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650b3ced | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-2010, 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 | ||
27de2dfb | 16 | /* $Id$ */ |
17 | ||
650b3ced | 18 | ///////////////////////////////////////////////////////////// |
19 | // | |
20 | // Class for cuts on AOD reconstructed D0->Kpi | |
21 | // | |
22 | // Author: A.Dainese, andrea.dainese@pd.infn.it | |
23 | ///////////////////////////////////////////////////////////// | |
24 | ||
25 | #include <TDatabasePDG.h> | |
26 | #include <Riostream.h> | |
27 | ||
28 | #include "AliRDHFCutsD0toKpi.h" | |
29 | #include "AliAODRecoDecayHF2Prong.h" | |
30 | #include "AliAODTrack.h" | |
31 | #include "AliESDtrack.h" | |
937e1290 | 32 | #include "AliAODPid.h" |
33 | #include "AliTPCPIDResponse.h" | |
34 | #include "AliAODVertex.h" | |
5f25117b | 35 | #include "AliKFVertex.h" |
36 | #include "AliKFParticle.h" | |
650b3ced | 37 | |
38 | ClassImp(AliRDHFCutsD0toKpi) | |
39 | ||
40 | //-------------------------------------------------------------------------- | |
a9b75906 | 41 | AliRDHFCutsD0toKpi::AliRDHFCutsD0toKpi(const char* name) : |
937e1290 | 42 | AliRDHFCuts(name), |
29068278 | 43 | fUseSpecialCuts(kTRUE), |
08ea5c32 | 44 | fLowPt(kTRUE), |
d8e690c9 | 45 | fDefaultPID(kFALSE), |
39827ef5 | 46 | fUseKF(kFALSE), |
47 | fPtLowPID(2.) | |
650b3ced | 48 | { |
49 | // | |
50 | // Default Constructor | |
51 | // | |
29068278 | 52 | Int_t nvars=11; |
650b3ced | 53 | SetNVars(nvars); |
29068278 | 54 | TString varNames[11]={"inv. mass [GeV]", |
55 | "dca [cm]", | |
56 | "cosThetaStar", | |
57 | "pTK [GeV/c]", | |
58 | "pTPi [GeV/c]", | |
59 | "d0K [cm]", | |
60 | "d0Pi [cm]", | |
61 | "d0d0 [cm^2]", | |
62 | "cosThetaPoint", | |
63 | "|cosThetaPointXY|", | |
64 | "NormDecayLenghtXY"}; | |
65 | Bool_t isUpperCut[11]={kTRUE, | |
66 | kTRUE, | |
67 | kTRUE, | |
68 | kFALSE, | |
69 | kFALSE, | |
70 | kTRUE, | |
71 | kTRUE, | |
72 | kTRUE, | |
73 | kFALSE, | |
74 | kFALSE, | |
75 | kFALSE}; | |
650b3ced | 76 | SetVarNames(nvars,varNames,isUpperCut); |
29068278 | 77 | Bool_t forOpt[11]={kFALSE, |
78 | kTRUE, | |
79 | kTRUE, | |
80 | kFALSE, | |
81 | kFALSE, | |
82 | kFALSE, | |
83 | kFALSE, | |
84 | kTRUE, | |
85 | kTRUE, | |
86 | kFALSE, | |
87 | kFALSE}; | |
650b3ced | 88 | SetVarsForOpt(4,forOpt); |
89 | Float_t limits[2]={0,999999999.}; | |
90 | SetPtBins(2,limits); | |
937e1290 | 91 | |
650b3ced | 92 | } |
93 | //-------------------------------------------------------------------------- | |
94 | AliRDHFCutsD0toKpi::AliRDHFCutsD0toKpi(const AliRDHFCutsD0toKpi &source) : | |
08ea5c32 | 95 | AliRDHFCuts(source), |
96 | fUseSpecialCuts(source.fUseSpecialCuts), | |
97 | fLowPt(source.fLowPt), | |
5f25117b | 98 | fDefaultPID(source.fDefaultPID), |
39827ef5 | 99 | fUseKF(source.fUseKF), |
100 | fPtLowPID(source.fPtLowPID) | |
650b3ced | 101 | { |
102 | // | |
103 | // Copy constructor | |
104 | // | |
105 | ||
106 | } | |
107 | //-------------------------------------------------------------------------- | |
108 | AliRDHFCutsD0toKpi &AliRDHFCutsD0toKpi::operator=(const AliRDHFCutsD0toKpi &source) | |
109 | { | |
110 | // | |
111 | // assignment operator | |
112 | // | |
113 | if(&source == this) return *this; | |
114 | ||
08ea5c32 | 115 | AliRDHFCuts::operator=(source); |
937e1290 | 116 | fUseSpecialCuts=source.fUseSpecialCuts; |
08ea5c32 | 117 | fLowPt=source.fLowPt; |
118 | fDefaultPID=source.fDefaultPID; | |
39827ef5 | 119 | fPtLowPID=source.fPtLowPID; |
650b3ced | 120 | |
121 | return *this; | |
122 | } | |
123 | ||
124 | ||
125 | //--------------------------------------------------------------------------- | |
a6003e0a | 126 | void AliRDHFCutsD0toKpi::GetCutVarsForOpt(AliAODRecoDecayHF *d,Float_t *vars,Int_t nvars,Int_t *pdgdaughters,AliAODEvent *aod) { |
650b3ced | 127 | // |
128 | // Fills in vars the values of the variables | |
129 | // | |
130 | ||
650b3ced | 131 | if(nvars!=fnVarsForOpt) { |
132 | printf("AliRDHFCutsD0toKpi::GetCutsVarsForOpt: wrong number of variables\n"); | |
133 | return; | |
134 | } | |
135 | ||
136 | AliAODRecoDecayHF2Prong *dd = (AliAODRecoDecayHF2Prong*)d; | |
650b3ced | 137 | |
a6003e0a | 138 | //recalculate vertex w/o daughters |
139 | Bool_t cleanvtx=kFALSE; | |
140 | AliAODVertex *origownvtx=0x0; | |
141 | if(fRemoveDaughtersFromPrimary) { | |
142 | if(dd->GetOwnPrimaryVtx()) origownvtx=new AliAODVertex(*dd->GetOwnPrimaryVtx()); | |
143 | cleanvtx=kTRUE; | |
144 | if(!RecalcOwnPrimaryVtx(dd,aod)) { | |
145 | CleanOwnPrimaryVtx(dd,aod,origownvtx); | |
146 | cleanvtx=kFALSE; | |
147 | } | |
148 | } | |
149 | ||
650b3ced | 150 | Int_t iter=-1; |
151 | if(fVarsForOpt[0]){ | |
152 | iter++; | |
153 | if(TMath::Abs(pdgdaughters[0])==211) { | |
154 | vars[iter]=dd->InvMassD0(); | |
155 | } else { | |
156 | vars[iter]=dd->InvMassD0bar(); | |
157 | } | |
158 | } | |
159 | if(fVarsForOpt[1]){ | |
160 | iter++; | |
161 | vars[iter]=dd->GetDCA(); | |
162 | } | |
163 | if(fVarsForOpt[2]){ | |
164 | iter++; | |
165 | if(TMath::Abs(pdgdaughters[0])==211) { | |
166 | vars[iter] = dd->CosThetaStarD0(); | |
167 | } else { | |
168 | vars[iter] = dd->CosThetaStarD0bar(); | |
169 | } | |
170 | } | |
171 | if(fVarsForOpt[3]){ | |
172 | iter++; | |
173 | if(TMath::Abs(pdgdaughters[0])==321) { | |
174 | vars[iter]=dd->PtProng(0); | |
175 | } | |
176 | else{ | |
177 | vars[iter]=dd->PtProng(1); | |
178 | } | |
179 | } | |
180 | if(fVarsForOpt[4]){ | |
181 | iter++; | |
182 | if(TMath::Abs(pdgdaughters[0])==211) { | |
183 | vars[iter]=dd->PtProng(0); | |
184 | } | |
185 | else{ | |
186 | vars[iter]=dd->PtProng(1); | |
187 | } | |
188 | } | |
189 | if(fVarsForOpt[5]){ | |
190 | iter++; | |
191 | if(TMath::Abs(pdgdaughters[0])==321) { | |
192 | vars[iter]=dd->Getd0Prong(0); | |
193 | } | |
194 | else{ | |
195 | vars[iter]=dd->Getd0Prong(1); | |
196 | } | |
197 | } | |
198 | if(fVarsForOpt[6]){ | |
199 | iter++; | |
200 | if(TMath::Abs(pdgdaughters[0])==211) { | |
201 | vars[iter]=dd->Getd0Prong(0); | |
202 | } | |
203 | else{ | |
204 | vars[iter]=dd->Getd0Prong(1); | |
205 | } | |
206 | } | |
207 | if(fVarsForOpt[7]){ | |
208 | iter++; | |
209 | vars[iter]= dd->Prodd0d0(); | |
210 | } | |
211 | if(fVarsForOpt[8]){ | |
212 | iter++; | |
213 | vars[iter]=dd->CosPointingAngle(); | |
214 | } | |
215 | ||
29068278 | 216 | if(fVarsForOpt[9]){ |
217 | iter++; | |
218 | vars[iter]=TMath::Abs(dd->CosPointingAngleXY()); | |
219 | } | |
220 | ||
221 | if(fVarsForOpt[10]){ | |
222 | iter++; | |
223 | vars[iter]=(dd->NormalizedDecayLengthXY()*(dd->P()/dd->Pt())); | |
224 | } | |
a6003e0a | 225 | |
226 | if(cleanvtx)CleanOwnPrimaryVtx(dd,aod,origownvtx); | |
227 | ||
650b3ced | 228 | return; |
229 | } | |
230 | //--------------------------------------------------------------------------- | |
937e1290 | 231 | Int_t AliRDHFCutsD0toKpi::IsSelected(TObject* obj,Int_t selectionLevel,AliAODEvent* aod) { |
650b3ced | 232 | // |
233 | // Apply selection | |
234 | // | |
47aa3d55 | 235 | |
