1 | // |
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2 | // ******************************************************************** |
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3 | // * License and Disclaimer * |
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4 | // * * |
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5 | // * The Geant4 software is copyright of the Copyright Holders of * |
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6 | // * the Geant4 Collaboration. It is provided under the terms and * |
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7 | // * conditions of the Geant4 Software License, included in the file * |
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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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12 | // * institutes,nor the agencies providing financial support for this * |
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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 | // $Id: G4VEmProcess.hh,v 1.55 2009/09/23 14:42:47 vnivanch Exp $ |
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27 | // GEANT4 tag $Name: geant4-09-03 $ |
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28 | // |
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29 | // ------------------------------------------------------------------- |
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30 | // |
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31 | // GEANT4 Class header file |
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32 | // |
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33 | // |
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34 | // File name: G4VEmProcess |
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35 | // |
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36 | // Author: Vladimir Ivanchenko |
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37 | // |
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38 | // Creation date: 01.10.2003 |
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39 | // |
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40 | // Modifications: |
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41 | // 30-06-04 make destructor virtual (V.Ivanchenko) |
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42 | // 09-08-04 optimise integral option (V.Ivanchenko) |
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43 | // 11-08-04 add protected methods to access cuts (V.Ivanchenko) |
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44 | // 09-09-04 Bug fix for the integral mode with 2 peaks (V.Ivanchneko) |
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45 | // 16-09-04 Add flag for LambdaTable and method RecalculateLambda (VI) |
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46 | // 08-11-04 Migration to new interface of Store/Retrieve tables (V.Ivantchenko) |
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47 | // 08-04-05 Major optimisation of internal interfaces (V.Ivantchenko) |
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48 | // 18-04-05 Use G4ParticleChangeForGamma (V.Ivantchenko) |
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49 | // 09-05-05 Fix problem in logic when path boundary between materials (VI) |
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50 | // 11-01-06 add A to parameters of ComputeCrossSectionPerAtom (VI) |
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51 | // 01-02-06 put default value A=0. to keep compatibility with v5.2 (mma) |
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52 | // 13-05-06 Add method to access model by index (V.Ivanchenko) |
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53 | // 12-09-06 add SetModel() (mma) |
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54 | // 25-09-07 More accurate handling zero xsect in |
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55 | // PostStepGetPhysicalInteractionLength (V.Ivanchenko) |
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56 | // 27-10-07 Virtual functions moved to source (V.Ivanchenko) |
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57 | // 15-07-08 Reorder class members for further multi-thread development (VI) |
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58 | // |
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59 | // Class Description: |
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60 | // |
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61 | // It is the unified Discrete process |
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62 | |
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63 | // ------------------------------------------------------------------- |
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64 | // |
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65 | |
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66 | #ifndef G4VEmProcess_h |
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67 | #define G4VEmProcess_h 1 |
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68 | |
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69 | #include "G4VDiscreteProcess.hh" |
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70 | #include "globals.hh" |
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71 | #include "G4Material.hh" |
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72 | #include "G4MaterialCutsCouple.hh" |
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73 | #include "G4Track.hh" |
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74 | #include "G4EmModelManager.hh" |
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75 | #include "G4UnitsTable.hh" |
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76 | #include "G4ParticleDefinition.hh" |
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77 | #include "G4ParticleChangeForGamma.hh" |
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78 | |
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79 | class G4Step; |
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80 | class G4VEmModel; |
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81 | class G4DataVector; |
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82 | class G4VParticleChange; |
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83 | class G4PhysicsTable; |
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84 | class G4PhysicsVector; |
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85 | |
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86 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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87 | |
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88 | class G4VEmProcess : public G4VDiscreteProcess |
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89 | { |
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90 | public: |
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91 | |
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92 | G4VEmProcess(const G4String& name, |
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93 | G4ProcessType type = fElectromagnetic); |
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94 | |
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95 | virtual ~G4VEmProcess(); |
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96 | |
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97 | //------------------------------------------------------------------------ |
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98 | // Virtual methods to be implemented in concrete processes |
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99 | //------------------------------------------------------------------------ |
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100 | |
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101 | virtual G4bool IsApplicable(const G4ParticleDefinition& p) = 0; |
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102 | |
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103 | virtual void PrintInfo() = 0; |
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104 | |
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105 | protected: |
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106 | |
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107 | virtual void InitialiseProcess(const G4ParticleDefinition*) = 0; |
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108 | |
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109 | //------------------------------------------------------------------------ |
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110 | // Implementation of virtual methods common to all Discrete processes |
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111 | //------------------------------------------------------------------------ |
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112 | |
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113 | public: |
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114 | |
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115 | // Initialise for build of tables |
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116 | void PreparePhysicsTable(const G4ParticleDefinition&); |
