geant4/examples/extended/electromagnetic/TestEm18/src/PhysicsList.cc

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/// \file PhysicsList.cc
/// \brief Implementation of the PhysicsList class

#include "PhysicsList.hh"

#include "PhysListEmLivermore.hh"
#include "PhysListEmPenelope.hh"
#include "PhysListEmStandard.hh"
#include "PhysicsListMessenger.hh"

#include "G4LossTableManager.hh"
#include "G4SystemOfUnits.hh"
#include "G4UnitsTable.hh"

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PhysicsList::PhysicsList()
{
  G4LossTableManager::Instance();
  fMessenger = new PhysicsListMessenger(this);

  // EM physics
  fEmName = G4String("standard");
  fEmPhysicsList = new PhysListEmStandard(fEmName);

  SetDefaultCutValue(1. * mm);

  SetVerboseLevel(1);
}

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PhysicsList::~PhysicsList()
{
  delete fEmPhysicsList;
  delete fMessenger;
}

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void PhysicsList::AddPhysicsList(const G4String& name)
{
  if (verboseLevel > 1) {
    G4cout << "PhysicsList::AddPhysicsList: <" << name << ">" << G4endl;
  }

  if (name == fEmName) return;

  if (name == "standard") {
    fEmName = name;
    delete fEmPhysicsList;
    fEmPhysicsList = new PhysListEmStandard(name);
  }
  else if (name == "livermore") {
    fEmName = name;
    delete fEmPhysicsList;
    fEmPhysicsList = new PhysListEmLivermore(name);
  }
  else if (name == "penelope") {
    fEmName = name;
    delete fEmPhysicsList;
    fEmPhysicsList = new PhysListEmPenelope(name);
  }
  else {
    G4cout << "PhysicsList::AddPhysicsList: <" << name << ">"
           << " is not defined" << G4endl;
  }
}

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// Bosons
#include "G4ChargedGeantino.hh"
#include "G4Gamma.hh"
#include "G4Geantino.hh"

// leptons
#include "G4Electron.hh"
#include "G4MuonMinus.hh"
#include "G4MuonPlus.hh"
#include "G4Positron.hh"

// Mesons
#include "G4KaonMinus.hh"
#include "G4KaonPlus.hh"
#include "G4PionMinus.hh"
#include "G4PionPlus.hh"

// Baryons
#include "G4AntiNeutron.hh"
#include "G4AntiProton.hh"
#include "G4Neutron.hh"
#include "G4Proton.hh"

// Nuclei
#include "G4Alpha.hh"
#include "G4Deuteron.hh"
#include "G4GenericIon.hh"
#include "G4Triton.hh"

void PhysicsList::ConstructParticle()
{
  // pseudo-particles
  G4Geantino::GeantinoDefinition();
  G4ChargedGeantino::ChargedGeantinoDefinition();

  // gamma
  G4Gamma::GammaDefinition();

  // leptons
  G4Electron::ElectronDefinition();
  G4Positron::PositronDefinition();
  G4MuonPlus::MuonPlusDefinition();
  G4MuonMinus::MuonMinusDefinition();

  // mesons
  G4PionPlus::PionPlusDefinition();
  G4PionMinus::PionMinusDefinition();
  G4KaonPlus::KaonPlusDefinition();
  G4KaonMinus::KaonMinusDefinition();

  // baryons
  G4Proton::ProtonDefinition();
  G4AntiProton::AntiProtonDefinition();
  G4Neutron::NeutronDefinition();
  G4AntiNeutron::AntiNeutronDefinition();

  // ions
  G4Deuteron::DeuteronDefinition();
  G4Triton::TritonDefinition();
  G4Alpha::AlphaDefinition();
  G4GenericIon::GenericIonDefinition();
}

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void PhysicsList::ConstructProcess()
{
  AddTransportation();
  fEmPhysicsList->ConstructProcess();
  AddStepMax();
}

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#include "StepMax.hh"

#include "G4ProcessManager.hh"

void PhysicsList::AddStepMax()
{
  // Step limitation seen as a process
  StepMax* stepMaxProcess = new StepMax();

  auto particleIterator = GetParticleIterator();
  particleIterator->reset();
  while ((*particleIterator)()) {
    G4ParticleDefinition* particle = particleIterator->value();
    G4ProcessManager* pmanager = particle->GetProcessManager();

    if (stepMaxProcess->IsApplicable(*particle) && !particle->IsShortLived()) {
      pmanager->AddDiscreteProcess(stepMaxProcess);
    }
  }
}

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