40 const G4double G4FissionParameters::A1 = 134.0;
41 const G4double G4FissionParameters::A2 = 141.0;
50 if (A <= 235) Sigma2 = 5.6;
51 else Sigma2 = 5.6 + 0.096*(A-235);
55 SigmaS = std::exp(0.00553*U/
MeV + 2.1386);
64 G4double FasymAsym = 2.0*std::exp(-((A2-As)*(A2-As))/(2.0*Sigma2*Sigma2)) +
65 std::exp(-((A1-As)*(A1-As))/(2.0*Sigma1*Sigma1));
67 G4double FsymA1A2 = std::exp(-((As-(A1+A2)/2.0)*(As-(A1+A2)/2.0))
68 /(2.0*SigmaS*SigmaS));
74 if (U <= 16.25) wa = std::exp(0.5385*U/
MeV-9.9564);
75 else wa = std::exp(0.09197*U/
MeV-2.7003);
77 wa = std::exp(0.09197*U-1.0808);
81 wa = std::exp(0.09197*(U-X)/
MeV-1.0808);
92 if (82 <= Z && Z < 89 && A < 227) w *= std::exp(0.3*(227-A));
T max(const T t1, const T t2)
brief Return the largest of the two arguments
G4FissionParameters(G4int A, G4int Z, G4double ExEnergy, G4double FissionBarrier)