfMatchedObj(); | |
578 | ||
579 | for (Int_t iClus = 0; iClus < Nclus; ++iClus) { | |
580 | AliEmcalParticle *emccluster = | |
581 | static_cast<AliEmcalParticle*>(clusters->GetAcceptParticle(emctrack->GetMatchedObjId(iClus))); | |
582 | if (!emccluster) continue; | |
583 | ||
584 | AliVCluster *cluster = emccluster->GetCluster(); | |
8417a2aa | 585 | if (!cluster) continue; |
4dde7ef1 | 586 | if (!cluster->IsEMCAL()) continue; |
8417a2aa | 587 | |
588 | Double_t etadiff = 999; | |
589 | Double_t phidiff = 999; | |
590 | AliPicoTrack::GetEtaPhiDiff(track, cluster, phidiff, etadiff); | |
591 | fHistMatchEtaPhiAllTr->Fill(etadiff,phidiff); | |
592 | ||
593 | if (TMath::Abs(phidiff) < fPhiMatch && TMath::Abs(etadiff) < fEtaMatch) NmatchClus++; | |
594 | } | |
595 | fHistNClusMatchCent->Fill(fCent, NmatchClus); | |
596 | } | |
597 | } | |
598 | ||
599 | //________________________________________________________________________ | |
600 | void AliHadCorrTask::DoMatchedTracksLoop(AliEmcalParticle *emccluster, | |
601 | Double_t &totalTrkP, Int_t &Nmatches, Double_t &trkPMCfrac, Int_t &NMCmatches) | |
602 | { | |
603 | // Do the loop over matched tracks for cluster emccluster. | |
604 | ||
605 | AliParticleContainer *tracks = static_cast<AliParticleContainer*>(fParticleCollArray.At(0)); | |
606 | AliVCluster *cluster = emccluster->GetCluster(); | |
607 | Int_t iClus = emccluster->IdInCollection(); | |
608 | ||
609 | // loop over matched tracks | |
610 | const Int_t Ntrks = emccluster->GetNumberOfMatchedObj(); | |
611 | for (Int_t i = 0; i < Ntrks; ++i) { | |
612 | Int_t iTrack = emccluster->GetMatchedObjId(i); | |
613 | ||
614 | AliEmcalParticle *emctrack = static_cast<AliEmcalParticle*>(tracks->GetAcceptParticle(iTrack)); | |
615 | if (!emctrack) continue; | |
616 | ||
617 | AliVTrack *track = emctrack->GetTrack(); | |
618 | if (!track) continue; | |
619 | ||
620 | Double_t etadiff = 999; | |
621 | Double_t phidiff = 999; | |
622 | AliPicoTrack::GetEtaPhiDiff(track, cluster, phidiff, etadiff); | |
623 | if (fCreateHisto) | |
624 | fHistMatchEtaPhiAllCl->Fill(etadiff, phidiff); | |
625 | ||
626 | // check if track also points to cluster | |
627 | if (fDoTrackClus && (emctrack->GetMatchedObjId(0)) != iClus) continue; | |
628 | ||
629 | Double_t mom = track->P(); | |
630 | UInt_t mombin = GetMomBin(mom); | |
631 | Int_t centbinch = fCentBin; | |
632 | if (track->Charge()<0) | |
633 | centbinch += fNcentBins; | |
634 | ||
635 | if (fCreateHisto) { | |
636 | Int_t etabin = 0; | |
637 | if(track->Eta() > 0) etabin=1; | |
638 | fHistMatchEtaPhi[centbinch][mombin][etabin]->Fill(etadiff, phidiff); | |
639 | fHistMatchEtaPhiAll->Fill(etadiff, phidiff); | |
640 | } | |
641 | ||
642 | Double_t etaCut = 0.0; | |
643 | Double_t phiCutlo = 0.0; | |
644 | Double_t phiCuthi = 0.0; | |
645 | ||
646 | if (fPhiMatch > 0) { | |
647 | phiCutlo = -fPhiMatch; | |
648 | phiCuthi = +fPhiMatch; | |
649 | } else { | |
650 | phiCutlo = GetPhiMean(mombin, centbinch) - GetPhiSigma(mombin, fCentBin); | |
651 | phiCuthi = GetPhiMean(mombin, centbinch) + GetPhiSigma(mombin, fCentBin); | |
652 | } | |
653 | ||
654 | if (fEtaMatch > 0) { | |
655 | etaCut = fEtaMatch; | |
656 | } else { | |
657 | etaCut = GetEtaSigma(mombin); | |
658 | } | |
659 | ||
660 | if ((phidiff < phiCuthi && phidiff > phiCutlo) && TMath::Abs(etadiff) < etaCut) { | |
661 | if (track->GetLabel() > fMinMCLabel) { | |
662 | ++NMCmatches; | |
663 | trkPMCfrac += mom; | |
664 | } | |
665 | ++Nmatches; | |
