1 /**************************************************************************
2 * Copyright(c) 1998-2006, ALICE Experiment at CERN, All rights reserved. *
5 * Author: The ALICE Off-line Project. *
6 * Contributors are mentioned in the code where appropriate. *
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 * *************************************************************************/
19 //***********************************************************
21 // class for PID with AliAODRecoDecayHF
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
23 //***********************************************************
24 #include "AliAODPidHF.h"
25 #include "AliAODPid.h"
27 #include "AliTPCPIDResponse.h"
28 #include "AliITSPIDResponse.h"
29 #include "AliTOFPIDResponse.h"
30 #include "AliAODpidUtil.h"
31 #include "AliESDtrack.h"
36 //------------------------------
37 AliAODPidHF::AliAODPidHF():
62 // Default constructor
64 fPLimit=new Double_t[fnPLimit];
65 fnSigma=new Double_t[fnNSigma];
66 fPriors=new Double_t[fnPriors];
67 fnSigmaCompat=new Double_t[fnNSigmaCompat];
69 for(Int_t i=0;i<fnNSigma;i++){
72 for(Int_t i=0;i<fnPriors;i++){
75 for(Int_t i=0;i<fnPLimit;i++){
78 for(Int_t i=0;i<fnNSigmaCompat;i++){
83 //----------------------
84 AliAODPidHF::~AliAODPidHF()
87 // if(fPLimit) delete fPLimit;
88 // if(fnSigma) delete fnSigma;
89 // if(fPriors) delete fPriors;
91 //------------------------
92 AliAODPidHF::AliAODPidHF(const AliAODPidHF& pid) :
94 fnNSigma(pid.fnNSigma),
96 fTOFSigma(pid.fTOFSigma),
97 fnPriors(pid.fnPriors),
99 fnPLimit(pid.fnPLimit),
100 fPLimit(pid.fPLimit),
107 fCompat(pid.fCompat),
108 fPCompatTOF(pid.fPCompatTOF),
109 fnNSigmaCompat(pid.fnNSigmaCompat),
110 fnSigmaCompat(pid.fnSigmaCompat),
112 fOnePad(pid.fOnePad),
113 fMCLowEn2011(pid.fMCLowEn2011),
117 for(Int_t i=0;i<5;i++){
118 fPriors[i]=pid.fPriors[i];
123 //----------------------
124 Int_t AliAODPidHF::RawSignalPID(AliAODTrack *track, TString detector) const{
125 // raw PID for single detectors, returns the particle type with smaller sigma
127 if(detector.Contains("ITS")) return ApplyPidITSRaw(track,specie);
128 if(detector.Contains("TPC")) return ApplyPidTPCRaw(track,specie);
129 if(detector.Contains("TOF")) return ApplyPidTOFRaw(track,specie);
134 //---------------------------
135 Bool_t AliAODPidHF::IsKaonRaw(AliAODTrack *track, TString detector) const{
136 // checks if the track can be a kaon, raw PID applied for single detectors
139 if(detector.Contains("ITS")) specie=ApplyPidITSRaw(track,3);
140 if(detector.Contains("TPC")) specie=ApplyPidTPCRaw(track,3);
141 if(detector.Contains("TOF")) specie=ApplyPidTOFRaw(track,3);
143 if(specie==3) return kTRUE;
146 //---------------------------
147 Bool_t AliAODPidHF::IsPionRaw (AliAODTrack *track, TString detector) const{
148 // checks if the track can be a pion, raw PID applied for single detectors
152 if(detector.Contains("ITS")) specie=ApplyPidITSRaw(track,2);
153 if(detector.Contains("TPC")) specie=ApplyPidTPCRaw(track,2);
154 if(detector.Contains("TOF")) specie=ApplyPidTOFRaw(track,2);
156 if(specie==2) return kTRUE;
159 //---------------------------
