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 | // |
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27 | // $Id: PhysicsList.cc,v 1.9 2007/10/02 14:42:51 maire Exp $ |
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28 | // GEANT4 tag $Name: $ |
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29 | // |
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30 | |
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31 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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32 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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33 | |
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34 | #include "PhysicsList.hh" |
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35 | #include "PhysicsListMessenger.hh" |
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36 | #include "DetectorConstruction.hh" |
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37 | |
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38 | #include "G4ParticleDefinition.hh" |
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39 | #include "G4ParticleTypes.hh" |
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40 | #include "G4ParticleTable.hh" |
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41 | |
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42 | #include "G4ProcessManager.hh" |
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43 | #include "G4LossTableManager.hh" |
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44 | |
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45 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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46 | |
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47 | PhysicsList::PhysicsList(DetectorConstruction* det) |
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48 | : G4VUserPhysicsList(), detector(det) |
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49 | { |
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50 | defaultCutValue = 10.*km; |
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51 | singleScattering = false; |
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52 | registerBrem = false; |
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53 | pMessenger = new PhysicsListMessenger(this); |
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54 | SetVerboseLevel(1); |
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55 | |
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56 | G4LossTableManager::Instance(); |
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57 | } |
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58 | |
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59 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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60 | |
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61 | PhysicsList::~PhysicsList() |
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62 | { delete pMessenger; } |
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63 | |
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64 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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65 | |
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66 | void PhysicsList::ConstructParticle() |
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67 | { |
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68 | G4Geantino::GeantinoDefinition(); |
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69 | G4Gamma::GammaDefinition(); |
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70 | |
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71 | G4Electron::ElectronDefinition(); |
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72 | G4Positron::PositronDefinition(); |
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73 | |
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74 | G4Proton::ProtonDefinition(); |
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75 | } |
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76 | |
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77 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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78 | |
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79 | void PhysicsList::ConstructProcess() |
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80 | { |
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81 | AddTransportation(); |
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82 | ConstructEM(); |
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83 | AddStepMax(); |
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84 | } |
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85 | |
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86 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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87 | |
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88 | #include "G4ComptonScattering.hh" |
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89 | #include "MyKleinNishinaCompton.hh" |
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90 | #include "G4GammaConversion.hh" |
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91 | #include "G4PhotoElectricEffect.hh" |
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92 | |
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93 | #include "G4MultipleScattering.hh" |
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94 | #include "G4CoulombScattering.hh" |
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95 | |
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96 | #include "G4eIonisation.hh" |
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97 | #include "MyMollerBhabhaModel.hh" |
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98 | #include "G4eBremsstrahlung.hh" |
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99 | #include "G4eplusAnnihilation.hh" |
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100 | |
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101 | #include "G4hIonisation.hh" |
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102 | |
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103 | #include "G4EmProcessOptions.hh" |
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104 | #include "G4MscStepLimitType.hh" |
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105 | |
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106 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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107 | |
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108 | |
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109 | void PhysicsList::ConstructEM() |
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110 | { |
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111 | theParticleIterator->reset(); |
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112 | while( (*theParticleIterator)() ){ |
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113 | G4ParticleDefinition* particle = theParticleIterator->value(); |
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114 | G4ProcessManager* pmanager = particle->GetProcessManager(); |
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115 | G4String particleName = particle->GetParticleName(); |
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116 | G4int iAlong = 0, iPost = 0; |
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117 | |
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118 | if (particleName == "gamma") { |
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119 | |
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120 | G4ComptonScattering* compton = new G4ComptonScattering(); |
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121 | compton->SetModel(comptonModel = new MyKleinNishinaCompton(detector)); |
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122 | comptonModel->SetCSFactor(1000.); |
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123 | |
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124 | pmanager->AddDiscreteProcess(compton); |
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125 | pmanager->AddDiscreteProcess(new G4PhotoElectricEffect); |
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126 | pmanager->AddDiscreteProcess(new G4GammaConversion); |
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127 | |
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128 | } else if (particleName == "e-") { |
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129 | |
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130 | if (singleScattering) |
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131 | pmanager->AddProcess(new G4CoulombScattering, -1, -1, ++iPost); |
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132 | else |
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133 | pmanager->AddProcess(new G4MultipleScattering, -1, ++iAlong, ++iPost); |
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134 | |
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135 | G4eIonisation* eIoni = new G4eIonisation(); |
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136 | eIoni->SetEmModel(new MyMollerBhabhaModel); |
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137 | pmanager->AddProcess(eIoni, -1, ++iAlong, ++iPost); |
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138 | |
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139 | if (registerBrem) |
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140 | pmanager->AddProcess(new G4eBremsstrahlung, -1, ++iAlong, ++iPost); |
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141 | |
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142 | } else if (particleName == "e+") { |
