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f5ec6c30 | 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 | |
f6d06004 | 20 | // 13 variables used: pt, y, cosThetaStar, ptPi, ptK, ct, |
21 | // dca, d0Pi, d0K, d0Pixd0K, cosPointingAngle, phi, z | |
f5ec6c30 | 22 | // |
23 | //----------------------------------------------------------------------- | |
24 | // Author : C. Zampolli, CERN | |
25 | //----------------------------------------------------------------------- | |
a5d92cb4 | 26 | //----------------------------------------------------------------------- |
27 | // Base class for HF Unfolding (pt and eta) | |
28 | // correlation matrix filled at Acceptance and PPR level | |
29 | // Author: A.Grelli , Utrecht - agrelli@uu.nl | |
30 | //----------------------------------------------------------------------- | |
f5ec6c30 | 31 | #include <TCanvas.h> |
32 | #include <TParticle.h> | |
c180f65d | 33 | #include <TDatabasePDG.h> |
f5ec6c30 | 34 | #include <TH1I.h> |
35 | #include <TStyle.h> | |
844d235c | 36 | #include <TFile.h> |
f5ec6c30 | 37 | |
38 | #include "AliCFHeavyFlavourTaskMultiVarMultiStep.h" | |
39 | #include "AliStack.h" | |
40 | #include "AliMCEvent.h" | |
41 | #include "AliCFManager.h" | |
42 | #include "AliCFContainer.h" | |
43 | #include "AliLog.h" | |
b557eb43 | 44 | #include "AliAnalysisManager.h" |
45 | #include "AliAODHandler.h" | |
f5ec6c30 | 46 | #include "AliAODEvent.h" |
47 | #include "AliAODRecoDecay.h" | |
48 | #include "AliAODRecoDecayHF.h" | |
49 | #include "AliAODRecoDecayHF2Prong.h" | |
50 | #include "AliAODMCParticle.h" | |
a8b9a95a | 51 | #include "AliAODMCHeader.h" |
aed46c56 | 52 | #include "AliESDtrack.h" |
a5d92cb4 | 53 | #include "TChain.h" |
54 | #include "THnSparse.h" | |
55 | #include "TH2D.h" | |
a8b9a95a | 56 | |
f5ec6c30 | 57 | //__________________________________________________________________________ |
58 | AliCFHeavyFlavourTaskMultiVarMultiStep::AliCFHeavyFlavourTaskMultiVarMultiStep() : | |
59 | AliAnalysisTaskSE(), | |
60 | fPDG(0), | |
61 | fCFManager(0x0), | |
62 | fHistEventsProcessed(0x0), | |
a5d92cb4 | 63 | fCorrelation(0x0), |
f5ec6c30 | 64 | fCountMC(0), |
65 | fCountAcc(0), | |
ae3e319c | 66 | fCountVertex(0), |
67 | fCountRefit(0), | |
f5ec6c30 | 68 | fCountReco(0), |
69 | fCountRecoAcc(0), | |
70 | fCountRecoITSClusters(0), | |
71 | fCountRecoPPR(0), | |
72 | fEvents(0), | |
73 | fFillFromGenerated(kFALSE), | |
a5d92cb4 | 74 | fMinITSClusters(5), |
f6d06004 | 75 | fAcceptanceUnf(kTRUE), |
76 | fKeepD0fromB(kFALSE) | |
f5ec6c30 | 77 | { |
78 | // | |
79 | //Default ctor | |
80 | // | |
81 | } | |
82 | //___________________________________________________________________________ | |
83 | AliCFHeavyFlavourTaskMultiVarMultiStep::AliCFHeavyFlavourTaskMultiVarMultiStep(const Char_t* name) : | |
84 | AliAnalysisTaskSE(name), | |
85 | fPDG(0), | |
86 | fCFManager(0x0), | |
87 | fHistEventsProcessed(0x0), | |
a5d92cb4 | 88 | fCorrelation(0x0), |
f5ec6c30 | 89 | fCountMC(0), |
90 | fCountAcc(0), | |
ae3e319c | 91 | fCountVertex(0), |
92 | fCountRefit(0), | |
f5ec6c30 | 93 | fCountReco(0), |
94 | fCountRecoAcc(0), | |
95 | fCountRecoITSClusters(0), | |
96 | fCountRecoPPR(0), | |
97 | fEvents(0), | |
98 | fFillFromGenerated(kFALSE), | |
a5d92cb4 | 99 | fMinITSClusters(5), |
f6d06004 | 100 | fAcceptanceUnf(kTRUE), |
101 | fKeepD0fromB(kFALSE) | |
f5ec6c30 | 102 | { |
103 | // | |
104 | // Constructor. Initialization of Inputs and Outputs | |
105 | // | |
106 | Info("AliCFHeavyFlavourTaskMultiVarMultiStep","Calling Constructor"); | |
107 | /* | |
108 | DefineInput(0) and DefineOutput(0) | |
109 | are taken care of by AliAnalysisTaskSE constructor | |
110 | */ | |
111 | DefineOutput(1,TH1I::Class()); | |
112 | DefineOutput(2,AliCFContainer::Class()); | |
a5d92cb4 | 113 | DefineOutput(3,THnSparseD::Class()); |
f5ec6c30 | 114 | } |
115 | ||
116 | //___________________________________________________________________________ | |
117 | AliCFHeavyFlavourTaskMultiVarMultiStep& AliCFHeavyFlavourTaskMultiVarMultiStep::operator=(const AliCFHeavyFlavourTaskMultiVarMultiStep& c) | |
118 | { | |
119 | // | |
120 | // Assignment operator | |
121 | // | |
122 | if (this!=&c) { | |
123 | AliAnalysisTaskSE::operator=(c) ; | |
124 | fPDG = c.fPDG; | |
125 | fCFManager = c.fCFManager; | |
126 | fHistEventsProcessed = c.fHistEventsProcessed; | |
127 | } | |
128 | return *this; | |
129 | } | |
130 | ||
131 | //___________________________________________________________________________ | |
132 | AliCFHeavyFlavourTaskMultiVarMultiStep::AliCFHeavyFlavourTaskMultiVarMultiStep(const AliCFHeavyFlavourTaskMultiVarMultiStep& c) : | |
133 | AliAnalysisTaskSE(c), | |
134 | fPDG(c.fPDG), | |
135 | fCFManager(c.fCFManager), | |
136 | fHistEventsProcessed(c.fHistEventsProcessed), | |
a5d92cb4 | 137 | fCorrelation(c.fCorrelation), |
f5ec6c30 | 138 | fCountMC(c.fCountMC), |
139 | fCountAcc(c.fCountAcc), | |
ae3e319c | 140 | fCountVertex(c.fCountVertex), |
141 | fCountRefit(c.fCountRefit), | |
f5ec6c30 | 142 | fCountReco(c.fCountReco), |
143 | fCountRecoAcc(c.fCountRecoAcc), | |
144 | fCountRecoITSClusters(c.fCountRecoITSClusters), | |
145 | fCountRecoPPR(c.fCountRecoPPR), | |
146 | fEvents(c.fEvents), | |
147 | fFillFromGenerated(c.fFillFromGenerated), | |
a5d92cb4 | 148 | fMinITSClusters(c.fMinITSClusters), |
f6d06004 | 149 | fAcceptanceUnf(c.fAcceptanceUnf), |
150 | fKeepD0fromB(c.fKeepD0fromB) | |
f5ec6c30 | 151 | { |
152 | // | |
153 | // Copy Constructor | |
154 | // | |
155 | } | |
156 | ||
157 | //___________________________________________________________________________ | |
158 | AliCFHeavyFlavourTaskMultiVarMultiStep::~AliCFHeavyFlavourTaskMultiVarMultiStep() { | |
159 | // | |
160 | //destructor | |
161 | // | |
162 | if (fCFManager) delete fCFManager ; | |
163 | if (fHistEventsProcessed) delete fHistEventsProcessed ; | |
a5d92cb4 | 164 | if (fCorrelation) delete fCorrelation ; |
f5ec6c30 | 165 | } |
166 | ||
167 | //_________________________________________________ | |
168 | void AliCFHeavyFlavourTaskMultiVarMultiStep::UserExec(Option_t *) | |
169 | { | |
170 | // | |
171 | // Main loop function | |
172 | // | |
173 | ||
174 | if (fFillFromGenerated){ | |
175 | AliWarning("Flag to fill container with generated value ON ---> dca, d0pi, d0K, d0xd0, cosPointingAngle will be set as dummy!"); | |
176 | } | |
177 | ||
178 | if (!fInputEvent) { | |
179 | Error("UserExec","NO EVENT FOUND!"); | |
180 | return; | |
181 | } | |
182 | ||
183 | fEvents++; | |
b3f25f64 | 184 | if (fEvents%10000 ==0) AliDebug(2,Form("Event %d",fEvents)); |
f5ec6c30 | 185 | AliAODEvent* aodEvent = dynamic_cast<AliAODEvent*>(fInputEvent); |
b557eb43 | 186 | |
187 | TClonesArray *arrayD0toKpi=0; | |
188 | ||
189 | if(!aodEvent && AODEvent() && IsStandardAOD()) { | |
190 | // In case there is an AOD handler writing a standard AOD, use the AOD | |
191 | // event in memory rather than the input (ESD) event. | |
192 | aodEvent = dynamic_cast<AliAODEvent*> (AODEvent()); | |
193 | // in this case the braches in the deltaAOD (AliAOD.VertexingHF.root) | |
194 | // have to taken from the AOD event hold by the AliAODExtension | |
195 | AliAODHandler* aodHandler = (AliAODHandler*) | |
196 | ((AliAnalysisManager::GetAnalysisManager())->GetOutputEventHandler()); | |
197 | if(aodHandler->GetExtensions()) { | |
198 | AliAODExtension *ext = (AliAODExtension*)aodHandler->GetExtensions()->FindObject("AliAOD.VertexingHF.root"); | |
199 | AliAODEvent *aodFromExt = ext->GetAOD(); | |
200 | arrayD0toKpi=(TClonesArray*)aodFromExt->GetList()->FindObject("D0toKpi"); | |
201 | } | |
202 | } else { | |
203 | arrayD0toKpi=(TClonesArray*)aodEvent->GetList()->FindObject("D0toKpi"); | |
204 | } | |
205 | ||
206 | ||
207 | if (!arrayD0toKpi) { | |
208 | AliError("Could not find array of HF vertices"); | |
209 | return; | |
210 | } | |
211 | ||
212 | ||
3ece36df | 213 | fCFManager->SetRecEventInfo(aodEvent); |
71f713c7 | 214 | fCFManager->SetMCEventInfo(aodEvent); |
f5ec6c30 | 215 | |
216 | // MC-event selection | |
