94-Pu-240

Reaction 0.0253-eV Maxwellian
Average
g-factor Resonance
Integral
14-MeV Fiss. Spec.
Average
total 292.0 (b) 300.1 (b) 1.028 5.951 (b) 7.893 (b)
elastic 2.667 (b) 2.828 (b) 1.060 2.655 (b) 4.724 (b)
inelastic ( E-thr = 43.00 keV ) 440.3 (mb) 1.754 (b)
(n,2n) ( E-thr = 6.562 MeV ) 615.6 (mb) 3.705 (mb)
(n,3n) ( E-thr = 12.23 MeV ) 24.61 (mb) 3.852 (μb)
fission 36.21 (mb) 37.84 (mb) 1.045 8.130 (b) 2.208 (b) 1.328 (b)
(n,fission) 36.21 (mb) 37.84 (mb) 1.045 7.642 (b) 840.8 (mb) 1.304 (b)
(n,n,fiss) ( E-thr = 1.300 MeV ) 1.264 (b) 23.82 (mb)
(n,2n,fiss) ( E-thr = 8.000 MeV ) 103.3 (mb) 15.93 (μb)
(n,3nfiss) ( E-thr = 14.00 MeV ) 0.000 (b) 4.768 (nb)
capture 289.3 (b) 297.2 (b) 1.027 8.502 (kb) 1.093 (mb) 81.54 (mb)

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)
 .