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>> 26 // $Id: G4eIonisationSpectrum.hh 66241 2012-12-13 18:34:42Z gunter $
26 // 27 //
27 // ------------------------------------------- 28 // -------------------------------------------------------------------
28 // 29 //
29 // GEANT4 Class file 30 // GEANT4 Class file
30 // 31 //
31 // 32 //
32 // File name: G4eIonisationSpectrum 33 // File name: G4eIonisationSpectrum
33 // 34 //
34 // Author: V.Ivanchenko (Vladimir.Ivant 35 // Author: V.Ivanchenko (Vladimir.Ivantchenko@cern.ch)
35 // 36 //
36 // Creation date: 27 September 2001 37 // Creation date: 27 September 2001
37 // 38 //
38 // Modifications: 39 // Modifications:
39 // 10.10.01 MGP Revision to improv 40 // 10.10.01 MGP Revision to improve code quality and
40 // consistency with d 41 // consistency with design
41 // 29.11.01 V.Ivanchenko Parametrisation is 42 // 29.11.01 V.Ivanchenko Parametrisation is updated
42 // 30.05.02 VI Add inline functio 43 // 30.05.02 VI Add inline functions
43 // 44 //
44 // ------------------------------------------- 45 // -------------------------------------------------------------------
45 46
46 // Class Description: 47 // Class Description:
47 // Provides various integration over delta-ele 48 // Provides various integration over delta-electron spectrum for e-
48 // ionisation process. Spectrum is parametrise 49 // ionisation process. Spectrum is parametrised accourding to
49 // EEDL database, details are described in the 50 // EEDL database, details are described in the Physics Reference Manual
50 // Further documentation available from http:/ 51 // Further documentation available from http://www.ge.infn.it/geant4/lowE
51 52
52 // ------------------------------------------- 53 // -------------------------------------------------------------------
53 54
54 #ifndef G4EIONISATIONSPECTRUM_HH 55 #ifndef G4EIONISATIONSPECTRUM_HH
55 #define G4EIONISATIONSPECTRUM_HH 1 56 #define G4EIONISATIONSPECTRUM_HH 1
56 57
57 #include "G4VEnergySpectrum.hh" 58 #include "G4VEnergySpectrum.hh"
58 #include "G4eIonisationParameters.hh" 59 #include "G4eIonisationParameters.hh"
59 60
60 //class G4eIonisationParameters; 61 //class G4eIonisationParameters;
61 class G4DataVector; 62 class G4DataVector;
62 63
63 class G4eIonisationSpectrum : public G4VEnergy 64 class G4eIonisationSpectrum : public G4VEnergySpectrum
64 { 65 {
65 66
66 public: 67 public:
67 68
68 G4eIonisationSpectrum(); 69 G4eIonisationSpectrum();
69 70
70 ~G4eIonisationSpectrum(); 71 ~G4eIonisationSpectrum();
71 72
72 G4double Probability(G4int Z, G4double tMin, 73 G4double Probability(G4int Z, G4double tMin, G4double tMax,
73 G4double kineticEnergy, G4int shell 74 G4double kineticEnergy, G4int shell,
74 const G4ParticleDefinition* pd=0) c 75 const G4ParticleDefinition* pd=0) const;
75 76
76 G4double AverageEnergy(G4int Z, G4double tMi 77 G4double AverageEnergy(G4int Z, G4double tMin, G4double tMax,
77 G4double kineticEnergy, G4int shell, 78 G4double kineticEnergy, G4int shell,
78 const G4ParticleDefinition* pd=0) const 79 const G4ParticleDefinition* pd=0) const;
79 80
80 G4double SampleEnergy(G4int Z, G4double tMin 81 G4double SampleEnergy(G4int Z, G4double tMin, G4double tMax,
81 G4double kineticEnergy, G4int shell, 82 G4double kineticEnergy, G4int shell,
82 const G4ParticleDefinition* pd=0) const; 83 const G4ParticleDefinition* pd=0) const;
83 84
84 G4double MaxEnergyOfSecondaries(G4double kin 85 G4double MaxEnergyOfSecondaries(G4double kineticEnergy,
85 G4int Z = 0, 86 G4int Z = 0,
86 const G4ParticleDefinition* pd=0) co 87 const G4ParticleDefinition* pd=0) const;
87 88
88 G4double Excitation(G4int Z, G4double e) con 89 G4double Excitation(G4int Z, G4double e) const;
89 90
90 void PrintData() const; 91 void PrintData() const;
91 92
92 protected: 93 protected:
93 94
94 private: 95 private:
95 96
96 G4double IntSpectrum(G4double xMin, G4double 97 G4double IntSpectrum(G4double xMin, G4double xMax,
97 const G4DataVector& p 98 const G4DataVector& p) const;
98 99
99 G4double AverageValue(G4double xMin, G4doubl 100 G4double AverageValue(G4double xMin, G4double xMax,
100 const G4DataVector& p) const; 101 const G4DataVector& p) const;
101 102
102 G4double Function(G4double x, const G4DataVe 103 G4double Function(G4double x, const G4DataVector& p) const;
103 104
104 // Hide copy constructor and assignment oper 105 // Hide copy constructor and assignment operator
105 G4eIonisationSpectrum(const G4eIonisationSp 106 G4eIonisationSpectrum(const G4eIonisationSpectrum&);
106 G4eIonisationSpectrum & operator = (const G4 107 G4eIonisationSpectrum & operator = (const G4eIonisationSpectrum &right);
107 108
108 private: 109 private:
109 110
110 G4eIonisationParameters* theParam; 111 G4eIonisationParameters* theParam;
111 G4double lowestE; 112 G4double lowestE;
112 G4double factor; 113 G4double factor;
113 G4int iMax; 114 G4int iMax;
114 G4int verbose; 115 G4int verbose;
115 }; 116 };
116 117
117 118
118 inline G4double G4eIonisationSpectrum::Functio 119 inline G4double G4eIonisationSpectrum::Function(G4double x,
119 const G4DataVector& p) const 120 const G4DataVector& p) const
120 { 121 {
121 G4double f = 1.0 - p[0] - p[iMax]*x 122 G4double f = 1.0 - p[0] - p[iMax]*x
122 + x*x*(1.0 - p[iMax] + (1.0/(1.0 123 + x*x*(1.0 - p[iMax] + (1.0/(1.0 - x) - p[iMax])/(1.0 - x))
123 + 0.5*p[0]/x; 124 + 0.5*p[0]/x;
124 125
125 return f; 126 return f;
126 } 127 }
127 128
128 inline G4double G4eIonisationSpectrum::Excitat 129 inline G4double G4eIonisationSpectrum::Excitation(G4int Z, G4double e) const
129 { 130 {
130 return theParam->Excitation(Z, e); 131 return theParam->Excitation(Z, e);
131 } 132 }
132 133
133 134
134 #endif 135 #endif
135 136