[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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[1230] | 26 | // $Id: PhysListEmStandard.cc,v 1.23 2009/11/13 17:01:44 maire Exp $ |
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| 27 | // GEANT4 tag $Name: geant4-09-03-cand-01 $ |
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[807] | 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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[1230] | 40 | #include "G4eMultipleScattering.hh" |
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| 41 | #include "G4UrbanMscModel93.hh" |
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[807] | 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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[1230] | 46 | #include "G4MuMultipleScattering.hh" |
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[807] | 47 | #include "G4MuIonisation.hh" |
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| 48 | #include "G4MuBremsstrahlung.hh" |
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| 49 | #include "G4MuPairProduction.hh" |
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| 50 | |
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[1230] | 51 | #include "G4hMultipleScattering.hh" |
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[807] | 52 | #include "G4hIonisation.hh" |
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[1230] | 53 | #include "G4hBremsstrahlung.hh" |
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| 54 | #include "G4hPairProduction.hh" |
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| 55 | |
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[807] | 56 | #include "G4ionIonisation.hh" |
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| 57 | |
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| 58 | #include "G4EmProcessOptions.hh" |
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| 59 | #include "G4MscStepLimitType.hh" |
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| 60 | |
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| 61 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 62 | |
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| 63 | PhysListEmStandard::PhysListEmStandard(const G4String& name) |
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| 64 | : G4VPhysicsConstructor(name) |
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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 | PhysListEmStandard::~PhysListEmStandard() |
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| 70 | {} |
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| 71 | |
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| 72 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 73 | |
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| 74 | void PhysListEmStandard::ConstructProcess() |
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| 75 | { |
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| 76 | // Add standard EM Processes |
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| 77 | |
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| 78 | theParticleIterator->reset(); |
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| 79 | while( (*theParticleIterator)() ){ |
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| 80 | G4ParticleDefinition* particle = theParticleIterator->value(); |
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| 81 | G4ProcessManager* pmanager = particle->GetProcessManager(); |
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| 82 | G4String particleName = particle->GetParticleName(); |
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| 83 | |
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| 84 | if (particleName == "gamma") { |
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| 85 | // gamma |
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| 86 | pmanager->AddDiscreteProcess(new G4PhotoElectricEffect); |
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| 87 | pmanager->AddDiscreteProcess(new G4ComptonScattering); |
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| 88 | pmanager->AddDiscreteProcess(new G4GammaConversion); |
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| 89 | |
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| 90 | } else if (particleName == "e-") { |
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| 91 | //electron |
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[1230] | 92 | G4eMultipleScattering* msc = new G4eMultipleScattering(); |
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| 93 | msc->AddEmModel(0, new G4UrbanMscModel93()); |
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| 94 | pmanager->AddProcess(msc, -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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[807] | 97 | |
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| 98 | } else if (particleName == "e+") { |
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| 99 | //positron |
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[1230] | 100 | G4eMultipleScattering* msc = new G4eMultipleScattering(); |
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| 101 | msc->AddEmModel(0, new G4UrbanMscModel93()); |
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| 102 | pmanager->AddProcess(msc, -1, 1, 1); |
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| 103 | pmanager->AddProcess(new G4eIonisation, -1, 2, 2); |
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| 104 | pmanager->AddProcess(new G4eBremsstrahlung(), -1, 3, 3); |
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| 105 | pmanager->AddProcess(new G4eplusAnnihilation, 0,-1, 4); |
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[807] | 106 | |
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[1230] | 107 | } else if( particleName == "mu-" || |
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| 108 | particleName == "mu+" ) { |
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[807] | 109 | //muon |
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[1230] | 110 | pmanager->AddProcess(new G4MuMultipleScattering, -1, 1, 1); |
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| 111 | pmanager->AddProcess(new G4MuIonisation, -1, 2, 2); |
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| 112 | pmanager->AddProcess(new G4MuBremsstrahlung, -1, 3, 3); |
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| 113 | pmanager->AddProcess(new G4MuPairProduction, -1, 4, 4); |
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| 114 | |
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| 115 | } else if( particleName == "proton" || |
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| 116 | particleName == "pi-" || |
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| 117 | particleName == "pi+" ) { |
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| 118 | //proton |
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| 119 | pmanager->AddProcess(new G4hMultipleScattering, -1, 1, 1); |
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| 120 | pmanager->AddProcess(new G4hIonisation, -1, 2, 2); |
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| 121 | pmanager->AddProcess(new G4hBremsstrahlung, -1, 3, 3); |
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| 122 | pmanager->AddProcess(new G4hPairProduction, -1, 4, 4); |
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[807] | 123 | |
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| 124 | } else if( particleName == "alpha" || |
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| 125 | particleName == "He3" || |
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[1230] | 126 | particleName == "GenericIon" ) { |
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| 127 | //Ions |
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| 128 | pmanager->AddProcess(new G4hMultipleScattering, -1, 1, 1); |
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| 129 | pmanager->AddProcess(new G4ionIonisation, -1, 2, 2); |
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[807] | 130 | |
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| 131 | } else if ((!particle->IsShortLived()) && |
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| 132 | (particle->GetPDGCharge() != 0.0) && |
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| 133 | (particle->GetParticleName() != "chargedgeantino")) { |
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| 134 | //all others charged particles except geantino |
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[1230] | 135 | pmanager->AddProcess(new G4hMultipleScattering, -1, 1, 1); |
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| 136 | pmanager->AddProcess(new G4hIonisation, -1, 2, 2); |
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[807] | 137 | } |
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| 138 | } |
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| 139 | |
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| 140 | // Em options |
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| 141 | // |
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[1230] | 142 | // Main options and setting parameters are shown here. |
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| 143 | // Several of them have default values. |
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| 144 | // |
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[807] | 145 | G4EmProcessOptions emOptions; |
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[1230] | 146 | |
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| 147 | //physics tables |
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[807] | 148 | // |
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[1230] | 149 | emOptions.SetMinEnergy(100*eV); //default |
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| 150 | emOptions.SetMaxEnergy(100*TeV); //default |
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| 151 | emOptions.SetDEDXBinning(12*20); //default=12*7 |
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| 152 | emOptions.SetLambdaBinning(12*20); //default=12*7 |
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| 153 | emOptions.SetSplineFlag(true); //default |
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| 154 | |
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| 155 | //multiple coulomb scattering |
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| 156 | // |
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| 157 | emOptions.SetMscStepLimitation(fUseDistanceToBoundary); //default=fUseSafety |
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| 158 | emOptions.SetMscRangeFactor(0.04); //default |
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| 159 | emOptions.SetMscGeomFactor (2.5); //default |
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| 160 | emOptions.SetSkin(3.); //default |
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| 161 | |
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[807] | 162 | //energy loss |
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| 163 | // |
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[1230] | 164 | emOptions.SetStepFunction(0.2, 100*um); //default=(0.2, 1*mm) |
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| 165 | emOptions.SetLinearLossLimit(1.e-2); //default |
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[807] | 166 | |
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| 167 | //ionization |
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| 168 | // |
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[1230] | 169 | emOptions.SetSubCutoff(false); //default=false |
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[807] | 170 | } |
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| 171 | |
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| 172 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 173 | |
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