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ECCEmRICHFastPIDMap.h
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1 // $Id: $
2 
11 #ifndef ECCEmRICHFastPIDMap_H_
12 #define ECCEmRICHFastPIDMap_H_
13 
14 #include "ECCEFastPIDMap.h"
15 
16 #include <string>
17 
18 class TH2F;
19 class TF1;
20 
25 class ECCEmRICHFastPIDMap : public ECCEFastPIDMap {
26 public:
27  // Detectors.push_back( new mRICH(0.00175, 1, 3, mom) ); // 20 psec @ 100 cm
28  ECCEmRICHFastPIDMap(double trackResolution = 0.00175,
29  double incidentAngle = 0.0, double pixS = 3);
30  virtual ~ECCEmRICHFastPIDMap();
31 
32  PIDCandidate_LogLikelihood_map
33  getFastSmearLogLikelihood(int truth_pid, const double momentum,
34  const double theta) const override;
35 
36  void setThetaAcceptanceMinMax(double min, double max) {
37  m_acceptanceThetaMin = min;
38  m_acceptanceThetaMax = max;
39  }
40 
41 private:
42  double m_acceptanceThetaMin = 2.658; // eta = -1.4;
43  double m_acceptanceThetaMax = 3.04; // eta = -3
44 
45  double getAng(double mass, double mom) const;
46  double getdAng(double mass, double mom) const;
47  double getdAngTrk(double mass, double mom) const;
48  double getNgamma(double t, double mass, double mom) const;
49  double T_Aer(double t, double lam) const;
50  double T_QE(double lam) const;
51 
52  // Physical constants (should come from elsewhere!)
53  double mElectron; // GeV/c^2
54  double mPion; // GeV/c^2
55  double mKaon; // GeV/c^2
56  double mProton; // GeV/c^2
57  double c; // cm/picosecond;
58  double n;
59  double f; // mm
60  double a; // mm
61  double N_gam;
62  double pi;
63  double alpha;
64  double L;
65  double th0;
66 
67  double fTrackResolution;
68 
69  double pLow;
70  double pHigh;
71 };
72 
73 #endif /* ECCEmRICHFastPIDMap_H_ */