236 | ||
d7688946 | 237 | fIsSelectedCuts=0; |
238 | fIsSelectedPID=0; | |
239 | ||
650b3ced | 240 | if(!fCutsRD){ |
241 | cout<<"Cut matrice not inizialized. Exit..."<<endl; | |
3cbc09cd | 242 | return 0; |
650b3ced | 243 | } |
244 | //PrintAll(); | |
3cbc09cd | 245 | AliAODRecoDecayHF2Prong* d=(AliAODRecoDecayHF2Prong*)obj; |
650b3ced | 246 | |
650b3ced | 247 | if(!d){ |
248 | cout<<"AliAODRecoDecayHF2Prong null"<<endl; | |
249 | return 0; | |
250 | } | |
251 | ||
5e938293 | 252 | if(fKeepSignalMC) if(IsSignalMC(d,aod,421)) return 3; |
253 | ||
47aa3d55 | 254 | Double_t ptD=d->Pt(); |
255 | if(ptD<fMinPtCand) return 0; | |
256 | if(ptD>fMaxPtCand) return 0; | |
937e1290 | 257 | |
c96634a2 | 258 | // returnvalue: 0 not sel, 1 only D0, 2 only D0bar, 3 both |
259 | Int_t returnvaluePID=3; | |
260 | Int_t returnvalueCuts=3; | |
c96634a2 | 261 | |
650b3ced | 262 | // selection on candidate |
263 | if(selectionLevel==AliRDHFCuts::kAll || | |
264 | selectionLevel==AliRDHFCuts::kCandidate) { | |
937e1290 | 265 | |
d7688946 | 266 | if(!fUseKF) { |
5f25117b | 267 | |
268 | //recalculate vertex w/o daughters | |
269 | AliAODVertex *origownvtx=0x0; | |
748e77de | 270 | if(fRemoveDaughtersFromPrimary && !fUseMCVertex) { |
793fdbec | 271 | if(d->GetOwnPrimaryVtx()) origownvtx=new AliAODVertex(*d->GetOwnPrimaryVtx()); |
272 | if(!RecalcOwnPrimaryVtx(d,aod)) { | |
273 | CleanOwnPrimaryVtx(d,aod,origownvtx); | |
274 | return 0; | |
275 | } | |
5f25117b | 276 | } |
87baf03d | 277 | |
70841bf2 | 278 | if(fUseMCVertex) { |
793fdbec | 279 | if(d->GetOwnPrimaryVtx()) origownvtx=new AliAODVertex(*d->GetOwnPrimaryVtx()); |
280 | if(!SetMCPrimaryVtx(d,aod)) { | |
281 | CleanOwnPrimaryVtx(d,aod,origownvtx); | |
282 | return 0; | |
283 | } | |
70841bf2 | 284 | } |
5f25117b | 285 | |
5f25117b | 286 | Double_t pt=d->Pt(); |
287 | ||
288 | Int_t okD0=0,okD0bar=0; | |
289 | ||
290 | Int_t ptbin=PtBin(pt); | |
291 | if (ptbin==-1) { | |
793fdbec | 292 | CleanOwnPrimaryVtx(d,aod,origownvtx); |
937e1290 | 293 | return 0; |
294 | } | |
d7688946 | 295 | |
5f25117b | 296 | Double_t mD0,mD0bar,ctsD0,ctsD0bar; |
297 | okD0=1; okD0bar=1; | |
298 | ||
299 | Double_t mD0PDG = TDatabasePDG::Instance()->GetParticle(421)->Mass(); | |
d7688946 | 300 | |
301 | d->InvMassD0(mD0,mD0bar); | |
302 | if(TMath::Abs(mD0-mD0PDG) > fCutsRD[GetGlobalIndex(0,ptbin)]) okD0 = 0; | |
303 | if(TMath::Abs(mD0bar-mD0PDG) > fCutsRD[GetGlobalIndex(0,ptbin)]) okD0bar = 0; | |
793fdbec | 304 | if(!okD0 && !okD0bar) {CleanOwnPrimaryVtx(d,aod,origownvtx); return 0;} |
d7688946 | 305 | |
793fdbec | 306 | if(d->Prodd0d0() > fCutsRD[GetGlobalIndex(7,ptbin)]) {CleanOwnPrimaryVtx(d,aod,origownvtx); return 0;} |
d7688946 | 307 | |
5f25117b | 308 | |
be9cad0c | 309 | if(d->Pt2Prong(1) < fCutsRD[GetGlobalIndex(3,ptbin)]*fCutsRD[GetGlobalIndex(3,ptbin)] || d->Pt2Prong(0) < fCutsRD[GetGlobalIndex(4,ptbin)]*fCutsRD[GetGlobalIndex(4,ptbin)]) okD0 = 0; |
310 | if(d->Pt2Prong(0) < fCutsRD[GetGlobalIndex(3,ptbin)]*fCutsRD[GetGlobalIndex(3,ptbin)] || d->Pt2Prong(1) < fCutsRD[GetGlobalIndex(4,ptbin)]*fCutsRD[GetGlobalIndex(4,ptbin)]) okD0bar = 0; | |
793fdbec | 311 | if(!okD0 && !okD0bar) {CleanOwnPrimaryVtx(d,aod,origownvtx); return 0;} |
5f25117b | 312 | |
313 | ||
314 | if(TMath::Abs(d->Getd0Prong(1)) > fCutsRD[GetGlobalIndex(5,ptbin)] || | |
315 | TMath::Abs(d->Getd0Prong(0)) > fCutsRD[GetGlobalIndex(6,ptbin)]) okD0 = 0; | |
316 | if(TMath::Abs(d->Getd0Prong(0)) > fCutsRD[GetGlobalIndex(6,ptbin)] || | |
317 | TMath::Abs(d->Getd0Prong(1)) > fCutsRD[GetGlobalIndex(5,ptbin)]) okD0bar = 0; | |
793fdbec | 318 | if(!okD0 && !okD0bar) {CleanOwnPrimaryVtx(d,aod,origownvtx); return 0;} |
5f25117b | 319 | |
793fdbec | 320 | if(d->GetDCA() > fCutsRD[GetGlobalIndex(1,ptbin)]) {CleanOwnPrimaryVtx(d,aod,origownvtx); return 0;} |
5f25117b | 321 | |
650b3ced | 322 | |
5f25117b | 323 | d->CosThetaStarD0(ctsD0,ctsD0bar); |
324 | if(TMath::Abs(ctsD0) > fCutsRD[GetGlobalIndex(2,ptbin)]) okD0 = 0; | |
325 | if(TMath::Abs(ctsD0bar) > fCutsRD[GetGlobalIndex(2,ptbin)]) okD0bar = 0; | |
793fdbec | 326 | if(!okD0 && !okD0bar) {CleanOwnPrimaryVtx(d,aod,origownvtx); return 0;} |
5f25117b | 327 | |
793fdbec | 328 | if(d->CosPointingAngle() < fCutsRD[GetGlobalIndex(8,ptbin)]) {CleanOwnPrimaryVtx(d,aod,origownvtx); return 0;} |
29068278 | 329 | |
330 | ||
331 | if(TMath::Abs(d->CosPointingAngleXY()) < fCutsRD[GetGlobalIndex(9,ptbin)]) {CleanOwnPrimaryVtx(d,aod,origownvtx); return 0;} | |
332 | ||
333 | Double_t normalDecayLengXY=(d->NormalizedDecayLengthXY()*(d->P()/d->Pt())); | |
334 | if (normalDecayLengXY < fCutsRD[GetGlobalIndex(10, ptbin)]) {CleanOwnPrimaryVtx(d,aod,origownvtx); return 0;} | |
5f25117b | 335 | |
336 | if (returnvalueCuts!=0) { | |
337 | if (okD0) returnvalueCuts=1; //cuts passed as D0 | |
338 | if (okD0bar) returnvalueCuts=2; //cuts passed as D0bar | |
339 | if (okD0 && okD0bar) returnvalueCuts=3; //cuts passed as D0 and D0bar | |
340 | } | |
341 | ||
342 | // call special cuts | |
343 | Int_t special=1; | |
344 | if(fUseSpecialCuts) special=IsSelectedSpecialCuts(d); | |
5a4e6774 | 345 | if(!special) {CleanOwnPrimaryVtx(d,aod,origownvtx); return 0;} |
5f25117b | 346 | |
347 | // unset recalculated primary vertex when not needed any more | |
793fdbec | 348 | CleanOwnPrimaryVtx(d,aod,origownvtx); |
650b3ced | 349 | |
d7688946 | 350 | } else { |
351 | // go to selection with Kalman vertexing, if requested | |
352 | returnvalueCuts = IsSelectedKF(d,aod); | |
353 | } | |
dcc2ade0 | 354 | |
d7688946 | 355 | fIsSelectedCuts=returnvalueCuts; |
dcc2ade0 | 356 | if(!returnvalueCuts) return 0; |
5f25117b | 357 | } |
358 | ||
650b3ced | 359 | |
dcc2ade0 | 360 | // selection on PID |
361 | if(selectionLevel==AliRDHFCuts::kAll || | |
362 | selectionLevel==AliRDHFCuts::kCandidate || | |
363 | selectionLevel==AliRDHFCuts::kPID) { | |
364 | returnvaluePID = IsSelectedPID(d); | |
d7688946 | 365 | fIsSelectedPID=returnvaluePID; |
dcc2ade0 | 366 | if(!returnvaluePID) return 0; |
367 | } | |
368 | ||
369 | Int_t returnvalueComb=CombineSelectionLevels(3,returnvalueCuts,returnvaluePID); | |
370 | ||
371 | if(!returnvalueComb) return 0; | |
372 | ||
373 | // selection on daughter tracks | |
374 | if(selectionLevel==AliRDHFCuts::kAll || | |
375 | selectionLevel==AliRDHFCuts::kTracks) { | |
376 | if(!AreDaughtersSelected(d)) return 0; | |
377 | } | |
378 | ||
5f25117b | 379 | // cout<<"Pid = "<<returnvaluePID<<endl; |
e2b51a19 | 380 | return returnvalueComb; |
5f25117b | 381 | } |
382 | ||
383 | //------------------------------------------------------------------------------------------ | |
384 | Int_t AliRDHFCutsD0toKpi::IsSelectedKF(AliAODRecoDecayHF2Prong *d, | |
385 | AliAODEvent* aod) const { | |
386 | // | |
387 | // Apply selection using KF-vertexing | |
388 | // | |
389 | ||
390 | AliAODTrack *track0 = (AliAODTrack*)d->GetDaughter(0); | |
391 | AliAODTrack *track1 = (AliAODTrack*)d->GetDaughter(1); | |
392 | ||
393 | if(!track0 || !track1) { | |
394 | cout<<"one or two D0 daughters missing!"<<endl; | |