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117 | |
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118 | // Build physics table during initialisation |
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119 | void BuildPhysicsTable(const G4ParticleDefinition&); |
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120 | |
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121 | void PrintInfoDefinition(); |
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122 | |
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123 | // implementation of virtual method, specific for G4VEmProcess |
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124 | G4double PostStepGetPhysicalInteractionLength( |
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125 | const G4Track& track, |
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126 | G4double previousStepSize, |
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127 | G4ForceCondition* condition |
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128 | ); |
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129 | |
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130 | // implementation of virtual method, specific for G4VEmProcess |
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131 | G4VParticleChange* PostStepDoIt(const G4Track&, const G4Step&); |
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132 | |
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133 | // Store PhysicsTable in a file. |
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134 | // Return false in case of failure at I/O |
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135 | G4bool StorePhysicsTable(const G4ParticleDefinition*, |
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136 | const G4String& directory, |
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137 | G4bool ascii = false); |
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138 | |
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139 | // Retrieve Physics from a file. |
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140 | // (return true if the Physics Table can be build by using file) |
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141 | // (return false if the process has no functionality or in case of failure) |
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142 | // File name should is constructed as processName+particleName and the |
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143 | // should be placed under the directory specifed by the argument. |
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144 | G4bool RetrievePhysicsTable(const G4ParticleDefinition*, |
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145 | const G4String& directory, |
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146 | G4bool ascii); |
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147 | |
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148 | // deexcitation activated per G4Region |
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149 | void ActivateDeexcitation(G4bool, const G4Region* r = 0); |
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150 | |
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151 | //------------------------------------------------------------------------ |
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152 | // Specific methods for Discrete EM post step simulation |
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153 | //------------------------------------------------------------------------ |
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154 | |
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155 | // It returns the cross section per volume for energy/ material |
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156 | G4double CrossSectionPerVolume(G4double kineticEnergy, |
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157 | const G4MaterialCutsCouple* couple); |
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158 | |
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159 | // It returns the cross section of the process per atom |
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160 | inline G4double ComputeCrossSectionPerAtom(G4double kineticEnergy, |
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161 | G4double Z, G4double A=0., |
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162 | G4double cut=0.0); |
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163 | |
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164 | inline G4double MeanFreePath(const G4Track& track); |
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165 | |
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166 | // It returns cross section per volume |
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167 | inline G4double GetLambda(G4double& kinEnergy, |
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168 | const G4MaterialCutsCouple* couple); |
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169 | |
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170 | //------------------------------------------------------------------------ |
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171 | // Specific methods to build and access Physics Tables |
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172 | //------------------------------------------------------------------------ |
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173 | |
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174 | // Binning for lambda table |
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175 | inline void SetLambdaBinning(G4int nbins); |
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176 | inline G4int LambdaBinning() const; |
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177 | |
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178 | // Min kinetic energy for tables |
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179 | inline void SetMinKinEnergy(G4double e); |
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180 | inline G4double MinKinEnergy() const; |
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181 | |
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182 | // Max kinetic energy for tables |
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183 | inline void SetMaxKinEnergy(G4double e); |
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184 | inline G4double MaxKinEnergy() const; |
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185 | |
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186 | inline void SetPolarAngleLimit(G4double a); |
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187 | inline G4double PolarAngleLimit() const; |
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188 | |
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189 | inline const G4PhysicsTable* LambdaTable() const; |
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190 | |
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191 | //------------------------------------------------------------------------ |
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192 | // Define and access particle type |
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193 | //------------------------------------------------------------------------ |
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194 | |
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195 | inline const G4ParticleDefinition* Particle() const; |
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196 | inline const G4ParticleDefinition* SecondaryParticle() const; |
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197 | |
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198 | //------------------------------------------------------------------------ |
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199 | // Specific methods to set, access, modify models and basic parameters |
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200 | //------------------------------------------------------------------------ |
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201 | |
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202 | protected: |
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203 | // Select model in run time |
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204 | inline G4VEmModel* SelectModel(G4double& kinEnergy, size_t index); |
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205 | |
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206 | public: |
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207 | // Select model by energy and region index |
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208 | inline G4VEmModel* SelectModelForMaterial(G4double kinEnergy, |
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209 | size_t& idxRegion) const; |
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210 | |
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211 | // Add model for region, smaller value of order defines which |
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212 | // model will be selected for a given energy interval |
