1 | // |
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2 | // ******************************************************************** |
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3 | // * License and Disclaimer * |
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4 | // * * |
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5 | // * The Geant4 software is copyright of the Copyright Holders of * |
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6 | // * the Geant4 Collaboration. It is provided under the terms and * |
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7 | // * conditions of the Geant4 Software License, included in the file * |
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8 | // * LICENSE and available at http://cern.ch/geant4/license . These * |
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9 | // * include a list of copyright holders. * |
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10 | // * * |
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11 | // * Neither the authors of this software system, nor their employing * |
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12 | // * institutes,nor the agencies providing financial support for this * |
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13 | // * work make any representation or warranty, express or implied, * |
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14 | // * regarding this software system or assume any liability for its * |
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15 | // * use. Please see the license in the file LICENSE and URL above * |
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16 | // * for the full disclaimer and the limitation of liability. * |
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17 | // * * |
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18 | // * This code implementation is the result of the scientific and * |
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19 | // * technical work of the GEANT4 collaboration. * |
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20 | // * By using, copying, modifying or distributing the software (or * |
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21 | // * any work based on the software) you agree to acknowledge its * |
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22 | // * use in resulting scientific publications, and indicate your * |
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23 | // * acceptance of all terms of the Geant4 Software license. * |
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24 | // ******************************************************************** |
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25 | // |
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26 | // $Id: PhysListEmStandard.cc,v 1.11 2009/11/16 15:09:10 maire Exp $ |
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27 | // GEANT4 tag $Name: geant4-09-03-cand-01 $ |
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28 | // |
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29 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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30 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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31 | |
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32 | #include "PhysListEmStandard.hh" |
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33 | #include "G4ParticleDefinition.hh" |
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34 | #include "G4ProcessManager.hh" |
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35 | |
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36 | #include "G4ComptonScattering.hh" |
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37 | #include "G4GammaConversion.hh" |
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38 | #include "G4PhotoElectricEffect.hh" |
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39 | |
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40 | #include "G4eMultipleScattering.hh" |
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41 | #include "G4UrbanMscModel93.hh" |
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42 | #include "G4eIonisation.hh" |
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43 | #include "G4eBremsstrahlung.hh" |
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44 | #include "G4eplusAnnihilation.hh" |
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45 | |
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46 | #include "G4MuMultipleScattering.hh" |
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47 | #include "G4MuIonisation.hh" |
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48 | #include "G4MuBremsstrahlung.hh" |
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49 | #include "G4MuPairProduction.hh" |
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50 | |
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51 | #include "G4hMultipleScattering.hh" |
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52 | #include "G4hIonisation.hh" |
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53 | #include "G4hBremsstrahlung.hh" |
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54 | #include "G4hPairProduction.hh" |
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55 | |
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56 | #include "G4ionIonisation.hh" |
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57 | #include "G4IonParametrisedLossModel.hh" |
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58 | #include "G4NuclearStopping.hh" |
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59 | |
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60 | #include "G4EmProcessOptions.hh" |
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61 | #include "G4MscStepLimitType.hh" |
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62 | |
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63 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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64 | |
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65 | PhysListEmStandard::PhysListEmStandard(const G4String& name) |
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66 | : G4VPhysicsConstructor(name) |
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67 | {} |
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68 | |
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69 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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70 | |
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71 | PhysListEmStandard::~PhysListEmStandard() |
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72 | {} |
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73 | |
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74 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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75 | |
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76 | void PhysListEmStandard::ConstructProcess() |
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77 | { |
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78 | // Add standard EM Processes |
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79 | // |
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80 | |
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81 | theParticleIterator->reset(); |
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82 | while( (*theParticleIterator)() ){ |
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83 | G4ParticleDefinition* particle = theParticleIterator->value(); |
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84 | G4ProcessManager* pmanager = particle->GetProcessManager(); |
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85 | G4String particleName = particle->GetParticleName(); |
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86 | |
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87 | if (particleName == "gamma") { |
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88 | // gamma |
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89 | pmanager->AddDiscreteProcess(new G4PhotoElectricEffect); |
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90 | pmanager->AddDiscreteProcess(new G4ComptonScattering); |
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91 | pmanager->AddDiscreteProcess(new G4GammaConversion); |
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92 | |
