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379592af | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-2009, 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 | //----------------------------------------------------------------------- | |
17 | // Class for HF corrections as a function of many variables | |
18 | // 6 Steps introduced: MC, MC Acc, Reco, Reco Acc, Reco Acc + ITS Cl, | |
19 | // Reco Acc + ITS Cl + PPR cuts | |
20 | // 12 variables used: pt, y, cosThetaStar, ptPi, ptK, ct, | |
21 | // dca, d0Pi, d0K, d0Pixd0K, cosPointingAngle, phi | |
22 | // | |
23 | //----------------------------------------------------------------------- | |
24 | // Author : C. Zampolli, CERN | |
25 | // D. Caffarri, Univ & INFN Padova caffarri@pd.infn.it | |
26 | //----------------------------------------------------------------------- | |
27 | //----------------------------------------------------------------------- | |
28 | // Base class for HF Unfolding (pt and eta) | |
29 | // correlation matrix filled at Acceptance and PPR level | |
30 | // Author: A.Grelli , Utrecht - agrelli@uu.nl | |
31 | //----------------------------------------------------------------------- | |
32 | #include <TCanvas.h> | |
33 | #include <TParticle.h> | |
34 | #include <TDatabasePDG.h> | |
35 | #include <TH1I.h> | |
36 | #include <TStyle.h> | |
37 | #include <TFile.h> | |
38 | ||
39 | #include "AliCFTaskVertexingHF.h" | |
40 | #include "AliStack.h" | |
41 | #include "AliMCEvent.h" | |
42 | #include "AliCFManager.h" | |
43 | #include "AliCFContainer.h" | |
44 | #include "AliLog.h" | |
45 | #include "AliAnalysisManager.h" | |
46 | #include "AliAODHandler.h" | |
47 | #include "AliAODEvent.h" | |
48 | #include "AliAODRecoDecay.h" | |
49 | #include "AliAODRecoDecayHF.h" | |
50 | #include "AliAODRecoDecayHF2Prong.h" | |
f2703bd2 | 51 | #include "AliAODRecoDecayHF3Prong.h" |
52 | #include "AliAODRecoDecayHF4Prong.h" | |
53 | #include "AliAODRecoCascadeHF.h" | |
379592af | 54 | #include "AliAODMCParticle.h" |
55 | #include "AliAODMCHeader.h" | |
56 | #include "AliESDtrack.h" | |
57 | #include "TChain.h" | |
58 | #include "THnSparse.h" | |
59 | #include "TH2D.h" | |
60 | #include "AliESDtrackCuts.h" | |
f2703bd2 | 61 | #include "AliRDHFCuts.h" |
379592af | 62 | #include "AliRDHFCutsD0toKpi.h" |
f2703bd2 | 63 | #include "AliRDHFCutsDplustoKpipi.h" |
64 | #include "AliRDHFCutsDStartoKpipi.h" | |
65 | #include "AliRDHFCutsDstoKKpi.h" | |
66 | #include "AliRDHFCutsLctopKpi.h" | |
67 | #include "AliRDHFCutsD0toKpipipi.h" | |
379592af | 68 | #include "AliCFVertexingHF2Prong.h" |
4e600f58 | 69 | #include "AliCFVertexingHF3Prong.h" |
367e9aa3 | 70 | #include "AliCFVertexingHFCascade.h" |
379592af | 71 | #include "AliCFVertexingHF.h" |
f2703bd2 | 72 | #include "AliAnalysisDataSlot.h" |
73 | #include "AliAnalysisDataContainer.h" | |
379592af | 74 | |
75 | //__________________________________________________________________________ | |
76 | AliCFTaskVertexingHF::AliCFTaskVertexingHF() : | |
f2703bd2 | 77 | AliAnalysisTaskSE(), |
f2703bd2 | 78 | fCFManager(0x0), |
79 | fHistEventsProcessed(0x0), | |
80 | fCorrelation(0x0), | |
81 | fCountMC(0), | |
82 | fCountAcc(0), | |
83 | fCountVertex(0), | |
84 | fCountRefit(0), | |
85 | fCountReco(0), | |
86 | fCountRecoAcc(0), | |
87 | fCountRecoITSClusters(0), | |
88 | fCountRecoPPR(0), | |
89 | fCountRecoPID(0), | |
90 | fEvents(0), | |
91 | fDecayChannel(0), | |
92 | fFillFromGenerated(kFALSE), | |
93 | fOriginDselection(0), | |
94 | fAcceptanceUnf(kTRUE), | |
95 | fCuts(0), | |
96 | fUseWeight(kFALSE), | |
97 | fWeight(1.), | |
31da6b05 | 98 | fNvar(0), |
99 | fPartName(""), | |
3ee5eb83 | 100 | fDauNames(""), |
b7af2639 | 101 | fSign(2), |
fbec9fa9 | 102 | fCentralitySelection(kTRUE), |
103 | fFakeSelection(0) | |
379592af | 104 | { |
105 | // | |
106 | //Default ctor | |
107 | // | |
108 | } | |
109 | //___________________________________________________________________________ | |
f2703bd2 | 110 | AliCFTaskVertexingHF::AliCFTaskVertexingHF(const Char_t* name, AliRDHFCuts* cuts) : |
111 | AliAnalysisTaskSE(name), | |
f2703bd2 | 112 | fCFManager(0x0), |
113 | fHistEventsProcessed(0x0), | |
114 | fCorrelation(0x0), | |
115 | fCountMC(0), | |
116 | fCountAcc(0), | |
117 | fCountVertex(0), | |
118 | fCountRefit(0), | |
119 | fCountReco(0), | |
120 | fCountRecoAcc(0), | |
121 | fCountRecoITSClusters(0), | |
122 | fCountRecoPPR(0), | |
123 | fCountRecoPID(0), | |
124 | fEvents(0), | |
125 | fDecayChannel(0), | |
126 | fFillFromGenerated(kFALSE), | |
127 | fOriginDselection(0), | |
128 | fAcceptanceUnf(kTRUE), | |
129 | fCuts(cuts), | |
130 | fUseWeight(kFALSE), | |
131 | fWeight(1.), | |
31da6b05 | 132 | fNvar(0), |
133 | fPartName(""), | |
3ee5eb83 | 134 | fDauNames(""), |
