1 | // |
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2 | // ******************************************************************** |
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3 | // * License and Disclaimer * |
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4 | // * * |
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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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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: G4EnergyLossForExtrapolator.cc,v 1.19 2009/07/09 17:04:55 vnivanch Exp $ |
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27 | // GEANT4 tag $Name: geant4-09-04-beta-01 $ |
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28 | // |
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29 | //--------------------------------------------------------------------------- |
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30 | // |
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31 | // ClassName: G4EnergyLossForExtrapolator |
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32 | // |
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33 | // Description: This class provide calculation of energy loss, fluctuation, |
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34 | // and msc angle |
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35 | // |
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36 | // Author: 09.12.04 V.Ivanchenko |
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37 | // |
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38 | // Modification: |
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39 | // 08-04-05 Rename Propogator -> Extrapolator (V.Ivanchenko) |
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40 | // 16-03-06 Add muon tables and fix bug in units (V.Ivanchenko) |
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41 | // 21-03-06 Add verbosity defined in the constructor and Initialisation |
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42 | // start only when first public method is called (V.Ivanchenko) |
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43 | // 03-05-06 Remove unused pointer G4Material* from number of methods (VI) |
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44 | // 12-05-06 SEt linLossLimit=0.001 (VI) |
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45 | // |
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46 | //---------------------------------------------------------------------------- |
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47 | // |
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48 | |
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49 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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50 | |
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51 | #include "G4EnergyLossForExtrapolator.hh" |
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52 | #include "G4PhysicsLogVector.hh" |
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53 | #include "G4ParticleDefinition.hh" |
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54 | #include "G4Material.hh" |
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55 | #include "G4MaterialCutsCouple.hh" |
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56 | #include "G4Electron.hh" |
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57 | #include "G4Positron.hh" |
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58 | #include "G4Proton.hh" |
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59 | #include "G4MuonPlus.hh" |
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60 | #include "G4MuonMinus.hh" |
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61 | #include "G4ParticleTable.hh" |
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62 | #include "G4LossTableBuilder.hh" |
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63 | #include "G4MollerBhabhaModel.hh" |
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64 | #include "G4BetheBlochModel.hh" |
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65 | #include "G4eBremsstrahlungModel.hh" |
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66 | #include "G4MuPairProductionModel.hh" |
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67 | #include "G4MuBremsstrahlungModel.hh" |
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68 | #include "G4ProductionCuts.hh" |
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69 | #include "G4LossTableManager.hh" |
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70 | #include "G4WentzelVIModel.hh" |
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71 | |
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72 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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73 | |
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74 | G4EnergyLossForExtrapolator::G4EnergyLossForExtrapolator(G4int verb) |
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75 | :maxEnergyTransfer(DBL_MAX),verbose(verb),isInitialised(false) |
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76 | {} |
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77 | |
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78 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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79 | |
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80 | G4EnergyLossForExtrapolator:: ~G4EnergyLossForExtrapolator() |
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81 | { |
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82 | for(G4int i=0; i<nmat; i++) {delete couples[i];} |
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83 | delete dedxElectron; |
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84 | delete dedxPositron; |
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85 | delete dedxProton; |
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86 | delete rangeElectron; |
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87 | delete rangePositron; |
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88 | delete rangeProton; |
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89 | delete invRangeElectron; |
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90 | delete invRangePositron; |
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91 | delete invRangeProton; |
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92 | delete mscElectron; |
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93 | delete cuts; |
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94 | } |
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95 | |
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96 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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97 | |
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98 | G4double G4EnergyLossForExtrapolator::EnergyAfterStep(G4double kinEnergy, |
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99 | G4double stepLength, |
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100 | const G4Material* mat, |
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101 | const G4ParticleDefinition* part) |
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102 | { |
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103 | if(!isInitialised) Initialisation(); |
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104 | G4double kinEnergyFinal = kinEnergy; |
