#include <G4WentzelVIRelXSection.hh>

Inheritance diagram for G4WentzelVIRelXSection:

Public Member Functions
	G4WentzelVIRelXSection ()

virtual	~G4WentzelVIRelXSection ()

virtual G4double	SetupKinematic (G4double kinEnergy, const G4Material *mat)

Public Member Functions inherited from G4WentzelOKandVIxSection
	G4WentzelOKandVIxSection (G4bool comb=true)

virtual	~G4WentzelOKandVIxSection ()

void	Initialise (const G4ParticleDefinition *, G4double CosThetaLim)

void	SetupParticle (const G4ParticleDefinition *)

G4double	SetupKinematic (G4double kinEnergy, const G4Material *mat)

G4double	SetupTarget (G4int Z, G4double cut)

G4double	ComputeTransportCrossSectionPerAtom (G4double CosThetaMax)

G4ThreeVector &	SampleSingleScattering (G4double CosThetaMin, G4double CosThetaMax, G4double elecRatio)

G4double	ComputeSecondTransportMoment (G4double CosThetaMax)

G4double	ComputeNuclearCrossSection (G4double CosThetaMin, G4double CosThetaMax)

G4double	ComputeElectronCrossSection (G4double CosThetaMin, G4double CosThetaMax)

void	SetTargetMass (G4double value)

G4double	GetMomentumSquare () const

G4double	GetCosThetaNuc () const

G4double	GetCosThetaElec () const

G4WentzelOKandVIxSection &	operator= (const G4WentzelOKandVIxSection &right)=delete

	G4WentzelOKandVIxSection (const G4WentzelOKandVIxSection &)=delete

Additional Inherited Members
Protected Member Functions inherited from G4WentzelOKandVIxSection
void	ComputeMaxElectronScattering (G4double cut)

void	InitialiseA ()

G4double	FlatFormfactor (G4double x)

Protected Attributes inherited from G4WentzelOKandVIxSection
const G4ParticleDefinition *	theProton

const G4ParticleDefinition *	theElectron

const G4ParticleDefinition *	thePositron

const G4Material *	currentMaterial

G4NistManager *	fNistManager

G4Pow *	fG4pow

G4ScreeningMottCrossSection *	fMottXSection

G4ThreeVector	temp

G4double	numlimit

G4int	nwarnings

G4int	nwarnlimit

G4NuclearFormfactorType	fNucFormfactor

G4bool	isCombined

G4double	coeff

G4double	cosTetMaxElec

G4double	cosTetMaxNuc

G4double	cosThetaMax

G4double	alpha2

const G4ParticleDefinition *	particle

G4double	chargeSquare

G4double	charge3

G4double	spin

G4double	mass

G4double	tkin

G4double	mom2

G4double	momCM2

G4double	invbeta2

G4double	kinFactor

G4double	etag

G4double	ecut

G4double	lowEnergyLimit

G4int	targetZ

G4double	targetMass

G4double	screenZ

G4double	formfactA

G4double	factorA2

G4double	factB

G4double	factB1

G4double	factD

G4double	fMottFactor

G4double	gam0pcmp

G4double	pcmp2

Static Protected Attributes inherited from G4WentzelOKandVIxSection
static G4double	ScreenRSquareElec [100] = {0.0}

static G4double	ScreenRSquare [100] = {0.0}

static G4double	FormFactor [100] = {0.0}

Detailed Description

Definition at line 63 of file G4WentzelVIRelXSection.hh.

Constructor & Destructor Documentation

◆ G4WentzelVIRelXSection()

G4WentzelVIRelXSection::G4WentzelVIRelXSection ( )

explicit

Definition at line 52 of file G4WentzelVIRelXSection.cc.

53{}

◆ ~G4WentzelVIRelXSection()

G4WentzelVIRelXSection::~G4WentzelVIRelXSection ( )

virtual

Definition at line 57 of file G4WentzelVIRelXSection.cc.

58{}

Member Function Documentation

◆ SetupKinematic()

G4double G4WentzelVIRelXSection::SetupKinematic	(	G4double	kinEnergy,
		const G4Material *	mat
	)

virtual

Definition at line 62 of file G4WentzelVIRelXSection.cc.

{
  if(kinEnergy != tkin || mat != currentMaterial) { 
 
    currentMaterial = mat;
    tkin  = kinEnergy;
    G4double momLab2  = tkin*(tkin + 2.0*mass);
    
    G4double etot = tkin + mass;
    G4double ptot = std::sqrt(momLab2);
    G4double m12  = mass*mass;
 
    // relativistic reduced mass from publucation
    // A.P. Martynenko, R.N. Faustov, Teoret. mat. Fiz. 64 (1985) 179
        
    //incident particle & target nucleus
    G4double Ecm = std::sqrt(m12 + targetMass*targetMass + 2.0*etot*targetMass);
    G4double mu_rel = mass*targetMass/Ecm;
    G4double momCM  = ptot*targetMass/Ecm;
    // relative system
    mom2 = momCM*momCM;
    invbeta2 = 1.0 +  mu_rel*mu_rel/mom2;
 
    factB = spin/invbeta2;
    factD = std::sqrt(mom2)/targetMass;
    cosTetMaxNuc = isCombined ? 
      std::max(cosThetaMax, 1.-factorA2*mat->GetIonisation()->GetInvA23()/mom2)
      : cosThetaMax;
  } 
  return cosTetMaxNuc;
}

Referenced by G4hCoulombScatteringModel::ComputeCrossSectionPerAtom(), and G4hCoulombScatteringModel::SampleSecondaries().

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