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213 | void AddEmModel(G4int, G4VEmModel*, const G4Region* region = 0); |
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214 | |
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215 | // Assign a model to a process |
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216 | void SetModel(G4VEmModel*, G4int index = 1); |
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217 | |
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218 | // return the assigned model |
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219 | G4VEmModel* Model(G4int index = 1); |
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220 | |
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221 | // Define new energy range for the model identified by the name |
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222 | void UpdateEmModel(const G4String&, G4double, G4double); |
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223 | |
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224 | // Access to models |
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225 | G4VEmModel* GetModelByIndex(G4int idx = 0, G4bool ver = false); |
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226 | |
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227 | inline void SetLambdaFactor(G4double val); |
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228 | |
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229 | inline void SetIntegral(G4bool val); |
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230 | inline G4bool IsIntegral() const; |
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231 | |
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232 | inline void SetApplyCuts(G4bool val); |
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233 | |
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234 | //------------------------------------------------------------------------ |
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235 | // Other generic methods |
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236 | //------------------------------------------------------------------------ |
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237 | |
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238 | protected: |
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239 | |
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240 | G4double GetMeanFreePath(const G4Track& track, |
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241 | G4double previousStepSize, |
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242 | G4ForceCondition* condition); |
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243 | |
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244 | G4PhysicsVector* LambdaPhysicsVector(const G4MaterialCutsCouple*); |
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245 | |
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246 | inline G4double RecalculateLambda(G4double kinEnergy, |
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247 | const G4MaterialCutsCouple* couple); |
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248 | |
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249 | inline G4ParticleChangeForGamma* GetParticleChange(); |
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250 | |
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251 | inline void SetParticle(const G4ParticleDefinition* p); |
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252 | |
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253 | inline void SetSecondaryParticle(const G4ParticleDefinition* p); |
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254 | |
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255 | inline size_t CurrentMaterialCutsCoupleIndex() const; |
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256 | |
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257 | inline G4double GetGammaEnergyCut(); |
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258 | |
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259 | inline G4double GetElectronEnergyCut(); |
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260 | |
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261 | inline void SetBuildTableFlag(G4bool val); |
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262 | |
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263 | inline void SetStartFromNullFlag(G4bool val); |
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264 | |
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265 | private: |
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266 | |
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267 | void Clear(); |
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268 | |
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269 | void BuildLambdaTable(); |
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270 | |
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271 | void FindLambdaMax(); |
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272 | |
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273 | inline void InitialiseStep(const G4Track&); |
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274 | |
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275 | inline void DefineMaterial(const G4MaterialCutsCouple* couple); |
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276 | |
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277 | inline void ComputeIntegralLambda(G4double kinEnergy); |
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278 | |
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279 | inline G4double GetLambdaFromTable(G4double kinEnergy); |
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280 | |
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281 | inline G4double GetCurrentLambda(G4double kinEnergy); |
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282 | |
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283 | inline G4double ComputeCurrentLambda(G4double kinEnergy); |
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284 | |
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285 | // copy constructor and hide assignment operator |
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286 | G4VEmProcess(G4VEmProcess &); |
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287 | G4VEmProcess & operator=(const G4VEmProcess &right); |
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288 | |
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289 | // ======== Parameters of the class fixed at construction ========= |
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290 | |
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291 | G4EmModelManager* modelManager; |
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292 | const G4ParticleDefinition* theGamma; |
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293 | const G4ParticleDefinition* theElectron; |
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294 | const G4ParticleDefinition* thePositron; |
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295 | const G4ParticleDefinition* secondaryParticle; |
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296 | |
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297 | G4bool buildLambdaTable; |
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298 | |
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299 | // ======== Parameters of the class fixed at initialisation ======= |
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300 | |
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301 | std::vector<G4VEmModel*> emModels; |
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302 | |
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303 | // tables and vectors |
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304 | G4PhysicsTable* theLambdaTable; |
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305 | G4double* theEnergyOfCrossSectionMax; |
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306 | G4double* theCrossSectionMax; |
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307 | |
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308 | const std::vector<G4double>* theCuts; |
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309 | const std::vector<G4double>* theCutsGamma; |
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310 | const std::vector<G4double>* theCutsElectron; |
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311 | const std::vector<G4double>* theCutsPositron; |
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312 | |
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313 | G4int nLambdaBins; |
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314 | |
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315 | G4double minKinEnergy; |
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316 | G4double maxKinEnergy; |
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317 | G4double lambdaFactor; |
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318 | G4double polarAngleLimit; |
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319 | |
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320 | G4bool integral; |
