G4EmStandardPhysicsWVI.cc

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//
//---------------------------------------------------------------------------
//
// ClassName:   G4EmStandardPhysicsWVI
//
// Author:      V.Ivanchenko 09.11.2005
//
// Modified:
// 05.12.2005 V.Ivanchenko add controlled verbosity
// 13.11.2006 V.Ivanchenko use G4hMultipleScattering
// 23.11.2006 V.Ivanchenko remove mscStepLimit option and improve cout
// 13.02.2007 V.Ivanchenko use G4hMultipleScattering for muons
// 13.02.2007 V.Ivanchenko set skin=0.0
// 21.04.2008 V.Ivanchenko add long-lived D and B mesons
//
//----------------------------------------------------------------------------
//
 
#include "G4EmStandardPhysicsWVI.hh"
#include "G4SystemOfUnits.hh"
#include "G4ParticleDefinition.hh"
#include "G4EmParameters.hh"
#include "G4EmBuilder.hh"
#include "G4LossTableManager.hh"
 
#include "G4ComptonScattering.hh"
#include "G4GammaConversion.hh"
#include "G4PhotoElectricEffect.hh"
#include "G4RayleighScattering.hh"
 
#include "G4KleinNishinaModel.hh"
#include "G4LivermorePhotoElectricModel.hh"
#include "G4eMultipleScattering.hh"
#include "G4hMultipleScattering.hh"
#include "G4CoulombScattering.hh"
#include "G4WentzelVIModel.hh"
#include "G4WentzelVIRelModel.hh"
#include "G4hCoulombScatteringModel.hh"
 
#include "G4eIonisation.hh"
#include "G4eBremsstrahlung.hh"
#include "G4eplusAnnihilation.hh"
#include "G4UAtomicDeexcitation.hh"
 
#include "G4hIonisation.hh"
#include "G4ionIonisation.hh"
#include "G4AtimaEnergyLossModel.hh"
#include "G4AtimaFluctuations.hh"
#include "G4IonParametrisedLossModel.hh"
#include "G4BraggIonModel.hh"
#include "G4NuclearStopping.hh"
#include "G4eplusTo2GammaOKVIModel.hh"
 
#include "G4Gamma.hh"
#include "G4Electron.hh"
#include "G4Positron.hh"
#include "G4GenericIon.hh"
 
#include "G4PhysicsListHelper.hh"
#include "G4BuilderType.hh"
#include "G4EmModelActivator.hh"
 
// factory
#include "G4PhysicsConstructorFactory.hh"
//
G4_DECLARE_PHYSCONSTR_FACTORY(G4EmStandardPhysicsWVI);
 
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 
G4EmStandardPhysicsWVI::G4EmStandardPhysicsWVI(G4int ver)
  : G4VPhysicsConstructor("G4EmStandardWVI"), verbose(ver)
{
  G4EmParameters* param = G4EmParameters::Instance();
  param->SetDefaults();
  param->SetVerbose(verbose);
  param->SetMinEnergy(10*CLHEP::eV);
  param->SetLowestElectronEnergy(10*CLHEP::eV);
  param->SetNumberOfBinsPerDecade(20);
  param->ActivateAngularGeneratorForIonisation(true);
  param->SetStepFunction(0.2, 100*CLHEP::um);
  param->SetStepFunctionMuHad(0.2, 50*CLHEP::um);
  param->SetStepFunctionLightIons(0.1, 20*CLHEP::um);
  param->SetStepFunctionIons(0.1, 1*CLHEP::um);
  param->SetUseMottCorrection(true);
  param->SetMuHadLateralDisplacement(true);
  param->SetMscThetaLimit(0.15);
  param->SetFluo(true);
  SetPhysicsType(bElectromagnetic);
}
 
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 
G4EmStandardPhysicsWVI::~G4EmStandardPhysicsWVI()
{}
 
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 
void G4EmStandardPhysicsWVI::ConstructParticle()
{
  // minimal set of particles for EM physics
  G4EmBuilder::ConstructMinimalEmSet();
}
 
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 
void G4EmStandardPhysicsWVI::ConstructProcess()
{
  if(verbose > 1) {
    G4cout << "### " << GetPhysicsName() << " Construct Processes " << G4endl;
  }
  G4EmBuilder::PrepareEMPhysics();
  G4PhysicsListHelper* ph = G4PhysicsListHelper::GetPhysicsListHelper();
 
  // common processes
  G4hMultipleScattering* hmsc = new G4hMultipleScattering("ionmsc");
  G4NuclearStopping* pnuc(nullptr);
 
  // Add gamma EM processes
  G4ParticleDefinition* particle = G4Gamma::Gamma();
 
  G4PhotoElectricEffect* pee = new G4PhotoElectricEffect();
  pee->SetEmModel(new G4LivermorePhotoElectricModel());
 
  G4ComptonScattering* cs = new G4ComptonScattering;
  cs->SetEmModel(new G4KleinNishinaModel());
 
  ph->RegisterProcess(pee, particle);
  ph->RegisterProcess(cs, particle);
  ph->RegisterProcess(new G4GammaConversion(), particle);
  ph->RegisterProcess(new G4RayleighScattering(), particle);
 
  // e-
  particle = G4Electron::Electron();
 
  G4eMultipleScattering* msc = new G4eMultipleScattering;
  msc->SetEmModel(new G4WentzelVIModel());
  G4CoulombScattering* ss = new G4CoulombScattering();
 
  ph->RegisterProcess(msc, particle);
  ph->RegisterProcess(new G4eIonisation(), particle);
  ph->RegisterProcess(new G4eBremsstrahlung(), particle);
  ph->RegisterProcess(ss, particle);
 
  // e+
  particle = G4Positron::Positron();
 
  msc = new G4eMultipleScattering;
  msc->SetEmModel(new G4WentzelVIModel());
  ss = new G4CoulombScattering();
 
  G4eplusAnnihilation* ann = new G4eplusAnnihilation();
  ann->SetEmModel(new G4eplusTo2GammaOKVIModel());
 
  ph->RegisterProcess(msc, particle);
  ph->RegisterProcess(new G4eIonisation(), particle);
  ph->RegisterProcess(new G4eBremsstrahlung(), particle);
  ph->RegisterProcess(ann, particle);
  ph->RegisterProcess(ss, particle);
 
  // generic ion
  particle = G4GenericIon::GenericIon();
  G4ionIonisation* ionIoni = new G4ionIonisation();
  ionIoni->SetEmModel(new G4BraggIonModel(),0);
  ionIoni->SetEmModel(new G4AtimaEnergyLossModel(),1);
  ionIoni->SetFluctModel(new G4AtimaFluctuations());
  ph->RegisterProcess(hmsc, particle);
  ph->RegisterProcess(ionIoni, particle);
 
  // muons, hadrons, ions
  G4EmBuilder::ConstructCharged(hmsc, pnuc);
 
  // extra configuration
  G4EmModelActivator mact(GetPhysicsName());
}
 
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......