[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 | // $Id: PhysListEmStandard.cc,v 1.14 2007/11/21 17:41:19 maire Exp $ |
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| 27 | // GEANT4 tag $Name: geant4-09-01-patch-02 $ |
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| 28 | // |
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| 29 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 30 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 31 | |
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| 32 | #include "PhysListEmStandard.hh" |
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| 33 | #include "G4ParticleDefinition.hh" |
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| 34 | #include "G4ProcessManager.hh" |
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| 35 | |
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| 36 | #include "G4ComptonScattering.hh" |
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| 37 | #include "G4GammaConversion.hh" |
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| 38 | #include "G4PhotoElectricEffect.hh" |
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| 39 | |
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| 40 | #include "G4MultipleScattering.hh" |
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| 41 | |
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| 42 | #include "G4eIonisation.hh" |
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| 43 | #include "G4eBremsstrahlung.hh" |
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| 44 | #include "G4eplusAnnihilation.hh" |
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| 45 | |
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| 46 | #include "G4MuIonisation.hh" |
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| 47 | #include "G4MuBremsstrahlung.hh" |
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| 48 | #include "G4MuPairProduction.hh" |
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| 49 | |
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| 50 | #include "G4hIonisation.hh" |
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| 51 | #include "G4ionIonisation.hh" |
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| 52 | |
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| 53 | #include "G4EmProcessOptions.hh" |
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| 54 | #include "G4MscStepLimitType.hh" |
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| 55 | |
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| 56 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 57 | |
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| 58 | PhysListEmStandard::PhysListEmStandard(const G4String& name) |
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| 59 | : G4VPhysicsConstructor(name) |
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| 60 | {} |
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| 61 | |
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| 62 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 63 | |
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| 64 | PhysListEmStandard::~PhysListEmStandard() |
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| 65 | {} |
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| 66 | |
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| 67 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 68 | |
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| 69 | void PhysListEmStandard::ConstructProcess() |
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| 70 | { |
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| 71 | // Add standard EM Processes |
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| 72 | // |
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| 73 | |
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| 74 | theParticleIterator->reset(); |
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| 75 | while( (*theParticleIterator)() ){ |
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| 76 | G4ParticleDefinition* particle = theParticleIterator->value(); |
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| 77 | G4ProcessManager* pmanager = particle->GetProcessManager(); |
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| 78 | G4String particleName = particle->GetParticleName(); |
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| 79 | |
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| 80 | if (particleName == "gamma") { |
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| 81 | // gamma |
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| 82 | pmanager->AddDiscreteProcess(new G4PhotoElectricEffect); |
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| 83 | pmanager->AddDiscreteProcess(new G4ComptonScattering); |
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| 84 | pmanager->AddDiscreteProcess(new G4GammaConversion); |
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| 85 | |
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| 86 | } else if (particleName == "e-") { |
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| 87 | //electron |
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| 88 | pmanager->AddProcess(new G4MultipleScattering, -1, 1,1); |
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| 89 | pmanager->AddProcess(new G4eIonisation, -1, 2,2); |
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| 90 | pmanager->AddProcess(new G4eBremsstrahlung, -1, 3,3); |
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| 91 | |
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| 92 | } else if (particleName == "e+") { |
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| 93 | //positron |
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| 94 | pmanager->AddProcess(new G4MultipleScattering, -1, 1,1); |
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| 95 | pmanager->AddProcess(new G4eIonisation, -1, 2,2); |
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| 96 | pmanager->AddProcess(new G4eBremsstrahlung, -1, 3,3); |
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| 97 | pmanager->AddProcess(new G4eplusAnnihilation, 0,-1,4); |
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| 98 | |
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| 99 | } else if (particleName == "mu+" || |
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| 100 | particleName == "mu-" ) { |
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| 101 | //muon |
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| 102 | pmanager->AddProcess(new G4MultipleScattering, -1, 1,1); |
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| 103 | pmanager->AddProcess(new G4MuIonisation, -1, 2,2); |
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| 104 | pmanager->AddProcess(new G4MuBremsstrahlung, -1, 3,3); |
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| 105 | pmanager->AddProcess(new G4MuPairProduction, -1, 4,4); |
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| 106 | |
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| 107 | } else if (particleName == "alpha" || particleName == "GenericIon" ) { |
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| 108 | pmanager->AddProcess(new G4MultipleScattering, -1, 1,1); |
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| 109 | pmanager->AddProcess(new G4ionIonisation, -1, 2,2); |
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| 110 | |
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| 111 | } else if ((!particle->IsShortLived()) && |
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| 112 | (particle->GetPDGCharge() != 0.0) && |
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| 113 | (particle->GetParticleName() != "chargedgeantino")) { |
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| 114 | //all others charged particles except geantino |
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| 115 | pmanager->AddProcess(new G4MultipleScattering, -1,1,1); |
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| 116 | pmanager->AddProcess(new G4hIonisation, -1,2,2); |
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| 117 | } |
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| 118 | } |
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| 119 | |
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| 120 | // Em options |
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| 121 | // |
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| 122 | G4EmProcessOptions emOptions; |
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| 123 | |
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| 124 | //coulomb scattering |
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| 125 | // |
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| 126 | emOptions.SetMscStepLimitation(fUseDistanceToBoundary); |
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| 127 | emOptions.SetSkin(4.); |
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| 128 | |
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| 129 | //physics tables |
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| 130 | // |
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| 131 | emOptions.SetMinEnergy(100*eV); |
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| 132 | emOptions.SetMaxEnergy(100*TeV); |
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| 133 | emOptions.SetDEDXBinning(1200); |
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| 134 | emOptions.SetLambdaBinning(1200); |
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| 135 | |
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| 136 | //energy loss |
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| 137 | // |
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| 138 | emOptions.SetLinearLossLimit(1.e-6); |
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| 139 | emOptions.SetStepFunction(0.2, 100*um); |
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| 140 | |
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| 141 | //ionization |
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| 142 | // |
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| 143 | emOptions.SetSubCutoff(false); |
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| 144 | } |
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| 145 | |
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| 146 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 147 | |
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