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321 | G4bool applyCuts; |
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322 | G4bool startFromNull; |
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323 | G4bool useDeexcitation; |
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324 | |
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325 | G4int nDERegions; |
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326 | std::vector<const G4Region*> deRegions; |
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327 | G4bool* idxDERegions; |
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328 | |
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329 | // ======== Cashed values - may be state dependent ================ |
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330 | |
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331 | protected: |
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332 | |
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333 | G4ParticleChangeForGamma fParticleChange; |
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334 | |
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335 | private: |
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336 | |
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337 | std::vector<G4DynamicParticle*> secParticles; |
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338 | |
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339 | G4VEmModel* currentModel; |
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340 | |
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341 | const G4ParticleDefinition* particle; |
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342 | |
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343 | // cash |
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344 | const G4Material* currentMaterial; |
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345 | const G4MaterialCutsCouple* currentCouple; |
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346 | size_t currentCoupleIndex; |
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347 | |
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348 | G4double mfpKinEnergy; |
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349 | G4double preStepKinEnergy; |
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350 | G4double preStepLambda; |
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351 | |
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352 | }; |
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353 | |
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354 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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355 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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356 | |
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357 | inline G4double G4VEmProcess::ComputeCrossSectionPerAtom( |
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358 | G4double kineticEnergy, G4double Z, G4double A, G4double cut) |
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359 | { |
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360 | SelectModel(kineticEnergy, currentCoupleIndex); |
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361 | G4double x = 0.0; |
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362 | if(currentModel) { |
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363 | x = currentModel->ComputeCrossSectionPerAtom(particle,kineticEnergy, |
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364 | Z,A,cut); |
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365 | } |
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366 | return x; |
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367 | } |
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368 | |
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369 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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370 | |
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371 | inline G4double G4VEmProcess::MeanFreePath(const G4Track& track) |
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372 | { |
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373 | DefineMaterial(track.GetMaterialCutsCouple()); |
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374 | preStepLambda = GetCurrentLambda(track.GetKineticEnergy()); |
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375 | G4double x = DBL_MAX; |
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376 | if(DBL_MIN < preStepLambda) x = 1.0/preStepLambda; |
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377 | return x; |
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378 | } |
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379 | |
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380 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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381 | |
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382 | inline G4double G4VEmProcess::GetLambda(G4double& kineticEnergy, |
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383 | const G4MaterialCutsCouple* couple) |
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384 | { |
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385 | DefineMaterial(couple); |
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386 | return GetCurrentLambda(kineticEnergy); |
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387 | } |
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388 | |
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389 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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390 | |
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391 | inline void G4VEmProcess::SetLambdaBinning(G4int nbins) |
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392 | { |
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393 | nLambdaBins = nbins; |
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394 | } |
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395 | |
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396 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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397 | |
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398 | inline G4int G4VEmProcess::LambdaBinning() const |
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399 | { |
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400 | return nLambdaBins; |
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401 | } |
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402 | |
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403 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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404 | |
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405 | inline void G4VEmProcess::SetMinKinEnergy(G4double e) |
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406 | { |
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407 | minKinEnergy = e; |
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408 | } |
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409 | |
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410 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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411 | |
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412 | inline G4double G4VEmProcess::MinKinEnergy() const |
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413 | { |
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414 | return minKinEnergy; |
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415 | } |
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416 | |
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417 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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418 | |
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419 | inline void G4VEmProcess::SetMaxKinEnergy(G4double e) |
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420 | { |
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421 | maxKinEnergy = e; |
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422 | } |
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423 | |
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424 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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425 | |
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426 | inline G4double G4VEmProcess::MaxKinEnergy() const |
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427 | { |
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428 | return maxKinEnergy; |
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429 | } |
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430 | |
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431 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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432 | |
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433 | inline void G4VEmProcess::SetPolarAngleLimit(G4double val) |
