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2 | // ******************************************************************** |
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3 | // * License and Disclaimer * |
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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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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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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: G4CrossSectionIonisationRuddPartial.cc,v 1.4 2008/07/14 20:47:34 sincerti Exp $ |
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27 | // GEANT4 tag $Name: geant4-09-02 $ |
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28 | |
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29 | #include "G4CrossSectionIonisationRuddPartial.hh" |
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30 | |
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31 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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32 | |
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33 | G4CrossSectionIonisationRuddPartial::G4CrossSectionIonisationRuddPartial() |
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34 | { |
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35 | lowEnergyLimitDefault = 100 * eV; |
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36 | highEnergyLimitDefault = 100 * MeV; |
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37 | |
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38 | G4String fileProton("dna/sigma_ionisation_p_rudd"); |
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39 | G4String fileHydrogen("dna/sigma_ionisation_h_rudd"); |
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40 | G4String fileAlphaPlusPlus("dna/sigma_ionisation_alphaplusplus_rudd"); |
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41 | G4String fileAlphaPlus("dna/sigma_ionisation_alphaplus_rudd"); |
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42 | G4String fileHelium("dna/sigma_ionisation_he_rudd"); |
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43 | |
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44 | G4DNAGenericIonsManager *instance; |
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45 | instance = G4DNAGenericIonsManager::Instance(); |
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46 | G4ParticleDefinition* protonDef = G4Proton::ProtonDefinition(); |
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47 | G4ParticleDefinition* hydrogenDef = instance->GetIon("hydrogen"); |
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48 | G4ParticleDefinition* alphaPlusPlusDef = instance->GetIon("alpha++"); |
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49 | G4ParticleDefinition* alphaPlusDef = instance->GetIon("alpha+"); |
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50 | G4ParticleDefinition* heliumDef = instance->GetIon("helium"); |
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51 | |
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52 | G4String proton; |
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53 | G4String hydrogen; |
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54 | G4String alphaPlusPlus; |
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55 | G4String alphaPlus; |
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56 | G4String helium; |
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57 | |
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58 | G4double scaleFactor = 1 * m*m; |
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59 | |
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60 | if (protonDef != 0) |
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61 | { |
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62 | proton = protonDef->GetParticleName(); |
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63 | tableFile[proton] = fileProton; |
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64 | |
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65 | lowEnergyLimit[proton] = 100. * eV; |
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66 | highEnergyLimit[proton] = 500. * keV; |
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67 | |
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68 | G4DNACrossSectionDataSet* tableProton = new G4DNACrossSectionDataSet(new G4LogLogInterpolation, eV,scaleFactor ); |
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69 | tableProton->LoadData(fileProton); |
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70 | |
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71 | tableData[proton] = tableProton; |
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72 | } |
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73 | else |
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74 | { |
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75 | G4Exception("G4CrossSectionIonisationRudd Constructor: proton is not defined"); |
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76 | } |
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77 | |
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78 | if (hydrogenDef != 0) |
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79 | { |
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80 | hydrogen = hydrogenDef->GetParticleName(); |
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81 | tableFile[hydrogen] = fileHydrogen; |
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82 | |
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83 | lowEnergyLimit[hydrogen] = 100. * eV; |
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84 | highEnergyLimit[hydrogen] = 100. * MeV; |
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85 | |
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86 | G4DNACrossSectionDataSet* tableHydrogen = new G4DNACrossSectionDataSet(new G4LogLogInterpolation, eV,scaleFactor ); |
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87 | tableHydrogen->LoadData(fileHydrogen); |
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88 | |
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89 | tableData[hydrogen] = tableHydrogen; |
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90 | } |
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91 | else |
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92 | { |
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93 | G4Exception("G4CrossSectionIonisationRudd Constructor: hydrogen is not defined"); |
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94 | } |
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95 | |
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96 | if (alphaPlusPlusDef != 0) |
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97 | { |
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98 | alphaPlusPlus = alphaPlusPlusDef->GetParticleName(); |
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99 | tableFile[alphaPlusPlus] = fileAlphaPlusPlus; |
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100 | |
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101 | lowEnergyLimit[alphaPlusPlus] = 1. * keV; |
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102 | highEnergyLimit[alphaPlusPlus] = 10. * MeV; |
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103 | |
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104 | G4DNACrossSectionDataSet* tableAlphaPlusPlus = new G4DNACrossSectionDataSet(new G4LogLogInterpolation, eV,scaleFactor ); |
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105 | tableAlphaPlusPlus->LoadData(fileAlphaPlusPlus); |
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106 | |
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107 | tableData[alphaPlusPlus] = tableAlphaPlusPlus; |
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108 | } |
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109 | else |
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110 | { |
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111 | G4Exception("G4CrossSectionIonisationRudd Constructor: alphaPlusPlus is not defined"); |
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112 | } |
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113 | |
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114 | if (alphaPlusDef != 0) |
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115 | { |
