[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 | // Authors: S. Guatelli and M. G. Pia, INFN Genova, Italy |
---|
| 27 | // |
---|
| 28 | // Based on code developed by the undergraduate student G. Guerrieri |
---|
| 29 | // Note: this is a preliminary beta-version of the code; an improved |
---|
| 30 | // version will be distributed in the next Geant4 public release, compliant |
---|
| 31 | // with the design in a forthcoming publication, and subject to a |
---|
| 32 | // design and code review. |
---|
| 33 | |
---|
| 34 | #include "G4HumanPhantomPhysicsList.hh" |
---|
| 35 | |
---|
| 36 | #include "G4ParticleDefinition.hh" |
---|
| 37 | #include "G4ProductionCutsTable.hh" |
---|
| 38 | #include "G4ProcessManager.hh" |
---|
| 39 | #include "G4ParticleTypes.hh" |
---|
| 40 | #include "G4UnitsTable.hh" |
---|
| 41 | #include "G4ios.hh" |
---|
| 42 | |
---|
| 43 | #include "G4MultipleScattering.hh" |
---|
| 44 | // gamma |
---|
| 45 | #include "G4LowEnergyRayleigh.hh" |
---|
| 46 | #include "G4LowEnergyPhotoElectric.hh" |
---|
| 47 | #include "G4LowEnergyCompton.hh" |
---|
| 48 | #include "G4LowEnergyGammaConversion.hh" |
---|
| 49 | // e- |
---|
| 50 | #include "G4LowEnergyIonisation.hh" |
---|
| 51 | #include "G4LowEnergyBremsstrahlung.hh" |
---|
| 52 | // e+ |
---|
| 53 | #include "G4eIonisation.hh" |
---|
| 54 | #include "G4eBremsstrahlung.hh" |
---|
| 55 | #include "G4eplusAnnihilation.hh" |
---|
| 56 | |
---|
| 57 | G4HumanPhantomPhysicsList::G4HumanPhantomPhysicsList(): G4VUserPhysicsList() |
---|
| 58 | { |
---|
| 59 | SetVerboseLevel(1); |
---|
| 60 | } |
---|
| 61 | |
---|
| 62 | G4HumanPhantomPhysicsList::~G4HumanPhantomPhysicsList() |
---|
| 63 | { |
---|
| 64 | } |
---|
| 65 | |
---|
| 66 | void G4HumanPhantomPhysicsList::ConstructParticle() |
---|
| 67 | { |
---|
| 68 | // In this method, static member functions should be called |
---|
| 69 | // for all particles which you want to use. |
---|
| 70 | // This ensures that objects of these particle types will be |
---|
| 71 | // created in the program. |
---|
| 72 | G4Geantino::GeantinoDefinition(); |
---|
| 73 | |
---|
| 74 | ConstructBosons(); |
---|
| 75 | ConstructLeptons(); |
---|
| 76 | } |
---|
| 77 | |
---|
| 78 | void G4HumanPhantomPhysicsList::ConstructBosons() |
---|
| 79 | { |
---|
| 80 | // photons |
---|
| 81 | G4Gamma::GammaDefinition(); |
---|
| 82 | } |
---|
| 83 | |
---|
| 84 | void G4HumanPhantomPhysicsList::ConstructLeptons() |
---|
| 85 | { |
---|
| 86 | // leptons |
---|
| 87 | G4Electron::ElectronDefinition(); |
---|
| 88 | G4Positron::PositronDefinition(); |
---|
| 89 | } |
---|
| 90 | |
---|
| 91 | void G4HumanPhantomPhysicsList::ConstructProcess() |
---|
| 92 | { |
---|
| 93 | AddTransportation(); |
---|
| 94 | ConstructEM(); |
---|
| 95 | } |
---|
| 96 | |
---|
| 97 | void G4HumanPhantomPhysicsList::ConstructEM() |
---|
| 98 | { |
---|
| 99 | theParticleIterator->reset(); |
---|
| 100 | |
---|
| 101 | while( (*theParticleIterator)() ){ |
