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7ce8802c | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-2006, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * * | |
5 | * Author: The ALICE Off-line Project. * | |
6 | * Contributors are mentioned in the code where appropriate. * | |
7 | * | |
8 | * Permission to use, copy, modify and distribute this software and its * | |
9 | * documentation strictly for non-commercial purposes is hereby granted * | |
10 | * without fee, provided that the above copyright notice appears in all * | |
11 | * copies and that both the copyright notice and this permission notice * | |
12 | * appear in the supporting documentation. The authors make no claims * | |
13 | * about the suitability of this software for any purpose. It is * | |
14 | * provided "as is" without express or implied warranty. * | |
15 | * *************************************************************************/ | |
16 | ||
27de2dfb | 17 | /* $Id$ */ |
18 | ||
7ce8802c | 19 | //*********************************************************** |
20 | // Class AliAODPidHF | |
21 | // class for PID with AliAODRecoDecayHF | |
b257e565 | 22 | // Authors: D. Caffarri caffarri@pd.infn.it, A.Dainese andrea.dainese@pd.infn.it, S. Dash dash@to.infn.it, F. Prino prino@to.infn.it, R. Romita r.romita@gsi.de, Y. Wang yifei@pi0.physi.uni-heidelberg.de P. Antonioli pietro.antonioli@bo.infn.it |
7ce8802c | 23 | //*********************************************************** |
64e39959 | 24 | #include <TCanvas.h> |
25 | ||
7ce8802c | 26 | #include "AliAODPidHF.h" |
27 | #include "AliAODPid.h" | |
7ce8802c | 28 | #include "AliPID.h" |
b79bfc3e | 29 | #include "AliPIDResponse.h" |
7ce8802c | 30 | #include "AliAODpidUtil.h" |
f9e3cf8e | 31 | #include "AliESDtrack.h" |
7ce8802c | 32 | |
33 | ||
34 | ClassImp(AliAODPidHF) | |
35 | ||
36 | //------------------------------ | |
37 | AliAODPidHF::AliAODPidHF(): | |
228f3aba | 38 | AliAODPid(), |
39 | fnNSigma(5), | |
40 | fnSigma(), | |
41 | fTOFSigma(160.), | |
42 | fnPriors(5), | |
43 | fPriors(), | |
44 | fnPLimit(2), | |
45 | fPLimit(), | |
cdac45d3 | 46 | fAsym(kFALSE), |
47 | fTPC(kFALSE), | |
48 | fTOF(kFALSE), | |
49 | fITS(kFALSE), | |
50 | fTRD(kFALSE), | |
79f3c225 | 51 | fMatch(0), |
913d1957 | 52 | fCompat(kFALSE), |
ad42e35b | 53 | fPCompatTOF(1.5), |
02baac36 | 54 | fnNSigmaCompat(2), |
ad42e35b | 55 | fnSigmaCompat(), |
12141139 | 56 | fMC(kFALSE), |
17c4a8d5 | 57 | fOnePad(kFALSE), |
5821ea5b | 58 | fMCLowEn2011(kFALSE), |
67a82ef2 | 59 | fppLowEn2011(kFALSE), |
439d61b7 | 60 | fPbPb(kFALSE), |
b79bfc3e | 61 | fTOFdecide(kFALSE), |
2c9eefd4 | 62 | fOldPid(kTRUE), |
63 | fPtThresholdTPC(999999.), | |
11690a06 | 64 | fPidResponse(0), |
65 | fPidCombined(new AliPIDCombined()) | |
7ce8802c | 66 | { |
67 | // | |
68 | // Default constructor | |
69 | // | |
228f3aba | 70 | fPLimit=new Double_t[fnPLimit]; |
71 | fnSigma=new Double_t[fnNSigma]; | |
72 | fPriors=new Double_t[fnPriors]; | |
02baac36 | 73 | fnSigmaCompat=new Double_t[fnNSigmaCompat]; |
228f3aba | 74 | |
75 | for(Int_t i=0;i<fnNSigma;i++){ | |
76 | fnSigma[i]=0.; | |
77 | } | |
78 | for(Int_t i=0;i<fnPriors;i++){ | |
79 | fPriors[i]=0.; | |
80 | } | |
81 | for(Int_t i=0;i<fnPLimit;i++){ | |
82 | fPLimit[i]=0.; | |
83 | } | |
02baac36 | 84 | for(Int_t i=0;i<fnNSigmaCompat;i++){ |
ad42e35b | 85 | fnSigmaCompat[i]=3.; |
86 | } | |
7ce8802c | 87 | |
88 | } | |
89 | //---------------------- | |
90 | AliAODPidHF::~AliAODPidHF() | |
91 | { | |
92 | // destructor | |
228f3aba | 93 | // if(fPLimit) delete fPLimit; |
94 | // if(fnSigma) delete fnSigma; | |
95 | // if(fPriors) delete fPriors; | |
7ce8802c | 96 | } |
97 | //------------------------ | |
98 | AliAODPidHF::AliAODPidHF(const AliAODPidHF& pid) : | |
99 | AliAODPid(pid), | |
228f3aba | 100 | fnNSigma(pid.fnNSigma), |
101 | fnSigma(pid.fnSigma), | |
102 | fTOFSigma(pid.fTOFSigma), | |
103 | fnPriors(pid.fnPriors), | |
104 | fPriors(pid.fPriors), | |
105 | fnPLimit(pid.fnPLimit), | |
106 | fPLimit(pid.fPLimit), | |
cdac45d3 | 107 | fAsym(pid.fAsym), |
108 | fTPC(pid.fTPC), | |
109 | fTOF(pid.fTOF), | |
110 | fITS(pid.fITS), | |
111 | fTRD(pid.fTRD), | |
112 | fMatch(pid.fMatch), | |
913d1957 | 113 | fCompat(pid.fCompat), |
ad42e35b | 114 | fPCompatTOF(pid.fPCompatTOF), |
02baac36 | 115 | fnNSigmaCompat(pid.fnNSigmaCompat), |
ad42e35b | 116 | fnSigmaCompat(pid.fnSigmaCompat), |
12141139 | 117 | fMC(pid.fMC), |
17c4a8d5 | 118 | fOnePad(pid.fOnePad), |
