Geant4 Cross Reference |
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 /// \file ElectromagneticPhysics.cc 27 /// \brief Implementation of the ElectromagneticPhysics class 28 // 29 // 30 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 31 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 32 33 #include "ElectromagneticPhysics.hh" 34 35 #include "G4BuilderType.hh" 36 #include "G4ComptonScattering.hh" 37 #include "G4GammaConversion.hh" 38 #include "G4IonParametrisedLossModel.hh" 39 #include "G4LossTableManager.hh" 40 #include "G4MuBremsstrahlung.hh" 41 #include "G4MuIonisation.hh" 42 #include "G4MuMultipleScattering.hh" 43 #include "G4MuPairProduction.hh" 44 #include "G4NuclearStopping.hh" 45 #include "G4ParticleDefinition.hh" 46 #include "G4PhotoElectricEffect.hh" 47 #include "G4PhysicsListHelper.hh" 48 #include "G4ProcessManager.hh" 49 #include "G4RayleighScattering.hh" 50 #include "G4SystemOfUnits.hh" 51 #include "G4UAtomicDeexcitation.hh" 52 #include "G4eBremsstrahlung.hh" 53 #include "G4eIonisation.hh" 54 #include "G4eMultipleScattering.hh" 55 #include "G4eplusAnnihilation.hh" 56 #include "G4hBremsstrahlung.hh" 57 #include "G4hIonisation.hh" 58 #include "G4hMultipleScattering.hh" 59 #include "G4hPairProduction.hh" 60 #include "G4ionIonisation.hh" 61 62 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 63 64 ElectromagneticPhysics::ElectromagneticPhysics(const G4String& name) : G4VPhysicsConstructor(name) 65 { 66 SetPhysicsType(bElectromagnetic); 67 68 G4EmParameters* param = G4EmParameters::Instance(); 69 param->SetDefaults(); 70 param->SetStepFunction(0.2, 100 * um); 71 param->SetStepFunctionMuHad(0.1, 10 * um); 72 param->SetStepFunctionLightIons(0.1, 10 * um); 73 param->SetStepFunctionIons(0.1, 1 * um); 74 param->SetDeexcitationIgnoreCut(true); 75 } 76 77 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 78 79 void ElectromagneticPhysics::ConstructProcess() 80 { 81 G4PhysicsListHelper* ph = G4PhysicsListHelper::GetPhysicsListHelper(); 82 83 // Add standard EM Processes 84 // 85 auto particleIterator = GetParticleIterator(); 86 particleIterator->reset(); 87 while ((*particleIterator)()) { 88 G4ParticleDefinition* particle = particleIterator->value(); 89 G4String particleName = particle->GetParticleName(); 90 91 if (particleName == "gamma") { 92 ph->RegisterProcess(new G4RayleighScattering, particle); 93 ph->RegisterProcess(new G4PhotoElectricEffect, particle); 94 ph->RegisterProcess(new G4ComptonScattering, particle); 95 ph->RegisterProcess(new G4GammaConversion, particle); 96 } 97 else if (particleName == "e-") { 98 ph->RegisterProcess(new G4eMultipleScattering(), particle); 99 ph->RegisterProcess(new G4eIonisation, particle); 100 ph->RegisterProcess(new G4eBremsstrahlung(), particle); 101 } 102 else if (particleName == "e+") { 103 ph->RegisterProcess(new G4eMultipleScattering(), particle); 104 ph->RegisterProcess(new G4eIonisation, particle); 105 ph->RegisterProcess(new G4eBremsstrahlung(), particle); 106 ph->RegisterProcess(new G4eplusAnnihilation(), particle); 107 } 108 else if (particleName == "mu+" || particleName == "mu-") { 109 ph->RegisterProcess(new G4MuMultipleScattering(), particle); 110 ph->RegisterProcess(new G4MuIonisation, particle); 111 ph->RegisterProcess(new G4MuBremsstrahlung(), particle); 112 ph->RegisterProcess(new G4MuPairProduction(), particle); 113 } 114 else if (particleName == "proton" || particleName == "pi-" || particleName == "pi+") { 115 ph->RegisterProcess(new G4hMultipleScattering(), particle); 116 ph->RegisterProcess(new G4hIonisation, particle); 117 } 118 else if (particleName == "alpha" || particleName == "He3") { 119 ph->RegisterProcess(new G4hMultipleScattering(), particle); 120 ph->RegisterProcess(new G4ionIonisation, particle); 121 ph->RegisterProcess(new G4NuclearStopping(), particle); 122 } 123 else if (particleName == "GenericIon") { 124 ph->RegisterProcess(new G4hMultipleScattering(), particle); 125 G4ionIonisation* ionIoni = new G4ionIonisation(); 126 ionIoni->SetEmModel(new G4IonParametrisedLossModel()); 127 ph->RegisterProcess(ionIoni, particle); 128 ph->RegisterProcess(new G4NuclearStopping(), particle); 129 } 130 else if ((!particle->IsShortLived()) && (particle->GetPDGCharge() != 0.0) 131 && (particle->GetParticleName() != "chargedgeantino")) 132 { 133 // all others charged particles except geantino 134 ph->RegisterProcess(new G4hMultipleScattering(), particle); 135 ph->RegisterProcess(new G4hIonisation(), particle); 136 } 137 } 138 139 // Deexcitation 140 // 141 G4VAtomDeexcitation* de = new G4UAtomicDeexcitation(); 142 G4LossTableManager::Instance()->SetAtomDeexcitation(de); 143 } 144 145 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 146