79-Au-0

Reaction 0.0253-eV Maxwellian
Average
g-factor Resonance
Integral
14-MeV Fiss. Spec.
Average
total 106.6 (b) 108.1 (b) 1.015 5.360 (b) 6.685 (b)
elastic 7.922 (b) 8.924 (b) 1.127 2.722 (b) 4.315 (b)
inelastic ( E-thr = 77.75 keV ) 461.6 (mb) 2.291 (b)
(n,2n) ( E-thr = 8.114 MeV ) 2.172 (b) 3.906 (mb)
(n,3n) ( E-thr = 14.79 MeV ) 2.544 (μb)
(n,na) 0.000 (b) 0.000 (b) 84.00 (nb) 31.42 (μb) 10.81 (nb)
(n,2na) ( E-thr = 6.839 MeV ) 627.5e-15 (b) 1.735e-12 (b)
(n,np) ( E-thr = 5.812 MeV ) 58.36 (μb) 22.12 (nb)
(n,nd) ( E-thr = 11.54 MeV ) 401.1e-18 (b) 24.40e-12 (b)
(n,nt) ( E-thr = 11.39 MeV ) 2.225e-18 (b) 1.512e-12 (b)
(n,n He-3) ( E-thr = 13.77 MeV ) 569.1e-27 (b) 587.3e-15 (b)
capture 98.65 (b) 99.20 (b) 1.006 1.571 (kb) 1.179 (mb) 77.07 (mb)
(n,p) 0.000 (b) 0.000 (b) 11.02 (μb) 1.738 (mb) 912.6 (nb)
(n,d) ( E-thr = 3.576 MeV ) 338.5 (μb) 74.87 (nb)
(n,t) ( E-thr = 5.249 MeV ) 1.492 (μb) 1.205 (nb)
(n,He-3) ( E-thr = 6.343 MeV ) 227.0e-18 (b) 3.382e-15 (b)
(n,a) 7.457 (nb) 7.461 (nb) 1.001 4.836 (μb) 320.2 (μb) 351.9 (nb)

These cross sections are calculated from JENDL-4.0 at 300K.
The background color of each cell noted a cross section means the order of the cross-section value.
The unit of cross section, (b), means barns, and SI prefixes are used as following.
(kb) → 103(b),   (mb) → 10−3(b),  (μb) → 10−6(b),  (nb) → 10−9(b).

Maxwellian Average :
σmacs(T) =
2
 
 
π
EU
 
EL
σ(E,T) ⋅ E ⋅ exp (
E
  
kBT
) dE
 
EU
 
EL
E ⋅ exp (
E
  
kBT
) dE
,
where T denotes the temperature, and kB the Boltzmann constant. The upper and lower limits of integration, EL and EU are set to 10−5 eV and 10 eV, respectively.
Resonance Integral :
σri(T) =
EU
 
EL
σ(E,T) ⋅
1
 
E
dE ,
with  EL = 0.5 eV  and  EU = 10 MeV.
U-235 Thermal Fission-Neutron Spectrum Average (Fiss. Spec. Average) :
σfacs(T) =
EU
 
EL
σ(E,T) ⋅
 
4
 
πa3b
⋅ exp (
ab E
     
4 a
) ⋅ sinh
 
bE
dE
 
EU
 
EL
 
4
 
πa3b
⋅ exp (
ab E
     
4 a
) ⋅ sinh
 
bE
dE
,
with  EL = 10−5 eV  and  EU = 20 MeV. The parameters a and b are 0.988 MeV and 2.249 MeV−1, respectively.
Westcott g-factor :
g(T) =
σmacs(T)
 
σ(0.0253 eV,T)
 .