5821ea5b | 119 | fMCLowEn2011(pid.fMCLowEn2011), |
67a82ef2 | 120 | fppLowEn2011(pid.fppLowEn2011), |
439d61b7 | 121 | fPbPb(pid.fPbPb), |
b79bfc3e | 122 | fTOFdecide(pid.fTOFdecide), |
123 | fOldPid(pid.fOldPid), | |
2c9eefd4 | 124 | fPtThresholdTPC(pid.fPtThresholdTPC), |
11690a06 | 125 | fPidResponse(pid.fPidResponse), |
126 | fPidCombined(pid.fPidCombined) | |
7ce8802c | 127 | { |
128 | ||
129 | for(Int_t i=0;i<5;i++){ | |
130 | fPriors[i]=pid.fPriors[i]; | |
131 | } | |
132 | ||
133 | } | |
134 | ||
135 | //---------------------- | |
228f3aba | 136 | Int_t AliAODPidHF::RawSignalPID(AliAODTrack *track, TString detector) const{ |
137 | // raw PID for single detectors, returns the particle type with smaller sigma | |
f9e3cf8e | 138 | Int_t specie=-1; |
139 | if(detector.Contains("ITS")) return ApplyPidITSRaw(track,specie); | |
140 | if(detector.Contains("TPC")) return ApplyPidTPCRaw(track,specie); | |
141 | if(detector.Contains("TOF")) return ApplyPidTOFRaw(track,specie); | |
7ce8802c | 142 | |
f9e3cf8e | 143 | return specie; |
7ce8802c | 144 | |
145 | } | |
146 | //--------------------------- | |
228f3aba | 147 | Bool_t AliAODPidHF::IsKaonRaw(AliAODTrack *track, TString detector) const{ |
148 | // checks if the track can be a kaon, raw PID applied for single detectors | |
7ce8802c | 149 | Int_t specie=0; |
150 | ||
151 | if(detector.Contains("ITS")) specie=ApplyPidITSRaw(track,3); | |
152 | if(detector.Contains("TPC")) specie=ApplyPidTPCRaw(track,3); | |
153 | if(detector.Contains("TOF")) specie=ApplyPidTOFRaw(track,3); | |
154 | ||
155 | if(specie==3) return kTRUE; | |
156 | return kFALSE; | |
157 | } | |
158 | //--------------------------- | |
228f3aba | 159 | Bool_t AliAODPidHF::IsPionRaw (AliAODTrack *track, TString detector) const{ |
160 | // checks if the track can be a pion, raw PID applied for single detectors | |
7ce8802c | 161 | |
162 | Int_t specie=0; | |
163 | ||
164 | if(detector.Contains("ITS")) specie=ApplyPidITSRaw(track,2); | |
165 | if(detector.Contains("TPC")) specie=ApplyPidTPCRaw(track,2); | |
166 | if(detector.Contains("TOF")) specie=ApplyPidTOFRaw(track,2); | |
167 | ||
168 | if(specie==2) return kTRUE; | |
169 | return kFALSE; | |
170 | } | |
171 | //--------------------------- | |
228f3aba | 172 | Bool_t AliAODPidHF::IsProtonRaw (AliAODTrack *track, TString detector) const{ |
173 | // checks if the track can be a proton raw PID applied for single detectors | |
7ce8802c | 174 | |
175 | Int_t specie=0; | |
176 | if(detector.Contains("ITS")) specie=ApplyPidITSRaw(track,4); | |
177 | if(detector.Contains("TPC")) specie=ApplyPidTPCRaw(track,4); | |
178 | if(detector.Contains("TOF")) specie=ApplyPidTOFRaw(track,4); | |
179 | ||
180 | if(specie==4) return kTRUE; | |
181 | ||
182 | return kFALSE; | |
183 | } | |
f9e3cf8e | 184 | //-------------------------- |
228f3aba | 185 | Bool_t AliAODPidHF::IsElectronRaw(AliAODTrack *track, TString detector) const{ |
186 | // checks if the track can be an electron raw PID applied for single detectors | |
f9e3cf8e | 187 | |
188 | Int_t specie=-1; | |
189 | if(detector.Contains("ITS")) specie=ApplyPidITSRaw(track,0); | |
190 | if(detector.Contains("TPC")) specie=ApplyPidTPCRaw(track,0); | |
191 | if(detector.Contains("TOF")) specie=ApplyPidTOFRaw(track,0); | |
192 | ||
193 | if(specie==0) return kTRUE; | |
194 | ||
195 | return kFALSE; | |
196 | } | |
197 | //-------------------------- | |
228f3aba | 198 | Int_t AliAODPidHF::ApplyPidTPCRaw(AliAODTrack *track,Int_t specie) const{ |
199 | // n-sigma cut, TPC PID | |
7ce8802c | 200 | |
cdac45d3 | 201 | if(!CheckStatus(track,"TPC")) return 0; |
b79bfc3e | 202 | Int_t pid=-1; |
203 | if(fOldPid){ | |
7ce8802c | 204 | AliAODPid *pidObj = track->GetDetPid(); |
205 | ||
206 | Double_t dedx=pidObj->GetTPCsignal(); | |
207 | Double_t mom = pidObj->GetTPCmomentum(); | |
2c9eefd4 | 208 | if(mom>fPtThresholdTPC) return 0; |
7ce8802c | 209 | AliTPCPIDResponse tpcResponse; |
12141139 | 210 | SetBetheBloch(tpcResponse); |
0aba57ed | 211 | UShort_t nTPCClus=pidObj->GetTPCsignalN(); |
212 | if(nTPCClus==0) {nTPCClus=track->GetTPCNcls();} | |
12141139 | 213 | |
f9e3cf8e | 214 | if(specie<0){ // from RawSignalPID : should return the particle specie to wich the de/dx is closer to the bethe-block curve -> performance to be checked |
228f3aba | 215 | Double_t nsigmaMax=fnSigma[0]; |
f9e3cf8e | 216 | for(Int_t ipart=0;ipart<5;ipart++){ |
7ce8802c | 217 | AliPID::EParticleType type=AliPID::EParticleType(ipart); |