f6d06004 | 217 | Double_t containerInput[13] ; |
218 | Double_t containerInputMC[13] ; | |
f5ec6c30 | 219 | |
220 | //loop on the MC event | |
221 | ||
222 | TClonesArray* mcArray = dynamic_cast<TClonesArray*>(aodEvent->FindListObject(AliAODMCParticle::StdBranchName())); | |
a8b9a95a | 223 | if (!mcArray) { |
224 | AliError("Could not find Monte-Carlo in AOD"); | |
225 | return; | |
226 | } | |
f5ec6c30 | 227 | Int_t icountMC = 0; |
228 | Int_t icountAcc = 0; | |
229 | Int_t icountReco = 0; | |
ae3e319c | 230 | Int_t icountVertex = 0; |
231 | Int_t icountRefit = 0; | |
f5ec6c30 | 232 | Int_t icountRecoAcc = 0; |
233 | Int_t icountRecoITSClusters = 0; | |
234 | Int_t icountRecoPPR = 0; | |
235 | ||
a8b9a95a | 236 | AliAODMCHeader *mcHeader = dynamic_cast<AliAODMCHeader*>(aodEvent->GetList()->FindObject(AliAODMCHeader::StdBranchName())); |
237 | if (!mcHeader) { | |
238 | AliError("Could not find MC Header in AOD"); | |
239 | return; | |
240 | } | |
241 | ||
e8158e56 | 242 | Int_t cquarks = 0; |
243 | ||
ae3e319c | 244 | // AOD primary vertex |
245 | AliAODVertex *vtx1 = (AliAODVertex*)aodEvent->GetPrimaryVertex(); | |
a8b9a95a | 246 | Double_t zPrimVertex = vtx1->GetZ(); |
247 | Double_t zMCVertex = mcHeader->GetVtxZ(); | |
ae3e319c | 248 | Bool_t vtxFlag = kTRUE; |
249 | TString title=vtx1->GetTitle(); | |
250 | if(!title.Contains("VertexerTracks")) vtxFlag=kFALSE; | |
251 | ||
f5ec6c30 | 252 | for (Int_t iPart=0; iPart<mcArray->GetEntriesFast(); iPart++) { |
253 | AliAODMCParticle* mcPart = dynamic_cast<AliAODMCParticle*>(mcArray->At(iPart)); | |
e8158e56 | 254 | if (mcPart->GetPdgCode() == 4) cquarks++; |
255 | if (mcPart->GetPdgCode() == -4) cquarks++; | |
f5ec6c30 | 256 | if (!mcPart) { |
257 | AliWarning("Particle not found in tree, skipping"); | |
258 | continue; | |
259 | } | |
260 | ||
261 | // check the MC-level cuts | |
e8158e56 | 262 | |
f5ec6c30 | 263 | if (!fCFManager->CheckParticleCuts(0, mcPart)) continue; // 0 stands for MC level |
e8158e56 | 264 | Int_t pdgGranma = CheckOrigin(mcPart, mcArray); |
265 | Int_t abspdgGranma = TMath::Abs(pdgGranma); | |
266 | if ((abspdgGranma > 500 && abspdgGranma < 600) || (abspdgGranma > 5000 && abspdgGranma < 6000)) { | |
caf4ca8b | 267 | AliDebug(2,Form("Particle has a b-meson, or b-baryon mother (pdg code mother = %d )--> not coming from a c-quark, skipping...", pdgGranma)); |
f6d06004 | 268 | if (!fKeepD0fromB) continue; // skipping particles that don't come from c quark |
e8158e56 | 269 | } |
f5ec6c30 | 270 | |
e8158e56 | 271 | // if (TMath::Abs(pdgGranma)!=4) { |
272 | ||
f5ec6c30 | 273 | // fill the container for Gen-level selection |
e8158e56 | 274 | Double_t vectorMC[7] = {9999.,9999.,9999.,9999.,9999.,9999.,9999.}; |
f5ec6c30 | 275 | if (GetGeneratedValuesFromMCParticle(mcPart, mcArray, vectorMC)){ |
ae3e319c | 276 | containerInputMC[0] = vectorMC[0]; |
277 | containerInputMC[1] = vectorMC[1] ; | |
278 | containerInputMC[2] = vectorMC[2] ; | |
279 | containerInputMC[3] = vectorMC[3] ; | |
280 | containerInputMC[4] = vectorMC[4] ; | |
281 | containerInputMC[5] = vectorMC[5] ; // in micron | |
282 | containerInputMC[6] = 0.; // dummy value, meaningless in MC, in micron | |
283 | containerInputMC[7] = 0.; // dummy value, meaningless in MC, in micron | |
284 | containerInputMC[8] = 0.; // dummy value, meaningless in MC, in micron | |
285 | containerInputMC[9] = -100000.; // dummy value, meaningless in MC, in micron^2 | |
286 | containerInputMC[10] = 1.01; // dummy value, meaningless in MC | |
287 | containerInputMC[11] = vectorMC[6]; // dummy value, meaningless in MC | |
a8b9a95a | 288 | containerInputMC[12] = zMCVertex; // z of reconstructed of primary vertex |
ae3e319c | 289 | fCFManager->GetParticleContainer()->Fill(containerInputMC,kStepGenerated); |
f5ec6c30 | 290 | icountMC++; |
291 | ||
292 | // check the MC-Acceptance level cuts | |
293 | // since standard CF functions are not applicable, using Kine Cuts on daughters | |
294 | ||
295 | Int_t daughter0 = mcPart->GetDaughter(0); | |
296 | Int_t daughter1 = mcPart->GetDaughter(1); | |
297 | AliDebug(2, Form("daughter0 = %d and daughter1 = %d",daughter0,daughter1)); | |
298 | if (daughter0 == 0 || daughter1 == 0) { | |
299 | AliDebug(2, "Error! the D0 MC doesn't have correct daughters!! But it should have, this check was already done..."); | |
300 | } | |
421623bd | 301 | if (TMath::Abs(daughter1 - daughter0) != 1) { |
f5ec6c30 | 302 | AliDebug(2, "The D0 MC doesn't come from a 2-prong decay, but it should be, this check was already done..."); |
303 | } | |
304 | AliAODMCParticle* mcPartDaughter0 = dynamic_cast<AliAODMCParticle*>(mcArray->At(daughter0)); | |
305 | AliAODMCParticle* mcPartDaughter1 = dynamic_cast<AliAODMCParticle*>(mcArray->At(daughter1)); | |
306 | if (!mcPartDaughter0 || !mcPartDaughter1) { | |
307 | AliWarning("At least one Daughter Particle not found in tree, but it should be, this check was already done..."); | |
308 | } | |
309 | Double_t eta0 = mcPartDaughter0->Eta(); | |
310 | Double_t eta1 = mcPartDaughter1->Eta(); | |
311 | Double_t y0 = mcPartDaughter0->Y(); | |
312 | Double_t y1 = mcPartDaughter1->Y(); | |
313 | Double_t pt0 = mcPartDaughter0->Pt(); | |
314 | Double_t pt1 = mcPartDaughter1->Pt(); | |
315 | AliDebug(2, Form("Daughter 0: eta = %f, y = %f, pt = %f", eta0, y0, pt0)); | |
316 | AliDebug(2, Form("Daughter 1: eta = %f, y = %f, pt = %f", eta1, y1, pt1)); | |
317 | Bool_t daught0inAcceptance = (TMath::Abs(eta0) < 0.9 && pt0 > 0.1); | |
318 | Bool_t daught1inAcceptance = (TMath::Abs(eta1) < 0.9 && pt1 > 0.1); | |
319 | if (daught0inAcceptance && daught1inAcceptance) { | |
320 | // checking whether the cuts implemented in the CF are equivalent - simply a cross-check | |
321 | AliDebug(2, "Daughter particles in acceptance"); | |
322 | if (!fCFManager->CheckParticleCuts(1, mcPartDaughter0)) { | |
b3f25f64 | 323 | AliDebug(2,"Inconsistency with CF cut for daughter 0!"); |
f5ec6c30 | 324 | } |
325 | if (!fCFManager->CheckParticleCuts(1, mcPartDaughter1)) { | |
b3f25f64 | 326 | AliDebug(2,"Inconsistency with CF cut for daughter 1!"); |
f5ec6c30 | 327 | } |
ae3e319c | 328 | fCFManager->GetParticleContainer()->Fill(containerInputMC,kStepAcceptance); |
f5ec6c30 | 329 | icountAcc++; |
ae3e319c | 330 | |
331 | // check on the vertex | |
332 | if (vtxFlag){ | |
333 | printf("Vertex cut passed\n"); | |
334 | // filling the container if the vertex is ok | |
335 | fCFManager->GetParticleContainer()->Fill(containerInputMC,kStepVertex) ; | |
336 | printf("Vertex cut passed 2\n"); | |
337 | icountVertex++; | |
338 | // check on the kTPCrefit and kITSrefit conditions of the daughters | |
d889c6c0 | 339 | Bool_t refitFlag = kTRUE; |
ae3e319c | 340 | for (Int_t iaod =0; iaod<aodEvent->GetNumberOfTracks(); iaod++){ |
341 | AliAODTrack *track = (AliAODTrack*)aodEvent->GetTrack(iaod); | |
d889c6c0 | 342 | if ((track->GetLabel() == daughter0) || (track->GetLabel() == daughter1)) { |
343 | if(!(track->GetStatus()&AliESDtrack::kTPCrefit) || !(track->GetStatus()&AliESDtrack::kITSrefit)) { | |
344 | refitFlag = kFALSE; | |
345 | } | |
ae3e319c | 346 | } |
347 | } | |
348 | if (refitFlag){ | |
349 | printf("Refit cut passed\n"); | |
350 | fCFManager->GetParticleContainer()->Fill(containerInputMC,kStepRefit); | |
351 | icountRefit++; | |
352 | } | |
353 | else{ | |
354 | AliDebug(3,"Refit cut not passed\n"); | |
355 | } | |
356 | } | |
357 | else{ | |
358 | AliDebug(3,"Vertex cut not passed\n"); | |
359 | } | |
360 | } | |
361 | else{ | |
362 | AliDebug(3,"Acceptance cut not passed\n"); | |
f5ec6c30 | 363 | } |
364 | } | |
365 | else { | |
366 | AliDebug(3,"Problems in filling the container"); | |
367 | continue; | |
368 | } | |
e8158e56 | 369 | } |
ae3e319c | 370 | |
caf4ca8b | 371 | if (cquarks<2) AliDebug(2,Form("Event found with %d c-quarks", cquarks)); |
f5ec6c30 | 372 | |
b3f25f64 | 373 | AliDebug(2,Form("Found %i MC particles that are D0!!",icountMC)); |
374 | AliDebug(2,Form("Found %i MC particles that are D0 and satisfy Acc cuts!!",icountAcc)); | |
