1 | // |
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2 | // ******************************************************************** |
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3 | // * License and Disclaimer * |
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4 | // * * |
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6 | // * the Geant4 Collaboration. It is provided under the terms and * |
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8 | // * LICENSE and available at http://cern.ch/geant4/license . These * |
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9 | // * include a list of copyright holders. * |
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10 | // * * |
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11 | // * Neither the authors of this software system, nor their employing * |
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13 | // * work make any representation or warranty, express or implied, * |
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14 | // * regarding this software system or assume any liability for its * |
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15 | // * use. Please see the license in the file LICENSE and URL above * |
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16 | // * for the full disclaimer and the limitation of liability. * |
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17 | // * * |
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18 | // * This code implementation is the result of the scientific and * |
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19 | // * technical work of the GEANT4 collaboration. * |
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20 | // * By using, copying, modifying or distributing the software (or * |
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21 | // * any work based on the software) you agree to acknowledge its * |
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22 | // * use in resulting scientific publications, and indicate your * |
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23 | // * acceptance of all terms of the Geant4 Software license. * |
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24 | // ******************************************************************** |
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25 | // |
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26 | // |
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27 | // $Id: G4TransitionRadiation.hh,v 1.9 2006/06/29 19:55:47 gunter Exp $ |
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28 | // GEANT4 tag $Name: geant4-09-03 $ |
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29 | // |
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30 | // G4TransitionRadiation -- header file |
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31 | // |
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32 | // Class for description of transition radiation generated |
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33 | // by charged particle crossed interface between material 1 |
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34 | // and material 2 (1 -> 2). Transition radiation could be of kind: |
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35 | // - optical back |
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36 | // - optical forward |
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37 | // - X-ray forward (for relativistic case Tkin/mass >= 10^2) |
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38 | // |
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39 | // GEANT 4 class header file --- Copyright CERN 1995 |
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40 | // CERB Geneva Switzerland |
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41 | // |
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42 | // for information related to this code, please, contact |
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43 | // CERN, CN Division, ASD Group |
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44 | // History: |
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45 | // 18.12.97, V. Grichine (Vladimir.Grichine@cern.ch) |
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46 | // 02.02.00, V.Grichine, new data fEnergy and fVarAngle for double |
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47 | // numerical integration in inherited classes |
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48 | // 03.06.03, V.Ivanchenko fix compilation warnings |
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49 | // 28.07.05, P.Gumplinger add G4ProcessType to constructor |
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50 | |
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51 | #ifndef G4TransitionRadiation_h |
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52 | #define G4TransitionRadiation_h |
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53 | |
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54 | |
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55 | #include "G4VDiscreteProcess.hh" |
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56 | #include "G4Material.hh" |
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57 | // #include "G4OpBoundaryProcess.hh" |
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58 | |
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59 | class G4TransitionRadiation : public G4VDiscreteProcess |
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60 | { |
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61 | public: |
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62 | |
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63 | // Constructors |
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64 | |
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65 | |
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66 | G4TransitionRadiation( const G4String& processName = "TR", |
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67 | G4ProcessType type = fElectromagnetic) ; |
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68 | |
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69 | |
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70 | // G4TransitionRadiation(const G4TransitionRadiation& right) ; |
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71 | |
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72 | // Destructor |
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73 | |
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74 | virtual ~G4TransitionRadiation() ; |
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75 | |
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76 | // Operators |
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77 | // G4TransitionRadiation& operator=(const G4TransitionRadiation& right) ; |
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78 | // G4int operator==(const G4TransitionRadiation& right)const ; |
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79 | // G4int operator!=(const G4TransitionRadiation& right)const ; |
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80 | |
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81 | // Methods |
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82 | |
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83 | G4bool IsApplicable(const G4ParticleDefinition& aParticleType) |
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84 | { |
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85 | return ( aParticleType.GetPDGCharge() != 0.0 ); |
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86 | } |
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87 | |
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88 | G4double GetMeanFreePath(const G4Track&, |
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89 | G4double, |
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90 | G4ForceCondition* condition) |
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91 | { |
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92 | *condition = Forced; |
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93 | return DBL_MAX; // so TR doesn't limit mean free path |
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94 | } |
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95 | |
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96 | G4VParticleChange* PostStepDoIt(const G4Track&, |
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97 | const G4Step&) |
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98 | { |
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99 | ClearNumberOfInteractionLengthLeft(); |
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100 | return &aParticleChange; |
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101 | } |
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102 | |
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103 | |
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104 | |
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105 | |
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106 | virtual |
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107 | G4double SpectralAngleTRdensity( G4double energy, |
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108 | G4double varAngle ) const = 0 ; |
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109 | |
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110 | G4double IntegralOverEnergy( G4double energy1, |
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111 | G4double energy2, |
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112 | G4double varAngle ) const ; |
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113 | |
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114 | G4double IntegralOverAngle( G4double energy, |
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115 | G4double varAngle1, |
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116 | G4double varAngle2 ) const ; |
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117 | |
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118 | G4double AngleIntegralDistribution( G4double varAngle1, |
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119 | G4double varAngle2 ) const ; |
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120 | |
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121 | G4double EnergyIntegralDistribution( G4double energy1, |
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122 | G4double energy2 ) const ; |
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123 | |
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124 | |
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125 | |
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126 | // Access functions |
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127 | |
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128 | |
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129 | protected : |
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130 | |
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131 | G4int fMatIndex1 ; // index of the 1st material |
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132 | G4int fMatIndex2 ; // index of the 2nd material |
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133 | |
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134 | // private : |
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135 | |
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136 | G4double fGamma ; |
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137 | G4double fEnergy ; |
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138 | G4double fVarAngle ; |
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139 | |
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140 | // Local constants |
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141 | static const G4int fSympsonNumber ; // Accuracy of Sympson integration 10 |
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142 | static const G4int fGammaNumber ; // = 15 |
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143 | static const G4int fPointNumber ; // = 100 |
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144 | |
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145 | G4double fMinEnergy ; // min TR energy |
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146 | G4double fMaxEnergy ; // max TR energy |
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147 | G4double fMaxTheta ; // max theta of TR quanta |
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148 | |
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149 | G4double fSigma1 ; // plasma energy Sq of matter1 |
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150 | G4double fSigma2 ; // plasma energy Sq of matter2 |
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151 | |
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152 | |
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153 | } ; |
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154 | |
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155 | #endif // G4TransitionRadiation_h |
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