G4CoulombBarrier Class Reference

#include <G4CoulombBarrier.hh>

Inheritance diagram for G4CoulombBarrier:

Public Member Functions
	G4CoulombBarrier (G4int anA, G4int aZ)
virtual	~G4CoulombBarrier ()
G4double	GetCoulombBarrier (G4int ARes, G4int ZRes, G4double U) const
virtual G4double	BarrierPenetrationFactor (G4int Eexc) const
Public Member Functions inherited from G4VCoulombBarrier
	G4VCoulombBarrier (G4int anA, G4int aZ)
virtual	~G4VCoulombBarrier ()
virtual G4double	GetCoulombBarrier (G4int ARes, G4int ZRes, G4double U) const =0
virtual G4double	BarrierPenetrationFactor (G4int Eexc) const =0
void	SetParameters (G4double rho, G4double r0)
G4int	GetA (void) const
G4int	GetZ (void) const
G4double	GetRho (void) const
G4double	GetR0 (void) const

Protected Attributes
G4Pow *	g4calc

Detailed Description

Definition at line 41 of file G4CoulombBarrier.hh.

Constructor & Destructor Documentation

G4CoulombBarrier()

G4CoulombBarrier::G4CoulombBarrier ( G4int  anA, G4int  aZ  )

explicit

Definition at line 39 of file G4CoulombBarrier.cc.

  : G4VCoulombBarrier(A, Z), g4calc(G4Pow::GetInstance())
{
  factor = CLHEP::elm_coupling*Z;
  SetParameters(0.4*G4NuclearRadii::RadiusCB(Z, A),1.3*CLHEP::fermi);
}

~G4CoulombBarrier()

G4CoulombBarrier::~G4CoulombBarrier ( )

virtual

Definition at line 46 of file G4CoulombBarrier.cc.

{}

Member Function Documentation

BarrierPenetrationFactor()

G4double G4CoulombBarrier::BarrierPenetrationFactor ( G4int  Eexc ) const

virtual

Implements G4VCoulombBarrier.

Definition at line 57 of file G4CoulombBarrier.cc.

{
  G4double res = 1.0;
  if(GetZ() == 1) {
    res = (aZ >= 70) ? 0.80 :
    (((0.2357e-5*aZ) - 0.42679e-3)*aZ + 0.27035e-1)*aZ + 0.19025;
    res += 0.06*(GetA() - 1);
 
  } else if(GetZ() == 2 && GetA() <= 4) {
    res = (aZ >= 70) ? 0.98 :
    (((0.23684e-5*aZ) - 0.42143e-3)*aZ + 0.25222e-1)*aZ + 0.46699;
    res += 0.12*(4 - GetA());
  }
  return res;
}

GetCoulombBarrier()

G4double G4CoulombBarrier::GetCoulombBarrier ( G4int  ARes, G4int  ZRes, G4double  U  ) const

virtual

Implements G4VCoulombBarrier.

Definition at line 49 of file G4CoulombBarrier.cc.

{
  return factor*ZRes/(G4NuclearRadii::RadiusCB(ZRes,ARes) + GetRho());
  //return factor*ZRes/((G4NuclearRadii::RadiusCB(ZRes,ARes) 
  //         + GetRho())*(1.0 + std::sqrt(U/(G4double)(2*ARes))));
}

Referenced by G4FermiFragment::GetCoulombBarrier(), and G4EvaporationChannel::GetEmissionProbability().

Member Data Documentation

g4calc

G4Pow* G4CoulombBarrier::g4calc

protected

Definition at line 62 of file G4CoulombBarrier.hh.

Referenced by G4GEMCoulombBarrier::G4GEMCoulombBarrier().

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

• G4CoulombBarrier.hh
• G4CoulombBarrier.cc