Gabriele Cosmo
320 lines
11 KiB
C++
320 lines
11 KiB
C++
//
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// ********************************************************************
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// * License and Disclaimer *
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// * *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. Please see the license in the file LICENSE and URL above *
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// * for the full disclaimer and the limitation of liability. *
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// * *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// * By using, copying, modifying or distributing the software (or *
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// * any work based on the software) you agree to acknowledge its *
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// * use in resulting scientific publications, and indicate your *
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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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// -------------------------------------------------------------------
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// $Id: PhysicsList.cc,v 1.1 2012-09-21 mraine Exp $
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// -------------------------------------------------------------------
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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#include "PhysicsList.hh"
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#include "G4SystemOfUnits.hh"
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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PhysicsList::PhysicsList(): G4VUserPhysicsList()
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{
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defaultCutValue = 1*micrometer;
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cutForGamma = defaultCutValue;
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cutForElectron = defaultCutValue;
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cutForPositron = defaultCutValue;
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cutForProton = defaultCutValue;
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SetVerboseLevel(1);
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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PhysicsList::~PhysicsList()
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{}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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void PhysicsList::ConstructParticle()
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{
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ConstructBosons();
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ConstructLeptons();
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ConstructBarions();
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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void PhysicsList::ConstructBosons()
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{
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// gamma
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G4Gamma::GammaDefinition();
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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void PhysicsList::ConstructLeptons()
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{
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// leptons
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G4Electron::ElectronDefinition();
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G4Positron::PositronDefinition();
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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void PhysicsList::ConstructBarions()
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{
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// baryons
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G4Proton::ProtonDefinition();
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G4GenericIon::GenericIonDefinition();
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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void PhysicsList::ConstructProcess()
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{
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AddTransportation();
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ConstructEM();
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ConstructGeneral();
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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// Geant4-MicroElec MODELS
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#include "G4MicroElecElastic.hh"
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#include "G4MicroElecElasticModel.hh"
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#include "G4MicroElecInelastic.hh"
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#include "G4MicroElecInelasticModel.hh"
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//
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#include "G4LossTableManager.hh"
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#include "G4EmConfigurator.hh"
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#include "G4VEmModel.hh"
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#include "G4DummyModel.hh"
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#include "G4eIonisation.hh"
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#include "G4hIonisation.hh"
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#include "G4ionIonisation.hh"
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#include "G4eMultipleScattering.hh"
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#include "G4hMultipleScattering.hh"
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#include "G4BraggModel.hh"
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#include "G4BraggIonModel.hh"
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#include "G4BetheBlochModel.hh"
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#include "G4UrbanMscModel.hh"
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#include "G4MollerBhabhaModel.hh"
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#include "G4IonFluctuations.hh"
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#include "G4UniversalFluctuation.hh"
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#include "G4ElectronCapture.hh"
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#include "G4UAtomicDeexcitation.hh"
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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void PhysicsList::ConstructEM()
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{
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theParticleIterator->reset();
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while( (*theParticleIterator)() )
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{
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G4ParticleDefinition* particle = theParticleIterator->value();
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G4ProcessManager* pmanager = particle->GetProcessManager();
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G4String particleName = particle->GetParticleName();
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// *********************************
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// 1) Processes for the World region
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// *********************************
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if (particleName == "e-") {
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// STANDARD msc is active in the world
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G4eMultipleScattering* msc = new G4eMultipleScattering();
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msc->AddEmModel(1, new G4UrbanMscModel());
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pmanager->AddProcess(msc, -1, 1, -1);
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// STANDARD ionisation is active in the world
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G4eIonisation* eion = new G4eIonisation();
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pmanager->AddProcess(eion, -1, 2, 2);
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// MicroElec elastic is not active in the world
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G4MicroElecElastic* theMicroElecElasticProcess = new G4MicroElecElastic("e-_G4MicroElecElastic");
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theMicroElecElasticProcess->SetEmModel(new G4DummyModel(),1);
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pmanager->AddDiscreteProcess(theMicroElecElasticProcess);
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// MicroElec ionisation is not active in the world
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G4MicroElecInelastic* microelecioni = new G4MicroElecInelastic("e-_G4MicroElecInelastic");
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microelecioni->SetEmModel(new G4DummyModel(),1);
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pmanager->AddDiscreteProcess(microelecioni);
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// THE FOLLOWING PROCESS WILL KILL ALL ELECTRONS BELOW A SELECTED ENERY THRESHOLD
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// Capture of low-energy e-
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G4ElectronCapture* ecap = new G4ElectronCapture("Target", 16.7*eV);
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pmanager->AddDiscreteProcess(ecap);
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} else if ( particleName == "proton" ) {
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// STANDARD msc is active in the world
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G4hMultipleScattering* msc = new G4hMultipleScattering();
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msc->AddEmModel(1, new G4UrbanMscModel());
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pmanager->AddProcess(msc, -1, 1, -1);
