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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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: G4DNARuddIonisationExtendedModel.cc,v 1.3 2010/11/04 14:52:17 sincerti Exp $ |
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27 | // GEANT4 tag $Name: geant4-09-04-ref-00 $ |
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28 | // |
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29 | |
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30 | |
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31 | // Modified by Z. Francis to handle HZE && inverse rudd function sampling 26-10-2010 |
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32 | |
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33 | #include "G4DNARuddIonisationExtendedModel.hh" |
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34 | |
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35 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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36 | |
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37 | using namespace std; |
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38 | |
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39 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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40 | |
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41 | G4DNARuddIonisationExtendedModel::G4DNARuddIonisationExtendedModel(const G4ParticleDefinition*, |
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42 | const G4String& nam) |
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43 | :G4VEmModel(nam),isInitialised(false) |
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44 | { |
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45 | |
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46 | lowEnergyLimitForA[1] = 0 * eV; |
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47 | lowEnergyLimitForA[2] = 0 * eV; |
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48 | lowEnergyLimitForA[3] = 0 * eV; |
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49 | lowEnergyLimitOfModelForA[1] = 100 * eV; |
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50 | lowEnergyLimitOfModelForA[4] = 1 * keV; |
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51 | lowEnergyLimitOfModelForA[5] = 0.5 * MeV; // For A = 3 or above, limit is MeV/uma |
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52 | killBelowEnergyForA[1] = lowEnergyLimitOfModelForA[1]; |
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53 | killBelowEnergyForA[4] = lowEnergyLimitOfModelForA[4]; |
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54 | killBelowEnergyForA[5] = lowEnergyLimitOfModelForA[5]; |
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55 | |
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56 | |
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57 | verboseLevel= 0; |
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58 | // Verbosity scale: |
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59 | // 0 = nothing |
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60 | // 1 = warning for energy non-conservation |
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61 | // 2 = details of energy budget |
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62 | // 3 = calculation of cross sections, file openings, sampling of atoms |
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63 | // 4 = entering in methods |
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64 | |
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65 | if( verboseLevel>0 ) |
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66 | { |
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67 | G4cout << "Rudd ionisation model is constructed " << G4endl; |
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68 | } |
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69 | } |
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70 | |
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71 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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72 | |
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73 | G4DNARuddIonisationExtendedModel::~G4DNARuddIonisationExtendedModel() |
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74 | { |
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75 | // Cross section |
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76 | |
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77 | std::map< G4String,G4DNACrossSectionDataSet*,std::less<G4String> >::iterator pos; |
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78 | for (pos = tableData.begin(); pos != tableData.end(); ++pos) |
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79 | { |
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80 | G4DNACrossSectionDataSet* table = pos->second; |
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81 | delete table; |
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82 | } |
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83 | |
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84 | } |
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85 | |
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86 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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87 | |
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88 | void G4DNARuddIonisationExtendedModel::Initialise(const G4ParticleDefinition* particle, |
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89 | const G4DataVector& /*cuts*/) |
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90 | { |
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91 | |
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92 | if (verboseLevel > 3) |
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93 | G4cout << "Calling G4DNARuddIonisationExtendedModel::Initialise()" << G4endl; |
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94 | |
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95 | // Energy limits |
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96 | |
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97 | G4String fileProton("dna/sigma_ionisation_p_rudd"); |
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98 | G4String fileHydrogen("dna/sigma_ionisation_h_rudd"); |
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99 | G4String fileAlphaPlusPlus("dna/sigma_ionisation_alphaplusplus_rudd"); |
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100 | G4String fileAlphaPlus("dna/sigma_ionisation_alphaplus_rudd"); |
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101 | G4String fileHelium("dna/sigma_ionisation_he_rudd"); |
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102 | G4String fileCarbon("dna/sigma_ionisation_c_rudd"); |
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103 | G4String fileNitrogen("dna/sigma_ionisation_n_rudd"); |
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104 | G4String fileOxygen("dna/sigma_ionisation_o_rudd"); |
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105 | G4String fileIron("dna/sigma_ionisation_fe_rudd"); |
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106 | |
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107 | G4DNAGenericIonsManager *instance; |
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108 | instance = G4DNAGenericIonsManager::Instance(); |
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109 | G4ParticleDefinition* protonDef = G4Proton::ProtonDefinition(); |
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110 | G4ParticleDefinition* hydrogenDef = instance->GetIon("hydrogen"); |
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111 | G4ParticleDefinition* alphaPlusPlusDef = instance->GetIon("alpha++"); |
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112 | G4ParticleDefinition* alphaPlusDef = instance->GetIon("alpha+"); |
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113 | G4ParticleDefinition* heliumDef = instance->GetIon("helium"); |
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114 | G4ParticleDefinition* carbonDef = instance->GetIon("carbon"); |
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115 | G4ParticleDefinition* nitrogenDef = instance->GetIon("nitrogen"); |
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116 | G4ParticleDefinition* oxygenDef = instance->GetIon("oxygen"); |
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117 | G4ParticleDefinition* ironDef = instance->GetIon("iron"); |
