1 #ifndef ALIAODPIDUTIL_H
2 #define ALIAODPIDUTIL_H
3 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
6 /* $Id: AliAODpidUtil.h 38493 2010-01-26 16:33:03Z hristov $ */
8 //-------------------------------------------------------
11 // Origin: Rosa Romita, GSI, r.romita@gsi.de
12 // Modified: Jens Wiechula, Uni Tuebingen, jens.wiechula@cern.ch
13 // Modified: Pietro Antonioli, INFN BO, pietro.antonioli@bo.infn.it
14 //-------------------------------------------------------
17 #include "AliAODEvent.h" // Needed for inline functions
18 #include "AliAODTrack.h" // Needed for inline functions
19 #include "AliAODPid.h" // Needed for inline functions
20 #include "AliTOFHeader.h" //Needed for inline functions
21 //#include "HMPID/AliHMPID.h"
23 #include "AliPIDResponse.h"
28 class AliAODpidUtil : public AliPIDResponse {
31 AliAODpidUtil(Bool_t isMC = kFALSE): AliPIDResponse(isMC) {;}
32 virtual ~AliAODpidUtil() {;}
34 Int_t MakePID(const AliAODTrack *track,Double_t *p) const;
35 void MakeTPCPID(const AliAODTrack *track,Double_t *p) const;
36 void MakeITSPID(const AliAODTrack *track,Double_t *p) const;
37 void MakeTOFPID(const AliAODTrack *track,Double_t *p) const;
38 // void MakeHMPIDPID(AliESDtrack *track);
39 void MakeTRDPID(const AliAODTrack *track,Double_t *p) const;
41 virtual Float_t NumberOfSigmasTOF(const AliVParticle *vtrack, AliPID::EParticleType type) const;
45 ClassDef(AliAODpidUtil,3) // PID calculation class
48 inline Float_t AliAODpidUtil::NumberOfSigmasTOF(const AliVParticle *vtrack, AliPID::EParticleType type) const {
49 AliAODTrack *track=(AliAODTrack*)vtrack;
51 AliAODPid *pidObj = track->GetDetPid();
52 if (!pidObj) return -999.;
53 Double_t tofTime=pidObj->GetTOFsignal();
54 Double_t expTime=fTOFResponse.GetExpectedSignal((AliVTrack*)vtrack,type);
55 AliAODEvent *event=(AliAODEvent*)track->GetAODEvent();
56 AliTOFHeader* tofH=(AliTOFHeader*)event->GetTOFHeader();
57 if (tofH) { // new AOD
58 sigTOF=fTOFResponse.GetExpectedSigma(track->P(),expTime,AliPID::ParticleMassZ(type)); //fTOFResponse is set in InitialiseEvent
59 tofTime -= fTOFResponse.GetStartTime(vtrack->P());
61 if (type <= AliPID::kProton) {
62 Double_t sigmaTOFPid[AliPID::kSPECIES];
63 pidObj->GetTOFpidResolution(sigmaTOFPid);
64 sigTOF=sigmaTOFPid[type];
65 } else return -998.; // light nuclei cannot be supported on old AOD because we don't have timeZero resolution
67 if (sigTOF>0) return (tofTime - expTime)/sigTOF;