b7af2639 | 135 | fSign(2), |
fbec9fa9 | 136 | fCentralitySelection(kTRUE), |
137 | fFakeSelection(0) | |
379592af | 138 | { |
139 | // | |
140 | // Constructor. Initialization of Inputs and Outputs | |
141 | // | |
379592af | 142 | /* |
f2703bd2 | 143 | DefineInput(0) and DefineOutput(0) |
144 | are taken care of by AliAnalysisTaskSE constructor | |
145 | */ | |
379592af | 146 | DefineOutput(1,TH1I::Class()); |
147 | DefineOutput(2,AliCFContainer::Class()); | |
148 | DefineOutput(3,THnSparseD::Class()); | |
f2703bd2 | 149 | DefineOutput(4,AliRDHFCuts::Class()); |
379592af | 150 | |
151 | fCuts->PrintAll(); | |
152 | } | |
153 | ||
154 | //___________________________________________________________________________ | |
155 | AliCFTaskVertexingHF& AliCFTaskVertexingHF::operator=(const AliCFTaskVertexingHF& c) | |
156 | { | |
157 | // | |
158 | // Assignment operator | |
159 | // | |
160 | if (this!=&c) { | |
161 | AliAnalysisTaskSE::operator=(c) ; | |
379592af | 162 | fCFManager = c.fCFManager; |
163 | fHistEventsProcessed = c.fHistEventsProcessed; | |
164 | fCuts = c.fCuts; | |
165 | } | |
166 | return *this; | |
167 | } | |
168 | ||
169 | //___________________________________________________________________________ | |
170 | AliCFTaskVertexingHF::AliCFTaskVertexingHF(const AliCFTaskVertexingHF& c) : | |
f2703bd2 | 171 | AliAnalysisTaskSE(c), |
f2703bd2 | 172 | fCFManager(c.fCFManager), |
173 | fHistEventsProcessed(c.fHistEventsProcessed), | |
174 | fCorrelation(c.fCorrelation), | |
175 | fCountMC(c.fCountMC), | |
176 | fCountAcc(c.fCountAcc), | |
177 | fCountVertex(c.fCountVertex), | |
178 | fCountRefit(c.fCountRefit), | |
179 | fCountReco(c.fCountReco), | |
180 | fCountRecoAcc(c.fCountRecoAcc), | |
181 | fCountRecoITSClusters(c.fCountRecoITSClusters), | |
182 | fCountRecoPPR(c.fCountRecoPPR), | |
183 | fCountRecoPID(c.fCountRecoPID), | |
184 | fEvents(c.fEvents), | |
185 | fDecayChannel(c.fDecayChannel), | |
186 | fFillFromGenerated(c.fFillFromGenerated), | |
187 | fOriginDselection(c.fOriginDselection), | |
188 | fAcceptanceUnf(c.fAcceptanceUnf), | |
189 | fCuts(c.fCuts), | |
190 | fUseWeight(c.fUseWeight), | |
191 | fWeight(c.fWeight), | |
31da6b05 | 192 | fNvar(c.fNvar), |
193 | fPartName(c.fPartName), | |
3ee5eb83 | 194 | fDauNames(c.fDauNames), |
b7af2639 | 195 | fSign(c.fSign), |
fbec9fa9 | 196 | fCentralitySelection(c.fCentralitySelection), |
197 | fFakeSelection(c.fFakeSelection) | |
379592af | 198 | { |
199 | // | |
200 | // Copy Constructor | |
201 | // | |
202 | } | |
203 | ||
204 | //___________________________________________________________________________ | |
f2703bd2 | 205 | AliCFTaskVertexingHF::~AliCFTaskVertexingHF() |
206 | { | |
379592af | 207 | // |
208 | //destructor | |
209 | // | |
210 | if (fCFManager) delete fCFManager ; | |
211 | if (fHistEventsProcessed) delete fHistEventsProcessed ; | |
f2703bd2 | 212 | if (fCorrelation) delete fCorrelation ; |
379592af | 213 | if (fCuts) delete fCuts; |
214 | } | |
215 | ||
f2703bd2 | 216 | //_________________________________________________________________________- |
217 | void AliCFTaskVertexingHF::Init() | |
218 | { | |
219 | // | |
220 | // Initialization | |
221 | // | |
222 | ||
223 | if (fDebug>1) printf("AliCFTaskVertexingHF::Init()"); | |
224 | AliRDHFCuts *copyfCuts = 0x0; | |
8a983038 | 225 | if (!fCuts){ |
226 | AliFatal("No cuts defined - Exiting..."); | |
227 | return; | |
228 | } | |
229 | ||
f2703bd2 | 230 | switch (fDecayChannel){ |
231 | case 2:{ | |
314ec0fe | 232 | copyfCuts = new AliRDHFCutsD0toKpi(*(static_cast<AliRDHFCutsD0toKpi*>(fCuts))); |
b7af2639 | 233 | fNvar = 14; |
31da6b05 | 234 | fPartName="D0"; |
235 | fDauNames="K+pi"; | |
f2703bd2 | 236 | break; |
237 | } | |
238 | case 21:{ | |
314ec0fe | 239 | copyfCuts = new AliRDHFCutsDStartoKpipi(*(static_cast<AliRDHFCutsDStartoKpipi*>(fCuts))); |
b7af2639 | 240 | fNvar = 14; |
31da6b05 | 241 | fPartName="Dstar"; |
242 | fDauNames="K+pi+pi"; | |
f2703bd2 | 243 | break; |
244 | } | |
245 | case 31:{ | |
314ec0fe | 246 | copyfCuts = new AliRDHFCutsDplustoKpipi(*(static_cast<AliRDHFCutsDplustoKpipi*>(fCuts))); |
b7af2639 | 247 | fNvar = 13; |
31da6b05 | 248 | fPartName="Dplus"; |
249 | fDauNames="K+pi+pi"; | |
f2703bd2 | 250 | break; |
251 | } | |
252 | case 32:{ | |
314ec0fe | 253 | copyfCuts = new AliRDHFCutsLctopKpi(*(static_cast<AliRDHFCutsLctopKpi*>(fCuts))); |
b7af2639 | 254 | fNvar = 13; |
31da6b05 | 255 | fPartName="Lambdac"; |
256 | fDauNames="p+K+pi"; | |
f2703bd2 | 257 | break; |
258 | } | |
259 | case 33:{ | |
314ec0fe | 260 | copyfCuts = new AliRDHFCutsDstoKKpi(*(static_cast<AliRDHFCutsDstoKKpi*>(fCuts))); |
b7af2639 | 261 | fNvar = 13; |
31da6b05 | 262 | fPartName="Ds"; |
263 | fDauNames="K+K+pi"; | |
f2703bd2 | 264 | break; |
265 | } | |
