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1 //
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25 //
26 //
27 // -------------------------------------------------------------------
28 //
29 // GEANT4 Class file
30 //
31 //
32 // File name: G4EBremsstrahlungSpectrum
33 //
34 // Author: V.Ivanchenko (Vladimir.Ivantchenko@cern.ch)
35 //
36 // Creation date: 27 September 2001
37 //
38 // Modifications:
39 // 10.10.01 MGP Revision to improve code quality and consistency with design
40 // 29.11.01 V.Ivanchenko Parametrisation is updated
41 // 21.02.03 V.Ivanchenko Energy bins are defined in the constructor
42 // 28.02.03 V.Ivanchenko Filename is defined in the constructor
43 // 25.05.03 MGP Data member xp contained by value, not a reference
44 //
45 // -------------------------------------------------------------------
46
47 // Class Description:
48 // Provides various integration over gamma spectrum of e- Bremsstrahlung.
49 // Parametrisation is described in Physics Reference Manual based on
50 // data from EEDL database.
51 // Further documentation available from http://www.ge.infn.it/geant4/lowE
52
53 // -------------------------------------------------------------------
54
55 #ifndef G4RDEBREMSSTRAHLUNGSPECTRUM_HH
56 #define G4RDEBREMSSTRAHLUNGSPECTRUM_HH 1
57
58 #include "globals.hh"
59 #include "G4DataVector.hh"
60 #include "G4RDVEnergySpectrum.hh"
61
62 class G4RDBremsstrahlungParameters;
63
64 class G4RDeBremsstrahlungSpectrum : public G4RDVEnergySpectrum
65 {
66 public:
67
68 G4RDeBremsstrahlungSpectrum(const G4DataVector& bins,const G4String& name);
69
70 ~G4RDeBremsstrahlungSpectrum();
71
72 G4double Probability(G4int Z,
73 G4double tMin,
74 G4double tMax,
75 G4double kineticEnergy,
76 G4int shell=0,
77 const G4ParticleDefinition* pd=0) const;
78
79 G4double AverageEnergy(G4int Z,
80 G4double tMin,
81 G4double tMax,
82 G4double kineticEnergy,
83 G4int shell=0,
84 const G4ParticleDefinition* pd=0) const;
85
86 G4double SampleEnergy(G4int Z,
87 G4double tMin,
88 G4double tMax,
89 G4double kineticEnergy,
90 G4int shell=0,
91 const G4ParticleDefinition* pd=0) const;
92
93 G4double MaxEnergyOfSecondaries(G4double kineticEnergy,
94 G4int Z = 0,
95 const G4ParticleDefinition* pd=0) const;
96
97 G4double Excitation(G4int Z, G4double kineticEnergy) const;
98
99 void PrintData() const;
100
101 private:
102
103 G4double IntSpectrum(G4double xMin, G4double xMax,
104 const G4DataVector& p) const;
105
106 G4double AverageValue(G4double xMin, G4double xMax,
107 const G4DataVector& p) const;
108
109 G4double Function(G4double x, const G4DataVector& p) const;
110
111
112 // Hide copy constructor and assignment operator
113 G4RDeBremsstrahlungSpectrum(const G4RDeBremsstrahlungSpectrum&);
114 G4RDeBremsstrahlungSpectrum & operator = (const G4RDeBremsstrahlungSpectrum &right);
115
116 G4RDBremsstrahlungParameters* theBRparam;
117 G4double lowestE;
118 size_t length;
119 G4int verbose;
120 // const G4DataVector& xp;
121 const G4DataVector xp;
122 };
123
124 #endif
125