G4GNASHTransitions Class Reference

#include <G4GNASHTransitions.hh>

Inheritance diagram for G4GNASHTransitions:

Public Member Functions
	G4GNASHTransitions ()
virtual	~G4GNASHTransitions ()
virtual G4double	CalculateProbability (const G4Fragment &aFragment)
virtual void	PerformTransition (G4Fragment &aFragment)
Public Member Functions inherited from G4VPreCompoundTransitions
	G4VPreCompoundTransitions ()
virtual	~G4VPreCompoundTransitions ()
G4double	GetTransitionProb1 () const
G4double	GetTransitionProb2 () const
G4double	GetTransitionProb3 () const
void	UseNGB (G4bool use)
void	UseCEMtr (G4bool use)
	G4VPreCompoundTransitions (const G4VPreCompoundTransitions &)=delete
const G4VPreCompoundTransitions &	operator= (const G4VPreCompoundTransitions &right)=delete
G4bool	operator== (const G4VPreCompoundTransitions &right) const =delete
G4bool	operator!= (const G4VPreCompoundTransitions &right) const =delete

Additional Inherited Members
Protected Attributes inherited from G4VPreCompoundTransitions
G4bool	useNGB
G4bool	useCEMtr
G4double	TransitionProb1
G4double	TransitionProb2
G4double	TransitionProb3

Detailed Description

Definition at line 35 of file G4GNASHTransitions.hh.

Constructor & Destructor Documentation

G4GNASHTransitions()

G4GNASHTransitions::G4GNASHTransitions ( )

explicit

Definition at line 37 of file G4GNASHTransitions.cc.

{
  theParameters = G4NuclearLevelData::GetInstance()->GetParameters();
}

~G4GNASHTransitions()

G4GNASHTransitions::~G4GNASHTransitions ( )

virtual

Definition at line 42 of file G4GNASHTransitions.cc.

{}

Member Function Documentation

CalculateProbability()

G4double G4GNASHTransitions::CalculateProbability ( const G4Fragment & aFragment )

virtual

Implements G4VPreCompoundTransitions.

Definition at line 45 of file G4GNASHTransitions.cc.

{
  static const G4double k = 135.0 *CLHEP::MeV*CLHEP::MeV*CLHEP::MeV;
  G4double E = aFragment.GetExcitationEnergy();
  G4double P = aFragment.GetNumberOfParticles();
  G4double H = aFragment.GetNumberOfHoles();
  G4double N = P + H;
  G4int Z = aFragment.GetZ_asInt();
  G4int A = aFragment.GetA_asInt();
 
  G4double theMatrixElement(k*N/((A*A*A)*E));
  G4double x = E/(N*CLHEP::MeV);
  static const G4double xf = std::sqrt(2.0/7.0);
  if ( x < 2.0)      { x *= xf;   }
  else if ( x < 7.0) { x *= std::sqrt(x/7.0);  }
  else if ( x > 15.0){ x *= std::sqrt(15.0/x); }
  theMatrixElement *= x;
 
  G4double gg =  (6.0/pi2)*G4NuclearLevelData::GetInstance()->GetLevelDensity(Z,A,E);
 
  G4double Epauli = ((P+1.0)*(P+1.0) + (H+1.0)*(H+1.0) + (P+1.0) - 3.0*(H-1.0))*0.25;
 
  G4double Probability = gg*gg*gg *(E-Epauli)*(E-Epauli);
  Probability *= theMatrixElement/(2.0*(N+1.0)*CLHEP::h_Planck);
 
  return Probability;
}

PerformTransition()

void G4GNASHTransitions::PerformTransition ( G4Fragment & aFragment )

virtual

Implements G4VPreCompoundTransitions.

Definition at line 74 of file G4GNASHTransitions.cc.

{
  result.SetNumberOfParticles(result.GetNumberOfParticles()+1);
  result.SetNumberOfHoles(result.GetNumberOfHoles()+1);
  if (G4UniformRand()*result.GetA_asInt() <= G4double(result.GetZ_asInt()))
    {
      result.SetNumberOfCharged(result.GetNumberOfCharged()+1);
    }
 
  if (result.GetNumberOfParticles() < result.GetNumberOfCharged())
    {
      result.SetNumberOfCharged(result.GetNumberOfParticles());
    }
}

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

• G4GNASHTransitions.hh
• G4GNASHTransitions.cc