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geant4/examples/advanced/microbeam/src/PhysicsList.cc
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2021-06-25 16:12:29 +02:00

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//
// ********************************************************************
// * License and Disclaimer *
// * *
// * The Geant4 software is copyright of the Copyright Holders of *
// * the Geant4 Collaboration. It is provided under the terms and *
// * conditions of the Geant4 Software License, included in the file *
// * LICENSE and available at http://cern.ch/geant4/license . These *
// * include a list of copyright holders. *
// * *
// * Neither the authors of this software system, nor their employing *
// * institutes,nor the agencies providing financial support for this *
// * work make any representation or warranty, express or implied, *
// * regarding this software system or assume any liability for its *
// * use. Please see the license in the file LICENSE and URL above *
// * for the full disclaimer and the limitation of liability. *
// * *
// * This code implementation is the result of the scientific and *
// * technical work of the GEANT4 collaboration. *
// * By using, copying, modifying or distributing the software (or *
// * any work based on the software) you agree to acknowledge its *
// * use in resulting scientific publications, and indicate your *
// * acceptance of all terms of the Geant4 Software license. *
// ********************************************************************
//
// This example is provided by the Geant4-DNA collaboration
// Any report or published results obtained using the Geant4-DNA software
// shall cite the following Geant4-DNA collaboration publication:
// Med. Phys. 37 (2010) 4692-4708
// The Geant4-DNA web site is available at http://geant4-dna.org
//
// If you use this example, please cite the following publication:
// Rad. Prot. Dos. 133 (2009) 2-11
#include "PhysicsList.hh"
#include "PhysicsListMessenger.hh"
#include "G4SystemOfUnits.hh"
#include "StepMax.hh"
#include "G4EmStandardPhysics.hh"
#include "G4EmStandardPhysics_option1.hh"
#include "G4EmStandardPhysics_option2.hh"
#include "G4EmStandardPhysics_option3.hh"
#include "G4EmStandardPhysics_option4.hh"
#include "G4EmLivermorePhysics.hh"
#include "G4EmPenelopePhysics.hh"
#include "G4DecayPhysics.hh"
#include "G4ProcessManager.hh"
#include "G4Gamma.hh"
#include "G4Electron.hh"
#include "G4Positron.hh"
PhysicsList::PhysicsList() : G4VModularPhysicsList()
{
fMessenger = new PhysicsListMessenger(this);
SetVerboseLevel(1);
// EM physics
fEmName = G4String("emlivermore");
fEmPhysicsList = new G4EmLivermorePhysics();
// Deacy physics and all particles
fDecPhysicsList = new G4DecayPhysics();
}
PhysicsList::~PhysicsList()
{
delete fMessenger;
delete fEmPhysicsList;
delete fDecPhysicsList;
}
void PhysicsList::ConstructParticle()
{
fDecPhysicsList->ConstructParticle();
}
void PhysicsList::ConstructProcess()
{
// transportation
AddTransportation();
// electromagnetic physics list
fEmPhysicsList->ConstructProcess();
// decay physics list
fDecPhysicsList->ConstructProcess();
// step limitation (as a full process)
AddStepMax();
}
void PhysicsList::AddPhysicsList(const G4String& name)
{
if (verboseLevel>1) {
G4cout << "PhysicsList::AddPhysicsList: <" << name << ">" << G4endl;
}
if (name == fEmName) return;
if (name == "emstandard_opt0") {
fEmName = name;
delete fEmPhysicsList;
fEmPhysicsList = new G4EmStandardPhysics(1);
} else if (name == "emstandard_opt1") {
fEmName = name;
delete fEmPhysicsList;
fEmPhysicsList = new G4EmStandardPhysics_option1();
} else if (name == "emstandard_opt2") {
fEmName = name;
delete fEmPhysicsList;
fEmPhysicsList = new G4EmStandardPhysics_option2();
} else if (name == "emstandard_opt3") {
fEmName = name;
delete fEmPhysicsList;
fEmPhysicsList = new G4EmStandardPhysics_option3();
} else if (name == "emstandard_opt4") {
fEmName = name;
delete fEmPhysicsList;
fEmPhysicsList = new G4EmStandardPhysics_option4();
} else if (name == "emlivermore") {
fEmName = name;
delete fEmPhysicsList;
fEmPhysicsList = new G4EmLivermorePhysics();
} else if (name == "empenelope") {
fEmName = name;
delete fEmPhysicsList;
fEmPhysicsList = new G4EmPenelopePhysics();
}
}
void PhysicsList::AddStepMax()
{
// Step limitation seen as a process
StepMax* stepMaxProcess = new StepMax(fMessenger);
auto particleIterator=GetParticleIterator();
particleIterator->reset();
while ((*particleIterator)()){
G4ParticleDefinition* particle = particleIterator->value();
G4ProcessManager* pmanager = particle->GetProcessManager();
if (stepMaxProcess->IsApplicable(*particle))
{
pmanager ->AddDiscreteProcess(stepMaxProcess);
}
}
}