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e3d40058 | 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 | ||
e3d40058 | 18 | ///////////////////////////////////////////////////////////// |
19 | // | |
20 | // Class for cuts on AOD reconstructed Lc->pKpi | |
21 | // | |
22 | // Author: A.Dainese, andrea.dainese@pd.infn.it | |
23 | ///////////////////////////////////////////////////////////// | |
24 | ||
25 | #include <TDatabasePDG.h> | |
26 | #include <Riostream.h> | |
27 | ||
28 | #include "AliRDHFCutsLctopKpi.h" | |
29 | #include "AliAODRecoDecayHF3Prong.h" | |
7ad4b782 | 30 | #include "AliRDHFCuts.h" |
e3d40058 | 31 | #include "AliAODTrack.h" |
32 | #include "AliESDtrack.h" | |
7ad4b782 | 33 | #include "AliKFParticle.h" |
34 | #include "AliESDVertex.h" | |
e3d40058 | 35 | |
36 | ClassImp(AliRDHFCutsLctopKpi) | |
37 | ||
38 | //-------------------------------------------------------------------------- | |
a9b75906 | 39 | AliRDHFCutsLctopKpi::AliRDHFCutsLctopKpi(const char* name) : |
7ad4b782 | 40 | AliRDHFCuts(name), |
41 | fPidObjprot(0), | |
42 | fPidObjpion(0), | |
c1234468 | 43 | fUseImpParProdCorrCut(kFALSE), |
44 | fPIDStrategy(kNSigma), | |
45 | fCutsStrategy(kStandard) | |
e3d40058 | 46 | { |
47 | // | |
48 | // Default Constructor | |
49 | // | |
a7b533b7 | 50 | Int_t nvars=13; |
e3d40058 | 51 | SetNVars(nvars); |
a7b533b7 | 52 | TString varNames[13]={"inv. mass [GeV]", |
a8b8e864 | 53 | "pTK [GeV/c]", |
a7b533b7 | 54 | "pTP [GeV/c]", |
a8b8e864 | 55 | "d0K [cm] lower limit!", |
e3d40058 | 56 | "d0Pi [cm] lower limit!", |
57 | "dist12 (cm)", | |
58 | "sigmavert (cm)", | |
59 | "dist prim-sec (cm)", | |
60 | "pM=Max{pT1,pT2,pT3} (GeV/c)", | |
61 | "cosThetaPoint", | |
62 | "Sum d0^2 (cm^2)", | |
a7b533b7 | 63 | "dca cut (cm)", |
64 | "cut on pTpion [GeV/c]"}; | |
65 | Bool_t isUpperCut[13]={kTRUE, | |
e3d40058 | 66 | kFALSE, |
67 | kFALSE, | |
68 | kFALSE, | |
69 | kFALSE, | |
70 | kFALSE, | |
71 | kTRUE, | |
72 | kFALSE, | |
73 | kFALSE, | |
74 | kFALSE, | |
75 | kFALSE, | |
a7b533b7 | 76 | kTRUE, |
77 | kFALSE | |
78 | }; | |
e3d40058 | 79 | SetVarNames(nvars,varNames,isUpperCut); |
a7b533b7 | 80 | Bool_t forOpt[13]={kFALSE, |
81 | kTRUE, | |
82 | kTRUE, | |
e3d40058 | 83 | kFALSE, |
84 | kFALSE, | |
85 | kFALSE, | |
86 | kFALSE, | |
87 | kTRUE, | |
a7b533b7 | 88 | kFALSE, |
89 | kFALSE, | |
90 | kFALSE, | |
91 | kFALSE, | |
92 | kTRUE}; | |
93 | SetVarsForOpt(4,forOpt); | |
e3d40058 | 94 | Float_t limits[2]={0,999999999.}; |
95 | SetPtBins(2,limits); | |
c1234468 | 96 | for (Int_t ispecies=0;ispecies<AliPID::kSPECIES;++ispecies) |
97 | fPIDThreshold[ispecies]=0.; | |
e3d40058 | 98 | } |
99 | //-------------------------------------------------------------------------- | |
100 | AliRDHFCutsLctopKpi::AliRDHFCutsLctopKpi(const AliRDHFCutsLctopKpi &source) : | |
7ad4b782 | 101 | AliRDHFCuts(source), |
f5e92b8a | 102 | fPidObjprot(new AliAODPidHF(*(source.fPidObjprot))), |
103 | fPidObjpion(new AliAODPidHF(*(source.fPidObjpion))), | |
c1234468 | 104 | fUseImpParProdCorrCut(source.fUseImpParProdCorrCut), |
105 | fPIDStrategy(source.fPIDStrategy), | |
106 | fCutsStrategy(source.fCutsStrategy) | |
e3d40058 | 107 | { |
108 | // | |
109 | // Copy constructor | |
110 | // | |
f5e92b8a | 111 | memcpy(fPIDThreshold,source.fPIDThreshold,AliPID::kSPECIES*sizeof(Double_t)); |
e3d40058 | 112 | } |
113 | //-------------------------------------------------------------------------- | |
114 | AliRDHFCutsLctopKpi &AliRDHFCutsLctopKpi::operator=(const AliRDHFCutsLctopKpi &source) | |
115 | { | |
116 | // | |
117 | // assignment operator | |
118 | // | |
f5e92b8a | 119 | if(this != &source) { |