266 | case 4:{ | |
314ec0fe | 267 | copyfCuts = new AliRDHFCutsD0toKpipipi(*(static_cast<AliRDHFCutsD0toKpipipi*>(fCuts))); |
b7af2639 | 268 | fNvar = 14; |
31da6b05 | 269 | fPartName="D0"; |
270 | fDauNames="K+pi+pi+pi"; | |
f2703bd2 | 271 | break; |
272 | } | |
273 | default: | |
274 | AliFatal("The decay channel MUST be defined according to AliCFVertexing::DecayChannel - Exiting..."); | |
275 | break; | |
276 | } | |
277 | ||
278 | const char* nameoutput=GetOutputSlot(4)->GetContainer()->GetName(); | |
8a983038 | 279 | if (copyfCuts){ |
280 | copyfCuts->SetName(nameoutput); | |
281 | ||
282 | //Post the data | |
283 | PostData(4, copyfCuts); | |
284 | } | |
285 | else{ | |
286 | AliFatal("Failing initializing AliRDHFCuts object - Exiting..."); | |
287 | } | |
f2703bd2 | 288 | |
289 | return; | |
290 | } | |
291 | ||
379592af | 292 | //_________________________________________________ |
293 | void AliCFTaskVertexingHF::UserExec(Option_t *) | |
294 | { | |
379592af | 295 | // |
296 | // Main loop function | |
297 | // | |
298 | ||
299 | PostData(1,fHistEventsProcessed) ; | |
300 | PostData(2,fCFManager->GetParticleContainer()) ; | |
301 | PostData(3,fCorrelation) ; | |
302 | ||
b7af2639 | 303 | |
379592af | 304 | if (fFillFromGenerated){ |
305 | AliWarning("Flag to fill container with generated value ON ---> dca, d0pi, d0K, d0xd0, cosPointingAngle will be set as dummy!"); | |
306 | } | |
307 | ||
308 | if (!fInputEvent) { | |
309 | Error("UserExec","NO EVENT FOUND!"); | |
310 | return; | |
311 | } | |
312 | ||
313 | AliAODEvent* aodEvent = dynamic_cast<AliAODEvent*>(fInputEvent); | |
314 | ||
f2703bd2 | 315 | TClonesArray *arrayBranch=0; |
379592af | 316 | |
317 | if(!aodEvent && AODEvent() && IsStandardAOD()) { | |
f2703bd2 | 318 | // In case there is an AOD handler writing a standard AOD, use the AOD |
319 | // event in memory rather than the input (ESD) event. | |
320 | aodEvent = dynamic_cast<AliAODEvent*> (AODEvent()); | |
321 | // in this case the braches in the deltaAOD (AliAOD.VertexingHF.root) | |
322 | // have to taken from the AOD event hold by the AliAODExtension | |
323 | AliAODHandler* aodHandler = (AliAODHandler*) | |
324 | ((AliAnalysisManager::GetAnalysisManager())->GetOutputEventHandler()); | |
325 | if(aodHandler->GetExtensions()) { | |
326 | AliAODExtension *ext = (AliAODExtension*)aodHandler->GetExtensions()->FindObject("AliAOD.VertexingHF.root"); | |
327 | AliAODEvent *aodFromExt = ext->GetAOD(); | |
328 | ||
329 | switch (fDecayChannel){ | |
330 | case 2:{ | |
331 | arrayBranch=(TClonesArray*)aodFromExt->GetList()->FindObject("D0toKpi"); | |
332 | break; | |
333 | } | |
334 | case 21:{ | |
335 | arrayBranch=(TClonesArray*)aodFromExt->GetList()->FindObject("Dstar"); | |
336 | break; | |
337 | } | |
338 | case 31: | |
339 | case 32: | |
340 | case 33:{ | |
341 | arrayBranch=(TClonesArray*)aodFromExt->GetList()->FindObject("Charm3Prong"); | |
342 | break; | |
343 | } | |
344 | case 4:{ | |
345 | arrayBranch=(TClonesArray*)aodFromExt->GetList()->FindObject("Charm4Prong"); | |
346 | break; | |
347 | } | |
348 | default: | |
349 | break; | |
350 | } | |
351 | } | |
352 | } | |
353 | else { | |
354 | switch (fDecayChannel){ | |
355 | case 2:{ | |
356 | arrayBranch=(TClonesArray*)aodEvent->GetList()->FindObject("D0toKpi"); | |
357 | break; | |
358 | } | |
359 | case 21:{ | |
360 | arrayBranch=(TClonesArray*)aodEvent->GetList()->FindObject("Dstar"); | |
361 | break; | |
362 | } | |
363 | case 31: | |
364 | case 32: | |
365 | case 33:{ | |
366 | arrayBranch=(TClonesArray*)aodEvent->GetList()->FindObject("Charm3Prong"); | |
367 | break; | |
368 | } | |
369 | case 4:{ | |
370 | arrayBranch=(TClonesArray*)aodEvent->GetList()->FindObject("Charm4Prong"); | |
371 | break; | |
372 | } | |
373 | default: | |
374 | break; | |
375 | } | |
379592af | 376 | } |
377 | ||
378 | AliAODVertex *aodVtx = (AliAODVertex*)aodEvent->GetPrimaryVertex(); | |
379 | if (!aodVtx) return; | |
f2703bd2 | 380 | |
381 | if (!arrayBranch) { | |
382 | AliError("Could not find array of HF vertices"); | |
383 | return; | |
379592af | 384 | } |
385 | ||
386 | fEvents++; | |
6e2e4f50 | 387 | |
379592af | 388 | fCFManager->SetRecEventInfo(aodEvent); |
389 | fCFManager->SetMCEventInfo(aodEvent); | |
390 | ||
379592af | 391 | //******** DEFINE number of variables of the container***** for now set at 13, in the future in the config macro. |
379592af | 392 | |
379592af | 393 | //loop on the MC event |
394 | ||
395 | TClonesArray* mcArray = dynamic_cast<TClonesArray*>(aodEvent->FindListObject(AliAODMCParticle::StdBranchName())); | |
396 | if (!mcArray) { | |
397 | AliError("Could not find Monte-Carlo in AOD"); | |
398 | return; | |
399 | } | |
400 | Int_t icountMC = 0; | |
401 | Int_t icountAcc = 0; | |