0aba57ed | 218 | Double_t nsigma = TMath::Abs(tpcResponse.GetNumberOfSigmas(mom,dedx,nTPCClus,type)); |
228f3aba | 219 | if((nsigma<nsigmaMax) && (nsigma<fnSigma[0])) { |
7ce8802c | 220 | pid=ipart; |
221 | nsigmaMax=nsigma; | |
222 | } | |
223 | } | |
224 | }else{ // asks only for one particle specie | |
225 | AliPID::EParticleType type=AliPID::EParticleType(specie); | |
0aba57ed | 226 | Double_t nsigma = TMath::Abs(tpcResponse.GetNumberOfSigmas(mom,dedx,nTPCClus,type)); |
228f3aba | 227 | if (nsigma>fnSigma[0]) { |
f9e3cf8e | 228 | pid=-1; |
7ce8802c | 229 | }else{ |
79f3c225 | 230 | pid=specie; |
7ce8802c | 231 | } |
232 | } | |
b79bfc3e | 233 | }else{ //old pid |
234 | if(specie<0){ // from RawSignalPID : should return the particle specie to wich the de/dx is closer to the bethe-block curve -> performance to be checked | |
235 | Double_t nsigmaMax=fnSigma[0]; | |
236 | for(Int_t ipart=0;ipart<5;ipart++){ | |
237 | AliPID::EParticleType type=AliPID::EParticleType(ipart); | |
238 | Double_t nsigma = TMath::Abs(fPidResponse->NumberOfSigmasTPC(track,type)); | |
239 | if((nsigma<nsigmaMax) && (nsigma<fnSigma[0])) { | |
240 | pid=ipart; | |
241 | nsigmaMax=nsigma; | |
242 | } | |
243 | } | |
244 | }else{ // asks only for one particle specie | |
245 | AliPID::EParticleType type=AliPID::EParticleType(specie); | |
246 | Double_t nsigma = TMath::Abs(fPidResponse->NumberOfSigmasTPC(track,type)); | |
247 | if (nsigma>fnSigma[0]) { | |
248 | pid=-1; | |
249 | }else{ | |
250 | pid=specie; | |
251 | } | |
252 | } | |
253 | ||
254 | } //new pid | |
7ce8802c | 255 | |
256 | return pid; | |
257 | ||
258 | } | |
259 | //---------------------------- | |
228f3aba | 260 | Int_t AliAODPidHF::ApplyPidITSRaw(AliAODTrack *track,Int_t specie) const{ |
261 | // truncated mean, ITS PID | |
f9e3cf8e | 262 | |
cdac45d3 | 263 | if(!CheckStatus(track,"ITS")) return 0; |
b79bfc3e | 264 | Int_t pid=-1; |
f9e3cf8e | 265 | |
b79bfc3e | 266 | if(fOldPid){ |
7ce8802c | 267 | Double_t mom=track->P(); |
268 | AliAODPid *pidObj = track->GetDetPid(); | |
269 | ||
270 | Double_t dedx=pidObj->GetITSsignal(); | |
913d1957 | 271 | UChar_t clumap=track->GetITSClusterMap(); |
272 | Int_t nPointsForPid=0; | |
273 | for(Int_t i=2; i<6; i++){ | |
274 | if(clumap&(1<<i)) ++nPointsForPid; | |
275 | } | |
276 | ||
277 | Bool_t isSA=kTRUE; | |
278 | if(track->GetStatus() & AliESDtrack::kTPCin) isSA = kFALSE; | |
279 | ||
7ce8802c | 280 | AliITSPIDResponse itsResponse; |
f9e3cf8e | 281 | if(specie<0){ // from RawSignalPID : should return the particle specie to wich the de/dx is closer to the bethe-block curve -> performance to be checked |
228f3aba | 282 | Double_t nsigmaMax=fnSigma[4]; |
f9e3cf8e | 283 | for(Int_t ipart=0;ipart<5;ipart++){ |
7ce8802c | 284 | AliPID::EParticleType type=AliPID::EParticleType(ipart); |
913d1957 | 285 | Double_t nsigma = TMath::Abs(itsResponse.GetNumberOfSigmas(mom,dedx,type,nPointsForPid,isSA)); |
228f3aba | 286 | if((nsigma<nsigmaMax) && (nsigma<fnSigma[4])) { |
7ce8802c | 287 | pid=ipart; |
288 | nsigmaMax=nsigma; | |
289 | } | |
290 | } | |
291 | }else{ // asks only for one particle specie | |
292 | AliPID::EParticleType type=AliPID::EParticleType(specie); | |
293 | Double_t nsigma = TMath::Abs(itsResponse.GetNumberOfSigmas(mom,dedx,type)); | |
228f3aba | 294 | if (nsigma>fnSigma[4]) { |
f9e3cf8e | 295 | pid=-1; |
7ce8802c | 296 | }else{ |
79f3c225 | 297 | pid=specie; |
7ce8802c | 298 | } |
299 | } | |
b79bfc3e | 300 | }else{ // old pid |
301 | ||
302 | if(specie<0){ // from RawSignalPID : should return the particle specie to wich the de/dx is closer to the bethe-block curve -> performance to be checked | |
303 | Double_t nsigmaMax=fnSigma[4]; | |
304 | for(Int_t ipart=0;ipart<5;ipart++){ | |
305 | AliPID::EParticleType type=AliPID::EParticleType(ipart); | |
306 | Double_t nsigma = TMath::Abs(fPidResponse->NumberOfSigmasITS(track,type)); | |
307 | if((nsigma<nsigmaMax) && (nsigma<fnSigma[4])) { | |
308 | pid=ipart; | |
309 | nsigmaMax=nsigma; | |
310 | } | |
311 | } | |
312 | }else{ // asks only for one particle specie | |
313 | AliPID::EParticleType type=AliPID::EParticleType(specie); | |
314 | Double_t nsigma = TMath::Abs(fPidResponse->NumberOfSigmasITS(track,type)); | |
315 | if (nsigma>fnSigma[4]) { | |
316 | pid=-1; | |
317 | }else{ | |
318 | pid=specie; | |
319 | } | |
320 | } | |
321 | } //new pid | |
322 | ||
7ce8802c | 323 | return pid; |
324 | } | |
325 | //---------------------------- | |
228f3aba | 326 | Int_t AliAODPidHF::ApplyPidTOFRaw(AliAODTrack *track,Int_t specie) const{ |