120 | ||
121 | AliRDHFCuts::operator=(source); | |
122 | delete fPidObjprot; | |
123 | fPidObjprot = new AliAODPidHF(*(source.fPidObjprot)); | |
124 | delete fPidObjpion; | |
125 | fPidObjpion = new AliAODPidHF(*(source.fPidObjpion)); | |
126 | fPIDStrategy=source.fPIDStrategy; | |
127 | fCutsStrategy=source.fCutsStrategy; | |
128 | memcpy(fPIDThreshold,source.fPIDThreshold,AliPID::kSPECIES*sizeof(Double_t)); | |
129 | } | |
130 | ||
e3d40058 | 131 | return *this; |
132 | } | |
7ad4b782 | 133 | //--------------------------------------------------------------------------- |
134 | AliRDHFCutsLctopKpi::~AliRDHFCutsLctopKpi() { | |
135 | // | |
136 | // // Default Destructor | |
137 | // | |
138 | if(fPidObjpion){ | |
139 | delete fPidObjpion; | |
140 | fPidObjpion=0; | |
141 | } | |
142 | if(fPidObjprot){ | |
143 | delete fPidObjprot; | |
144 | fPidObjprot=0; | |
145 | } | |
e3d40058 | 146 | |
7ad4b782 | 147 | } |
e3d40058 | 148 | |
149 | //--------------------------------------------------------------------------- | |
e0fb900a | 150 | void AliRDHFCutsLctopKpi::GetCutVarsForOpt(AliAODRecoDecayHF *d,Float_t *vars,Int_t nvars,Int_t *pdgdaughters, AliAODEvent *aod) { |
e3d40058 | 151 | // |
152 | // Fills in vars the values of the variables | |
153 | // | |
154 | ||
155 | if(nvars!=fnVarsForOpt) { | |
156 | printf("AliRDHFCutsLctopKpi::GetCutsVarsForOpt: wrong number of variables\n"); | |
157 | return; | |
158 | } | |
159 | ||
160 | AliAODRecoDecayHF3Prong *dd = (AliAODRecoDecayHF3Prong*)d; | |
161 | ||
162 | Int_t iter=-1; | |
163 | if(fVarsForOpt[0]){ | |
164 | iter++; | |
165 | vars[iter]=dd->InvMassLcpKpi(); | |
166 | } | |
167 | if(fVarsForOpt[1]){ | |
168 | iter++; | |
169 | for(Int_t iprong=0;iprong<3;iprong++){ | |
a7b533b7 | 170 | if(TMath::Abs(pdgdaughters[iprong])==321) { |
e3d40058 | 171 | vars[iter]=dd->PtProng(iprong); |
172 | } | |
173 | } | |
174 | } | |
175 | if(fVarsForOpt[2]){ | |
176 | iter++; | |
177 | for(Int_t iprong=0;iprong<3;iprong++){ | |
a7b533b7 | 178 | if(TMath::Abs(pdgdaughters[iprong])==2212) { |
e3d40058 | 179 | vars[iter]=dd->PtProng(iprong); |
180 | } | |
181 | } | |
182 | } | |
183 | if(fVarsForOpt[3]){ | |
184 | iter++; | |
185 | for(Int_t iprong=0;iprong<3;iprong++){ | |
186 | if(TMath::Abs(pdgdaughters[iprong])==2212) { | |
187 | vars[iter]=dd->Getd0Prong(iprong); | |
188 | } | |
189 | } | |
190 | } | |
191 | if(fVarsForOpt[4]){ | |
192 | iter++; | |
193 | for(Int_t iprong=0;iprong<3;iprong++){ | |
194 | if(TMath::Abs(pdgdaughters[iprong])==211) { | |
195 | vars[iter]=dd->Getd0Prong(iprong); | |
196 | } | |
197 | } | |
198 | } | |
199 | if(fVarsForOpt[5]){ | |
200 | iter++; | |
201 | vars[iter]=dd->GetDist12toPrim(); | |
202 | } | |
203 | if(fVarsForOpt[6]){ | |
204 | iter++; | |
e0fb900a | 205 | vars[iter]=dd->GetSigmaVert(aod); |
e3d40058 | 206 | } |
207 | if(fVarsForOpt[7]){ | |
208 | iter++; | |
209 | vars[iter] = dd->DecayLength(); | |
210 | } | |
211 | if(fVarsForOpt[8]){ | |
212 | iter++; | |
213 | Float_t ptmax=0; | |
214 | for(Int_t i=0;i<3;i++){ | |
215 | if(dd->PtProng(i)>ptmax)ptmax=dd->PtProng(i); | |
216 | } | |
217 | vars[iter]=ptmax; | |
218 | } | |
219 | if(fVarsForOpt[9]){ | |
220 | iter++; | |
221 | vars[iter]=dd->CosPointingAngle(); | |
222 | } | |
223 | if(fVarsForOpt[10]){ | |
224 | iter++; | |
225 | vars[iter]=dd->Getd0Prong(0)*dd->Getd0Prong(0)+dd->Getd0Prong(1)*dd->Getd0Prong(1)+dd->Getd0Prong(2)*dd->Getd0Prong(2); | |
226 | } | |
227 | if(fVarsForOpt[11]){ | |
228 | iter++; | |
229 | vars[iter]=dd->GetDCA(); | |
230 | } | |
a7b533b7 | 231 | if(fVarsForOpt[12]){ |
232 | iter++; | |
233 | for(Int_t iprong=0;iprong<3;iprong++){ | |