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118 | |
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119 | G4String proton; |
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120 | G4String hydrogen; |
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121 | G4String alphaPlusPlus; |
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122 | G4String alphaPlus; |
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123 | G4String helium; |
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124 | G4String carbon; |
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125 | G4String nitrogen; |
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126 | G4String oxygen; |
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127 | G4String iron; |
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128 | |
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129 | G4double scaleFactor = 1 * m*m; |
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130 | |
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131 | if (protonDef != 0) |
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132 | { |
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133 | proton = protonDef->GetParticleName(); |
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134 | tableFile[proton] = fileProton; |
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135 | lowEnergyLimit[proton] = lowEnergyLimitForA[1]; |
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136 | highEnergyLimit[proton] = 500. * keV; |
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137 | |
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138 | // Cross section |
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139 | |
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140 | G4DNACrossSectionDataSet* tableProton = new G4DNACrossSectionDataSet(new G4LogLogInterpolation, |
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141 | eV, |
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142 | scaleFactor ); |
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143 | tableProton->LoadData(fileProton); |
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144 | tableData[proton] = tableProton; |
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145 | } |
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146 | else |
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147 | { |
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148 | G4Exception("G4DNARuddIonisationExtendedModel::Initialise: proton is not defined"); |
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149 | } |
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150 | |
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151 | if (hydrogenDef != 0) |
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152 | { |
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153 | hydrogen = hydrogenDef->GetParticleName(); |
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154 | tableFile[hydrogen] = fileHydrogen; |
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155 | |
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156 | lowEnergyLimit[hydrogen] = lowEnergyLimitForA[1]; |
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157 | highEnergyLimit[hydrogen] = 100. * MeV; |
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158 | |
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159 | // Cross section |
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160 | |
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161 | G4DNACrossSectionDataSet* tableHydrogen = new G4DNACrossSectionDataSet(new G4LogLogInterpolation, |
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162 | eV, |
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163 | scaleFactor ); |
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164 | tableHydrogen->LoadData(fileHydrogen); |
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165 | |
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166 | tableData[hydrogen] = tableHydrogen; |
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167 | } |
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168 | else |
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169 | { |
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170 | G4Exception("G4DNARuddIonisationExtendedModel::Initialise: hydrogen is not defined"); |
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171 | } |
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172 | |
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173 | if (alphaPlusPlusDef != 0) |
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174 | { |
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175 | alphaPlusPlus = alphaPlusPlusDef->GetParticleName(); |
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176 | tableFile[alphaPlusPlus] = fileAlphaPlusPlus; |
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177 | |
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178 | lowEnergyLimit[alphaPlusPlus] = lowEnergyLimitForA[4]; |
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179 | highEnergyLimit[alphaPlusPlus] = 400. * MeV; |
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180 | |
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181 | // Cross section |
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182 | |
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183 | G4DNACrossSectionDataSet* tableAlphaPlusPlus = new G4DNACrossSectionDataSet(new G4LogLogInterpolation, |
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184 | eV, |
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185 | scaleFactor ); |
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186 | tableAlphaPlusPlus->LoadData(fileAlphaPlusPlus); |
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187 | |
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188 | tableData[alphaPlusPlus] = tableAlphaPlusPlus; |
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189 | } |
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190 | else |
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191 | { |
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192 | G4Exception("G4DNARuddIonisationExtendedModel::Initialise: alphaPlusPlus is not defined"); |
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193 | } |
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194 | |
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195 | if (alphaPlusDef != 0) |
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196 | { |
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197 | alphaPlus = alphaPlusDef->GetParticleName(); |
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198 | tableFile[alphaPlus] = fileAlphaPlus; |
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199 | |
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200 | lowEnergyLimit[alphaPlus] = lowEnergyLimitForA[4]; |
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201 | highEnergyLimit[alphaPlus] = 400. * MeV; |
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202 | |
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203 | // Cross section |
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204 | |
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205 | G4DNACrossSectionDataSet* tableAlphaPlus = new G4DNACrossSectionDataSet(new G4LogLogInterpolation, |
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206 | eV, |
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207 | scaleFactor ); |
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208 | tableAlphaPlus->LoadData(fileAlphaPlus); |
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209 | tableData[alphaPlus] = tableAlphaPlus; |
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210 | } |
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211 | else |
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212 | { |
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213 | G4Exception("G4DNARuddIonisationExtendedModel::Initialise: alphaPlus is not defined"); |
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214 | } |
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215 | |
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216 | if (heliumDef != 0) |
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217 | { |
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218 | helium = heliumDef->GetParticleName(); |
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219 | tableFile[helium] = fileHelium; |
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220 | |