160 Bool_t AliAODPidHF::IsProtonRaw (AliAODTrack *track, TString detector) const{
161 // checks if the track can be a proton raw PID applied for single detectors
164 if(detector.Contains("ITS")) specie=ApplyPidITSRaw(track,4);
165 if(detector.Contains("TPC")) specie=ApplyPidTPCRaw(track,4);
166 if(detector.Contains("TOF")) specie=ApplyPidTOFRaw(track,4);
168 if(specie==4) return kTRUE;
172 //--------------------------
173 Bool_t AliAODPidHF::IsElectronRaw(AliAODTrack *track, TString detector) const{
174 // checks if the track can be an electron raw PID applied for single detectors
177 if(detector.Contains("ITS")) specie=ApplyPidITSRaw(track,0);
178 if(detector.Contains("TPC")) specie=ApplyPidTPCRaw(track,0);
179 if(detector.Contains("TOF")) specie=ApplyPidTOFRaw(track,0);
181 if(specie==0) return kTRUE;
185 //--------------------------
186 Int_t AliAODPidHF::ApplyPidTPCRaw(AliAODTrack *track,Int_t specie) const{
187 // n-sigma cut, TPC PID
189 if(!CheckStatus(track,"TPC")) return 0;
190 AliAODPid *pidObj = track->GetDetPid();
192 Double_t dedx=pidObj->GetTPCsignal();
193 Double_t mom = pidObj->GetTPCmomentum();
194 AliTPCPIDResponse tpcResponse;
195 SetBetheBloch(tpcResponse);
196 UShort_t nTPCClus=pidObj->GetTPCsignalN();
197 if(nTPCClus==0) {nTPCClus=track->GetTPCNcls();}
200 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
201 Double_t nsigmaMax=fnSigma[0];
202 for(Int_t ipart=0;ipart<5;ipart++){
203 AliPID::EParticleType type=AliPID::EParticleType(ipart);
204 Double_t nsigma = TMath::Abs(tpcResponse.GetNumberOfSigmas(mom,dedx,nTPCClus,type));
205 if((nsigma<nsigmaMax) && (nsigma<fnSigma[0])) {
210 }else{ // asks only for one particle specie
211 AliPID::EParticleType type=AliPID::EParticleType(specie);
212 Double_t nsigma = TMath::Abs(tpcResponse.GetNumberOfSigmas(mom,dedx,nTPCClus,type));
213 if (nsigma>fnSigma[0]) {
223 //----------------------------
224 Int_t AliAODPidHF::ApplyPidITSRaw(AliAODTrack *track,Int_t specie) const{
225 // truncated mean, ITS PID
227 if(!CheckStatus(track,"ITS")) return 0;
229 Double_t mom=track->P();
230 AliAODPid *pidObj = track->GetDetPid();
232 Double_t dedx=pidObj->GetITSsignal();
233 UChar_t clumap=track->GetITSClusterMap();
234 Int_t nPointsForPid=0;
235 for(Int_t i=2; i<6; i++){
236 if(clumap&(1<<i)) ++nPointsForPid;
240 if(track->GetStatus() & AliESDtrack::kTPCin) isSA = kFALSE;
242 AliITSPIDResponse itsResponse;
244 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
245 Double_t nsigmaMax=fnSigma[4];
246 for(Int_t ipart=0;ipart<5;ipart++){
247 AliPID::EParticleType type=AliPID::EParticleType(ipart);
248 Double_t nsigma = TMath::Abs(itsResponse.GetNumberOfSigmas(mom,dedx,type,nPointsForPid,isSA));
249 if((nsigma<nsigmaMax) && (nsigma<fnSigma[4])) {
254 }else{ // asks only for one particle specie
255 AliPID::EParticleType type=AliPID::EParticleType(specie);
256 Double_t nsigma = TMath::Abs(itsResponse.GetNumberOfSigmas(mom,dedx,type));
257 if (nsigma>fnSigma[4]) {
265 //----------------------------
266 Int_t AliAODPidHF::ApplyPidTOFRaw(AliAODTrack *track,Int_t specie) const{
267 // n-sigma cut, TOF PID