---|
| 102 | |
---|
| 103 | G4ParticleDefinition* particle = theParticleIterator->value(); |
---|
| 104 | G4ProcessManager* pmanager = particle->GetProcessManager(); |
---|
| 105 | G4String particleName = particle->GetParticleName(); |
---|
| 106 | |
---|
| 107 | // Processes |
---|
| 108 | |
---|
| 109 | if (particleName == "gamma") { |
---|
| 110 | // Photon |
---|
| 111 | pmanager->AddDiscreteProcess(new G4LowEnergyRayleigh); |
---|
| 112 | pmanager->AddDiscreteProcess(new G4LowEnergyPhotoElectric); |
---|
| 113 | pmanager->AddDiscreteProcess(new G4LowEnergyCompton); |
---|
| 114 | pmanager->AddDiscreteProcess(new G4LowEnergyGammaConversion); |
---|
| 115 | |
---|
| 116 | } else if (particleName == "e-") { |
---|
| 117 | // Electron |
---|
| 118 | G4LowEnergyIonisation* loweIon = new G4LowEnergyIonisation("LowEnergyIoni"); |
---|
| 119 | |
---|
| 120 | G4LowEnergyBremsstrahlung* loweBrem = new G4LowEnergyBremsstrahlung("LowEnBrem"); |
---|
| 121 | // Select the Bremsstrahlung angular distribution model (Tsai/2BN/2BS) |
---|
| 122 | loweBrem->SetAngularGenerator("tsai"); |
---|
| 123 | |
---|
| 124 | pmanager->AddProcess(new G4MultipleScattering, -1, 1,1); |
---|
| 125 | pmanager->AddProcess(loweIon, -1, 2,2); |
---|
| 126 | pmanager->AddProcess(loweBrem, -1,-1,3); |
---|
| 127 | |
---|
| 128 | } else if (particleName == "e+") { |
---|
| 129 | // Positron |
---|
| 130 | pmanager->AddProcess(new G4MultipleScattering, -1, 1,1); |
---|
| 131 | pmanager->AddProcess(new G4eIonisation, -1, 2,2); |
---|
| 132 | pmanager->AddProcess(new G4eBremsstrahlung, -1,-1,3); |
---|
| 133 | pmanager->AddProcess(new G4eplusAnnihilation, 0,-1,4); |
---|
| 134 | |
---|
| 135 | } |
---|
| 136 | } |
---|
| 137 | } |
---|
| 138 | |
---|
| 139 | void G4HumanPhantomPhysicsList::SetCuts() |
---|
| 140 | { |
---|
| 141 | // The production threshold is fixed to 0.1 mm for all the particles |
---|
| 142 | // Secondary particles with a range bigger than 0.1 mm |
---|
| 143 | // are generated; otherwise their energy is considered deposited locally |
---|
| 144 | |
---|
| 145 | defaultCutValue = 0.1 * mm; |
---|
| 146 | |
---|
| 147 | const G4double cutForGamma = defaultCutValue; |
---|
| 148 | const G4double cutForElectron = defaultCutValue; |
---|
| 149 | const G4double cutForPositron = defaultCutValue; |
---|
| 150 | |
---|
| 151 | SetCutValue(cutForGamma, "gamma"); |
---|
| 152 | SetCutValue(cutForElectron, "e-"); |
---|
| 153 | SetCutValue(cutForPositron, "e+"); |
---|
| 154 | |
---|
| 155 | // Set the secondary production cut lower than 990. eV |
---|
| 156 | // Very important for high precision of lowenergy processes at low energies |
---|
| 157 | |
---|
| 158 | G4double lowLimit = 250. * eV; |
---|
| 159 | G4double highLimit = 100. * GeV; |
---|
| 160 | G4ProductionCutsTable::GetProductionCutsTable()->SetEnergyRange(lowLimit, highLimit); |
---|
| 161 | |
---|
| 162 | if (verboseLevel>0) DumpCutValuesTable(); |
---|
| 163 | } |
---|