234 | if(TMath::Abs(pdgdaughters[iprong])==211) { | |
235 | vars[iter]=dd->PtProng(iprong); | |
236 | } | |
237 | } | |
238 | } | |
e3d40058 | 239 | |
240 | return; | |
241 | } | |
242 | //--------------------------------------------------------------------------- | |
7ad4b782 | 243 | Int_t AliRDHFCutsLctopKpi::IsSelected(TObject* obj,Int_t selectionLevel,AliAODEvent *aod) { |
e3d40058 | 244 | // |
245 | // Apply selection | |
246 | // | |
247 | ||
248 | if(!fCutsRD){ | |
249 | cout<<"Cut matrice not inizialized. Exit..."<<endl; | |
250 | return 0; | |
251 | } | |
252 | //PrintAll(); | |
253 | AliAODRecoDecayHF3Prong* d=(AliAODRecoDecayHF3Prong*)obj; | |
254 | ||
255 | if(!d){ | |
256 | cout<<"AliAODRecoDecayHF3Prong null"<<endl; | |
257 | return 0; | |
258 | } | |
259 | ||
260 | ||
5e938293 | 261 | if(fKeepSignalMC) if(IsSignalMC(d,aod,4122)) return 3; |
e3d40058 | 262 | |
228974b3 | 263 | Int_t returnvalue=3; |
7ad4b782 | 264 | Int_t returnvaluePID=3; |
265 | ||
47aa3d55 | 266 | if(d->Pt()<fMinPtCand) return 0; |
267 | if(d->Pt()>fMaxPtCand) return 0; | |
e3d40058 | 268 | |
ba27eecd | 269 | if(d->HasBadDaughters()) return 0; |
270 | ||
c1234468 | 271 | if(selectionLevel==AliRDHFCuts::kAll || |
272 | selectionLevel==AliRDHFCuts::kCandidate|| | |
273 | selectionLevel==AliRDHFCuts::kPID) { | |
274 | switch (fPIDStrategy) { | |
275 | case kNSigma: | |
276 | returnvaluePID = IsSelectedPID(d); | |
277 | ||
278 | break; | |
279 | case kCombined: | |
280 | returnvaluePID = IsSelectedCombinedPID(d); | |
281 | break; | |
282 | } | |
283 | fIsSelectedPID=returnvaluePID; | |
284 | } | |
285 | // if(fUsePID || selectionLevel==AliRDHFCuts::kPID) returnvaluePID = IsSelectedCombinedPID(d); // to test!! | |
286 | if(returnvaluePID==0) return 0; | |
ba27eecd | 287 | |
e3d40058 | 288 | // selection on candidate |
289 | if(selectionLevel==AliRDHFCuts::kAll || | |
290 | selectionLevel==AliRDHFCuts::kCandidate) { | |
291 | ||
292 | Double_t pt=d->Pt(); | |
293 | ||
294 | Int_t ptbin=PtBin(pt); | |
295 | ||
296 | Double_t mLcpKpi,mLcpiKp; | |
297 | Int_t okLcpKpi=1,okLcpiKp=1; | |
298 | ||
299 | Double_t mLcPDG = TDatabasePDG::Instance()->GetParticle(4122)->Mass(); | |
300 | ||
301 | mLcpKpi=d->InvMassLcpKpi(); | |
302 | mLcpiKp=d->InvMassLcpiKp(); | |
303 | ||
304 | if(TMath::Abs(mLcpKpi-mLcPDG)>fCutsRD[GetGlobalIndex(0,ptbin)]) okLcpKpi = 0; | |
305 | if(TMath::Abs(mLcpiKp-mLcPDG)>fCutsRD[GetGlobalIndex(0,ptbin)]) okLcpiKp = 0; | |
306 | if(!okLcpKpi && !okLcpiKp) return 0; | |
307 | ||
c1234468 | 308 | switch (fCutsStrategy) { |
309 | ||
310 | case kStandard: | |
e3d40058 | 311 | if(TMath::Abs(d->PtProng(1)) < fCutsRD[GetGlobalIndex(1,ptbin)] || TMath::Abs(d->Getd0Prong(1))<fCutsRD[GetGlobalIndex(3,ptbin)]) return 0;//Kaon |
a7b533b7 | 312 | if((TMath::Abs(d->PtProng(0)) < fCutsRD[GetGlobalIndex(2,ptbin)]) || (TMath::Abs(d->PtProng(2)) < fCutsRD[GetGlobalIndex(12,ptbin)])) okLcpKpi=0; |
313 | if((TMath::Abs(d->PtProng(2)) < fCutsRD[GetGlobalIndex(2,ptbin)]) || (TMath::Abs(d->PtProng(0)) < fCutsRD[GetGlobalIndex(12,ptbin)]))okLcpiKp=0; | |
7ad4b782 | 314 | if(!okLcpKpi && !okLcpiKp) return 0; |
e3d40058 | 315 | //2track cuts |
316 | if(d->GetDist12toPrim()<fCutsRD[GetGlobalIndex(5,ptbin)]|| d->GetDist23toPrim()<fCutsRD[GetGlobalIndex(5,ptbin)]) return 0; | |
228974b3 | 317 | if(d->GetDist12toPrim()>1.) return 0; |
318 | if(d->GetDist23toPrim()>1.) return 0; | |
43d2fecc | 319 | if(fUseImpParProdCorrCut){ |
320 | if(d->Getd0Prong(0)*d->Getd0Prong(1)<0. && d->Getd0Prong(2)*d->Getd0Prong(1)<0.) return 0; | |
321 | } | |
e0fb900a | 322 | //sec vert |