375 | AliDebug(2,Form("Found %i MC particles that are D0 and satisfy Vertex cuts!!",icountVertex)); | |
376 | AliDebug(2,Form("Found %i MC particles that are D0 and satisfy Refit cuts!!",icountRefit)); | |
f5ec6c30 | 377 | |
378 | // Now go to rec level | |
379 | fCountMC += icountMC; | |
380 | fCountAcc += icountAcc; | |
381 | ||
1e090d47 | 382 | AliDebug(2, Form("Found %d vertices",arrayD0toKpi->GetEntriesFast())); |
6afbe9bf | 383 | |
384 | Int_t pdgDgD0toKpi[2]={321,211}; | |
385 | ||
1e090d47 | 386 | for (Int_t iD0toKpi = 0; iD0toKpi<arrayD0toKpi->GetEntriesFast(); iD0toKpi++) { |
f5ec6c30 | 387 | |
1e090d47 | 388 | AliAODRecoDecayHF2Prong* d0tokpi = (AliAODRecoDecayHF2Prong*)arrayD0toKpi->At(iD0toKpi); |
389 | Bool_t unsetvtx=kFALSE; | |
390 | if(!d0tokpi->GetOwnPrimaryVtx()) { | |
391 | d0tokpi->SetOwnPrimaryVtx(vtx1); // needed to compute all variables | |
392 | unsetvtx=kTRUE; | |
393 | } | |
394 | ||
f5ec6c30 | 395 | // find associated MC particle |
6afbe9bf | 396 | Int_t mcLabel = d0tokpi->MatchToMC(421,mcArray,2,pdgDgD0toKpi) ; |
f5ec6c30 | 397 | if (mcLabel == -1) |
398 | { | |
399 | AliDebug(2,"No MC particle found"); | |
400 | } | |
401 | else { | |
402 | AliAODMCParticle* mcVtxHF = (AliAODMCParticle*)mcArray->At(mcLabel); | |
403 | if (!mcVtxHF) { | |
404 | AliWarning("Could not find associated MC in AOD MC tree"); | |
405 | continue; | |
406 | } | |
ae3e319c | 407 | // check whether the daughters have kTPCrefit and kITSrefit set |
aed46c56 | 408 | AliAODTrack *track0 = (AliAODTrack*)d0tokpi->GetDaughter(0); |
409 | AliAODTrack *track1 = (AliAODTrack*)d0tokpi->GetDaughter(1); | |
ae3e319c | 410 | if((!(track0->GetStatus()&AliESDtrack::kTPCrefit)) || (!(track1->GetStatus()&AliESDtrack::kTPCrefit)) || (!(track0->GetStatus()&AliESDtrack::kITSrefit)) || (!(track1->GetStatus()&AliESDtrack::kITSrefit))) { |
411 | // skipping if at least one daughter does not have kTPCrefit or kITSrefit | |
412 | continue; | |
413 | } | |
414 | ||
415 | // check on the vertex -- could be moved outside the loop on the reconstructed D0... | |
416 | if(!vtxFlag) { | |
417 | // skipping cause vertex is not ok | |
aed46c56 | 418 | continue; |
419 | } | |
420 | ||
8855c601 | 421 | const Double_t d0tokpiCuts[9] = {0.3,999999.,1.1,0.,0.,999999.,999999.,999999.,0.}; |
aed46c56 | 422 | Int_t okD0, okD0bar; |
8855c601 | 423 | if (!(d0tokpi->SelectD0(&d0tokpiCuts[0],okD0,okD0bar))){ |
aed46c56 | 424 | // skipping candidate |
425 | continue; | |
426 | } | |
427 | ||
f5ec6c30 | 428 | // check if associated MC v0 passes the cuts |
429 | if (!fCFManager->CheckParticleCuts(0 ,mcVtxHF)) { // 0 stands for MC | |
430 | AliDebug(2, "Skipping the particles due to cuts"); | |
431 | continue; | |
432 | } | |
e8158e56 | 433 | Int_t pdgGranma = CheckOrigin(mcVtxHF, mcArray); |
434 | Int_t abspdgGranma = TMath::Abs(pdgGranma); | |
435 | if ((abspdgGranma > 500 && abspdgGranma < 600) || (abspdgGranma > 5000 && abspdgGranma < 6000)) { | |
caf4ca8b | 436 | AliDebug(2,Form("At Reco level, from MC info: Particle has a b-meson, or b-baryon mother (pdg code mother = %d )--> not coming from a c-quark, skipping...", pdgGranma)); |
f6d06004 | 437 | if (!fKeepD0fromB) continue; // skipping particles that don't come from c quark |
e8158e56 | 438 | } |
f5ec6c30 | 439 | |
440 | // fill the container... | |
1e090d47 | 441 | Double_t pt = d0tokpi->Pt(); |
442 | Double_t rapidity = d0tokpi->YD0(); | |
65f0c9a8 | 443 | Double_t invMass=0.; |
f5ec6c30 | 444 | Double_t cosThetaStar = 9999.; |
445 | Double_t pTpi = 0.; | |
446 | Double_t pTK = 0.; | |
1e090d47 | 447 | Double_t dca = d0tokpi->GetDCA(); |
f5ec6c30 | 448 | Double_t d0pi = 0.; |
449 | Double_t d0K = 0.; | |
1e090d47 | 450 | Double_t d0xd0 = d0tokpi->Prodd0d0(); |
e8158e56 | 451 | Double_t cosPointingAngle = d0tokpi->CosPointingAngle(); |
452 | Double_t phi = d0tokpi->Phi(); | |
f5ec6c30 | 453 | Int_t pdgCode = mcVtxHF->GetPdgCode(); |
454 | if (pdgCode > 0){ | |
1e090d47 | 455 | cosThetaStar = d0tokpi->CosThetaStarD0(); |
456 | pTpi = d0tokpi->PtProng(0); | |
457 | pTK = d0tokpi->PtProng(1); | |
458 | d0pi = d0tokpi->Getd0Prong(0); | |
459 | d0K = d0tokpi->Getd0Prong(1); | |
65f0c9a8 | 460 | invMass=d0tokpi->InvMassD0(); |
f5ec6c30 | 461 | } |
462 | else { | |
1e090d47 | 463 | cosThetaStar = d0tokpi->CosThetaStarD0bar(); |
464 | pTpi = d0tokpi->PtProng(1); | |
465 | pTK = d0tokpi->PtProng(0); | |
466 | d0pi = d0tokpi->Getd0Prong(1); | |
467 | d0K = d0tokpi->Getd0Prong(0); | |
65f0c9a8 | 468 | invMass=d0tokpi->InvMassD0bar(); |
f5ec6c30 | 469 | } |
470 | ||
1e090d47 | 471 | Double_t cT = d0tokpi->CtD0(); |
f5ec6c30 | 472 | |
473 | if (!fFillFromGenerated){ | |
474 | // ...either with reconstructed values.... | |
475 | containerInput[0] = pt; | |
476 | containerInput[1] = rapidity; | |
477 | containerInput[2] = cosThetaStar; | |
478 | containerInput[3] = pTpi; | |
479 | containerInput[4] = pTK; | |
480 | containerInput[5] = cT*1.E4; // in micron | |
481 | containerInput[6] = dca*1.E4; // in micron | |
482 | containerInput[7] = d0pi*1.E4; // in micron | |
483 | containerInput[8] = d0K*1.E4; // in micron | |
484 | containerInput[9] = d0xd0*1.E8; // in micron^2 | |
485 | containerInput[10] = cosPointingAngle; // in micron | |
e8158e56 | 486 | containerInput[11] = phi; |
6ff32235 | 487 | containerInput[12] = zPrimVertex; // z of reconstructed of primary vertex |
f5ec6c30 | 488 | } |
489 | else { | |
490 | // ... or with generated values | |
e8158e56 | 491 | Double_t vectorMC[7] = {9999.,9999.,9999.,9999.,9999.,9999.,9999.}; |
f5ec6c30 | 492 | if (GetGeneratedValuesFromMCParticle(mcVtxHF, mcArray, vectorMC)){ |
493 | containerInput[0] = vectorMC[0]; | |
494 | containerInput[1] = vectorMC[1] ; | |
495 | containerInput[2] = vectorMC[2] ; | |
496 | containerInput[3] = vectorMC[3] ; | |
497 | containerInput[4] = vectorMC[4] ; | |
498 | containerInput[5] = vectorMC[5] ; // in micron | |
499 | containerInput[6] = 0.; // dummy value, meaningless in MC, in micron | |
500 | containerInput[7] = 0.; // dummy value, meaningless in MC, in micron | |
501 | containerInput[8] = 0.; // dummy value, meaningless in MC, in micron | |
502 | containerInput[9] = 100000.; // dummy value, meaningless in MC, in micron^2 | |
503 | containerInput[10] = 1.01; // dummy value, meaningless in MC | |
e8158e56 | 504 | containerInput[11] = vectorMC[6]; |
6ff32235 | 505 | containerInput[12] = zMCVertex; // z of reconstructed of primary vertex |
f5ec6c30 | 506 | } |
507 | else { | |
508 | AliDebug(3,"Problems in filling the container"); | |
509 | continue; | |
510 | } | |
511 | } | |
512 | AliDebug(2, Form("Filling the container with pt = %f, rapidity = %f, cosThetaStar = %f, pTpi = %f, pTK = %f, cT = %f", containerInput[0], containerInput[1], containerInput[2], containerInput[3], containerInput[4], containerInput[5])); | |
513 | icountReco++; | |
514 | fCFManager->GetParticleContainer()->Fill(containerInput,kStepReconstructed) ; | |
515 | ||
516 | // cut in acceptance | |
1e090d47 | 517 | Bool_t acceptanceProng0 = (TMath::Abs(d0tokpi->EtaProng(0))< 0.9 && d0tokpi->PtProng(0) > 0.1); |
518 | Bool_t acceptanceProng1 = (TMath::Abs(d0tokpi->EtaProng(1))< 0.9 && d0tokpi->PtProng(1) > 0.1); | |
f5ec6c30 | 519 | if (acceptanceProng0 && acceptanceProng1) { |
520 | AliDebug(2,"D0 reco daughters in acceptance"); | |
521 | fCFManager->GetParticleContainer()->Fill(containerInput,kStepRecoAcceptance) ; | |
a5d92cb4 | 522 | icountRecoAcc++; |
ae3e319c | 523 | |
524 | if(fAcceptanceUnf){ | |
525 | ||
526 | Double_t fill[4]; //fill response matrix | |
527 | ||
528 | // dimensions 0&1 : pt,eta (Rec) | |
529 | ||
530 | fill[0] = pt ; | |
531 | fill[1] = rapidity; | |
532 | ||
533 | // dimensions 2&3 : pt,eta (MC) | |
534 | ||
535 | fill[2] = mcVtxHF->Pt(); | |
536 | fill[3] = mcVtxHF->Y(); | |
537 | ||
538 | fCorrelation->Fill(fill); | |
539 | ||
540 | } | |
541 | ||
f5ec6c30 | 542 | // cut on the min n. of clusters in ITS |
d889c6c0 | 543 | Int_t ncls0=0,ncls1=0; |
544 | for(Int_t l=0;l<6;l++) { | |
