G4DeltaAngleFreeScat Class Reference

#include <G4DeltaAngleFreeScat.hh>

Inheritance diagram for G4DeltaAngleFreeScat:

Public Member Functions
	G4DeltaAngleFreeScat (const G4String &name="")
virtual	~G4DeltaAngleFreeScat ()
virtual G4ThreeVector &	SampleDirection (const G4DynamicParticle *dp, G4double kinEnergyFinal, G4int Z, const G4Material *mat=0)
void	PrintGeneratorInformation () const
Public Member Functions inherited from G4VEmAngularDistribution
	G4VEmAngularDistribution (const G4String &name)
virtual	~G4VEmAngularDistribution ()
virtual G4ThreeVector &	SampleDirectionForShell (const G4DynamicParticle *dp, G4double finalTotalEnergy, G4int Z, G4int shellID, const G4Material *)
const G4String &	GetName () const

Additional Inherited Members
Protected Attributes inherited from G4VEmAngularDistribution
G4ThreeVector	fLocalDirection

Detailed Description

Definition at line 54 of file G4DeltaAngleFreeScat.hh.

Constructor & Destructor Documentation

G4DeltaAngleFreeScat::G4DeltaAngleFreeScat

(

const G4String &

name = ""

)

Definition at line 56 of file G4DeltaAngleFreeScat.cc.

  : G4VEmAngularDistribution("deltaFree")
{}    

G4DeltaAngleFreeScat::~G4DeltaAngleFreeScat ( )

virtual

Definition at line 60 of file G4DeltaAngleFreeScat.cc.

{}

Member Function Documentation

void G4DeltaAngleFreeScat::PrintGeneratorInformation

(

)

const

Definition at line 83 of file G4DeltaAngleFreeScat.cc.

{} 

G4ThreeVector & G4DeltaAngleFreeScat::SampleDirection ( const G4DynamicParticle *  dp, G4double  kinEnergyFinal, G4int  Z, const G4Material *  mat = 0  )

virtual

Implements G4VEmAngularDistribution.

Definition at line 64 of file G4DeltaAngleFreeScat.cc.

References python.hepunit::electron_mass_c2, G4VEmAngularDistribution::fLocalDirection, G4UniformRand, G4DynamicParticle::GetMomentumDirection(), G4DynamicParticle::GetTotalEnergy(), G4DynamicParticle::GetTotalMomentum(), CLHEP::Hep3Vector::rotateUz(), CLHEP::Hep3Vector::set(), and python.hepunit::twopi.

{
  G4double deltaMomentum = 
    sqrt(kinEnergyFinal*(kinEnergyFinal + 2*electron_mass_c2));

  G4double costet = kinEnergyFinal*(dp->GetTotalEnergy() + electron_mass_c2) /
    (deltaMomentum * dp->GetTotalMomentum());

  G4double phi = G4UniformRand()*twopi;
  G4double sintet = sqrt((1 - costet)*(1 + costet));
 
  fLocalDirection.set(sintet*cos(phi), sintet*sin(phi), costet);
  fLocalDirection.rotateUz(dp->GetMomentumDirection());

  return fLocalDirection;
}

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

• G4DeltaAngleFreeScat.hh
• G4DeltaAngleFreeScat.cc