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434 | { |
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435 | if(val < 0.0) polarAngleLimit = 0.0; |
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436 | else if(val > pi) polarAngleLimit = pi; |
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437 | else polarAngleLimit = val; |
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438 | } |
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439 | |
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440 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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441 | |
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442 | inline G4double G4VEmProcess::PolarAngleLimit() const |
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443 | { |
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444 | return polarAngleLimit; |
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445 | } |
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446 | |
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447 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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448 | |
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449 | inline const G4PhysicsTable* G4VEmProcess::LambdaTable() const |
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450 | { |
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451 | return theLambdaTable; |
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452 | } |
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453 | |
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454 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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455 | |
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456 | inline const G4ParticleDefinition* G4VEmProcess::Particle() const |
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457 | { |
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458 | return particle; |
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459 | } |
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460 | |
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461 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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462 | |
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463 | inline const G4ParticleDefinition* G4VEmProcess::SecondaryParticle() const |
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464 | { |
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465 | return secondaryParticle; |
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466 | } |
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467 | |
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468 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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469 | |
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470 | inline |
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471 | G4VEmModel* G4VEmProcess::SelectModel(G4double& kinEnergy, size_t index) |
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472 | { |
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473 | currentModel = modelManager->SelectModel(kinEnergy, index); |
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474 | currentModel->SetCurrentCouple(currentCouple); |
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475 | return currentModel; |
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476 | } |
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477 | |
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478 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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479 | |
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480 | inline |
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481 | G4VEmModel* G4VEmProcess::SelectModelForMaterial(G4double kinEnergy, |
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482 | size_t& idxRegion) const |
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483 | { |
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484 | return modelManager->SelectModel(kinEnergy, idxRegion); |
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485 | } |
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486 | |
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487 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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488 | |
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489 | inline void G4VEmProcess::SetLambdaFactor(G4double val) |
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490 | { |
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491 | if(val > 0.0 && val <= 1.0) lambdaFactor = val; |
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492 | } |
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493 | |
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494 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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495 | |
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496 | inline void G4VEmProcess::SetIntegral(G4bool val) |
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497 | { |
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498 | if(particle && particle != theGamma) integral = val; |
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499 | if(integral) buildLambdaTable = true; |
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500 | } |
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501 | |
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502 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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503 | |
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504 | inline G4bool G4VEmProcess::IsIntegral() const |
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505 | { |
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506 | return integral; |
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507 | } |
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508 | |
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509 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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510 | |
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511 | inline void G4VEmProcess::SetApplyCuts(G4bool val) |
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512 | { |
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513 | applyCuts = val; |
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514 | } |
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515 | |
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516 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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517 | |
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518 | inline G4double G4VEmProcess::RecalculateLambda(G4double e, |
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519 | const G4MaterialCutsCouple* couple) |
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520 | { |
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521 | DefineMaterial(couple); |
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522 | return ComputeCurrentLambda(e); |
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523 | } |
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524 | |
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525 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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526 | |
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527 | inline G4ParticleChangeForGamma* G4VEmProcess::GetParticleChange() |
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528 | { |
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529 | return &fParticleChange; |
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530 | } |
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531 | |
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532 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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533 | |
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534 | inline void G4VEmProcess::SetParticle(const G4ParticleDefinition* p) |
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535 | { |
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536 | particle = p; |
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537 | } |
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538 | |
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539 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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540 | |
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541 | inline void G4VEmProcess::SetSecondaryParticle(const G4ParticleDefinition* p) |
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542 | { |
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543 | secondaryParticle = p; |
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544 | } |
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545 | |
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546 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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547 | |