545 | if(TESTBIT(track0->GetITSClusterMap(),l)) ncls0++; | |
546 | if(TESTBIT(track1->GetITSClusterMap(),l)) ncls1++; | |
547 | } | |
f5ec6c30 | 548 | AliDebug(2, Form("n clusters = %d", ncls0)); |
d889c6c0 | 549 | if (ncls0 >= fMinITSClusters && ncls1 >= fMinITSClusters) { |
f5ec6c30 | 550 | fCFManager->GetParticleContainer()->Fill(containerInput,kStepRecoITSClusters) ; |
551 | icountRecoITSClusters++; | |
552 | AliDebug(2,Form("pT = %f, dca = %f, cosThetaStar = %f, pTpi = %f, pTK = %f, d0pi = %f, d0K = %f, d0xd0 = %f, cosPointingAngle = %f", pt, dca, cosThetaStar,pTpi, pTK, d0pi*1E4, d0K*1E4, d0xd0*1E8, cosPointingAngle)); | |
ae3e319c | 553 | |
f5ec6c30 | 554 | // PPR cuts |
65f0c9a8 | 555 | //added mass cut for D0 analysis |
556 | Double_t cuts[7] = {9999999., 1.1, 0., 9999999., 9999999., 0.,0.027}; | |
557 | //cuts of the D0 analysis (looser) see AliAnalysisTaskSED0Mass.cxx | |
f5ec6c30 | 558 | if (pt <= 1){ |
c1e7e89d | 559 | |
560 | //coutputmassD02 | |
65f0c9a8 | 561 | cuts[0] = 400; //dca (um) |
562 | cuts[1] = 0.8; //cosTstar | |
563 | cuts[2] = 0.5; //pt (GeV/c) | |
564 | cuts[3] = 500; //d0 (um) | |
565 | cuts[4] = -25000; //d0xd0 (um^2) | |
566 | cuts[5] = 0.7; //cosTpointing | |
c1e7e89d | 567 | /* |
568 | //PPR | |
569 | cuts[0] = 400; //dca (um) | |
570 | cuts[1] = 0.8; //cosTstar | |
571 | cuts[2] = 0.5; //pt (GeV/c) | |
572 | cuts[3] = 500; //d0 (um) | |
573 | cuts[4] = -20000; //d0xd0 (um^2) | |
574 | cuts[5] = 0.5; //cosTpointing | |
575 | */ | |
f5ec6c30 | 576 | } |
c1e7e89d | 577 | /* //not same cuts for pt = 1 to 2 and 1 to 3 GeV in case must match them because of poor stat |
578 | else if (pt > 1 && pt <= 2){ | |
579 | ||
580 | //coutputmassD02 | |
581 | cuts[0] = 300; | |
582 | cuts[1] = 0.8; | |
583 | cuts[2] = 0.6; | |
584 | cuts[3] = 1000; | |
585 | cuts[4] = -25000; | |
586 | cuts[5] = 0.7; | |
587 | ||
588 | //PPR | |
589 | cuts[0] = 300; | |
590 | cuts[1] = 0.8; | |
591 | cuts[2] = 0.6; | |
592 | cuts[3] = 500; | |
593 | cuts[4] = -20000; | |
594 | cuts[5] = 0.6; | |
595 | ||
596 | } | |
597 | */ | |
65f0c9a8 | 598 | else if (pt > 1 && pt <= 3){ |
c1e7e89d | 599 | |
600 | //coutputmassD02 | |
601 | cuts[0] = 200; | |
602 | cuts[1] = 0.8; | |
603 | cuts[2] = 0.7; | |
604 | cuts[3] = 1000; | |
605 | cuts[4] = -25000; | |
606 | cuts[5] = 0.8; | |
607 | /* | |
608 | //PPR | |
609 | cuts[0] = 300; | |
610 | cuts[1] = 0.8; | |
611 | cuts[2] = 0.6; | |
612 | cuts[3] = 500; | |
613 | cuts[4] = -20000; | |
614 | cuts[5] = 0.6; | |
615 | */ | |
f5ec6c30 | 616 | } |
617 | else if (pt > 3 && pt <= 5){ | |
c1e7e89d | 618 | |
619 | //coutputmassD02 | |
620 | cuts[0] = 200; | |
621 | cuts[1] = 0.8; | |
622 | cuts[2] = 0.7; | |
623 | cuts[3] = 500; | |
624 | cuts[4] = -15000; | |
625 | cuts[5] = 0.8; | |
626 | /* | |
627 | //PPR | |
628 | cuts[0] = 200; | |
629 | cuts[1] = 0.8; | |
630 | cuts[2] = 0.7; | |
631 | cuts[3] = 500; | |
632 | cuts[4] = -10000; | |
633 | cuts[5] = 0.8; | |
634 | */ | |
f5ec6c30 | 635 | } |
636 | else if (pt > 5){ | |
c1e7e89d | 637 | |
638 | //coutputmassD02 | |
639 | cuts[0] = 200; | |
640 | cuts[1] = 0.8; | |
641 | cuts[2] = 0.7; | |
642 | cuts[3] = 500; | |
643 | cuts[4] = -15000; | |
644 | cuts[5] = 0.9; | |
645 | /* | |
646 | //PPR | |
647 | cuts[0] = 200; | |
648 | cuts[1] = 0.8; | |
649 | cuts[2] = 0.7; | |
650 | cuts[3] = 500; | |
651 | cuts[4] = -5000; | |
652 | cuts[5] = 0.8; | |
653 | */ | |
f5ec6c30 | 654 | } |
65f0c9a8 | 655 | |
656 | Double_t mD0PDG = TDatabasePDG::Instance()->GetParticle(421)->Mass(); | |
657 | if (TMath::Abs(invMass-mD0PDG) < cuts[6] | |
658 | && dca*1E4 < cuts[0] | |
f5ec6c30 | 659 | && TMath::Abs(cosThetaStar) < cuts[1] |
660 | && pTpi > cuts[2] | |
661 | && pTK > cuts[2] | |
662 | && TMath::Abs(d0pi*1E4) < cuts[3] | |
663 | && TMath::Abs(d0K*1E4) < cuts[3] | |
664 | && d0xd0*1E8 < cuts[4] | |
665 | && cosPointingAngle > cuts[5] | |
666 | ){ | |
ae3e319c | 667 | |
65f0c9a8 | 668 | AliDebug(2,"Particle passed PPR cuts (actually cuts for D0 analysis!)"); |
f5ec6c30 | 669 | fCFManager->GetParticleContainer()->Fill(containerInput,kStepRecoPPR) ; |
670 | icountRecoPPR++; | |
ae3e319c | 671 | |
672 | if(!fAcceptanceUnf){ // unfolding | |
673 | ||
674 | Double_t fill[4]; //fill response matrix | |
675 | ||
676 | // dimensions 0&1 : pt,eta (Rec) | |
677 | ||
678 | fill[0] = pt ; | |
679 | fill[1] = rapidity; | |
680 | ||
681 | // dimensions 2&3 : pt,eta (MC) | |
682 | ||
683 | fill[2] = mcVtxHF->Pt(); | |
684 | fill[3] = mcVtxHF->Y(); | |
685 | ||
686 | fCorrelation->Fill(fill); | |
687 | ||
688 | } | |
f5ec6c30 | 689 | } |
690 | else{ | |
691 | AliDebug(2,"Particle skipped due to PPR cuts"); | |
692 | if (dca*1E4 > cuts[0]){ | |
693 | AliDebug(2,"Problems with dca"); | |
694 | } | |
695 | if ( TMath::Abs(cosThetaStar) > cuts[1]){ | |
696 | AliDebug(2,"Problems with cosThetaStar"); | |
697 | } | |
698 | if (pTpi < cuts[2]){ | |
699 | AliDebug(2,"Problems with pTpi"); | |
700 | } | |
701 | if (pTK < cuts[2]){ | |
702 | AliDebug(2,"Problems with pTK"); | |
703 | } | |
704 | if (TMath::Abs(d0pi*1E4) > cuts[3]){ | |
705 | AliDebug(2,"Problems with d0pi"); | |
706 | } | |
707 | if (TMath::Abs(d0K*1E4) > cuts[3]){ | |
708 | AliDebug(2,"Problems with d0K"); | |
709 | } | |
710 | if (d0xd0*1E8 > cuts[4]){ | |
711 | AliDebug(2,"Problems with d0xd0"); | |
712 | } | |
713 | if (cosPointingAngle < cuts[5]){ | |
714 | AliDebug(2,"Problems with cosPointingAngle"); | |
715 | } | |
716 | } | |
717 | } | |
718 | } | |
719 | } | |
1e090d47 | 720 | if(unsetvtx) d0tokpi->UnsetOwnPrimaryVtx(); |
721 | } // end loop on D0->Kpi | |
f5ec6c30 | 722 | |
723 | AliDebug(2, Form("Found %i Reco particles that are D0!!",icountReco)); | |
724 | ||
725 | fCountReco+= icountReco; | |
ae3e319c | 726 | fCountVertex+= icountVertex; |
727 | fCountRefit+= icountRefit; | |
f5ec6c30 | 728 | fCountRecoAcc+= icountRecoAcc; |
729 | fCountRecoITSClusters+= icountRecoITSClusters; | |
730 | fCountRecoPPR+= icountRecoPPR; | |
731 | ||
732 | fHistEventsProcessed->Fill(0); | |
733 | /* PostData(0) is taken care of by AliAnalysisTaskSE */ | |
734 | PostData(1,fHistEventsProcessed) ; | |
735 | PostData(2,fCFManager->GetParticleContainer()) ; | |
a5d92cb4 | 736 | PostData(3,fCorrelation) ; |
f5ec6c30 | 737 | } |
738 | ||
739 | ||
740 | //___________________________________________________________________________ | |
741 | void AliCFHeavyFlavourTaskMultiVarMultiStep::Terminate(Option_t*) | |
742 | { | |
743 | // The Terminate() function is the last function to be called during | |
744 | // a query. It always runs on the client, it can be used to present | |
745 | // the results graphically or save the results to file. | |
746 | ||
f5ec6c30 | 747 | AliAnalysisTaskSE::Terminate(); |
748 | ||
749 | AliInfo(Form("Found %i MC particles that are D0 in MC, in %d events",fCountMC,fEvents)); | |
750 | AliInfo(Form("Found %i MC particles that are D0 in MC and satisfy Acc cuts, in %d events",fCountAcc,fEvents)); | |
ae3e319c | 751 | AliInfo(Form("Found %i MC particles that are D0 in MC and satisfy Acc cuts, and satisfy Vertex requirement in %d events",fCountVertex,fEvents)); |
752 | AliInfo(Form("Found %i MC particles that are D0 in MC and satisfy Acc cuts, and satisfy ITS+TPC refit requirementin %d events",fCountRefit,fEvents)); | |
f5ec6c30 | 753 | AliInfo(Form("Found %i reco D0 that are decaying in K+pi, in %d events",fCountReco,fEvents)); |
754 | AliInfo(Form("Among the above, found %i reco D0 that are decaying in K+pi and are in the requested acceptance, in %d events",fCountRecoAcc,fEvents)); | |
755 | AliInfo(Form("Among the above, found %i reco D0 that are decaying in K+pi and have at least %d clusters in ITS, in %d events",fCountRecoITSClusters,fMinITSClusters,fEvents)); | |
756 | AliInfo(Form("Among the above, found %i reco D0 that are decaying in K+pi and satisfy PPR cuts, in %d events",fCountRecoPPR,fEvents)); | |
757 | ||
758 | // draw some example plots.... | |
759 | ||
760 | AliCFContainer *cont= dynamic_cast<AliCFContainer*> (GetOutputData(2)); | |
