G4hBremsstrahlungModel Class Reference

#include <G4hBremsstrahlungModel.hh>

Inheritance diagram for G4hBremsstrahlungModel:

Public Member Functions
	G4hBremsstrahlungModel (const G4ParticleDefinition *p=0, const G4String &nam="hBrem")
virtual	~G4hBremsstrahlungModel ()
Public Member Functions inherited from G4MuBremsstrahlungModel
	G4MuBremsstrahlungModel (const G4ParticleDefinition *p=0, const G4String &nam="MuBrem")
virtual	~G4MuBremsstrahlungModel ()
virtual void	Initialise (const G4ParticleDefinition *, const G4DataVector &)
virtual G4double	MinEnergyCut (const G4ParticleDefinition *, const G4MaterialCutsCouple *)
virtual G4double	ComputeCrossSectionPerAtom (const G4ParticleDefinition *, G4double kineticEnergy, G4double Z, G4double A, G4double cutEnergy, G4double maxEnergy)
virtual G4double	ComputeDEDXPerVolume (const G4Material *, const G4ParticleDefinition *, G4double kineticEnergy, G4double cutEnergy)
virtual void	SampleSecondaries (std::vector< G4DynamicParticle * > *, const G4MaterialCutsCouple *, const G4DynamicParticle *, G4double tmin, G4double maxEnergy)
void	SetLowestKineticEnergy (G4double e)
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

Protected Member Functions
virtual G4double	ComputeDMicroscopicCrossSection (G4double tkin, G4double Z, G4double gammaEnergy)
Protected Member Functions inherited from G4MuBremsstrahlungModel
G4double	ComputMuBremLoss (G4double Z, G4double tkin, G4double cut)
G4double	ComputeMicroscopicCrossSection (G4double tkin, G4double Z, G4double cut)
virtual G4double	ComputeDMicroscopicCrossSection (G4double tkin, G4double Z, G4double gammaEnergy)
void	SetParticle (const G4ParticleDefinition *)
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 *)

Additional Inherited Members
Protected Attributes inherited from G4MuBremsstrahlungModel
const G4ParticleDefinition *	particle
G4NistManager *	nist
G4double	mass
G4double	rmass
G4double	cc
G4double	coeff
G4double	sqrte
G4double	bh
G4double	bh1
G4double	btf
G4double	btf1
Protected Attributes inherited from G4VEmModel
G4VParticleChange *	pParticleChange
G4PhysicsTable *	xSectionTable
const std::vector< G4double > *	theDensityFactor
const std::vector< G4int > *	theDensityIdx

Detailed Description

Definition at line 56 of file G4hBremsstrahlungModel.hh.

Constructor & Destructor Documentation

G4hBremsstrahlungModel()

G4hBremsstrahlungModel::G4hBremsstrahlungModel	(	const G4ParticleDefinition *	p = 0,
		const G4String &	nam = "hBrem"
	)

Definition at line 57 of file G4hBremsstrahlungModel.cc.

  : G4MuBremsstrahlungModel(p, nam)
{}

~G4hBremsstrahlungModel()

G4hBremsstrahlungModel::~G4hBremsstrahlungModel ( )

virtual

Definition at line 64 of file G4hBremsstrahlungModel.cc.

{}

Member Function Documentation

ComputeDMicroscopicCrossSection()

G4double G4hBremsstrahlungModel::ComputeDMicroscopicCrossSection ( G4double  tkin, G4double  Z, G4double  gammaEnergy  )

protectedvirtual

Reimplemented from G4MuBremsstrahlungModel.

Definition at line 69 of file G4hBremsstrahlungModel.cc.

{
  G4double dxsection = 0.;
 
  if( gammaEnergy > tkin) return dxsection ;
  //  G4cout << "G4hBremsstrahlungModel m= " << mass 
  //     << "  " << particle->GetParticleName() << G4endl;
  G4double E = tkin + mass ;
  G4double v = gammaEnergy/E ;
  G4double delta = 0.5*mass*mass*v/(E-gammaEnergy) ;
  G4double rab0=delta*sqrte ;
 
  G4int iz = G4int(Z);
  if(iz < 1) iz = 1;
 
  G4double z13 = 1.0/nist->GetZ13(iz);
  G4double dn  = mass*nist->GetA27(iz)/(70.*MeV);
 
  G4double    b = btf;
  if(1 == iz) b = bh;
 
  // nucleus contribution logarithm
  G4double rab1=b*z13;
  G4double fn=log(rab1/(dn*(electron_mass_c2+rab0*rab1))*
              (mass+delta*(dn*sqrte-2.))) ;
  if(fn <0.) fn = 0. ;
 
  G4double x = 1.0 - v;
  if(particle->GetPDGSpin() != 0) x += 0.75*v*v;
 
  dxsection = coeff*x*Z*Z*fn/gammaEnergy;
 
  return dxsection;
}

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

• G4hBremsstrahlungModel.hh
• G4hBremsstrahlungModel.cc