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116 | alphaPlus = alphaPlusDef->GetParticleName(); |
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117 | tableFile[alphaPlus] = fileAlphaPlus; |
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118 | |
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119 | lowEnergyLimit[alphaPlus] = 1. * keV; |
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120 | highEnergyLimit[alphaPlus] = 10. * MeV; |
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121 | |
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122 | G4DNACrossSectionDataSet* tableAlphaPlus = new G4DNACrossSectionDataSet(new G4LogLogInterpolation, eV,scaleFactor ); |
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123 | tableAlphaPlus->LoadData(fileAlphaPlus); |
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124 | |
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125 | tableData[alphaPlus] = tableAlphaPlus; |
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126 | } |
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127 | else |
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128 | { |
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129 | G4Exception("G4CrossSectionIonisationRudd Constructor: alphaPlus is not defined"); |
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130 | } |
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131 | |
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132 | if (heliumDef != 0) |
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133 | { |
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134 | helium = heliumDef->GetParticleName(); |
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135 | tableFile[helium] = fileHelium; |
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136 | |
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137 | lowEnergyLimit[helium] = 1. * keV; |
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138 | highEnergyLimit[helium] = 10. * MeV; |
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139 | |
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140 | G4DNACrossSectionDataSet* tableHelium = new G4DNACrossSectionDataSet(new G4LogLogInterpolation, eV,scaleFactor ); |
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141 | tableHelium->LoadData(fileHelium); |
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142 | |
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143 | tableData[helium] = tableHelium; |
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144 | } |
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145 | else |
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146 | { |
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147 | G4Exception("G4CrossSectionIonisationRudd Constructor: helium is not defined"); |
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148 | } |
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149 | } |
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150 | |
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151 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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152 | |
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153 | G4CrossSectionIonisationRuddPartial::~G4CrossSectionIonisationRuddPartial() |
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154 | { |
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155 | std::map< G4String,G4DNACrossSectionDataSet*,std::less<G4String> >::iterator pos; |
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156 | for (pos = tableData.begin(); pos != tableData.end(); ++pos) |
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157 | { |
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158 | G4DNACrossSectionDataSet* table = pos->second; |
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159 | delete table; |
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160 | } |
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161 | } |
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162 | |
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163 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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164 | |
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165 | G4int G4CrossSectionIonisationRuddPartial::RandomSelect(G4double k, const G4String& particle ) |
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166 | { |
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167 | |
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168 | // BEGIN PART 1/2 OF ELECTRON CORRECTION |
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169 | |
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170 | // add ONE or TWO electron-water excitation for alpha+ and helium |
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171 | |
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172 | G4DNAGenericIonsManager *instance; |
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173 | instance = G4DNAGenericIonsManager::Instance(); |
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174 | G4double kElectron(0); |
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175 | G4double electronComponent(0); |
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176 | G4DNACrossSectionDataSet * electronDataset = new G4DNACrossSectionDataSet (new G4LogLogInterpolation, eV, (1./3.343e22)*m*m); |
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177 | |
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178 | if ( particle == instance->GetIon("alpha+")->GetParticleName() |
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179 | || |
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180 | particle == instance->GetIon("helium")->GetParticleName() |
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181 | ) |
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182 | { |
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183 | electronDataset->LoadData("dna/sigma_ionisation_e_born"); |
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184 | |
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185 | kElectron = k * 0.511/3728; |
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186 | |
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187 | electronComponent = electronDataset->FindValue(kElectron); |
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188 | |
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189 | } |
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190 | |
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191 | delete electronDataset; |
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192 | |
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193 | // END PART 1/2 OF ELECTRON CORRECTION |
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194 | |
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195 | G4int level = 0; |
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196 | |
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197 | // Retrieve data table corresponding to the current particle type |
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198 | |
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199 | std::map< G4String,G4DNACrossSectionDataSet*,std::less<G4String> >::iterator pos; |
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200 | pos = tableData.find(particle); |
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201 | |
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202 | if (pos != tableData.end()) |
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203 | { |
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204 | G4DNACrossSectionDataSet* table = pos->second; |
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205 | |
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206 | if (table != 0) |
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207 | { |
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208 | G4double* valuesBuffer = new G4double[table->NumberOfComponents()]; |
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209 | |
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210 | const size_t n(table->NumberOfComponents()); |
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211 | size_t i(n); |
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212 | G4double value = 0.; |
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213 | |
