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>> 26 // $Id: G4eIonisationSpectrum.hh,v 1.7 2006/06/29 19:37:40 gunter Exp $
>> 27 // GEANT4 tag $Name: geant4-09-02 $
26 // 28 //
27 // ------------------------------------------- 29 // -------------------------------------------------------------------
28 // 30 //
29 // GEANT4 Class file 31 // GEANT4 Class file
30 // 32 //
31 // 33 //
32 // File name: G4eIonisationSpectrum 34 // File name: G4eIonisationSpectrum
33 // 35 //
34 // Author: V.Ivanchenko (Vladimir.Ivant 36 // Author: V.Ivanchenko (Vladimir.Ivantchenko@cern.ch)
35 // 37 //
36 // Creation date: 27 September 2001 38 // Creation date: 27 September 2001
37 // 39 //
38 // Modifications: 40 // Modifications:
39 // 10.10.01 MGP Revision to improv 41 // 10.10.01 MGP Revision to improve code quality and
40 // consistency with d 42 // consistency with design
41 // 29.11.01 V.Ivanchenko Parametrisation is 43 // 29.11.01 V.Ivanchenko Parametrisation is updated
42 // 30.05.02 VI Add inline functio 44 // 30.05.02 VI Add inline functions
43 // 45 //
44 // ------------------------------------------- 46 // -------------------------------------------------------------------
45 47
46 // Class Description: 48 // Class Description:
47 // Provides various integration over delta-ele 49 // Provides various integration over delta-electron spectrum for e-
48 // ionisation process. Spectrum is parametrise 50 // ionisation process. Spectrum is parametrised accourding to
49 // EEDL database, details are described in the 51 // EEDL database, details are described in the Physics Reference Manual
50 // Further documentation available from http:/ 52 // Further documentation available from http://www.ge.infn.it/geant4/lowE
51 53
52 // ------------------------------------------- 54 // -------------------------------------------------------------------
53 55
54 #ifndef G4EIONISATIONSPECTRUM_HH 56 #ifndef G4EIONISATIONSPECTRUM_HH
55 #define G4EIONISATIONSPECTRUM_HH 1 57 #define G4EIONISATIONSPECTRUM_HH 1
56 58
57 #include "G4VEnergySpectrum.hh" 59 #include "G4VEnergySpectrum.hh"
58 #include "G4eIonisationParameters.hh" 60 #include "G4eIonisationParameters.hh"
59 61
60 //class G4eIonisationParameters; 62 //class G4eIonisationParameters;
61 class G4DataVector; 63 class G4DataVector;
62 64
63 class G4eIonisationSpectrum : public G4VEnergy 65 class G4eIonisationSpectrum : public G4VEnergySpectrum
64 { 66 {
65 67
66 public: 68 public:
67 69
68 G4eIonisationSpectrum(); 70 G4eIonisationSpectrum();
69 71
70 ~G4eIonisationSpectrum(); 72 ~G4eIonisationSpectrum();
71 73
72 G4double Probability(G4int Z, G4double tMin, 74 G4double Probability(G4int Z, G4double tMin, G4double tMax,
73 G4double kineticEnergy, G4int shell 75 G4double kineticEnergy, G4int shell,
74 const G4ParticleDefinition* pd=0) c 76 const G4ParticleDefinition* pd=0) const;
75 77
76 G4double AverageEnergy(G4int Z, G4double tMi 78 G4double AverageEnergy(G4int Z, G4double tMin, G4double tMax,
77 G4double kineticEnergy, G4int shell, 79 G4double kineticEnergy, G4int shell,
78 const G4ParticleDefinition* pd=0) const 80 const G4ParticleDefinition* pd=0) const;
79 81
80 G4double SampleEnergy(G4int Z, G4double tMin 82 G4double SampleEnergy(G4int Z, G4double tMin, G4double tMax,
81 G4double kineticEnergy, G4int shell, 83 G4double kineticEnergy, G4int shell,
82 const G4ParticleDefinition* pd=0) const; 84 const G4ParticleDefinition* pd=0) const;
83 85
84 G4double MaxEnergyOfSecondaries(G4double kin 86 G4double MaxEnergyOfSecondaries(G4double kineticEnergy,
85 G4int Z = 0, 87 G4int Z = 0,
86 const G4ParticleDefinition* pd=0) co 88 const G4ParticleDefinition* pd=0) const;
87 89
88 G4double Excitation(G4int Z, G4double e) con 90 G4double Excitation(G4int Z, G4double e) const;
89 91
90 void PrintData() const; 92 void PrintData() const;
91 93
92 protected: 94 protected:
93 95
94 private: 96 private:
95 97
96 G4double IntSpectrum(G4double xMin, G4double 98 G4double IntSpectrum(G4double xMin, G4double xMax,
97 const G4DataVector& p 99 const G4DataVector& p) const;
98 100
99 G4double AverageValue(G4double xMin, G4doubl 101 G4double AverageValue(G4double xMin, G4double xMax,
100 const G4DataVector& p) const; 102 const G4DataVector& p) const;
101 103
102 G4double Function(G4double x, const G4DataVe 104 G4double Function(G4double x, const G4DataVector& p) const;
103 105
104 // Hide copy constructor and assignment oper 106 // Hide copy constructor and assignment operator
105 G4eIonisationSpectrum(const G4eIonisationSp 107 G4eIonisationSpectrum(const G4eIonisationSpectrum&);
106 G4eIonisationSpectrum & operator = (const G4 108 G4eIonisationSpectrum & operator = (const G4eIonisationSpectrum &right);
107 109
108 private: 110 private:
109 111
110 G4eIonisationParameters* theParam; 112 G4eIonisationParameters* theParam;
111 G4double lowestE; 113 G4double lowestE;
112 G4double factor; 114 G4double factor;
113 G4int iMax; 115 G4int iMax;
114 G4int verbose; 116 G4int verbose;
115 }; 117 };
116 118
117 119
118 inline G4double G4eIonisationSpectrum::Functio 120 inline G4double G4eIonisationSpectrum::Function(G4double x,
119 const G4DataVector& p) const 121 const G4DataVector& p) const
120 { 122 {
121 G4double f = 1.0 - p[0] - p[iMax]*x 123 G4double f = 1.0 - p[0] - p[iMax]*x
122 + x*x*(1.0 - p[iMax] + (1.0/(1.0 124 + x*x*(1.0 - p[iMax] + (1.0/(1.0 - x) - p[iMax])/(1.0 - x))
123 + 0.5*p[0]/x; 125 + 0.5*p[0]/x;
124 126
125 return f; 127 return f;
126 } 128 }
127 129
128 inline G4double G4eIonisationSpectrum::Excitat 130 inline G4double G4eIonisationSpectrum::Excitation(G4int Z, G4double e) const
129 { 131 {
130 return theParam->Excitation(Z, e); 132 return theParam->Excitation(Z, e);
131 } 133 }
132 134
133 135
134 #endif 136 #endif
135 137