395 | return 0; | |
396 | } | |
397 | ||
398 | // returnvalue: 0 not sel, 1 only D0, 2 only D0bar, 3 both | |
399 | Int_t returnvalueCuts=3; | |
400 | ||
401 | // candidate selection with AliKF | |
402 | AliKFParticle::SetField(aod->GetMagneticField()); // set the magnetic field | |
937e1290 | 403 | |
5f25117b | 404 | Int_t okD0=0,okD0bar=0; |
405 | okD0=1; okD0bar=1; | |
406 | ||
407 | // convert tracks into AliKFParticles | |
408 | ||
409 | AliKFParticle negPiKF(*track1,-211); // neg pion kandidate | |
410 | AliKFParticle negKKF(*track1,-321); // neg kaon kandidate | |
411 | AliKFParticle posPiKF(*track0,211); // pos pion kandidate | |
412 | AliKFParticle posKKF(*track0,321); // pos kaon kandidate | |
413 | ||
414 | // build D0 candidates | |
415 | ||
416 | AliKFParticle d0c(negKKF,posPiKF); // D0 candidate | |
417 | AliKFParticle ad0c(posKKF,negPiKF); // D0bar candidate | |
418 | ||
419 | // create kf primary vertices | |
420 | ||
421 | AliAODVertex *vtx1 = aod->GetPrimaryVertex(); | |
422 | AliKFVertex primVtx(*vtx1); | |
423 | AliKFVertex aprimVtx(*vtx1); | |
424 | ||
425 | if(primVtx.GetNContributors()<=0) okD0 = 0; | |
426 | if(aprimVtx.GetNContributors()<=0) okD0bar = 0; | |
427 | if(!okD0 && !okD0bar) returnvalueCuts=0; | |
428 | ||
429 | // calculate mass | |
430 | ||
431 | Double_t d0mass = d0c.GetMass(); | |
432 | Double_t ad0mass = ad0c.GetMass(); | |
433 | ||
434 | // calculate P of D0 and D0bar | |
435 | Double_t d0P = d0c.GetP(); | |
436 | Double_t d0Px = d0c.GetPx(); | |
437 | Double_t d0Py = d0c.GetPy(); | |
438 | Double_t d0Pz = d0c.GetPz(); | |
439 | Double_t ad0P = ad0c.GetP(); | |
440 | Double_t ad0Px = ad0c.GetPx(); | |
441 | Double_t ad0Py = ad0c.GetPy(); | |
442 | Double_t ad0Pz = ad0c.GetPz(); | |
443 | ||
444 | //calculate Pt of D0 and D0bar | |
445 | ||
446 | Double_t pt=d0c.GetPt(); | |
447 | Double_t apt=ad0c.GetPt(); | |
448 | ||
449 | // remove D0 daughters from primary vertices (if used in vertex fit) and add D0-candidates | |
450 | ||
451 | if(track0->GetUsedForPrimVtxFit()) { | |
452 | primVtx -= posPiKF; | |
453 | aprimVtx -= posKKF; | |
454 | } | |
455 | ||
456 | if(track1->GetUsedForPrimVtxFit()) { | |
457 | primVtx -= negKKF; | |
458 | aprimVtx -= negPiKF; | |
459 | } | |
460 | ||
461 | primVtx += d0c; | |
462 | aprimVtx += ad0c; | |
463 | ||
464 | if(primVtx.GetNContributors()<=0) okD0 = 0; | |
465 | if(aprimVtx.GetNContributors()<=0) okD0bar = 0; | |
466 | if(!okD0 && !okD0bar) returnvalueCuts=0; | |
467 | ||
468 | //calculate cut variables | |
469 | ||
470 | // calculate impact params of daughters w.r.t recalculated vertices | |
471 | ||
472 | Double_t impactPi = posPiKF.GetDistanceFromVertexXY(primVtx); | |
473 | Double_t aimpactPi = negPiKF.GetDistanceFromVertexXY(aprimVtx); | |
474 | Double_t impactKa = negKKF.GetDistanceFromVertexXY(primVtx); | |
475 | Double_t aimpactKa = posKKF.GetDistanceFromVertexXY(aprimVtx); | |
476 | ||
477 | // calculate Product of Impact Params | |
478 | ||
479 | Double_t prodParam = impactPi*impactKa; | |
480 | Double_t aprodParam = aimpactPi*aimpactKa; | |
481 | ||
482 | // calculate cosine of pointing angles | |
483 | ||
484 | TVector3 mom(d0c.GetPx(),d0c.GetPy(),d0c.GetPz()); | |
485 | TVector3 fline(d0c.GetX()-primVtx.GetX(), | |
486 | d0c.GetY()-primVtx.GetY(), | |
487 | d0c.GetZ()-primVtx.GetZ()); | |
488 | Double_t pta = mom.Angle(fline); | |
489 | Double_t cosP = TMath::Cos(pta); // cosine of pta for D0 candidate | |
490 | ||
491 | TVector3 amom(ad0c.GetPx(),ad0c.GetPy(),ad0c.GetPz()); | |
492 | TVector3 afline(ad0c.GetX()-aprimVtx.GetX(), | |
493 | ad0c.GetY()-aprimVtx.GetY(), | |
494 | ad0c.GetZ()-aprimVtx.GetZ()); | |
495 | Double_t apta = amom.Angle(afline); | |
496 | Double_t acosP = TMath::Cos(apta); // cosine of pta for D0bar candidate | |
497 | ||
498 | // calculate P of Pions at Decay Position of D0 and D0bar candidates | |
499 | negKKF.TransportToParticle(d0c); | |
500 | posPiKF.TransportToParticle(d0c); | |
501 | posKKF.TransportToParticle(ad0c); | |
502 | negPiKF.TransportToParticle(ad0c); | |
503 | ||
504 | Double_t pxPi = posPiKF.GetPx(); | |
505 | Double_t pyPi = posPiKF.GetPy(); | |
506 | Double_t pzPi = posPiKF.GetPz(); | |
507 | Double_t ptPi = posPiKF.GetPt(); | |
508 | ||
509 | Double_t apxPi = negPiKF.GetPx(); | |
510 | Double_t apyPi = negPiKF.GetPy(); | |
511 | Double_t apzPi = negPiKF.GetPz(); | |
512 | Double_t aptPi = negPiKF.GetPt(); | |
513 | ||
514 | // calculate Pt of Kaons at Decay Position of D0 and D0bar candidates | |
515 | ||
516 | Double_t ptK = negKKF.GetPt(); | |
517 | Double_t aptK = posKKF.GetPt(); | |
518 | ||
519 | //calculate cos(thetastar) | |
520 | Double_t massvtx = TDatabasePDG::Instance()->GetParticle(421)->Mass(); | |
521 | Double_t massp[2]; | |
522 | massp[0] = TDatabasePDG::Instance()->GetParticle(321)->Mass(); | |
523 | massp[1] = TDatabasePDG::Instance()->GetParticle(211)->Mass(); | |
524 | Double_t pStar = TMath::Sqrt(TMath::Power(massvtx*massvtx-massp[0]*massp[0]-massp[1]*massp[1],2.) | |
525 | -4.*massp[0]*massp[0]*massp[1]*massp[1])/(2.*massvtx); | |
526 | ||
527 | // cos(thetastar) for D0 and Pion | |
528 | ||
529 | Double_t d0E = TMath::Sqrt(massvtx*massvtx + d0P*d0P); | |
530 | Double_t beta = d0P/d0E; | |
531 | Double_t gamma = d0E/massvtx; | |
532 | TVector3 momPi(pxPi,pyPi,pzPi); | |
533 | TVector3 momTot(d0Px,d0Py,d0Pz); | |
534 | Double_t q1 = momPi.Dot(momTot)/momTot.Mag(); | |
535 | Double_t cts = (q1/gamma-beta*TMath::Sqrt(pStar*pStar+massp[1]*massp[1]))/pStar; | |
536 | ||
537 | // cos(thetastar) for D0bar and Pion | |
538 | ||
539 | Double_t ad0E = TMath::Sqrt(massvtx*massvtx + ad0P*ad0P); | |
540 | Double_t abeta = ad0P/ad0E; | |
541 | Double_t agamma = ad0E/massvtx; | |
542 | TVector3 amomPi(apxPi,apyPi,apzPi); | |
543 | TVector3 amomTot(ad0Px,ad0Py,ad0Pz); | |
544 | Double_t aq1 = amomPi.Dot(amomTot)/amomTot.Mag(); | |
545 | Double_t acts = (aq1/agamma-abeta*TMath::Sqrt(pStar*pStar+massp[1]*massp[1]))/pStar; | |
546 | ||
547 | // calculate reduced Chi2 for the full D0 fit | |
548 | d0c.SetProductionVertex(primVtx); | |
549 | ad0c.SetProductionVertex(aprimVtx); | |
550 | negKKF.SetProductionVertex(d0c); | |
551 | posPiKF.SetProductionVertex(d0c); | |
552 | posKKF.SetProductionVertex(ad0c); | |
553 | negPiKF.SetProductionVertex(ad0c); | |
554 | d0c.TransportToProductionVertex(); | |
555 | ad0c.TransportToProductionVertex(); | |
556 | ||
557 | // calculate the decay length | |
558 | Double_t decayLengthD0 = d0c.GetDecayLength(); | |
559 | Double_t adecayLengthD0 = ad0c.GetDecayLength(); | |
560 | ||
561 | Double_t chi2D0 = 50.; | |
562 | if(d0c.GetNDF() > 0 && d0c.GetChi2() >= 0) { | |
563 | chi2D0 = d0c.GetChi2()/d0c.GetNDF(); | |
564 | } | |
565 | ||
566 | Double_t achi2D0 = 50.; | |
567 | if(ad0c.GetNDF() > 0 && ad0c.GetChi2() >= 0) { | |
568 | achi2D0 = ad0c.GetChi2()/ad0c.GetNDF(); | |
569 | } | |
570 | ||
571 | // Get the Pt-bins | |
572 | Int_t ptbin=PtBin(pt); | |
573 | Int_t aptbin=PtBin(apt); | |
574 | ||