33aa234e | 761 | if(!cont) { |
762 | printf("CONTAINER NOT FOUND\n"); | |
763 | return; | |
764 | } | |
f5ec6c30 | 765 | // projecting the containers to obtain histograms |
766 | // first argument = variable, second argument = step | |
767 | ||
768 | // MC-level | |
769 | TH1D* h00 = cont->ShowProjection(0,0) ; // pt | |
770 | TH1D* h10 = cont->ShowProjection(1,0) ; // rapidity | |
771 | TH1D* h20 = cont->ShowProjection(2,0) ; // cosThetaStar | |
772 | TH1D* h30 = cont->ShowProjection(3,0) ; // pTpi | |
773 | TH1D* h40 = cont->ShowProjection(4,0) ; // pTK | |
774 | TH1D* h50 = cont->ShowProjection(5,0) ; // cT | |
775 | TH1D* h60 = cont->ShowProjection(6,0) ; // dca | |
776 | TH1D* h70 = cont->ShowProjection(7,0) ; // d0pi | |
777 | TH1D* h80 = cont->ShowProjection(8,0) ; // d0K | |
778 | TH1D* h90 = cont->ShowProjection(9,0) ; // d0xd0 | |
779 | TH1D* h100 = cont->ShowProjection(10,0) ; // cosPointingAngle | |
e8158e56 | 780 | TH1D* h110 = cont->ShowProjection(11,0) ; // phi |
f5ec6c30 | 781 | |
782 | // MC-Acceptance level | |
783 | TH1D* h01 = cont->ShowProjection(0,1) ; // pt | |
784 | TH1D* h11 = cont->ShowProjection(1,1) ; // rapidity | |
785 | TH1D* h21 = cont->ShowProjection(2,1) ; // cosThetaStar | |
786 | TH1D* h31 = cont->ShowProjection(3,1) ; // pTpi | |
787 | TH1D* h41 = cont->ShowProjection(4,1) ; // pTK | |
788 | TH1D* h51 = cont->ShowProjection(5,1) ; // cT | |
789 | TH1D* h61 = cont->ShowProjection(6,1) ; // dca | |
790 | TH1D* h71 = cont->ShowProjection(7,1) ; // d0pi | |
791 | TH1D* h81 = cont->ShowProjection(8,1) ; // d0K | |
792 | TH1D* h91 = cont->ShowProjection(9,1) ; // d0xd0 | |
793 | TH1D* h101 = cont->ShowProjection(10,1) ; // cosPointingAngle | |
e8158e56 | 794 | TH1D* h111 = cont->ShowProjection(11,1) ; // phi |
f5ec6c30 | 795 | |
796 | // Reco-level | |
ae3e319c | 797 | TH1D* h04 = cont->ShowProjection(0,4) ; // pt |
798 | TH1D* h14 = cont->ShowProjection(1,4) ; // rapidity | |
799 | TH1D* h24 = cont->ShowProjection(2,4) ; // cosThetaStar | |
800 | TH1D* h34 = cont->ShowProjection(3,4) ; // pTpi | |
801 | TH1D* h44 = cont->ShowProjection(4,4) ; // pTK | |
802 | TH1D* h54 = cont->ShowProjection(5,4) ; // cT | |
803 | TH1D* h64 = cont->ShowProjection(6,4) ; // dca | |
804 | TH1D* h74 = cont->ShowProjection(7,4) ; // d0pi | |
805 | TH1D* h84 = cont->ShowProjection(8,4) ; // d0K | |
806 | TH1D* h94 = cont->ShowProjection(9,4) ; // d0xd0 | |
807 | TH1D* h104 = cont->ShowProjection(10,4) ; // cosPointingAngle | |
808 | TH1D* h114 = cont->ShowProjection(11,4) ; // phi | |
f5ec6c30 | 809 | |
810 | h00->SetTitle("pT_D0 (GeV/c)"); | |
811 | h10->SetTitle("rapidity"); | |
812 | h20->SetTitle("cosThetaStar"); | |
813 | h30->SetTitle("pT_pi (GeV/c)"); | |
814 | h40->SetTitle("pT_K (Gev/c)"); | |
815 | h50->SetTitle("cT (#mum)"); | |
816 | h60->SetTitle("dca (#mum)"); | |
817 | h70->SetTitle("d0_pi (#mum)"); | |
818 | h80->SetTitle("d0_K (#mum)"); | |
819 | h90->SetTitle("d0xd0 (#mum^2)"); | |
820 | h100->SetTitle("cosPointingAngle"); | |
e8158e56 | 821 | h100->SetTitle("phi (rad)"); |
f5ec6c30 | 822 | |
823 | h00->GetXaxis()->SetTitle("pT_D0 (GeV/c)"); | |
824 | h10->GetXaxis()->SetTitle("rapidity"); | |
825 | h20->GetXaxis()->SetTitle("cosThetaStar"); | |
826 | h30->GetXaxis()->SetTitle("pT_pi (GeV/c)"); | |
827 | h40->GetXaxis()->SetTitle("pT_K (Gev/c)"); | |
828 | h50->GetXaxis()->SetTitle("cT (#mum)"); | |
829 | h60->GetXaxis()->SetTitle("dca (#mum)"); | |
830 | h70->GetXaxis()->SetTitle("d0_pi (#mum)"); | |
831 | h80->GetXaxis()->SetTitle("d0_K (#mum)"); | |
832 | h90->GetXaxis()->SetTitle("d0xd0 (#mum^2)"); | |
833 | h100->GetXaxis()->SetTitle("cosPointingAngle"); | |
e8158e56 | 834 | h110->GetXaxis()->SetTitle("phi (rad)"); |
f5ec6c30 | 835 | |
836 | h01->SetTitle("pT_D0 (GeV/c)"); | |
837 | h11->SetTitle("rapidity"); | |
838 | h21->SetTitle("cosThetaStar"); | |
839 | h31->SetTitle("pT_pi (GeV/c)"); | |
840 | h41->SetTitle("pT_K (Gev/c)"); | |
841 | h51->SetTitle("cT (#mum)"); | |
842 | h61->SetTitle("dca (#mum)"); | |
843 | h71->SetTitle("d0_pi (#mum)"); | |
844 | h81->SetTitle("d0_K (#mum)"); | |
845 | h91->SetTitle("d0xd0 (#mum^2)"); | |
846 | h101->SetTitle("cosPointingAngle"); | |
e8158e56 | 847 | h111->GetXaxis()->SetTitle("phi (rad)"); |
f5ec6c30 | 848 | |
849 | h01->GetXaxis()->SetTitle("pT_D0 (GeV/c)"); | |
850 | h11->GetXaxis()->SetTitle("rapidity"); | |
851 | h21->GetXaxis()->SetTitle("cosThetaStar"); | |
852 | h31->GetXaxis()->SetTitle("pT_pi (GeV/c)"); | |
853 | h41->GetXaxis()->SetTitle("pT_K (Gev/c)"); | |
854 | h51->GetXaxis()->SetTitle("cT (#mum)"); | |
855 | h61->GetXaxis()->SetTitle("dca (#mum)"); | |
856 | h71->GetXaxis()->SetTitle("d0_pi (#mum)"); | |
857 | h81->GetXaxis()->SetTitle("d0_K (#mum)"); | |
858 | h91->GetXaxis()->SetTitle("d0xd0 (#mum^2)"); | |
859 | h101->GetXaxis()->SetTitle("cosPointingAngle"); | |
e8158e56 | 860 | h111->GetXaxis()->SetTitle("phi (rad)"); |
f5ec6c30 | 861 | |
ae3e319c | 862 | h04->SetTitle("pT_D0 (GeV/c)"); |
863 | h14->SetTitle("rapidity"); | |
864 | h24->SetTitle("cosThetaStar"); | |
865 | h34->SetTitle("pT_pi (GeV/c)"); | |
866 | h44->SetTitle("pT_K (Gev/c)"); | |
867 | h54->SetTitle("cT (#mum)"); | |
868 | h64->SetTitle("dca (#mum)"); | |
869 | h74->SetTitle("d0_pi (#mum)"); | |
870 | h84->SetTitle("d0_K (#mum)"); | |
871 | h94->SetTitle("d0xd0 (#mum^2)"); | |
872 | h104->SetTitle("cosPointingAngle"); | |
873 | h114->GetXaxis()->SetTitle("phi (rad)"); | |
874 | ||
875 | h04->GetXaxis()->SetTitle("pT_D0 (GeV/c)"); | |
876 | h14->GetXaxis()->SetTitle("rapidity"); | |
877 | h24->GetXaxis()->SetTitle("cosThetaStar"); | |
878 | h34->GetXaxis()->SetTitle("pT_pi (GeV/c)"); | |
879 | h44->GetXaxis()->SetTitle("pT_K (Gev/c)"); | |
880 | h54->GetXaxis()->SetTitle("cT (#mum)"); | |
881 | h64->GetXaxis()->SetTitle("dca (#mum)"); | |
882 | h74->GetXaxis()->SetTitle("d0_pi (#mum)"); | |
883 | h84->GetXaxis()->SetTitle("d0_K (#mum)"); | |
884 | h94->GetXaxis()->SetTitle("d0xd0 (#mum^2)"); | |
885 | h104->GetXaxis()->SetTitle("cosPointingAngle"); | |
886 | h114->GetXaxis()->SetTitle("phi (rad)"); | |
f5ec6c30 | 887 | |
888 | Double_t max0 = h00->GetMaximum(); | |
889 | Double_t max1 = h10->GetMaximum(); | |
890 | Double_t max2 = h20->GetMaximum(); | |
891 | Double_t max3 = h30->GetMaximum(); | |
892 | Double_t max4 = h40->GetMaximum(); | |
893 | Double_t max5 = h50->GetMaximum(); | |
894 | Double_t max6 = h60->GetMaximum(); | |
895 | Double_t max7 = h70->GetMaximum(); | |
896 | Double_t max8 = h80->GetMaximum(); | |
897 | Double_t max9 = h90->GetMaximum(); | |
898 | Double_t max10 = h100->GetMaximum(); | |
e8158e56 | 899 | Double_t max11 = h110->GetMaximum(); |
f5ec6c30 | 900 | |
901 | h00->GetYaxis()->SetRangeUser(0,max0*1.2); | |
902 | h10->GetYaxis()->SetRangeUser(0,max1*1.2); | |
903 | h20->GetYaxis()->SetRangeUser(0,max2*1.2); | |
904 | h30->GetYaxis()->SetRangeUser(0,max3*1.2); | |
905 | h40->GetYaxis()->SetRangeUser(0,max4*1.2); | |
906 | h50->GetYaxis()->SetRangeUser(0,max5*1.2); | |
907 | h60->GetYaxis()->SetRangeUser(0,max6*1.2); | |
908 | h70->GetYaxis()->SetRangeUser(0,max7*1.2); | |
909 | h80->GetYaxis()->SetRangeUser(0,max8*1.2); | |
910 | h90->GetYaxis()->SetRangeUser(0,max9*1.2); | |
911 | h100->GetYaxis()->SetRangeUser(0,max10*1.2); | |
e8158e56 | 912 | h110->GetYaxis()->SetRangeUser(0,max11*1.2); |
f5ec6c30 | 913 | |
914 | h01->GetYaxis()->SetRangeUser(0,max0*1.2); | |
915 | h11->GetYaxis()->SetRangeUser(0,max1*1.2); | |
916 | h21->GetYaxis()->SetRangeUser(0,max2*1.2); | |
917 | h31->GetYaxis()->SetRangeUser(0,max3*1.2); | |
918 | h41->GetYaxis()->SetRangeUser(0,max4*1.2); | |
919 | h51->GetYaxis()->SetRangeUser(0,max5*1.2); | |
920 | h61->GetYaxis()->SetRangeUser(0,max6*1.2); | |
921 | h71->GetYaxis()->SetRangeUser(0,max7*1.2); | |
922 | h81->GetYaxis()->SetRangeUser(0,max8*1.2); | |
923 | h91->GetYaxis()->SetRangeUser(0,max9*1.2); | |
924 | h101->GetYaxis()->SetRangeUser(0,max10*1.2); | |
e8158e56 | 925 | h111->GetYaxis()->SetRangeUser(0,max11*1.2); |
f5ec6c30 | 926 | |