327 | // n-sigma cut, TOF PID | |
f9e3cf8e | 328 | |
cdac45d3 | 329 | if(!CheckStatus(track,"TOF")) return 0; |
f9e3cf8e | 330 | |
7ce8802c | 331 | Double_t time[AliPID::kSPECIESN]; |
b257e565 | 332 | Double_t sigmaTOFPid[AliPID::kSPECIES]; |
7ce8802c | 333 | AliAODPid *pidObj = track->GetDetPid(); |
334 | pidObj->GetIntegratedTimes(time); | |
228f3aba | 335 | Double_t sigTOF=pidObj->GetTOFsignal(); |
b257e565 | 336 | pidObj->GetTOFpidResolution(sigmaTOFPid); |
337 | ||
f9e3cf8e | 338 | Int_t pid=-1; |
7ce8802c | 339 | |
b257e565 | 340 | if(specie<0){ |
341 | Double_t sigmaTOFtrack; | |
342 | if (sigmaTOFPid[4]>0) sigmaTOFtrack=sigmaTOFPid[4]; | |
343 | else sigmaTOFtrack=fTOFSigma; | |
344 | Double_t nsigmaMax=sigmaTOFtrack*fnSigma[3]; | |
f9e3cf8e | 345 | for(Int_t ipart=0;ipart<5;ipart++){ |
228f3aba | 346 | Double_t nsigma=TMath::Abs(sigTOF-time[ipart]); |
b257e565 | 347 | if (sigmaTOFPid[ipart]>0) sigmaTOFtrack=sigmaTOFPid[ipart]; |
348 | else sigmaTOFtrack=fTOFSigma; // backward compatibility for old AODs | |
349 | if((nsigma<nsigmaMax) && (nsigma<fnSigma[3]*sigmaTOFtrack)) { | |
7ce8802c | 350 | pid=ipart; |
351 | nsigmaMax=nsigma; | |
352 | } | |
353 | } | |
354 | }else{ // asks only for one particle specie | |
228f3aba | 355 | Double_t nsigma=TMath::Abs(sigTOF-time[specie]); |
b257e565 | 356 | Double_t sigmaTOFtrack; |
357 | if (sigmaTOFPid[specie]>0) sigmaTOFtrack=sigmaTOFPid[specie]; | |
358 | else sigmaTOFtrack=fTOFSigma; // backward compatibility for old AODs | |
359 | if (nsigma>fnSigma[3]*sigmaTOFtrack) { | |
360 | pid=-1; | |
361 | }else{ | |
362 | pid=specie; | |
363 | } | |
7ce8802c | 364 | } |
365 | return pid; | |
366 | ||
367 | } | |
368 | //------------------------------ | |
228f3aba | 369 | void AliAODPidHF::CombinedProbability(AliAODTrack *track,Bool_t *type) const{ |
370 | // combined PID stored inside the AOD track | |
7ce8802c | 371 | |
372 | const Double_t *pid=track->PID(); | |
373 | Float_t max=0.; | |
374 | Int_t k=-1; | |
375 | for (Int_t i=0; i<10; i++) { | |
376 | if (pid[i]>max) {k=i; max=pid[i];} | |
377 | } | |
378 | ||
379 | if(k==2) type[0]=kTRUE; | |
380 | if(k==3) type[1]=kTRUE; | |
381 | if(k==4) type[2]=kTRUE; | |
382 | ||
383 | return; | |
384 | } | |
385 | //-------------------- | |
cdac45d3 | 386 | void AliAODPidHF::BayesianProbability(AliAODTrack *track,Double_t *pid) const{ |
228f3aba | 387 | // bayesian PID for single detectors or combined |
7ce8802c | 388 | |
cdac45d3 | 389 | if(fITS && !fTPC && !fTOF) {BayesianProbabilityITS(track,pid);return;} |
390 | if(fTPC && !fITS && !fTOF) {BayesianProbabilityTPC(track,pid);return;} | |
391 | if(fTOF && !fITS && !fTPC) {BayesianProbabilityTOF(track,pid);return;} | |
392 | ||
393 | Double_t probITS[5]={1.,1.,1.,1.,1.}; | |
394 | Double_t probTPC[5]={1.,1.,1.,1.,1.}; | |
395 | Double_t probTOF[5]={1.,1.,1.,1.,1.}; | |
396 | if(fITS) BayesianProbabilityITS(track,probITS); | |
397 | if(fTPC) BayesianProbabilityTPC(track,probTPC); | |
398 | if(fTOF) BayesianProbabilityTOF(track,probTOF); | |
7ce8802c | 399 | Double_t probTot[5]={0.,0.,0.,0.,0.}; |
400 | for(Int_t i=0;i<5;i++){ | |
401 | probTot[i]=probITS[i]*probTPC[i]*probTOF[i]; | |
402 | } | |
403 | for(Int_t i2=0;i2<5;i2++){ | |
404 | pid[i2]=probTot[i2]*fPriors[i2]/(probTot[0]*fPriors[0]+probTot[1]*fPriors[1]+probTot[2]*fPriors[2]+probTot[3]*fPriors[3]+probTot[4]*fPriors[4]); | |
405 | } | |
7ce8802c | 406 | |
407 | return; | |
408 | ||
409 | } | |
410 | //------------------------------------ | |
228f3aba | 411 | void AliAODPidHF::BayesianProbabilityITS(AliAODTrack *track,Double_t *prob) const{ |
7ce8802c | 412 | |
228f3aba | 413 | // bayesian PID for ITS |
7ce8802c | 414 | AliAODpidUtil pid; |
415 | Double_t itspid[AliPID::kSPECIES]; | |
416 | pid.MakeITSPID(track,itspid); | |
417 | for(Int_t ind=0;ind<AliPID::kSPECIES;ind++){ | |
369ad90e | 418 | if(fTOF || fTPC || fTRD){ |
419 | prob[ind]=itspid[ind]; | |
420 | }else{ | |
421 | prob[ind]=itspid[ind]*fPriors[ind]/(itspid[0]*fPriors[0]+itspid[1]*fPriors[1]+itspid[2]*fPriors[2]+itspid[3]*fPriors[3]+itspid[4]*fPriors[4]); | |
422 | } | |
7ce8802c | 423 | } |
424 | return; | |
425 | ||
426 | } | |
427 | //------------------------------------ | |
228f3aba | 428 | void AliAODPidHF::BayesianProbabilityTPC(AliAODTrack *track,Double_t *prob) const{ |
429 | // bayesian PID for TPC | |
7ce8802c | 430 | |
431 | AliAODpidUtil pid; | |
432 | Double_t tpcpid[AliPID::kSPECIES]; | |
433 | pid.MakeTPCPID(track,tpcpid); | |