269 if(!CheckStatus(track,"TOF")) return 0;
271 Double_t time[AliPID::kSPECIESN];
272 Double_t sigmaTOFPid[AliPID::kSPECIES];
273 AliAODPid *pidObj = track->GetDetPid();
274 pidObj->GetIntegratedTimes(time);
275 Double_t sigTOF=pidObj->GetTOFsignal();
276 pidObj->GetTOFpidResolution(sigmaTOFPid);
281 Double_t sigmaTOFtrack;
282 if (sigmaTOFPid[4]>0) sigmaTOFtrack=sigmaTOFPid[4];
283 else sigmaTOFtrack=fTOFSigma;
284 Double_t nsigmaMax=sigmaTOFtrack*fnSigma[3];
285 for(Int_t ipart=0;ipart<5;ipart++){
286 Double_t nsigma=TMath::Abs(sigTOF-time[ipart]);
287 if (sigmaTOFPid[ipart]>0) sigmaTOFtrack=sigmaTOFPid[ipart];
288 else sigmaTOFtrack=fTOFSigma; // backward compatibility for old AODs
289 if((nsigma<nsigmaMax) && (nsigma<fnSigma[3]*sigmaTOFtrack)) {
294 }else{ // asks only for one particle specie
295 Double_t nsigma=TMath::Abs(sigTOF-time[specie]);
296 Double_t sigmaTOFtrack;
297 if (sigmaTOFPid[specie]>0) sigmaTOFtrack=sigmaTOFPid[specie];
298 else sigmaTOFtrack=fTOFSigma; // backward compatibility for old AODs
299 if (nsigma>fnSigma[3]*sigmaTOFtrack) {
308 //------------------------------
309 void AliAODPidHF::CombinedProbability(AliAODTrack *track,Bool_t *type) const{
310 // combined PID stored inside the AOD track
312 const Double_t *pid=track->PID();
315 for (Int_t i=0; i<10; i++) {
316 if (pid[i]>max) {k=i; max=pid[i];}
319 if(k==2) type[0]=kTRUE;
320 if(k==3) type[1]=kTRUE;
321 if(k==4) type[2]=kTRUE;
325 //--------------------
326 void AliAODPidHF::BayesianProbability(AliAODTrack *track,Double_t *pid) const{
327 // bayesian PID for single detectors or combined
329 if(fITS && !fTPC && !fTOF) {BayesianProbabilityITS(track,pid);return;}
330 if(fTPC && !fITS && !fTOF) {BayesianProbabilityTPC(track,pid);return;}
331 if(fTOF && !fITS && !fTPC) {BayesianProbabilityTOF(track,pid);return;}
333 Double_t probITS[5]={1.,1.,1.,1.,1.};
334 Double_t probTPC[5]={1.,1.,1.,1.,1.};
335 Double_t probTOF[5]={1.,1.,1.,1.,1.};
336 if(fITS) BayesianProbabilityITS(track,probITS);
337 if(fTPC) BayesianProbabilityTPC(track,probTPC);
338 if(fTOF) BayesianProbabilityTOF(track,probTOF);
339 Double_t probTot[5]={0.,0.,0.,0.,0.};
340 for(Int_t i=0;i<5;i++){
341 probTot[i]=probITS[i]*probTPC[i]*probTOF[i];
343 for(Int_t i2=0;i2<5;i2++){
344 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]);
350 //------------------------------------
351 void AliAODPidHF::BayesianProbabilityITS(AliAODTrack *track,Double_t *prob) const{
353 // bayesian PID for ITS
355 Double_t itspid[AliPID::kSPECIES];
356 pid.MakeITSPID(track,itspid);
357 for(Int_t ind=0;ind<AliPID::kSPECIES;ind++){
358 if(fTOF || fTPC || fTRD){
359 prob[ind]=itspid[ind];
361 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]);
367 //------------------------------------
368 void AliAODPidHF::BayesianProbabilityTPC(AliAODTrack *track,Double_t *prob) const{
369 // bayesian PID for TPC
372 Double_t tpcpid[AliPID::kSPECIES];
373 pid.MakeTPCPID(track,tpcpid);
374 for(Int_t ind=0;ind<AliPID::kSPECIES;ind++){
375 if(fTOF || fITS || fTRD){
376 prob[ind]=tpcpid[ind];
378 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]);
