| Geant4 Cross Reference |
1 // 1
2 // *******************************************
3 // * License and Disclaimer
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15 // * use. Please see the license in the file
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17 // *
18 // * This code implementation is the result
19 // * technical work of the GEANT4 collaboratio
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21 // * any work based on the software) you ag
22 // * use in resulting scientific publicati
23 // * acceptance of all terms of the Geant4 Sof
24 // *******************************************
25 //
26 //
27 // -------------------------------------------
28 //
29 // GEANT4 Class file
30 //
31 //
32 // File name: G4eIonisationSpectrum
33 //
34 // Author: V.Ivanchenko (Vladimir.Ivant
35 //
36 // Creation date: 27 September 2001
37 //
38 // Modifications:
39 // 10.10.01 MGP Revision to improv
40 // consistency with d
41 // 29.11.01 V.Ivanchenko Parametrisation is
42 // 30.05.02 VI Add inline functio
43 //
44 // -------------------------------------------
45
46 // Class Description:
47 // Provides various integration over delta-ele
48 // ionisation process. Spectrum is parametrise
49 // EEDL database, details are described in the
50 // Further documentation available from http:/
51
52 // -------------------------------------------
53
54 #ifndef G4EIONISATIONSPECTRUM_HH
55 #define G4EIONISATIONSPECTRUM_HH 1
56
57 #include "G4VEnergySpectrum.hh"
58 #include "G4eIonisationParameters.hh"
59
60 //class G4eIonisationParameters;
61 class G4DataVector;
62
63 class G4eIonisationSpectrum : public G4VEnergy
64 {
65
66 public:
67
68 G4eIonisationSpectrum();
69
70 ~G4eIonisationSpectrum();
71
72 G4double Probability(G4int Z, G4double tMin,
73 G4double kineticEnergy, G4int shell
74 const G4ParticleDefinition* pd=0) c
75
76 G4double AverageEnergy(G4int Z, G4double tMi
77 G4double kineticEnergy, G4int shell,
78 const G4ParticleDefinition* pd=0) const
79
80 G4double SampleEnergy(G4int Z, G4double tMin
81 G4double kineticEnergy, G4int shell,
82 const G4ParticleDefinition* pd=0) const;
83
84 G4double MaxEnergyOfSecondaries(G4double kin
85 G4int Z = 0,
86 const G4ParticleDefinition* pd=0) co
87
88 G4double Excitation(G4int Z, G4double e) con
89
90 void PrintData() const;
91
92 protected:
93
94 private:
95
96 G4double IntSpectrum(G4double xMin, G4double
97 const G4DataVector& p
98
99 G4double AverageValue(G4double xMin, G4doubl
100 const G4DataVector& p) const;
101
102 G4double Function(G4double x, const G4DataVe
103
104 // Hide copy constructor and assignment oper
105 G4eIonisationSpectrum(const G4eIonisationSp
106 G4eIonisationSpectrum & operator = (const G4
107
108 private:
109
110 G4eIonisationParameters* theParam;
111 G4double lowestE;
112 G4double factor;
113 G4int iMax;
114 G4int verbose;
115 };
116
117
118 inline G4double G4eIonisationSpectrum::Functio
119 const G4DataVector& p) const
120 {
121 G4double f = 1.0 - p[0] - p[iMax]*x
122 + x*x*(1.0 - p[iMax] + (1.0/(1.0
123 + 0.5*p[0]/x;
124
125 return f;
126 }
127
128 inline G4double G4eIonisationSpectrum::Excitat
129 {
130 return theParam->Excitation(Z, e);
131 }
132
133
134 #endif
135