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105 | if(SetupKinematics(part, mat, kinEnergy)) { |
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106 | G4double step = TrueStepLength(kinEnergy,stepLength,mat,part); |
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107 | G4double r = ComputeRange(kinEnergy,part); |
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108 | if(r <= step) { |
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109 | kinEnergyFinal = 0.0; |
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110 | } else if(step < linLossLimit*r) { |
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111 | kinEnergyFinal -= step*ComputeDEDX(kinEnergy,part); |
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112 | } else { |
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113 | G4double r1 = r - step; |
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114 | kinEnergyFinal = ComputeEnergy(r1,part); |
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115 | } |
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116 | } |
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117 | return kinEnergyFinal; |
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118 | } |
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119 | |
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120 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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121 | |
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122 | G4double G4EnergyLossForExtrapolator::EnergyBeforeStep(G4double kinEnergy, |
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123 | G4double stepLength, |
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124 | const G4Material* mat, |
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125 | const G4ParticleDefinition* part) |
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126 | { |
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127 | if(!isInitialised) Initialisation(); |
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128 | G4double kinEnergyFinal = kinEnergy; |
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129 | |
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130 | if(SetupKinematics(part, mat, kinEnergy)) { |
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131 | G4double step = TrueStepLength(kinEnergy,stepLength,mat,part); |
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132 | G4double r = ComputeRange(kinEnergy,part); |
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133 | |
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134 | if(step < linLossLimit*r) { |
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135 | kinEnergyFinal += step*ComputeDEDX(kinEnergy,part); |
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136 | } else { |
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137 | G4double r1 = r + step; |
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138 | kinEnergyFinal = ComputeEnergy(r1,part); |
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139 | } |
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140 | } |
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141 | return kinEnergyFinal; |
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142 | } |
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143 | |
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144 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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145 | |
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146 | G4double G4EnergyLossForExtrapolator::TrueStepLength(G4double kinEnergy, |
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147 | G4double stepLength, |
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148 | const G4Material* mat, |
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149 | const G4ParticleDefinition* part) |
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150 | { |
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151 | G4double res = stepLength; |
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152 | if(!isInitialised) Initialisation(); |
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153 | if(SetupKinematics(part, mat, kinEnergy)) { |
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154 | if(part == electron || part == positron) { |
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155 | G4double x = stepLength*ComputeValue(kinEnergy, mscElectron); |
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156 | if(x < 0.2) res *= (1.0 + 0.5*x + x*x/3.0); |
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157 | else if(x < 0.9999) res = -std::log(1.0 - x)*stepLength/x; |
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158 | else res = ComputeRange(kinEnergy,part); |
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159 | |
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160 | } else { |
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161 | res = ComputeTrueStep(mat,part,kinEnergy,stepLength); |
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162 | } |
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163 | } |
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164 | return res; |
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165 | } |
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166 | |
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167 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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168 | |
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169 | G4bool G4EnergyLossForExtrapolator::SetupKinematics(const G4ParticleDefinition* part, |
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170 | const G4Material* mat, |
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171 | G4double kinEnergy) |
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172 | { |
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173 | if(!part || !mat || kinEnergy < keV) return false; |
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174 | if(!isInitialised) Initialisation(); |
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175 | G4bool flag = false; |
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176 | if(part != currentParticle) { |
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177 | flag = true; |
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178 | currentParticle = part; |
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179 | mass = part->GetPDGMass(); |
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180 | G4double q = part->GetPDGCharge()/eplus; |
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181 | charge2 = q*q; |
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182 | } |
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183 | if(mat != currentMaterial) { |
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184 | G4int i = mat->GetIndex(); |
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185 | if(i >= nmat) { |
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186 | G4cout << "### G4EnergyLossForExtrapolator WARNING:index i= " |
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187 | << i << " is out of table - NO extrapolation" << G4endl; |
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188 | } else { |
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189 | flag = true; |
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190 | currentMaterial = mat; |
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191 | electronDensity = mat->GetElectronDensity(); |