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143 | |
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144 | if (singleScattering) |
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145 | pmanager->AddProcess(new G4CoulombScattering, -1, -1, ++iPost); |
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146 | else |
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147 | pmanager->AddProcess(new G4MultipleScattering, -1, ++iAlong, ++iPost); |
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148 | |
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149 | G4eIonisation* pIoni = new G4eIonisation(); |
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150 | pIoni->SetEmModel(new MyMollerBhabhaModel); |
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151 | pmanager->AddProcess(pIoni, -1, ++iAlong, ++iPost); |
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152 | |
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153 | if (registerBrem) { |
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154 | pmanager->AddProcess(new G4eBremsstrahlung, -1, ++iAlong, ++iPost); |
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155 | pmanager->AddProcess(new G4eplusAnnihilation, 0, -1, ++iPost); |
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156 | } |
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157 | |
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158 | } else if (particleName == "proton") { |
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159 | |
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160 | if (singleScattering) |
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161 | pmanager->AddProcess(new G4CoulombScattering, -1, -1, ++iPost); |
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162 | else |
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163 | pmanager->AddProcess(new G4MultipleScattering, -1, ++iAlong, ++iPost); |
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164 | |
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165 | pmanager->AddProcess(new G4hIonisation, -1, ++iAlong, ++iPost); |
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166 | } |
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167 | } |
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168 | |
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169 | // Em options |
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170 | // |
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171 | G4EmProcessOptions emOptions; |
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172 | |
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173 | //multiple scattering |
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174 | // |
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175 | emOptions.SetMscStepLimitation(fUseDistanceToBoundary); |
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176 | emOptions.SetSkin(2.); |
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177 | |
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178 | //physics tables |
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179 | // |
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180 | emOptions.SetMinEnergy(100*eV); |
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181 | emOptions.SetMaxEnergy(10*GeV); |
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182 | emOptions.SetDEDXBinning(800); |
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183 | emOptions.SetLambdaBinning(800); |
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184 | |
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185 | //energy loss |
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186 | // |
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187 | emOptions.SetStepFunction(0.2, 10*um); |
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188 | emOptions.SetLinearLossLimit(1.e-6); |
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189 | |
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190 | //build CSDA range |
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191 | // |
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192 | emOptions.SetBuildCSDARange(true); |
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193 | emOptions.SetMaxEnergyForCSDARange(10*GeV); |
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194 | emOptions.SetDEDXBinningForCSDARange(800); |
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195 | } |
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196 | |
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197 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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198 | |
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199 | #include "StepMax.hh" |
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200 | |
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201 | void PhysicsList::AddStepMax() |
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202 | { |
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203 | // Step limitation seen as a process |
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204 | StepMax* stepMaxProcess = new StepMax(); |
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205 | |
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206 | theParticleIterator->reset(); |
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207 | while ((*theParticleIterator)()){ |
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208 | G4ParticleDefinition* particle = theParticleIterator->value(); |
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209 | G4ProcessManager* pmanager = particle->GetProcessManager(); |
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210 | |
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211 | if (stepMaxProcess->IsApplicable(*particle)) |
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212 | { |
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213 | pmanager ->AddDiscreteProcess(stepMaxProcess); |
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214 | } |
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215 | } |
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216 | } |
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217 | |
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218 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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219 | |
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220 | #include "G4UnitsTable.hh" |
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221 | |
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222 | void PhysicsList::SetCuts() |
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223 | { |
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224 | if (verboseLevel >0){ |
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225 | G4cout << "PhysicsList::SetCuts:"; |
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226 | G4cout << "CutLength : " << G4BestUnit(defaultCutValue,"Length") << G4endl; |
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227 | } |
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228 | |
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229 | // set cut values for gamma at first and for e- second and next for e+, |
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230 | // because some processes for e+/e- need cut values for gamma |
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231 | SetCutValue(defaultCutValue, "gamma"); |
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232 | SetCutValue(defaultCutValue, "e-"); |
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233 | SetCutValue(defaultCutValue, "e+"); |
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234 | } |
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235 | |
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236 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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237 | |
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238 | void PhysicsList::SetComptonCSfactor(G4double factor) |
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239 | { |
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240 | if (comptonModel) comptonModel->SetCSFactor(factor); |
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241 | } |
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242 | |
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243 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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244 | |
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245 | void PhysicsList::SingleCoulombScattering(G4bool flag) |
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246 | { |
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247 | singleScattering = flag; |
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248 | } |
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249 | |
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250 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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251 | |
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252 | void PhysicsList::RegisterBrem(G4bool flag) |
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253 | { |
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254 | registerBrem = flag; |
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255 | } |
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256 | |
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257 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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258 | |
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259 | |
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260 | |
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261 | |
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