434 | for(Int_t ind=0;ind<AliPID::kSPECIES;ind++){ | |
369ad90e | 435 | if(fTOF || fITS || fTRD){ |
436 | prob[ind]=tpcpid[ind]; | |
7ce8802c | 437 | }else{ |
369ad90e | 438 | prob[ind]=tpcpid[ind]*fPriors[ind]/(tpcpid[0]*fPriors[0]+tpcpid[1]*fPriors[1]+tpcpid[2]*fPriors[2]+tpcpid[3]*fPriors[3]+tpcpid[4]*fPriors[4]); |
7ce8802c | 439 | } |
369ad90e | 440 | } |
7ce8802c | 441 | return; |
442 | ||
443 | } | |
444 | //------------------------------------ | |
228f3aba | 445 | void AliAODPidHF::BayesianProbabilityTOF(AliAODTrack *track,Double_t *prob) const{ |
446 | // bayesian PID for TOF | |
7ce8802c | 447 | |
448 | AliAODpidUtil pid; | |
449 | Double_t tofpid[AliPID::kSPECIES]; | |
228f3aba | 450 | pid.MakeTOFPID(track,tofpid); |
7ce8802c | 451 | for(Int_t ind=0;ind<AliPID::kSPECIES;ind++){ |
369ad90e | 452 | if(fTPC || fITS || fTRD){ |
453 | prob[ind]=tofpid[ind]; | |
454 | }else{ | |
7ce8802c | 455 | prob[ind]=tofpid[ind]*fPriors[ind]/(tofpid[0]*fPriors[0]+tofpid[1]*fPriors[1]+tofpid[2]*fPriors[2]+tofpid[3]*fPriors[3]+tofpid[4]*fPriors[4]); |
456 | } | |
369ad90e | 457 | } |
7ce8802c | 458 | return; |
459 | ||
460 | } | |
f9e3cf8e | 461 | //--------------------------------- |
228f3aba | 462 | void AliAODPidHF::BayesianProbabilityTRD(AliAODTrack *track,Double_t *prob) const{ |
463 | // bayesian PID for TRD | |
f9e3cf8e | 464 | |
465 | AliAODpidUtil pid; | |
466 | Double_t trdpid[AliPID::kSPECIES]; | |
467 | pid.MakeTRDPID(track,trdpid); | |
468 | for(Int_t ind=0;ind<AliPID::kSPECIES;ind++){ | |
369ad90e | 469 | if(fTPC || fITS || fTOF){ |
470 | prob[ind]=trdpid[ind]; | |
f9e3cf8e | 471 | }else{ |
369ad90e | 472 | prob[ind]=trdpid[ind]*fPriors[ind]/(trdpid[0]*fPriors[0]+trdpid[1]*fPriors[1]+trdpid[2]*fPriors[2]+trdpid[3]*fPriors[3]+trdpid[4]*fPriors[4]); |
f9e3cf8e | 473 | } |
369ad90e | 474 | } |
f9e3cf8e | 475 | return; |
476 | ||
477 | } | |
478 | //-------------------------------- | |
228f3aba | 479 | Bool_t AliAODPidHF::CheckStatus(AliAODTrack *track,TString detectors) const{ |
f9e3cf8e | 480 | |
228f3aba | 481 | // Quality cuts on the tracks, detector by detector |
f9e3cf8e | 482 | |
483 | if(detectors.Contains("ITS")){ | |
484 | if ((track->GetStatus()&AliESDtrack::kITSin)==0) return kFALSE; | |
485 | UChar_t clumap=track->GetITSClusterMap(); | |
486 | Int_t nPointsForPid=0; | |
487 | for(Int_t i=2; i<6; i++){ | |
488 | if(clumap&(1<<i)) ++nPointsForPid; | |
489 | } | |
913d1957 | 490 | if(nPointsForPid<3) return kFALSE; |
f9e3cf8e | 491 | } |
492 | ||
493 | if(detectors.Contains("TPC")){ | |
494 | if ((track->GetStatus()&AliESDtrack::kTPCin )==0) return kFALSE; | |
495 | UShort_t nTPCClus=track->GetTPCClusterMap().CountBits(); | |
496 | if (nTPCClus<70) return kFALSE; | |
497 | } | |
498 | ||
499 | if(detectors.Contains("TOF")){ | |
500 | if ((track->GetStatus()&AliESDtrack::kTOFout )==0) return kFALSE; | |
501 | if ((track->GetStatus()&AliESDtrack::kTIME )==0) return kFALSE; | |
502 | if ((track->GetStatus()&AliESDtrack::kTOFpid )==0) return kFALSE; | |
b257e565 | 503 | if (!(track->GetStatus()&AliESDtrack::kTOFmismatch)==0) return kFALSE; |
f9e3cf8e | 504 | } |
505 | ||
506 | ||
507 | if(detectors.Contains("TRD")){ | |
508 | if ((track->GetStatus()&AliESDtrack::kTRDout )==0) return kFALSE; | |
59a8e853 | 509 | UChar_t ntracklets = track->GetTRDntrackletsPID(); |
510 | if(ntracklets<4) return kFALSE; | |
f9e3cf8e | 511 | } |
512 | ||
513 | return kTRUE; | |
514 | } | |
228f3aba | 515 | //-------------------------------------------- |
516 | Bool_t AliAODPidHF::TPCRawAsym(AliAODTrack* track,Int_t specie) const{ | |
517 | // TPC nsigma cut PID, different sigmas in different p bins | |
518 | ||
519 | if(!CheckStatus(track,"TPC")) return kFALSE; | |
520 | AliAODPid *pidObj = track->GetDetPid(); | |
521 | Double_t mom = pidObj->GetTPCmomentum(); | |
2c9eefd4 | 522 | if(mom>fPtThresholdTPC) return 0; |
b79bfc3e | 523 | Double_t nsigma=999.; |
524 | if(fOldPid){ | |
228f3aba | 525 | Double_t dedx=pidObj->GetTPCsignal(); |
0aba57ed | 526 | UShort_t nTPCClus=pidObj->GetTPCsignalN(); |
527 | if(nTPCClus==0) {nTPCClus=track->GetTPCNcls();} | |
228f3aba | 528 | |
529 | AliTPCPIDResponse tpcResponse; | |
12141139 | 530 | SetBetheBloch(tpcResponse); |
228f3aba | 531 | AliPID::EParticleType type=AliPID::EParticleType(specie); |
b79bfc3e | 532 | nsigma = TMath::Abs(tpcResponse.GetNumberOfSigmas(mom,dedx,nTPCClus,type)); |
533 | ||
534 | }else{ //old pid | |
535 | AliPID::EParticleType type=AliPID::EParticleType(specie); | |