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214 | while (i>0) |
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215 | { |
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216 | i--; |
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217 | valuesBuffer[i] = table->GetComponent(i)->FindValue(k); |
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218 | |
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219 | // BEGIN PART 2/2 OF ELECTRON CORRECTION |
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220 | |
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221 | if (particle == instance->GetIon("alpha+")->GetParticleName()) |
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222 | {valuesBuffer[i]=table->GetComponent(i)->FindValue(k) + electronComponent; } |
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223 | |
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224 | if (particle == instance->GetIon("helium")->GetParticleName()) |
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225 | {valuesBuffer[i]=table->GetComponent(i)->FindValue(k) + 2*electronComponent; } |
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226 | |
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227 | // BEGIN PART 2/2 OF ELECTRON CORRECTION |
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228 | |
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229 | value += valuesBuffer[i]; |
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230 | } |
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231 | |
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232 | value *= G4UniformRand(); |
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233 | |
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234 | i = n; |
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235 | |
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236 | while (i > 0) |
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237 | { |
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238 | i--; |
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239 | |
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240 | if (valuesBuffer[i] > value) |
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241 | { |
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242 | delete[] valuesBuffer; |
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243 | return i; |
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244 | } |
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245 | value -= valuesBuffer[i]; |
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246 | } |
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247 | |
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248 | if (valuesBuffer) delete[] valuesBuffer; |
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249 | |
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250 | } |
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251 | } |
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252 | else |
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253 | { |
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254 | G4Exception("G4CrossSectionIonisationRuddPartial: attempting to calculate cross section for wrong particle"); |
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255 | } |
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256 | |
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257 | return level; |
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258 | } |
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259 | |
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260 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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261 | |
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262 | G4double G4CrossSectionIonisationRuddPartial::CrossSection(const G4Track& track ) |
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263 | { |
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264 | G4double sigma = 0.; |
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265 | |
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266 | const G4DynamicParticle* particle = track.GetDynamicParticle(); |
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267 | G4double k = particle->GetKineticEnergy(); |
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268 | |
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269 | G4double lowLim = lowEnergyLimitDefault; |
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270 | G4double highLim = highEnergyLimitDefault; |
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271 | |
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272 | const G4String& particleName = particle->GetDefinition()->GetParticleName(); |
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273 | |
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274 | std::map< G4String,G4double,std::less<G4String> >::iterator pos1; |
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275 | pos1 = lowEnergyLimit.find(particleName); |
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276 | |
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277 | if (pos1 != lowEnergyLimit.end()) |
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278 | { |
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279 | lowLim = pos1->second; |
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280 | } |
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281 | |
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282 | std::map< G4String,G4double,std::less<G4String> >::iterator pos2; |
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283 | pos2 = highEnergyLimit.find(particleName); |
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284 | |
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285 | if (pos2 != highEnergyLimit.end()) |
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286 | { |
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287 | highLim = pos2->second; |
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288 | } |
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289 | |
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290 | if (k >= lowLim && k <= highLim) |
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291 | { |
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292 | std::map< G4String,G4DNACrossSectionDataSet*,std::less<G4String> >::iterator pos; |
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293 | pos = tableData.find(particleName); |
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294 | |
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295 | if (pos != tableData.end()) |
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296 | { |
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297 | G4DNACrossSectionDataSet* table = pos->second; |
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298 | if (table != 0) |
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299 | { |
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300 | sigma = table->FindValue(k); |
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301 | } |
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302 | } |
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303 | else |
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304 | { |
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305 | G4Exception("G4CrossSectionIonisationRuddPartial: attempting to calculate cross section for wrong particle"); |
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306 | } |
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307 | } |
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308 | |
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309 | return sigma; |
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310 | } |
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311 | |
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312 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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313 | |
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314 | G4double G4CrossSectionIonisationRuddPartial::Sum(G4double /* energy */, const G4String& /* particle */) |
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315 | { |
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316 | return 0; |
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317 | } |
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