575 | if(ptbin < 0) okD0 = 0; | |
576 | if(aptbin < 0) okD0bar = 0; | |
577 | if(!okD0 && !okD0bar) returnvalueCuts=0; | |
578 | ||
579 | if(ptK < fCutsRD[GetGlobalIndex(3,ptbin)] || ptPi < fCutsRD[GetGlobalIndex(4,ptbin)]) okD0 = 0; | |
580 | if(aptK < fCutsRD[GetGlobalIndex(3,aptbin)] || aptPi < fCutsRD[GetGlobalIndex(4,aptbin)]) okD0bar = 0; | |
581 | if(!okD0 && !okD0bar) returnvalueCuts=0; | |
582 | ||
583 | ||
584 | if(TMath::Abs(impactKa) > fCutsRD[GetGlobalIndex(5,ptbin)] || | |
585 | TMath::Abs(impactPi) > fCutsRD[GetGlobalIndex(6,ptbin)]) okD0 = 0; | |
586 | ||
587 | if(TMath::Abs(aimpactKa) > fCutsRD[GetGlobalIndex(5,aptbin)] || | |
588 | TMath::Abs(aimpactPi) > fCutsRD[GetGlobalIndex(6,aptbin)]) okD0bar = 0; | |
589 | ||
590 | if(!okD0 && !okD0bar) returnvalueCuts=0; | |
591 | ||
592 | // for the moment via the standard method due to bug in AliKF | |
593 | if(d->GetDCA() > fCutsRD[GetGlobalIndex(1,ptbin)]) okD0 = 0; | |
594 | if(d->GetDCA() > fCutsRD[GetGlobalIndex(1,aptbin)]) okD0bar = 0; | |
595 | if(!okD0 && !okD0bar) returnvalueCuts=0; | |
650b3ced | 596 | |
650b3ced | 597 | |
5f25117b | 598 | if(TMath::Abs(d0mass-massvtx) > fCutsRD[GetGlobalIndex(0,ptbin)]) okD0 = 0; |
599 | if(TMath::Abs(ad0mass-massvtx) > fCutsRD[GetGlobalIndex(0,aptbin)]) okD0bar = 0; | |
600 | if(!okD0 && !okD0bar) returnvalueCuts=0; | |
601 | ||
602 | ||
603 | if(TMath::Abs(cts) > fCutsRD[GetGlobalIndex(2,ptbin)]) okD0 = 0; | |
604 | if(TMath::Abs(acts) > fCutsRD[GetGlobalIndex(2,aptbin)]) okD0bar = 0; | |
605 | if(!okD0 && !okD0bar) returnvalueCuts=0; | |
606 | ||
607 | if(prodParam > fCutsRD[GetGlobalIndex(7,ptbin)]) okD0 = 0; | |
608 | if(aprodParam > fCutsRD[GetGlobalIndex(7,aptbin)]) okD0bar = 0; | |
609 | if(!okD0 && !okD0bar) returnvalueCuts=0; | |
650b3ced | 610 | |
5f25117b | 611 | if(cosP < fCutsRD[GetGlobalIndex(8,ptbin)]) okD0 = 0; |
612 | if(acosP < fCutsRD[GetGlobalIndex(8,aptbin)]) okD0bar = 0; | |
613 | if(!okD0 && !okD0bar) returnvalueCuts=0; | |
614 | ||
615 | if(chi2D0 > fCutsRD[GetGlobalIndex(10,ptbin)]) okD0 = 0; | |
616 | if(achi2D0 > fCutsRD[GetGlobalIndex(10,aptbin)]) okD0bar = 0; | |
617 | if(!okD0 && !okD0bar) returnvalueCuts=0; | |
618 | ||
619 | if(decayLengthD0 < fCutsRD[GetGlobalIndex(9,ptbin)]) okD0 = 0; | |
620 | if(adecayLengthD0 < fCutsRD[GetGlobalIndex(9,aptbin)]) okD0bar = 0; | |
621 | if(!okD0 && !okD0bar) returnvalueCuts=0; | |
650b3ced | 622 | |
5f25117b | 623 | if(returnvalueCuts!=0) { |
624 | if(okD0) returnvalueCuts=1; //cuts passed as D0 | |
625 | if(okD0bar) returnvalueCuts=2; //cuts passed as D0bar | |
626 | if(okD0 && okD0bar) returnvalueCuts=3; //cuts passed as D0 and D0bar | |
650b3ced | 627 | } |
628 | ||
5f25117b | 629 | return returnvalueCuts; |
650b3ced | 630 | } |
5f25117b | 631 | |
650b3ced | 632 | //--------------------------------------------------------------------------- |
5f25117b | 633 | |
aa8d25fe | 634 | Bool_t AliRDHFCutsD0toKpi::IsInFiducialAcceptance(Double_t pt, Double_t y) const |
635 | { | |
636 | // | |
637 | // Checking if D0 is in fiducial acceptance region | |
638 | // | |
639 | ||
c96634a2 | 640 | if(pt > 5.) { |
aa8d25fe | 641 | // applying cut for pt > 5 GeV |
937e1290 | 642 | AliDebug(2,Form("pt of D0 = %f (> 5), cutting at |y| < 0.8\n",pt)); |
aa8d25fe | 643 | if (TMath::Abs(y) > 0.8){ |
644 | return kFALSE; | |
645 | } | |
646 | } else { | |
647 | // appliying smooth cut for pt < 5 GeV | |
648 | Double_t maxFiducialY = -0.2/15*pt*pt+1.9/15*pt+0.5; | |
649 | Double_t minFiducialY = 0.2/15*pt*pt-1.9/15*pt-0.5; | |
937e1290 | 650 | AliDebug(2,Form("pt of D0 = %f (< 5), cutting according to the fiducial zone [%f, %f]\n",pt,minFiducialY,maxFiducialY)); |
aa8d25fe | 651 | if (y < minFiducialY || y > maxFiducialY){ |
652 | return kFALSE; | |
653 | } | |
654 | } | |
c96634a2 | 655 | |
aa8d25fe | 656 | return kTRUE; |
aa8d25fe | 657 | } |
c96634a2 | 658 | //--------------------------------------------------------------------------- |
937e1290 | 659 | Int_t AliRDHFCutsD0toKpi::IsSelectedPID(AliAODRecoDecayHF* d) |
08ea5c32 | 660 | { |
661 | // ############################################################ | |
662 | // | |
663 | // Apply PID selection | |
664 | // | |
665 | // | |
666 | // ############################################################ | |
667 | ||
668 | if(!fUsePID) return 3; | |
669 | if(fDefaultPID) return IsSelectedPIDdefault(d); | |
670 | fWhyRejection=0; | |
671 | Int_t isD0D0barPID[2]={1,2}; | |
672 | Int_t combinedPID[2][2];// CONVENTION: [daught][isK,IsPi]; [0][0]=(prong 1, isK)=value [0][1]=(prong 1, isPi)=value; | |
673 | // same for prong 2 | |
674 | // values convention -1 = discarded | |
675 | // 0 = not identified (but compatible) || No PID (->hasPID flag) | |
676 | // 1 = identified | |
677 | // PID search: pion (TPC) or not K (TOF), Kaon hypothesis for both | |
678 | // Initial hypothesis: unknwon (but compatible) | |
679 | combinedPID[0][0]=0; // prima figlia, Kaon | |
680 | combinedPID[0][1]=0; // prima figlia, pione | |
681 | combinedPID[1][0]=0; // seconda figlia, Kaon | |
682 | combinedPID[1][1]=0; // seconda figlia, pion | |
683 | ||
684 | Bool_t checkPIDInfo[2]={kTRUE,kTRUE}; | |
685 | Double_t sigma_tmp[3]={fPidHF->GetSigma(0),fPidHF->GetSigma(1),fPidHF->GetSigma(2)}; | |
686 | for(Int_t daught=0;daught<2;daught++){ | |
687 | //Loop con prongs | |
688 | AliAODTrack *aodtrack=(AliAODTrack*)d->GetDaughter(daught); | |
87baf03d | 689 | if(fPidHF->IsTOFPiKexcluded(aodtrack,5.)) return 0; |
08ea5c32 | 690 | |
691 | if(!(fPidHF->CheckStatus(aodtrack,"TPC")) && !(fPidHF->CheckStatus(aodtrack,"TOF"))) { | |
87baf03d | 692 | checkPIDInfo[daught]=kFALSE; |
693 | continue; | |
08ea5c32 | 694 | } |
695 | ||
696 | // identify kaon | |
697 | combinedPID[daught][0]=fPidHF->MakeRawPid(aodtrack,3); | |
698 | ||
699 | // identify pion | |
700 | ||
701 | if(!(fPidHF->CheckStatus(aodtrack,"TPC"))) { | |
702 | combinedPID[daught][1]=0; | |
703 | }else{ | |
704 | fPidHF->SetTOF(kFALSE); | |
705 | combinedPID[daught][1]=fPidHF->MakeRawPid(aodtrack,2); | |
706 | fPidHF->SetTOF(kTRUE); | |
707 | fPidHF->SetCompat(kTRUE); | |
708 | } | |
709 | ||
710 | ||
d8e690c9 | 711 | if(combinedPID[daught][0]<=-1&&combinedPID[daught][1]<=-1){ // if not a K- and not a pi- both D0 and D0bar excluded |
712 | isD0D0barPID[0]=0; | |
713 | isD0D0barPID[1]=0; | |
714 | } | |
715 | else if(combinedPID[daught][0]==2&&combinedPID[daught][1]>=1){ | |
716 | if(aodtrack->Charge()==-1)isD0D0barPID[1]=0;//if K- D0bar excluded | |
717 | else isD0D0barPID[0]=0;// if K+ D0 excluded | |
718 | } | |
719 | /* else if(combinedPID[daught][0]==1&&combinedPID[daught][1]>=1){ | |
720 | isD0D0barPID[0]=0; | |
721 | isD0D0barPID[1]=0; | |
722 | } | |
723 | */ | |
724 | else if(combinedPID[daught][0]>=1||combinedPID[daught][1]<=-1){ | |
725 | if(aodtrack->Charge()==-1)isD0D0barPID[1]=0;// not a D0bar if K- or if pi- excluded | |
726 | else isD0D0barPID[0]=0;// not a D0 if K+ or if pi+ excluded | |
727 | } | |
728 | else if(combinedPID[daught][0]<=-1||combinedPID[daught][1]>=1){ | |