536 | nsigma = TMath::Abs(fPidResponse->NumberOfSigmasTPC(track,type)); | |
537 | } //new pid | |
228f3aba | 538 | |
539 | if(mom<fPLimit[0] && nsigma<fnSigma[0]) return kTRUE; | |
540 | if(mom<fPLimit[1] && mom>fPLimit[0] && nsigma<fnSigma[1]) return kTRUE; | |
541 | if(mom>fPLimit[1] && nsigma<fnSigma[2]) return kTRUE; | |
542 | ||
543 | return kFALSE; | |
544 | } | |
545 | //------------------ | |
546 | Int_t AliAODPidHF::MatchTPCTOF(AliAODTrack *track,Int_t mode,Int_t specie,Bool_t compat){ | |
547 | // combination of the PID info coming from TPC and TOF | |
548 | if(mode==1){ | |
549 | //TOF || TPC (a la' Andrea R.) | |
cdac45d3 | 550 | // convention: |
228f3aba | 551 | // for the single detectors: -1 = kFALSE, 1 = kTRUE, 0 = compatible |
552 | // the method returns the sum of the response of the 2 detectors | |
79f3c225 | 553 | if(fTPC && fTOF) {if(!CheckStatus(track,"TPC") && !CheckStatus(track,"TOF")) return 0;} |
228f3aba | 554 | |
cdac45d3 | 555 | |
1cb0f658 | 556 | Int_t tTPCinfo=0; |
cdac45d3 | 557 | if(fTPC){ |
228f3aba | 558 | if(CheckStatus(track,"TPC")) { |
559 | if(fAsym) { | |
3779f50a | 560 | if(TPCRawAsym(track,specie)) { |
1cb0f658 | 561 | tTPCinfo=1; |
3779f50a | 562 | }else{ |
1cb0f658 | 563 | tTPCinfo=-1; |
3779f50a | 564 | } |
228f3aba | 565 | }else{ |
3779f50a | 566 | if(specie==2 && IsPionRaw(track,"TPC")) { |
1cb0f658 | 567 | tTPCinfo=1; |
3779f50a | 568 | }else{ |
1cb0f658 | 569 | tTPCinfo=-1; |
3779f50a | 570 | } |
571 | if(specie==3 && IsKaonRaw(track,"TPC")) { | |
1cb0f658 | 572 | tTPCinfo=1; |
3779f50a | 573 | }else{ |
1cb0f658 | 574 | tTPCinfo=-1; |
3779f50a | 575 | } |
576 | if(specie==4 && IsProtonRaw(track,"TPC")) { | |
1cb0f658 | 577 | tTPCinfo=1; |
3779f50a | 578 | }else{ |
1cb0f658 | 579 | tTPCinfo=-1; |
3779f50a | 580 | } |
581 | ||
228f3aba | 582 | } |
583 | ||
584 | ||
1cb0f658 | 585 | if(compat && tTPCinfo<0){ |
cdac45d3 | 586 | Double_t sig0tmp=fnSigma[0]; |
ad42e35b | 587 | SetSigma(0,fnSigmaCompat[0]); |
1cb0f658 | 588 | if(specie==2 && IsPionRaw(track,"TPC")) tTPCinfo=0; |
589 | if(specie==3 && IsKaonRaw(track,"TPC")) tTPCinfo=0; | |
590 | if(specie==4 && IsProtonRaw(track,"TPC")) tTPCinfo=0; | |
cdac45d3 | 591 | SetSigma(0,sig0tmp); |
592 | } | |
228f3aba | 593 | |
cdac45d3 | 594 | } |
228f3aba | 595 | } |
596 | ||
1cb0f658 | 597 | Int_t tTOFinfo=0; |
cdac45d3 | 598 | if(fTOF){ |
1cb0f658 | 599 | if(!CheckStatus(track,"TOF") && fTPC) return tTPCinfo; |
228f3aba | 600 | |
1cb0f658 | 601 | tTOFinfo=-1; |
228f3aba | 602 | |
1cb0f658 | 603 | if(specie==2 && IsPionRaw(track,"TOF")) tTOFinfo=1; |
604 | if(specie==3 && IsKaonRaw(track,"TOF")) tTOFinfo=1; | |
605 | if(specie==4 && IsProtonRaw(track,"TOF")) tTOFinfo=1; | |
228f3aba | 606 | |
1cb0f658 | 607 | if(compat && tTOFinfo>0){ |
cdac45d3 | 608 | Double_t ptrack=track->P(); |
ad42e35b | 609 | if(ptrack>fPCompatTOF) { |
610 | Double_t sig0tmp=fnSigma[3]; | |
611 | SetSigma(3,fnSigmaCompat[1]); | |
612 | if(specie==2 && IsPionRaw(track,"TOF")) tTOFinfo=0; | |
613 | if(specie==3 && IsKaonRaw(track,"TOF")) tTOFinfo=0; | |
614 | if(specie==4 && IsProtonRaw(track,"TOF")) tTOFinfo=0; | |
615 | SetSigma(3,sig0tmp); | |
616 | } | |
cdac45d3 | 617 | } |
79f3c225 | 618 | } |
913d1957 | 619 | |
439d61b7 | 620 | |
621 | if(tTPCinfo+tTOFinfo==0 && fTOFdecide){ | |
622 | if(!CheckStatus(track,"TOF")) return tTPCinfo; | |
623 | return tTOFinfo; | |
624 | } | |
625 | ||
913d1957 | 626 | if(tTPCinfo+tTOFinfo==0 && fITS){ |
627 | if(!CheckStatus(track,"ITS")) return tTPCinfo+tTOFinfo; | |
628 | Int_t tITSinfo = -1; | |
2a5813a1 | 629 | if(specie==2 && IsPionRaw(track,"ITS")) tITSinfo=1; |
630 | if(specie==3 && IsKaonRaw(track,"ITS")) tITSinfo=1; | |
631 | if(specie==4 && IsProtonRaw(track,"ITS")) tITSinfo=1; | |
913d1957 | 632 | return tITSinfo; |
633 | } | |
634 | ||
1cb0f658 | 635 | return tTPCinfo+tTOFinfo; |
cdac45d3 | 636 | } |
228f3aba | 637 | if(mode==2){ |
638 | //TPC & TOF (a la' Yifei) | |
cdac45d3 | 639 | // convention: -1 = kFALSE, 1 = kTRUE, 0 = not identified |
1cb0f658 | 640 | Int_t tTPCinfo=0; |
cdac45d3 | 641 | |
642 | if(fTPC && CheckStatus(track,"TPC")) { | |
1cb0f658 | 643 | tTPCinfo=1; |
228f3aba | 644 | if(fAsym){ |
1cb0f658 | 645 | if(!TPCRawAsym(track,specie)) tTPCinfo=-1; |
228f3aba | 646 | }else{ |
1cb0f658 | 647 | if(specie==2 && !IsPionRaw(track,"TPC")) tTPCinfo=-1; |
648 | if(specie==3 && !IsKaonRaw(track,"TPC")) tTPCinfo=-1; | |
649 | if(specie==4 && !IsProtonRaw(track,"TPC")) tTPCinfo=-1; | |
228f3aba | 650 | } |
651 | } | |
652 | ||
