examples/extended/radioactivedecay/rdecay01/src/PhysicsList.cc

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//
// $Id: PhysicsList.cc 108902 2018-03-15 14:51:23Z gcosmo $
// 
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#include "PhysicsList.hh"
#include "G4UnitsTable.hh"
#include "G4ParticleTypes.hh"
#include "G4IonConstructor.hh"
#include "G4PhysicsListHelper.hh"
#include "G4RadioactiveDecay.hh"
#include "G4SystemOfUnits.hh"
#include "G4NuclideTable.hh"
#include "G4LossTableManager.hh"
#include "G4UAtomicDeexcitation.hh"
#include "G4NuclearLevelData.hh"
#include "G4DeexPrecoParameters.hh"
#include "G4NuclideTable.hh"

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PhysicsList::PhysicsList()
: G4VUserPhysicsList()
{
  //add new units for radioActive decays
  // 
  const G4double minute = 60*second;
  const G4double hour   = 60*minute;
  const G4double day    = 24*hour;
  const G4double year   = 365*day;
  new G4UnitDefinition("minute", "min", "Time", minute);
  new G4UnitDefinition("hour",   "h",   "Time", hour);
  new G4UnitDefinition("day",    "d",   "Time", day);
  new G4UnitDefinition("year",   "y",   "Time", year);

  // mandatory for G4NuclideTable
  //
  G4NuclideTable::GetInstance()->SetThresholdOfHalfLife(0.1*picosecond);
  G4NuclideTable::GetInstance()->SetLevelTolerance(1.0*eV);

  //read new PhotonEvaporation data set 
  //
  G4DeexPrecoParameters* deex = 
    G4NuclearLevelData::GetInstance()->GetParameters();
  deex->SetCorrelatedGamma(false);
  deex->SetStoreAllLevels(true);
  deex->SetMaxLifeTime(G4NuclideTable::GetInstance()->GetThresholdOfHalfLife()
                /std::log(2.));
}

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PhysicsList::~PhysicsList()
{ }

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void PhysicsList::ConstructParticle()
{
  // pseudo-particles
  G4Geantino::GeantinoDefinition();
  
  // gamma
  G4Gamma::GammaDefinition();

  // leptons
  G4Electron::ElectronDefinition();
  G4Positron::PositronDefinition();

  G4NeutrinoE::NeutrinoEDefinition();
  G4AntiNeutrinoE::AntiNeutrinoEDefinition();
  
  // baryons
  G4Proton::ProtonDefinition();
  G4Neutron::NeutronDefinition();  

  // ions
  G4IonConstructor iConstructor;
  iConstructor.ConstructParticle();  
}

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void PhysicsList::ConstructProcess()
{
  AddTransportation();

  G4RadioactiveDecay* radioactiveDecay = new G4RadioactiveDecay();

  G4bool ARMflag = false;
  radioactiveDecay->SetARM(ARMflag);        //Atomic Rearangement

  // need to initialize atomic deexcitation
  //
  G4LossTableManager* man = G4LossTableManager::Instance();
  G4VAtomDeexcitation* deex = man->AtomDeexcitation();
  if (!deex) {
     G4EmParameters::Instance()->SetAugerCascade(ARMflag);
     deex = new G4UAtomicDeexcitation();
     deex->InitialiseAtomicDeexcitation();
     man->SetAtomDeexcitation(deex);
  }

  // register radioactiveDecay
  //
  G4PhysicsListHelper* ph = G4PhysicsListHelper::GetPhysicsListHelper();
  ph->RegisterProcess(radioactiveDecay, G4GenericIon::GenericIon());

  //printout
  //
  G4cout << "\n  Set atomic relaxation mode " << ARMflag << G4endl;
}

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void PhysicsList::SetCuts()
{
  SetCutsWithDefault();
}

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