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548 | inline size_t G4VEmProcess::CurrentMaterialCutsCoupleIndex() const |
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549 | { |
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550 | return currentCoupleIndex; |
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551 | } |
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552 | |
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553 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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554 | |
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555 | inline G4double G4VEmProcess::GetGammaEnergyCut() |
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556 | { |
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557 | return (*theCutsGamma)[currentCoupleIndex]; |
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558 | } |
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559 | |
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560 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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561 | |
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562 | inline G4double G4VEmProcess::GetElectronEnergyCut() |
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563 | { |
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564 | return (*theCutsElectron)[currentCoupleIndex]; |
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565 | } |
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566 | |
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567 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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568 | |
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569 | inline void G4VEmProcess::SetBuildTableFlag(G4bool val) |
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570 | { |
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571 | buildLambdaTable = val; |
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572 | if(!val) integral = false; |
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573 | } |
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574 | |
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575 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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576 | |
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577 | inline void G4VEmProcess::SetStartFromNullFlag(G4bool val) |
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578 | { |
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579 | startFromNull = val; |
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580 | } |
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581 | |
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582 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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583 | |
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584 | inline void G4VEmProcess::InitialiseStep(const G4Track& track) |
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585 | { |
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586 | preStepKinEnergy = track.GetKineticEnergy(); |
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587 | DefineMaterial(track.GetMaterialCutsCouple()); |
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588 | SelectModel(preStepKinEnergy, currentCoupleIndex); |
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589 | if (theNumberOfInteractionLengthLeft < 0.0) mfpKinEnergy = DBL_MAX; |
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590 | } |
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591 | |
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592 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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593 | |
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594 | inline void G4VEmProcess::DefineMaterial(const G4MaterialCutsCouple* couple) |
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595 | { |
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596 | if(couple != currentCouple) { |
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597 | currentCouple = couple; |
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598 | currentMaterial = couple->GetMaterial(); |
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599 | currentCoupleIndex = couple->GetIndex(); |
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600 | mfpKinEnergy = DBL_MAX; |
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601 | } |
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602 | } |
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603 | |
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604 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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605 | |
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606 | inline void G4VEmProcess::ComputeIntegralLambda(G4double e) |
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607 | { |
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608 | mfpKinEnergy = theEnergyOfCrossSectionMax[currentCoupleIndex]; |
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609 | if (e <= mfpKinEnergy) { |
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610 | preStepLambda = GetLambdaFromTable(e); |
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611 | |
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612 | } else { |
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613 | G4double e1 = e*lambdaFactor; |
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614 | if(e1 > mfpKinEnergy) { |
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615 | preStepLambda = GetLambdaFromTable(e); |
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616 | G4double preStepLambda1 = GetLambdaFromTable(e1); |
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617 | if(preStepLambda1 > preStepLambda) { |
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618 | mfpKinEnergy = e1; |
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619 | preStepLambda = preStepLambda1; |
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620 | } |
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621 | } else { |
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622 | preStepLambda = theCrossSectionMax[currentCoupleIndex]; |
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623 | } |
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624 | } |
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625 | } |
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626 | |
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627 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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628 | |
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629 | inline G4double G4VEmProcess::GetLambdaFromTable(G4double e) |
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630 | { |
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631 | return (((*theLambdaTable)[currentCoupleIndex])->Value(e)); |
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632 | } |
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633 | |
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634 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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635 | |
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636 | inline G4double G4VEmProcess::GetCurrentLambda(G4double e) |
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637 | { |
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638 | G4double x = 0.0; |
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639 | if(theLambdaTable) { x = GetLambdaFromTable(e); } |
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640 | else { x = ComputeCurrentLambda(e); } |
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641 | return x; |
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642 | } |
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643 | |
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644 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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645 | |
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646 | inline G4double G4VEmProcess::ComputeCurrentLambda(G4double e) |
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647 | { |
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648 | SelectModel(e, currentCoupleIndex); |
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649 | return currentModel->CrossSectionPerVolume(currentMaterial,particle, |
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650 | e,(*theCuts)[currentCoupleIndex]); |
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651 | } |
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652 | |
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653 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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654 | |
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655 | #endif |
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