[807] | 1 | // |
---|
| 2 | // ******************************************************************** |
---|
| 3 | // * License and Disclaimer * |
---|
| 4 | // * * |
---|
| 5 | // * The Geant4 software is copyright of the Copyright Holders of * |
---|
| 6 | // * the Geant4 Collaboration. It is provided under the terms and * |
---|
| 7 | // * conditions of the Geant4 Software License, included in the file * |
---|
| 8 | // * LICENSE and available at http://cern.ch/geant4/license . These * |
---|
| 9 | // * include a list of copyright holders. * |
---|
| 10 | // * * |
---|
| 11 | // * Neither the authors of this software system, nor their employing * |
---|
| 12 | // * institutes,nor the agencies providing financial support for this * |
---|
| 13 | // * work make any representation or warranty, express or implied, * |
---|
| 14 | // * regarding this software system or assume any liability for its * |
---|
| 15 | // * use. Please see the license in the file LICENSE and URL above * |
---|
| 16 | // * for the full disclaimer and the limitation of liability. * |
---|
| 17 | // * * |
---|
| 18 | // * This code implementation is the result of the scientific and * |
---|
| 19 | // * technical work of the GEANT4 collaboration. * |
---|
| 20 | // * By using, copying, modifying or distributing the software (or * |
---|
| 21 | // * any work based on the software) you agree to acknowledge its * |
---|
| 22 | // * use in resulting scientific publications, and indicate your * |
---|
| 23 | // * acceptance of all terms of the Geant4 Software license. * |
---|
| 24 | // ******************************************************************** |
---|
| 25 | // |
---|
| 26 | // |
---|
| 27 | // $Id: PhysicsList.cc,v 1.1 2007/10/15 16:20:23 maire Exp $ |
---|
| 28 | // GEANT4 tag $Name: $ |
---|
| 29 | // |
---|
| 30 | |
---|
| 31 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
---|
| 32 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
---|
| 33 | |
---|
| 34 | #include "PhysicsList.hh" |
---|
| 35 | #include "PhysicsListMessenger.hh" |
---|
| 36 | #include "DetectorConstruction.hh" |
---|
| 37 | |
---|
| 38 | #include "G4ParticleDefinition.hh" |
---|
| 39 | #include "G4ParticleTypes.hh" |
---|
| 40 | #include "G4ParticleTable.hh" |
---|
| 41 | |
---|
| 42 | #include "G4ProcessManager.hh" |
---|
| 43 | #include "G4LossTableManager.hh" |
---|
| 44 | |
---|
| 45 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
---|
| 46 | |
---|
| 47 | PhysicsList::PhysicsList(DetectorConstruction* det) |
---|
| 48 | : G4VUserPhysicsList(), detector(det) |
---|
| 49 | { |
---|
| 50 | defaultCutValue = 10.*km; |
---|
| 51 | singleScattering = false; |
---|
| 52 | registerBrem = false; |
---|
| 53 | pMessenger = new PhysicsListMessenger(this); |
---|
| 54 | SetVerboseLevel(1); |
---|
| 55 | |
---|
| 56 | G4LossTableManager::Instance(); |
---|
| 57 | } |
---|
| 58 | |
---|
| 59 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
---|
| 60 | |
---|
| 61 | PhysicsList::~PhysicsList() |
---|
| 62 | { delete pMessenger; } |
---|
| 63 | |
---|
| 64 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
---|
| 65 | |
---|
| 66 | void PhysicsList::ConstructParticle() |
---|
| 67 | { |
---|
| 68 | G4Geantino::GeantinoDefinition(); |
---|
| 69 | G4Gamma::GammaDefinition(); |
---|
| 70 | |
---|
| 71 | G4Electron::ElectronDefinition(); |
---|
| 72 | G4Positron::PositronDefinition(); |
