G4EmLowEPPhysics Class Reference

#include <G4EmLowEPPhysics.hh>

Inheritance diagram for G4EmLowEPPhysics:

Collaboration diagram for G4EmLowEPPhysics:

Public Member Functions
	G4EmLowEPPhysics (G4int ver=1)
	G4EmLowEPPhysics (G4int ver, const G4String &name)
virtual	~G4EmLowEPPhysics ()
virtual void	ConstructParticle ()
virtual void	ConstructProcess ()
Public Member Functions inherited from G4VPhysicsConstructor
	G4VPhysicsConstructor (const G4String &="")
	G4VPhysicsConstructor (const G4String &name, G4int physics_type)
virtual	~G4VPhysicsConstructor ()
void	SetPhysicsName (const G4String &="")
const G4String &	GetPhysicsName () const
void	SetPhysicsType (G4int)
G4int	GetPhysicsType () const
void	SetVerboseLevel (G4int value)
G4int	GetVerboseLevel () const
G4int	GetInstanceID () const

Private Attributes
G4int	verbose

Additional Inherited Members
Static Public Member Functions inherited from G4VPhysicsConstructor
static const G4VPCManager &	GetSubInstanceManager ()
Protected Member Functions inherited from G4VPhysicsConstructor
G4bool	RegisterProcess (G4VProcess *process, G4ParticleDefinition *particle)
G4ParticleTable::G4PTblDicIterator *	GetParticleIterator () const
Protected Attributes inherited from G4VPhysicsConstructor
G4int	verboseLevel
G4String	namePhysics
G4int	typePhysics
G4ParticleTable *	theParticleTable
G4int	g4vpcInstanceID
Static Protected Attributes inherited from G4VPhysicsConstructor
static G4RUN_DLL G4VPCManager	subInstanceManager

Detailed Description

Definition at line 35 of file G4EmLowEPPhysics.hh.

Constructor & Destructor Documentation

G4EmLowEPPhysics() [1/2]

G4EmLowEPPhysics::G4EmLowEPPhysics

(

G4int

ver = 1

)

Definition at line 126 of file G4EmLowEPPhysics.cc.

  : G4VPhysicsConstructor("G4EmLowEPPhysics"), verbose(ver)
{
  G4EmParameters* param = G4EmParameters::Instance();
  param->SetDefaults();
  param->SetVerbose(verbose);
  param->SetMinEnergy(100*eV);
  param->SetMaxEnergy(10*TeV);
  param->SetLowestElectronEnergy(100*eV);
  param->SetNumberOfBinsPerDecade(20);
  param->ActivateAngularGeneratorForIonisation(true);
  param->SetFluo(true);
  SetPhysicsType(bElectromagnetic);
}

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G4EmLowEPPhysics() [2/2]

G4EmLowEPPhysics::G4EmLowEPPhysics	(	G4int	ver,
		const G4String &	name
	)

Definition at line 143 of file G4EmLowEPPhysics.cc.

  : G4VPhysicsConstructor("G4EmLowEPPhysics"), verbose(ver)
{
  G4EmParameters* param = G4EmParameters::Instance();
  param->SetDefaults();
  param->SetVerbose(verbose);
  param->SetMinEnergy(100*eV);
  param->SetMaxEnergy(10*TeV);
  param->SetLowestElectronEnergy(100*eV);
  param->SetNumberOfBinsPerDecade(20);
  param->ActivateAngularGeneratorForIonisation(true);
  param->SetFluo(true);
  SetPhysicsType(bElectromagnetic);
}

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~G4EmLowEPPhysics()

G4EmLowEPPhysics::~G4EmLowEPPhysics ( )

virtual

Definition at line 160 of file G4EmLowEPPhysics.cc.

{}

Member Function Documentation

ConstructParticle()

void G4EmLowEPPhysics::ConstructParticle ( void  )

virtual

Implements G4VPhysicsConstructor.

Definition at line 165 of file G4EmLowEPPhysics.cc.

{
  // gamma
  G4Gamma::Gamma();

  // leptons
  G4Electron::Electron();
  G4Positron::Positron();
  G4MuonPlus::MuonPlus();
  G4MuonMinus::MuonMinus();

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

  // baryons
  G4Proton::Proton();
  G4AntiProton::AntiProton();

  // ions
  G4Deuteron::Deuteron();
  G4Triton::Triton();
  G4He3::He3();
  G4Alpha::Alpha();
  G4GenericIon::GenericIonDefinition();

  // dna
  G4EmModelActivator mact;
  mact.ConstructParticle();
}

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ConstructProcess()

void G4EmLowEPPhysics::ConstructProcess ( void  )

virtual

Implements G4VPhysicsConstructor.

Definition at line 200 of file G4EmLowEPPhysics.cc.