1cb0f658 | 653 | Int_t tTOFinfo=1; |
cdac45d3 | 654 | if(fTOF){ |
1cb0f658 | 655 | if(fTPC && !CheckStatus(track,"TOF")) return tTPCinfo; |
228f3aba | 656 | |
1cb0f658 | 657 | if(specie==2 && !IsPionRaw(track,"TOF")) tTOFinfo=-1; |
658 | if(specie==3 && !IsKaonRaw(track,"TOF")) tTOFinfo=-1; | |
659 | if(specie==4 && !IsProtonRaw(track,"TOF")) tTOFinfo=-1; | |
cdac45d3 | 660 | } |
913d1957 | 661 | |
662 | if(tTOFinfo==1 && tTPCinfo==1) return 1; | |
663 | ||
664 | if(tTPCinfo+tTOFinfo==0 && fITS){ | |
665 | if(!CheckStatus(track,"ITS")) return tTPCinfo+tTOFinfo; | |
666 | Int_t tITSinfo = -1; | |
2a5813a1 | 667 | if(specie==2 && IsPionRaw(track,"ITS")) tITSinfo=1; |
668 | if(specie==3 && IsKaonRaw(track,"ITS")) tITSinfo=1; | |
669 | if(specie==4 && IsProtonRaw(track,"ITS")) tITSinfo=1; | |
913d1957 | 670 | return tITSinfo; |
671 | } | |
228f3aba | 672 | |
228f3aba | 673 | return -1; |
674 | ||
cdac45d3 | 675 | } |
228f3aba | 676 | |
677 | if(mode==3){ | |
678 | //TPC for p<fPLimit[0], TOF for p>=fPLimit[0] (a la' Andrea A.) | |
679 | // convention (temporary): -1 = kFALSE, 1 = kTRUE, 0 = not identified | |
680 | ||
cdac45d3 | 681 | if(fTPC && fTOF) if(!CheckStatus(track,"TPC") && !CheckStatus(track,"TOF")) return 0; |
228f3aba | 682 | |
683 | Double_t ptrack=track->P(); | |
684 | ||
685 | ||
1cb0f658 | 686 | Int_t tTPCinfo=-1; |
228f3aba | 687 | |
913d1957 | 688 | if(ptrack>=fPLimit[0] && ptrack<fPLimit[1] && fTPC) { |
228f3aba | 689 | if(!CheckStatus(track,"TPC")) return 0; |
690 | if(fAsym) { | |
1cb0f658 | 691 | if(TPCRawAsym(track,specie)) tTPCinfo=1; |
228f3aba | 692 | }else{ |
1cb0f658 | 693 | if(specie==2 && IsPionRaw(track,"TPC")) tTPCinfo=1; |
694 | if(specie==3 && IsKaonRaw(track,"TPC")) tTPCinfo=1; | |
695 | if(specie==4 && IsProtonRaw(track,"TPC")) tTPCinfo=1; | |
228f3aba | 696 | } |
1cb0f658 | 697 | return tTPCinfo; |
228f3aba | 698 | } |
699 | ||
1cb0f658 | 700 | Int_t tTOFinfo=-1; |
913d1957 | 701 | if(ptrack>=fPLimit[1] && fTOF){ |
228f3aba | 702 | if(!CheckStatus(track,"TOF")) return 0; |
1cb0f658 | 703 | if(specie==2 && IsPionRaw(track,"TOF")) tTOFinfo=1; |
704 | if(specie==3 && IsKaonRaw(track,"TOF")) tTOFinfo=1; | |
705 | if(specie==4 && IsProtonRaw(track,"TOF")) tTOFinfo=1; | |
706 | return tTOFinfo; | |
228f3aba | 707 | } |
708 | ||
913d1957 | 709 | Int_t tITSinfo=-1; |
710 | if(ptrack<fPLimit[0] && fITS){ | |
711 | if(!CheckStatus(track,"ITS")) return 0; | |
712 | if(specie==2 && IsPionRaw(track,"ITS")) tITSinfo=1; | |
713 | if(specie==3 && IsKaonRaw(track,"ITS")) tITSinfo=1; | |
714 | if(specie==4 && IsProtonRaw(track,"ITS")) tITSinfo=1; | |
715 | return tITSinfo; | |
716 | } | |
717 | ||
228f3aba | 718 | } |
719 | ||
720 | return -1; | |
cdac45d3 | 721 | |
722 | } | |
723 | //---------------------------------- | |
724 | Int_t AliAODPidHF::MakeRawPid(AliAODTrack *track, Int_t specie){ | |
1cb0f658 | 725 | // general method to compute PID |
cdac45d3 | 726 | if(fMatch>0){ |
1cb0f658 | 727 | return MatchTPCTOF(track,fMatch,specie,fCompat); |
cdac45d3 | 728 | }else{ |
729 | if(fTPC && !fTOF && !fITS) { | |
ad42e35b | 730 | Int_t tTPCres=0; |
731 | if(!fAsym){ | |
732 | tTPCres=ApplyPidTPCRaw(track,specie); | |
733 | }else{ | |
734 | if(TPCRawAsym(track,specie)) { | |
735 | tTPCres=1; | |
736 | }else{ | |
737 | tTPCres=-1; | |
738 | } | |
739 | } | |
1cb0f658 | 740 | if(tTPCres==specie){return 1;}else{return tTPCres;}; |
cdac45d3 | 741 | }else{ |
742 | AliError("You should enable just one detector if you don't want to match"); | |
743 | return 0; | |
744 | } | |
745 | if(fTOF && !fTPC && !fITS) { | |
1cb0f658 | 746 | Int_t tTOFres=ApplyPidTOFRaw(track,specie); |
747 | if(tTOFres==specie){return 1;}else{return tTOFres;}; | |
cdac45d3 | 748 | }else{ |
749 | AliError("You should enable just one detector if you don't want to match"); | |
750 | return 0; | |
751 | } | |
752 | ||
753 | if(fITS && !fTPC && !fTOF) { | |
1cb0f658 | 754 | Int_t tITSres=ApplyPidITSRaw(track,specie); |
755 | if(tITSres==specie){return 1;}else{return tITSres;}; | |
cdac45d3 | 756 | }else{ |
757 | AliError("You should enable just one detector if you don't want to match"); | |
758 | return 0; | |
759 | } | |
760 | } | |
761 | ||
228f3aba | 762 | } |
12141139 | 763 | //-------------------------------------------- |
bad87dce | 764 | void AliAODPidHF::SetBetheBloch(AliTPCPIDResponse &tpcResp) const{ |
12141139 | 765 | |
766 | Double_t alephParameters[5]; | |
98db0ef2 | 767 | |
32a978c2 | 768 | if(fMC) { // MC |
12141139 | 769 | |