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192 | radLength = mat->GetRadlen(); |
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193 | index = i; |
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194 | } |
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195 | } |
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196 | if(flag || kinEnergy != kineticEnergy) { |
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197 | kineticEnergy = kinEnergy; |
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198 | G4double tau = kinEnergy/mass; |
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199 | |
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200 | gam = tau + 1.0; |
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201 | bg2 = tau * (tau + 2.0); |
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202 | beta2 = bg2/(gam*gam); |
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203 | tmax = kinEnergy; |
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204 | if(part == electron) tmax *= 0.5; |
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205 | else if(part != positron) { |
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206 | G4double r = electron_mass_c2/mass; |
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207 | tmax = 2.0*bg2*electron_mass_c2/(1.0 + 2.0*gam*r + r*r); |
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208 | } |
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209 | if(tmax > maxEnergyTransfer) tmax = maxEnergyTransfer; |
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210 | } |
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211 | return true; |
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212 | } |
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213 | |
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214 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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215 | |
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216 | void G4EnergyLossForExtrapolator::Initialisation() |
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217 | { |
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218 | isInitialised = true; |
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219 | if(verbose>1) |
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220 | G4cout << "### G4EnergyLossForExtrapolator::Initialisation" << G4endl; |
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221 | currentParticle = 0; |
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222 | currentMaterial = 0; |
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223 | kineticEnergy = 0.0; |
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224 | electron = G4Electron::Electron(); |
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225 | positron = G4Positron::Positron(); |
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226 | proton = G4Proton::Proton(); |
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227 | muonPlus = G4MuonPlus::MuonPlus(); |
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228 | muonMinus= G4MuonMinus::MuonMinus(); |
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229 | |
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230 | currentParticleName = ""; |
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231 | |
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232 | linLossLimit = 0.01; |
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233 | emin = 1.*MeV; |
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234 | emax = 10.*TeV; |
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235 | nbins = 70; |
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236 | |
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237 | nmat = G4Material::GetNumberOfMaterials(); |
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238 | const G4MaterialTable* mtable = G4Material::GetMaterialTable(); |
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239 | cuts = new G4ProductionCuts(); |
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240 | |
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241 | const G4MaterialCutsCouple* couple; |
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242 | for(G4int i=0; i<nmat; i++) { |
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243 | couple = new G4MaterialCutsCouple((*mtable)[i],cuts); |
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244 | couples.push_back(couple); |
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245 | } |
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246 | |
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247 | dedxElectron = PrepareTable(); |
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248 | dedxPositron = PrepareTable(); |
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249 | dedxMuon = PrepareTable(); |
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250 | dedxProton = PrepareTable(); |
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251 | rangeElectron = PrepareTable(); |
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252 | rangePositron = PrepareTable(); |
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253 | rangeMuon = PrepareTable(); |
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254 | rangeProton = PrepareTable(); |
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255 | invRangeElectron = PrepareTable(); |
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256 | invRangePositron = PrepareTable(); |
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257 | invRangeMuon = PrepareTable(); |
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258 | invRangeProton = PrepareTable(); |
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259 | mscElectron = PrepareTable(); |
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260 | |
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261 | G4LossTableBuilder builder; |
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262 | |
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263 | if(verbose>1) |
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264 | G4cout << "### G4EnergyLossForExtrapolator Builds electron tables" << G4endl; |
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265 | |
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266 | ComputeElectronDEDX(electron, dedxElectron); |
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267 | builder.BuildRangeTable(dedxElectron,rangeElectron); |
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268 | builder.BuildInverseRangeTable(rangeElectron, invRangeElectron); |
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269 | |
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270 | if(verbose>1) |
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271 | G4cout << "### G4EnergyLossForExtrapolator Builds positron tables" << G4endl; |
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272 | |
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273 | ComputeElectronDEDX(positron, dedxPositron); |
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274 | builder.BuildRangeTable(dedxPositron, rangePositron); |
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275 | builder.BuildInverseRangeTable(rangePositron, invRangePositron); |
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276 | |
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277 | if(verbose>1) |
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278 | G4cout << "### G4EnergyLossForExtrapolator Builds muon tables" << G4endl; |