729 | if(aodtrack->Charge()==-1)isD0D0barPID[0]=0;// not a D0 if pi- or if K- excluded | |
730 | else isD0D0barPID[1]=0;// not a D0bar if pi+ or if K+ excluded | |
731 | } | |
08ea5c32 | 732 | |
39827ef5 | 733 | if(fLowPt && d->Pt()<fPtLowPID){ |
08ea5c32 | 734 | Double_t sigmaTPC[3]={3.,2.,0.}; |
735 | fPidHF->SetSigmaForTPC(sigmaTPC); | |
736 | // identify kaon | |
737 | combinedPID[daught][0]=fPidHF->MakeRawPid(aodtrack,3); | |
738 | ||
739 | Double_t ptProng=aodtrack->P(); | |
740 | ||
741 | if(ptProng<0.6){ | |
742 | fPidHF->SetCompat(kFALSE); | |
743 | combinedPID[daught][0]=fPidHF->MakeRawPid(aodtrack,3); | |
744 | fPidHF->SetCompat(kTRUE); | |
745 | } | |
746 | ||
747 | if(!(fPidHF->CheckStatus(aodtrack,"TPC"))) { | |
748 | combinedPID[daught][1]=0; | |
749 | }else{ | |
750 | fPidHF->SetTOF(kFALSE); | |
751 | Double_t sigmaTPCpi[3]={3.,3.,0.}; | |
752 | fPidHF->SetSigmaForTPC(sigmaTPCpi); | |
753 | combinedPID[daught][1]=fPidHF->MakeRawPid(aodtrack,2); | |
754 | fPidHF->SetTOF(kTRUE); | |
755 | if(ptProng<0.8){ | |
756 | Bool_t isTPCpion=fPidHF->IsPionRaw(aodtrack,"TPC"); | |
757 | if(isTPCpion){ | |
758 | combinedPID[daught][1]=1; | |
759 | }else{ | |
760 | combinedPID[daught][1]=-1; | |
761 | } | |
762 | } | |
763 | } | |
764 | ||
765 | } | |
766 | fPidHF->SetSigmaForTPC(sigma_tmp); | |
767 | }// END OF LOOP ON DAUGHTERS | |
768 | ||
769 | if(!checkPIDInfo[0] && !checkPIDInfo[1]) { | |
770 | if(fLowPt) fPidHF->SetSigmaForTPC(sigma_tmp); | |
771 | return 0; | |
772 | } | |
773 | ||
774 | ||
775 | // FURTHER PID REQUEST (both daughter info is needed) | |
776 | if(combinedPID[0][0]<=-1&&combinedPID[1][0]<=-1){ | |
777 | fWhyRejection=31;// reject cases in which no kaon-compatible tracks are found | |
778 | if(fLowPt) fPidHF->SetSigmaForTPC(sigma_tmp); | |
779 | return 0; | |
780 | } | |
781 | ||
39827ef5 | 782 | if(fLowPt && d->Pt()<fPtLowPID){ |
08ea5c32 | 783 | if(combinedPID[0][0]<=0&&combinedPID[1][0]<=0){ |
784 | fWhyRejection=32;// reject cases where the Kaon is not identified | |
39827ef5 | 785 | fPidHF->SetSigmaForTPC(sigma_tmp); |
08ea5c32 | 786 | return 0; |
787 | } | |
788 | } | |
789 | if(fLowPt) fPidHF->SetSigmaForTPC(sigma_tmp); | |
790 | ||
791 | // cout<<"Why? "<<fWhyRejection<<endl; | |
792 | return isD0D0barPID[0]+isD0D0barPID[1]; | |
793 | } | |
794 | //--------------------------------------------------------------------------- | |
795 | Int_t AliRDHFCutsD0toKpi::IsSelectedPIDdefault(AliAODRecoDecayHF* d) | |
937e1290 | 796 | { |
797 | // ############################################################ | |
c96634a2 | 798 | // |
799 | // Apply PID selection | |
c96634a2 | 800 | // |
937e1290 | 801 | // |
802 | // temporary selection: PID AS USED FOR D0 by Andrea Rossi (up to 28/06/2010) | |
803 | // | |
804 | // d must be a AliAODRecoDecayHF2Prong object | |
805 | // returns 0 if both D0 and D0bar are rejectecd | |
806 | // 1 if D0 is accepted while D0bar is rejected | |
807 | // 2 if D0bar is accepted while D0 is rejected | |
808 | // 3 if both are accepted | |
809 | // fWhyRejection variable (not returned for the moment, print it if needed) | |
810 | // keeps some information on why a candidate has been | |
811 | // rejected according to the following (unfriendly?) scheme | |
812 | // if more rejection cases are considered interesting, just add numbers | |
813 | // | |
814 | // TO BE CONSIDERED WITH A GRAIN OF SALT (the order in which cut are applied is relevant) | |
815 | // from 20 to 30: "detector" selection (PID acceptance) | |
816 | // 26: TPC refit | |
817 | // 27: ITS refit | |
818 | // 28: no (TOF||TPC) pid information (no kTOFpid,kTOFout,kTIME,kTPCpid,...) | |
819 | // | |
820 | // from 30 to 40: PID selection | |
821 | // 31: no Kaon compatible tracks found between daughters | |
822 | // 32: no Kaon identified tracks found (strong sel. at low momenta) | |
823 | // 33: both mass hypotheses are rejected | |
824 | // | |
825 | // ############################################################ | |
826 | ||
827 | if(!fUsePID) return 3; | |
828 | fWhyRejection=0; | |
829 | Int_t isD0D0barPID[2]={1,2}; | |
830 | Double_t nsigmaTPCpi=-1., nsigmaTPCK=-1.; //used for TPC pid | |
831 | Double_t tofSig,times[5];// used fot TOF pid | |
832 | Int_t hasPID[2]={2,2};// flag to count how many detectors give PID info for the daughters | |
833 | Int_t isKaonPionTOF[2][2],isKaonPionTPC[2][2]; | |
834 | Int_t combinedPID[2][2];// CONVENTION: [daught][isK,IsPi]; [0][0]=(prong 1, isK)=value [0][1]=(prong 1, isPi)=value; | |
835 | // same for prong 2 | |
836 | // values convention -1 = discarded | |
837 | // 0 = not identified (but compatible) || No PID (->hasPID flag) | |
838 | // 1 = identified | |
839 | // PID search: pion (TPC) or not K (TOF), Kaon hypothesis for both | |
840 | // Initial hypothesis: unknwon (but compatible) | |
841 | isKaonPionTOF[0][0]=0; | |
842 | isKaonPionTOF[0][1]=0; | |
843 | isKaonPionTOF[1][0]=0; | |
844 | isKaonPionTOF[1][1]=0; | |
845 | ||
846 | isKaonPionTPC[0][0]=0; | |
847 | isKaonPionTPC[0][1]=0; | |
848 | isKaonPionTPC[1][0]=0; | |
849 | isKaonPionTPC[1][1]=0; | |
850 | ||
851 | combinedPID[0][0]=0; | |
852 | combinedPID[0][1]=0; | |
853 | combinedPID[1][0]=0; | |
854 | combinedPID[1][1]=0; | |
855 | ||
856 | ||
857 | ||
858 | for(Int_t daught=0;daught<2;daught++){ | |
859 | //Loop con prongs | |
860 | ||
861 | // ########### Step 0- CHECKING minimal PID "ACCEPTANCE" #################### | |
862 | ||
863 | AliAODTrack *aodtrack=(AliAODTrack*)d->GetDaughter(daught); | |
864 | ||
865 | if(!(aodtrack->GetStatus()&AliESDtrack::kTPCrefit)){ | |
866 | fWhyRejection=26; | |
867 | return 0; | |
868 | } | |
869 | if(!(aodtrack->GetStatus()&AliESDtrack::kITSrefit)){ | |
870 | fWhyRejection=27; | |
871 | return 0; | |
872 | } | |
873 | ||
874 | AliAODPid *pid=aodtrack->GetDetPid(); | |
875 | if(!pid) { | |
876 | //delete esdtrack; | |
877 | hasPID[daught]--; | |
878 | continue; | |
879 | } | |
880 | ||
881 | // ########### Step 1- Check of TPC and TOF response #################### | |
882 | ||
883 | Double_t ptrack=aodtrack->P(); | |
884 | //#################### TPC PID ####################### | |
885 | if (!(aodtrack->GetStatus()&AliESDtrack::kTPCpid )){ | |
886 | // NO TPC PID INFO FOR THIS TRACK | |
887 | hasPID[daught]--; | |
888 | } | |
889 | else { | |
890 | static AliTPCPIDResponse theTPCpid; | |
08ea5c32 | 891 | AliAODPid *pidObj = aodtrack->GetDetPid(); |
892 | Double_t ptProng=pidObj->GetTPCmomentum(); | |
893 | nsigmaTPCpi = theTPCpid.GetNumberOfSigmas(ptProng,(Float_t)pid->GetTPCsignal(),(Int_t)aodtrack->GetTPCClusterMap().CountBits(),AliPID::kPion); | |
894 | nsigmaTPCK = theTPCpid.GetNumberOfSigmas(ptProng,(Float_t)pid->GetTPCsignal(),(Int_t)aodtrack->GetTPCClusterMap().CountBits(),AliPID::kKaon); | |
895 | //if(ptrack<0.6){ | |
896 | if(ptProng<0.6){ | |
937e1290 | 897 | if(TMath::Abs(nsigmaTPCK)<2.)isKaonPionTPC[daught][0]=1; |
898 | else if(TMath::Abs(nsigmaTPCK)>3.)isKaonPionTPC[daught][0]=-1; | |
