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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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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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: G4AdjointCSManager.hh,v 1.4 2009/11/20 10:31:20 ldesorgh 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 | // Class: G4AdjointCSManager |
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31 | // Author: L. Desorgher |
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32 | // Organisation: SpaceIT GmbH |
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33 | // Contract: ESA contract 21435/08/NL/AT |
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34 | // Customer: ESA/ESTEC |
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35 | ///////////////////////////////////////////////////////////////////////////////// |
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36 | // |
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37 | // CHANGE HISTORY |
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38 | // -------------- |
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39 | // ChangeHistory: |
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40 | // 1st April 2007 creation by L. Desorgher |
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41 | // |
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42 | // September-October 2009. Implementation of the mode where the adjoint cross sections are scaled such that the total used adjoint cross sections is in |
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43 | // most of the cases equal to the total forward cross section. L.Desorgher |
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44 | // |
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45 | //------------------------------------------------------------- |
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46 | // Documentation: |
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47 | // Is responsible for the management of all adjoint cross sections matrices, and for the computation of the total forward and adjoint cross sections. |
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48 | // Total adjoint and forward cross sections are needed to correct the weight of a particle after a tracking step or after the occurence of a reverse reaction. |
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49 | // It is also used to sample an adjoint secondary from a given adjoint cross section matrix. |
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50 | // |
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51 | #ifndef G4AdjointCSManager_h |
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52 | #define G4AdjointCSManager_h 1 |
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53 | |
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54 | #include"globals.hh" |
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55 | #include<vector> |
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56 | #include"G4AdjointCSMatrix.hh" |
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57 | |
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58 | |
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59 | class G4VEmAdjointModel; |
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60 | class G4MaterialCutsCouple; |
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61 | class G4Material; |
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62 | class G4ParticleDefinition; |
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63 | class G4Element; |
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64 | class G4VEmProcess; |
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65 | class G4VEnergyLossProcess; |
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66 | class G4PhysicsTable; |
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67 | |
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68 | //////////////////////////////////////////////////////////////////////////////// |
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69 | // |
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70 | class G4AdjointCSManager |
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71 | { |
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72 | |
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73 | public: |
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74 | ~G4AdjointCSManager(); |
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75 | static G4AdjointCSManager* GetAdjointCSManager(); |
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76 | |
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77 | public: |
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78 | G4int GetNbProcesses(); |
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79 | |
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80 | //Registration of the different models and processes |
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81 | |
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82 | void RegisterEmAdjointModel(G4VEmAdjointModel*); |
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83 | |
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84 | void RegisterEmProcess(G4VEmProcess* aProcess, G4ParticleDefinition* aPartDef); |
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85 | |
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86 | void RegisterEnergyLossProcess(G4VEnergyLossProcess* aProcess, G4ParticleDefinition* aPartDef); |
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87 | |
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88 | void RegisterAdjointParticle(G4ParticleDefinition* aPartDef); |
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89 | |
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90 | //Building of the CS Matrices and Total Forward and Adjoint LambdaTables |
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91 | //---------------------------------------------------------------------- |
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92 | |
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93 | void BuildCrossSectionMatrices(); |
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94 | void BuildTotalSigmaTables(); |
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95 | |
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96 | |
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97 | //Get TotalCrossSections form Total Lambda Tables, Needed for Weight correction and scaling of the |
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98 | //------------------------------------------------- |
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99 | G4double GetTotalAdjointCS(G4ParticleDefinition* aPartDef, G4double Ekin, |
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100 | const G4MaterialCutsCouple* aCouple); |
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101 | G4double GetTotalForwardCS(G4ParticleDefinition* aPartDef, G4double Ekin, |
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102 | const G4MaterialCutsCouple* aCouple); |
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103 | |
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104 | |
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105 | void GetEminForTotalCS(G4ParticleDefinition* aPartDef, |
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106 | const G4MaterialCutsCouple* aCouple, G4double& emin_adj, G4double& emin_fwd); |
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107 | void GetMaxFwdTotalCS(G4ParticleDefinition* aPartDef, |
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108 | const G4MaterialCutsCouple* aCouple, G4double& e_sigma_max, G4double& sigma_max); |