---|
| 73 | |
---|
| 74 | G4Proton::ProtonDefinition(); |
---|
| 75 | } |
---|
| 76 | |
---|
| 77 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
---|
| 78 | |
---|
| 79 | void PhysicsList::ConstructProcess() |
---|
| 80 | { |
---|
| 81 | AddTransportation(); |
---|
| 82 | ConstructEM(); |
---|
| 83 | AddStepMax(); |
---|
| 84 | } |
---|
| 85 | |
---|
| 86 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
---|
| 87 | |
---|
| 88 | #include "G4ComptonScattering.hh" |
---|
| 89 | #include "G4GammaConversion.hh" |
---|
| 90 | #include "G4PhotoElectricEffect.hh" |
---|
| 91 | |
---|
| 92 | #include "G4MultipleScattering.hh" |
---|
| 93 | #include "G4CoulombScattering.hh" |
---|
| 94 | |
---|
| 95 | #include "G4eIonisation.hh" |
---|
| 96 | #include "MyMollerBhabhaModel.hh" |
---|
| 97 | #include "G4eBremsstrahlung.hh" |
---|
| 98 | #include "G4eplusAnnihilation.hh" |
---|
| 99 | |
---|
| 100 | #include "G4hIonisation.hh" |
---|
| 101 | |
---|
| 102 | #include "G4EmProcessOptions.hh" |
---|
| 103 | #include "G4MscStepLimitType.hh" |
---|
| 104 | |
---|
| 105 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
---|
| 106 | |
---|
| 107 | |
---|
| 108 | void PhysicsList::ConstructEM() |
---|
| 109 | { |
---|
| 110 | theParticleIterator->reset(); |
---|
| 111 | while( (*theParticleIterator)() ){ |
---|
| 112 | G4ParticleDefinition* particle = theParticleIterator->value(); |
---|
| 113 | G4ProcessManager* pmanager = particle->GetProcessManager(); |
---|
| 114 | G4String particleName = particle->GetParticleName(); |
---|
| 115 | G4int iAlong = 0, iPost = 0; |
---|
| 116 | |
---|
| 117 | if (particleName == "gamma") { |
---|
| 118 | |
---|
| 119 | pmanager->AddDiscreteProcess(new G4PhotoElectricEffect); |
---|
| 120 | pmanager->AddDiscreteProcess(new G4ComptonScattering); |
---|
| 121 | pmanager->AddDiscreteProcess(new G4GammaConversion); |
---|
| 122 | |
---|
| 123 | } else if (particleName == "e-") { |
---|
| 124 | |
---|
| 125 | if (singleScattering) |
---|
| 126 | pmanager->AddProcess(new G4CoulombScattering, -1, -1, ++iPost); |
---|
| 127 | else |
---|
| 128 | pmanager->AddProcess(new G4MultipleScattering, -1, ++iAlong, ++iPost); |
---|
| 129 | |
---|
| 130 | G4eIonisation* eIoni = new G4eIonisation(); |
---|
| 131 | eIoni->SetEmModel(new MyMollerBhabhaModel); |
---|
| 132 | pmanager->AddProcess(eIoni, -1, ++iAlong, ++iPost); |
---|
| 133 | |
---|
| 134 | if (registerBrem) |
---|
| 135 | pmanager->AddProcess(new G4eBremsstrahlung, -1, ++iAlong, ++iPost); |
---|
| 136 | |
---|
| 137 | } else if (particleName == "e+") { |
---|
| 138 | |
---|
| 139 | if (singleScattering) |
---|
| 140 | pmanager->AddProcess(new G4CoulombScattering, -1, -1, ++iPost); |
---|
| 141 | else |
---|
| 142 | pmanager->AddProcess(new G4MultipleScattering, -1, ++iAlong, ++iPost); |
---|
| 143 | |
---|
| 144 | G4eIonisation* pIoni = new G4eIonisation(); |
---|
| 145 | pIoni->SetEmModel(new MyMollerBhabhaModel); |
---|
| 146 | pmanager->AddProcess(pIoni, -1, ++iAlong, ++iPost); |
---|
| 147 | |
---|
| 148 | if (registerBrem) { |
---|
| 149 | pmanager->AddProcess(new G4eBremsstrahlung, -1, ++iAlong, ++iPost); |
---|
| 150 | pmanager->AddProcess(new G4eplusAnnihilation, 0, -1, ++iPost); |
---|
| 151 | } |
---|
| 152 | |
---|
| 153 | } else if (particleName == "proton") { |
---|
| 154 | |
---|
| 155 | if (singleScattering) |
---|
