G4DipBustGenerator Class Reference

#include <G4DipBustGenerator.hh>

Inheritance diagram for G4DipBustGenerator:

Public Member Functions
	G4DipBustGenerator (const G4String &name="")
virtual	~G4DipBustGenerator ()
virtual G4ThreeVector &	SampleDirection (const G4DynamicParticle *dp, G4double out_energy, G4int Z, const G4Material *mat=nullptr) final
virtual void	SamplePairDirections (const G4DynamicParticle *dp, G4double elecKinEnergy, G4double posiKinEnergy, G4ThreeVector &dirElectron, G4ThreeVector &dirPositron, G4int Z=0, const G4Material *mat=nullptr) final
G4double	PolarAngle (G4double initial_energy, G4double final_energy, G4int Z)
virtual void	PrintGeneratorInformation () const final
Public Member Functions inherited from G4VEmAngularDistribution
	G4VEmAngularDistribution (const G4String &name)
virtual	~G4VEmAngularDistribution ()
virtual G4ThreeVector &	SampleDirection (const G4DynamicParticle *dp, G4double finalTotalEnergy, G4int Z, const G4Material *)=0
virtual G4ThreeVector &	SampleDirectionForShell (const G4DynamicParticle *dp, G4double finalTotalEnergy, G4int Z, G4int shellID, const G4Material *)
virtual void	SamplePairDirections (const G4DynamicParticle *dp, G4double elecKinEnergy, G4double posiKinEnergy, G4ThreeVector &dirElectron, G4ThreeVector &dirPositron, G4int Z=0, const G4Material *mat=nullptr)
const G4String &	GetName () const
G4VEmAngularDistribution &	operator= (const G4VEmAngularDistribution &right)=delete
	G4VEmAngularDistribution (const G4VEmAngularDistribution &)=delete

Additional Inherited Members
Protected Attributes inherited from G4VEmAngularDistribution
G4ThreeVector	fLocalDirection
G4bool	fPolarisation

Detailed Description

Definition at line 54 of file G4DipBustGenerator.hh.

Constructor & Destructor Documentation

G4DipBustGenerator()

G4DipBustGenerator::G4DipBustGenerator ( const G4String &  name = "" )

explicit

Definition at line 62 of file G4DipBustGenerator.cc.

  : G4VEmAngularDistribution("DipBustGen")
{}

~G4DipBustGenerator()

G4DipBustGenerator::~G4DipBustGenerator ( )

virtual

Definition at line 68 of file G4DipBustGenerator.cc.

{}

Member Function Documentation

PolarAngle()

G4double G4DipBustGenerator::PolarAngle	(	G4double	initial_energy,
		G4double	final_energy,
		G4int	Z
	)

Definition at line 106 of file G4DipBustGenerator.cc.

{
  const G4double cosTheta = SampleCosTheta(eTkin);
  G4double theta = std::acos(cosTheta);
  theta = std::min(std::max(theta, 0.), CLHEP::pi);
  return theta;
}

PrintGeneratorInformation()

void G4DipBustGenerator::PrintGeneratorInformation ( ) const

finalvirtual

Definition at line 144 of file G4DipBustGenerator.cc.

{
  G4cout << "\n" << G4endl;
  G4cout << "Angular Generator based on classical formula from" << G4endl;
  G4cout << "J.D. Jackson, Classical Electrodynamics, Wiley, New York 1975"
     << G4endl;
}

SampleDirection()

G4ThreeVector & G4DipBustGenerator::SampleDirection ( const G4DynamicParticle *  dp, G4double  out_energy, G4int  Z, const G4Material *  mat = nullptr  )

finalvirtual

Implements G4VEmAngularDistribution.

Definition at line 90 of file G4DipBustGenerator.cc.

{
  const G4double cosTheta = SampleCosTheta(dp->GetKineticEnergy());
 
  const G4double sinTheta = std::sqrt((1. - cosTheta)*(1. + cosTheta));
  const G4double phi      = CLHEP::twopi*G4UniformRand();
 
  fLocalDirection.set(sinTheta*std::cos(phi), sinTheta*std::sin(phi),cosTheta);
  fLocalDirection.rotateUz(dp->GetMomentumDirection());
 
  return fLocalDirection;
}

SamplePairDirections()

void G4DipBustGenerator::SamplePairDirections ( const G4DynamicParticle *  dp, G4double  elecKinEnergy, G4double  posiKinEnergy, G4ThreeVector &  dirElectron, G4ThreeVector &  dirPositron, G4int  Z = 0, const G4Material *  mat = nullptr  )

finalvirtual

Reimplemented from G4VEmAngularDistribution.

Definition at line 118 of file G4DipBustGenerator.cc.

{
  const G4double phi  = CLHEP::twopi * G4UniformRand();
  const G4double sinp = std::sin(phi);
  const G4double cosp = std::cos(phi);
 
  G4double cost = SampleCosTheta(elecKinEnergy);
  G4double sint = std::sqrt((1. - cost)*(1. + cost));
 
  dirElectron.set(sint*cosp, sint*sinp, cost);
  dirElectron.rotateUz(dp->GetMomentumDirection());
 
  cost = SampleCosTheta(posiKinEnergy);
  sint = std::sqrt((1. - cost)*(1. + cost));
 
  dirPositron.set(-sint*cosp, -sint*sinp, cost);
  dirPositron.rotateUz(dp->GetMomentumDirection());
}

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

• G4DipBustGenerator.hh
• G4DipBustGenerator.cc