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G4ParticleHPWattSpectrum.hh
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27 // P. Arce, June-2014 Conversion neutron_hp to particle_hp
28 //
29 #ifndef G4ParticleHPWattSpectrum_h
30 #define G4ParticleHPWattSpectrum_h 1
31 
32 #include <fstream>
34 
35 #include "globals.hh"
36 #include "G4ios.hh"
37 #include "Randomize.hh"
38 #include "G4Exp.hh"
39 #include "G4ParticleHPVector.hh"
40 #include "G4VParticleHPEDis.hh"
41 
42 // we will need a List of these .... one per term.
43 
45 {
46  public:
48  {
49  expm1 = G4Exp(-1.);
50  }
52  {
53  }
54 
55  inline void Init(std::istream & aDataFile)
56  {
57  theFractionalProb.Init(aDataFile, CLHEP::eV);
58  theApar.Init(aDataFile, CLHEP::eV);
59  theBpar.Init(aDataFile, CLHEP::eV);
60  }
61 
63  {
64  return theFractionalProb.GetY(anEnergy);
65  }
66 
67  G4double Sample(G4double anEnergy);
68 
69  private:
70 
71  inline G4double Watt(G4double anEnergy, G4double a, G4double b)
72  {
73  G4double energy = anEnergy/CLHEP::eV;
74  G4double result = G4Exp(-energy/a)*std::sinh(std::sqrt(b*energy));
75  return result;
76  }
77 
78  private:
79 
80  G4double expm1;
81 
82  G4ParticleHPVector theFractionalProb;
83 
84  G4ParticleHPVector theApar;
85  G4ParticleHPVector theBpar;
86 
87 };
88 
89 #endif
G4double G4ParticleHPJENDLHEData::G4double result
std::vector< ExP01TrackerHit * > a
Definition: ExP01Classes.hh:33
void Init(std::istream &aDataFile)
tuple b
Definition: test.py:12
void Init(std::istream &aDataFile, G4int total, G4double ux=1., G4double uy=1.)
G4double GetY(G4double x)
static constexpr double eV
G4double G4Exp(G4double initial_x)
Exponential Function double precision.
Definition: G4Exp.hh:183
G4double energy(const ThreeVector &p, const G4double m)
G4double Sample(G4double anEnergy)
G4double GetFractionalProbability(G4double anEnergy)
double G4double
Definition: G4Types.hh:76