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109 | void GetMaxAdjTotalCS(G4ParticleDefinition* aPartDef, |
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110 | const G4MaterialCutsCouple* aCouple, G4double& e_sigma_max, G4double& sigma_max); |
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111 | |
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112 | |
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113 | |
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114 | //CrossSection Correction 1 or FwdCS/AdjCS following the G4boolean value of forward_CS_is_used and forward_CS_mode |
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115 | //------------------------------------------------- |
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116 | G4double GetCrossSectionCorrection(G4ParticleDefinition* aPartDef,G4double PreStepEkin,const G4MaterialCutsCouple* aCouple, G4bool& fwd_is_used, G4double& fwd_TotCS); |
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117 | |
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118 | |
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119 | //Cross section mode |
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120 | //------------------ |
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121 | inline void SetFwdCrossSectionMode(G4bool aBool){forward_CS_mode=aBool;} |
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122 | |
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123 | |
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124 | //Weight correction |
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125 | //------------------ |
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126 | |
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127 | G4double GetContinuousWeightCorrection(G4ParticleDefinition* aPartDef, G4double PreStepEkin,G4double AfterStepEkin, |
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128 | const G4MaterialCutsCouple* aCouple, G4double step_length); |
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129 | G4double GetPostStepWeightCorrection(); |
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130 | |
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131 | |
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132 | |
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133 | |
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134 | //Method Called by the adjoint model to get there CS, if not precised otherwise |
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135 | //------------------------------- |
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136 | |
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137 | G4double ComputeAdjointCS(G4Material* aMaterial, |
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138 | G4VEmAdjointModel* aModel, |
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139 | G4double PrimEnergy, |
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140 | G4double Tcut, |
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141 | G4bool IsScatProjToProjCase, |
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142 | std::vector<G4double>& |
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143 | AdjointCS_for_each_element); |
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144 | |
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145 | //Method Called by the adjoint model to sample the secondary energy form the CS matrix |
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146 | //-------------------------------------------------------------------------------- |
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147 | G4Element* SampleElementFromCSMatrices(G4Material* aMaterial, |
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148 | G4VEmAdjointModel* aModel, |
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149 | G4double PrimEnergy, |
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150 | G4double Tcut, |
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151 | G4bool IsScatProjToProjCase); |
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152 | |
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153 | |
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154 | //Total Adjoint CS is computed at initialisation phase |
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155 | //----------------------------------------------------- |
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156 | G4double ComputeTotalAdjointCS(const G4MaterialCutsCouple* aMatCutCouple,G4ParticleDefinition* aPart,G4double PrimEnergy); |
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157 | |
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158 | |
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159 | |
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160 | |
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161 | G4ParticleDefinition* GetAdjointParticleEquivalent(G4ParticleDefinition* theFwdPartDef); |
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162 | G4ParticleDefinition* GetForwardParticleEquivalent(G4ParticleDefinition* theAdjPartDef); |
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163 | |
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164 | //inline |
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165 | inline void SetTmin(G4double aVal){Tmin=aVal;} |
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166 | inline void SetTmax(G4double aVal){Tmax=aVal;} |
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167 | inline void SetNbins(G4int aInt){nbins=aInt;} |
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168 | inline void SetIon(G4ParticleDefinition* adjIon, |
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169 | G4ParticleDefinition* fwdIon) {theAdjIon=adjIon; theFwdIon =fwdIon;} |
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170 | |
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171 | |
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172 | private: |
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173 | static G4AdjointCSManager* theInstance; |
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174 | std::vector< std::vector<G4AdjointCSMatrix*> > theAdjointCSMatricesForScatProjToProj; //x dim is for G4VAdjointEM* while y dim is for elements |
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175 | std::vector< std::vector<G4AdjointCSMatrix*> > theAdjointCSMatricesForProdToProj; |
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176 | std::vector< G4VEmAdjointModel*> listOfAdjointEMModel; |
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177 | |
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178 | std::vector<G4AdjointCSMatrix*> |
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179 | BuildCrossSectionsMatricesForAGivenModelAndElement(G4VEmAdjointModel* aModel, |
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180 | G4int Z, |
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181 | G4int A, |
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182 | G4int nbin_pro_decade); |
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183 | |
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184 | std::vector<G4AdjointCSMatrix*> |
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185 | BuildCrossSectionsMatricesForAGivenModelAndMaterial(G4VEmAdjointModel* aModel, |
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186 | G4Material* aMaterial, |
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187 | G4int nbin_pro_decade); |
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188 | |
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189 | |