899 | if(TMath::Abs(nsigmaTPCpi)<2.)isKaonPionTPC[daught][1]=1; | |
900 | else if(TMath::Abs(nsigmaTPCpi)>3.)isKaonPionTPC[daught][1]=-1; | |
901 | } | |
08ea5c32 | 902 | //else if(ptrack<.8){ |
903 | else if(ptProng<.8){ | |
937e1290 | 904 | if(TMath::Abs(nsigmaTPCK)<1.)isKaonPionTPC[daught][0]=1; |
905 | else if(TMath::Abs(nsigmaTPCK)>3.)isKaonPionTPC[daught][0]=-1; | |
906 | if(TMath::Abs(nsigmaTPCpi)<1.)isKaonPionTPC[daught][1]=1; | |
907 | else if(TMath::Abs(nsigmaTPCpi)>3.)isKaonPionTPC[daught][1]=-1; | |
908 | } | |
909 | else { | |
910 | // if(nsigmaTPCK>-2.&&nsigmaTPCK<1.)isKaonPionTPC[daught][0]=1; | |
911 | if(TMath::Abs(nsigmaTPCK)>3.)isKaonPionTPC[daught][0]=-1; | |
912 | //if(nsigmaTPCpi>-1.&&nsigmaTPCpi<2.)isKaonPionTPC[daught][1]=1; | |
913 | if(TMath::Abs(nsigmaTPCpi)>3.)isKaonPionTPC[daught][1]=-1; | |
914 | } | |
915 | } | |
916 | ||
917 | ||
918 | // ##### TOF PID: do not ask nothing for pion/protons ############ | |
919 | if(!((aodtrack->GetStatus()&AliESDtrack::kTOFpid)&&(aodtrack->GetStatus()&AliESDtrack::kTOFout)&&(aodtrack->GetStatus()&AliESDtrack::kTIME))){ | |
920 | // NO TOF PID INFO FOR THIS TRACK | |
921 | hasPID[daught]--; | |
922 | } | |
923 | else{ | |
924 | tofSig=pid->GetTOFsignal(); | |
925 | pid->GetIntegratedTimes(times); | |
b14fe7f1 | 926 | if((tofSig-times[3])>5.*160.)return 0;// PROTON REJECTION |
937e1290 | 927 | if(TMath::Abs(tofSig-times[3])>3.*160.){ |
928 | isKaonPionTOF[daught][0]=-1; | |
929 | } | |
930 | else { | |
931 | if(ptrack<1.5){ | |
932 | isKaonPionTOF[daught][0]=1; | |
933 | } | |
934 | } | |
935 | } | |
936 | ||
937 | //######### Step 2: COMBINE TOF and TPC PID ############### | |
938 | // we apply the following convention: if TPC and TOF disagree (discarded Vs identified) -> unknown | |
939 | combinedPID[daught][0]=isKaonPionTOF[daught][0]+isKaonPionTPC[daught][0]; | |
940 | combinedPID[daught][1]=isKaonPionTOF[daught][1]+isKaonPionTPC[daught][1]; | |
941 | ||
942 | ||
943 | //######### Step 3: USE PID INFO | |
944 | ||
945 | if(combinedPID[daught][0]<=-1&&combinedPID[daught][1]<=-1){// if not a K- and not a pi- both D0 and D0bar excluded | |
946 | isD0D0barPID[0]=0; | |
947 | isD0D0barPID[1]=0; | |
948 | } | |
949 | else if(combinedPID[daught][0]==2&&combinedPID[daught][1]>=1){// if in conflict (both pi- and K-), if k for both TPC and TOF -> is K | |
950 | if(aodtrack->Charge()==-1)isD0D0barPID[1]=0;//if K- D0bar excluded | |
951 | else isD0D0barPID[0]=0;// if K+ D0 excluded | |
952 | } | |
953 | else if(combinedPID[daught][0]==1&&combinedPID[daught][1]>=1){// if in conflict (both pi- and K-) and k- only for TPC or TOF -> reject | |
954 | isD0D0barPID[0]=0; | |
955 | isD0D0barPID[1]=0; | |
956 | } | |
957 | else if(combinedPID[daught][0]>=1||combinedPID[daught][1]<=-1){ | |
958 | if(aodtrack->Charge()==-1)isD0D0barPID[1]=0;// not a D0bar if K- or if pi- excluded | |
959 | else isD0D0barPID[0]=0;// not a D0 if K+ or if pi+ excluded | |
960 | } | |
961 | else if(combinedPID[daught][0]<=-1||combinedPID[daught][1]>=1){ | |
962 | if(aodtrack->Charge()==-1)isD0D0barPID[0]=0;// not a D0 if pi- or if K- excluded | |
963 | else isD0D0barPID[1]=0;// not a D0bar if pi+ or if K+ excluded | |
964 | } | |
965 | ||
966 | // ########## ALSO DIFFERENT TPC PID REQUEST FOR LOW pt D0: request of K identification ############################### | |
967 | // ########## more tolerant criteria for single particle ID-> more selective criteria for D0 ############################## | |
968 | // ############### NOT OPTIMIZED YET ################################### | |
969 | if(d->Pt()<2.){ | |
970 | isKaonPionTPC[daught][0]=0; | |
971 | isKaonPionTPC[daught][1]=0; | |
08ea5c32 | 972 | AliAODPid *pidObj = aodtrack->GetDetPid(); |
973 | Double_t ptProng=pidObj->GetTPCmomentum(); | |
974 | //if(ptrack<0.6){ | |
975 | if(ptProng<0.6){ | |
937e1290 | 976 | if(TMath::Abs(nsigmaTPCK)<3.)isKaonPionTPC[daught][0]=1; |
977 | else if(TMath::Abs(nsigmaTPCK)>3.)isKaonPionTPC[daught][0]=-1; | |
978 | if(TMath::Abs(nsigmaTPCpi)<3.)isKaonPionTPC[daught][1]=1; | |
979 | else if(TMath::Abs(nsigmaTPCpi)>3.)isKaonPionTPC[daught][1]=-1; | |
980 | } | |
08ea5c32 | 981 | //else if(ptrack<.8){ |
982 | else if(ptProng<.8){ | |
937e1290 | 983 | if(TMath::Abs(nsigmaTPCK)<2.)isKaonPionTPC[daught][0]=1; |
984 | else if(TMath::Abs(nsigmaTPCK)>3.)isKaonPionTPC[daught][0]=-1; | |
985 | if(TMath::Abs(nsigmaTPCpi)<3.)isKaonPionTPC[daught][1]=1; | |
986 | else if(TMath::Abs(nsigmaTPCpi)>3.)isKaonPionTPC[daught][1]=-1; | |
987 | } | |
988 | else { | |
989 | if(TMath::Abs(nsigmaTPCK)>3.)isKaonPionTPC[daught][0]=-1; | |
990 | if(TMath::Abs(nsigmaTPCpi)>3.)isKaonPionTPC[daught][1]=-1; | |
991 | } | |
992 | } | |
993 | ||
994 | }// END OF LOOP ON DAUGHTERS | |
995 | ||
996 | // FURTHER PID REQUEST (both daughter info is needed) | |
997 | if(combinedPID[0][0]<=-1&&combinedPID[1][0]<=-1){ | |
998 | fWhyRejection=31;// reject cases in which no kaon-compatible tracks are found | |
999 | return 0; | |
1000 | } | |
1001 | else if(hasPID[0]==0&&hasPID[1]==0){ | |
1002 | fWhyRejection=28;// reject cases in which no PID info is available | |
1003 | return 0; | |
1004 | } | |
1005 | if(d->Pt()<2.){ | |
1006 | // request of K identification at low D0 pt | |
1007 | combinedPID[0][0]=0; | |
1008 | combinedPID[0][1]=0; | |
1009 | combinedPID[1][0]=0; | |
1010 | combinedPID[1][1]=0; | |
1011 | ||
1012 | combinedPID[0][0]=isKaonPionTOF[0][0]+isKaonPionTPC[0][0]; | |
1013 | combinedPID[0][1]=isKaonPionTOF[0][1]+isKaonPionTPC[0][1]; | |
aaf00f06 | 1014 | combinedPID[1][0]=isKaonPionTOF[1][0]+isKaonPionTPC[1][0]; |
1015 | combinedPID[1][1]=isKaonPionTOF[1][1]+isKaonPionTPC[1][1]; | |
937e1290 | 1016 | |
1017 | if(combinedPID[0][0]<=0&&combinedPID[1][0]<=0){ | |
1018 | fWhyRejection=32;// reject cases where the Kaon is not identified | |
1019 | return 0; | |
1020 | } | |
1021 | } | |
1022 | ||
1023 | // cout<<"Why? "<<fWhyRejection<<endl; | |
1024 | return isD0D0barPID[0]+isD0D0barPID[1]; | |
1025 | } | |
1026 | ||
08ea5c32 | 1027 | |
1028 | ||
937e1290 | 1029 | //--------------------------------------------------------------------------- |
1030 | Int_t AliRDHFCutsD0toKpi::CombineSelectionLevels(Int_t selectionvalTrack, | |
1031 | Int_t selectionvalCand, | |
1032 | Int_t selectionvalPID) const | |
1033 | { | |
1034 | // | |
1035 | // This method combines the tracks, PID and cuts selection results | |
1036 | // | |
1037 | if(selectionvalTrack==0) return 0; | |
1038 | ||
1039 | Int_t returnvalue; | |
c96634a2 | 1040 | |
937e1290 | 1041 | switch(selectionvalPID) { |
1042 | case 0: | |
1043 | returnvalue=0; | |
1044 | break; | |
1045 | case 1: | |
1046 | returnvalue=((selectionvalCand==1 || selectionvalCand==3) ? 1 : 0); | |
1047 | break; | |
1048 | case 2: | |
1049 | returnvalue=((selectionvalCand==2 || selectionvalCand==3) ? 2 : 0); | |
1050 | break; | |
1051 | case 3: | |
1052 | returnvalue=selectionvalCand; | |
1053 | break; | |
1054 | default: | |
1055 | returnvalue=0; | |
1056 | break; | |
1057 | } | |
1058 | ||