402 | Int_t icountReco = 0; | |
403 | Int_t icountVertex = 0; | |
404 | Int_t icountRefit = 0; | |
405 | Int_t icountRecoAcc = 0; | |
406 | Int_t icountRecoITSClusters = 0; | |
407 | Int_t icountRecoPPR = 0; | |
408 | Int_t icountRecoPID = 0; | |
379592af | 409 | Int_t cquarks = 0; |
f2703bd2 | 410 | |
379592af | 411 | AliAODMCHeader *mcHeader = dynamic_cast<AliAODMCHeader*>(aodEvent->GetList()->FindObject(AliAODMCHeader::StdBranchName())); |
412 | if (!mcHeader) { | |
413 | AliError("Could not find MC Header in AOD"); | |
414 | return; | |
415 | } | |
e11ae259 | 416 | |
417 | Double_t* containerInput = new Double_t[fNvar]; | |
418 | Double_t* containerInputMC = new Double_t[fNvar]; | |
419 | ||
f2703bd2 | 420 | |
421 | AliCFVertexingHF* cfVtxHF=0x0; | |
422 | switch (fDecayChannel){ | |
423 | case 2:{ | |
367e9aa3 | 424 | cfVtxHF = new AliCFVertexingHF2Prong(mcArray, fOriginDselection); |
425 | break; | |
f2703bd2 | 426 | } |
427 | case 21:{ | |
367e9aa3 | 428 | cfVtxHF = new AliCFVertexingHFCascade(mcArray, fOriginDselection); |
429 | break; | |
f2703bd2 | 430 | } |
431 | case 31: | |
432 | case 32: | |
433 | case 33:{ | |
4e600f58 | 434 | cfVtxHF = new AliCFVertexingHF3Prong(mcArray, fOriginDselection, fDecayChannel); |
f2703bd2 | 435 | break; |
436 | } | |
437 | case 4:{ | |
438 | //cfVtxHF = new AliCFVertexingHF4Prong(mcArray, originDselection); // not there yet | |
439 | break; | |
440 | } | |
441 | default: | |
442 | break; | |
443 | } | |
8a983038 | 444 | if (!cfVtxHF){ |
445 | AliError("No AliCFVertexingHF initialized"); | |
d49092e3 | 446 | delete[] containerInput; |
447 | delete[] containerInputMC; | |
8a983038 | 448 | return; |
449 | } | |
f2703bd2 | 450 | |
379592af | 451 | Double_t zPrimVertex = aodVtx ->GetZ(); |
452 | Double_t zMCVertex = mcHeader->GetVtxZ(); | |
f2703bd2 | 453 | |
2bf2e62b | 454 | AliESDtrackCuts** trackCuts = new AliESDtrackCuts*[cfVtxHF->GetNProngs()]; |
455 | if (fDecayChannel == 21){ | |
456 | // for the D*, setting the third element of the array of the track cuts to those for the soft pion | |
457 | for (Int_t iProng = 0; iProng<cfVtxHF->GetNProngs()-1; iProng++){ | |
458 | trackCuts[iProng]=fCuts->GetTrackCuts(); | |
459 | } | |
367e9aa3 | 460 | trackCuts[2] = fCuts->GetTrackCutsSoftPi(); |
2bf2e62b | 461 | } |
462 | else { | |
463 | for (Int_t iProng = 0; iProng<cfVtxHF->GetNProngs(); iProng++){ | |
464 | trackCuts[iProng]=fCuts->GetTrackCuts(); | |
465 | } | |
466 | } | |
467 | ||
379592af | 468 | //General settings: vertex, feed down and fill reco container with generated values. |
469 | cfVtxHF->SetRecoPrimVertex(zPrimVertex); | |
470 | cfVtxHF->SetMCPrimaryVertex(zMCVertex); | |
471 | cfVtxHF->SetFillFromGenerated(fFillFromGenerated); | |
b7af2639 | 472 | cfVtxHF->SetNVar(fNvar); |
fbec9fa9 | 473 | cfVtxHF->SetFakeSelection(fFakeSelection); |
b7af2639 | 474 | |
475 | if (fCentralitySelection) | |
661d6c29 | 476 | if(fCuts->IsEventSelectedInCentrality(aodEvent)!=0) { |
477 | delete[] containerInput; | |
478 | delete[] containerInputMC; | |
479 | delete [] trackCuts; | |
480 | return; | |
481 | } | |
b7af2639 | 482 | |
483 | Float_t centValue = fCuts->GetCentrality(aodEvent); | |
484 | cfVtxHF->SetCentralityValue(centValue); | |
f2703bd2 | 485 | |
379592af | 486 | for (Int_t iPart=0; iPart<mcArray->GetEntriesFast(); iPart++) { |
b7af2639 | 487 | AliAODMCParticle* mcPart = dynamic_cast<AliAODMCParticle*>(mcArray->At(iPart)); |
488 | if (!mcPart){ | |
489 | AliError("Failed casting particle from MC array!, Skipping particle"); | |
490 | continue; | |
491 | } | |
492 | // check the MC-level cuts, must be the desidered particle | |
493 | if (!fCFManager->CheckParticleCuts(0, mcPart)) { | |
494 | continue; // 0 stands for MC level | |
495 | } | |
496 | cfVtxHF->SetMCCandidateParam(iPart); | |
497 | ||
498 | //counting c quarks | |
499 | cquarks += cfVtxHF->MCcquarkCounting(mcPart); | |
500 | ||
501 | if (!(cfVtxHF->SetLabelArray())){ | |
502 | AliDebug(2,Form("Impossible to set the label array (decaychannel = %d)",fDecayChannel)); | |
503 | continue; | |
504 | } | |
2bf2e62b | 505 | |
b7af2639 | 506 | //check the candiate family at MC level |
507 | if (!(cfVtxHF->CheckMCPartFamily(mcPart, mcArray))) { | |
508 | AliDebug(2,Form("Check on the family wrong!!! (decaychannel = %d)",fDecayChannel)); | |
509 | continue; | |
510 | } | |
f2703bd2 | 511 | else{ |
6e2e4f50 | 512 | AliDebug(2,Form("Check on the family OK!!! (decaychannel = %d)",fDecayChannel)); |
f2703bd2 | 513 | } |
514 | ||
515 | //Fill the MC container | |
516 | Bool_t mcContainerFilled = cfVtxHF -> FillMCContainer(containerInputMC); | |
f2703bd2 | 517 | if (mcContainerFilled) { |
518 | if (fUseWeight)fWeight = GetWeight(containerInputMC[0]); | |