e3d40058 | 323 | if(d->DecayLength()<fCutsRD[GetGlobalIndex(7,ptbin)]) return 0; |
228974b3 | 324 | if(d->DecayLength()>0.5) return 0; |
c1234468 | 325 | |
326 | // Double_t sumd0s=d->Getd0Prong(0)*d->Getd0Prong(0)+d->Getd0Prong(1)*d->Getd0Prong(1)+d->Getd0Prong(2)*d->Getd0Prong(2); | |
327 | // if(sumd0s<fCutsRD[GetGlobalIndex(10,ptbin)]) return 0; | |
328 | if((d->Getd0Prong(0)*d->Getd0Prong(0)+d->Getd0Prong(1)*d->Getd0Prong(1)+d->Getd0Prong(2)*d->Getd0Prong(2))<fCutsRD[GetGlobalIndex(10,ptbin)]) return 0; | |
e3d40058 | 329 | |
330 | if(TMath::Abs(d->PtProng(0))<fCutsRD[GetGlobalIndex(8,ptbin)] && TMath::Abs(d->PtProng(1))<fCutsRD[GetGlobalIndex(8,ptbin)] && TMath::Abs(d->PtProng(2))<fCutsRD[GetGlobalIndex(8,ptbin)]) return 0; | |
331 | if(d->CosPointingAngle()< fCutsRD[GetGlobalIndex(9,ptbin)]) return 0; | |
e0fb900a | 332 | if(d->GetSigmaVert(aod)>fCutsRD[GetGlobalIndex(6,ptbin)]) return 0; |
e3d40058 | 333 | |
334 | //DCA | |
335 | for(Int_t i=0;i<3;i++) if(d->GetDCA(i)>fCutsRD[GetGlobalIndex(11,ptbin)]) return 0; | |
336 | ||
c1234468 | 337 | break; |
338 | ||
339 | case kKF: | |
340 | Int_t pdgs[3]={0,321,0}; | |
341 | Bool_t constraint=kFALSE; | |
342 | if(fCutsRD[GetGlobalIndex(1,ptbin)]>0.) constraint=kTRUE; | |
343 | Double_t field=aod->GetMagneticField(); | |
344 | if (returnvaluePID==1 || returnvaluePID==3){ | |
345 | ||
82ccd919 | 346 | pdgs[0]=2122;pdgs[2]=211; |
347 | AliKFParticle *lc1=ReconstructKF(d,pdgs,field,constraint); | |
348 | if(!lc1){ | |
349 | okLcpKpi=0; | |
350 | }else{ | |
351 | if(lc1->GetChi2()/lc1->GetNDF()>fCutsRD[GetGlobalIndex(2,ptbin)]) okLcpKpi=0; | |
352 | } | |
c1234468 | 353 | } else if(returnvaluePID>=2){ |
354 | ||
82ccd919 | 355 | pdgs[0]=211;pdgs[2]=2212; |
356 | AliKFParticle *lc2=ReconstructKF(d,pdgs,field,constraint); | |
357 | if(!lc2){ | |
358 | okLcpiKp=0; | |
359 | }else{ | |
360 | if(lc2->GetChi2()/lc2->GetNDF()>fCutsRD[GetGlobalIndex(2,ptbin)])okLcpiKp=0; | |
361 | } | |
c1234468 | 362 | } |
363 | break; | |
364 | ||
365 | } | |
e3d40058 | 366 | |
367 | if(okLcpKpi) returnvalue=1; //cuts passed as Lc->pKpi | |
368 | if(okLcpiKp) returnvalue=2; //cuts passed as Lc->piKp | |
369 | if(okLcpKpi && okLcpiKp) returnvalue=3; //cuts passed as both pKpi and piKp | |
dcc2ade0 | 370 | |
dcc2ade0 | 371 | } |
372 | ||
dcc2ade0 | 373 | // selection on daughter tracks |
374 | if(selectionLevel==AliRDHFCuts::kAll || | |
375 | selectionLevel==AliRDHFCuts::kTracks) { | |
376 | if(!AreDaughtersSelected(d)) return 0; | |
e3d40058 | 377 | } |
dcc2ade0 | 378 | |
379 | ||
7ad4b782 | 380 | Int_t returnvalueTot=CombinePIDCuts(returnvalue,returnvaluePID); |
381 | return returnvalueTot; | |
e3d40058 | 382 | } |
383 | //--------------------------------------------------------------------------- | |
7ad4b782 | 384 | Int_t AliRDHFCutsLctopKpi::IsSelectedPID(AliAODRecoDecayHF* obj) { |
385 | ||
386 | ||
1a141544 | 387 | if(!fUsePID || !obj) return 3; |
7ad4b782 | 388 | Int_t okLcpKpi=0,okLcpiKp=0; |
389 | Int_t returnvalue=0; | |
390 | Bool_t isPeriodd=fPidHF->GetOnePad(); | |
a7b533b7 | 391 | Bool_t isMC=fPidHF->GetMC(); |
7ad4b782 | 392 | Bool_t ispion0=kTRUE,ispion2=kTRUE; |
393 | Bool_t isproton0=kFALSE,isproton2=kFALSE; | |
394 | Bool_t iskaon1=kFALSE; | |
a7b533b7 | 395 | if(isPeriodd) { |
396 | fPidObjprot->SetOnePad(kTRUE); | |
397 | fPidObjpion->SetOnePad(kTRUE); | |
398 | } | |
399 | if(isMC) { | |
400 | fPidObjprot->SetMC(kTRUE); | |
401 | fPidObjpion->SetMC(kTRUE); | |
402 | } | |
7ad4b782 | 403 | |
404 | for(Int_t i=0;i<3;i++){ | |
405 | AliAODTrack *track=(AliAODTrack*)obj->GetDaughter(i); | |
406 | if(!track) return 0; | |
407 | // identify kaon | |
408 | if(i==1) { | |