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190 | G4Material* lastMaterial; |
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191 | G4double lastPrimaryEnergy; |
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192 | G4double lastTcut; |
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193 | std::vector< size_t> listOfIndexOfAdjointEMModelInAction; |
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194 | std::vector< G4bool> listOfIsScatProjToProjCase; |
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195 | std::vector< std::vector<G4double> > lastAdjointCSVsModelsAndElements; |
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196 | G4bool CrossSectionMatrixesAreBuilt; |
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197 | size_t currentParticleIndex; |
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198 | G4ParticleDefinition* currentParticleDef; |
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199 | |
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200 | //total adjoint and total forward cross section table in function of material and in function of adjoint particle type |
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201 | //-------------------------------------------------------------------------------------------------------------------- |
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202 | std::vector<G4PhysicsTable*> theTotalForwardSigmaTableVector; |
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203 | std::vector<G4PhysicsTable*> theTotalAdjointSigmaTableVector; |
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204 | std::vector< std::vector<G4double> > EminForFwdSigmaTables; |
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205 | std::vector< std::vector<G4double> > EminForAdjSigmaTables; |
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206 | std::vector< std::vector<G4double> > EkinofFwdSigmaMax; |
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207 | std::vector< std::vector<G4double> > EkinofAdjSigmaMax; |
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208 | |
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209 | |
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210 | |
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211 | |
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212 | //list of forward G4VEMLossProcess and of G4VEMProcess for the different adjoint particle |
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213 | //-------------------------------------------------------------- |
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214 | std::vector< std::vector<G4VEmProcess*>* > listOfForwardEmProcess; |
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215 | std::vector< std::vector<G4VEnergyLossProcess*>* > listOfForwardEnergyLossProcess; |
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216 | |
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217 | //list of adjoint particles considered |
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218 | //-------------------------------------------------------------- |
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219 | std::vector< G4ParticleDefinition*> theListOfAdjointParticlesInAction; |
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220 | |
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221 | |
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222 | G4double Tmin,Tmax; |
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223 | G4int nbins; |
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224 | |
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225 | |
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226 | //Current material |
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227 | //---------------- |
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228 | G4MaterialCutsCouple* currentCouple; |
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229 | G4Material* currentMaterial; |
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230 | size_t currentMatIndex; |
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231 | |
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232 | G4int verbose; |
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233 | |
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234 | |
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235 | |
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236 | |
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237 | //Two CS mode are possible :forward_CS_mode = false the Adjoint CS are used as it is implying a AlongStep Weight Correction. |
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238 | // :forward_CS_mode = true the Adjoint CS are scaled to have the total adjoint CS eual to the fwd one implying a PostStep Weight Correction. |
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239 | // For energy range where the total FwdCS or the total adjoint CS are null, the scaling is not possble and |
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240 | // forward_CS_is_used is set to false |
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241 | //-------------------------------------------- |
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242 | G4bool forward_CS_is_used; |
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243 | G4bool forward_CS_mode; |
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244 | |
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245 | //Adj and Fwd CS values for re-use |
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246 | //------------------------ |
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247 | |
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248 | G4double PreadjCS,PostadjCS; |
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249 | G4double PrefwdCS,PostfwdCS; |
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250 | G4double LastEkinForCS; |
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251 | G4double LastCSCorrectionFactor; |
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252 | G4ParticleDefinition* lastPartDefForCS; |
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253 | |
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254 | //Ion |
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255 | //---------------- |
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256 | G4ParticleDefinition* theAdjIon; //at the moment Only one ion can be considered by simulation |
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257 | G4ParticleDefinition* theFwdIon; |
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258 | G4double massRatio; |
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259 | |
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260 | |
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261 | |
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262 | |
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263 | private: |
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264 | G4AdjointCSManager(); |
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265 | void DefineCurrentMaterial(const G4MaterialCutsCouple* couple); |
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266 | void DefineCurrentParticle(const G4ParticleDefinition* aPartDef); |
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267 | G4double ComputeAdjointCS(G4double aPrimEnergy, G4AdjointCSMatrix* anAdjointCSMatrix, G4double Tcut); |
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268 | |
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269 | }; |
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270 | #endif |
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