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221 | lowEnergyLimit[helium] = lowEnergyLimitForA[4]; |
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222 | highEnergyLimit[helium] = 400. * MeV; |
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223 | |
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224 | // Cross section |
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225 | |
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226 | G4DNACrossSectionDataSet* tableHelium = new G4DNACrossSectionDataSet(new G4LogLogInterpolation, |
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227 | eV, |
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228 | scaleFactor ); |
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229 | tableHelium->LoadData(fileHelium); |
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230 | tableData[helium] = tableHelium; |
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231 | } |
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232 | else |
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233 | { |
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234 | G4Exception("G4DNARuddIonisationExtendedModel::Initialise: helium is not defined"); |
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235 | } |
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236 | |
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237 | if (carbonDef != 0) |
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238 | { |
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239 | carbon = carbonDef->GetParticleName(); |
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240 | tableFile[carbon] = fileCarbon; |
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241 | |
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242 | lowEnergyLimit[carbon] = lowEnergyLimitForA[5] * particle->GetAtomicMass(); |
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243 | highEnergyLimit[carbon] = 1e6* particle->GetAtomicMass() * MeV; |
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244 | |
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245 | // Cross section |
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246 | |
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247 | G4DNACrossSectionDataSet* tableCarbon = new G4DNACrossSectionDataSet(new G4LogLogInterpolation, |
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248 | eV, |
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249 | scaleFactor ); |
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250 | tableCarbon->LoadData(fileCarbon); |
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251 | tableData[carbon] = tableCarbon; |
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252 | } |
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253 | else |
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254 | { |
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255 | G4Exception("G4DNARuddIonisationExtendedModel::Initialise: Carbon is not defined"); |
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256 | } |
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257 | |
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258 | if (oxygenDef != 0) |
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259 | { |
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260 | oxygen = oxygenDef->GetParticleName(); |
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261 | tableFile[oxygen] = fileOxygen; |
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262 | |
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263 | lowEnergyLimit[oxygen] = lowEnergyLimitForA[5]* particle->GetAtomicMass(); |
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264 | highEnergyLimit[oxygen] = 1e6* particle->GetAtomicMass()* MeV; |
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265 | |
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266 | // Cross section |
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267 | |
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268 | G4DNACrossSectionDataSet* tableOxygen = new G4DNACrossSectionDataSet(new G4LogLogInterpolation, |
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269 | eV, |
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270 | scaleFactor ); |
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271 | tableOxygen->LoadData(fileOxygen); |
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272 | tableData[oxygen] = tableOxygen; |
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273 | } |
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274 | else |
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275 | { |
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276 | G4Exception("G4DNARuddIonisationExtendedModel::Initialise: Oxygen is not defined"); |
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277 | } |
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278 | |
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279 | if (nitrogenDef != 0) |
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280 | { |
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281 | nitrogen = nitrogenDef->GetParticleName(); |
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282 | tableFile[nitrogen] = fileNitrogen; |
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283 | |
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284 | lowEnergyLimit[nitrogen] = lowEnergyLimitForA[5]* particle->GetAtomicMass(); |
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285 | highEnergyLimit[nitrogen] = 1e6* particle->GetAtomicMass()* MeV; |
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286 | |
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287 | // Cross section |
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288 | |
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289 | G4DNACrossSectionDataSet* tableNitrogen = new G4DNACrossSectionDataSet(new G4LogLogInterpolation, |
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290 | eV, |
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291 | scaleFactor ); |
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292 | tableNitrogen->LoadData(fileNitrogen); |
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293 | tableData[nitrogen] = tableNitrogen; |
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294 | } |
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295 | else |
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296 | { |
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297 | G4Exception("G4DNARuddIonisationExtendedModel::Initialise: Nitrogen is not defined"); |
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298 | } |
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299 | |
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300 | if (ironDef != 0) |
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301 | { |
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302 | iron = ironDef->GetParticleName(); |
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303 | tableFile[iron] = fileIron; |
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304 | |
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305 | lowEnergyLimit[iron] = lowEnergyLimitForA[5]* particle->GetAtomicMass(); |
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306 | highEnergyLimit[iron] = 1e6* particle->GetAtomicMass()* MeV; |
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307 | |
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308 | // Cross section |
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309 | |
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310 | G4DNACrossSectionDataSet* tableIron = new G4DNACrossSectionDataSet(new G4LogLogInterpolation, |
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311 | eV, |
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312 | scaleFactor ); |
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313 | tableIron->LoadData(fileIron); |
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314 | tableData[iron] = tableIron; |
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315 | } |
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316 | else |
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317 | { |
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318 | G4Exception("G4DNARuddIonisationExtendedModel::Initialise: Iron is not defined"); |
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319 | } |
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320 | |
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321 | // ZF Following lines can be replaced by: |