409 | Int_t isKaon=fPidHF->MakeRawPid(track,3); | |
410 | if(isKaon>=1) { | |
411 | iskaon1=kTRUE; | |
412 | if(fPidHF->MakeRawPid(track,2)>=1) iskaon1=kFALSE; | |
413 | } | |
47aa3d55 | 414 | if(!iskaon1) return 0; |
7ad4b782 | 415 | |
416 | }else{ | |
417 | //pion or proton | |
418 | ||
419 | Int_t isProton=fPidObjprot->MakeRawPid(track,4); | |
420 | if(isProton>=1){ | |
421 | if(fPidHF->MakeRawPid(track,2)>=1) isProton=-1; | |
422 | if(fPidHF->MakeRawPid(track,3)>=1) isProton=-1; | |
423 | } | |
424 | ||
425 | Int_t isPion=fPidObjpion->MakeRawPid(track,2); | |
426 | if(fPidHF->MakeRawPid(track,3)>=1) isPion=-1; | |
427 | if(fPidObjprot->MakeRawPid(track,4)>=1) isPion=-1; | |
428 | ||
429 | ||
430 | if(i==0) { | |
431 | if(isPion<0) ispion0=kFALSE; | |
432 | if(isProton>=1) isproton0=kTRUE; | |
433 | ||
434 | } | |
47aa3d55 | 435 | if(!ispion0 && !isproton0) return 0; |
7ad4b782 | 436 | if(i==2) { |
437 | if(isPion<0) ispion2=kFALSE; | |
438 | if(isProton>=1) isproton2=kTRUE; | |
439 | } | |
440 | ||
441 | } | |
442 | } | |
443 | ||
444 | if(ispion2 && isproton0 && iskaon1) okLcpKpi=1; | |
445 | if(ispion0 && isproton2 && iskaon1) okLcpiKp=1; | |
446 | if(okLcpKpi) returnvalue=1; //cuts passed as Lc->pKpi | |
447 | if(okLcpiKp) returnvalue=2; //cuts passed as Lc->piKp | |
448 | if(okLcpKpi && okLcpiKp) returnvalue=3; //cuts passed as both pKpi and piKp | |
449 | ||
450 | return returnvalue; | |
451 | } | |
11690a06 | 452 | //--------------------------------------------------------------------------- |
453 | Int_t AliRDHFCutsLctopKpi::IsSelectedCombinedPID(AliAODRecoDecayHF* obj) { | |
454 | ||
455 | // Printf(" -------- IsSelectedCombinedPID --------------"); | |
456 | ||
c1234468 | 457 | |
458 | if(!fUsePID || !obj) {return 3;} | |
11690a06 | 459 | Int_t okLcpKpi=0,okLcpiKp=0; |
460 | Int_t returnvalue=0; | |
461 | Bool_t isPeriodd=fPidHF->GetOnePad(); | |
462 | Bool_t isMC=fPidHF->GetMC(); | |
11690a06 | 463 | |
464 | if(isPeriodd) { | |
465 | fPidObjprot->SetOnePad(kTRUE); | |
466 | fPidObjpion->SetOnePad(kTRUE); | |
467 | } | |
468 | if(isMC) { | |
469 | fPidObjprot->SetMC(kTRUE); | |
470 | fPidObjpion->SetMC(kTRUE); | |
471 | } | |
472 | ||
c1234468 | 473 | AliVTrack *track0=dynamic_cast<AliVTrack*>(obj->GetDaughter(0)); |
474 | AliVTrack *track1=dynamic_cast<AliVTrack*>(obj->GetDaughter(1)); | |
475 | AliVTrack *track2=dynamic_cast<AliVTrack*>(obj->GetDaughter(2)); | |
476 | if (!track0 || !track1 || !track2) return 0; | |
477 | Double_t prob0[AliPID::kSPECIES]; | |
478 | Double_t prob1[AliPID::kSPECIES]; | |
479 | Double_t prob2[AliPID::kSPECIES]; | |
480 | fPidHF->GetPidCombined()->ComputeProbabilities(track0,fPidHF->GetPidResponse(),prob0); | |
481 | fPidHF->GetPidCombined()->ComputeProbabilities(track1,fPidHF->GetPidResponse(),prob1); | |
482 | fPidHF->GetPidCombined()->ComputeProbabilities(track2,fPidHF->GetPidResponse(),prob2); | |
483 | if(fPIDThreshold[AliPID::kPion]>0. && fPIDThreshold[AliPID::kKaon]>0. && fPIDThreshold[AliPID::kProton]>0.){ | |
484 | okLcpiKp= (prob0[AliPID::kPion ]>fPIDThreshold[AliPID::kPion ]) | |
485 | &&(prob1[AliPID::kKaon ]>fPIDThreshold[AliPID::kKaon ]) | |
486 | &&(prob2[AliPID::kProton]>fPIDThreshold[AliPID::kProton]); | |
487 | okLcpKpi= (prob0[AliPID::kProton]>fPIDThreshold[AliPID::kProton]) | |
488 | &&(prob1[AliPID::kKaon ]>fPIDThreshold[AliPID::kKaon ]) | |
489 | &&(prob2[AliPID::kPion ]>fPIDThreshold[AliPID::kPion ]); | |
490 | }else{ | |
11690a06 | 491 | //pion or proton |
492 | ||
11690a06 | 493 | |
c1234468 | 494 | if(TMath::MaxElement(AliPID::kSPECIES,prob1) == prob1[AliPID::kKaon]){ |