384 //------------------------------------
385 void AliAODPidHF::BayesianProbabilityTOF(AliAODTrack *track,Double_t *prob) const{
386 // bayesian PID for TOF
389 Double_t tofpid[AliPID::kSPECIES];
390 pid.MakeTOFPID(track,tofpid);
391 for(Int_t ind=0;ind<AliPID::kSPECIES;ind++){
392 if(fTPC || fITS || fTRD){
393 prob[ind]=tofpid[ind];
395 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]);
401 //---------------------------------
402 void AliAODPidHF::BayesianProbabilityTRD(AliAODTrack *track,Double_t *prob) const{
403 // bayesian PID for TRD
406 Double_t trdpid[AliPID::kSPECIES];
407 pid.MakeTRDPID(track,trdpid);
408 for(Int_t ind=0;ind<AliPID::kSPECIES;ind++){
409 if(fTPC || fITS || fTOF){
410 prob[ind]=trdpid[ind];
412 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]);
418 //--------------------------------
419 Bool_t AliAODPidHF::CheckStatus(AliAODTrack *track,TString detectors) const{
421 // Quality cuts on the tracks, detector by detector
423 if(detectors.Contains("ITS")){
424 if ((track->GetStatus()&AliESDtrack::kITSin)==0) return kFALSE;
425 UChar_t clumap=track->GetITSClusterMap();
426 Int_t nPointsForPid=0;
427 for(Int_t i=2; i<6; i++){
428 if(clumap&(1<<i)) ++nPointsForPid;
430 if(nPointsForPid<3) return kFALSE;
433 if(detectors.Contains("TPC")){
434 if ((track->GetStatus()&AliESDtrack::kTPCin )==0) return kFALSE;
435 UShort_t nTPCClus=track->GetTPCClusterMap().CountBits();
436 if (nTPCClus<70) return kFALSE;
439 if(detectors.Contains("TOF")){
440 if ((track->GetStatus()&AliESDtrack::kTOFout )==0) return kFALSE;
441 if ((track->GetStatus()&AliESDtrack::kTIME )==0) return kFALSE;
442 if ((track->GetStatus()&AliESDtrack::kTOFpid )==0) return kFALSE;
443 if (!(track->GetStatus()&AliESDtrack::kTOFmismatch)==0) return kFALSE;
447 if(detectors.Contains("TRD")){
448 if ((track->GetStatus()&AliESDtrack::kTRDout )==0) return kFALSE;
449 AliAODPid *pidObj = track->GetDetPid();
450 Float_t *mom=pidObj->GetTRDmomentum();
452 for(Int_t iPl=0;iPl<6;iPl++){
453 if(mom[iPl]>0.) ntracklets++;
455 if(ntracklets<4) return kFALSE;
460 //--------------------------------------------
461 Bool_t AliAODPidHF::TPCRawAsym(AliAODTrack* track,Int_t specie) const{
462 // TPC nsigma cut PID, different sigmas in different p bins
464 if(!CheckStatus(track,"TPC")) return kFALSE;
465 AliAODPid *pidObj = track->GetDetPid();
466 Double_t mom = pidObj->GetTPCmomentum();
467 Double_t dedx=pidObj->GetTPCsignal();
468 UShort_t nTPCClus=pidObj->GetTPCsignalN();
469 if(nTPCClus==0) {nTPCClus=track->GetTPCNcls();}
471 AliTPCPIDResponse tpcResponse;
472 SetBetheBloch(tpcResponse);
473 AliPID::EParticleType type=AliPID::EParticleType(specie);
474 Double_t nsigma = TMath::Abs(tpcResponse.GetNumberOfSigmas(mom,dedx,nTPCClus,type));
476 if(mom<fPLimit[0] && nsigma<fnSigma[0]) return kTRUE;
477 if(mom<fPLimit[1] && mom>fPLimit[0] && nsigma<fnSigma[1]) return kTRUE;
478 if(mom>fPLimit[1] && nsigma<fnSigma[2]) return kTRUE;
483 Int_t AliAODPidHF::MatchTPCTOF(AliAODTrack *track,Int_t mode,Int_t specie,Bool_t compat){
484 // combination of the PID info coming from TPC and TOF
486 //TOF || TPC (a la' Andrea R.)