927 | h00->SetMarkerStyle(20); | |
928 | h10->SetMarkerStyle(24); | |
929 | h20->SetMarkerStyle(21); | |
930 | h30->SetMarkerStyle(25); | |
931 | h40->SetMarkerStyle(27); | |
932 | h50->SetMarkerStyle(28); | |
933 | h60->SetMarkerStyle(20); | |
934 | h70->SetMarkerStyle(24); | |
935 | h80->SetMarkerStyle(21); | |
936 | h90->SetMarkerStyle(25); | |
937 | h100->SetMarkerStyle(27); | |
e8158e56 | 938 | h110->SetMarkerStyle(28); |
f5ec6c30 | 939 | |
940 | h00->SetMarkerColor(2); | |
941 | h10->SetMarkerColor(2); | |
942 | h20->SetMarkerColor(2); | |
943 | h30->SetMarkerColor(2); | |
944 | h40->SetMarkerColor(2); | |
945 | h50->SetMarkerColor(2); | |
946 | h60->SetMarkerColor(2); | |
947 | h70->SetMarkerColor(2); | |
948 | h80->SetMarkerColor(2); | |
949 | h90->SetMarkerColor(2); | |
950 | h100->SetMarkerColor(2); | |
e8158e56 | 951 | h110->SetMarkerColor(2); |
f5ec6c30 | 952 | |
953 | h01->SetMarkerStyle(20) ; | |
954 | h11->SetMarkerStyle(24) ; | |
955 | h21->SetMarkerStyle(21) ; | |
956 | h31->SetMarkerStyle(25) ; | |
957 | h41->SetMarkerStyle(27) ; | |
958 | h51->SetMarkerStyle(28) ; | |
959 | h61->SetMarkerStyle(20); | |
960 | h71->SetMarkerStyle(24); | |
961 | h81->SetMarkerStyle(21); | |
962 | h91->SetMarkerStyle(25); | |
963 | h101->SetMarkerStyle(27); | |
e8158e56 | 964 | h111->SetMarkerStyle(28); |
f5ec6c30 | 965 | |
966 | h01->SetMarkerColor(8); | |
967 | h11->SetMarkerColor(8); | |
968 | h21->SetMarkerColor(8); | |
969 | h31->SetMarkerColor(8); | |
970 | h41->SetMarkerColor(8); | |
971 | h51->SetMarkerColor(8); | |
972 | h61->SetMarkerColor(8); | |
973 | h71->SetMarkerColor(8); | |
974 | h81->SetMarkerColor(8); | |
975 | h91->SetMarkerColor(8); | |
976 | h101->SetMarkerColor(8); | |
e8158e56 | 977 | h111->SetMarkerColor(8); |
f5ec6c30 | 978 | |
ae3e319c | 979 | h04->SetMarkerStyle(20) ; |
980 | h14->SetMarkerStyle(24) ; | |
981 | h24->SetMarkerStyle(21) ; | |
982 | h34->SetMarkerStyle(25) ; | |
983 | h44->SetMarkerStyle(27) ; | |
984 | h54->SetMarkerStyle(28) ; | |
985 | h64->SetMarkerStyle(20); | |
986 | h74->SetMarkerStyle(24); | |
987 | h84->SetMarkerStyle(21); | |
988 | h94->SetMarkerStyle(25); | |
989 | h104->SetMarkerStyle(27); | |
990 | h114->SetMarkerStyle(28); | |
991 | ||
992 | h04->SetMarkerColor(4); | |
993 | h14->SetMarkerColor(4); | |
994 | h24->SetMarkerColor(4); | |
995 | h34->SetMarkerColor(4); | |
996 | h44->SetMarkerColor(4); | |
997 | h54->SetMarkerColor(4); | |
998 | h64->SetMarkerColor(4); | |
999 | h74->SetMarkerColor(4); | |
1000 | h84->SetMarkerColor(4); | |
1001 | h94->SetMarkerColor(4); | |
1002 | h104->SetMarkerColor(4); | |
1003 | h114->SetMarkerColor(4); | |
f5ec6c30 | 1004 | |
1005 | gStyle->SetCanvasColor(0); | |
1006 | gStyle->SetFrameFillColor(0); | |
1007 | gStyle->SetTitleFillColor(0); | |
1008 | gStyle->SetStatColor(0); | |
1009 | ||
1010 | // drawing in 2 separate canvas for a matter of clearity | |
1011 | TCanvas * c1 =new TCanvas("c1","pT, rapidiy, cosThetaStar",1100,1600); | |
1012 | c1->Divide(3,3); | |
1013 | ||
1014 | c1->cd(1); | |
1015 | h00->Draw("p"); | |
1016 | c1->cd(1); | |
1017 | c1->cd(2); | |
1018 | h01->Draw("p"); | |
1019 | c1->cd(2); | |
1020 | c1->cd(3); | |
ae3e319c | 1021 | h04->Draw("p"); |
f5ec6c30 | 1022 | c1->cd(3); |
1023 | c1->cd(4); | |
1024 | h10->Draw("p"); | |
1025 | c1->cd(4); | |
1026 | c1->cd(5); | |
1027 | h11->Draw("p"); | |
1028 | c1->cd(5); | |
1029 | c1->cd(6); | |
ae3e319c | 1030 | h14->Draw("p"); |
f5ec6c30 | 1031 | c1->cd(6); |
1032 | c1->cd(7); | |
1033 | h20->Draw("p"); | |
1034 | c1->cd(7); | |
1035 | c1->cd(8); | |
1036 | h21->Draw("p"); | |
1037 | c1->cd(8); | |
1038 | c1->cd(9); | |
ae3e319c | 1039 | h24->Draw("p"); |
f5ec6c30 | 1040 | c1->cd(9); |
1041 | c1->cd(); | |
1042 | ||
1043 | TCanvas * c2 =new TCanvas("c2","pTpi, pTK, cT",1100,1600); | |
1044 | c2->Divide(3,3); | |
1045 | c2->cd(1); | |
1046 | h30->Draw("p"); | |
1047 | c2->cd(1); | |
1048 | c2->cd(2); | |
1049 | h31->Draw("p"); | |
1050 | c2->cd(2); | |
1051 | c2->cd(3); | |
ae3e319c | 1052 | h34->Draw("p"); |
f5ec6c30 | 1053 | c2->cd(3); |
1054 | c2->cd(4); | |
1055 | h40->Draw("p"); | |
1056 | c2->cd(4); | |
1057 | c2->cd(5); | |
1058 | h41->Draw("p"); | |
1059 | c2->cd(5); | |
1060 | c2->cd(6); | |
ae3e319c | 1061 | h44->Draw("p"); |
f5ec6c30 | 1062 | c2->cd(6); |
1063 | c2->cd(7); | |
1064 | h50->Draw("p"); | |
1065 | c2->cd(7); | |
1066 | c2->cd(8); | |
1067 | h51->Draw("p"); | |
1068 | c2->cd(8); | |
1069 | c2->cd(9); | |
ae3e319c | 1070 | h54->Draw("p"); |
f5ec6c30 | 1071 | c2->cd(9); |
1072 | c2->cd(); | |
1073 | ||
1074 | TCanvas * c3 =new TCanvas("c3","dca, d0pi, d0K",1100,1600); | |
1075 | c3->Divide(3,3); | |
1076 | c3->cd(1); | |
1077 | h60->Draw("p"); | |
1078 | c3->cd(1); | |
1079 | c3->cd(2); | |
1080 | h61->Draw("p"); | |
1081 | c3->cd(2); | |
1082 | c3->cd(3); | |
ae3e319c | 1083 | h64->Draw("p"); |
f5ec6c30 | 1084 | c3->cd(3); |
1085 | c3->cd(4); | |
1086 | h70->Draw("p"); | |
1087 | c3->cd(4); | |
1088 | c3->cd(5); | |
1089 | h71->Draw("p"); | |
1090 | c3->cd(5); | |
1091 | c3->cd(6); | |
ae3e319c | 1092 | h74->Draw("p"); |
f5ec6c30 | 1093 | c3->cd(6); |
1094 | c3->cd(7); | |
1095 | h80->Draw("p"); | |
1096 | c3->cd(7); | |
1097 | c3->cd(8); | |
1098 | h81->Draw("p"); | |
1099 | c3->cd(8); | |
1100 | c3->cd(9); | |
ae3e319c | 1101 | h84->Draw("p"); |
f5ec6c30 | 1102 | c3->cd(9); |
1103 | c3->cd(); | |
1104 | ||
e8158e56 | 1105 | TCanvas * c4 =new TCanvas("c4","d0xd0, cosPointingAngle, phi",1100,1600); |
1106 | c4->Divide(3,3); | |
f5ec6c30 | 1107 | c4->cd(1); |
1108 | h90->Draw("p"); | |
1109 | c4->cd(1); | |
1110 | c4->cd(2); | |
1111 | h91->Draw("p"); | |
1112 | c4->cd(2); | |
1113 | c4->cd(3); | |
ae3e319c | 1114 | h94->Draw("p"); |
f5ec6c30 | 1115 | c4->cd(3); |
1116 | c4->cd(4); | |
1117 | h100->Draw("p"); | |
1118 | c4->cd(4); | |
1119 | c4->cd(5); | |
1120 | h101->Draw("p"); | |
1121 | c4->cd(5); | |
1122 | c4->cd(6); | |
ae3e319c | 1123 | h104->Draw("p"); |
f5ec6c30 | 1124 | c4->cd(6); |
e8158e56 | 1125 | c4->cd(7); |
1126 | h110->Draw("p"); | |
1127 | c4->cd(7); | |
1128 | c4->cd(8); | |
1129 | h111->Draw("p"); | |
1130 | c4->cd(8); | |
1131 | c4->cd(9); | |
ae3e319c | 1132 | h114->Draw("p"); |
e8158e56 | 1133 | c4->cd(9); |
f5ec6c30 | 1134 | c4->cd(); |
1135 | ||
a5d92cb4 | 1136 | THnSparseD* hcorr = dynamic_cast<THnSparseD*> (GetOutputData(3)); |
1137 | ||
1138 | TH2D* corr1 =hcorr->Projection(0,2); | |
1139 | TH2D* corr2 = hcorr->Projection(1,3); | |
1140 | ||
1141 | TCanvas * c7 =new TCanvas("c7","",800,400); | |
1142 | c7->Divide(2,1); | |
1143 | c7->cd(1); | |
1144 | corr1->Draw("text"); | |
1145 | c7->cd(2); | |
1146 | corr2->Draw("text"); | |
1147 | ||
1148 | ||
1547ce6a | 1149 | TFile* file_projection = new TFile("CFtaskHFprojection.root","RECREATE"); |
a5d92cb4 | 1150 | |
1151 | corr1->Write(); | |
1152 | corr2->Write(); | |
844d235c | 1153 | h00->Write("pT_D0_step0"); |
1154 | h10->Write("rapidity_step0"); | |
1155 | h20->Write("cosThetaStar_step0"); | |
1156 | h30->Write("pT_pi_step0"); | |
1157 | h40->Write("pT_K_step0"); | |
1158 | h50->Write("cT_step0"); | |
1159 | h60->Write("dca_step0"); | |
1160 | h70->Write("d0_pi_step0"); | |
1161 | h80->Write("d0_K_step0"); | |
1162 | h90->Write("d0xd0_step0"); | |
1163 | h100->Write("cosPointingAngle_step0"); | |
e8158e56 | 1164 | h110->Write("phi_step0"); |
844d235c | 1165 | |
1166 | h01->Write("pT_D0_step1"); | |
1167 | h11->Write("rapidity_step1"); | |
1168 | h21->Write("cosThetaStar_step1"); | |
1169 | h31->Write("pT_pi_step1"); | |
1170 | h41->Write("pT_K_step1"); | |
1171 | h51->Write("cT_step1"); | |
1172 | h61->Write("dca_step1"); | |
1173 | h71->Write("d0_pi_step1"); | |
1174 | h81->Write("d0_K_step1"); | |
1175 | h91->Write("d0xd0_step1"); | |
1176 | h101->Write("cosPointingAngle_step1"); | |
e8158e56 | 1177 | h111->Write("phi_step1"); |
844d235c | 1178 | |
ae3e319c | 1179 | h04->Write("pT_D0_step2"); |
1180 | h14->Write("rapidity_step2"); | |
1181 | h24->Write("cosThetaStar_step2"); | |
1182 | h34->Write("pT_pi_step2"); | |