495 | if(TMath::MaxElement(AliPID::kSPECIES,prob0) == prob0[AliPID::kProton] && TMath::MaxElement(AliPID::kSPECIES,prob2) == prob2[AliPID::kPion]) okLcpKpi = 1; | |
496 | if(TMath::MaxElement(AliPID::kSPECIES,prob2) == prob2[AliPID::kProton] && TMath::MaxElement(AliPID::kSPECIES,prob0) == prob0[AliPID::kPion]) okLcpiKp = 1; | |
11690a06 | 497 | } |
c1234468 | 498 | } |
11690a06 | 499 | |
500 | if(okLcpKpi) returnvalue=1; //cuts passed as Lc->pKpi | |
501 | if(okLcpiKp) returnvalue=2; //cuts passed as Lc->piKp | |
502 | if(okLcpKpi && okLcpiKp) returnvalue=3; //cuts passed as both pKpi and piKp | |
503 | ||
504 | return returnvalue; | |
505 | } | |
7ad4b782 | 506 | //----------------------- |
507 | Int_t AliRDHFCutsLctopKpi::CombinePIDCuts(Int_t returnvalue, Int_t returnvaluePID) const { | |
508 | ||
509 | Int_t returnvalueTot=0; | |
510 | Int_t okLcpKpi=0,okLcpiKp=0; | |
511 | if(returnvaluePID==1){ | |
512 | if(returnvalue==1 || returnvalue==3) okLcpKpi=1; | |
513 | } | |
514 | if(returnvaluePID==2){ | |
515 | if(returnvalue>=2) okLcpiKp=1; | |
516 | } | |
517 | if(returnvaluePID==3 && returnvalue>0){ | |
518 | if(returnvalue==1 || returnvalue==3) okLcpKpi=1; | |
519 | if(returnvalue>=2) okLcpiKp=1; | |
520 | } | |
521 | ||
522 | if(okLcpKpi) returnvalueTot=1; //cuts passed as Lc->pKpi | |
523 | if(okLcpiKp) returnvalueTot=2; //cuts passed as Lc->piKp | |
524 | if(okLcpKpi && okLcpiKp) returnvalueTot=3; //cuts passed as both pKpi and piKp | |
525 | return returnvalueTot; | |
526 | } | |
527 | //---------------------------------- | |
528 | void AliRDHFCutsLctopKpi::SetStandardCutsPP2010() { | |
529 | ||
530 | SetName("LctopKpiProdCuts"); | |
531 | SetTitle("Production cuts for Lc analysis"); | |
532 | ||
533 | AliESDtrackCuts *esdTrackCuts = new AliESDtrackCuts("AliESDtrackCuts","default"); | |
534 | esdTrackCuts->SetRequireSigmaToVertex(kFALSE); | |
535 | esdTrackCuts->SetRequireTPCRefit(kTRUE); | |
536 | esdTrackCuts->SetMinNClustersTPC(70); | |
537 | esdTrackCuts->SetClusterRequirementITS(AliESDtrackCuts::kSPD, | |
538 | AliESDtrackCuts::kAny); | |
539 | esdTrackCuts->SetRequireITSRefit(kTRUE); | |
540 | esdTrackCuts->SetMinNClustersITS(4); | |
541 | esdTrackCuts->SetMinDCAToVertexXY(0.); | |
542 | esdTrackCuts->SetEtaRange(-0.8,0.8); | |
543 | esdTrackCuts->SetPtRange(0.3,1.e10); | |
544 | AddTrackCuts(esdTrackCuts); | |
545 | ||
546 | const Int_t nptbins=4; | |
a7b533b7 | 547 | const Int_t nvars=13; |
7ad4b782 | 548 | Float_t* ptbins; |
549 | ptbins=new Float_t[nptbins+1]; | |
550 | ||
551 | ptbins[0]=0.; | |
552 | ptbins[1]=2.; | |
553 | ptbins[2]=3.; | |
554 | ptbins[3]=4.; | |
555 | ptbins[4]=9999.; | |
556 | ||
557 | SetGlobalIndex(nvars,nptbins); | |
558 | SetPtBins(nptbins+1,ptbins); | |
559 | ||
560 | Float_t** prodcutsval; | |
561 | prodcutsval=new Float_t*[nvars]; | |
562 | for(Int_t iv=0;iv<nvars;iv++){ | |
563 | prodcutsval[iv]=new Float_t[nptbins]; | |
564 | } | |
e11ae259 | 565 | |
7ad4b782 | 566 | for(Int_t ipt=0;ipt<nptbins;ipt++){ |
567 | prodcutsval[0][ipt]=0.18; | |
568 | prodcutsval[1][ipt]=0.4; | |
569 | prodcutsval[2][ipt]=0.5; | |
570 | prodcutsval[3][ipt]=0.; | |
571 | prodcutsval[4][ipt]=0.; | |
572 | prodcutsval[5][ipt]=0.01; | |
573 | prodcutsval[6][ipt]=0.06; | |
574 | prodcutsval[7][ipt]=0.005; | |
575 | prodcutsval[8][ipt]=0.; | |
576 | prodcutsval[9][ipt]=0.; | |
577 | prodcutsval[10][ipt]=0.; | |
578 | prodcutsval[11][ipt]=0.05; | |
a7b533b7 | 579 | prodcutsval[12][ipt]=0.4; |
7ad4b782 | 580 | } |
581 | SetCuts(nvars,nptbins,prodcutsval); | |
582 | ||
583 | AliAODPidHF* pidObjK=new AliAODPidHF(); | |
584 | Double_t sigmasK[5]={3.,1.,1.,3.,2.}; | |
585 | pidObjK->SetSigma(sigmasK); | |