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279 | |
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280 | ComputeMuonDEDX(muonPlus, dedxMuon); |
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281 | builder.BuildRangeTable(dedxMuon, rangeMuon); |
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282 | builder.BuildInverseRangeTable(rangeMuon, invRangeMuon); |
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283 | |
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284 | if(verbose>1) |
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285 | G4cout << "### G4EnergyLossForExtrapolator Builds proton tables" << G4endl; |
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286 | |
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287 | ComputeProtonDEDX(proton, dedxProton); |
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288 | builder.BuildRangeTable(dedxProton, rangeProton); |
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289 | builder.BuildInverseRangeTable(rangeProton, invRangeProton); |
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290 | |
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291 | ComputeTrasportXS(electron, mscElectron); |
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292 | } |
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293 | |
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294 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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295 | |
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296 | G4PhysicsTable* G4EnergyLossForExtrapolator::PrepareTable() |
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297 | { |
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298 | G4PhysicsTable* table = new G4PhysicsTable(); |
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299 | |
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300 | for(G4int i=0; i<nmat; i++) { |
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301 | |
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302 | G4PhysicsVector* v = new G4PhysicsLogVector(emin, emax, nbins); |
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303 | v->SetSpline(G4LossTableManager::Instance()->SplineFlag()); |
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304 | table->push_back(v); |
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305 | } |
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306 | return table; |
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307 | } |
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308 | |
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309 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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310 | |
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311 | const G4ParticleDefinition* G4EnergyLossForExtrapolator::FindParticle(const G4String& name) |
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312 | { |
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313 | const G4ParticleDefinition* p = 0; |
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314 | if(name != currentParticleName) { |
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315 | p = G4ParticleTable::GetParticleTable()->FindParticle(name); |
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316 | if(!p) { |
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317 | G4cout << "### G4EnergyLossForExtrapolator WARNING:FindParticle fails to find " |
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318 | << name << G4endl; |
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319 | } |
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320 | } else { |
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321 | p = currentParticle; |
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322 | } |
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323 | return p; |
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324 | } |
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325 | |
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326 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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327 | |
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328 | G4double G4EnergyLossForExtrapolator::ComputeDEDX(G4double kinEnergy, |
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329 | const G4ParticleDefinition* part) |
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330 | { |
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331 | G4double x = 0.0; |
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332 | if(part == electron) x = ComputeValue(kinEnergy, dedxElectron); |
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333 | else if(part == positron) x = ComputeValue(kinEnergy, dedxPositron); |
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334 | else if(part == muonPlus || part == muonMinus) { |
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335 | x = ComputeValue(kinEnergy, dedxMuon); |
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336 | } else { |
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337 | G4double e = kinEnergy*proton_mass_c2/mass; |
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338 | x = ComputeValue(e, dedxProton)*charge2; |
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339 | } |
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340 | return x; |
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341 | } |
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342 | |
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343 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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344 | |
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345 | G4double G4EnergyLossForExtrapolator::ComputeRange(G4double kinEnergy, |
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346 | const G4ParticleDefinition* part) |
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347 | { |
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348 | G4double x = 0.0; |
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349 | if(part == electron) x = ComputeValue(kinEnergy, rangeElectron); |
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350 | else if(part == positron) x = ComputeValue(kinEnergy, rangePositron); |
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351 | else if(part == muonPlus || part == muonMinus) |
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352 | x = ComputeValue(kinEnergy, rangeMuon); |
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353 | else { |
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354 | G4double massratio = proton_mass_c2/mass; |
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355 | G4double e = kinEnergy*massratio; |
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356 | x = ComputeValue(e, rangeProton)/(charge2*massratio); |
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357 | } |
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358 | return x; |
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359 | } |
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360 | |
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361 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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362 | |
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363 | G4double G4EnergyLossForExtrapolator::ComputeEnergy(G4double range, |
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364 | const G4ParticleDefinition* part) |
