1 | // |
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2 | // ******************************************************************** |
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3 | // * License and Disclaimer * |
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9 | // * include a list of copyright holders. * |
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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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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: G4OpRayleigh.hh,v 1.9 2006/06/29 21:08:40 gunter Exp $ |
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28 | // GEANT4 tag $Name: geant4-09-02 $ |
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29 | // |
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30 | // |
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31 | //////////////////////////////////////////////////////////////////////// |
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32 | // Optical Photon Rayleigh Scattering Class Definition |
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33 | //////////////////////////////////////////////////////////////////////// |
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34 | // |
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35 | // File: G4OpRayleigh.hh |
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36 | // Description: Discrete Process -- Rayleigh scattering of optical photons |
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37 | // Version: 1.0 |
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38 | // Created: 1996-05-31 |
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39 | // Author: Juliet Armstrong |
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40 | // Updated: 2005-07-28 add G4ProcessType to constructor |
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41 | // 1999-10-29 add method and class descriptors |
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42 | // 1997-04-09 by Peter Gumplinger |
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43 | // > new physics/tracking scheme |
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44 | // mail: gum@triumf.ca |
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45 | // |
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46 | //////////////////////////////////////////////////////////////////////// |
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47 | |
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48 | #ifndef G4OpRayleigh_h |
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49 | #define G4OpRayleigh_h 1 |
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50 | |
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51 | ///////////// |
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52 | // Includes |
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53 | ///////////// |
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54 | |
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55 | #include "globals.hh" |
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56 | #include "templates.hh" |
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57 | #include "Randomize.hh" |
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58 | #include "G4ThreeVector.hh" |
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59 | #include "G4ParticleMomentum.hh" |
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60 | #include "G4Step.hh" |
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61 | #include "G4VDiscreteProcess.hh" |
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62 | #include "G4DynamicParticle.hh" |
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63 | #include "G4Material.hh" |
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64 | #include "G4OpticalPhoton.hh" |
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65 | #include "G4PhysicsTable.hh" |
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66 | #include "G4PhysicsOrderedFreeVector.hh" |
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67 | |
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68 | // Class Description: |
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69 | // Discrete Process -- Rayleigh scattering of optical photons. |
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70 | // Class inherits publicly from G4VDiscreteProcess. |
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71 | // Class Description - End: |
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72 | |
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73 | ///////////////////// |
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74 | // Class Definition |
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75 | ///////////////////// |
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76 | |
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77 | class G4OpRayleigh : public G4VDiscreteProcess |
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78 | { |
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79 | |
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80 | private: |
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81 | |
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82 | ////////////// |
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83 | // Operators |
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84 | ////////////// |
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85 | |
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86 | // G4OpRayleigh& operator=(const G4OpRayleigh &right); |
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87 | |
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88 | public: // Without description |
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89 | |
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90 | //////////////////////////////// |
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91 | // Constructors and Destructor |
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92 | //////////////////////////////// |
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93 | |
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94 | G4OpRayleigh(const G4String& processName = "OpRayleigh", |
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95 | G4ProcessType type = fOptical); |
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96 | |
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97 | // G4OpRayleigh(const G4OpRayleigh &right); |
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98 | |
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99 | ~G4OpRayleigh(); |
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100 | |
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101 | //////////// |
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102 | // Methods |
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103 | //////////// |
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104 | |
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105 | public: // With description |
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106 | |
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107 | G4bool IsApplicable(const G4ParticleDefinition& aParticleType); |
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108 | // Returns true -> 'is applicable' only for an optical photon. |
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109 | |
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110 | G4double GetMeanFreePath(const G4Track& aTrack, |
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111 | G4double , |
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112 | G4ForceCondition* ); |
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113 | // Returns the mean free path for Rayleigh scattering in water. |
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114 | // --- Not yet implemented for other materials! --- |
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115 | |
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116 | G4VParticleChange* PostStepDoIt(const G4Track& aTrack, |
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117 | const G4Step& aStep); |
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118 | // This is the method implementing Rayleigh scattering. |
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119 | |
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120 | G4PhysicsTable* GetPhysicsTable() const; |
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121 | // Returns the address of the physics table. |
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122 | |
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123 | void DumpPhysicsTable() const; |
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124 | // Prints the physics table. |
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125 | |
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126 | private: |
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127 | |
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128 | void BuildThePhysicsTable(); |
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129 | |
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130 | ///////////////////// |
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131 | // Helper Functions |
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132 | ///////////////////// |
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133 | |
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134 | G4PhysicsOrderedFreeVector* RayleighAttenuationLengthGenerator( |
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135 | G4MaterialPropertiesTable *aMPT); |
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136 | |
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137 | /////////////////////// |
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138 | // Class Data Members |
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139 | /////////////////////// |
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140 | |
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141 | protected: |
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142 | |
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143 | G4PhysicsTable* thePhysicsTable; |
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144 | // A Physics Table can be either a cross-sections table or |
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145 | // an energy table (or can be used for other specific |
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146 | // purposes). |
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147 | |
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148 | private: |
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149 | |
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150 | G4bool DefaultWater; |
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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 | // Inline methods |
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156 | //////////////////// |
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157 | |
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158 | inline |
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159 | G4bool G4OpRayleigh::IsApplicable(const G4ParticleDefinition& aParticleType) |
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160 | { |
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161 | return ( &aParticleType == G4OpticalPhoton::OpticalPhoton() ); |
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162 | } |
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163 | |
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164 | inline |
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165 | void G4OpRayleigh::DumpPhysicsTable() const |
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166 | |
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167 | { |
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168 | G4int PhysicsTableSize = thePhysicsTable->entries(); |
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169 | G4PhysicsOrderedFreeVector *v; |
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170 | |
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171 | for (G4int i = 0 ; i < PhysicsTableSize ; i++ ) |
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172 | { |
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173 | v = (G4PhysicsOrderedFreeVector*)(*thePhysicsTable)[i]; |
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174 | v->DumpValues(); |
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175 | } |
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176 | } |
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177 | |
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178 | inline G4PhysicsTable* G4OpRayleigh::GetPhysicsTable() const |
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179 | { |
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180 | return thePhysicsTable; |
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181 | } |
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182 | |
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183 | |
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184 | #endif /* G4OpRayleigh_h */ |
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