586 | pidObjK->SetAsym(kTRUE); | |
587 | pidObjK->SetMatch(1); | |
588 | pidObjK->SetTPC(kTRUE); | |
589 | pidObjK->SetTOF(kTRUE); | |
590 | pidObjK->SetITS(kTRUE); | |
591 | Double_t plimK[2]={0.5,0.8}; | |
592 | pidObjK->SetPLimit(plimK,2); | |
a7b533b7 | 593 | pidObjK->SetTOFdecide(kTRUE); |
7ad4b782 | 594 | |
595 | SetPidHF(pidObjK); | |
596 | ||
597 | AliAODPidHF* pidObjpi=new AliAODPidHF(); | |
598 | pidObjpi->SetTPC(kTRUE); | |
599 | Double_t sigmaspi[5]={3.,0.,0.,0.,0.}; | |
600 | pidObjpi->SetSigma(sigmaspi); | |
a7b533b7 | 601 | pidObjpi->SetTOFdecide(kTRUE); |
7ad4b782 | 602 | SetPidpion(pidObjpi); |
603 | ||
604 | AliAODPidHF* pidObjp=new AliAODPidHF(); | |
605 | Double_t sigmasp[5]={3.,1.,1.,3.,2.}; | |
606 | pidObjp->SetSigma(sigmasp); | |
607 | pidObjp->SetAsym(kTRUE); | |
608 | pidObjp->SetMatch(1); | |
609 | pidObjp->SetTPC(kTRUE); | |
610 | pidObjp->SetTOF(kTRUE); | |
611 | pidObjp->SetITS(kTRUE); | |
612 | Double_t plimp[2]={1.,2.}; | |
613 | pidObjp->SetPLimit(plimp,2); | |
a7b533b7 | 614 | pidObjp->SetTOFdecide(kTRUE); |
7ad4b782 | 615 | |
616 | SetPidprot(pidObjp); | |
617 | ||
618 | SetUsePID(kTRUE); | |
619 | ||
620 | PrintAll(); | |
621 | ||
e11ae259 | 622 | for(Int_t iiv=0;iiv<nvars;iiv++){ |
623 | delete [] prodcutsval[iiv]; | |
624 | } | |
625 | delete [] prodcutsval; | |
626 | prodcutsval=NULL; | |
627 | delete [] ptbins; | |
628 | ptbins=NULL; | |
629 | ||
630 | delete pidObjp; | |
631 | pidObjp=NULL; | |
632 | ||
7ad4b782 | 633 | return; |
634 | } | |
a8b8e864 | 635 | //------------------ |
636 | void AliRDHFCutsLctopKpi::SetStandardCutsPbPb2010() { | |
637 | ||
638 | SetName("LctopKpiProdCuts"); | |
639 | SetTitle("Production cuts for Lc analysis"); | |
640 | ||
641 | AliESDtrackCuts *esdTrackCuts = new AliESDtrackCuts("AliESDtrackCuts","default"); | |
642 | ||
643 | esdTrackCuts->SetRequireTPCRefit(kTRUE); | |
644 | esdTrackCuts->SetMinNClustersTPC(70); | |
645 | esdTrackCuts->SetClusterRequirementITS(AliESDtrackCuts::kSPD, | |
646 | AliESDtrackCuts::kAny); | |
647 | esdTrackCuts->SetRequireITSRefit(kTRUE); | |
648 | esdTrackCuts->SetMinNClustersITS(4); | |
649 | esdTrackCuts->SetMinDCAToVertexXYPtDep("0.0100*TMath::Max(0.,(1-TMath::Floor(TMath::Abs(pt)/2.)))"); | |
650 | esdTrackCuts->SetEtaRange(-0.8,0.8); | |
651 | esdTrackCuts->SetMaxDCAToVertexXY(1.); | |
652 | esdTrackCuts->SetMaxDCAToVertexZ(1.); | |
653 | esdTrackCuts->SetPtRange(0.8,1.e10); | |
654 | AddTrackCuts(esdTrackCuts); | |
655 | ||
656 | const Int_t nptbins=4; | |
a7b533b7 | 657 | const Int_t nvars=13; |
a8b8e864 | 658 | Float_t* ptbins; |
659 | ptbins=new Float_t[nptbins+1]; | |
660 | ||
661 | ptbins[0]=0.; | |
662 | ptbins[1]=2.; | |
663 | ptbins[2]=3.; | |
664 | ptbins[3]=4.; | |
665 | ptbins[4]=9999.; | |
666 | ||
667 | SetGlobalIndex(nvars,nptbins); | |
668 | SetPtBins(nptbins+1,ptbins); | |
669 | ||
670 | Float_t** prodcutsval; | |
671 | prodcutsval=new Float_t*[nvars]; | |
672 | for(Int_t iv=0;iv<nvars;iv++){ | |
673 | prodcutsval[iv]=new Float_t[nptbins]; | |
674 | } | |
675 | ||
676 | for(Int_t ipt=0;ipt<nptbins;ipt++){ | |
677 | prodcutsval[0][ipt]=0.13; | |
678 | prodcutsval[1][ipt]=0.5; | |
679 | prodcutsval[2][ipt]=0.6; | |
680 | prodcutsval[3][ipt]=0.; | |
681 | prodcutsval[4][ipt]=0.; | |
682 | prodcutsval[5][ipt]=0.01; | |
683 | prodcutsval[6][ipt]=0.04; | |
684 | prodcutsval[7][ipt]=0.006; | |
685 | prodcutsval[8][ipt]=0.8; | |
686 | prodcutsval[9][ipt]=0.3; | |
687 | prodcutsval[10][ipt]=0.; | |
688 | prodcutsval[11][ipt]=0.05; | |
a7b533b7 | 689 | prodcutsval[12][ipt]=0.4; |
a8b8e864 | 690 | } |
691 | SetCuts(nvars,nptbins,prodcutsval); | |
692 | ||
693 | AliAODPidHF* pidObjK=new AliAODPidHF(); | |
