G4CoulombBarrier Class Reference

#include <G4CoulombBarrier.hh>

Inheritance diagram for G4CoulombBarrier:

Collaboration diagram for G4CoulombBarrier:

Public Member Functions
	G4CoulombBarrier ()
	G4CoulombBarrier (G4int anA, G4int aZ)
virtual	~G4CoulombBarrier ()
G4double	GetCoulombBarrier (G4int ARes, G4int ZRes, G4double U) const
Public Member Functions inherited from G4VCoulombBarrier
	G4VCoulombBarrier (G4int anA, G4int aZ)
virtual	~G4VCoulombBarrier ()
G4int	GetA (void) const
G4int	GetZ (void) const

Private Member Functions
	G4CoulombBarrier (const G4CoulombBarrier &right)
const G4CoulombBarrier &	operator= (const G4CoulombBarrier &right)
G4bool	operator== (const G4CoulombBarrier &right) const
G4bool	operator!= (const G4CoulombBarrier &right) const
virtual G4double	BarrierPenetrationFactor (G4double) const
G4double	CalcCompoundRadius (const G4double ZRes) const

Detailed Description

Definition at line 43 of file G4CoulombBarrier.hh.

Constructor & Destructor Documentation

G4CoulombBarrier() [1/3]

G4CoulombBarrier::G4CoulombBarrier

(

)

Definition at line 42 of file G4CoulombBarrier.cc.

                                  : G4VCoulombBarrier(1,0) 
{}

G4CoulombBarrier() [2/3]

G4CoulombBarrier::G4CoulombBarrier	(	G4int	anA,
		G4int	aZ
	)

Definition at line 45 of file G4CoulombBarrier.cc.

  : G4VCoulombBarrier(anA,aZ) 
{}

~G4CoulombBarrier()

G4CoulombBarrier::~G4CoulombBarrier ( )

virtual

Definition at line 49 of file G4CoulombBarrier.cc.

{}

G4CoulombBarrier() [3/3]

G4CoulombBarrier::G4CoulombBarrier ( const G4CoulombBarrier &  right )

private

Member Function Documentation

BarrierPenetrationFactor()

G4double G4CoulombBarrier::BarrierPenetrationFactor ( G4double  ) const

privatevirtual

Reimplemented in G4ProtonCoulombBarrier, G4He3CoulombBarrier, G4AlphaCoulombBarrier, G4DeuteronCoulombBarrier, and G4TritonCoulombBarrier.

Definition at line 52 of file G4CoulombBarrier.cc.

{
  return 1.0;
}

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CalcCompoundRadius()

G4double G4CoulombBarrier::CalcCompoundRadius ( const G4double  ZRes ) const

inlineprivate

Definition at line 63 of file G4CoulombBarrier.hh.

  {
    return 2.173*CLHEP::fermi*(1.0+0.006103*static_cast<G4double>(GetZ())*ZRes)/
      (1.0+0.009443*static_cast<G4double>(GetZ())*ZRes);
  }

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GetCoulombBarrier()

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

virtual

New coulomb Barrier according to original Dostrovski's paper

Implements G4VCoulombBarrier.

Definition at line 57 of file G4CoulombBarrier.cc.

{
  G4double Barrier = 0.0;
  if (GetA() == 1 && GetZ() == 0) {
    Barrier = 0.0;   // Neutron Coulomb Barrier is 0
  } else {

    // JMQ: old coulomb barrier commented since it does not agree with 
    //      Dostrovski's prescription
    //      and too low  barriers are obtained (for protons at least)

    G4double rho=1.2*fermi; 
    if(GetA()==1 && GetZ()==1){  rho=0.0;}  

    const G4double RN=1.5*fermi;  
    // VI cleanup 
    Barrier=elm_coupling*(GetZ()*ZRes)/(RN * G4Pow::GetInstance()->Z13(ARes) + rho);

    // Barrier penetration coeficient
    G4double K = BarrierPenetrationFactor(ZRes);

    Barrier *= K;
        
    // JMQ : the following statement has unknown origin and dimensionally 
    //  is meaningless( energy divided by mass number in argument of sqrt function). 
    //  Energy dependence of Coulomb barrier penetrability should be included in 
    //  proper way (if needed..)
    //   Barrier /= (1.0 + std::sqrt(U/(2.0*static_cast<G4double>(ARes))));
    //
  }
  return Barrier;
}

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operator!=()

G4bool G4CoulombBarrier::operator!= ( const G4CoulombBarrier &  right ) const

private

operator=()

const G4CoulombBarrier& G4CoulombBarrier::operator= ( const G4CoulombBarrier &  right )

private

operator==()

G4bool G4CoulombBarrier::operator== ( const G4CoulombBarrier &  right ) const

private

---

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

• G4CoulombBarrier.hh
• G4CoulombBarrier.cc