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365 | { |
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366 | G4double x = 0.0; |
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367 | if(part == electron) x = ComputeValue(range, invRangeElectron); |
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368 | else if(part == positron) x = ComputeValue(range, invRangePositron); |
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369 | else if(part == muonPlus || part == muonMinus) |
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370 | x = ComputeValue(range, invRangeMuon); |
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371 | else { |
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372 | G4double massratio = proton_mass_c2/mass; |
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373 | G4double r = range*massratio*charge2; |
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374 | x = ComputeValue(r, invRangeProton)/massratio; |
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375 | } |
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376 | return x; |
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377 | } |
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378 | |
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379 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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380 | |
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381 | void G4EnergyLossForExtrapolator::ComputeElectronDEDX(const G4ParticleDefinition* part, |
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382 | G4PhysicsTable* table) |
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383 | { |
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384 | G4DataVector v; |
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385 | G4MollerBhabhaModel* ioni = new G4MollerBhabhaModel(); |
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386 | G4eBremsstrahlungModel* brem = new G4eBremsstrahlungModel(); |
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387 | ioni->Initialise(part, v); |
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388 | brem->Initialise(part, v); |
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389 | |
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390 | mass = electron_mass_c2; |
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391 | charge2 = 1.0; |
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392 | currentParticle = part; |
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393 | |
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394 | const G4MaterialTable* mtable = G4Material::GetMaterialTable(); |
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395 | if(0<verbose) { |
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396 | G4cout << "G4EnergyLossForExtrapolator::ComputeElectronDEDX for " |
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397 | << part->GetParticleName() |
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398 | << G4endl; |
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399 | } |
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400 | for(G4int i=0; i<nmat; i++) { |
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401 | |
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402 | const G4Material* mat = (*mtable)[i]; |
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403 | if(1<verbose) |
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404 | G4cout << "i= " << i << " mat= " << mat->GetName() << G4endl; |
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405 | const G4MaterialCutsCouple* couple = couples[i]; |
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406 | G4PhysicsVector* aVector = (*table)[i]; |
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407 | |
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408 | for(G4int j=0; j<=nbins; j++) { |
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409 | |
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410 | G4double e = aVector->Energy(j); |
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411 | G4double dedx = ioni->ComputeDEDX(couple,part,e,e) + brem->ComputeDEDX(couple,part,e,e); |
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412 | if(1<verbose) { |
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413 | G4cout << "j= " << j |
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414 | << " e(MeV)= " << e/MeV |
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415 | << " dedx(Mev/cm)= " << dedx*cm/MeV |
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416 | << " dedx(Mev.cm2/g)= " << dedx/((MeV*mat->GetDensity())/(g/cm2)) << G4endl; |
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417 | } |
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418 | aVector->PutValue(j,dedx); |
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419 | } |
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420 | } |
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421 | delete ioni; |
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422 | delete brem; |
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423 | } |
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424 | |
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425 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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426 | |
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427 | void G4EnergyLossForExtrapolator::ComputeMuonDEDX(const G4ParticleDefinition* part, |
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428 | G4PhysicsTable* table) |
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429 | { |
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430 | G4DataVector v; |
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431 | G4BetheBlochModel* ioni = new G4BetheBlochModel(); |
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432 | G4MuPairProductionModel* pair = new G4MuPairProductionModel(); |
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433 | G4MuBremsstrahlungModel* brem = new G4MuBremsstrahlungModel(); |
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434 | ioni->Initialise(part, v); |
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435 | pair->Initialise(part, v); |
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436 | brem->Initialise(part, v); |
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437 | |
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438 | mass = part->GetPDGMass(); |
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439 | charge2 = 1.0; |
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440 | currentParticle = part; |
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441 | |
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442 | const G4MaterialTable* mtable = G4Material::GetMaterialTable(); |
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443 | |
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444 | if(0<verbose) { |
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445 | G4cout << "G4EnergyLossForExtrapolator::ComputeMuonDEDX for " << part->GetParticleName() |
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446 | << G4endl; |
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447 | } |
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448 | |
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449 | for(G4int i=0; i<nmat; i++) { |
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450 | |
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451 | const G4Material* mat = (*mtable)[i]; |