1059 | return returnvalue; | |
1060 | } | |
1061 | //---------------------------------------------------------------------------- | |
1062 | Int_t AliRDHFCutsD0toKpi::IsSelectedSpecialCuts(AliAODRecoDecayHF *d) const | |
1063 | { | |
1064 | // | |
1065 | // Note: this method is temporary | |
1066 | // Additional cuts on decay lenght and lower cut for d0 norm are applied using vertex without candidate's daughters | |
1067 | // | |
c96634a2 | 1068 | |
937e1290 | 1069 | //apply cuts |
aa8d25fe | 1070 | |
937e1290 | 1071 | Float_t normDecLengthCut=1.,decLengthCut=TMath::Min(d->P()*0.0066+0.01,0.06/*cm*/), normd0Cut=0.5; |
1072 | // "decay length" expo law with tau' = beta*gamma*ctau= p/m*ctau =p*0.0123/1.864~p*0.0066 | |
1073 | // decay lenght > ctau' implies to retain (1-1/e) (for signal without considering detector resolution), | |
c96634a2 | 1074 | |
937e1290 | 1075 | Int_t returnvalue=3; //cut passed |
1076 | for(Int_t i=0;i<2/*prongs*/;i++){ | |
1077 | if(TMath::Abs(d->Normalizedd0Prong(i))<normd0Cut) return 0; //normd0Cut not passed | |
1078 | } | |
be9cad0c | 1079 | if(d->DecayLength2()<decLengthCut*decLengthCut) return 0; //decLengthCut not passed |
1080 | if(d->NormalizedDecayLength2()<normDecLengthCut*normDecLengthCut) return 0; //decLengthCut not passed | |
29068278 | 1081 | |
c96634a2 | 1082 | return returnvalue; |
1083 | } | |
08ea5c32 | 1084 | |
5f25117b | 1085 | //---------------------------------------------- |
5f25117b | 1086 | void AliRDHFCutsD0toKpi::SetUseKF(Bool_t useKF) |
1087 | { | |
1088 | //switch on candidate selection via AliKFparticle | |
1089 | if(!useKF) return; | |
1090 | if(useKF){ | |
1091 | fUseKF=useKF; | |
1092 | Int_t nvarsKF=11; | |
1093 | SetNVars(nvarsKF); | |
1094 | TString varNamesKF[11]={"inv. mass [GeV]", | |
1095 | "dca [cm]", | |
1096 | "cosThetaStar", | |
1097 | "pTK [GeV/c]", | |
1098 | "pTPi [GeV/c]", | |
1099 | "d0K [cm]", | |
1100 | "d0Pi [cm]", | |
1101 | "d0d0 [cm^2]", | |
1102 | "cosThetaPoint" | |
1103 | "DecayLength[cm]", | |
1104 | "RedChi2"}; | |
1105 | Bool_t isUpperCutKF[11]={kTRUE, | |
1106 | kTRUE, | |
1107 | kTRUE, | |
1108 | kFALSE, | |
1109 | kFALSE, | |
1110 | kTRUE, | |
1111 | kTRUE, | |
1112 | kTRUE, | |
1113 | kFALSE, | |
1114 | kFALSE, | |
1115 | kTRUE}; | |
1116 | SetVarNames(nvarsKF,varNamesKF,isUpperCutKF); | |
1117 | SetGlobalIndex(); | |
1118 | Bool_t forOpt[11]={kFALSE, | |
1119 | kTRUE, | |
1120 | kTRUE, | |
1121 | kFALSE, | |
1122 | kFALSE, | |
1123 | kFALSE, | |
1124 | kFALSE, | |
1125 | kTRUE, | |
1126 | kTRUE, | |
29068278 | 1127 | kFALSE, |
1128 | kFALSE}; | |
5f25117b | 1129 | SetVarsForOpt(4,forOpt); |
1130 | } | |
1131 | return; | |
1132 | } | |
b14fe7f1 | 1133 | |
1134 | ||
73f4ccee | 1135 | void AliRDHFCutsD0toKpi::SetStandardCutsPP2010() { |
1136 | // | |
1137 | //STANDARD CUTS USED FOR 2010 pp analysis | |
1138 | //dca cut will be enlarged soon to 400 micron | |
1139 | // | |
b14fe7f1 | 1140 | |
1141 | SetName("D0toKpiCutsStandard"); | |
1142 | SetTitle("Standard Cuts for D0 analysis"); | |
1143 | ||
1144 | // PILE UP REJECTION | |
1145 | SetOptPileup(AliRDHFCuts::kRejectPileupEvent); | |
1146 | ||
1147 | // EVENT CUTS | |
1148 | SetMinVtxContr(1); | |
1149 | ||
1150 | ||
1151 | // TRACKS ON SINGLE TRACKS | |
1152 | AliESDtrackCuts *esdTrackCuts = new AliESDtrackCuts("AliESDtrackCuts","default"); | |
1153 | esdTrackCuts->SetRequireSigmaToVertex(kFALSE); | |
1154 | esdTrackCuts->SetRequireTPCRefit(kTRUE); | |
1155 | esdTrackCuts->SetRequireITSRefit(kTRUE); | |
1156 | // esdTrackCuts->SetMinNClustersITS(4); | |
1157 | esdTrackCuts->SetClusterRequirementITS(AliESDtrackCuts::kSPD,AliESDtrackCuts::kAny); | |
1158 | esdTrackCuts->SetMinDCAToVertexXY(0.); | |
1159 | esdTrackCuts->SetEtaRange(-0.8,0.8); | |
1160 | esdTrackCuts->SetPtRange(0.3,1.e10); | |
1161 | ||
1162 | AddTrackCuts(esdTrackCuts); | |
1163 | ||
cb665049 | 1164 | const Int_t nptbins =14; |
b14fe7f1 | 1165 | const Double_t ptmax = 9999.; |
29068278 | 1166 | const Int_t nvars=11; |
b14fe7f1 | 1167 | Float_t ptbins[nptbins+1]; |
1168 | ptbins[0]=0.; | |
1169 | ptbins[1]=0.5; | |
1170 | ptbins[2]=1.; | |
1171 | ptbins[3]=2.; | |
1172 | ptbins[4]=3.; | |
1173 | ptbins[5]=4.; | |
1174 | ptbins[6]=5.; | |
1175 | ptbins[7]=6.; | |
cb665049 | 1176 | ptbins[8]=7.; |
1177 | ptbins[9]=8.; | |
1178 | ptbins[10]=12.; | |
1179 | ptbins[11]=16.; | |
1180 | ptbins[12]=20.; | |
1181 | ptbins[13]=24.; | |
1182 | ptbins[14]=ptmax; | |
b14fe7f1 | 1183 | |
1184 | SetGlobalIndex(nvars,nptbins); | |
1185 | SetPtBins(nptbins+1,ptbins); | |
1186 | ||
cb665049 | 1187 | Float_t cutsMatrixD0toKpiStand[nptbins][nvars]={{0.400,350.*1E-4,0.8,0.5,0.5,1000.*1E-4,1000.*1E-4,-5000.*1E-8,0.80,0.,0.},/* pt<0.5*/ |
1188 | {0.400,350.*1E-4,0.8,0.5,0.5,1000.*1E-4,1000.*1E-4,-5000.*1E-8,0.80,0.,0.},/* 0.5<pt<1*/ | |
1189 | {0.400,300.*1E-4,0.8,0.4,0.4,1000.*1E-4,1000.*1E-4,-25000.*1E-8,0.80,0.,0.},/* 1<pt<2 */ | |
1190 | {0.400,300.*1E-4,0.8,0.7,0.7,1000.*1E-4,1000.*1E-4,-15000.*1E-8,0.85,0.,0.},/* 2<pt<3 */ | |
1191 | {0.400,300.*1E-4,0.8,0.7,0.7,1000.*1E-4,1000.*1E-4,-8000.*1E-8,0.85,0.,0.},/* 3<pt<4 */ | |
1192 | {0.400,300.*1E-4,0.8,0.7,0.7,1000.*1E-4,1000.*1E-4,-8000.*1E-8,0.85,0.,0.},/* 4<pt<5 */ | |
1193 | {0.400,300.*1E-4,0.8,0.7,0.7,1000.*1E-4,1000.*1E-4,-8000.*1E-8,0.85,0.,0.},/* 5<pt<6 */ | |
1194 | {0.400,300.*1E-4,0.8,0.7,0.7,1000.*1E-4,1000.*1E-4,-8000.*1E-8,0.85,0.,0.},/* 6<pt<7 */ | |
1195 | {0.400,300.*1E-4,0.8,0.7,0.7,1000.*1E-4,1000.*1E-4,-7000.*1E-8,0.85,0.,0.},/* 7<pt<8 */ | |
1196 | {0.400,300.*1E-4,0.9,0.7,0.7,1000.*1E-4,1000.*1E-4,-5000.*1E-8,0.85,0.,0.},/* 8<pt<12 */ | |
1197 | {0.400,300.*1E-4,1.0,0.7,0.7,1000.*1E-4,1000.*1E-4,10000.*1E-8,0.85,0.,0.},/* 12<pt<16 */ | |
1198 | {0.400,300.*1E-4,1.0,0.7,0.7,1000.*1E-4,1000.*1E-4,999999.*1E-8,0.85,0.,0.},/* 16<pt<20 */ | |
1199 | {0.400,300.*1E-4,1.0,0.7,0.7,1000.*1E-4,1000.*1E-4,999999.*1E-8,0.85,0.,0.},/* 20<pt<24 */ | |
1200 | {0.400,300.*1E-4,1.0,0.7,0.7,1000.*1E-4,1000.*1E-4,999999.*1E-8,0.85,0.,0.}};/* pt>24 */ | |
b14fe7f1 | 1201 | |
1202 | ||
1203 | //CREATE TRANSPOSE MATRIX...REVERSE INDICES as required by AliRDHFCuts | |
1204 | Float_t **cutsMatrixTransposeStand=new Float_t*[nvars]; | |
1205 | for(Int_t iv=0;iv<nvars;iv++)cutsMatrixTransposeStand[iv]=new Float_t[nptbins]; | |
1206 | ||
1207 | for (Int_t ibin=0;ibin<nptbins;ibin++){ | |
1208 | for (Int_t ivar = 0; ivar<nvars; ivar++){ | |
1209 | cutsMatrixTransposeStand[ivar][ibin]=cutsMatrixD0toKpiStand[ibin][ivar]; | |
1210 | } | |
1211 | } | |
1212 | ||
1213 | SetCuts(nvars,nptbins,cutsMatrixTransposeStand); | |
1214 | SetUseSpecialCuts(kTRUE); | |
1215 | SetRemoveDaughtersFromPrim(kTRUE); | |
1216 | ||
e11ae259 | 1217 | for(Int_t iv=0;iv<nvars;iv++) delete [] cutsMatrixTransposeStand[iv]; |
1218 | delete [] cutsMatrixTransposeStand; | |
1219 | cutsMatrixTransposeStand=NULL; | |
1220 | ||
b14fe7f1 | 1221 | // PID SETTINGS |
1222 | AliAODPidHF* pidObj=new AliAODPidHF(); | |
1223 | //pidObj->SetName("pid4D0"); | |
1224 | Int_t mode=1; | |