694 | Double_t sigmasK[5]={3.,1.,1.,3.,2.}; | |
695 | pidObjK->SetSigma(sigmasK); | |
696 | pidObjK->SetAsym(kTRUE); | |
697 | pidObjK->SetMatch(1); | |
698 | pidObjK->SetTPC(kTRUE); | |
699 | pidObjK->SetTOF(kTRUE); | |
700 | pidObjK->SetITS(kTRUE); | |
701 | Double_t plimK[2]={0.5,0.8}; | |
702 | pidObjK->SetPLimit(plimK,2); | |
703 | ||
704 | SetPidHF(pidObjK); | |
705 | ||
706 | AliAODPidHF* pidObjpi=new AliAODPidHF(); | |
707 | pidObjpi->SetTPC(kTRUE); | |
708 | Double_t sigmaspi[5]={3.,0.,0.,0.,0.}; | |
709 | pidObjpi->SetSigma(sigmaspi); | |
710 | SetPidpion(pidObjpi); | |
7ad4b782 | 711 | |
a8b8e864 | 712 | AliAODPidHF* pidObjp=new AliAODPidHF(); |
713 | Double_t sigmasp[5]={3.,1.,1.,3.,2.}; | |
714 | pidObjp->SetSigma(sigmasp); | |
715 | pidObjp->SetAsym(kTRUE); | |
716 | pidObjp->SetMatch(1); | |
717 | pidObjp->SetTPC(kTRUE); | |
718 | pidObjp->SetTOF(kTRUE); | |
719 | pidObjp->SetITS(kTRUE); | |
720 | Double_t plimp[2]={1.,2.}; | |
721 | pidObjp->SetPLimit(plimp,2); | |
722 | ||
723 | SetPidprot(pidObjp); | |
724 | ||
725 | SetUsePID(kTRUE); | |
726 | ||
727 | PrintAll(); | |
728 | ||
729 | for(Int_t iiv=0;iiv<nvars;iiv++){ | |
730 | delete [] prodcutsval[iiv]; | |
731 | } | |
732 | delete [] prodcutsval; | |
733 | prodcutsval=NULL; | |
734 | delete [] ptbins; | |
735 | ptbins=NULL; | |
736 | ||
737 | delete pidObjp; | |
738 | pidObjp=NULL; | |
739 | ||
740 | return; | |
741 | } | |
7ad4b782 | 742 | //------------------ |
c1234468 | 743 | AliKFParticle* AliRDHFCutsLctopKpi::ReconstructKF(AliAODRecoDecayHF3Prong *d,Int_t *pdgs,Double_t field,Bool_t constraint) const{ |
cc4bd7b4 | 744 | // Method to construct the KF particle from the candidate |
16d0e822 | 745 | |
c1234468 | 746 | const Int_t nprongs=d->GetNProngs(); |
5da7eaa9 | 747 | if(nprongs<=0) return 0x0; |
82ccd919 | 748 | |
7ad4b782 | 749 | Int_t iprongs[nprongs]; |
750 | for(Int_t i=0;i<nprongs;i++) iprongs[i]=i; | |
751 | ||
752 | Double_t mass[2]={0.,0.}; | |
753 | ||
c1234468 | 754 | AliKFParticle *decay=d->ApplyVertexingKF(iprongs,nprongs,pdgs,constraint,field,mass); |
755 | if(!decay) return 0x0; | |
7ad4b782 | 756 | AliESDVertex *vertexESD = new AliESDVertex(decay->Parameters(), |
757 | decay->CovarianceMatrix(), | |
758 | decay->GetChi2(), | |
759 | nprongs); | |
760 | Double_t pos[3],cov[6],chi2perNDF; | |
761 | vertexESD->GetXYZ(pos); | |
762 | vertexESD->GetCovMatrix(cov); | |
763 | chi2perNDF = vertexESD->GetChi2toNDF(); | |
764 | delete vertexESD; vertexESD=NULL; | |
765 | AliAODVertex *vertexAOD = new AliAODVertex(pos,cov,chi2perNDF,0x0,-1,AliAODVertex::kUndef,nprongs); | |
766 | d->SetSecondaryVtx(vertexAOD); | |
c1234468 | 767 | return decay; |
768 | } | |
769 | ||
770 | //----------------- | |
771 | ||
772 | Bool_t AliRDHFCutsLctopKpi::IsInFiducialAcceptance(Double_t pt, Double_t y) const | |
773 | { | |
774 | // | |
775 | // // Checking if Dplus is in fiducial acceptance region | |
776 | // // | |
777 | // | |
778 | if(pt > 5.) { | |
779 | // applying cut for pt > 5 GeV | |
780 | AliDebug(2,Form("pt of D+ = %f (> 5), cutting at |y| < 0.8",pt)); | |
781 | if (TMath::Abs(y) > 0.8) return kFALSE; | |
782 | ||
783 | } else { | |
784 | // appliying smooth cut for pt < 5 GeV | |
785 | Double_t maxFiducialY = -0.2/15*pt*pt+1.9/15*pt+0.5; | |
786 | Double_t minFiducialY = 0.2/15*pt*pt-1.9/15*pt-0.5; | |
787 | AliDebug(2,Form("pt of D+ = %f (< 5), cutting according to the fiducial zone [%f, %f]\n",pt,minFiducialY,maxFiducialY)); | |
788 | if (y < minFiducialY || y > maxFiducialY) return kFALSE; | |
789 | } | |
790 | // | |
791 | return kTRUE; | |
7ad4b782 | 792 | } |
a8b8e864 | 793 |