#include <G4HETCAlpha.hh>
Inheritance diagram for G4HETCAlpha:
Public Member Functions | |
G4HETCAlpha () | |
~G4HETCAlpha () | |
Protected Member Functions | |
virtual G4double | GetAlpha () |
virtual G4double | GetBeta () |
virtual G4double | GetSpinFactor () |
virtual G4double | K (const G4Fragment &aFragment) |
Definition at line 41 of file G4HETCAlpha.hh.
G4HETCAlpha::G4HETCAlpha | ( | ) |
Definition at line 37 of file G4HETCAlpha.cc.
00038 : G4HETCChargedFragment(G4Alpha::Alpha(), &theAlphaCoulombBarrier) 00039 {}
G4HETCAlpha::~G4HETCAlpha | ( | ) |
G4double G4HETCAlpha::GetAlpha | ( | ) | [protected, virtual] |
Implements G4HETCFragment.
Definition at line 44 of file G4HETCAlpha.cc.
References G4VPreCompoundFragment::GetRestZ(), and G4VPreCompoundFragment::GetZ().
00045 { 00046 G4double C = 0.0; 00047 G4int aZ = GetZ() + GetRestZ(); 00048 if (aZ <= 30) 00049 { 00050 C = 0.10; 00051 } 00052 else if (aZ <= 50) 00053 { 00054 C = 0.1 + -((aZ-50.)/20.)*0.02; 00055 } 00056 else if (aZ < 70) 00057 { 00058 C = 0.08 + -((aZ-70.)/20.)*0.02; 00059 } 00060 else 00061 { 00062 C = 0.06; 00063 } 00064 return 1.0+C; 00065 }
G4double G4HETCAlpha::GetBeta | ( | ) | [protected, virtual] |
Implements G4HETCFragment.
Definition at line 67 of file G4HETCAlpha.cc.
References G4VPreCompoundFragment::GetCoulombBarrier().
00068 { 00069 return -GetCoulombBarrier(); 00070 }
G4double G4HETCAlpha::GetSpinFactor | ( | ) | [protected, virtual] |
G4double G4HETCAlpha::K | ( | const G4Fragment & | aFragment | ) | [protected, virtual] |
Implements G4HETCFragment.
Definition at line 77 of file G4HETCAlpha.cc.
References G4VPreCompoundFragment::GetA(), G4Fragment::GetNumberOfHoles(), G4Fragment::GetNumberOfParticles(), G4VPreCompoundFragment::GetRestA(), G4VPreCompoundFragment::GetRestZ(), and G4VPreCompoundFragment::GetZ().
00078 { 00079 // Number of protons in emitted fragment 00080 G4int Pa = GetZ(); 00081 // Number of neutrons in emitted fragment 00082 G4int Na = GetA() - Pa; 00083 00084 G4int TargetZ = GetRestZ(); 00085 G4int TargetA = GetRestA(); 00086 G4double r = G4double(TargetZ)/G4double(TargetA); 00087 00088 G4int P = aFragment.GetNumberOfParticles(); 00089 G4int H = aFragment.GetNumberOfHoles(); 00090 00091 G4double result = 0.0; 00092 if (P > 3) 00093 { 00094 result = 3.0/(P*(P-1.0)*(P-2.0)*(P-3.0)) * 00095 (H*(H-1.0)*(H-2.0)*(H-3.0)*r*r*(r-1.0)*(r-1.0) + 00096 2.0*H*(H-1.0)*(H-2.0)*(Pa*r*(1.0-r)*(1.0-r)+Na*r*r*(1.0-r)) + 00097 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) + 00098 2*H*(Pa*Na*(Na-1.0)*r+Pa*(Pa-1.0)*Na*(1.0-r)) + 00099 Pa*(Pa-1.0)*Na*(Na-1.0)); 00100 00101 result /= 6.0*r*r*(1. - r) *(1. - r); 00102 } 00103 return std::max(0.0,result); 00104 }