1183 | h44->Write("pT_K_step2"); | |
1184 | h54->Write("cT_step2"); | |
1185 | h64->Write("dca_step2"); | |
1186 | h74->Write("d0_pi_step2"); | |
844d235c | 1187 | h80->Write("d0_K_step2"); |
ae3e319c | 1188 | h94->Write("d0xd0_step2"); |
1189 | h104->Write("cosPointingAngle_step2"); | |
1190 | h114->Write("phi_step2"); | |
844d235c | 1191 | |
1192 | file_projection->Close(); | |
1193 | ||
a5d92cb4 | 1194 | |
1195 | ||
f5ec6c30 | 1196 | /* |
1197 | c1->SaveAs("Plots/pT_rapidity_cosThetaStar.eps"); | |
1198 | c2->SaveAs("Plots/pTpi_pTK_cT.eps"); | |
1199 | c3->SaveAs("Plots/dca_d0pi_d0TK.eps"); | |
1200 | c4->SaveAs("Plots/d0xd0_cosPointingAngle.eps"); | |
1201 | ||
1202 | c1->SaveAs("Plots/pT_rapidity_cosThetaStar.gif"); | |
1203 | c2->SaveAs("Plots/pTpi_pTK_cT.gif"); | |
1204 | c3->SaveAs("Plots/dca_d0pi_d0TK.gif"); | |
1205 | c4->SaveAs("Plots/d0xd0_cosPointingAngle.gif"); | |
a8b9a95a | 1206 | */ |
f5ec6c30 | 1207 | } |
1208 | ||
1209 | //___________________________________________________________________________ | |
1210 | void AliCFHeavyFlavourTaskMultiVarMultiStep::UserCreateOutputObjects() { | |
1211 | //HERE ONE CAN CREATE OUTPUT OBJECTS, IN PARTICULAR IF THE OBJECT PARAMETERS DON'T NEED | |
1212 | //TO BE SET BEFORE THE EXECUTION OF THE TASK | |
1213 | // | |
1214 | Info("UserCreateOutputObjects","CreateOutputObjects of task %s\n", GetName()); | |
1215 | ||
1216 | //slot #1 | |
1217 | OpenFile(1); | |
a8b9a95a | 1218 | fHistEventsProcessed = new TH1I("CFHFchist0","",1,0,1) ; |
f5ec6c30 | 1219 | } |
1220 | ||
1221 | //___________________________________________________________________________ | |
1222 | Double_t AliCFHeavyFlavourTaskMultiVarMultiStep::CosThetaStar(AliAODMCParticle* mcPart, AliAODMCParticle* mcPartDaughter0, AliAODMCParticle* mcPartDaughter1) const { | |
1223 | ||
1224 | // | |
1225 | // to calculate cos(ThetaStar) for generated particle | |
1226 | // using the K, since mcPartDaughter0 and mcPartDaughter1 always correspond to K and pi respectively | |
1227 | // (see where the function is called) | |
1228 | // | |
1229 | ||
1230 | Int_t pdgvtx = mcPart->GetPdgCode(); | |
1231 | /* if (pdgvtx > 0) { // setting as the first daughter always the kaon, to be used to calculate cos(ThetaStar) | |
1232 | Int_t pdgprong0 = TMath::Abs(mcPartDaughter0->GetPdgCode()); | |
1233 | Int_t pdgprong1 = TMath::Abs(mcPartDaughter1->GetPdgCode()); | |
1234 | AliInfo(Form("D0, with pdgprong0 = %d, pdgprong1 = %d",pdgprong0,pdgprong1)); | |
1235 | AliDebug(2,"This is a D0"); | |
1236 | AliAODMCParticle* mcPartdummy = mcPartDaughter0; | |
1237 | mcPartDaughter0 = mcPartDaughter1; | |
1238 | mcPartDaughter1 = mcPartdummy; | |
1239 | } | |
1240 | else{ | |
1241 | AliInfo("D0bar"); | |
1242 | } | |
1243 | */ | |
1244 | Int_t pdgprong0 = TMath::Abs(mcPartDaughter0->GetPdgCode()); | |
1245 | Int_t pdgprong1 = TMath::Abs(mcPartDaughter1->GetPdgCode()); | |
1246 | if (pdgvtx > 0) { // setting as the first daughter always the kaon, to be used to calculate cos(ThetaStar) | |
1247 | AliDebug(2,"D0"); | |
1248 | } | |
1249 | else{ | |
1250 | AliDebug(2,"D0bar"); | |
1251 | } | |
1252 | if (pdgprong0 == 211){ | |
1253 | AliDebug(2,Form("pdgprong0 = %d, pdgprong1 = %d, switching...",pdgprong0,pdgprong1)); | |
1254 | AliAODMCParticle* mcPartdummy = mcPartDaughter0; | |
1255 | mcPartDaughter0 = mcPartDaughter1; | |
1256 | mcPartDaughter1 = mcPartdummy; | |
1257 | pdgprong0 = TMath::Abs(mcPartDaughter0->GetPdgCode()); | |
1258 | pdgprong1 = TMath::Abs(mcPartDaughter1->GetPdgCode()); | |
1259 | } | |
1260 | ||
1261 | AliDebug(2,Form("After checking, pdgprong0 = %d, pdgprong1 = %d",pdgprong0,pdgprong1)); | |
1262 | Double_t massvtx = TDatabasePDG::Instance()->GetParticle(TMath::Abs(pdgvtx))->Mass(); | |
1263 | Double_t massp[2]; | |
1264 | massp[0] = TDatabasePDG::Instance()->GetParticle(pdgprong0)->Mass(); | |
1265 | massp[1] = TDatabasePDG::Instance()->GetParticle(pdgprong1)->Mass(); | |
1266 | ||
1267 | Double_t pStar = TMath::Sqrt(TMath::Power(massvtx*massvtx-massp[0]*massp[0]-massp[1]*massp[1],2.)-4.*massp[0]*massp[0]*massp[1]*massp[1])/(2.*massvtx); | |
1268 | ||
1269 | Double_t px = mcPartDaughter0->Px()+mcPartDaughter1->Px(); | |
1270 | Double_t py = mcPartDaughter0->Py()+mcPartDaughter1->Py(); | |
1271 | Double_t pz = mcPartDaughter0->Pz()+mcPartDaughter1->Pz(); | |
1272 | Double_t p = TMath::Sqrt(px*px+py*py+pz*pz); | |
1273 | Double_t e = TMath::Sqrt(massvtx*massvtx+p*p); | |
1274 | Double_t beta = p/e; | |
1275 | Double_t gamma = e/massvtx; | |
1276 | TVector3 mom(mcPartDaughter0->Px(),mcPartDaughter0->Py(),mcPartDaughter0->Pz()); | |
1277 | TVector3 momTot(mcPartDaughter0->Px()+mcPartDaughter1->Px(),mcPartDaughter0->Py()+mcPartDaughter1->Py(),mcPartDaughter0->Pz()+mcPartDaughter1->Pz()); | |
1278 | ||
1279 | Double_t qlprong = mom.Dot(momTot)/momTot.Mag(); // analog to AliAODRecoDecay::QlProng(0) | |
1280 | ||
1281 | AliDebug(2,Form("pStar = %f, beta = %f, gamma = %f, qlprong = %f, massp[0] = %f", pStar, beta, gamma, qlprong, massp[0])); | |
1282 | Double_t cts = (qlprong/gamma-beta*TMath::Sqrt(pStar*pStar+massp[0]*massp[0]))/pStar; | |
1283 | AliDebug(2,Form("cts = %f", cts)); | |
1284 | return cts; | |
1285 | } | |
1286 | //___________________________________________________________________________ | |
1287 | Double_t AliCFHeavyFlavourTaskMultiVarMultiStep::CT(AliAODMCParticle* mcPart, AliAODMCParticle* mcPartDaughter0, AliAODMCParticle* mcPartDaughter1) const { | |
1288 | ||
1289 | // | |
1290 | // to calculate cT for generated particle | |
1291 | // | |
1292 | ||
1293 | Double_t xmcPart[3] = {0,0,0}; | |
1294 | Double_t xdaughter0[3] = {0,0,0}; | |
1295 | Double_t xdaughter1[3] = {0,0,0}; | |
1296 | mcPart->XvYvZv(xmcPart); // cm | |
1297 | mcPartDaughter0->XvYvZv(xdaughter0); // cm | |
1298 | mcPartDaughter1->XvYvZv(xdaughter1); //cm | |
1299 | Double_t prodVtxD0 = TMath::Sqrt(xmcPart[0]*xmcPart[0]+ | |
1300 | xmcPart[1]*xmcPart[1]+ | |
1301 | xmcPart[2]*xmcPart[2]); | |
1302 | Double_t prodVtxDaughter0 = TMath::Sqrt(xdaughter0[0]*xdaughter0[0]+ | |
1303 | xdaughter0[1]*xdaughter0[1]+ | |
1304 | xdaughter0[2]*xdaughter0[2]); | |
1305 | Double_t prodVtxDaughter1 = TMath::Sqrt(xdaughter1[0]*xdaughter1[0]+ | |
1306 | xdaughter1[1]*xdaughter1[1]+ | |
1307 | xdaughter1[2]*xdaughter1[2]); | |
1308 | ||
1309 | AliDebug(2, Form("D0: x = %f, y = %f, z = %f, production vertex distance = %f (cm), %f (micron)", xmcPart[0], xmcPart[1], xmcPart[2], prodVtxD0, prodVtxD0*1.E4)); | |
1310 | AliDebug(2, Form("Daughter0: x = %f, y = %f, z = %f, production vertex distance = %f (cm) %f (micron)", xdaughter0[0], xdaughter0[1], xdaughter0[2], prodVtxDaughter0, prodVtxDaughter0*1E4)); | |
1311 | AliDebug(2, Form("Daughter1: x = %f, y = %f, z = %f, production vertex distance = %f (cm) %f (micron)", xdaughter1[0], xdaughter1[1], xdaughter1[2], prodVtxDaughter1, prodVtxDaughter1*1.E4)); | |
1312 | ||
1313 | Double_t cT0 = TMath::Sqrt((xdaughter0[0]-xmcPart[0])*(xdaughter0[0]-xmcPart[0])+ | |
1314 | (xdaughter0[1]-xmcPart[1])*(xdaughter0[1]-xmcPart[1])+ | |
1315 | (xdaughter0[2]-xmcPart[2])*(xdaughter0[2]-xmcPart[2])); | |
1316 | ||
1317 | Double_t cT1 = TMath::Sqrt((xdaughter1[0]-xmcPart[0])*(xdaughter1[0]-xmcPart[0])+ | |
1318 | (xdaughter1[1]-xmcPart[1])*(xdaughter1[1]-xmcPart[1])+ | |
1319 | (xdaughter1[2]-xmcPart[2])*(xdaughter1[2]-xmcPart[2])); | |
1320 | ||
e8158e56 | 1321 | if ((cT0 - cT1)>1E-5) { |
1322 | AliWarning(Form("cT from daughter 0 (%f) different from cT from daughter 1 (%f)! Using cT from daughter 0, but PLEASE, CHECK....",cT0,cT1)); | |
f5ec6c30 | 1323 | } |
1324 | ||
1325 | // calculating cT from cT0 | |
1326 | ||
1327 | Double_t mass = TDatabasePDG::Instance()->GetParticle(mcPart->GetPdgCode())->Mass(); // mcPart->GetPdgCode() should return +/- 421 for the D0/D0bar | |
1328 | Double_t p = mcPart-> P(); | |
1329 | Double_t cT = cT0*mass/p; | |
1330 | AliDebug(2, Form("cT from daughter 0 = %f (micron)", cT0*1E4)); | |
1331 | AliDebug(2, Form("cT from daughter 1 = %f (micron)", cT1*1E4)); | |
