G4HETCHe3 Class Reference

#include <G4HETCHe3.hh>

Inheritance diagram for G4HETCHe3:

Public Member Functions
	G4HETCHe3 ()
	~G4HETCHe3 ()
Protected Member Functions
virtual G4double	GetAlpha ()
virtual G4double	GetBeta ()
virtual G4double	GetSpinFactor ()
virtual G4double	K (const G4Fragment &aFragment)

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Detailed Description

Definition at line 41 of file G4HETCHe3.hh.

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Constructor & Destructor Documentation

G4HETCHe3::G4HETCHe3

(

)

Definition at line 37 of file G4HETCHe3.cc.

  : G4HETCChargedFragment(G4He3::He3(), &theHe3CoulombBarrier)
{}

G4HETCHe3::~G4HETCHe3

(

)

Definition at line 41 of file G4HETCHe3.cc.

{}

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Member Function Documentation

G4double G4HETCHe3::GetAlpha

(

)

[protected, virtual]

Implements G4HETCFragment.

Definition at line 44 of file G4HETCHe3.cc.

References G4VPreCompoundFragment::GetRestZ(), and G4VPreCompoundFragment::GetZ().

{
  G4double C = 0.0;
  G4int aZ = GetZ() + GetRestZ();
  if (aZ <= 30) 
    {
      C = 0.10;
    } 
  else if (aZ <= 50) 
    {
      C = 0.1 + -((aZ-50.)/20.)*0.02;
    } 
  else if (aZ < 70) 
    {
      C = 0.08 + -((aZ-70.)/20.)*0.02;
    }
  else 
    {
      C = 0.06;
    }
  return 1.0 + C*(4.0/3.0);
}

G4double G4HETCHe3::GetBeta

(

)

[protected, virtual]

Implements G4HETCFragment.

Definition at line 67 of file G4HETCHe3.cc.

References G4VPreCompoundFragment::GetCoulombBarrier().

{
  return -GetCoulombBarrier();
}

G4double G4HETCHe3::GetSpinFactor

(

)

[protected, virtual]

Implements G4HETCFragment.

Definition at line 72 of file G4HETCHe3.cc.

{
  // 2s+1
  return 2.0;
}    

G4double G4HETCHe3::K

(

const G4Fragment &

aFragment

)

[protected, virtual]

Implements G4HETCFragment.

Definition at line 78 of file G4HETCHe3.cc.

References G4VPreCompoundFragment::GetA(), G4Fragment::GetNumberOfHoles(), G4Fragment::GetNumberOfParticles(), G4VPreCompoundFragment::GetRestA(), G4VPreCompoundFragment::GetRestZ(), and G4VPreCompoundFragment::GetZ().

{
  // Number of protons in emitted fragment
  G4int Pa = GetZ();
  // Number of neutrons in emitted fragment 
  G4int Na = GetA() - Pa;

  G4int TargetZ = GetRestZ();
  G4int TargetA = GetRestA();
  G4double r = G4double(TargetZ)/G4double(TargetA);

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

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

      result /= 3.0*r*r*(1.0 - r);
    }
  return std::max(0.0,result);
}

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

• G4HETCHe3.hh
• G4HETCHe3.cc

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