666 | totalTrkP += mom; | |
667 | ||
668 | if (fCreateHisto) { | |
669 | if (fHadCorr > 1) { | |
670 | Double_t dR = emccluster->GetMatchedObjDistance(i); | |
671 | Double_t energyclus = cluster->E(); | |
672 | fHistMatchdRvsEP[fCentBin]->Fill(dR, energyclus / mom); | |
673 | } | |
674 | } | |
675 | } | |
676 | } | |
677 | ||
678 | if (totalTrkP > 0) | |
679 | trkPMCfrac /= totalTrkP; | |
680 | } | |
681 | ||
682 | //________________________________________________________________________ | |
683 | Bool_t AliHadCorrTask::Run() | |
684 | { | |
685 | // Run the hadronic correction | |
686 | ||
687 | AliParticleContainer *clusters = static_cast<AliParticleContainer*>(fParticleCollArray.At(1)); | |
688 | AliEmcalParticle *emccluster = 0; | |
689 | ||
690 | // provide some additional histograms | |
691 | if (fCreateHisto) | |
692 | DoTrackLoop(); | |
693 | ||
694 | // delete output | |
695 | fOutClusters->Delete(); | |
696 | ||
697 | Int_t clusCount = 0; | |
698 | ||
699 | // loop over all clusters | |
700 | clusters->ResetCurrentID(); | |
701 | while ((emccluster = static_cast<AliEmcalParticle*>(clusters->GetNextAcceptParticle()))) { | |
702 | if (!emccluster->IsEMCAL()) continue; | |
703 | ||
704 | AliVCluster *cluster = emccluster->GetCluster(); | |
705 | if (!cluster) continue; | |
706 | ||
707 | Double_t energyclus = 0; | |
708 | if (fCreateHisto) { | |
709 | fHistEbefore->Fill(fCent, cluster->E()); | |
710 | fHistNclusvsCent->Fill(fCent); | |
711 | } | |
712 | ||
713 | // apply correction / subtraction | |
714 | // to subtract only the closest track set fHadCor to a % | |
715 | // to subtract all tracks within the cut set fHadCor to %+1 | |
716 | if (fHadCorr > 1) | |
717 | energyclus = ApplyHadCorrAllTracks(emccluster, fHadCorr - 1); | |
718 | else if (fHadCorr > 0) | |
719 | energyclus = ApplyHadCorrOneTrack(emccluster, fHadCorr); | |
720 | else | |
721 | energyclus = cluster->E(); | |
722 | ||
723 | if (energyclus < 0) | |
724 | energyclus = 0; | |
725 | ||
726 | if (energyclus > 0) { // create corrected cluster | |
727 | AliVCluster *oc; | |
728 | if (fEsdMode) { | |
729 | AliESDCaloCluster *ec = dynamic_cast<AliESDCaloCluster*>(cluster); | |
730 | if (!ec) continue; | |
731 | oc = new ((*fOutClusters)[clusCount]) AliESDCaloCluster(*ec); | |
732 | } else { | |
733 | AliAODCaloCluster *ac = dynamic_cast<AliAODCaloCluster*>(cluster); | |
734 | if (!ac) continue; | |
735 | oc = new ((*fOutClusters)[clusCount]) AliAODCaloCluster(*ac); | |
736 | } | |
737 | oc->SetE(energyclus); | |
738 | ||
739 | ++clusCount; | |
740 | ||
741 | if (fCreateHisto) fHistEafter->Fill(fCent, energyclus); | |
742 | } | |
743 | } | |
744 | ||
745 | return kTRUE; | |
746 | } | |
747 | ||
748 | //________________________________________________________________________ | |
749 | Double_t AliHadCorrTask::ApplyHadCorrOneTrack(AliEmcalParticle *emccluster, Double_t hadCorr) | |
750 | { | |
751 | // Apply the hadronic correction with one track only. | |
752 | ||
753 | AliVCluster *cluster = emccluster->GetCluster(); | |
754 | if (!cluster) return 0; | |
755 | ||
756 | Double_t energyclus = cluster->E(); | |
757 | Int_t iMin = emccluster->GetMatchedObjId(); | |
758 | if (iMin < 0) | |
759 | return energyclus; | |
760 | ||
761 | AliParticleContainer *tracks = static_cast<AliParticleContainer*>(fParticleCollArray.At(0)); | |
762 | AliEmcalParticle *emctrack = static_cast<AliEmcalParticle*>(tracks->GetParticle(iMin)); | |
763 | if (!emctrack) return energyclus; | |
764 | ||