488 // for the single detectors: -1 = kFALSE, 1 = kTRUE, 0 = compatible
489 // the method returns the sum of the response of the 2 detectors
490 if(fTPC && fTOF) {if(!CheckStatus(track,"TPC") && !CheckStatus(track,"TOF")) return 0;}
495 if(CheckStatus(track,"TPC")) {
497 if(TPCRawAsym(track,specie)) {
503 if(specie==2 && IsPionRaw(track,"TPC")) {
508 if(specie==3 && IsKaonRaw(track,"TPC")) {
513 if(specie==4 && IsProtonRaw(track,"TPC")) {
522 if(compat && tTPCinfo<0){
523 Double_t sig0tmp=fnSigma[0];
524 SetSigma(0,fnSigmaCompat[0]);
525 if(specie==2 && IsPionRaw(track,"TPC")) tTPCinfo=0;
526 if(specie==3 && IsKaonRaw(track,"TPC")) tTPCinfo=0;
527 if(specie==4 && IsProtonRaw(track,"TPC")) tTPCinfo=0;
536 if(!CheckStatus(track,"TOF") && fTPC) return tTPCinfo;
540 if(specie==2 && IsPionRaw(track,"TOF")) tTOFinfo=1;
541 if(specie==3 && IsKaonRaw(track,"TOF")) tTOFinfo=1;
542 if(specie==4 && IsProtonRaw(track,"TOF")) tTOFinfo=1;
544 if(compat && tTOFinfo>0){
545 Double_t ptrack=track->P();
546 if(ptrack>fPCompatTOF) {
547 Double_t sig0tmp=fnSigma[3];
548 SetSigma(3,fnSigmaCompat[1]);
549 if(specie==2 && IsPionRaw(track,"TOF")) tTOFinfo=0;
550 if(specie==3 && IsKaonRaw(track,"TOF")) tTOFinfo=0;
551 if(specie==4 && IsProtonRaw(track,"TOF")) tTOFinfo=0;
557 if(tTPCinfo+tTOFinfo==0 && fITS){
558 if(!CheckStatus(track,"ITS")) return tTPCinfo+tTOFinfo;
560 if(specie==2 && IsPionRaw(track,"ITS")) tITSinfo=1;
561 if(specie==3 && IsKaonRaw(track,"ITS")) tITSinfo=1;
562 if(specie==4 && IsProtonRaw(track,"ITS")) tITSinfo=1;
566 return tTPCinfo+tTOFinfo;
569 //TPC & TOF (a la' Yifei)
570 // convention: -1 = kFALSE, 1 = kTRUE, 0 = not identified
573 if(fTPC && CheckStatus(track,"TPC")) {
576 if(!TPCRawAsym(track,specie)) tTPCinfo=-1;
578 if(specie==2 && !IsPionRaw(track,"TPC")) tTPCinfo=-1;
579 if(specie==3 && !IsKaonRaw(track,"TPC")) tTPCinfo=-1;
580 if(specie==4 && !IsProtonRaw(track,"TPC")) tTPCinfo=-1;
586 if(fTPC && !CheckStatus(track,"TOF")) return tTPCinfo;
588 if(specie==2 && !IsPionRaw(track,"TOF")) tTOFinfo=-1;
589 if(specie==3 && !IsKaonRaw(track,"TOF")) tTOFinfo=-1;
590 if(specie==4 && !IsProtonRaw(track,"TOF")) tTOFinfo=-1;
593 if(tTOFinfo==1 && tTPCinfo==1) return 1;
595 if(tTPCinfo+tTOFinfo==0 && fITS){
596 if(!CheckStatus(track,"ITS")) return tTPCinfo+tTOFinfo;
598 if(specie==2 && IsPionRaw(track,"ITS")) tITSinfo=1;
599 if(specie==3 && IsKaonRaw(track,"ITS")) tITSinfo=1;
600 if(specie==4 && IsProtonRaw(track,"ITS")) tITSinfo=1;
609 //TPC for p<fPLimit[0], TOF for p>=fPLimit[0] (a la' Andrea A.)
610 // convention (temporary): -1 = kFALSE, 1 = kTRUE, 0 = not identified
612 if(fTPC && fTOF) if(!CheckStatus(track,"TPC") && !CheckStatus(track,"TOF")) return 0;
614 Double_t ptrack=track->P();
619 if(ptrack>=fPLimit[0] && ptrack<fPLimit[1] && fTPC) {
620 if(!CheckStatus(track,"TPC")) return 0;
622 if(TPCRawAsym(track,specie)) tTPCinfo=1;
624 if(specie==2 && IsPionRaw(track,"TPC")) tTPCinfo=1;
625 if(specie==3 && IsKaonRaw(track,"TPC")) tTPCinfo=1;
626 if(specie==4 && IsProtonRaw(track,"TPC")) tTPCinfo=1;
632 if(ptrack>=fPLimit[1] && fTOF){
633 if(!CheckStatus(track,"TOF")) return 0;
634 if(specie==2 && IsPionRaw(track,"TOF")) tTOFinfo=1;
635 if(specie==3 && IsKaonRaw(track,"TOF")) tTOFinfo=1;
636 if(specie==4 && IsProtonRaw(track,"TOF")) tTOFinfo=1;
641 if(ptrack<fPLimit[0] && fITS){
642 if(!CheckStatus(track,"ITS")) return 0;
643 if(specie==2 && IsPionRaw(track,"ITS")) tITSinfo=1;