519 | if (!fCuts->IsInFiducialAcceptance(containerInputMC[0],containerInputMC[1])) continue; | |
520 | //MC Limited Acceptance | |
521 | if (TMath::Abs(containerInputMC[1]) < 0.5) { | |
522 | fCFManager->GetParticleContainer()->Fill(containerInputMC,kStepGeneratedLimAcc, fWeight); | |
523 | AliDebug(3,"MC Lim Acc container filled\n"); | |
524 | } | |
525 | ||
526 | //MC | |
527 | fCFManager->GetParticleContainer()->Fill(containerInputMC, kStepGenerated, fWeight); | |
528 | icountMC++; | |
529 | AliDebug(3,"MC cointainer filled \n"); | |
530 | ||
531 | // MC in acceptance | |
532 | // check the MC-Acceptance level cuts | |
533 | // since standard CF functions are not applicable, using Kine Cuts on daughters | |
534 | Bool_t mcAccepStep = cfVtxHF-> MCAcceptanceStep(); | |
535 | if (mcAccepStep){ | |
536 | fCFManager->GetParticleContainer()->Fill(containerInputMC,kStepAcceptance, fWeight); | |
537 | AliDebug(3,"MC acceptance cut passed\n"); | |
538 | icountAcc++; | |
539 | ||
540 | //MC Vertex step | |
541 | if (fCuts->IsEventSelected(aodEvent)){ | |
542 | // filling the container if the vertex is ok | |
543 | fCFManager->GetParticleContainer()->Fill(containerInputMC,kStepVertex, fWeight) ; | |
544 | AliDebug(3,"Vertex cut passed and container filled\n"); | |
545 | icountVertex++; | |
546 | ||
547 | //mc Refit requirement | |
2bf2e62b | 548 | Bool_t mcRefitStep = cfVtxHF->MCRefitStep(aodEvent, &trackCuts[0]); |
f2703bd2 | 549 | if (mcRefitStep){ |
550 | fCFManager->GetParticleContainer()->Fill(containerInputMC,kStepRefit, fWeight); | |
551 | AliDebug(3,"MC Refit cut passed and container filled\n"); | |
552 | icountRefit++; | |
b7af2639 | 553 | |
554 | ||
f2703bd2 | 555 | } |
556 | else{ | |
557 | AliDebug(3,"MC Refit cut not passed\n"); | |
558 | continue; | |
559 | } | |
560 | } | |
561 | else{ | |
379592af | 562 | AliDebug (3, "MC vertex step not passed\n"); |
563 | continue; | |
f2703bd2 | 564 | } |
565 | } | |
566 | else{ | |
567 | AliDebug (3, "MC in acceptance step not passed\n"); | |
568 | continue; | |
569 | } | |
570 | } | |
571 | else { | |
572 | AliDebug (3, "MC container not filled\n"); | |
379592af | 573 | } |
574 | } | |
f2703bd2 | 575 | |
576 | if (cquarks<2) AliDebug(2,Form("Event with %d c-quarks", cquarks)); | |
31da6b05 | 577 | AliDebug(2,Form("Found %i MC particles that are %s!!",icountMC,fPartName.Data())); |
578 | AliDebug(2,Form("Found %i MC particles that are %s and satisfy Acc cuts!!",icountAcc,fPartName.Data())); | |
579 | AliDebug(2,Form("Found %i MC particles that are %s and satisfy Vertex cuts!!",icountVertex,fPartName.Data())); | |
580 | AliDebug(2,Form("Found %i MC particles that are %s and satisfy Refit cuts!!",icountRefit,fPartName.Data())); | |
f2703bd2 | 581 | |
379592af | 582 | // Now go to rec level |
583 | fCountMC += icountMC; | |
584 | fCountAcc += icountAcc; | |
585 | fCountVertex+= icountVertex; | |
586 | fCountRefit+= icountRefit; | |
f2703bd2 | 587 | |
6e2e4f50 | 588 | AliDebug(2,Form("Found %d vertices for decay channel %d",arrayBranch->GetEntriesFast(),fDecayChannel)); |
379592af | 589 | |
f2703bd2 | 590 | for(Int_t iCandid = 0; iCandid<arrayBranch->GetEntriesFast();iCandid++){ |
f2703bd2 | 591 | AliAODRecoDecayHF* charmCandidate=0x0; |
592 | switch (fDecayChannel){ | |
593 | case 2:{ | |
594 | charmCandidate = (AliAODRecoDecayHF2Prong*)arrayBranch->At(iCandid); | |
595 | break; | |
596 | } | |
597 | case 21:{ | |
598 | charmCandidate = (AliAODRecoCascadeHF*)arrayBranch->At(iCandid); | |
599 | break; | |
600 | } | |
601 | case 31: | |
602 | case 32: | |
603 | case 33:{ | |
604 | charmCandidate = (AliAODRecoDecayHF3Prong*)arrayBranch->At(iCandid); | |
605 | break; | |
606 | } | |
607 | case 4:{ | |
608 | charmCandidate = (AliAODRecoDecayHF4Prong*)arrayBranch->At(iCandid); | |
609 | break; | |
610 | } | |
611 | default: | |
612 | break; | |
613 | } | |
614 | ||
379592af | 615 | Bool_t unsetvtx=kFALSE; |
f2703bd2 | 616 | if(!charmCandidate->GetOwnPrimaryVtx()) { |
617 | charmCandidate->SetOwnPrimaryVtx(aodVtx); // needed to compute all variables | |
379592af | 618 | unsetvtx=kTRUE; |
619 | } | |
f2703bd2 | 620 | |
621 | Bool_t signAssociation = cfVtxHF->SetRecoCandidateParam((AliAODRecoDecayHF*)charmCandidate); | |
379592af | 622 | if (!signAssociation){ |
f2703bd2 | 623 | charmCandidate = 0x0; |
379592af | 624 | continue; |
625 | } | |
3ee5eb83 | 626 | |
627 | Int_t isPartOrAntipart = cfVtxHF->CheckReflexion(fSign); | |
628 | if (isPartOrAntipart == 0){ | |
629 | AliDebug(2, Form("The candidate pdg code doesn't match the requirement set in the task (fSign = %d)",fSign)); | |
630 | continue; | |
631 | } | |
632 | ||
379592af | 633 | Bool_t recoContFilled = cfVtxHF->FillRecoContainer(containerInput); |
634 | if (recoContFilled){ | |
f2703bd2 | 635 | |