32a978c2 | 770 | if(fPbPb) { // PbPb MC |
771 | ||
9ea811e0 | 772 | alephParameters[0] = 1.44405/50.; |
32a978c2 | 773 | alephParameters[1] = 2.35409e+01; |
774 | alephParameters[2] = TMath::Exp(-2.90330e+01); | |
775 | alephParameters[3] = 2.10681e+00; | |
776 | alephParameters[4] = 4.62254e+00; | |
12141139 | 777 | |
32a978c2 | 778 | } else { // pp MC |
5821ea5b | 779 | if(fMCLowEn2011){ |
780 | alephParameters[0]=0.0207667; | |
781 | alephParameters[1]=29.9936; | |
782 | alephParameters[2]=3.87866e-11; | |
783 | alephParameters[3]=2.17291; | |
784 | alephParameters[4]=7.1623; | |
3d4afb8c | 785 | }else if(fOnePad){ |
786 | alephParameters[0]=0.029021; | |
787 | alephParameters[1]=25.4181; | |
788 | alephParameters[2]=4.66596e-08; | |
789 | alephParameters[3]=1.90008; | |
790 | alephParameters[4]=4.63783; | |
5821ea5b | 791 | }else{ |
792 | alephParameters[0] = 2.15898/50.; | |
793 | alephParameters[1] = 1.75295e+01; | |
794 | alephParameters[2] = 3.40030e-09; | |
795 | alephParameters[3] = 1.96178e+00; | |
796 | alephParameters[4] = 3.91720e+00; | |
797 | } | |
32a978c2 | 798 | } |
12141139 | 799 | |
32a978c2 | 800 | } else { // Real Data |
801 | ||
802 | if(fOnePad) { // pp 1-pad (since LHC10d) | |
803 | ||
67a82ef2 | 804 | alephParameters[0] =1.34490e+00/50.; |
805 | alephParameters[1] = 2.69455e+01; | |
806 | alephParameters[2] = TMath::Exp(-2.97552e+01); | |
807 | alephParameters[3] = 2.35339e+00; | |
808 | alephParameters[4] = 5.98079e+00; | |
809 | ||
810 | } else if(fPbPb) { // PbPb | |
811 | ||
812 | // alephParameters[0] = 1.25202/50.; | |
813 | // alephParameters[1] = 2.74992e+01; | |
814 | // alephParameters[2] = TMath::Exp(-3.31517e+01); | |
815 | // alephParameters[3] = 2.46246; | |
816 | // alephParameters[4] = 6.78938; | |
817 | ||
818 | alephParameters[0] = 5.10207e+00/50.; | |
819 | alephParameters[1] = 7.94982e+00; | |
820 | alephParameters[2] = TMath::Exp(-9.07942e+00); | |
821 | alephParameters[3] = 2.38808e+00; | |
822 | alephParameters[4] = 1.68165e+00; | |
823 | ||
824 | } else if(fppLowEn2011){ // pp low energy | |
825 | ||
826 | alephParameters[0]=0.031642; | |
827 | alephParameters[1]=22.353; | |
828 | alephParameters[2]=4.16239e-12; | |
829 | alephParameters[3]=2.61952; | |
830 | alephParameters[4]=5.76086; | |
831 | ||
832 | } else { // pp no 1-pad (LHC10bc) | |
833 | ||
834 | alephParameters[0] = 0.0283086/0.97; | |
835 | alephParameters[1] = 2.63394e+01; | |
836 | alephParameters[2] = 5.04114e-11; | |
837 | alephParameters[3] = 2.12543e+00; | |
838 | alephParameters[4] = 4.88663e+00; | |
839 | ||
840 | } | |
98db0ef2 | 841 | |
12141139 | 842 | } |
843 | ||
844 | tpcResp.SetBetheBlochParameters(alephParameters[0],alephParameters[1],alephParameters[2],alephParameters[3],alephParameters[4]); | |
845 | ||
846 | ||
847 | return; | |
848 | ||
849 | } | |
d50b25df | 850 | //----------------------- |
851 | Bool_t AliAODPidHF::IsTOFPiKexcluded(AliAODTrack *track,Double_t nsigmaK){ | |
852 | ||
853 | ||
854 | if(!CheckStatus(track,"TOF")) return 0; | |
855 | ||
856 | Double_t time[AliPID::kSPECIESN]; | |
857 | Double_t sigmaTOFPid[AliPID::kSPECIES]; | |
858 | AliAODPid *pidObj = track->GetDetPid(); | |
859 | pidObj->GetIntegratedTimes(time); | |
860 | Double_t sigTOF=pidObj->GetTOFsignal(); | |
861 | pidObj->GetTOFpidResolution(sigmaTOFPid); | |
862 | Double_t sigmaTOFtrack; | |
863 | if (sigmaTOFPid[3]>0) sigmaTOFtrack=sigmaTOFPid[3]; | |
864 | else sigmaTOFtrack=fTOFSigma; // backward compatibility for old AODs | |
865 | ||
866 | if((sigTOF-time[3])>nsigmaK*sigmaTOFtrack)return kTRUE;// K, Pi excluded (->LIKELY A PROTON) | |
867 | ||
868 | return kFALSE; | |
869 | ||
870 | } | |
64e39959 | 871 | //-------------------------------------------------------------------------- |
872 | void AliAODPidHF::SetPriorDistribution(AliPID::EParticleType type,TH1F *prior){ | |
873 | ||
874 | // | |
875 | // method setting the prior distributions to the AliPIDCombined object of the AliAODPidHF data member | |
876 | // all the checks are done directly in the AliPIDCombined object | |
877 | // | |
878 | ||
879 | GetPidCombined()->SetPriorDistribution(type,prior); | |
880 | } | |
881 | //-------------------------------------------------------------------------- | |
882 | void AliAODPidHF::DrawPrior(AliPID::EParticleType type){ | |
883 | ||
884 | // | |
885 | // Drawing prior distribution for type "type" | |
886 | ||
887 | new TCanvas(); | |
888 | GetPidCombined()->GetPriorDistribution(type)->Draw(); | |
889 | } | |
d50b25df | 890 |