644 if(specie==3 && IsKaonRaw(track,"ITS")) tITSinfo=1;
645 if(specie==4 && IsProtonRaw(track,"ITS")) tITSinfo=1;
654 //----------------------------------
655 Int_t AliAODPidHF::MakeRawPid(AliAODTrack *track, Int_t specie){
656 // general method to compute PID
658 return MatchTPCTOF(track,fMatch,specie,fCompat);
660 if(fTPC && !fTOF && !fITS) {
663 tTPCres=ApplyPidTPCRaw(track,specie);
665 if(TPCRawAsym(track,specie)) {
671 if(tTPCres==specie){return 1;}else{return tTPCres;};
673 AliError("You should enable just one detector if you don't want to match");
676 if(fTOF && !fTPC && !fITS) {
677 Int_t tTOFres=ApplyPidTOFRaw(track,specie);
678 if(tTOFres==specie){return 1;}else{return tTOFres;};
680 AliError("You should enable just one detector if you don't want to match");
684 if(fITS && !fTPC && !fTOF) {
685 Int_t tITSres=ApplyPidITSRaw(track,specie);
686 if(tITSres==specie){return 1;}else{return tITSres;};
688 AliError("You should enable just one detector if you don't want to match");
694 //--------------------------------------------
695 void AliAODPidHF::SetBetheBloch(AliTPCPIDResponse &tpcResp) const{
697 Double_t alephParameters[5];
701 if(fPbPb) { // PbPb MC
703 alephParameters[0] = 1.44405/50.;
704 alephParameters[1] = 2.35409e+01;
705 alephParameters[2] = TMath::Exp(-2.90330e+01);
706 alephParameters[3] = 2.10681e+00;
707 alephParameters[4] = 4.62254e+00;
711 alephParameters[0]=0.0207667;
712 alephParameters[1]=29.9936;
713 alephParameters[2]=3.87866e-11;
714 alephParameters[3]=2.17291;
715 alephParameters[4]=7.1623;
717 alephParameters[0] = 2.15898/50.;
718 alephParameters[1] = 1.75295e+01;
719 alephParameters[2] = 3.40030e-09;
720 alephParameters[3] = 1.96178e+00;
721 alephParameters[4] = 3.91720e+00;
725 } else { // Real Data
727 if(fOnePad) { // pp 1-pad (since LHC10d)
729 alephParameters[0] =1.34490e+00/50.;
730 alephParameters[1] = 2.69455e+01;
731 alephParameters[2] = TMath::Exp(-2.97552e+01);
732 alephParameters[3] = 2.35339e+00;
733 alephParameters[4] = 5.98079e+00;
735 } else if(fPbPb) { // PbPb
737 // alephParameters[0] = 1.25202/50.;
738 // alephParameters[1] = 2.74992e+01;
739 // alephParameters[2] = TMath::Exp(-3.31517e+01);
740 // alephParameters[3] = 2.46246;
741 // alephParameters[4] = 6.78938;
743 alephParameters[0] = 5.10207e+00/50.;
744 alephParameters[1] = 7.94982e+00;
745 alephParameters[2] = TMath::Exp(-9.07942e+00);
746 alephParameters[3] = 2.38808e+00;
747 alephParameters[4] = 1.68165e+00;
749 } else { // pp no 1-pad (LHC10bc)
751 alephParameters[0] = 0.0283086/0.97;
752 alephParameters[1] = 2.63394e+01;
753 alephParameters[2] = 5.04114e-11;
754 alephParameters[3] = 2.12543e+00;
755 alephParameters[4] = 4.88663e+00;
761 tpcResp.SetBetheBlochParameters(alephParameters[0],alephParameters[1],alephParameters[2],alephParameters[3],alephParameters[4]);
767 //-----------------------
768 Bool_t AliAODPidHF::IsTOFPiKexcluded(AliAODTrack *track,Double_t nsigmaK){
771 if(!CheckStatus(track,"TOF")) return 0;
773 Double_t time[AliPID::kSPECIESN];
774 Double_t sigmaTOFPid[AliPID::kSPECIES];
775 AliAODPid *pidObj = track->GetDetPid();
776 pidObj->GetIntegratedTimes(time);
777 Double_t sigTOF=pidObj->GetTOFsignal();
778 pidObj->GetTOFpidResolution(sigmaTOFPid);
779 Double_t sigmaTOFtrack;
780 if (sigmaTOFPid[3]>0) sigmaTOFtrack=sigmaTOFPid[3];
781 else sigmaTOFtrack=fTOFSigma; // backward compatibility for old AODs
783 if((sigTOF-time[3])>nsigmaK*sigmaTOFtrack)return kTRUE;// K, Pi excluded (->LIKELY A PROTON)