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// STANDARD ionisation is active in the world
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G4hIonisation* hion = new G4hIonisation();
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pmanager->AddProcess(hion, -1, 2, 2);
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// MicroElec ionisation is not active in the world
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G4MicroElecInelastic* microelecioni = new G4MicroElecInelastic("p_G4MicroElecInelastic");
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microelecioni->SetEmModel(new G4DummyModel(),1);
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microelecioni->SetEmModel(new G4DummyModel(),2);
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pmanager->AddDiscreteProcess(microelecioni);
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} else if (particleName == "GenericIon") {
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// STANDARD msc is active in the world
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G4hMultipleScattering* msc = new G4hMultipleScattering();
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msc->AddEmModel(1, new G4UrbanMscModel());
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pmanager->AddProcess(new G4hMultipleScattering, -1, 1, -1);
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// STANDARD ionisation is active in the world
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G4ionIonisation* hion = new G4ionIonisation();
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pmanager->AddProcess(hion, -1, 2, 2);
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// MicroElec ionisation is not active in the world
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G4MicroElecInelastic* microelecioni = new G4MicroElecInelastic("ion_G4MicroElecInelastic");
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microelecioni->SetEmModel(new G4DummyModel(),1);
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microelecioni->SetEmModel(new G4DummyModel(),2);
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pmanager->AddDiscreteProcess(microelecioni);
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}
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}
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// **************************************
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// 2) Define processes for Target region
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// **************************************
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// STANDARD EM processes should be inactivated when corresponding MicroElec processes are used
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// - STANDARD EM e- processes are inactivated below 100 MeV
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// - STANDARD EM proton & ion processes are inactivated below standEnergyLimit
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//
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G4EmConfigurator* em_config = G4LossTableManager::Instance()->EmConfigurator();
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G4VEmModel* mod;
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// *** e-
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// ---> STANDARD EM processes are inactivated below 100 MeV
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G4UrbanMscModel* msc = new G4UrbanMscModel();
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msc->SetActivationLowEnergyLimit(100*MeV);
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em_config->SetExtraEmModel("e-","msc",msc,"Target");
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mod = new G4MollerBhabhaModel();
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mod->SetActivationLowEnergyLimit(100*MeV);
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em_config->SetExtraEmModel("e-","eIoni",mod,"Target",0.0,10*TeV, new G4UniversalFluctuation());
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// ---> MicroElec processes activated
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mod = new G4MicroElecElasticModel();
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em_config->SetExtraEmModel("e-","e-_G4MicroElecElastic",mod,"Target",0.0,100*MeV);
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mod = new G4MicroElecInelasticModel();
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em_config->SetExtraEmModel("e-","e-_G4MicroElecInelastic",mod,"Target",16.7*eV,100*MeV);
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// *** proton
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// ---> STANDARD EM processes inactivated below standEnergyLimit
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// STANDARD msc is still active
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// Inactivate following STANDARD processes
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mod = new G4BraggModel();
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mod->SetActivationHighEnergyLimit(50*keV);
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em_config->SetExtraEmModel("proton","hIoni",mod,"Target",0.0,2*MeV, new G4IonFluctuations());
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mod = new G4BetheBlochModel();
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mod->SetActivationLowEnergyLimit(10*GeV);
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em_config->SetExtraEmModel("proton","hIoni",mod,"Target",2*MeV,10*TeV, new G4IonFluctuations());
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// ---> MicroElec processes activated
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mod = new G4MicroElecInelasticModel();
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mod->SetActivationLowEnergyLimit(50*keV);
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em_config->SetExtraEmModel("proton","p_G4MicroElecInelastic",mod,"Target",0.0,10*GeV);
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em_config->SetExtraEmModel("proton","p_G4MicroElecInelastic",new G4DummyModel,
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"Target",10*GeV,10*TeV);
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// *** ion
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// ---> STANDARD EM processes inactivated below standEnergyLimit
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// STANDARD msc is still active
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// Inactivate following STANDARD processes
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mod = new G4BraggIonModel();
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mod->SetActivationHighEnergyLimit(50*keV);
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em_config->SetExtraEmModel("GenericIon","ionIoni",mod,"Target",0.0,2*MeV, new G4IonFluctuations());
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mod = new G4BetheBlochModel();
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mod->SetActivationLowEnergyLimit(10*GeV);
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em_config->SetExtraEmModel("GenericIon","ionIoni",mod,"Target",2*MeV,10*TeV, new G4IonFluctuations());
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// ---> MicroElec processes activated
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mod = new G4MicroElecInelasticModel();
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mod->SetActivationLowEnergyLimit(50*keV);
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em_config->SetExtraEmModel("GenericIon","ion_G4MicroElecInelastic",mod,
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"Target",0.0,10*GeV);
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em_config->SetExtraEmModel("GenericIon","ion_G4MicroElecInelastic",new G4DummyModel,
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"Target",10*GeV,10*TeV);
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// Deexcitation
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//
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G4VAtomDeexcitation* de = new G4UAtomicDeexcitation();
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G4LossTableManager::Instance()->SetAtomDeexcitation(de);
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de->SetFluo(true);
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de->SetAuger(true);
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de->SetPIXE(true);
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de->InitialiseForNewRun();
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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void PhysicsList::ConstructGeneral()
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{ }
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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void PhysicsList::SetCuts()
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{
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if (verboseLevel >0)
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{
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G4cout << "PhysicsList::SetCuts:";
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G4cout << "CutLength : " << G4BestUnit(defaultCutValue,"Length") << G4endl;
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}
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// set cut values for gamma at first and for e- second and next for e+,
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// because some processes for e+/e- need cut values for gamma
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SetCutValue(cutForGamma, "gamma");
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SetCutValue(cutForElectron, "e-");
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SetCutValue(cutForPositron, "e+");
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SetCutValue(cutForProton, "proton");
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if (verboseLevel>0) { DumpCutValuesTable(); }
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}
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