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452 | if(1<verbose) |
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453 | G4cout << "i= " << i << " mat= " << mat->GetName() << G4endl; |
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454 | const G4MaterialCutsCouple* couple = couples[i]; |
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455 | G4PhysicsVector* aVector = (*table)[i]; |
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456 | for(G4int j=0; j<=nbins; j++) { |
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457 | |
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458 | G4double e = aVector->Energy(j); |
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459 | G4double dedx = ioni->ComputeDEDX(couple,part,e,e) + |
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460 | pair->ComputeDEDX(couple,part,e,e) + |
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461 | brem->ComputeDEDX(couple,part,e,e); |
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462 | aVector->PutValue(j,dedx); |
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463 | if(1<verbose) { |
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464 | G4cout << "j= " << j |
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465 | << " e(MeV)= " << e/MeV |
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466 | << " dedx(Mev/cm)= " << dedx*cm/MeV |
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467 | << " dedx(Mev/(g/cm2)= " << dedx/((MeV*mat->GetDensity())/(g/cm2)) << G4endl; |
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468 | } |
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469 | } |
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470 | } |
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471 | delete ioni; |
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472 | } |
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473 | |
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474 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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475 | |
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476 | void G4EnergyLossForExtrapolator::ComputeProtonDEDX(const G4ParticleDefinition* part, |
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477 | G4PhysicsTable* table) |
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478 | { |
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479 | G4DataVector v; |
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480 | G4BetheBlochModel* ioni = new G4BetheBlochModel(); |
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481 | ioni->Initialise(part, v); |
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482 | |
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483 | mass = part->GetPDGMass(); |
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484 | charge2 = 1.0; |
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485 | currentParticle = part; |
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486 | |
---|
487 | const G4MaterialTable* mtable = G4Material::GetMaterialTable(); |
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488 | |
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489 | if(0<verbose) { |
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490 | G4cout << "G4EnergyLossForExtrapolator::ComputeProtonDEDX for " << part->GetParticleName() |
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491 | << G4endl; |
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492 | } |
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493 | |
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494 | for(G4int i=0; i<nmat; i++) { |
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495 | |
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496 | const G4Material* mat = (*mtable)[i]; |
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497 | if(1<verbose) |
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498 | G4cout << "i= " << i << " mat= " << mat->GetName() << G4endl; |
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499 | const G4MaterialCutsCouple* couple = couples[i]; |
---|
500 | G4PhysicsVector* aVector = (*table)[i]; |
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501 | for(G4int j=0; j<=nbins; j++) { |
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502 | |
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503 | G4double e = aVector->Energy(j); |
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504 | G4double dedx = ioni->ComputeDEDX(couple,part,e,e); |
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505 | aVector->PutValue(j,dedx); |
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506 | if(1<verbose) { |
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507 | G4cout << "j= " << j |
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508 | << " e(MeV)= " << e/MeV |
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509 | << " dedx(Mev/cm)= " << dedx*cm/MeV |
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510 | << " dedx(Mev.cm2/g)= " << dedx/((mat->GetDensity())/(g/cm2)) << G4endl; |
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511 | } |
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512 | } |
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513 | } |
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514 | delete ioni; |
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515 | } |
---|
516 | |
---|
517 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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518 | |
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519 | void G4EnergyLossForExtrapolator::ComputeTrasportXS(const G4ParticleDefinition* part, |
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520 | G4PhysicsTable* table) |
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521 | { |
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522 | G4DataVector v; |
---|
523 | G4WentzelVIModel* msc = new G4WentzelVIModel(); |
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524 | msc->SetPolarAngleLimit(CLHEP::pi); |
---|
525 | msc->Initialise(part, v); |
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526 | |
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527 | mass = part->GetPDGMass(); |
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528 | charge2 = 1.0; |
---|
529 | currentParticle = part; |
---|
530 | |
---|
531 | const G4MaterialTable* mtable = G4Material::GetMaterialTable(); |
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532 | |
---|
533 | if(0<verbose) { |
---|
534 | G4cout << "G4EnergyLossForExtrapolator::ComputeProtonDEDX for " << part->GetParticleName() |
---|
535 | << G4endl; |
---|
536 | } |
---|
537 | |
---|
538 | for(G4int i=0; i<nmat; i++) { |
---|
539 | |
---|
540 | const G4Material* mat = (*mtable)[i]; |
---|
541 | if(1<verbose) |
---|
542 | G4cout << "i= " << i << " mat= " << mat->GetName() << G4endl; |
---|
543 | G4PhysicsVector* aVector = (*table)[i]; |
---|
544 | for(G4int j=0; j<=nbins; j++) { |
---|
545 | |
---|
546 | G4double e = aVector->Energy(j); |
---|
547 | G4double xs = msc->CrossSectionPerVolume(mat,part,e); |
---|
548 | aVector->PutValue(j,xs); |
---|
549 | if(1<verbose) { |
---|
550 | G4cout << "j= " << j << " e(MeV)= " << e/MeV |
---|
551 | << " xs(1/mm)= " << xs*mm << G4endl; |
---|
552 | } |
---|
553 | } |
---|
554 | } |
---|
555 | delete msc; |
---|
556 | } |
---|
557 | |
---|
558 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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559 | |
---|