G4PEEffectModel Class Reference

#include <G4PEEffectModel.hh>

Inheritance diagram for G4PEEffectModel:

Public Member Functions
	G4PEEffectModel (const G4ParticleDefinition *p=0, const G4String &nam="PhotoElectric")
virtual	~G4PEEffectModel ()
virtual void	Initialise (const G4ParticleDefinition *, const G4DataVector &)
virtual G4double	ComputeCrossSectionPerAtom (const G4ParticleDefinition *, G4double kinEnergy, G4double Z, G4double A, G4double, G4double)
virtual G4double	CrossSectionPerVolume (const G4Material *, const G4ParticleDefinition *, G4double kineticEnergy, G4double cutEnergy, G4double maxEnergy)
virtual void	SampleSecondaries (std::vector< G4DynamicParticle * > *, const G4MaterialCutsCouple *, const G4DynamicParticle *, G4double tmin, G4double maxEnergy)
Public Member Functions inherited from G4VEmModel
	G4VEmModel (const G4String &nam)
virtual	~G4VEmModel ()
virtual void	Initialise (const G4ParticleDefinition *, const G4DataVector &)=0
virtual void	SampleSecondaries (std::vector< G4DynamicParticle * > *, const G4MaterialCutsCouple *, const G4DynamicParticle *, G4double tmin=0.0, G4double tmax=DBL_MAX)=0
virtual G4double	ComputeDEDXPerVolume (const G4Material *, const G4ParticleDefinition *, G4double kineticEnergy, G4double cutEnergy=DBL_MAX)
virtual G4double	CrossSectionPerVolume (const G4Material *, const G4ParticleDefinition *, G4double kineticEnergy, G4double cutEnergy=0.0, G4double maxEnergy=DBL_MAX)
virtual G4double	ComputeCrossSectionPerAtom (const G4ParticleDefinition *, G4double kinEnergy, G4double Z, G4double A=0., G4double cutEnergy=0.0, G4double maxEnergy=DBL_MAX)
virtual G4double	ChargeSquareRatio (const G4Track &)
virtual G4double	GetChargeSquareRatio (const G4ParticleDefinition *, const G4Material *, G4double kineticEnergy)
virtual G4double	GetParticleCharge (const G4ParticleDefinition *, const G4Material *, G4double kineticEnergy)
virtual void	StartTracking (G4Track *)
virtual void	CorrectionsAlongStep (const G4MaterialCutsCouple *, const G4DynamicParticle *, G4double &eloss, G4double &niel, G4double length)
virtual G4double	Value (const G4MaterialCutsCouple *, const G4ParticleDefinition *, G4double kineticEnergy)
virtual G4double	MinPrimaryEnergy (const G4Material *, const G4ParticleDefinition *)
virtual void	SetupForMaterial (const G4ParticleDefinition *, const G4Material *, G4double kineticEnergy)
virtual void	DefineForRegion (const G4Region *)
void	InitialiseElementSelectors (const G4ParticleDefinition *, const G4DataVector &)
G4double	ComputeDEDX (const G4MaterialCutsCouple *, const G4ParticleDefinition *, G4double kineticEnergy, G4double cutEnergy=DBL_MAX)
G4double	CrossSection (const G4MaterialCutsCouple *, const G4ParticleDefinition *, G4double kineticEnergy, G4double cutEnergy=0.0, G4double maxEnergy=DBL_MAX)
G4double	ComputeMeanFreePath (const G4ParticleDefinition *, G4double kineticEnergy, const G4Material *, G4double cutEnergy=0.0, G4double maxEnergy=DBL_MAX)
G4double	ComputeCrossSectionPerAtom (const G4ParticleDefinition *, const G4Element *, G4double kinEnergy, G4double cutEnergy=0.0, G4double maxEnergy=DBL_MAX)
G4int	SelectIsotopeNumber (const G4Element *)
const G4Element *	SelectRandomAtom (const G4MaterialCutsCouple *, const G4ParticleDefinition *, G4double kineticEnergy, G4double cutEnergy=0.0, G4double maxEnergy=DBL_MAX)
const G4Element *	SelectRandomAtom (const G4Material *, const G4ParticleDefinition *, G4double kineticEnergy, G4double cutEnergy=0.0, G4double maxEnergy=DBL_MAX)
void	SetParticleChange (G4VParticleChange *, G4VEmFluctuationModel *f=0)
void	SetCrossSectionTable (G4PhysicsTable *)
G4PhysicsTable *	GetCrossSectionTable ()
G4VEmFluctuationModel *	GetModelOfFluctuations ()
G4VEmAngularDistribution *	GetAngularDistribution ()
void	SetAngularDistribution (G4VEmAngularDistribution *)
G4double	HighEnergyLimit () const
G4double	LowEnergyLimit () const
G4double	HighEnergyActivationLimit () const
G4double	LowEnergyActivationLimit () const
G4double	PolarAngleLimit () const
G4double	SecondaryThreshold () const
G4bool	LPMFlag () const
G4bool	DeexcitationFlag () const
G4bool	ForceBuildTableFlag () const
void	SetHighEnergyLimit (G4double)
void	SetLowEnergyLimit (G4double)
void	SetActivationHighEnergyLimit (G4double)
void	SetActivationLowEnergyLimit (G4double)
G4bool	IsActive (G4double kinEnergy)
void	SetPolarAngleLimit (G4double)
void	SetSecondaryThreshold (G4double)
void	SetLPMFlag (G4bool val)
void	SetDeexcitationFlag (G4bool val)
void	ForceBuildTable (G4bool val)
G4double	MaxSecondaryKinEnergy (const G4DynamicParticle *dynParticle)
const G4String &	GetName () const
void	SetCurrentCouple (const G4MaterialCutsCouple *)
const G4Element *	GetCurrentElement () const

Additional Inherited Members
Protected Member Functions inherited from G4VEmModel
G4ParticleChangeForLoss *	GetParticleChangeForLoss ()
G4ParticleChangeForGamma *	GetParticleChangeForGamma ()
virtual G4double	MaxSecondaryEnergy (const G4ParticleDefinition *, G4double kineticEnergy)
const G4MaterialCutsCouple *	CurrentCouple () const
void	SetCurrentElement (const G4Element *)
Protected Attributes inherited from G4VEmModel
G4VParticleChange *	pParticleChange
G4PhysicsTable *	xSectionTable
const std::vector< G4double > *	theDensityFactor
const std::vector< G4int > *	theDensityIdx

Detailed Description

Definition at line 61 of file G4PEEffectModel.hh.