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322 | SetLowEnergyLimit(lowEnergyLimit[particle->GetParticleName()]); |
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323 | SetHighEnergyLimit(highEnergyLimit[particle->GetParticleName()]); |
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324 | // at least for HZE |
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325 | |
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326 | /* |
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327 | if (particle==protonDef) |
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328 | { |
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329 | SetLowEnergyLimit(lowEnergyLimit[proton]); |
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330 | SetHighEnergyLimit(highEnergyLimit[proton]); |
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331 | } |
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332 | |
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333 | if (particle==hydrogenDef) |
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334 | { |
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335 | SetLowEnergyLimit(lowEnergyLimit[hydrogen]); |
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336 | SetHighEnergyLimit(highEnergyLimit[hydrogen]); |
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337 | } |
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338 | |
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339 | if (particle==heliumDef) |
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340 | { |
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341 | SetLowEnergyLimit(lowEnergyLimit[helium]); |
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342 | SetHighEnergyLimit(highEnergyLimit[helium]); |
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343 | } |
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344 | |
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345 | if (particle==alphaPlusDef) |
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346 | { |
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347 | SetLowEnergyLimit(lowEnergyLimit[alphaPlus]); |
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348 | SetHighEnergyLimit(highEnergyLimit[alphaPlus]); |
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349 | } |
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350 | |
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351 | if (particle==alphaPlusPlusDef) |
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352 | { |
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353 | SetLowEnergyLimit(lowEnergyLimit[alphaPlusPlus]); |
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354 | SetHighEnergyLimit(highEnergyLimit[alphaPlusPlus]); |
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355 | } |
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356 | |
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357 | if (particle==carbonDef) |
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358 | { |
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359 | SetLowEnergyLimit(lowEnergyLimit[carbon]); |
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360 | SetHighEnergyLimit(highEnergyLimit[carbon]); |
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361 | } |
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362 | |
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363 | if (particle==oxygenDef) |
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364 | { |
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365 | SetLowEnergyLimit(lowEnergyLimit[oxygen]); |
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366 | SetHighEnergyLimit(highEnergyLimit[oxygen]); |
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367 | }*/ |
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368 | |
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369 | //---------------------------------------------------------------------- |
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370 | |
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371 | if( verboseLevel>0 ) |
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372 | { |
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373 | G4cout << "Rudd ionisation model is initialized " << G4endl |
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374 | << "Energy range: " |
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375 | << LowEnergyLimit() / eV << " eV - " |
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376 | << HighEnergyLimit() / keV << " keV for " |
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377 | << particle->GetParticleName() |
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378 | << G4endl; |
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379 | } |
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380 | |
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381 | // |
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382 | |
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383 | if(!isInitialised) |
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384 | { |
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385 | isInitialised = true; |
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386 | |
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387 | if(pParticleChange) |
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388 | fParticleChangeForGamma = reinterpret_cast<G4ParticleChangeForGamma*>(pParticleChange); |
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389 | else |
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390 | fParticleChangeForGamma = new G4ParticleChangeForGamma(); |
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391 | } |
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392 | } |
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393 | |
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394 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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395 | |
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396 | G4double G4DNARuddIonisationExtendedModel::CrossSectionPerVolume(const G4Material* material, |
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397 | const G4ParticleDefinition* particleDefinition, |
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398 | G4double k, |
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399 | G4double, |
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400 | G4double) |
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401 | { |
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402 | if (verboseLevel > 3) |
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403 | G4cout << "Calling CrossSectionPerVolume() of G4DNARuddIonisationExtendedModel" << G4endl; |
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404 | |
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405 | // Calculate total cross section for model |
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406 | |
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407 | G4DNAGenericIonsManager *instance; |
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408 | instance = G4DNAGenericIonsManager::Instance(); |
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409 | |
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410 | if ( |
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411 | particleDefinition != G4Proton::ProtonDefinition() |
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412 | && |
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413 | particleDefinition != instance->GetIon("hydrogen") |
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414 | && |
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415 | particleDefinition != instance->GetIon("alpha++") |
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416 | && |
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417 | particleDefinition != instance->GetIon("alpha+") |
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418 | && |
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419 | particleDefinition != instance->GetIon("helium") |
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420 | && |
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421 | particleDefinition != instance->GetIon("carbon") |
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422 | && |
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423 | particleDefinition != instance->GetIon("nitrogen") |
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424 | && |