765 | AliVTrack *track = emctrack->GetTrack(); | |
766 | if (!track) return energyclus; | |
767 | ||
768 | Double_t mom = track->P(); | |
769 | if (mom < 1e-6) return energyclus; | |
770 | ||
771 | Double_t dEtaMin = 1e9; | |
772 | Double_t dPhiMin = 1e9; | |
773 | AliPicoTrack::GetEtaPhiDiff(track, cluster, dPhiMin, dEtaMin); | |
774 | if (fCreateHisto) | |
775 | fHistMatchEtaPhiAllCl->Fill(dEtaMin, dPhiMin); | |
776 | ||
777 | // check if track also points to cluster | |
778 | Int_t cid = emctrack->GetMatchedObjId(); | |
779 | if (fDoTrackClus && (cid!=emccluster->IdInCollection())) return energyclus; | |
780 | ||
781 | UInt_t mombin = GetMomBin(mom); | |
782 | Int_t centbinch = fCentBin; | |
783 | if (track->Charge()<0) centbinch += fNcentBins; | |
784 | ||
785 | // plot some histograms if switched on | |
786 | if (fCreateHisto) { | |
787 | Int_t etabin = 0; | |
788 | if(track->Eta() > 0) | |
789 | etabin = 1; | |
790 | ||
791 | fHistMatchEtaPhi[centbinch][mombin][etabin]->Fill(dEtaMin, dPhiMin); | |
792 | fHistMatchEtaPhiAll->Fill(dEtaMin, dPhiMin); | |
793 | ||
794 | if (mom > 0) { | |
795 | Double_t dRmin = emccluster->GetMatchedObjDistance(); | |
796 | fHistMatchEvsP[fCentBin]->Fill(energyclus, energyclus / mom); | |
797 | fHistEoPCent->Fill(fCent, energyclus / mom); | |
798 | fHistMatchdRvsEP[fCentBin]->Fill(dRmin, energyclus / mom); | |
799 | } | |
800 | } | |
801 | ||
802 | // define eta/phi cuts | |
803 | Double_t etaCut = 0.0; | |
804 | Double_t phiCutlo = 0.0; | |
805 | Double_t phiCuthi = 0.0; | |
806 | if (fPhiMatch > 0) { | |
807 | phiCutlo = -fPhiMatch; | |
808 | phiCuthi = +fPhiMatch; | |
809 | } | |
810 | else { | |
811 | phiCutlo = GetPhiMean(mombin, centbinch) - GetPhiSigma(mombin, fCentBin); | |
812 | phiCuthi = GetPhiMean(mombin, centbinch) + GetPhiSigma(mombin, fCentBin); | |
813 | } | |
814 | if(fEtaMatch > 0) { | |
815 | etaCut = fEtaMatch; | |
816 | } | |
817 | else { | |
818 | etaCut = GetEtaSigma(mombin); | |
819 | } | |
820 | ||
821 | // apply the correction if the track is in the eta/phi window | |
822 | if ((dPhiMin < phiCuthi && dPhiMin > phiCutlo) && TMath::Abs(dEtaMin) < etaCut) { | |
823 | energyclus -= hadCorr * mom; | |
824 | } | |
825 | ||
826 | return energyclus; | |
827 | } | |
828 | ||
829 | //________________________________________________________________________ | |
830 | Double_t AliHadCorrTask::ApplyHadCorrAllTracks(AliEmcalParticle *emccluster, Double_t hadCorr) | |
831 | { | |
832 | // Apply the hadronic correction with all tracks. | |
833 | ||
834 | AliParticleContainer *tracks = static_cast<AliParticleContainer*>(fParticleCollArray.At(0)); | |
835 | ||
836 | AliVCluster *cluster = emccluster->GetCluster(); | |
837 | ||
838 | Double_t energyclus = cluster->E(); | |
839 | Double_t cNcells = cluster->GetNCells(); | |
840 | ||
841 | Double_t totalTrkP = 0.0; // count total track momentum | |
842 | Int_t Nmatches = 0; // count total number of matches | |
843 | ||
844 | Double_t trkPMCfrac = 0.0; // count total track momentum | |
845 | Int_t NMCmatches = 0; // count total number of matches | |
846 | ||
847 | // do the loop over the matched tracks and get the number of matches and the total momentum | |
848 | DoMatchedTracksLoop(emccluster, totalTrkP, Nmatches, trkPMCfrac, NMCmatches); | |
849 | ||
850 | Double_t Esub = hadCorr * totalTrkP; | |
851 | ||
852 | if (Esub > energyclus) Esub = energyclus; | |
853 | ||
854 | // applying Peter's proposed algorithm | |
855 | // never subtract the full energy of the cluster | |
