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ba27eecd | 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 | ||
af5d687e | 16 | /* $Id$ */ |
17 | ||
ba27eecd | 18 | ///////////////////////////////////////////////////////////// |
19 | // | |
20 | // Class for cuts on AOD reconstructed D0->Kpipipi | |
21 | // | |
601736df | 22 | // Author: r.romita@gsi.de, andrea.dainese@pd.infn.it, |
ba27eecd | 23 | // fabio.colamaria@ba.infn.it |
24 | ///////////////////////////////////////////////////////////// | |
25 | ||
26 | #include <TDatabasePDG.h> | |
27 | #include <Riostream.h> | |
28 | ||
29 | #include "AliRDHFCutsD0toKpipipi.h" | |
30 | #include "AliAODRecoDecayHF4Prong.h" | |
31 | #include "AliAODTrack.h" | |
32 | #include "AliESDtrack.h" | |
601736df | 33 | #include "AliAODPidHF.h" |
ba27eecd | 34 | |
c64cb1f6 | 35 | using std::cout; |
36 | using std::endl; | |
37 | ||
ba27eecd | 38 | ClassImp(AliRDHFCutsD0toKpipipi) |
39 | ||
40 | //-------------------------------------------------------------------------- | |
41 | AliRDHFCutsD0toKpipipi::AliRDHFCutsD0toKpipipi(const char* name) : | |
42 | AliRDHFCuts(name) | |
43 | { | |
44 | // | |
45 | // Default Constructor | |
46 | // | |
47 | Int_t nvars=9; | |
48 | SetNVars(nvars); | |
49 | TString varNames[9]={"inv. mass [GeV]", | |
50 | "dca [cm]", | |
51 | "Dist 2-trk Vtx to PrimVtx [cm]", | |
52 | "Dist 3-trk Vtx to PrimVtx [cm]", | |
53 | "Dist 4-trk Vtx to PrimVtx [cm]", | |
54 | "cosThetaPoint", | |
55 | "pt [GeV/c]", | |
56 | "rho mass [GeV]", | |
57 | "PID cut"}; | |
58 | Bool_t isUpperCut[9]={kTRUE, | |
59 | kTRUE, | |
60 | kFALSE, | |
61 | kFALSE, | |
62 | kFALSE, | |
63 | kFALSE, | |
64 | kFALSE, | |
65 | kTRUE, | |
66 | kFALSE}; | |
67 | SetVarNames(nvars,varNames,isUpperCut); | |
68 | Bool_t forOpt[9]={kFALSE, | |
69 | kTRUE, | |
70 | kTRUE, | |
71 | kTRUE, | |
72 | kTRUE, | |
73 | kTRUE, | |
74 | kFALSE, | |
75 | kFALSE, | |
76 | kFALSE}; | |
77 | SetVarsForOpt(5,forOpt); | |
78 | Float_t limits[2]={0,999999999.}; | |
79 | SetPtBins(2,limits); | |
80 | } | |
81 | //-------------------------------------------------------------------------- | |
82 | AliRDHFCutsD0toKpipipi::AliRDHFCutsD0toKpipipi(const AliRDHFCutsD0toKpipipi &source) : | |
83 | AliRDHFCuts(source) | |
84 | { | |
85 | // | |
86 | // Copy constructor | |
87 | // | |
88 | ||
89 | } | |
90 | //-------------------------------------------------------------------------- | |
91 | AliRDHFCutsD0toKpipipi &AliRDHFCutsD0toKpipipi::operator=(const AliRDHFCutsD0toKpipipi &source) | |
92 | { | |
93 | // | |
94 | // assignment operator | |
95 | // | |
96 | if(&source == this) return *this; | |
97 | ||