379592af | 636 | if (!fCuts->IsInFiducialAcceptance(containerInput[0],containerInput[1])) continue; |
f2703bd2 | 637 | |
379592af | 638 | //Reco Step |
639 | Bool_t recoStep = cfVtxHF->RecoStep(); | |
640 | Bool_t vtxCheck = fCuts->IsEventSelected(aodEvent); | |
f2703bd2 | 641 | |
379592af | 642 | if (recoStep && recoContFilled && vtxCheck){ |
f2703bd2 | 643 | fCFManager->GetParticleContainer()->Fill(containerInput,kStepReconstructed, fWeight) ; |
379592af | 644 | icountReco++; |
f2703bd2 | 645 | AliDebug(3,"Reco step passed and container filled\n"); |
646 | ||
379592af | 647 | //Reco in the acceptance -- take care of UNFOLDING!!!! |
2bf2e62b | 648 | Bool_t recoAcceptanceStep = cfVtxHF->RecoAcceptStep(&trackCuts[0]); |
379592af | 649 | if (recoAcceptanceStep) { |
f2703bd2 | 650 | fCFManager->GetParticleContainer()->Fill(containerInput,kStepRecoAcceptance, fWeight) ; |
379592af | 651 | icountRecoAcc++; |
f2703bd2 | 652 | AliDebug(3,"Reco acceptance cut passed and container filled\n"); |
653 | ||
379592af | 654 | if(fAcceptanceUnf){ |
655 | Double_t fill[4]; //fill response matrix | |
656 | Bool_t bUnfolding = cfVtxHF -> FillUnfoldingMatrix(fill); | |
657 | if (bUnfolding) fCorrelation->Fill(fill); | |
f2703bd2 | 658 | } |
659 | ||
379592af | 660 | //Number of ITS cluster requirements |
f2703bd2 | 661 | Int_t recoITSnCluster = fCuts->IsSelected(charmCandidate, AliRDHFCuts::kTracks); |
379592af | 662 | if (recoITSnCluster){ |
f2703bd2 | 663 | fCFManager->GetParticleContainer()->Fill(containerInput,kStepRecoITSClusters, fWeight) ; |
379592af | 664 | icountRecoITSClusters++; |
f2703bd2 | 665 | AliDebug(3,"Reco n ITS cluster cut passed and container filled\n"); |
666 | ||
667 | Bool_t iscutsusingpid = fCuts->GetIsUsePID(); | |
668 | Int_t recoAnalysisCuts = -1, recoPidSelection = -1; | |
669 | fCuts->SetUsePID(kFALSE); | |
670 | recoAnalysisCuts = fCuts->IsSelected(charmCandidate, AliRDHFCuts::kCandidate, aodEvent); | |
671 | ||
672 | if (recoAnalysisCuts > 3){ // Ds case, where more possibilities are considered | |
673 | if (recoAnalysisCuts >= 8){ | |
674 | recoAnalysisCuts -= 8; // removing K0star mass | |
675 | } | |
676 | if (recoAnalysisCuts >= 4){ | |
677 | recoAnalysisCuts -= 4; // removing Phi mass | |
678 | } | |
679 | } | |
379592af | 680 | |
f2703bd2 | 681 | fCuts->SetUsePID(iscutsusingpid); //restoring usage of the PID from the cuts object |
682 | if (recoAnalysisCuts == 3 || recoAnalysisCuts == isPartOrAntipart){ | |
683 | fCFManager->GetParticleContainer()->Fill(containerInput, kStepRecoPPR, fWeight); | |
684 | icountRecoPPR++; | |
685 | AliDebug(3,"Reco Analysis cuts passed and container filled \n"); | |
686 | //pid selection | |
687 | //recoPidSelection = fCuts->IsSelected(charmCandidate, AliRDHFCuts::kPID); | |
688 | //if((fCuts->CombineSelectionLevels(3,recoAnalysisCuts,recoPidSelection)==isPartOrAntipart)||(fCuts->CombineSelectionLevels(3,recoAnalysisCuts,recoPidSelection)==3)){ | |
689 | recoPidSelection = fCuts->IsSelected(charmCandidate, AliRDHFCuts::kCandidate, aodEvent); | |
690 | if (recoPidSelection == 3 || recoPidSelection == isPartOrAntipart){ | |
691 | fCFManager->GetParticleContainer()->Fill(containerInput, kStepRecoPID, fWeight); | |
692 | icountRecoPID++; | |
693 | AliDebug(3,"Reco PID cuts passed and container filled \n"); | |
694 | if(!fAcceptanceUnf){ | |
695 | Double_t fill[4]; //fill response matrix | |
696 | Bool_t bUnfolding = cfVtxHF -> FillUnfoldingMatrix(fill); | |
697 | if (bUnfolding) fCorrelation->Fill(fill); | |
698 | } | |
699 | } | |
700 | else { | |
701 | AliDebug(3, "Analysis Cuts step not passed \n"); | |
702 | continue; | |
703 | } | |
379592af | 704 | } |
705 | else { | |
f2703bd2 | 706 | AliDebug(3, "PID selection not passed \n"); |
707 | continue; | |
379592af | 708 | } |
709 | } | |
710 | else{ | |
f2703bd2 | 711 | AliDebug(3, "Number of ITS cluster step not passed\n"); |
712 | continue; | |
379592af | 713 | } |
714 | } | |
715 | else{ | |
f2703bd2 | 716 | AliDebug(3, "Reco acceptance step not passed\n"); |
717 | continue; | |
379592af | 718 | } |
719 | } | |
720 | else { | |
f2703bd2 | 721 | AliDebug(3, "Reco step not passed\n"); |
722 | continue; | |
379592af | 723 | } |
724 | } | |
725 | ||
f2703bd2 | 726 | if(unsetvtx) charmCandidate->UnsetOwnPrimaryVtx(); |
727 | } // end loop on candidate | |
728 | ||
379592af | 729 | fCountReco+= icountReco; |
730 | fCountRecoAcc+= icountRecoAcc; | |
731 | fCountRecoITSClusters+= icountRecoITSClusters; | |
732 | fCountRecoPPR+= icountRecoPPR; | |
733 | fCountRecoPID+= icountRecoPID; | |
734 | ||
735 | fHistEventsProcessed->Fill(0); | |
f2703bd2 | 736 | |
737 | delete[] containerInput; | |
f2703bd2 | 738 | delete[] containerInputMC; |
f2703bd2 | 739 | delete cfVtxHF; |
2bf2e62b | 740 | if (trackCuts){ |