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425 | particleDefinition != instance->GetIon("oxygen") |
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426 | && |
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427 | particleDefinition != instance->GetIon("iron") |
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428 | ) |
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429 | |
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430 | return 0; |
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431 | |
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432 | G4double lowLim = 0; |
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433 | |
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434 | if ( particleDefinition == G4Proton::ProtonDefinition() |
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435 | || particleDefinition == instance->GetIon("hydrogen") |
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436 | ) |
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437 | |
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438 | lowLim = lowEnergyLimitOfModelForA[1]; |
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439 | |
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440 | else if ( particleDefinition == instance->GetIon("alpha++") |
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441 | || particleDefinition == instance->GetIon("alpha+") |
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442 | || particleDefinition == instance->GetIon("helium") |
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443 | ) |
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444 | |
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445 | lowLim = lowEnergyLimitOfModelForA[4]; |
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446 | |
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447 | else lowLim = lowEnergyLimitOfModelForA[5]; |
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448 | |
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449 | G4double highLim = 0; |
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450 | G4double sigma=0; |
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451 | |
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452 | if (material->GetName() == "G4_WATER") |
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453 | { |
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454 | const G4String& particleName = particleDefinition->GetParticleName(); |
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455 | |
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456 | std::map< G4String,G4double,std::less<G4String> >::iterator pos2; |
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457 | pos2 = highEnergyLimit.find(particleName); |
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458 | |
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459 | if (pos2 != highEnergyLimit.end()) |
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460 | { |
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461 | highLim = pos2->second; |
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462 | } |
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463 | |
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464 | if (k <= highLim) |
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465 | { |
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466 | |
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467 | //SI : XS must not be zero otherwise sampling of secondaries method ignored |
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468 | |
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469 | if (k < lowLim) k = lowLim; |
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470 | |
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471 | // |
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472 | |
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473 | std::map< G4String,G4DNACrossSectionDataSet*,std::less<G4String> >::iterator pos; |
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474 | pos = tableData.find(particleName); |
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475 | |
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476 | if (pos != tableData.end()) |
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477 | { |
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478 | G4DNACrossSectionDataSet* table = pos->second; |
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479 | if (table != 0) |
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480 | { |
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481 | sigma = table->FindValue(k); |
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482 | } |
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483 | } |
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484 | else |
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485 | { |
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486 | G4Exception |
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487 | ("G4DNARuddIonisationExtendedModel::CrossSectionPerVolume: attempting to calculate cross section for wrong particle"); |
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488 | } |
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489 | |
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490 | } // if (k >= lowLim && k < highLim) |
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491 | |
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492 | if (verboseLevel > 3) |
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493 | { |
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494 | G4cout << "---> Kinetic energy(eV)=" << k/eV << G4endl; |
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495 | G4cout << " - Cross section per water molecule (cm^2)=" << sigma/cm/cm << G4endl; |
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496 | G4cout << " - Cross section per water molecule (cm^-1)=" << sigma*densityWater/(1./cm) << G4endl; |
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497 | } |
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498 | |
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499 | } // if (waterMaterial) |
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500 | |
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501 | return sigma*material->GetAtomicNumDensityVector()[1]; |
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502 | |
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503 | } |
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504 | |
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505 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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506 | |
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507 | void G4DNARuddIonisationExtendedModel::SampleSecondaries(std::vector<G4DynamicParticle*>* fvect, |
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508 | const G4MaterialCutsCouple* /*couple*/, |
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509 | const G4DynamicParticle* particle, |
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510 | G4double, |
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511 | G4double) |
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512 | { |
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513 | if (verboseLevel > 3) |
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514 | G4cout << "Calling SampleSecondaries() of G4DNARuddIonisationExtendedModel" << G4endl; |
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515 | |
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516 | G4double lowLim = 0; |
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517 | G4double highLim = 0; |
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518 | |
---|
519 | G4DNAGenericIonsManager *instance; |
---|
520 | instance = G4DNAGenericIonsManager::Instance(); |
---|
521 | |
---|
522 | // ZF: the following line summarizes the commented part |
---|
523 | if(particle->GetDefinition()->GetAtomicMass() <= 4) lowLim = killBelowEnergyForA[particle->GetDefinition()->GetAtomicMass()]; |
---|
524 | else lowLim = killBelowEnergyForA[5]*particle->GetDefinition()->GetAtomicMass(); |
---|
525 | |
---|
526 | /*if(particle->GetDefinition()->GetAtomicMass() >= 5) lowLim = killBelowEnergyForA[5]*particle->GetDefinition()->GetAtomicMass(); |
---|
527 | |
---|
528 | |
---|
529 | if ( particle->GetDefinition() == G4Proton::ProtonDefinition() |
---|
530 | || particle->GetDefinition() == instance->GetIon("hydrogen") |
---|
531 | ) |
---|
532 | |
---|
