G4GNASHTransitions Class Reference

#include <G4GNASHTransitions.hh>

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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)

Private Member Functions
	G4GNASHTransitions (const G4GNASHTransitions &)
const G4GNASHTransitions &	operator= (const G4GNASHTransitions &right)
G4bool	operator== (const G4GNASHTransitions &right) const
G4bool	operator!= (const G4GNASHTransitions &right) const

Private Attributes
G4PreCompoundParameters *	theParameters

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

Detailed Description

Definition at line 36 of file G4GNASHTransitions.hh.

Constructor & Destructor Documentation

G4GNASHTransitions() [1/2]

G4GNASHTransitions::G4GNASHTransitions

(

)

Definition at line 37 of file G4GNASHTransitions.cc.

{
  theParameters = new G4PreCompoundParameters();
}

~G4GNASHTransitions()

G4GNASHTransitions::~G4GNASHTransitions ( )

virtual

Definition at line 42 of file G4GNASHTransitions.cc.

{
  delete theParameters;
}

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G4GNASHTransitions() [2/2]

G4GNASHTransitions::G4GNASHTransitions ( const G4GNASHTransitions &  )

private

Member Function Documentation

CalculateProbability()

G4double G4GNASHTransitions::CalculateProbability ( const G4Fragment &  aFragment )

virtual

Implements G4VPreCompoundTransitions.

Definition at line 48 of file G4GNASHTransitions.cc.

{
  static const G4double k = 135.0 * MeV*MeV*MeV;
  G4double E = aFragment.GetExcitationEnergy();
  G4double P = aFragment.GetNumberOfParticles();
  G4double H = aFragment.GetNumberOfHoles();
  G4double N = P + H;
  G4double A = aFragment.GetA_asInt();

  G4double theMatrixElement(k*N/(A*A*A*E));
  G4double x = E/N;
  if ( x < 2.0*MeV ) theMatrixElement *= x/std::sqrt(14.0*MeV*MeV);
  else if ( x < 7.0*MeV ) x *= std::sqrt(x/7.0*MeV);
  else if ( x < 15.0*MeV ) ;
  else x *= std::sqrt(15.0*MeV/x);

  // gg = (6.0/pi2)*a*A
  G4double gg =  (6.0/pi2)*theParameters->GetLevelDensity()*A;

  G4double Epauli = ((P+1.0)*(P+1.0) + (H+1.0)*(H+1.0) + (P+1.0) - 3.0*(H-1.0))/4.0;

  G4double Probability = gg*gg*gg *(E-Epauli)*(E-Epauli);
  Probability /= 2.0*(N+1.0)*h_Planck;
  Probability *= theMatrixElement;

  return Probability;
}

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operator!=()

G4bool G4GNASHTransitions::operator!= ( const G4GNASHTransitions &  right ) const

private

operator=()

const G4GNASHTransitions& G4GNASHTransitions::operator= ( const G4GNASHTransitions &  right )

private

operator==()

G4bool G4GNASHTransitions::operator== ( const G4GNASHTransitions &  right ) const

private

PerformTransition()

void G4GNASHTransitions::PerformTransition ( G4Fragment &  aFragment )

virtual

Implements G4VPreCompoundTransitions.

Definition at line 76 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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Member Data Documentation

theParameters

G4PreCompoundParameters* G4GNASHTransitions::theParameters

private

Definition at line 57 of file G4GNASHTransitions.hh.

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

• G4GNASHTransitions.hh
• G4GNASHTransitions.cc