66-Dy-154

Reaction 0.0253-eV Maxwellian
Average
g-factor Resonance
Integral
14-MeV Fiss. Spec.
Average
(n,total) 42.78 (b) 43.67 (b) 1.021 5.060 (b) 6.400 (b)
(n,elastic) 6.742 (b) 7.613 (b) 1.129 2.579 (b) 4.015 (b)
(n,inelastic) ( E-thr = 105.0 keV ) 963.3 (mb) 1.766 (b)
(n,2n) ( E-thr = 9.381 MeV ) 1.476 (b) 745.8 (μb)
(n,3n) ( E-thr = 16.52 MeV ) 124.4 (nb)
(n,na) 53.80e-24 (b) 54.55e-24 (b) 0.000 697.5 (μb) 9.160 (mb) 25.94 (μb)
(n,2na) ( E-thr = 5.799 MeV ) 7.796 (μb) 14.84 (nb)
(n,np) ( E-thr = 6.409 MeV ) 3.701 (mb) 846.1 (nb)
(n,n2a) 0.000 (b) 0.000 (b) 62.38e-12 (b) 304.0 (nb) 87.87e-12 (b)
(n,nd) ( E-thr = 12.89 MeV ) 35.27e-27 (b) 8.974e-12 (b)
(n,n He-3) ( E-thr = 15.13 MeV ) 1.272e-12 (b)
(n,3nf) ( E-thr = 3.690 MeV ) 16.63e-12 (b) 2.534e-12 (b)
(n,γ) 36.01 (b) 36.03 (b) 1.001 1.443 (kb) 3.121 (mb) 616.9 (mb)
(n,p) 0.000 (b) 0.000 (b) 754.2 (μb) 19.49 (mb) 43.04 (μb)
(n,d) ( E-thr = 4.169 MeV ) 1.417 (mb) 311.2 (nb)
(n,t) ( E-thr = 6.595 MeV ) 6.495 (μb) 3.424 (nb)
(n,He-3) ( E-thr = 2.561 MeV ) 3.544 (nb) 7.568e-12 (b)
(n,a) 7.561 (mb) 7.565 (mb) 1.001 200.3 (mb) 7.936 (mb) 833.8 (μb)
(n,2a) 581.9e-15 (b) 590.0e-15 (b) 1.014 199.3 (nb) 6.375 (μb) 9.829 (nb)
(n,2p) ( E-thr = 4.041 MeV ) 92.90 (nb) 46.87e-12 (b)
(n,pa) 0.000 (b) 0.000 (b) 792.5e-12 (b) 659.2 (nb) 241.1e-12 (b)
MT = 117 ( E-thr = 1.450 MeV ) 135.2e-12 (b) 2.323e-12 (b)

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)
 .