Corrected protection.
[u/mrichter/AliRoot.git] / STEER / AliITSPIDResponse.h
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10d100d4 1#ifndef ALIITSPIDRESPONSE_H
2#define ALIITSPIDRESPONSE_H
3/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
5
6/* $Id$ */
7
8//-------------------------------------------------------
9// ITS PID response class
10//
11//
12//-------------------------------------------------------
13//#include <Rtypes.h>
14#include <TObject.h>
10d100d4 15#include "AliPID.h"
16
17class AliITSPIDResponse : public TObject {
18
19public:
15e979c9 20 AliITSPIDResponse(Bool_t isMC=kFALSE);
10d100d4 21 AliITSPIDResponse(Double_t *param);
22 ~AliITSPIDResponse() {}
99daa709 23
24 void SetBetheBlochParamsITSTPC(Double_t* param){
25 for(Int_t iPar=0; iPar<5; iPar++) fBBtpcits[iPar]=param[iPar];
26 }
27 void SetBetheBlochParamsITSsa(Double_t* param){
28 for(Int_t iPar=0; iPar<5; iPar++) fBBsa[iPar]=param[iPar];
29 }
30
15e979c9 31 Double_t BetheAleph(Double_t p,Double_t mass) const;
32 Double_t Bethe(Double_t p, Double_t mass, Bool_t iSA=kFALSE) const;
33 Double_t GetResolution(Double_t bethe, Int_t nPtsForPid=4, Bool_t isSA=kFALSE) const;
34 void GetITSProbabilities(Float_t mom, Double_t qclu[4], Double_t condprobfun[AliPID::kSPECIES]) const;
35 Float_t GetNumberOfSigmas(Float_t mom, Float_t signal, AliPID::EParticleType type, Int_t nPtsForPid=4, Bool_t isSA=kFALSE) const {
36 Float_t bethe = Bethe(mom,AliPID::ParticleMass(type),isSA);
37 return (signal - bethe)/GetResolution(bethe,nPtsForPid,isSA);
38 }
10d100d4 39
40private:
41
15e979c9 42
10d100d4 43 // Data members for truncated mean method
15e979c9 44 Float_t fRes; // relative dEdx resolution
10d100d4 45 Double_t fKp1; // ALEPH BB param 1
46 Double_t fKp2; // ALEPH BB param 2
47 Double_t fKp3; // ALEPH BB param 3
48 Double_t fKp4; // ALEPH BB param 4
15e979c9 49 Double_t fKp5; // ALEPH BB param
50 Double_t fBBsa[5]; // parameters of BB for SA tracks
51 Double_t fBBtpcits[5]; // parameters of BB for TPC+ITS tracks
52 Float_t fResolSA[5]; // resolutions vs. n. of SDD/SSD points
53 Float_t fResolTPCITS[5]; // resolutions vs. n. of SDD/SSD points
10d100d4 54
15e979c9 55 ClassDef(AliITSPIDResponse,2) // ITS PID class
10d100d4 56};
57
58#endif
59
60