| 156 | pmanager->AddProcess(new G4CoulombScattering, -1, -1, ++iPost); |
---|
| 157 | else |
---|
| 158 | pmanager->AddProcess(new G4MultipleScattering, -1, ++iAlong, ++iPost); |
---|
| 159 | |
---|
| 160 | pmanager->AddProcess(new G4hIonisation, -1, ++iAlong, ++iPost); |
---|
| 161 | } |
---|
| 162 | } |
---|
| 163 | |
---|
| 164 | // Em options |
---|
| 165 | // |
---|
| 166 | G4EmProcessOptions emOptions; |
---|
| 167 | |
---|
| 168 | //multiple scattering |
---|
| 169 | // |
---|
| 170 | emOptions.SetMscStepLimitation(fUseDistanceToBoundary); |
---|
| 171 | emOptions.SetSkin(2.); |
---|
| 172 | |
---|
| 173 | //physics tables |
---|
| 174 | // |
---|
| 175 | emOptions.SetMinEnergy(100*eV); |
---|
| 176 | emOptions.SetMaxEnergy(10*GeV); |
---|
| 177 | emOptions.SetDEDXBinning(800); |
---|
| 178 | emOptions.SetLambdaBinning(800); |
---|
| 179 | |
---|
| 180 | //energy loss |
---|
| 181 | // |
---|
| 182 | emOptions.SetStepFunction(0.2, 10*um); |
---|
| 183 | emOptions.SetLinearLossLimit(1.e-6); |
---|
| 184 | |
---|
| 185 | //build CSDA range |
---|
| 186 | // |
---|
| 187 | emOptions.SetBuildCSDARange(true); |
---|
| 188 | emOptions.SetMaxEnergyForCSDARange(10*GeV); |
---|
| 189 | emOptions.SetDEDXBinningForCSDARange(800); |
---|
| 190 | } |
---|
| 191 | |
---|
| 192 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
---|
| 193 | |
---|
| 194 | #include "StepMax.hh" |
---|
| 195 | |
---|
| 196 | void PhysicsList::AddStepMax() |
---|
| 197 | { |
---|
| 198 | // Step limitation seen as a process |
---|
| 199 | StepMax* stepMaxProcess = new StepMax(); |
---|
| 200 | |
---|
| 201 | theParticleIterator->reset(); |
---|
| 202 | while ((*theParticleIterator)()){ |
---|
| 203 | G4ParticleDefinition* particle = theParticleIterator->value(); |
---|
| 204 | G4ProcessManager* pmanager = particle->GetProcessManager(); |
---|
| 205 | |
---|
| 206 | if (stepMaxProcess->IsApplicable(*particle)) |
---|
| 207 | { |
---|
| 208 | pmanager ->AddDiscreteProcess(stepMaxProcess); |
---|
| 209 | } |
---|
| 210 | } |
---|
| 211 | } |
---|
| 212 | |
---|
| 213 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
---|
| 214 | |
---|
| 215 | #include "G4UnitsTable.hh" |
---|
| 216 | |
---|
| 217 | void PhysicsList::SetCuts() |
---|
| 218 | { |
---|
| 219 | if (verboseLevel >0){ |
---|
| 220 | G4cout << "PhysicsList::SetCuts:"; |
---|
| 221 | G4cout << "CutLength : " << G4BestUnit(defaultCutValue,"Length") << G4endl; |
---|
| 222 | } |
---|
| 223 | |
---|
| 224 | // set cut values for gamma at first and for e- second and next for e+, |
---|
| 225 | // because some processes for e+/e- need cut values for gamma |
---|
| 226 | SetCutValue(defaultCutValue, "gamma"); |
---|
| 227 | SetCutValue(defaultCutValue, "e-"); |
---|
| 228 | SetCutValue(defaultCutValue, "e+"); |
---|
| 229 | } |
---|
| 230 | |
---|
| 231 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
---|
| 232 | |
---|
| 233 | void PhysicsList::SingleCoulombScattering(G4bool flag) |
---|
| 234 | { |
---|
| 235 | singleScattering = flag; |
---|
| 236 | } |
---|
| 237 | |
---|
| 238 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
---|
| 239 | |
---|
| 240 | void PhysicsList::RegisterBrem(G4bool flag) |
---|
| 241 | { |
---|
| 242 | registerBrem = flag; |
---|
| 243 | } |
---|
| 244 | |
---|
| 245 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
---|
| 246 | |
---|
| 247 | |
---|
| 248 | |
---|
| 249 | |
---|