98 | AliRDHFCuts::operator=(source); | |
99 | ||
100 | return *this; | |
101 | } | |
102 | ||
103 | ||
104 | //--------------------------------------------------------------------------- | |
105 | void AliRDHFCutsD0toKpipipi::GetCutVarsForOpt(AliAODRecoDecayHF *d,Float_t *vars,Int_t nvars,Int_t *pdgdaughters,AliAODEvent* aod) { | |
106 | // | |
107 | // Fills in vars the values of the variables | |
108 | // | |
109 | ||
110 | if(nvars!=fnVarsForOpt) { | |
111 | printf("AliRDHFCutsD0toKpipipi::GetCutsVarsForOpt: wrong number of variables\n"); | |
112 | return; | |
113 | } | |
114 | ||
115 | AliAODRecoDecayHF4Prong *dd = (AliAODRecoDecayHF4Prong*)d; | |
116 | ||
a6003e0a | 117 | //recalculate vertex w/o daughters |
118 | Bool_t cleanvtx=kFALSE; | |
119 | AliAODVertex *origownvtx=0x0; | |
120 | if(fRemoveDaughtersFromPrimary) { | |
121 | if(dd->GetOwnPrimaryVtx()) origownvtx=new AliAODVertex(*dd->GetOwnPrimaryVtx()); | |
122 | cleanvtx=kTRUE; | |
123 | if(!RecalcOwnPrimaryVtx(dd,aod)) { | |
124 | CleanOwnPrimaryVtx(dd,aod,origownvtx); | |
125 | cleanvtx=kFALSE; | |
126 | } | |
127 | } | |
128 | ||
ba27eecd | 129 | Int_t iter=-1; |
130 | ||
131 | if(fVarsForOpt[0]) { | |
132 | iter++; | |
133 | Double_t mD0[2],mD0bar[2]; | |
134 | if(TMath::Abs(pdgdaughters[1])==321 || TMath::Abs(pdgdaughters[3])==321) { | |
135 | dd->InvMassD0(mD0); | |
136 | if(TMath::Abs(pdgdaughters[1])==321) { | |
137 | vars[iter]=mD0[0]; | |
138 | }else{ | |
139 | vars[iter]=mD0[1]; | |
140 | } | |
141 | } else { | |
142 | dd->InvMassD0bar(mD0bar); | |
143 | if(TMath::Abs(pdgdaughters[0])==321) { | |
144 | vars[iter]=mD0bar[0]; | |
145 | }else{ | |
146 | vars[iter]=mD0bar[1]; | |
147 | } | |
148 | } | |
149 | } | |
150 | ||
151 | if(fVarsForOpt[1]){ | |
152 | iter++; | |
153 | vars[iter]=dd->GetDCA(); | |
154 | } | |
155 | ||
156 | if(fVarsForOpt[2]){ | |
157 | iter++; | |
158 | vars[iter]=dd->GetDist12toPrim(); | |
159 | } | |
160 | if(fVarsForOpt[3]){ | |
161 | iter++; | |
162 | vars[iter]=dd->GetDist3toPrim(); | |
163 | } | |
164 | if(fVarsForOpt[4]){ | |
165 | iter++; | |
166 | vars[iter]=dd->GetDist4toPrim(); | |
167 | } | |
168 | if(fVarsForOpt[5]){ | |
169 | iter++; | |
170 | vars[iter]=dd->CosPointingAngle(); | |
171 | } | |
172 | if(fVarsForOpt[6]){ | |
173 | iter++; | |
174 | vars[iter]=dd->Pt(); | |
175 | } | |
176 | if(fVarsForOpt[7]){ | |
177 | iter++; | |
178 | vars[iter]=999999999.; | |
179 | printf("ERROR: optmization for rho mass cut not implemented\n"); | |
180 | } | |
181 | if(fVarsForOpt[8]){ | |
182 | iter++; | |
183 | vars[iter]=999999999.; | |
184 | printf("ERROR: optmization for PID cut not implemented\n"); | |
185 | } | |
