[807] | 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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