533 | lowLim = killBelowEnergyForA[1]; |
---|
534 | |
---|
535 | if ( particle->GetDefinition() == instance->GetIon("alpha++") |
---|
536 | || particle->GetDefinition() == instance->GetIon("alpha+") |
---|
537 | || particle->GetDefinition() == instance->GetIon("helium") |
---|
538 | ) |
---|
539 | |
---|
540 | lowLim = killBelowEnergyForA[4];*/ |
---|
541 | |
---|
542 | |
---|
543 | |
---|
544 | G4double k = particle->GetKineticEnergy(); |
---|
545 | |
---|
546 | const G4String& particleName = particle->GetDefinition()->GetParticleName(); |
---|
547 | |
---|
548 | // SI - the following is useless since lowLim is already defined |
---|
549 | /* |
---|
550 | std::map< G4String,G4double,std::less<G4String> >::iterator pos1; |
---|
551 | pos1 = lowEnergyLimit.find(particleName); |
---|
552 | |
---|
553 | if (pos1 != lowEnergyLimit.end()) |
---|
554 | { |
---|
555 | lowLim = pos1->second; |
---|
556 | } |
---|
557 | */ |
---|
558 | |
---|
559 | std::map< G4String,G4double,std::less<G4String> >::iterator pos2; |
---|
560 | pos2 = highEnergyLimit.find(particleName); |
---|
561 | |
---|
562 | if (pos2 != highEnergyLimit.end())highLim = pos2->second; |
---|
563 | |
---|
564 | if (k >= lowLim && k < highLim) |
---|
565 | { |
---|
566 | G4ParticleDefinition* definition = particle->GetDefinition(); |
---|
567 | G4ParticleMomentum primaryDirection = particle->GetMomentumDirection(); |
---|
568 | /* |
---|
569 | G4double particleMass = definition->GetPDGMass(); |
---|
570 | G4double totalEnergy = k + particleMass; |
---|
571 | G4double pSquare = k*(totalEnergy+particleMass); |
---|
572 | G4double totalMomentum = std::sqrt(pSquare); |
---|
573 | */ |
---|
574 | |
---|
575 | G4int ionizationShell = RandomSelect(k,particleName); |
---|
576 | |
---|
577 | G4double secondaryKinetic = RandomizeEjectedElectronEnergy(definition,k,ionizationShell); |
---|
578 | |
---|
579 | G4double bindingEnergy = waterStructure.IonisationEnergy(ionizationShell); |
---|
580 | |
---|
581 | G4double cosTheta = 0.; |
---|
582 | G4double phi = 0.; |
---|
583 | RandomizeEjectedElectronDirection(definition, k,secondaryKinetic, cosTheta, phi, ionizationShell); |
---|
584 | |
---|
585 | G4double sinTheta = std::sqrt(1.-cosTheta*cosTheta); |
---|
586 | G4double dirX = sinTheta*std::cos(phi); |
---|
587 | G4double dirY = sinTheta*std::sin(phi); |
---|
588 | G4double dirZ = cosTheta; |
---|
589 | G4ThreeVector deltaDirection(dirX,dirY,dirZ); |
---|
590 | deltaDirection.rotateUz(primaryDirection); |
---|
591 | |
---|
592 | // Ignored for ions on electrons |
---|
593 | /* |
---|
594 | G4double deltaTotalMomentum = std::sqrt(secondaryKinetic*(secondaryKinetic + 2.*electron_mass_c2 )); |
---|
595 | |
---|
596 | G4double finalPx = totalMomentum*primaryDirection.x() - deltaTotalMomentum*deltaDirection.x(); |
---|
597 | G4double finalPy = totalMomentum*primaryDirection.y() - deltaTotalMomentum*deltaDirection.y(); |
---|
598 | G4double finalPz = totalMomentum*primaryDirection.z() - deltaTotalMomentum*deltaDirection.z(); |
---|
599 | G4double finalMomentum = std::sqrt(finalPx*finalPx+finalPy*finalPy+finalPz*finalPz); |
---|
600 | finalPx /= finalMomentum; |
---|
601 | finalPy /= finalMomentum; |
---|
602 | finalPz /= finalMomentum; |
---|
603 | |
---|
604 | G4ThreeVector direction; |
---|
605 | direction.set(finalPx,finalPy,finalPz); |
---|
606 | |
---|
607 | fParticleChangeForGamma->ProposeMomentumDirection(direction.unit()) ; |
---|
608 | */ |
---|
609 | fParticleChangeForGamma->ProposeMomentumDirection(primaryDirection); |
---|
610 | |
---|
611 | fParticleChangeForGamma->SetProposedKineticEnergy(k-bindingEnergy-secondaryKinetic); |
---|
612 | fParticleChangeForGamma->ProposeLocalEnergyDeposit(bindingEnergy); |
---|
613 | |
---|
614 | G4DynamicParticle* dp = new G4DynamicParticle (G4Electron::Electron(),deltaDirection,secondaryKinetic) ; |
---|
615 | fvect->push_back(dp); |
---|
616 | |
---|
617 | } |
---|
618 | |
---|
619 | // SI - not useful since low energy of model is 0 eV |
---|
620 | |
---|
621 | if (k < lowLim) |
---|
622 | { |
---|
623 | fParticleChangeForGamma->ProposeTrackStatus(fStopAndKill); |
---|
624 | fParticleChangeForGamma->ProposeLocalEnergyDeposit(k); |
---|
625 | } |
---|
626 | |
---|
627 | } |
---|
628 | |
---|
629 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
---|
630 | |
---|
631 | G4double G4DNARuddIonisationExtendedModel::RandomizeEjectedElectronEnergy(G4ParticleDefinition* particleDefinition, |
---|
632 | G4double k, |
---|
633 | G4int shell) |
---|
634 | { |
---|
635 | G4DNAGenericIonsManager *instance; |
---|
636 | instance = G4DNAGenericIonsManager::Instance(); |
---|
637 | |
---|
638 | //-- Fast sampling method ----- |
---|
639 | G4double proposed_energy; |
---|
640 | G4double random1; |
---|
641 | G4double value_sampling; |
---|
642 | G4double max1; |
---|
643 | |
---|
644 | do |
---|
645 | { |
---|
646 | proposed_energy = ProposedSampledEnergy(particleDefinition, k, shell); // Proposed energy by inverse function sampling |
---|
647 | |
---|
648 | max1=0.; |
---|
649 | |
---|
650 | for(G4double en=0.; en<20.; en+=1.) if(RejectionFunction(particleDefinition, k, en, shell) > max1) |
---|
651 | max1=RejectionFunction(particleDefinition, k, en, shell); |
---|
652 | |
---|
653 | random1 = G4UniformRand()*max1; |
---|
654 | |
---|
655 | value_sampling = RejectionFunction(particleDefinition, k, proposed_energy, shell); |
---|
656 | |
---|
657 | } while(random1 > value_sampling); |
---|
658 | |
---|
659 | return(proposed_energy); |
---|
660 | } |
---|
661 | |
---|
662 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
---|
663 | |
---|
664 | |
---|
665 | void G4DNARuddIonisationExtendedModel::RandomizeEjectedElectronDirection(G4ParticleDefinition* particleDefinition, |
---|
666 | G4double k, |
---|
667 | G4double secKinetic, |
---|
668 | G4double & cosTheta, |
---|
669 | G4double & phi, |
---|
670 | G4int shell ) |
---|
671 | { |
---|
672 | G4DNAGenericIonsManager *instance; |
---|
673 | instance = G4DNAGenericIonsManager::Instance(); |
---|
674 | |
---|
675 | G4double maxSecKinetic = 0.; |
---|
676 | G4double maximumEnergyTransfer = 0.; |
---|
677 | |
---|
678 | /* if (particleDefinition == G4Proton::ProtonDefinition() |
---|
679 | || particleDefinition == instance->GetIon("hydrogen")) |
---|
680 | { |
---|
681 | if(k/MeV < 100.)maxSecKinetic = 4.* (electron_mass_c2 / proton_mass_c2) * k; |
---|
682 | else { |
---|
683 | G4double beta2 = 1.-(1.+k*); |
---|
684 | maxSecKinetic = |
---|
685 | } |
---|
686 | } |
---|
687 | |
---|
688 | if (particleDefinition == instance->GetIon("helium") |
---|
689 | || particleDefinition == instance->GetIon("alpha+") |
---|
690 | || particleDefinition == instance->GetIon("alpha++")) |
---|
691 | { |
---|
692 | maxSecKinetic = 4.* (0.511 / 3728) * k; |
---|
693 | } |
---|
694 | |
---|
695 | if (particleDefinition == G4Carbon::Carbon()) |
---|
696 | { |
---|
697 | maxSecKinetic = 4.* (electron_mass_c2 / proton_mass_c2) * k / 12.; |
---|
698 | }*/ |
---|
699 | |
---|
700 | // ZF. generalized & relativistic version |
---|
701 | |
---|
702 | if( (k/MeV)/(particleDefinition->GetPDGMass()/MeV) <= 0.1 ) |
---|
703 | { |
---|
704 | maximumEnergyTransfer= 4.* (electron_mass_c2 / particleDefinition->GetPDGMass()) * k; |
---|
705 | maximumEnergyTransfer+=waterStructure.IonisationEnergy(shell); |
---|
706 | } |
---|
707 | else |
---|
708 | { |
---|
709 | G4double approx_nuc_number = particleDefinition->GetPDGMass() / proton_mass_c2; |
---|
710 | G4double en_per_nucleon = k/approx_nuc_number; |
---|
711 | G4double beta2 = 1. - 1./pow( (1.+(en_per_nucleon/electron_mass_c2)*(electron_mass_c2/proton_mass_c2)), 2.); |
---|
712 | G4double gamma = 1./sqrt(1.-beta2); |
---|
713 | maximumEnergyTransfer = 2.*electron_mass_c2*(gamma*gamma-1.)/(1.+2.*gamma*(electron_mass_c2/particleDefinition->GetPDGMass())+pow(electron_mass_c2/particleDefinition->GetPDGMass(), 2.) ); |
---|
714 | maximumEnergyTransfer+=waterStructure.IonisationEnergy(shell); |
---|
715 | } |
---|
716 | |
---|
717 | maxSecKinetic = maximumEnergyTransfer-waterStructure.IonisationEnergy(shell); |
---|
718 | |
---|
719 | phi = twopi * G4UniformRand(); |
---|
720 | |
---|
721 | if (secKinetic>100*eV) cosTheta = std::sqrt(secKinetic / maxSecKinetic); |
---|
722 | else cosTheta = (2.*G4UniformRand())-1.; |
---|
723 | |
---|
724 | } |
---|
725 | |
---|
726 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
---|
727 | |
---|
728 | G4double G4DNARuddIonisationExtendedModel::RejectionFunction(G4ParticleDefinition* particleDefinition, |
---|
729 | G4double k, |
---|
730 | G4double proposed_ws, |
---|
731 | G4int ionizationLevelIndex) |
---|
732 | { |
---|