741 | // for (Int_t i=0; i<cfVtxHF->GetNProngs(); i++){ | |
742 | // delete [] trackCuts[i]; | |
743 | // } | |
744 | delete [] trackCuts; | |
745 | } | |
379592af | 746 | } |
747 | ||
748 | //___________________________________________________________________________ | |
749 | void AliCFTaskVertexingHF::Terminate(Option_t*) | |
750 | { | |
751 | // The Terminate() function is the last function to be called during | |
752 | // a query. It always runs on the client, it can be used to present | |
753 | // the results graphically or save the results to file. | |
754 | ||
755 | AliAnalysisTaskSE::Terminate(); | |
31da6b05 | 756 | |
757 | AliInfo(Form("Found %i MC particles that are %s in MC, in %d events",fCountMC,fPartName.Data(),fEvents)); | |
758 | AliInfo(Form("Found %i MC particles that are %s in MC and satisfy Acc cuts, in %d events",fCountAcc,fPartName.Data(),fEvents)); | |
759 | AliInfo(Form("Found %i MC particles that are %s in MC and satisfy Acc cuts, and satisfy Vertex requirement in %d events",fCountVertex,fPartName.Data(),fEvents)); | |
760 | AliInfo(Form("Found %i MC particles that are %s in MC and satisfy Acc cuts, and satisfy ITS+TPC refit requirementin %d events",fCountRefit,fPartName.Data(),fEvents)); | |
761 | AliInfo(Form("Found %i reco %s that are decaying in %s, in %d events",fCountReco,fPartName.Data(),fDauNames.Data(),fEvents)); | |
762 | AliInfo(Form("Among the above, found %i reco %s that are decaying in %s and are in the requested acceptance, in %d events",fCountRecoAcc,fPartName.Data(),fDauNames.Data(),fEvents)); | |
763 | AliInfo(Form("Among the above, found %i reco %s that are decaying in %s and have at least 5 clusters in ITS, in %d events",fCountRecoITSClusters,fPartName.Data(),fDauNames.Data(),fEvents)); | |
764 | AliInfo(Form("Among the above, found %i reco %s that are decaying in %s and satisfy PPR cuts, in %d events",fCountRecoPPR,fPartName.Data(),fDauNames.Data(),fEvents)); | |
765 | AliInfo(Form("Among the above, found %i reco %s that are decaying in %s and satisfy PPR+PID cuts, in %d events",fCountRecoPID,fPartName.Data(),fDauNames.Data(),fEvents)); | |
379592af | 766 | |
767 | // draw some example plots.... | |
768 | ||
769 | AliCFContainer *cont= dynamic_cast<AliCFContainer*> (GetOutputData(2)); | |
770 | if(!cont) { | |
771 | printf("CONTAINER NOT FOUND\n"); | |
772 | return; | |
773 | } | |
774 | // projecting the containers to obtain histograms | |
775 | // first argument = variable, second argument = step | |
776 | ||
31da6b05 | 777 | TH1D* h[3][12]; |
778 | for(Int_t iC=0;iC<12; iC++){ | |
779 | // MC-level | |
780 | h[0][iC] = cont->ShowProjection(iC,0); | |
781 | // MC-Acceptance level | |
782 | h[1][iC] = cont->ShowProjection(iC,1); | |
783 | // Reco-level | |
784 | h[2][iC] = cont->ShowProjection(iC,4); | |
785 | } | |
786 | TString titles[12]; | |
787 | if(fDecayChannel==31){ | |
788 | titles[0]="pT_Dplus (GeV/c)"; | |
789 | titles[1]="rapidity"; | |
790 | titles[2]="phi (rad)"; | |
791 | titles[3]="cT (#mum)"; | |
792 | titles[4]="cosPointingAngle"; | |
793 | titles[5]="pT_1 (GeV/c)"; | |
794 | titles[6]="pT_2 (GeV/c)"; | |
795 | titles[7]="pT_3 (GeV/c)"; | |
796 | titles[8]="d0_1 (#mum)"; | |
797 | titles[9]="d0_2 (#mum)"; | |
798 | titles[10]="d0_3 (#mum)"; | |
799 | titles[11]="zVertex (cm)"; | |
800 | }else{ | |
801 | titles[0]="pT_D0 (GeV/c)"; | |
802 | titles[1]="rapidity"; | |
803 | titles[2]="cosThetaStar"; | |
804 | titles[3]="pT_pi (GeV/c)"; | |
805 | titles[4]="pT_K (Gev/c)"; | |
806 | titles[5]="cT (#mum)"; | |
807 | titles[6]="dca (#mum)"; | |
808 | titles[7]="d0_pi (#mum)"; | |
809 | titles[8]="d0_K (#mum)"; | |
810 | titles[9]="d0xd0 (#mum^2)"; | |
811 | titles[10]="cosPointingAngle"; | |
812 | titles[11]="phi (rad)"; | |
813 | } | |
814 | Int_t markers[12]={20,24,21,25,27,28, | |
815 | 20,24,21,25,27,28}; | |
816 | Int_t colors[3]={2,8,4}; | |
817 | for(Int_t iC=0;iC<12; iC++){ | |
818 | for(Int_t iStep=0;iStep<3;iStep++){ | |
819 | h[iStep][iC]->SetTitle(titles[iC].Data()); | |
820 | h[iStep][iC]->GetXaxis()->SetTitle(titles[iC].Data()); | |
821 | Double_t maxh=h[iStep][iC]->GetMaximum(); | |
822 | h[iStep][iC]->GetYaxis()->SetRangeUser(0,maxh*1.2); | |
823 | h[iStep][iC]->SetMarkerStyle(markers[iC]); | |
824 | h[iStep][iC]->SetMarkerColor(colors[iStep]); | |
825 | } | |
826 | } | |
827 | ||
379592af | 828 | |
379592af | 829 | |
830 | gStyle->SetCanvasColor(0); | |
831 | gStyle->SetFrameFillColor(0); | |
832 | gStyle->SetTitleFillColor(0); | |
833 | gStyle->SetStatColor(0); | |
834 | ||
835 | // drawing in 2 separate canvas for a matter of clearity | |
31da6b05 | 836 | TCanvas * c1 =new TCanvas("c1New","Vars 0,1,2",1100,1600); |
379592af | 837 | c1->Divide(3,3); |
31da6b05 | 838 | Int_t iPad=1; |
839 | for(Int_t iVar=0; iVar<3; iVar++){ | |