1332 | AliDebug(2, Form("cT (with mass = %f and p = %f) = %f (micron)", mass, p, cT*1E4)); | |
1333 | return cT; | |
1334 | } | |
1335 | //________________________________________________________________________________ | |
1336 | Bool_t AliCFHeavyFlavourTaskMultiVarMultiStep::GetGeneratedValuesFromMCParticle(AliAODMCParticle* mcPart, TClonesArray* mcArray, Double_t* vectorMC) const { | |
1337 | ||
1338 | // | |
1339 | // collecting all the necessary info (pt, y, cosThetaStar, ptPi, ptKa, cT) from MC particle | |
1340 | // | |
1341 | ||
1342 | Bool_t isOk = kFALSE; | |
1343 | ||
1344 | // check whether the D0 decays in pi+K | |
1345 | // to be added!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! | |
1346 | // could use a cut in the CF, but not clear how to define a TDecayChannel | |
1347 | // implemented for the time being as a cut on the number of daughters - see later when | |
1348 | // getting the daughters | |
1349 | ||
1350 | // getting the daughters | |
1351 | Int_t daughter0 = mcPart->GetDaughter(0); | |
1352 | Int_t daughter1 = mcPart->GetDaughter(1); | |
1353 | AliDebug(2, Form("daughter0 = %d and daughter1 = %d",daughter0,daughter1)); | |
1354 | if (daughter0 == 0 || daughter1 == 0) { | |
1355 | AliDebug(2, "Error! the D0 MC doesn't have correct daughters!!"); | |
1356 | return isOk; | |
1357 | } | |
421623bd | 1358 | if (TMath::Abs(daughter1 - daughter0) != 1) { |
f5ec6c30 | 1359 | AliDebug(2, "The D0 MC doesn't come from a 2-prong decay, skipping!!"); |
1360 | return isOk; | |
1361 | } | |
1362 | AliAODMCParticle* mcPartDaughter0 = dynamic_cast<AliAODMCParticle*>(mcArray->At(daughter0)); | |
1363 | AliAODMCParticle* mcPartDaughter1 = dynamic_cast<AliAODMCParticle*>(mcArray->At(daughter1)); | |
1364 | if (!mcPartDaughter0 || !mcPartDaughter1) { | |
1365 | AliWarning("At least one Daughter Particle not found in tree, skipping"); | |
1366 | return isOk; | |
1367 | } | |
2bcc508a | 1368 | if (!(TMath::Abs(mcPartDaughter0->GetPdgCode())==321 && |
1369 | TMath::Abs(mcPartDaughter1->GetPdgCode())==211) && | |
1370 | !(TMath::Abs(mcPartDaughter0->GetPdgCode())==211 && | |
1371 | TMath::Abs(mcPartDaughter1->GetPdgCode())==321)) { | |
1372 | AliDebug(2, "The D0 MC doesn't come from a Kpi decay, skipping!!"); | |
1373 | return isOk; | |
1374 | } | |
1375 | ||
f5ec6c30 | 1376 | Double_t vtx1[3] = {0,0,0}; // primary vertex |
1377 | Double_t vtx2daughter0[3] = {0,0,0}; // secondary vertex from daughter 0 | |
1378 | Double_t vtx2daughter1[3] = {0,0,0}; // secondary vertex from daughter 1 | |
1379 | mcPart->XvYvZv(vtx1); // cm | |
1380 | // getting vertex from daughters | |
1381 | mcPartDaughter0->XvYvZv(vtx2daughter0); // cm | |
1382 | mcPartDaughter1->XvYvZv(vtx2daughter1); //cm | |
1383 | if (vtx2daughter0[0] != vtx2daughter1[0] && vtx2daughter0[1] != vtx2daughter1[1] && vtx2daughter0[2] != vtx2daughter1[2]) { | |
1384 | AliError("Daughters have different secondary vertex, skipping the track"); | |
1385 | return isOk; | |
1386 | } | |
1387 | Int_t nprongs = 2; | |
1388 | Short_t charge = 0; | |
1389 | // always instantiate the AliAODRecoDecay with the positive daughter first, the negative second | |
1390 | AliAODMCParticle* positiveDaugh = mcPartDaughter0; | |
1391 | AliAODMCParticle* negativeDaugh = mcPartDaughter1; | |
1392 | if (mcPartDaughter0->GetPdgCode()<0 && mcPartDaughter1->GetPdgCode()>0){ | |
1393 | // inverting in case the positive daughter is the second one | |
1394 | positiveDaugh = mcPartDaughter1; | |
1395 | negativeDaugh = mcPartDaughter0; | |
1396 | } | |
1397 | // getting the momentum from the daughters | |
1398 | Double_t px[2] = {positiveDaugh->Px(), negativeDaugh->Px()}; | |
1399 | Double_t py[2] = {positiveDaugh->Py(), negativeDaugh->Py()}; | |
1400 | Double_t pz[2] = {positiveDaugh->Pz(), negativeDaugh->Pz()}; | |
1401 | ||
1402 | Double_t d0[2] = {0.,0.}; | |
1403 | ||
1404 | AliAODRecoDecayHF* decay = new AliAODRecoDecayHF(vtx1,vtx2daughter0,nprongs,charge,px,py,pz,d0); | |
1405 | ||
1406 | Double_t cosThetaStar = 0.; | |
1407 | Double_t cosThetaStarD0 = 0.; | |
1408 | Double_t cosThetaStarD0bar = 0.; | |
1409 | cosThetaStarD0 = decay->CosThetaStar(1,421,211,321); | |
1410 | cosThetaStarD0bar = decay->CosThetaStar(0,421,321,211); | |
1411 | if (mcPart->GetPdgCode() == 421){ // D0 | |
1412 | AliDebug(3, Form("D0, with pdgprong0 = %d, pdgprong1 = %d",mcPartDaughter0->GetPdgCode(),mcPartDaughter1->GetPdgCode())); | |
1413 | cosThetaStar = cosThetaStarD0; | |
1414 | } | |
1415 | else if (mcPart->GetPdgCode() == -421){ // D0bar{ | |
1416 | AliDebug(3, Form("D0bar, with pdgprong0 = %d, pdgprong1 = %d",mcPartDaughter0->GetPdgCode(),mcPartDaughter1->GetPdgCode())); | |
1417 | cosThetaStar = cosThetaStarD0bar; | |
1418 | } | |
1419 | else{ | |
1420 | AliWarning("There are problems!! particle was expected to be either a D0 or a D0bar, check..."); | |
1421 | return vectorMC; | |
1422 | } | |
1423 | if (cosThetaStar < -1 || cosThetaStar > 1) { | |
1424 | AliWarning("Invalid value for cosine Theta star, returning"); | |
1425 | return isOk; | |
1426 | } | |
1427 | ||
1428 | // calculate cos(Theta*) according to the method implemented herein | |
1429 | ||
1430 | Double_t cts = 9999.; | |
1431 | cts = CosThetaStar(mcPart, mcPartDaughter0, mcPartDaughter1); | |
1432 | if (cts < -1 || cts > 1) { | |
1433 | AliWarning("Invalid value for cosine Theta star from AliCFHeavyFlavourTaskMultiVarMultiStep method"); | |
1434 | } | |
1435 | if (TMath::Abs(cts - cosThetaStar)>0.001) { | |
1436 | AliError(Form("cosThetaStar automatically calculated different from that manually calculated!!! cosThetaStar = %f, cosThetaStar = %f", cosThetaStar,cts)); | |
1437 | } | |
1438 | ||
1439 | Double_t cT = decay->Ct(421); | |
1440 | ||
1441 | // calculate cT from the method implemented herein | |
1442 | Double_t cT1 = 0.; | |
1443 | cT1 = CT(mcPart, mcPartDaughter0, mcPartDaughter1); | |
1444 | ||
1445 | if (TMath::Abs(cT1 - cT)>0.001) { | |
1446 | AliError(Form("cT automatically calculated different from that manually calculated!!! cT = %f, cT1 = %f",cT,cT1)); | |
1447 | } | |
1448 | ||
1449 | // get the pT of the daughters | |
1450 | ||
1451 | Double_t pTpi = 0.; | |
1452 | Double_t pTK = 0.; | |
1453 | ||
1454 | if (TMath::Abs(mcPartDaughter0->GetPdgCode()) == 211) { | |
1455 | pTpi = mcPartDaughter0->Pt(); | |
1456 | pTK = mcPartDaughter1->Pt(); | |
1457 | } | |
1458 | else { | |
1459 | pTpi = mcPartDaughter1->Pt(); | |
1460 | pTK = mcPartDaughter0->Pt(); | |
1461 | } | |
1462 | ||
1463 | vectorMC[0] = mcPart->Pt(); | |
1464 | vectorMC[1] = mcPart->Y() ; | |
1465 | vectorMC[2] = cosThetaStar ; | |
1466 | vectorMC[3] = pTpi ; | |
1467 | vectorMC[4] = pTK ; | |
1468 | vectorMC[5] = cT*1.E4 ; // in micron | |
e8158e56 | 1469 | vectorMC[6] = mcPart->Phi() ; |
f5ec6c30 | 1470 | isOk = kTRUE; |
1471 | return isOk; | |
1472 | } | |
e8158e56 | 1473 | //_________________________________________________________________________________________________ |
1474 | Int_t AliCFHeavyFlavourTaskMultiVarMultiStep::CheckOrigin(AliAODMCParticle* mcPart, TClonesArray* mcArray)const{ | |
1475 | ||
1476 | // | |
1477 | // checking whether the very mother of the D0 is a charm or a bottom quark | |
1478 | // | |
1479 | ||
1480 | Int_t pdgGranma = 0; | |
1481 | Int_t mother = 0; | |
1482 | mother = mcPart->GetMother(); | |
1483 | Int_t istep = 0; | |
1484 | while (mother >0 ){ | |
1485 | istep++; | |
1486 | AliDebug(2,Form("mother at step %d = %d", istep, mother)); | |
1487 | AliAODMCParticle* mcGranma = dynamic_cast<AliAODMCParticle*>(mcArray->At(mother)); | |
1488 | pdgGranma = mcGranma->GetPdgCode(); | |
1489 | AliDebug(2,Form("Pdg mother at step %d = %d", istep, pdgGranma)); | |
1490 | Int_t abspdgGranma = TMath::Abs(pdgGranma); | |
1491 | if ((abspdgGranma > 500 && abspdgGranma < 600) || (abspdgGranma > 5000 && abspdgGranma < 6000)) { | |
1492 | break; | |
1493 | } | |
1494 | mother = mcGranma->GetMother(); | |
1495 | } | |
1496 | return pdgGranma; | |
1497 | } | |
f5ec6c30 | 1498 |