733 | const G4int j=ionizationLevelIndex; |
---|
734 | G4double Bj_energy, alphaConst; |
---|
735 | G4double Ry = 13.6*eV; |
---|
736 | const G4double Gj[5] = {0.99, 1.11, 1.11, 0.52, 1.}; |
---|
737 | |
---|
738 | // const G4double Bj[5] = {12.61*eV, 14.73*eV, 18.55*eV, 32.20*eV, 539.7*eV}; //Ding Paper |
---|
739 | |
---|
740 | // Following values provided by M. Dingfelder (priv. comm) |
---|
741 | const G4double Bj[5] = {12.60*eV, 14.70*eV, 18.40*eV, 32.20*eV, 540*eV}; |
---|
742 | |
---|
743 | if (j == 4) |
---|
744 | { |
---|
745 | alphaConst = 0.66; |
---|
746 | //---Note that the following (j==4) cases are provided by M. Dingfelder (priv. comm) |
---|
747 | Bj_energy = waterStructure.IonisationEnergy(ionizationLevelIndex); |
---|
748 | //--- |
---|
749 | } |
---|
750 | else |
---|
751 | { |
---|
752 | alphaConst = 0.64; |
---|
753 | Bj_energy = Bj[ionizationLevelIndex]; |
---|
754 | } |
---|
755 | |
---|
756 | G4double energyTransfer = proposed_ws + Bj_energy; |
---|
757 | proposed_ws/=Bj_energy; |
---|
758 | G4DNAGenericIonsManager *instance; |
---|
759 | instance = G4DNAGenericIonsManager::Instance(); |
---|
760 | G4double tau = 0.; |
---|
761 | G4double A_ion = 0.; |
---|
762 | tau = (electron_mass_c2 / particleDefinition->GetPDGMass()) * k; |
---|
763 | A_ion = particleDefinition->GetAtomicMass(); |
---|
764 | |
---|
765 | G4double v2; |
---|
766 | G4double beta2; |
---|
767 | |
---|
768 | if((tau/MeV)<5.447761194e-2) |
---|
769 | { |
---|
770 | v2 = tau / Bj_energy; |
---|
771 | beta2 = 2.*tau / electron_mass_c2; |
---|
772 | } |
---|
773 | // Relativistic |
---|
774 | else |
---|
775 | { |
---|
776 | v2 = (electron_mass_c2 / 2. / Bj_energy) * (1. - (1./ pow( (1.+ (tau/electron_mass_c2)),2) )); |
---|
777 | beta2 =1. - 1./(1.+ (tau/electron_mass_c2/A_ion))/(1.+ (tau/electron_mass_c2/A_ion)); |
---|
778 | } |
---|
779 | |
---|
780 | G4double v = std::sqrt(v2); |
---|
781 | G4double wc = 4.*v2 - 2.*v - (Ry/(4.*Bj_energy)); |
---|
782 | G4double rejection_term = 1.+std::exp(alphaConst*(proposed_ws - wc) / v); |
---|
783 | rejection_term = (1./rejection_term)*CorrectionFactor(particleDefinition,k,ionizationLevelIndex) * Gj[j]; |
---|
784 | //* (S/Bj_energy) ; Not needed anymore |
---|
785 | |
---|
786 | |
---|
787 | if ( particleDefinition == G4Proton::ProtonDefinition() |
---|
788 | || particleDefinition == instance->GetIon("hydrogen") |
---|
789 | ) |
---|
790 | { |
---|
791 | return(rejection_term); |
---|
792 | } |
---|
793 | |
---|
794 | if(particleDefinition->GetAtomicMass() > 4) // anything above Helium |
---|
795 | { |
---|
796 | G4double Z = particleDefinition->GetAtomicNumber(); |
---|
797 | G4double x = 100.*std::sqrt(beta2)/std::pow(Z,(2./3.)); |
---|
798 | G4double Zeffion = Z*(1.-std::exp(-1.316*x+0.112*x*x-0.0650*x*x*x)); |
---|
799 | rejection_term*=Zeffion*Zeffion; |
---|
800 | } |
---|
801 | |
---|
802 | if (particleDefinition == instance->GetIon("alpha++") ) |
---|
803 | { |
---|
804 | slaterEffectiveCharge[0]=0.; |
---|
805 | slaterEffectiveCharge[1]=0.; |
---|
806 | slaterEffectiveCharge[2]=0.; |
---|
807 | sCoefficient[0]=0.; |
---|
808 | sCoefficient[1]=0.; |
---|
809 | sCoefficient[2]=0.; |
---|
810 | } |
---|
811 | |
---|
812 | if (particleDefinition == instance->GetIon("alpha+") ) |
---|
813 | { |
---|
814 | slaterEffectiveCharge[0]=2.0; |
---|
815 | // The following values are provided by M. Dingfelder (priv. comm) |
---|
816 | slaterEffectiveCharge[1]=2.0; |
---|
817 | slaterEffectiveCharge[2]=2.0; |
---|
818 | // |
---|
819 | sCoefficient[0]=0.7; |
---|
820 | sCoefficient[1]=0.15; |
---|
821 | sCoefficient[2]=0.15; |
---|
822 | } |
---|
823 | |
---|
824 | if (particleDefinition == instance->GetIon("helium") ) |
---|
825 | { |
---|
826 | slaterEffectiveCharge[0]=1.7; |
---|
827 | slaterEffectiveCharge[1]=1.15; |
---|
828 | slaterEffectiveCharge[2]=1.15; |
---|
829 | sCoefficient[0]=0.5; |
---|
830 | sCoefficient[1]=0.25; |
---|
831 | sCoefficient[2]=0.25; |
---|
832 | } |
---|
833 | |
---|
834 | if ( particleDefinition == instance->GetIon("helium") |
---|
835 | || particleDefinition == instance->GetIon("alpha+") |
---|
836 | || particleDefinition == instance->GetIon("alpha++") |
---|
837 | ) |
---|
838 | { |
---|
839 | |
---|
840 | G4double zEff = particleDefinition->GetPDGCharge() / eplus + particleDefinition->GetLeptonNumber(); |
---|
841 | |
---|
842 | zEff -= ( sCoefficient[0] * S_1s(k, energyTransfer, slaterEffectiveCharge[0], 1.) + |
---|
843 | sCoefficient[1] * S_2s(k, energyTransfer, slaterEffectiveCharge[1], 2.) + |
---|
844 | sCoefficient[2] * S_2p(k, energyTransfer, slaterEffectiveCharge[2], 2.) ); |
---|
845 | |
---|
846 | rejection_term*= zEff * zEff; |
---|
847 | } |
---|
848 | |
---|
849 | return (rejection_term); |
---|
850 | } |
---|
851 | |
---|
852 | |
---|
853 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
---|
854 | |
---|
855 | |
---|
856 | G4double G4DNARuddIonisationExtendedModel::ProposedSampledEnergy(G4ParticleDefinition* particle, |
---|
857 | G4double k, |
---|
858 | G4int ionizationLevelIndex) |
---|
859 | { |
---|
860 | |
---|
861 | const G4int j=ionizationLevelIndex; |
---|
862 | |
---|
863 | G4double A1, B1, C1, D1, E1, A2, B2, C2, D2, alphaConst ; |
---|
864 | G4double Bj_energy; |
---|
865 | |
---|
866 | // const G4double Bj[5] = {12.61*eV, 14.73*eV, 18.55*eV, 32.20*eV, 539.7*eV}; //Ding Paper |
---|
867 | // Following values provided by M. Dingfelder (priv. comm) |
---|
868 | |
---|
869 | const G4double Bj[5] = {12.60*eV, 14.70*eV, 18.40*eV, 32.20*eV, 540*eV}; |
---|
870 | |
---|
871 | if (j == 4) |
---|
872 | { |
---|
873 | //Data For Liquid Water K SHELL from Dingfelder (Protons in Water) |
---|
874 | A1 = 1.25; |
---|
875 | B1 = 0.5; |
---|
876 | C1 = 1.00; |
---|
877 | D1 = 1.00; |
---|
878 | E1 = 3.00; |
---|
879 | A2 = 1.10; |
---|
880 | B2 = 1.30; |
---|
881 | C2 = 1.00; |
---|
882 | D2 = 0.00; |
---|
883 | alphaConst = 0.66; |
---|
884 | //---Note that the following (j==4) cases are provided by M. Dingfelder (priv. comm) |
---|
885 | Bj_energy = waterStructure.IonisationEnergy(ionizationLevelIndex); |
---|
886 | //--- |
---|
887 | } |
---|
888 | else |
---|
889 | { |
---|
890 | //Data For Liquid Water from Dingfelder (Protons in Water) |
---|
891 | A1 = 1.02; |
---|
892 | B1 = 82.0; |
---|
893 | C1 = 0.45; |
---|
894 | D1 = -0.80; |
---|
895 | E1 = 0.38; |
---|
896 | A2 = 1.07; |
---|
897 | //B2 = 14.6; From Ding Paper |
---|
898 | // Value provided by M. Dingfelder (priv. comm) |
---|
899 | B2 = 11.6; |
---|
900 | // |
---|
901 | C2 = 0.60; |
---|
902 | D2 = 0.04; |
---|
903 | alphaConst = 0.64; |
---|
904 | |
---|
905 | Bj_energy = Bj[ionizationLevelIndex]; |
---|
906 | } |
---|
907 | |
---|
908 | G4double tau = 0.; |
---|
909 | G4double A_ion = 0.; |
---|
910 | G4DNAGenericIonsManager* instance; |
---|
911 | instance = G4DNAGenericIonsManager::Instance(); |
---|
912 | tau = (electron_mass_c2 / particle->GetPDGMass()) * k; |
---|
913 | |
---|
914 | A_ion = particle->GetAtomicMass(); |
---|
915 | |
---|
916 | G4double v2; |
---|
917 | G4double beta2; |
---|
918 | if((tau/MeV)<5.447761194e-2) |
---|
919 | { |
---|
920 | v2 = tau / Bj_energy; |
---|
921 | beta2 = 2.*tau / electron_mass_c2; |
---|
922 | } |
---|
923 | // Relativistic |
---|
924 | else |
---|
925 | { |
---|
926 | v2 = (electron_mass_c2 / 2. / Bj_energy) * (1. - (1./ pow( (1.+ (tau/electron_mass_c2)),2) )); |
---|
927 | beta2 =1. - 1./(1.+ (tau/electron_mass_c2/A_ion))/(1.+ (tau/electron_mass_c2/A_ion)); |
---|
928 | } |
---|
929 | |
---|
930 | G4double v = std::sqrt(v2); |
---|
931 | //G4double wc = 4.*v2 - 2.*v - (Ry/(4.*Bj_energy)); |
---|
932 | G4double L1 = (C1* std::pow(v,(D1))) / (1.+ E1*std::pow(v, (D1+4.))); |
---|
933 | G4double L2 = C2*std::pow(v,(D2)); |
---|
934 | G4double H1 = (A1*std::log(1.+v2)) / (v2+(B1/v2)); |
---|
935 | G4double H2 = (A2/v2) + (B2/(v2*v2)); |
---|
936 | G4double F1 = L1+H1; |
---|
937 | G4double F2 = (L2*H2)/(L2+H2); |
---|
938 | |
---|
939 | // ZF. generalized & relativistic version |
---|
940 | G4double maximumEnergy; |
---|
941 | |
---|
942 | //---- maximum kinetic energy , non relativistic ------ |
---|
943 | if( (k/MeV)/(particle->GetPDGMass()/MeV) <= 0.1 ) |
---|
944 | { |
---|
945 | maximumEnergy = 4.* (electron_mass_c2 / particle->GetPDGMass()) * k; |
---|
946 | } |
---|
947 | //---- relativistic ----------------------------------- |
---|
948 | else |
---|
949 | { |
---|
950 | G4double gamma = 1./sqrt(1.-beta2); |
---|
951 | maximumEnergy = 2.*electron_mass_c2*(gamma*gamma-1.)/ |
---|
952 | (1.+2.*gamma*(electron_mass_c2/particle->GetPDGMass())+pow(electron_mass_c2/particle->GetPDGMass(), 2.) ); |
---|
953 | } |
---|
954 | |
---|