186 | ||
a6003e0a | 187 | if(cleanvtx)CleanOwnPrimaryVtx(dd,aod,origownvtx); |
ba27eecd | 188 | return; |
189 | } | |
190 | //--------------------------------------------------------------------------- | |
191 | Int_t AliRDHFCutsD0toKpipipi::IsSelected(TObject* obj,Int_t selectionLevel) { | |
192 | // | |
193 | // Apply selection | |
194 | // | |
195 | ||
196 | if(!fCutsRD){ | |
197 | cout<<"Cut matrix not inizialized. Exit..."<<endl; | |
198 | return 0; | |
199 | } | |
200 | //PrintAll(); | |
201 | AliAODRecoDecayHF4Prong* d=(AliAODRecoDecayHF4Prong*)obj; | |
202 | ||
203 | if(!d){ | |
204 | cout<<"AliAODRecoDecayHF4Prong null"<<endl; | |
205 | return 0; | |
206 | } | |
207 | ||
208 | Double_t ptD=d->Pt(); | |
209 | if(ptD<fMinPtCand) return 0; | |
601736df | 210 | if(ptD>fMaxPtCand) return 0; |
ba27eecd | 211 | |
3e075b37 | 212 | if(fUseTrackSelectionWithFilterBits && d->HasBadDaughters()) return 0; |
ba27eecd | 213 | |
214 | // selection on daughter tracks | |
215 | if(selectionLevel==AliRDHFCuts::kAll || | |
216 | selectionLevel==AliRDHFCuts::kTracks) { | |
217 | if(!AreDaughtersSelected(d)) return 0; | |
218 | } | |
219 | ||
220 | ||
221 | Int_t returnvalue=1; | |
222 | ||
223 | // selection on candidate | |
224 | if(selectionLevel==AliRDHFCuts::kAll || | |
225 | selectionLevel==AliRDHFCuts::kCandidate) { | |
226 | ||
227 | Int_t ptbin=PtBin(d->Pt()); | |
601736df | 228 | |
ba27eecd | 229 | Int_t okD0=1,okD0bar=1; |
230 | Double_t mD0[2],mD0bar[2]; | |
231 | Double_t mD0PDG = TDatabasePDG::Instance()->GetParticle(421)->Mass(); | |
232 | ||
233 | d->InvMassD0(mD0); | |
234 | if(TMath::Abs(mD0[0]-mD0PDG) > fCutsRD[GetGlobalIndex(0,ptbin)] && | |
235 | TMath::Abs(mD0[1]-mD0PDG) > fCutsRD[GetGlobalIndex(0,ptbin)]) okD0 = 0; | |
236 | d->InvMassD0bar(mD0bar); | |
237 | if(TMath::Abs(mD0bar[0]-mD0PDG) > fCutsRD[GetGlobalIndex(0,ptbin)] && | |
238 | TMath::Abs(mD0bar[1]-mD0PDG) > fCutsRD[GetGlobalIndex(0,ptbin)]) okD0bar = 0; | |
239 | if(!okD0 && !okD0bar) return 0; | |
240 | ||
601736df | 241 | if(d->GetDCA() > fCutsRD[GetGlobalIndex(1,ptbin)] |
242 | || d->GetDCA(3) > fCutsRD[GetGlobalIndex(1,ptbin)] | |
243 | || d->GetDCA(2) > fCutsRD[GetGlobalIndex(1,ptbin)] | |
ba27eecd | 244 | || d->GetDCA(5) > fCutsRD[GetGlobalIndex(1,ptbin)]) return 0; |
245 | if(d->GetDist12toPrim() < fCutsRD[GetGlobalIndex(2,ptbin)]) return 0; | |
246 | if(d->GetDist3toPrim() < fCutsRD[GetGlobalIndex(3,ptbin)]) return 0; | |
247 | if(d->GetDist4toPrim() < fCutsRD[GetGlobalIndex(4,ptbin)]) return 0; | |
248 | if(d->CosPointingAngle() < fCutsRD[GetGlobalIndex(5,ptbin)]) return 0; | |
249 | if(d->Pt() < fCutsRD[GetGlobalIndex(6,ptbin)]) return 0; | |