856 | Double_t clusEexcl = fEexclCell * cNcells; | |
857 | if (energyclus < clusEexcl) clusEexcl = energyclus; | |
858 | if ((energyclus - Esub) < clusEexcl) Esub = (energyclus - clusEexcl); | |
859 | ||
860 | // embedding | |
861 | Double_t EsubMC = 0; | |
862 | Double_t EsubBkg = 0; | |
863 | Double_t EclusMC = 0; | |
864 | Double_t EclusBkg = 0; | |
865 | Double_t EclusCorr = 0; | |
866 | Double_t EclusMCcorr = 0; | |
867 | Double_t EclusBkgcorr = 0; | |
868 | Double_t overSub = 0; | |
869 | if (fIsEmbedded) { | |
870 | EsubMC = hadCorr * totalTrkP * trkPMCfrac; | |
871 | EsubBkg = hadCorr * totalTrkP - EsubMC; | |
872 | EclusMC = energyclus * cluster->GetMCEnergyFraction(); | |
873 | EclusBkg = energyclus - EclusMC; | |
874 | ||
875 | if (energyclus > Esub) | |
876 | EclusCorr = energyclus - Esub; | |
877 | ||
878 | if (EclusMC > EsubMC) | |
879 | EclusMCcorr = EclusMC - EsubMC; | |
880 | ||
881 | if (EclusBkg > EsubBkg) | |
882 | EclusBkgcorr = EclusBkg - EsubBkg; | |
883 | ||
884 | overSub = EclusMCcorr + EclusBkgcorr - EclusCorr; | |
885 | } | |
886 | ||
887 | // plot some histograms if switched on | |
888 | if (fCreateHisto) { | |
889 | fHistNMatchCent->Fill(fCent, Nmatches); | |
890 | fHistNMatchEnergy[fCentBin]->Fill(energyclus, Nmatches); | |
891 | ||
892 | if(Nmatches > 0) | |
893 | fHistNclusMatchvsCent->Fill(fCent); | |
894 | ||
895 | if(Nmatches < 3) | |
896 | fHistNCellsEnergy[fCentBin][Nmatches]->Fill(energyclus, cNcells); | |
897 | else | |
898 | fHistNCellsEnergy[fCentBin][3]->Fill(energyclus, cNcells); | |
899 | ||
900 | if (totalTrkP>0) { | |
901 | Double_t EoP = energyclus / totalTrkP; | |
902 | fHistEoPCent->Fill(fCent, EoP); | |
903 | fHistMatchEvsP[fCentBin]->Fill(energyclus, EoP); | |
904 | ||
905 | fHistEsubPchRatAll[fCentBin]->Fill(totalTrkP, Esub / totalTrkP); | |
906 | ||
907 | if (Nmatches == 1) { | |
908 | Int_t iMin = emccluster->GetMatchedObjId(); | |
909 | AliEmcalParticle *emctrack = static_cast<AliEmcalParticle*>(tracks->GetParticle(iMin)); | |
910 | if (emctrack) { | |
911 | AliVTrack *track = emctrack->GetTrack(); | |
912 | if (track) { | |
913 | Int_t centbinchm = fCentBin; | |
914 | if (track->Charge()<0) centbinchm += fNcentBins; | |
915 | fHistEsubPchRat[centbinchm]->Fill(totalTrkP, Esub / totalTrkP); | |
916 | fHistEsubPch[centbinchm]->Fill(totalTrkP, Esub); | |
917 | } | |
918 | } | |
919 | } | |
920 | ||
921 | if (fIsEmbedded) { | |
922 | fHistOversub[fCentBin]->Fill(energyclus, overSub / energyclus); | |
923 | ||
924 | if (cluster->GetMCEnergyFraction() > 0.95) | |
925 | fHistOversubMCClusters[fCentBin]->Fill(energyclus, overSub / energyclus); | |
926 | else if (cluster->GetMCEnergyFraction() < 0.05) | |
927 | fHistOversubNonMCClusters[fCentBin]->Fill(energyclus, overSub / energyclus); | |
928 | ||
929 | if (trkPMCfrac < 0.05) | |
930 | fHistNonEmbTrackMatchesOversub[fCentBin]->Fill(energyclus, overSub / energyclus); | |
931 | else if (trkPMCfrac > 0.95) | |
932 | fHistEmbTrackMatchesOversub[fCentBin]->Fill(energyclus, overSub / energyclus); | |
933 | } | |
934 | } | |
935 | } | |
936 | ||
937 | if (fIsEmbedded && fDoExact) { | |
938 | Esub -= overSub; | |
939 | if (EclusBkgcorr + EclusMCcorr > 0) { | |
940 | Double_t newfrac = EclusMCcorr / (EclusBkgcorr + EclusMCcorr); | |
941 | cluster->SetMCEnergyFraction(newfrac); | |
942 | } | |
943 | } | |
944 | ||
945 | // apply the correction | |
946 | energyclus -= Esub; | |
947 | ||
948 | return energyclus; | |
949 | } |