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