250 | if(!d->CutRhoMass(mD0,mD0bar,fCutsRD[GetGlobalIndex(0,ptbin)],fCutsRD[GetGlobalIndex(7,ptbin)])) return 0; | |
251 | ||
252 | if (okD0) returnvalue=1; //cuts passed as D0 | |
253 | if (okD0bar) returnvalue=2; //cuts passed as D0bar | |
254 | if (okD0 && okD0bar) returnvalue=3; //cuts passed as D0 and D0bar | |
255 | } | |
256 | ||
257 | // selection on PID (from AliAODPidHF) | |
258 | if(selectionLevel==AliRDHFCuts::kAll || | |
259 | selectionLevel==AliRDHFCuts::kPID) { | |
601736df | 260 | |
261 | Int_t selD01 = D01Selected(d,AliRDHFCuts::kCandidate); | |
262 | Int_t selD02 = D02Selected(d,AliRDHFCuts::kCandidate); | |
263 | Int_t selD0bar1 = D0bar1Selected(d,AliRDHFCuts::kCandidate); | |
264 | Int_t selD0bar2 = D0bar2Selected(d,AliRDHFCuts::kCandidate); | |
265 | ||
266 | Int_t d01PID = 0, d02PID = 0, d0bar1PID = 0, d0bar2PID = 0; | |
267 | returnvalue = IsSelectedFromPID(d, &d01PID, &d02PID, &d0bar1PID, &d0bar2PID); //This returnvalue is dummy! Now it's modified as it must be! | |
268 | ||
269 | returnvalue = 0; | |
270 | ||
ba27eecd | 271 | if((selD01 == 1 && d01PID == 1)||(selD02 == 1 && d02PID == 1)||(selD0bar1 == 1 && d0bar1PID == 1)||(selD0bar2 == 1 && d0bar2PID == 1)) returnvalue = 1; |
601736df | 272 | } |
273 | ||
ba27eecd | 274 | return returnvalue; |
601736df | 275 | } |
ba27eecd | 276 | |
277 | //--------------------------------------------------------------------------- | |
278 | Int_t AliRDHFCutsD0toKpipipi::IsSelectedFromPID(AliAODRecoDecayHF4Prong *d, Int_t *hyp1, Int_t *hyp2, Int_t *hyp3, Int_t *hyp4) { | |
279 | // | |
601736df | 280 | // Apply selection (using AliAODPidHF methods) |
ba27eecd | 281 | // Mass hypothesis true if each particle is at least compatible with specie of hypothesis |
282 | // | |
601736df | 283 | |
284 | Int_t output=0; | |
285 | ||
286 | Int_t matchK[4], matchPi[4]; | |
ba27eecd | 287 | Double_t ptlimit[2] = {0.6,0.8}; |
601736df | 288 | AliAODTrack* trk[4]; |
289 | trk[0] = (AliAODTrack*)d->GetDaughter(0); | |
290 | trk[1] = (AliAODTrack*)d->GetDaughter(1); | |
291 | trk[2] = (AliAODTrack*)d->GetDaughter(2); | |
292 | trk[3] = (AliAODTrack*)d->GetDaughter(3); | |
293 | // if(!trk[0] || !trk[1] || !trk[2] || !trk[3]) { //REMOVED (needs also AliAODEvent to be passed, here and in IsSelected method) | |
294 | // trk[0]=aodIn->GetTrack(trkIDtoEntry[d->GetProngID(0)]); | |
295 | // trk[1]=aodIn->GetTrack(trkIDtoEntry[d->GetProngID(1)]); | |
296 | // trk[2]=aodIn->GetTrack(trkIDtoEntry[d->GetProngID(2)]); | |
297 | // trk[3]=aodIn->GetTrack(trkIDtoEntry[d->GetProngID(3)]);} | |
298 | ||
70e398d3 | 299 | AliAODPidHF* pidObj = new AliAODPidHF(); |
