G4FissionBarrier Class Reference

#include <G4FissionBarrier.hh>

Inheritance diagram for G4FissionBarrier:

Public Member Functions
G4double	FissionBarrier (G4int A, G4int Z, G4double U) const final
	G4FissionBarrier ()
	~G4FissionBarrier () override

Private Member Functions
G4double	BarashenkovFissionBarrier (G4int A, G4int Z) const
	G4FissionBarrier (const G4FissionBarrier &right)
G4bool	operator!= (const G4FissionBarrier &right) const
const G4FissionBarrier &	operator= (const G4FissionBarrier &right)
G4bool	operator== (const G4FissionBarrier &right) const

Private Attributes
const G4CameronShellPlusPairingCorrections *	SPtr

Detailed Description

Definition at line 42 of file G4FissionBarrier.hh.

Constructor & Destructor Documentation

G4FissionBarrier() [1/2]

G4FissionBarrier::G4FissionBarrier ( )

explicit

Definition at line 40 of file G4FissionBarrier.cc.

{
  SPtr = G4NuclearLevelData::GetInstance()->GetShellCorrection()
    ->GetCameronShellPlusPairingCorrections();
}

References G4ShellCorrection::GetCameronShellPlusPairingCorrections(), G4NuclearLevelData::GetInstance(), G4NuclearLevelData::GetShellCorrection(), and SPtr.

~G4FissionBarrier()

G4FissionBarrier::~G4FissionBarrier ( )

override

Definition at line 46 of file G4FissionBarrier.cc.

{}

G4FissionBarrier() [2/2]

G4FissionBarrier::G4FissionBarrier ( const G4FissionBarrier &  right )

private

Member Function Documentation

BarashenkovFissionBarrier()

G4double G4FissionBarrier::BarashenkovFissionBarrier ( G4int  A, G4int  Z  ) const

private

Definition at line 60 of file G4FissionBarrier.cc.

{
  // Liquid drop model parameters for
  // surface energy of a spherical nucleus
  static const G4double aSurf = 17.9439*CLHEP::MeV;
  // and coulomb energy
  static const G4double aCoul = 0.7053*CLHEP::MeV;
  static const G4double k = 1.7826;
  G4int N = A - Z;
 
  // fissibility parameter
  G4double x = (aCoul/(2.0*aSurf))*(Z*Z)/static_cast<G4double>(A);
  x /= (1.0 - k*(N-Z)*(N-Z)/static_cast<G4double>(A*A));
  
  // Liquid drop model part of Fission Barrier
  G4double BF0 = aSurf*G4Pow::GetInstance()->Z23(A);
  if (x <= 2./3.) { BF0 *= 0.38*(0.75 - x); }
  else { BF0 *= 0.83*(1. - x)*(1. - x)*(1. - x); }
 
  G4int d = N - 2*(N/2) + Z - 2*(Z/2);
 
  G4double res = 0.0;
  SPtr->GetPairingCorrection(N,Z,res);
 
  static const G4double D = 1.248*CLHEP::MeV;
  return BF0 + D*d - res;
}

References A, D(), G4Pow::GetInstance(), CLHEP::MeV, Z, and G4Pow::Z23().

FissionBarrier()

G4double G4FissionBarrier::FissionBarrier ( G4int  A, G4int  Z, G4double  U  ) const

finalvirtual

Implements G4VFissionBarrier.

Definition at line 50 of file G4FissionBarrier.cc.

{
  static const G4double blimit = 100.0*CLHEP::GeV;
  return (A >= 65) ? BarashenkovFissionBarrier(A,Z)
    /(1.0 + std::sqrt(U/(G4double)(2*A))) : blimit;
}

References A, CLHEP::GeV, and Z.

operator!=()

G4bool G4FissionBarrier::operator!= ( const G4FissionBarrier &  right ) const

private

operator=()

const G4FissionBarrier & G4FissionBarrier::operator= ( const G4FissionBarrier &  right )

private

operator==()

G4bool G4FissionBarrier::operator== ( const G4FissionBarrier &  right ) const

private

Field Documentation

SPtr

const G4CameronShellPlusPairingCorrections* G4FissionBarrier::SPtr

private

Definition at line 61 of file G4FissionBarrier.hh.

Referenced by G4FissionBarrier().

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

• source/processes/hadronic/models/de_excitation/fission/include/G4FissionBarrier.hh
• source/processes/hadronic/models/de_excitation/fission/src/G4FissionBarrier.cc