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93 | } else if (particleName == "e-") { |
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94 | //electron |
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95 | G4eMultipleScattering* msc = new G4eMultipleScattering(); |
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96 | msc->AddEmModel(0, new G4UrbanMscModel93()); |
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97 | pmanager->AddProcess(msc, -1, 1, 1); |
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98 | pmanager->AddProcess(new G4eIonisation, -1, 2, 2); |
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99 | pmanager->AddProcess(new G4eBremsstrahlung, -1, 3, 3); |
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100 | |
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101 | } else if (particleName == "e+") { |
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102 | //positron |
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103 | G4eMultipleScattering* msc = new G4eMultipleScattering(); |
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104 | msc->AddEmModel(0, new G4UrbanMscModel93()); |
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105 | pmanager->AddProcess(msc, -1, 1, 1); |
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106 | pmanager->AddProcess(new G4eIonisation, -1, 2, 2); |
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107 | pmanager->AddProcess(new G4eBremsstrahlung, -1, 3, 3); |
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108 | pmanager->AddProcess(new G4eplusAnnihilation, 0,-1, 4); |
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109 | |
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110 | } else if (particleName == "mu+" || |
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111 | particleName == "mu-" ) { |
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112 | //muon |
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113 | pmanager->AddProcess(new G4MuMultipleScattering, -1, 1, 1); |
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114 | pmanager->AddProcess(new G4MuIonisation, -1, 2, 2); |
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115 | pmanager->AddProcess(new G4MuBremsstrahlung, -1, 3, 3); |
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116 | pmanager->AddProcess(new G4MuPairProduction, -1, 4, 4); |
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117 | |
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118 | } else if( particleName == "proton" || |
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119 | particleName == "pi-" || |
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120 | particleName == "pi+" ) { |
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121 | //proton |
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122 | pmanager->AddProcess(new G4hMultipleScattering, -1, 1, 1); |
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123 | pmanager->AddProcess(new G4hIonisation, -1, 2, 2); |
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124 | pmanager->AddProcess(new G4hBremsstrahlung, -1, 3, 3); |
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125 | pmanager->AddProcess(new G4hPairProduction, -1, 4, 4); |
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126 | |
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127 | } else if( particleName == "alpha" || |
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128 | particleName == "He3" ) { |
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129 | //alpha |
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130 | pmanager->AddProcess(new G4hMultipleScattering, -1, 1, 1); |
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131 | pmanager->AddProcess(new G4ionIonisation, -1, 2, 2); |
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132 | pmanager->AddProcess(new G4NuclearStopping, -1, 3,-1); |
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133 | |
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134 | } else if( particleName == "GenericIon" ) { |
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135 | //Ions |
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136 | pmanager->AddProcess(new G4hMultipleScattering, -1, 1, 1); |
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137 | G4ionIonisation* ionIoni = new G4ionIonisation(); |
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138 | ionIoni->SetEmModel(new G4IonParametrisedLossModel()); |
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139 | pmanager->AddProcess(ionIoni, -1, 2, 2); |
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140 | pmanager->AddProcess(new G4NuclearStopping, -1, 3,-1); |
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141 | |
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142 | } else if ((!particle->IsShortLived()) && |
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143 | (particle->GetPDGCharge() != 0.0) && |
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144 | (particle->GetParticleName() != "chargedgeantino")) { |
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145 | //all others charged particles except geantino |
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146 | pmanager->AddProcess(new G4hMultipleScattering, -1, 1, 1); |
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147 | pmanager->AddProcess(new G4hIonisation, -1, 2, 2); |
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148 | } |
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149 | } |
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150 | |
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151 | // Em options |
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152 | // |
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153 | // Main options and setting parameters are shown here. |
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154 | // Several of them have default values. |
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155 | // |
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156 | G4EmProcessOptions emOptions; |
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157 | |
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158 | //physics tables |
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159 | // |
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160 | emOptions.SetMinEnergy(100*eV); //default |
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161 | emOptions.SetMaxEnergy(100*TeV); //default |
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162 | emOptions.SetDEDXBinning(12*20); //default=12*7 |
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163 | emOptions.SetLambdaBinning(12*20); //default=12*7 |
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164 | emOptions.SetSplineFlag(true); //default |
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165 | |
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166 | //multiple coulomb scattering |
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167 | // |
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168 | emOptions.SetMscStepLimitation(fUseDistanceToBoundary); //default=fUseSafety |
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169 | emOptions.SetMscRangeFactor(0.04); //default |
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170 | emOptions.SetMscGeomFactor (2.5); //default |
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171 | emOptions.SetSkin(3.); //default |
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172 | |
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173 | //energy loss |
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174 | // |
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175 | emOptions.SetStepFunction(0.2, 100*um); //default=(0.2, 1*mm) |
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176 | emOptions.SetLinearLossLimit(1.e-2); //default |
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177 | |
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178 | //ionization |
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179 | // |
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180 | emOptions.SetSubCutoff(false); //default |
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181 | } |
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182 | |
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183 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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184 | |
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