300 | pidObj->SetAsym(kTRUE); | |
301 | pidObj->SetPLimit(ptlimit); | |
302 | pidObj->SetSigma(0,2.); //TPC sigma, in three pT ranges | |
303 | pidObj->SetSigma(1,1.); | |
304 | pidObj->SetSigma(2,0.); | |
305 | pidObj->SetSigma(3,2.); //TOF sigma, whole pT range | |
306 | pidObj->SetTPC(kTRUE); | |
307 | pidObj->SetTOF(kTRUE); | |
308 | pidObj->SetMatch(1); | |
309 | pidObj->SetCompat(kTRUE); | |
601736df | 310 | for(Int_t ii=0; ii<4; ii++) { |
70e398d3 | 311 | pidObj->SetSigma(0,2.); |
312 | matchK[ii] = pidObj->MatchTPCTOF(trk[ii],3); //arguments: track, mode, particle#, compatibility allowed | |
313 | pidObj->SetSigma(0,2.); | |
314 | matchPi[ii] = pidObj->MatchTPCTOF(trk[ii],2); | |
601736df | 315 | } |
316 | ||
317 | //Rho invariant mass under various hypotheses (to be matched with PID infos in order to accet the candidate) | |
318 | Int_t d01rho03 = 0, d01rho23 = 0, d02rho01 = 0, d02rho12 = 0, d0bar1rho12 = 0, d0bar1rho23 = 0, d0bar2rho01 = 0, d0bar2rho03 = 0; | |
319 | if(TMath::Abs(0.775 - d->InvMassRho(0,3))<0.1) {d01rho03 = 1; d0bar2rho03 = 1;} | |
320 | if(TMath::Abs(0.775 - d->InvMassRho(2,3))<0.1) {d01rho23 = 1; d0bar1rho23 = 1;} | |
321 | if(TMath::Abs(0.775 - d->InvMassRho(0,1))<0.1) {d02rho01 = 1; d0bar2rho01 = 1;} | |
322 | if(TMath::Abs(0.775 - d->InvMassRho(1,2))<0.1) {d02rho12 = 1; d0bar1rho12 = 1;} | |
323 | Int_t d01rho = 0, d02rho = 0, d0bar1rho = 0, d0bar2rho = 0; | |
324 | if(d01rho03==1||d01rho23==1) d01rho = 1; | |
325 | if(d02rho01==1||d02rho12==1) d02rho = 1; | |
326 | if(d0bar1rho12==1||d0bar1rho23==1) d0bar1rho = 1; | |
327 | if(d0bar2rho01==1||d0bar2rho03==1) d0bar2rho = 1; | |
328 | ||
ba27eecd | 329 | //This way because there could be multiple hypotheses accepted |
601736df | 330 | if(d01rho==1 && (matchK[1]>=0 && matchPi[0]>=0 && matchPi[2]>=0 && matchPi[3]>=0)) {*hyp1 = 1; output = 1;} //d01 hyp |
331 | if(d02rho==1 && (matchK[3]>=0 && matchPi[0]>=0 && matchPi[1]>=0 && matchPi[2]>=0)) {*hyp2 = 1; output = 1;} //d02 hyp | |
332 | if(d0bar1rho==1 && (matchK[0]>=0 && matchPi[1]>=0 && matchPi[2]>=0 && matchPi[3]>=0)) {*hyp3 = 1; output = 1;} //d0bar1 hyp | |
333 | if(d0bar2rho==1 && (matchK[2]>=0 && matchPi[0]>=0 && matchPi[1]>=0 && matchPi[3]>=0)) {*hyp4 = 1; output = 1;} //d0bar2 hyp | |
334 | ||
ba27eecd | 335 | return output; |
601736df | 336 | } |
ba27eecd | 337 | //--------------------------------------------------------------------------- |
338 | Int_t AliRDHFCutsD0toKpipipi::D01Selected(TObject* obj,Int_t selectionLevel) { | |
339 | // | |
340 | // Apply selection | |
341 | // | |
342 | ||
343 | if(!fCutsRD){ | |
344 | cout<<"Cut matrix not inizialized. Exit..."<<endl; | |