Constructor & Destructor Documentation

G4PEEffectModel()

G4PEEffectModel::G4PEEffectModel	(	const G4ParticleDefinition *	p = 0,
		const G4String &	nam = "PhotoElectric"
	)

Definition at line 66 of file G4PEEffectModel.cc.

  : G4VEmModel(nam)
{
  G4cout << "### G4PEEffectModel is obsolete "
     << "and will be removed for the next release." << G4endl;
 
  theGamma    = G4Gamma::Gamma();
  theElectron = G4Electron::Electron();
  fminimalEnergy = 1.0*eV;
  fParticleChange = 0;
 
  // default generator
  SetAngularDistribution(new G4SauterGavrilaAngularDistribution());
}

~G4PEEffectModel()

G4PEEffectModel::~G4PEEffectModel ( )

virtual

Definition at line 84 of file G4PEEffectModel.cc.

{}

Member Function Documentation

ComputeCrossSectionPerAtom()

G4double G4PEEffectModel::ComputeCrossSectionPerAtom ( const G4ParticleDefinition *  , G4double  kinEnergy, G4double  Z, G4double  A, G4double  , G4double    )

virtual

Reimplemented from G4VEmModel.

Definition at line 99 of file G4PEEffectModel.cc.

{
  G4double* SandiaCof = G4SandiaTable::GetSandiaCofPerAtom((G4int)Z, energy);
 
  G4double energy2 = energy*energy;
  G4double energy3 = energy*energy2;
  G4double energy4 = energy2*energy2;
 
  return SandiaCof[0]/energy  + SandiaCof[1]/energy2 +
    SandiaCof[2]/energy3 + SandiaCof[3]/energy4;
}

Referenced by G4AdjointPhotoElectricModel::AdjointCrossSectionPerAtom().

CrossSectionPerVolume()

G4double G4PEEffectModel::CrossSectionPerVolume ( const G4Material *  material, const G4ParticleDefinition *  , G4double  kineticEnergy, G4double  cutEnergy, G4double  maxEnergy  )

virtual

Reimplemented from G4VEmModel.

Definition at line 116 of file G4PEEffectModel.cc.

{
  G4double* SandiaCof = 
    material->GetSandiaTable()->GetSandiaCofForMaterial(energy);
                
  G4double energy2 = energy*energy;
  G4double energy3 = energy*energy2;
  G4double energy4 = energy2*energy2;
      
  return SandiaCof[0]/energy  + SandiaCof[1]/energy2 +
    SandiaCof[2]/energy3 + SandiaCof[3]/energy4; 
}

Initialise()

void G4PEEffectModel::Initialise ( const G4ParticleDefinition *  , const G4DataVector &    )

virtual

Implements G4VEmModel.

Definition at line 89 of file G4PEEffectModel.cc.

{
  // always false before the run
  SetDeexcitationFlag(false);
  if(!fParticleChange) { fParticleChange = GetParticleChangeForGamma(); }
}

SampleSecondaries()

void G4PEEffectModel::SampleSecondaries ( std::vector< G4DynamicParticle * > *  fvect, const G4MaterialCutsCouple *  couple, const G4DynamicParticle *  aDynamicPhoton, G4double  tmin, G4double  maxEnergy  )

virtual

Implements G4VEmModel.

Definition at line 134 of file G4PEEffectModel.cc.

{
  const G4Material* aMaterial = couple->GetMaterial();
 
  G4double energy = aDynamicPhoton->GetKineticEnergy();
  G4ParticleMomentum PhotonDirection = aDynamicPhoton->GetMomentumDirection();
 
  // select randomly one element constituing the material.
  const G4Element* anElement = SelectRandomAtom(aMaterial,theGamma,energy);
  
  //
  // Photo electron
  //
 
  // Select atomic shell
  G4int nShells = anElement->GetNbOfAtomicShells();
  G4int i  = 0;  
  while ((i<nShells) && (energy<anElement->GetAtomicShell(i))) { ++i; }
 
  G4double edep = energy;
 
  // no shell available
  if (i < nShells) {
  
    G4double bindingEnergy = anElement->GetAtomicShell(i);
    G4double elecKineEnergy = energy - bindingEnergy;
 
    if (elecKineEnergy > fminimalEnergy) {
 
      edep = bindingEnergy;
      G4ThreeVector elecDirection =
    GetAngularDistribution()->SampleDirection(aDynamicPhoton, 
                          elecKineEnergy,
                          i, 
                          couple->GetMaterial());
 
      G4DynamicParticle* aParticle = 
    new G4DynamicParticle(theElectron, elecDirection, elecKineEnergy);
      fvect->push_back(aParticle);
 
    } 
  }
    
  fParticleChange->SetProposedKineticEnergy(0.);
  fParticleChange->ProposeTrackStatus(fStopAndKill);
  if(edep > 0.0) {
    fParticleChange->ProposeLocalEnergyDeposit(edep);
  }
}

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

• G4PEEffectModel.hh
• G4PEEffectModel.cc