955 | //either it is transfered energy or secondary electron energy ... |
---|
956 | //maximumEnergy-=Bj_energy; |
---|
957 | |
---|
958 | //----------------------------------------------------- |
---|
959 | G4double wmax = maximumEnergy/Bj_energy; |
---|
960 | G4double c = wmax*(F2*wmax+F1*(2.+wmax))/(2.*(1.+wmax)*(1.+wmax)); |
---|
961 | c=1./c; //!!!!!!!!!!! manual calculus leads to c=1/c |
---|
962 | G4double randVal = G4UniformRand(); |
---|
963 | G4double proposed_ws = F1*F1*c*c + 2.*F2*c*randVal - 2.*F1*c*randVal; |
---|
964 | proposed_ws = -F1*c+2.*randVal+std::sqrt(proposed_ws); |
---|
965 | // proposed_ws = -F1*c+2.*randVal-std::sqrt(proposed_ws); |
---|
966 | proposed_ws/= ( F1*c + F2*c - 2.*randVal ); |
---|
967 | proposed_ws*=Bj_energy; |
---|
968 | |
---|
969 | return(proposed_ws); |
---|
970 | |
---|
971 | } |
---|
972 | |
---|
973 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
---|
974 | |
---|
975 | G4double G4DNARuddIonisationExtendedModel::S_1s(G4double t, |
---|
976 | G4double energyTransferred, |
---|
977 | G4double slaterEffectiveChg, |
---|
978 | G4double shellNumber) |
---|
979 | { |
---|
980 | // 1 - e^(-2r) * ( 1 + 2 r + 2 r^2) |
---|
981 | // Dingfelder, in Chattanooga 2005 proceedings, formula (7) |
---|
982 | |
---|
983 | G4double r = R(t, energyTransferred, slaterEffectiveChg, shellNumber); |
---|
984 | G4double value = 1. - std::exp(-2 * r) * ( ( 2. * r + 2. ) * r + 1. ); |
---|
985 | |
---|
986 | return value; |
---|
987 | } |
---|
988 | |
---|
989 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
---|
990 | |
---|
991 | G4double G4DNARuddIonisationExtendedModel::S_2s(G4double t, |
---|
992 | G4double energyTransferred, |
---|
993 | G4double slaterEffectiveChg, |
---|
994 | G4double shellNumber) |
---|
995 | { |
---|
996 | // 1 - e^(-2 r) * ( 1 + 2 r + 2 r^2 + 2 r^4) |
---|
997 | // Dingfelder, in Chattanooga 2005 proceedings, formula (8) |
---|
998 | |
---|
999 | G4double r = R(t, energyTransferred, slaterEffectiveChg, shellNumber); |
---|
1000 | G4double value = 1. - std::exp(-2 * r) * (((2. * r * r + 2.) * r + 2.) * r + 1.); |
---|
1001 | |
---|
1002 | return value; |
---|
1003 | |
---|
1004 | } |
---|
1005 | |
---|
1006 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
---|
1007 | |
---|
1008 | G4double G4DNARuddIonisationExtendedModel::S_2p(G4double t, |
---|
1009 | G4double energyTransferred, |
---|
1010 | G4double slaterEffectiveChg, |
---|
1011 | G4double shellNumber) |
---|
1012 | { |
---|
1013 | // 1 - e^(-2 r) * ( 1 + 2 r + 2 r^2 + 4/3 r^3 + 2/3 r^4) |
---|
1014 | // Dingfelder, in Chattanooga 2005 proceedings, formula (9) |
---|
1015 | |
---|
1016 | G4double r = R(t, energyTransferred, slaterEffectiveChg, shellNumber); |
---|
1017 | G4double value = 1. - std::exp(-2 * r) * (((( 2./3. * r + 4./3.) * r + 2.) * r + 2.) * r + 1.); |
---|
1018 | |
---|
1019 | return value; |
---|
1020 | } |
---|
1021 | |
---|
1022 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
---|
1023 | |
---|
1024 | G4double G4DNARuddIonisationExtendedModel::R(G4double t, |
---|
1025 | G4double energyTransferred, |
---|
1026 | G4double slaterEffectiveChg, |
---|
1027 | G4double shellNumber) |
---|
1028 | { |
---|
1029 | // tElectron = m_electron / m_alpha * t |
---|
1030 | // Dingfelder, in Chattanooga 2005 proceedings, p 4 |
---|
1031 | |
---|
1032 | G4double tElectron = 0.511/3728. * t; |
---|
1033 | // The following values are provided by M. Dingfelder (priv. comm) |
---|
1034 | G4double H = 2.*13.60569172 * eV; |
---|
1035 | G4double value = std::sqrt ( 2. * tElectron / H ) / ( energyTransferred / H ) * (slaterEffectiveChg/shellNumber); |
---|
1036 | |
---|
1037 | return value; |
---|
1038 | } |
---|
1039 | |
---|
1040 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
---|
1041 | |
---|
1042 | G4double G4DNARuddIonisationExtendedModel::CorrectionFactor(G4ParticleDefinition* particleDefinition, G4double k, G4int shell) |
---|
1043 | { |
---|
1044 | // ZF Shortened |
---|
1045 | G4DNAGenericIonsManager *instance; |
---|
1046 | instance = G4DNAGenericIonsManager::Instance(); |
---|
1047 | |
---|
1048 | if (particleDefinition == instance->GetIon("hydrogen") && shell < 4) |
---|
1049 | { |
---|
1050 | G4double value = (std::log10(k/eV)-4.2)/0.5; |
---|
1051 | // The following values are provided by M. Dingfelder (priv. comm) |
---|
1052 | return((0.6/(1+std::exp(value))) + 0.9); |
---|
1053 | } |
---|
1054 | else |
---|
1055 | { |
---|
1056 | return(1.); |
---|
1057 | } |
---|
1058 | } |
---|
1059 | |
---|
1060 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
---|
1061 | |
---|
1062 | G4int G4DNARuddIonisationExtendedModel::RandomSelect(G4double k, const G4String& particle ) |
---|
1063 | { |
---|
1064 | |
---|
1065 | G4DNAGenericIonsManager *instance; |
---|
1066 | instance = G4DNAGenericIonsManager::Instance(); |
---|
1067 | |
---|
1068 | G4int level = 0; |
---|
1069 | |
---|
1070 | // Retrieve data table corresponding to the current particle type |
---|
1071 | |
---|
1072 | std::map< G4String,G4DNACrossSectionDataSet*,std::less<G4String> >::iterator pos; |
---|
1073 | pos = tableData.find(particle); |
---|
1074 | |
---|
1075 | if (pos != tableData.end()) |
---|
1076 | { |
---|
1077 | G4DNACrossSectionDataSet* table = pos->second; |
---|
1078 | |
---|
1079 | if (table != 0) |
---|
1080 | { |
---|
1081 | G4double* valuesBuffer = new G4double[table->NumberOfComponents()]; |
---|
1082 | |
---|
1083 | const size_t n(table->NumberOfComponents()); |
---|
1084 | size_t i(n); |
---|
1085 | G4double value = 0.; |
---|
1086 | |
---|
1087 | while (i>0) |
---|
1088 | { |
---|
1089 | i--; |
---|
1090 | valuesBuffer[i] = table->GetComponent(i)->FindValue(k); |
---|
1091 | |
---|
1092 | value += valuesBuffer[i]; |
---|
1093 | } |
---|
1094 | |
---|
1095 | value *= G4UniformRand(); |
---|
1096 | |
---|
1097 | i = n; |
---|
1098 | |
---|
1099 | while (i > 0) |
---|
1100 | { |
---|
1101 | i--; |
---|
1102 | |
---|
1103 | if (valuesBuffer[i] > value) |
---|
1104 | { |
---|
1105 | delete[] valuesBuffer; |
---|
1106 | return i; |
---|
1107 | } |
---|
1108 | value -= valuesBuffer[i]; |
---|
1109 | } |
---|
1110 | |
---|
1111 | if (valuesBuffer) delete[] valuesBuffer; |
---|
1112 | |
---|
1113 | } |
---|
1114 | } |
---|
1115 | else |
---|
1116 | { |
---|
1117 | G4Exception("G4DNARuddIonisationExtendedModel::RandomSelect: attempting to calculate cross section for wrong particle"); |
---|
1118 | } |
---|
1119 | |
---|
1120 | return level; |
---|
1121 | } |
---|
1122 | |
---|
1123 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
---|
1124 | |
---|
1125 | G4double G4DNARuddIonisationExtendedModel::PartialCrossSection(const G4Track& track ) |
---|
1126 | { |
---|
1127 | G4double sigma = 0.; |
---|
1128 | |
---|
1129 | const G4DynamicParticle* particle = track.GetDynamicParticle(); |
---|
1130 | G4double k = particle->GetKineticEnergy(); |
---|
1131 | |
---|
1132 | G4double lowLim = 0; |
---|
1133 | G4double highLim = 0; |
---|
1134 | |
---|
1135 | const G4String& particleName = particle->GetDefinition()->GetParticleName(); |
---|
1136 | |
---|
1137 | std::map< G4String,G4double,std::less<G4String> >::iterator pos1; |
---|
1138 | pos1 = lowEnergyLimit.find(particleName); |
---|
1139 | |
---|
1140 | if (pos1 != lowEnergyLimit.end()) |
---|
1141 | { |
---|
1142 | lowLim = pos1->second; |
---|
1143 | } |
---|
1144 | |
---|
1145 | std::map< G4String,G4double,std::less<G4String> >::iterator pos2; |
---|
1146 | pos2 = highEnergyLimit.find(particleName); |
---|
1147 | |
---|
1148 | if (pos2 != highEnergyLimit.end()) |
---|
1149 | { |
---|
1150 | highLim = pos2->second; |
---|
1151 | } |
---|
1152 | |
---|
1153 | if (k >= lowLim && k <= highLim) |
---|
1154 | { |
---|
1155 | std::map< G4String,G4DNACrossSectionDataSet*,std::less<G4String> >::iterator pos; |
---|
1156 | pos = tableData.find(particleName); |
---|
1157 | |
---|
1158 | if (pos != tableData.end()) |
---|
1159 | { |
---|
1160 | G4DNACrossSectionDataSet* table = pos->second; |
---|
1161 | if (table != 0) |
---|
1162 | { |
---|
1163 | sigma = table->FindValue(k); |
---|
1164 | } |
---|
1165 | } |
---|
1166 | else |
---|
1167 | { |
---|
1168 | G4Exception("G4DNARuddIonisationExtendedModel::PartialCrossSection: attempting to calculate cross section for wrong particle"); |
---|
1169 | } |
---|
1170 | } |
---|
1171 | |
---|
1172 | return sigma; |
---|
1173 | } |
---|
1174 | |
---|
1175 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
---|
1176 | |
---|
1177 | G4double G4DNARuddIonisationExtendedModel::Sum(G4double /* energy */, const G4String& /* particle */) |
---|
1178 | { |
---|
1179 | return 0; |
---|
1180 | } |
---|
1181 | |
---|