840 | c1->cd(iPad++); | |
841 | h[0][iVar]->Draw("p"); | |
842 | c1->cd(iPad++); | |
843 | h[1][iVar]->Draw("p"); | |
844 | c1->cd(iPad++); | |
845 | h[2][iVar]->Draw("p"); | |
846 | } | |
379592af | 847 | |
31da6b05 | 848 | TCanvas * c2 =new TCanvas("c2New","Vars 3,4,5",1100,1600); |
379592af | 849 | c2->Divide(3,3); |
31da6b05 | 850 | iPad=1; |
851 | for(Int_t iVar=3; iVar<6; iVar++){ | |
852 | c2->cd(iPad++); | |
853 | h[0][iVar]->Draw("p"); | |
854 | c2->cd(iPad++); | |
855 | h[1][iVar]->Draw("p"); | |
856 | c2->cd(iPad++); | |
857 | h[2][iVar]->Draw("p"); | |
858 | } | |
859 | ||
379592af | 860 | |
31da6b05 | 861 | TCanvas * c3 =new TCanvas("c3New","Vars 6,7,8",1100,1600); |
379592af | 862 | c3->Divide(3,3); |
31da6b05 | 863 | iPad=1; |
864 | for(Int_t iVar=6; iVar<9; iVar++){ | |
865 | c3->cd(iPad++); | |
866 | h[0][iVar]->Draw("p"); | |
867 | c3->cd(iPad++); | |
868 | h[1][iVar]->Draw("p"); | |
869 | c3->cd(iPad++); | |
870 | h[2][iVar]->Draw("p"); | |
871 | } | |
872 | ||
379592af | 873 | |
31da6b05 | 874 | TCanvas * c4 =new TCanvas("c4New","Vars 9,10,11",1100,1600); |
379592af | 875 | c4->Divide(3,3); |
31da6b05 | 876 | iPad=1; |
877 | for(Int_t iVar=9; iVar<11; iVar++){ | |
878 | c4->cd(iPad++); | |
879 | h[0][iVar]->Draw("p"); | |
880 | c4->cd(iPad++); | |
881 | h[1][iVar]->Draw("p"); | |
882 | c4->cd(iPad++); | |
883 | h[2][iVar]->Draw("p"); | |
884 | } | |
885 | ||
379592af | 886 | |
887 | THnSparseD* hcorr = dynamic_cast<THnSparseD*> (GetOutputData(3)); | |
888 | ||
889 | TH2D* corr1 =hcorr->Projection(0,2); | |
890 | TH2D* corr2 = hcorr->Projection(1,3); | |
891 | ||
892 | TCanvas * c7 =new TCanvas("c7New","",800,400); | |
893 | c7->Divide(2,1); | |
894 | c7->cd(1); | |
895 | corr1->Draw("text"); | |
896 | c7->cd(2); | |
897 | corr2->Draw("text"); | |
898 | ||
899 | ||
900 | TFile* file_projection = new TFile("CFtaskHFprojectionNew.root","RECREATE"); | |
901 | ||
902 | corr1->Write(); | |
903 | corr2->Write(); | |
31da6b05 | 904 | for(Int_t iC=0;iC<12; iC++){ |
905 | for(Int_t iStep=0;iStep<3;iStep++){ | |
906 | h[iStep][iC]->Write(Form("Step%d_%s",iStep,titles[iC].Data())); | |
907 | } | |
908 | } | |
379592af | 909 | file_projection->Close(); |
910 | ||
911 | ||
912 | ||
913 | /* | |
914 | c1->SaveAs("Plots/pT_rapidity_cosThetaStar.eps"); | |
915 | c2->SaveAs("Plots/pTpi_pTK_cT.eps"); | |
916 | c3->SaveAs("Plots/dca_d0pi_d0TK.eps"); | |
917 | c4->SaveAs("Plots/d0xd0_cosPointingAngle.eps"); | |
918 | ||
919 | c1->SaveAs("Plots/pT_rapidity_cosThetaStar.gif"); | |
920 | c2->SaveAs("Plots/pTpi_pTK_cT.gif"); | |
921 | c3->SaveAs("Plots/dca_d0pi_d0TK.gif"); | |
922 | c4->SaveAs("Plots/d0xd0_cosPointingAngle.gif"); | |
923 | */ | |
924 | } | |
925 | ||
926 | //___________________________________________________________________________ | |
f2703bd2 | 927 | void AliCFTaskVertexingHF::UserCreateOutputObjects() |
928 | { | |
379592af | 929 | //HERE ONE CAN CREATE OUTPUT OBJECTS, IN PARTICULAR IF THE OBJECT PARAMETERS DON'T NEED |
930 | //TO BE SET BEFORE THE EXECUTION OF THE TASK | |
931 | // | |
932 | Info("UserCreateOutputObjects","CreateOutputObjects of task %s\n", GetName()); | |
933 | ||
934 | //slot #1 | |
935 | OpenFile(1); | |
936 | fHistEventsProcessed = new TH1I("CFHFchist0","",1,0,1) ; | |
937 | } | |
938 | ||
f2703bd2 | 939 | |
940 | //_________________________________________________________________________ | |
941 | Double_t AliCFTaskVertexingHF::GetWeight(Float_t pt) | |
942 | { | |
943 | // | |
944 | // calculating the weight to fill the container | |
945 | // | |
946 | ||
947 | // FNOLL central: | |
948 | // p0 = 1.63297e-01 --> 0.322643 | |
949 | // p1 = 2.96275e+00 | |
950 | // p2 = 2.30301e+00 | |
951 | // p3 = 2.50000e+00 | |
952 | ||
953 | // PYTHIA | |
954 | // p0 = 1.85906e-01 --> 0.36609 | |
955 | // p1 = 1.94635e+00 | |
956 | // p2 = 1.40463e+00 | |
957 | // p3 = 2.50000e+00 | |
958 | ||
959 | Double_t func1[4] = {0.322643,2.96275,2.30301,2.5}; | |
960 | Double_t func2[4] = {0.36609,1.94635,1.40463,2.5}; | |
961 | ||
962 | Double_t dndpt_func1 = dNdptFit(pt,func1); | |
963 | Double_t dndpt_func2 = dNdptFit(pt,func2); | |
964 | AliDebug(2,Form("pt = %f, FONLL = %f, Pythia = %f, ratio = %f",pt,dndpt_func1,dndpt_func2,dndpt_func1/dndpt_func2)); | |
965 | return dndpt_func1/dndpt_func2; | |
966 | } | |
967 | ||
968 | //__________________________________________________________________________________________________ | |
969 | Double_t AliCFTaskVertexingHF::dNdptFit(Float_t pt, Double_t* par) | |
970 | { | |
971 | // | |
972 | // calculating dNdpt | |
973 | // | |
974 | ||
975 | Double_t denom = TMath::Power((pt/par[1]), par[3] ); | |
976 | Double_t dNdpt = par[0]*pt/TMath::Power(1.+denom, par[2]); | |
977 | ||
978 | return dNdpt; | |
979 | } |