G4HETCAlpha Class Reference

#include <G4HETCAlpha.hh>

Inheritance diagram for G4HETCAlpha:

Collaboration diagram for G4HETCAlpha:

Public Member Functions
	G4HETCAlpha ()
	~G4HETCAlpha ()
Public Member Functions inherited from G4HETCChargedFragment
	G4HETCChargedFragment (const G4ParticleDefinition *, G4VCoulombBarrier *aCoulombBarrier)
virtual	~G4HETCChargedFragment ()
virtual G4double	SampleKineticEnergy (const G4Fragment &aFragment)
Public Member Functions inherited from G4HETCFragment
	G4HETCFragment (const G4ParticleDefinition *, G4VCoulombBarrier *aCoulombBarrier)
virtual	~G4HETCFragment ()
G4double	CalcEmissionProbability (const G4Fragment &aFragment)
Public Member Functions inherited from G4VPreCompoundFragment
	G4VPreCompoundFragment (const G4ParticleDefinition *, G4VCoulombBarrier *aCoulombBarrier)
virtual	~G4VPreCompoundFragment ()
void	Initialize (const G4Fragment &aFragment)
G4bool	IsItPossible (const G4Fragment &aFragment) const
G4ReactionProduct *	GetReactionProduct () const
G4int	GetA () const
G4int	GetZ () const
G4int	GetRestA () const
G4int	GetRestZ () const
G4double	GetBindingEnergy () const
G4double	GetEnergyThreshold () const
G4double	GetEmissionProbability () const
G4double	GetNuclearMass () const
G4double	GetRestNuclearMass () const
const G4LorentzVector &	GetMomentum () const
void	SetMomentum (const G4LorentzVector &value)
void	SetOPTxs (G4int)
void	UseSICB (G4bool)

Protected Member Functions
virtual G4double	GetAlpha () const
virtual G4double	GetBeta () const
virtual G4double	GetSpinFactor () const
virtual G4double	K (const G4Fragment &aFragment)
Protected Member Functions inherited from G4HETCFragment
G4double	BetaRand (G4int N, G4int L) const

Additional Inherited Members
Protected Attributes inherited from G4VPreCompoundFragment
G4DeexPrecoParameters *	theParameters
G4Pow *	g4calc
G4int	theA
G4int	theZ
G4int	theResA
G4int	theResZ
G4int	theFragA
G4int	theFragZ
G4double	theResA13
G4double	theBindingEnergy
G4double	theMinKinEnergy
G4double	theMaxKinEnergy
G4double	theResMass
G4double	theReducedMass
G4double	theMass
G4double	theEmissionProbability
G4double	theCoulombBarrier
G4int	OPTxs
G4bool	useSICB

Detailed Description

Definition at line 41 of file G4HETCAlpha.hh.

Constructor & Destructor Documentation

G4HETCAlpha::G4HETCAlpha

(

)

Definition at line 37 of file G4HETCAlpha.cc.

  : G4HETCChargedFragment(G4Alpha::Alpha(), &theAlphaCoulombBarrier)
{}

G4HETCAlpha::~G4HETCAlpha

(

)

Definition at line 41 of file G4HETCAlpha.cc.

{}

Member Function Documentation

G4double G4HETCAlpha::GetAlpha ( ) const

protectedvirtual

Implements G4HETCFragment.

Definition at line 44 of file G4HETCAlpha.cc.

{
  G4double C = 0.0;
  if (theFragZ <= 30) 
    {
      C = 0.10;
    } 
  else if (theFragZ <= 50) 
    {
      C = 0.1 + -((theFragZ-50.)/20.)*0.02;
    }
  else if (theFragZ < 70) 
    {
      C = 0.08 + -((theFragZ-70.)/20.)*0.02;
    }
  else 
    {
      C = 0.06;
    }
  return 1.0+C;
}

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G4double G4HETCAlpha::GetBeta ( ) const

protectedvirtual

Implements G4HETCFragment.

Definition at line 66 of file G4HETCAlpha.cc.

{
  return theCoulombBarrier;
}

G4double G4HETCAlpha::GetSpinFactor ( ) const

protectedvirtual

Implements G4HETCFragment.

Definition at line 71 of file G4HETCAlpha.cc.

{
  return 1.0;
}

G4double G4HETCAlpha::K ( const G4Fragment &  aFragment )

protectedvirtual

Implements G4HETCFragment.

Definition at line 76 of file G4HETCAlpha.cc.

{
  // Number of protons in emitted fragment
  G4int Pa = theZ;
  // Number of neutrons in emitted fragment 
  G4int Na = theA - Pa;

  G4double r = G4double(theResZ)/G4double(theResA);

  G4int P = aFragment.GetNumberOfParticles();
  G4int H = aFragment.GetNumberOfHoles();

  G4double result = 0.0;
  if (P > 3)
    {
      result = 3.0/(P*(P-1.0)*(P-2.0)*(P-3.0)) * 
    (H*(H-1.0)*(H-2.0)*(H-3.0)*r*r*(r-1.0)*(r-1.0) +
     2.0*H*(H-1.0)*(H-2.0)*(Pa*r*(1.0-r)*(1.0-r)+Na*r*r*(1.0-r)) +
     H*(H-1.0)*(Pa*(Pa-1.0)*(1.0-r)*(1.0-r)+4.0*Na*Pa*r*(1.0-r)+Na*(Na-1.0)*r*r) +
     2*H*(Pa*Na*(Na-1.0)*r+Pa*(Pa-1.0)*Na*(1.0-r)) +
     Pa*(Pa-1.0)*Na*(Na-1.0));

      result /= 6.0*r*r*(1. - r) *(1. - r);
    }
  return std::max(0.0,result);
}

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

• source/geant4.10.03.p02/source/processes/hadronic/models/pre_equilibrium/exciton_model/include/G4HETCAlpha.hh
• source/geant4.10.03.p02/source/processes/hadronic/models/pre_equilibrium/exciton_model/src/G4HETCAlpha.cc