1225 | const Int_t nlims=2; | |
1226 | Double_t plims[nlims]={0.6,0.8}; //TPC limits in momentum [GeV/c] | |
1227 | Bool_t compat=kTRUE; //effective only for this mode | |
1228 | Bool_t asym=kTRUE; | |
1229 | Double_t sigmas[5]={2.,1.,0.,3.,0.}; //to be checked and to be modified with new implementation of setters by Rossella | |
1230 | pidObj->SetAsym(asym);// if you want to use the asymmetric bands in TPC | |
1231 | pidObj->SetMatch(mode); | |
1232 | pidObj->SetPLimit(plims,nlims); | |
1233 | pidObj->SetSigma(sigmas); | |
1234 | pidObj->SetCompat(compat); | |
1235 | pidObj->SetTPC(kTRUE); | |
1236 | pidObj->SetTOF(kTRUE); | |
cb665049 | 1237 | pidObj->SetPCompatTOF(1.5); |
1238 | pidObj->SetSigmaForTPCCompat(3.); | |
1239 | pidObj->SetSigmaForTOFCompat(3.); | |
1240 | ||
b14fe7f1 | 1241 | SetPidHF(pidObj); |
1242 | SetUsePID(kTRUE); | |
1243 | SetUseDefaultPID(kFALSE); | |
1244 | ||
1245 | ||
1246 | PrintAll(); | |
1247 | ||
e11ae259 | 1248 | delete pidObj; |
1249 | pidObj=NULL; | |
1250 | ||
b14fe7f1 | 1251 | return; |
1252 | ||
1253 | } | |
1254 | ||
1255 | ||
73f4ccee | 1256 | void AliRDHFCutsD0toKpi::SetStandardCutsPbPb2010() { |
1257 | // | |
1258 | //PRELIMINARY CUTS USED FOR 2010 PbPb analysis | |
1259 | //... EVOLVING SOON | |
1260 | // | |
b14fe7f1 | 1261 | |
1262 | SetName("D0toKpiCutsStandard"); | |
1263 | SetTitle("Standard Cuts for D0 analysis in PbPb2010 run"); | |
1264 | ||
1265 | // PILE UP REJECTION | |
1266 | //SetOptPileup(AliRDHFCuts::kRejectPileupEvent); | |
d8e690c9 | 1267 | // CENTRALITY SELECTION |
1268 | SetMinCentrality(0.); | |
4eeabdf3 | 1269 | SetMaxCentrality(80.); |
d8e690c9 | 1270 | SetUseCentrality(AliRDHFCuts::kCentV0M); |
1271 | ||
b14fe7f1 | 1272 | |
1273 | // EVENT CUTS | |
1274 | SetMinVtxContr(1); | |
d8e690c9 | 1275 | // MAX Z-VERTEX CUT |
1276 | SetMaxVtxZ(10.); | |
b14fe7f1 | 1277 | |
1278 | // TRACKS ON SINGLE TRACKS | |
1279 | AliESDtrackCuts *esdTrackCuts = new AliESDtrackCuts("AliESDtrackCuts","default"); | |
1280 | esdTrackCuts->SetRequireSigmaToVertex(kFALSE); | |
1281 | esdTrackCuts->SetRequireTPCRefit(kTRUE); | |
1282 | esdTrackCuts->SetRequireITSRefit(kTRUE); | |
1283 | // esdTrackCuts->SetMinNClustersITS(4); | |
1284 | esdTrackCuts->SetClusterRequirementITS(AliESDtrackCuts::kSPD,AliESDtrackCuts::kAny); | |
1285 | esdTrackCuts->SetMinDCAToVertexXY(0.); | |
1286 | esdTrackCuts->SetEtaRange(-0.8,0.8); | |
d8e690c9 | 1287 | esdTrackCuts->SetPtRange(0.8,1.e10); |
1288 | ||
1289 | esdTrackCuts->SetMaxDCAToVertexXY(1.); | |
1290 | esdTrackCuts->SetMaxDCAToVertexZ(1.); | |
c188c6e6 | 1291 | esdTrackCuts->SetMinDCAToVertexXYPtDep("0.0075*TMath::Max(0.,(1-TMath::Floor(TMath::Abs(pt)/2.)))"); |
d8e690c9 | 1292 | |
1293 | ||
b14fe7f1 | 1294 | AddTrackCuts(esdTrackCuts); |
d8e690c9 | 1295 | |
1296 | // CANDIDATE CUTS | |
b14fe7f1 | 1297 | const Int_t nptbins =13; |
1298 | const Double_t ptmax = 9999.; | |
29068278 | 1299 | const Int_t nvars=11; |
b14fe7f1 | 1300 | Float_t ptbins[nptbins+1]; |
1301 | ptbins[0]=0.; | |
1302 | ptbins[1]=0.5; | |
1303 | ptbins[2]=1.; | |
1304 | ptbins[3]=2.; | |
1305 | ptbins[4]=3.; | |
1306 | ptbins[5]=4.; | |
1307 | ptbins[6]=5.; | |
1308 | ptbins[7]=6.; | |
1309 | ptbins[8]=8.; | |
1310 | ptbins[9]=12.; | |
1311 | ptbins[10]=16.; | |
1312 | ptbins[11]=20.; | |
1313 | ptbins[12]=24.; | |
1314 | ptbins[13]=ptmax; | |
1315 | ||
1316 | SetGlobalIndex(nvars,nptbins); | |
1317 | SetPtBins(nptbins+1,ptbins); | |
d8e690c9 | 1318 | SetMinPtCandidate(2.); |
1319 | ||
c188c6e6 | 1320 | Float_t cutsMatrixD0toKpiStand[nptbins][nvars]={{0.400,400.*1E-4,0.8,0.3,0.3,1000.*1E-4,1000.*1E-4,-10000.*1E-8,0.85,0.,5.},/* pt<0.5*/ |
1321 | {0.400,400.*1E-4,0.8,0.3,0.3,1000.*1E-4,1000.*1E-4,-35000.*1E-8,0.9,0.,5.},/* 0.5<pt<1*/ | |
29068278 | 1322 | {0.400,400.*1E-4,0.8,0.4,0.4,1000.*1E-4,1000.*1E-4,-43000.*1E-8,0.85,0.,5.},/* 1<pt<2 */ |
1323 | {0.400,250.*1E-4,0.8,0.7,0.7,1000.*1E-4,1000.*1E-4,-40000.*1E-8,0.95,0.998,5.},/* 2<pt<3 */ | |
1324 | {0.400,250.*1E-4,0.8,0.7,0.7,1000.*1E-4,1000.*1E-4,-36000.*1E-8,0.95,0.998,5.},/* 3<pt<4 */ | |
1325 | {0.400,250.*1E-4,0.8,0.7,0.7,1000.*1E-4,1000.*1E-4,-27000.*1E-8,0.95,0.998,5.},/* 4<pt<5 */ | |
1326 | {0.400,250.*1E-4,0.8,0.7,0.7,1000.*1E-4,1000.*1E-4,-21000.*1E-8,0.92,0.998,5.},/* 5<pt<6 */ | |
1327 | {0.400,270.*1E-4,0.8,0.7,0.7,1000.*1E-4,1000.*1E-4,-14000.*1E-8,0.88,0.998,5.},/* 6<pt<8 */ | |
1328 | {0.400,300.*1E-4,0.8,0.7,0.7,1000.*1E-4,1000.*1E-4,-5000.*1E-8,0.85,0.998,5.},/* 8<pt<12 */ | |
1329 | {0.400,350.*1E-4,1.0,0.7,0.7,1000.*1E-4,1000.*1E-4,-1000.*1E-8,0.83,0.998,5.},/* 12<pt<16 */ | |
1330 | {0.400,400.*1E-4,1.0,0.7,0.7,1000.*1E-4,1000.*1E-4,-1000.*1E-8,0.82,0.998,5.},/* 16<pt<20 */ | |
1331 | {0.400,400.*1E-4,1.0,0.7,0.7,1000.*1E-4,1000.*1E-4,-1000.*1E-8,0.81,0.998,5.},/* 20<pt<24 */ | |
1332 | {0.400,400.*1E-4,1.0,0.7,0.7,1000.*1E-4,1000.*1E-4,-1000.*1E-8,0.8,0.998,5.}};/* pt>24 */ | |
b14fe7f1 | 1333 | |
1334 | ||
1335 | //CREATE TRANSPOSE MATRIX...REVERSE INDICES as required by AliRDHFCuts | |
1336 | Float_t **cutsMatrixTransposeStand=new Float_t*[nvars]; | |
1337 | for(Int_t iv=0;iv<nvars;iv++)cutsMatrixTransposeStand[iv]=new Float_t[nptbins]; | |
1338 | ||
1339 | for (Int_t ibin=0;ibin<nptbins;ibin++){ | |
1340 | for (Int_t ivar = 0; ivar<nvars; ivar++){ | |
1341 | cutsMatrixTransposeStand[ivar][ibin]=cutsMatrixD0toKpiStand[ibin][ivar]; | |
1342 | } | |
1343 | } | |
1344 | ||
1345 | SetCuts(nvars,nptbins,cutsMatrixTransposeStand); | |
1346 | SetUseSpecialCuts(kTRUE); | |
1347 | SetRemoveDaughtersFromPrim(kFALSE);// THIS IS VERY IMPORTANT! TOO SLOW IN PbPb | |
e11ae259 | 1348 | for(Int_t iv=0;iv<nvars;iv++) delete [] cutsMatrixTransposeStand[iv]; |
1349 | delete [] cutsMatrixTransposeStand; | |
1350 | cutsMatrixTransposeStand=NULL; | |
b14fe7f1 | 1351 | |
1352 | // PID SETTINGS | |
1353 | AliAODPidHF* pidObj=new AliAODPidHF(); | |
1354 | //pidObj->SetName("pid4D0"); | |
1355 | Int_t mode=1; | |
1356 | const Int_t nlims=2; | |
1357 | Double_t plims[nlims]={0.6,0.8}; //TPC limits in momentum [GeV/c] | |
1358 | Bool_t compat=kTRUE; //effective only for this mode | |
1359 | Bool_t asym=kTRUE; | |
1360 | Double_t sigmas[5]={2.,1.,0.,3.,0.}; //to be checked and to be modified with new implementation of setters by Rossella | |
1361 | pidObj->SetAsym(asym);// if you want to use the asymmetric bands in TPC | |
1362 | pidObj->SetMatch(mode); | |
1363 | pidObj->SetPLimit(plims,nlims); | |
1364 | pidObj->SetSigma(sigmas); | |
1365 | pidObj->SetCompat(compat); | |
1366 | pidObj->SetTPC(kTRUE); | |
1367 | pidObj->SetTOF(kTRUE); | |
c188c6e6 | 1368 | pidObj->SetPCompatTOF(2.); |
1369 | pidObj->SetSigmaForTPCCompat(3.); | |
1370 | pidObj->SetSigmaForTOFCompat(3.); | |
1371 | ||
1372 | ||
b14fe7f1 | 1373 | SetPidHF(pidObj); |
1374 | SetUsePID(kTRUE); | |
d8e690c9 | 1375 | SetUseDefaultPID(kFALSE); |
b14fe7f1 | 1376 | |
1377 | ||
1378 | PrintAll(); | |
1379 | ||
e11ae259 | 1380 | |
1381 | delete pidObj; | |
1382 | pidObj=NULL; | |
1383 | ||
b14fe7f1 | 1384 | return; |
1385 | ||
1386 | } |