PhysicsList.cc

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#include "PhysicsList.hh"

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

#include "HadronElasticPhysicsHP.hh"

#include "G4HadronPhysicsFTFP_BERT_HP.hh"
#include "G4HadronPhysicsQGSP_BIC_HP.hh"
#include "G4HadronPhysicsQGSP_BIC_AllHP.hh"
#include "G4HadronInelasticQBBC.hh"
#include "G4HadronPhysicsINCLXX.hh"

#include "G4IonElasticPhysics.hh"
#include "G4IonPhysicsXS.hh"
#include "G4IonPhysicsPHP.hh"
#include "G4IonINCLXXPhysics.hh"

#include "G4StoppingPhysics.hh"
#include "GammaNuclearPhysics.hh"

#include "ElectromagneticPhysics.hh"
#include "G4EmStandardPhysics.hh"
#include "G4DecayPhysics.hh"
#include "G4RadioactiveDecayPhysics.hh"

#include "G4Neutron.hh"
#include "G4ProcessManager.hh"
#include "G4HadronicInteraction.hh"

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PhysicsList::PhysicsList()
:G4VModularPhysicsList(),
 fHadronElastic(nullptr), fHadronInelastic(nullptr),
 fIonElastic(nullptr), fIonInelastic(nullptr),
 fGammaNuclear(nullptr), fElectromagnetic(nullptr),
 fDecay(nullptr), fRadioactiveDecay(nullptr)
{
  G4int verb = 0;
  SetVerboseLevel(verb);
  
  //add new units
  //
  new G4UnitDefinition( "millielectronVolt", "meV", "Energy", 1.e-3*eV);
  new G4UnitDefinition( "mm2/g",  "mm2/g", "Surface/Mass", mm2/g);
  new G4UnitDefinition( "um2/mg", "um2/mg","Surface/Mass", um*um/mg);
    
  // Hadron Elastic scattering
  fHadronElastic = new HadronElasticPhysicsHP(verb);
  RegisterPhysics(fHadronElastic);
  
  // Hadron Inelastic Physics
  fHadronInelastic = new G4HadronPhysicsQGSP_BIC_HP(verb);
  RegisterPhysics(fHadronInelastic);

  // Ion Elastic Physics
  fIonElastic = new G4IonElasticPhysics(verb);
  RegisterPhysics(fIonElastic);

  // Ion Inelastic Physics
  fIonInelastic = new G4IonPhysicsXS(verb);
  RegisterPhysics(fIonInelastic);

  // stopping Particles

  // Gamma-Nuclear Physics
  fGammaNuclear = new GammaNuclearPhysics("gamma");
  RegisterPhysics(fGammaNuclear);

  // EM physics
  fElectromagnetic = new ElectromagneticPhysics();
  RegisterPhysics(fElectromagnetic);

  // Decay
  fDecay = new G4DecayPhysics();
  RegisterPhysics(fDecay);

  // Radioactive decay
  fRadioactiveDecay = new G4RadioactiveDecayPhysics();
  RegisterPhysics(fRadioactiveDecay);
}

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PhysicsList::~PhysicsList()
{ }

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void PhysicsList::ConstructProcess()
{
  // Transportation first (mandatory)
  //
  AddTransportation();

  // Physics constructors
  //
  fHadronElastic->ConstructProcess();
  fHadronInelastic->ConstructProcess();
  fIonElastic->ConstructProcess();
  fIonInelastic->ConstructProcess();
  fGammaNuclear->ConstructProcess();
  fElectromagnetic->ConstructProcess();
  fDecay->ConstructProcess();
  fRadioactiveDecay->ConstructProcess();

  // example of GetHadronicModel (due to bug in QGSP_BIC_AllHP)
  //
  G4ProcessManager* pManager = G4Neutron::Neutron()->GetProcessManager();
  G4HadronicProcess* process
       = dynamic_cast<G4HadronicProcess*>(pManager->GetProcess("nCapture"));
  G4HadronicInteraction* model = process->GetHadronicModel("nRadCapture");
  if(model) model->SetMinEnergy(19.9*MeV);
}

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void PhysicsList::SetCuts()
{
  SetCutValue(0*mm, "proton");
  SetCutValue(10*km, "e-");
  SetCutValue(10*km, "e+");
  SetCutValue(10*km, "gamma");
}

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