345 | return 0; | |
346 | } | |
347 | //PrintAll(); | |
348 | AliAODRecoDecayHF4Prong* d=(AliAODRecoDecayHF4Prong*)obj; | |
349 | ||
350 | if(!d){ | |
351 | cout<<"AliAODRecoDecayHF4Prong null"<<endl; | |
352 | return 0; | |
353 | } | |
354 | ||
355 | Int_t returnvalue=0; | |
356 | ||
357 | // selection on candidate | |
358 | if(selectionLevel==AliRDHFCuts::kAll || | |
359 | selectionLevel==AliRDHFCuts::kCandidate) { | |
360 | ||
361 | Int_t ptbin=PtBin(d->Pt()); | |
362 | ||
363 | Double_t mD0[2]; | |
364 | Double_t mD0PDG = TDatabasePDG::Instance()->GetParticle(421)->Mass(); | |
365 | ||
366 | d->InvMassD0(mD0); | |
367 | if(TMath::Abs(mD0[0]-mD0PDG) < fCutsRD[GetGlobalIndex(0,ptbin)]) returnvalue = 1; | |
368 | } | |
369 | ||
370 | return returnvalue; | |
371 | } | |
372 | //--------------------------------------------------------------------------- | |
373 | Int_t AliRDHFCutsD0toKpipipi::D02Selected(TObject* obj,Int_t selectionLevel) { | |
374 | // | |
375 | // Apply selection | |
376 | // | |
377 | ||
378 | if(!fCutsRD){ | |
379 | cout<<"Cut matrix not inizialized. Exit..."<<endl; | |
380 | return 0; | |
381 | } | |
382 | //PrintAll(); | |
383 | AliAODRecoDecayHF4Prong* d=(AliAODRecoDecayHF4Prong*)obj; | |
384 | ||
385 | if(!d){ | |
386 | cout<<"AliAODRecoDecayHF4Prong null"<<endl; | |
387 | return 0; | |
388 | } | |
389 | ||
390 | Int_t returnvalue=0; | |
391 | ||
392 | // selection on candidate | |
393 | if(selectionLevel==AliRDHFCuts::kAll || | |
394 | selectionLevel==AliRDHFCuts::kCandidate) { | |
395 | ||
396 | Int_t ptbin=PtBin(d->Pt()); | |
397 | ||
398 | Double_t mD0[2]; | |
399 | Double_t mD0PDG = TDatabasePDG::Instance()->GetParticle(421)->Mass(); | |
400 | ||
401 | d->InvMassD0(mD0); | |
601736df | 402 | if(TMath::Abs(mD0[1]-mD0PDG) < fCutsRD[GetGlobalIndex(0,ptbin)]) returnvalue = 1; |
ba27eecd | 403 | } |
404 | ||
405 | return returnvalue; | |
406 | }//--------------------------------------------------------------------------- | |
407 | Int_t AliRDHFCutsD0toKpipipi::D0bar1Selected(TObject* obj,Int_t selectionLevel) { | |
408 | // | |
409 | // Apply selection | |
410 | // | |
411 | ||
412 | if(!fCutsRD){ | |
413 | cout<<"Cut matrix not inizialized. Exit..."<<endl; | |
414 | return 0; | |
415 | } | |
416 | //PrintAll(); | |
417 | AliAODRecoDecayHF4Prong* d=(AliAODRecoDecayHF4Prong*)obj; | |
418 | ||
419 | if(!d){ | |
420 | cout<<"AliAODRecoDecayHF4Prong null"<<endl; | |
421 | return 0; | |
422 | } | |
423 | ||
424 | Int_t returnvalue=0; | |
425 | ||
426 | // selection on candidate | |
427 | if(selectionLevel==AliRDHFCuts::kAll || | |
428 | selectionLevel==AliRDHFCuts::kCandidate) { | |
429 | ||