{
  G4PhysicsListHelper* ph = G4PhysicsListHelper::GetPhysicsListHelper();

  // muon & hadron bremsstrahlung and pair production
  G4MuBremsstrahlung* mub = new G4MuBremsstrahlung();
  G4MuPairProduction* mup = new G4MuPairProduction();
  G4hBremsstrahlung* pib = new G4hBremsstrahlung();
  G4hPairProduction* pip = new G4hPairProduction();
  G4hBremsstrahlung* kb = new G4hBremsstrahlung();
  G4hPairProduction* kp = new G4hPairProduction();
  G4hBremsstrahlung* pb = new G4hBremsstrahlung();
  G4hPairProduction* pp = new G4hPairProduction();

  // muon & hadron multiple scattering
  G4MuMultipleScattering* mumsc = new G4MuMultipleScattering();
  mumsc->SetEmModel(new G4LowEWentzelVIModel());
  G4hMultipleScattering* hmsc = new G4hMultipleScattering();
  hmsc->SetEmModel(new G4LowEWentzelVIModel());
  G4hMultipleScattering* pmsc = new G4hMultipleScattering();
  pmsc->SetEmModel(new G4LowEWentzelVIModel());
  G4hMultipleScattering* pimsc = new G4hMultipleScattering();
  pimsc->SetEmModel(new G4LowEWentzelVIModel());
  G4hMultipleScattering* kmsc = new G4hMultipleScattering();
  kmsc->SetEmModel(new G4LowEWentzelVIModel());

  // nuclear stopping
  G4NuclearStopping* ionnuc = new G4NuclearStopping();
  G4NuclearStopping* pnuc = new G4NuclearStopping();

  // Add Livermore EM Processes
  auto myParticleIterator=GetParticleIterator();
  myParticleIterator->reset();

  while( (*myParticleIterator)() ){
  
    G4ParticleDefinition* particle = myParticleIterator->value();
    G4String particleName = particle->GetParticleName();
    
    if(verbose > 1)
      G4cout << "### " << GetPhysicsName() << " instantiates for " 
         << particleName << G4endl;

    if (particleName == "gamma") {

      // Photoelectric effect - Livermore model only
      G4PhotoElectricEffect* thePhotoElectricEffect = new G4PhotoElectricEffect();
      thePhotoElectricEffect->SetEmModel(new G4LivermorePhotoElectricModel(), 1);
      ph->RegisterProcess(thePhotoElectricEffect, particle);

      // Compton scattering - Livermore model above 20 MeV, Monarsh's model below 
      G4ComptonScattering* theComptonScattering = new G4ComptonScattering();
      theComptonScattering->SetEmModel(new G4LivermoreComptonModel(),1);
      G4LowEPComptonModel* theLowEPComptonModel = 
    new G4LowEPComptonModel();
      theLowEPComptonModel->SetHighEnergyLimit(20*MeV);
      theComptonScattering->AddEmModel(0, theLowEPComptonModel);
      ph->RegisterProcess(theComptonScattering, particle);

      // gamma conversion - Livermore model below 80 GeV
      G4GammaConversion* theGammaConversion = new G4GammaConversion();
      theGammaConversion->SetEmModel(new G4LivermoreGammaConversionModel(),1);
      ph->RegisterProcess(theGammaConversion, particle);

      // default Rayleigh scattering is Livermore
      G4RayleighScattering* theRayleigh = new G4RayleighScattering();
      ph->RegisterProcess(theRayleigh, particle);

    } else if (particleName == "e-") {

      // multiple scattering
      G4eMultipleScattering* msc = new G4eMultipleScattering();
      msc->SetEmModel(new G4LowEWentzelVIModel(), 1);

      // Ionisation - Livermore should be used only for low energies
      G4eIonisation* eIoni = new G4eIonisation();
      G4LivermoreIonisationModel* theIoniLivermore = new
        G4LivermoreIonisationModel();
      theIoniLivermore->SetHighEnergyLimit(0.1*MeV); 
      eIoni->AddEmModel(0, theIoniLivermore, new G4UniversalFluctuation() );
      eIoni->SetStepFunction(0.2, 100*um); //     

      // Bremsstrahlung
      G4eBremsstrahlung* eBrem = new G4eBremsstrahlung();
      G4VEmModel* theBrem = new G4SeltzerBergerModel();
      theBrem->SetHighEnergyLimit(1*GeV);
      theBrem->SetAngularDistribution(new G4Generator2BS());
      eBrem->SetEmModel(theBrem, 1);
 
      // register processes
      ph->RegisterProcess(msc, particle);
      ph->RegisterProcess(eIoni, particle);
      ph->RegisterProcess(eBrem, particle);

    } else if (particleName == "e+") {

      // multiple scattering
      G4eMultipleScattering* msc = new G4eMultipleScattering();
      msc->SetEmModel(new G4LowEWentzelVIModel(), 1);

      // Standard ionisation 
      G4eIonisation* eIoni = new G4eIonisation();
      eIoni->SetStepFunction(0.2, 100*um);      