430 | Int_t ptbin=PtBin(d->Pt()); | |
431 | ||
432 | Double_t mD0bar[2]; | |
433 | Double_t mD0PDG = TDatabasePDG::Instance()->GetParticle(421)->Mass(); | |
434 | ||
435 | d->InvMassD0bar(mD0bar); | |
436 | if(TMath::Abs(mD0bar[0]-mD0PDG) < fCutsRD[GetGlobalIndex(0,ptbin)]) returnvalue = 1; | |
437 | } | |
438 | ||
439 | return returnvalue; | |
601736df | 440 | } |
ba27eecd | 441 | //--------------------------------------------------------------------------- |
442 | Int_t AliRDHFCutsD0toKpipipi::D0bar2Selected(TObject* obj,Int_t selectionLevel) { | |
443 | // | |
444 | // Apply selection | |
445 | // | |
446 | ||
447 | if(!fCutsRD){ | |
448 | cout<<"Cut matrix not inizialized. Exit..."<<endl; | |
449 | return 0; | |
450 | } | |
451 | //PrintAll(); | |
452 | AliAODRecoDecayHF4Prong* d=(AliAODRecoDecayHF4Prong*)obj; | |
453 | ||
454 | if(!d){ | |
455 | cout<<"AliAODRecoDecayHF4Prong null"<<endl; | |
456 | return 0; | |
457 | } | |
458 | ||
459 | Int_t returnvalue=0; | |
460 | ||
461 | // selection on candidate | |
462 | if(selectionLevel==AliRDHFCuts::kAll || | |
463 | selectionLevel==AliRDHFCuts::kCandidate) { | |
464 | ||
465 | Int_t ptbin=PtBin(d->Pt()); | |
466 | ||
467 | Double_t mD0bar[2]; | |
468 | Double_t mD0PDG = TDatabasePDG::Instance()->GetParticle(421)->Mass(); | |
469 | ||
470 | d->InvMassD0bar(mD0bar); | |
471 | if(TMath::Abs(mD0bar[1]-mD0PDG) < fCutsRD[GetGlobalIndex(0,ptbin)]) returnvalue = 1; | |
472 | } | |
473 | ||
474 | return returnvalue; | |
601736df | 475 | } |
476 | //--------------------------------------------------------------------------- | |
477 | Bool_t AliRDHFCutsD0toKpipipi::IsInFiducialAcceptance(Double_t pt, Double_t y) const | |
478 | { | |
479 | // | |
480 | // Checking if D0 is in fiducial acceptance region | |
481 | // | |
482 | ||
af5d687e | 483 | if(fMaxRapidityCand>-998.){ |
484 | if(TMath::Abs(y) > fMaxRapidityCand) return kFALSE; | |
485 | else return kTRUE; | |
486 | } | |
487 | ||
601736df | 488 | if(pt > 5.) { |
489 | // applying cut for pt > 5 GeV | |
490 | AliDebug(4,Form("pt of D0 = %f (> 5), cutting at |y| < 0.8\n",pt)); | |
491 | if (TMath::Abs(y) > 0.8){ | |
492 | return kFALSE; | |
493 | } | |
494 | } else { | |
495 | // appliying smooth cut for pt < 5 GeV | |
496 | Double_t maxFiducialY = -0.2/15*pt*pt+1.9/15*pt+0.5; | |
497 | Double_t minFiducialY = 0.2/15*pt*pt-1.9/15*pt-0.5; | |
498 | AliDebug(4,Form("pt of D0 = %f (< 5), cutting according to the fiducial zone [%f, %f]\n",pt,minFiducialY,maxFiducialY)); | |
499 | if (y < minFiducialY || y > maxFiducialY){ | |
500 | return kFALSE; | |
501 | } | |
502 | } | |
503 | ||
504 | return kTRUE; | |
505 | } | |
506 |