      // Bremsstrahlung
      G4eBremsstrahlung* eBrem = new G4eBremsstrahlung();
      G4VEmModel* theBrem = new G4SeltzerBergerModel();
      theBrem->SetHighEnergyLimit(1*GeV);
      theBrem->SetAngularDistribution(new G4Generator2BS());
      eBrem->SetEmModel(theBrem, 1);

      // register processes
      ph->RegisterProcess(msc, particle);
      ph->RegisterProcess(eIoni, particle);
      ph->RegisterProcess(eBrem, particle);
      ph->RegisterProcess(new G4eplusAnnihilation(), particle);

    } else if (particleName == "mu+" ||
               particleName == "mu-"    ) {

      G4MuIonisation* muIoni = new G4MuIonisation();
      muIoni->SetStepFunction(0.2, 50*um);          

      ph->RegisterProcess(mumsc, particle);
      ph->RegisterProcess(muIoni, particle);
      ph->RegisterProcess(mub, particle);
      ph->RegisterProcess(mup, particle);
      //ph->RegisterProcess(new G4CoulombScattering(), particle);

    } else if (particleName == "alpha" ||
               particleName == "He3" ) {
      
      G4ionIonisation* ionIoni = new G4ionIonisation();
      ionIoni->SetStepFunction(0.1, 10*um);

      ph->RegisterProcess(hmsc, particle);
      ph->RegisterProcess(ionIoni, particle);
      ph->RegisterProcess(ionnuc, particle);

    } else if (particleName == "GenericIon") {
      
      G4ionIonisation* ionIoni = new G4ionIonisation();
      ionIoni->SetEmModel(new G4IonParametrisedLossModel());
      ionIoni->SetStepFunction(0.1, 1*um);

      ph->RegisterProcess(hmsc, particle);
      ph->RegisterProcess(ionIoni, particle);
      ph->RegisterProcess(ionnuc, particle);

    } else if (particleName == "pi+" ||
               particleName == "pi-" ) {

      G4hIonisation* hIoni = new G4hIonisation();
      hIoni->SetStepFunction(0.2, 50*um);

      ph->RegisterProcess(pimsc, particle);
      ph->RegisterProcess(hIoni, particle);
      ph->RegisterProcess(pib, particle);
      ph->RegisterProcess(pip, particle);

    } else if (particleName == "kaon+" ||
               particleName == "kaon-" ) {

      G4hIonisation* hIoni = new G4hIonisation();
      hIoni->SetStepFunction(0.2, 50*um);

      ph->RegisterProcess(kmsc, particle);
      ph->RegisterProcess(hIoni, particle);
      ph->RegisterProcess(kb, particle);
      ph->RegisterProcess(kp, particle);

    } else if (particleName == "proton" ||
           particleName == "anti_proton") {

      G4hIonisation* hIoni = new G4hIonisation();
      hIoni->SetStepFunction(0.2, 50*um);

      ph->RegisterProcess(pmsc, particle);
      ph->RegisterProcess(hIoni, particle);
      ph->RegisterProcess(pb, particle);
      ph->RegisterProcess(pp, particle);
      ph->RegisterProcess(pnuc, particle);

    } else if (particleName == "B+" ||
           particleName == "B-" ||
           particleName == "D+" ||
           particleName == "D-" ||
           particleName == "Ds+" ||
           particleName == "Ds-" ||
               particleName == "anti_He3" ||
               particleName == "anti_alpha" ||
               particleName == "anti_deuteron" ||
               particleName == "anti_lambda_c+" ||
               particleName == "anti_omega-" ||
               particleName == "anti_sigma_c+" ||
               particleName == "anti_sigma_c++" ||
               particleName == "anti_sigma+" ||
               particleName == "anti_sigma-" ||
               particleName == "anti_triton" ||
               particleName == "anti_xi_c+" ||
               particleName == "anti_xi-" ||
               particleName == "deuteron" ||
           particleName == "lambda_c+" ||
               particleName == "omega-" ||
               particleName == "sigma_c+" ||
               particleName == "sigma_c++" ||
               particleName == "sigma+" ||
               particleName == "sigma-" ||
               particleName == "tau+" ||
               particleName == "tau-" ||
               particleName == "triton" ||
               particleName == "xi_c+" ||
               particleName == "xi-" ) {
      
      ph->RegisterProcess(hmsc, particle);
      ph->RegisterProcess(new G4hIonisation(), particle);
    }
  }

  // Nuclear stopping
  pnuc->SetMaxKinEnergy(MeV);
      
  // Deexcitation
  //
  G4VAtomDeexcitation* de = new G4UAtomicDeexcitation();
  G4LossTableManager::Instance()->SetAtomDeexcitation(de);

  G4EmModelActivator mact;
  mact.ConstructProcess();
}

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Member Data Documentation

verbose

G4int G4EmLowEPPhysics::verbose

private

Definition at line 50 of file G4EmLowEPPhysics.hh.

---

The documentation for this class was generated from the following files:

• G4EmLowEPPhysics.hh
• G4EmLowEPPhysics.cc