14-Si-28

Reaction 0.0253-eV Maxwellian
Average
g-factor Resonance
Integral
14-MeV Fiss. Spec.
Average
total 2.161 (b) 2.418 (b) 1.119 1.757 (b) 3.203 (b)
elastic 1.992 (b) 2.249 (b) 1.129 735.4 (mb) 2.990 (b)
inelastic ( E-thr = 1.843 MeV ) 453.1 (mb) 204.1 (mb)
(n,2n) ( E-thr = 17.80 MeV ) 1.132 (nb)
(n,na) ( E-thr = 10.34 MeV ) 11.60 (mb) 2.832 (μb)
(n,np) ( E-thr = 12.00 MeV ) 71.27 (mb) 10.51 (μb)
capture 169.1 (mb) 169.3 (mb) 1.001 84.19 (mb) 663.1 (μb) 499.5 (μb)
(n,p) ( E-thr = 4.000 MeV ) 261.6 (mb) 5.919 (mb)
(n,a) ( E-thr = 2.750 MeV ) 221.5 (mb) 2.672 (mb)
MT = 600 ( E-thr = 4.000 MeV ) 6.688 (mb) 1.949 (mb)
MT = 601 ( E-thr = 4.032 MeV ) 4.891 (mb) 1.966 (mb)
MT = 602 ( E-thr = 5.008 MeV ) 1.065 (mb) 163.9 (μb)
MT = 603 ( E-thr = 5.050 MeV ) 5.799 (mb) 501.7 (μb)
MT = 604 ( E-thr = 5.423 MeV ) 3.145 (mb) 238.3 (μb)
MT = 605 ( E-thr = 5.679 MeV ) 3.015 (mb) 166.6 (μb)
MT = 606 ( E-thr = 5.682 MeV ) 4.550 (mb) 226.3 (μb)
MT = 607 ( E-thr = 6.216 MeV ) 4.148 (mb) 105.8 (μb)
MT = 608 ( E-thr = 6.281 MeV ) 2.719 (mb) 70.49 (μb)
MT = 609 ( E-thr = 6.354 MeV ) 4.577 (mb) 74.79 (μb)
MT = 610 ( E-thr = 6.576 MeV ) 3.883 (mb) 61.60 (μb)
MT = 611 ( E-thr = 6.658 MeV ) 4.389 (mb) 56.41 (μb)
MT = 612 ( E-thr = 6.675 MeV ) 3.289 (mb) 28.99 (μb)
MT = 613 ( E-thr = 6.752 MeV ) 4.257 (mb) 44.86 (μb)
MT = 614 ( E-thr = 7.095 MeV ) 2.337 (mb) 21.80 (μb)
MT = 649 ( E-thr = 7.121 MeV ) 202.8 (mb) 241.9 (μb)
MT = 800 ( E-thr = 2.750 MeV ) 9.064 (mb) 1.512 (mb)
MT = 801 ( E-thr = 3.356 MeV ) 3.497 (mb) 382.5 (μb)
MT = 802 ( E-thr = 3.760 MeV ) 6.221 (mb) 339.2 (μb)
MT = 803 ( E-thr = 4.420 MeV ) 9.037 (mb) 151.1 (μb)
MT = 804 ( E-thr = 4.785 MeV ) 8.243 (mb) 108.6 (μb)
MT = 805 ( E-thr = 5.406 MeV ) 3.354 (mb) 21.78 (μb)
MT = 806 ( E-thr = 5.586 MeV ) 8.023 (mb) 32.36 (μb)
MT = 807 ( E-thr = 5.652 MeV ) 5.523 (mb) 24.33 (μb)
MT = 808 ( E-thr = 6.278 MeV ) 7.330 (mb) 13.31 (μb)
MT = 809 ( E-thr = 6.287 MeV ) 5.465 (mb) 11.12 (μb)
MT = 810 ( E-thr = 6.798 MeV ) 6.548 (mb) 7.365 (μb)
MT = 811 ( E-thr = 6.864 MeV ) 6.936 (mb) 7.148 (μb)
MT = 812 ( E-thr = 6.956 MeV ) 6.444 (mb) 5.689 (μb)
MT = 813 ( E-thr = 7.181 MeV ) 2.396 (mb) 1.894 (μb)
MT = 814 ( E-thr = 7.266 MeV ) 4.298 (mb) 2.896 (μb)
MT = 815 ( E-thr = 7.631 MeV ) 5.325 (mb) 2.405 (μb)
MT = 816 ( E-thr = 7.642 MeV ) 3.876 (mb) 1.760 (μb)
MT = 817 ( E-thr = 7.943 MeV ) 4.894 (mb) 1.571 (μb)
MT = 818 ( E-thr = 8.050 MeV ) 1.855 (mb) 593.6 (nb)
MT = 819 ( E-thr = 8.190 MeV ) 2.821 (mb) 568.8 (nb)
MT = 820 ( E-thr = 8.408 MeV ) 1.835 (mb) 318.0 (nb)
MT = 821 ( E-thr = 8.422 MeV ) 1.713 (mb) 375.9 (nb)
MT = 822 ( E-thr = 8.470 MeV ) 3.543 (mb) 717.0 (nb)
MT = 823 ( E-thr = 8.483 MeV ) 2.370 (mb) 391.4 (nb)
MT = 824 ( E-thr = 8.701 MeV ) 3.438 (mb) 599.7 (nb)
MT = 825 ( E-thr = 8.704 MeV ) 3.474 (mb) 585.1 (nb)
MT = 826 ( E-thr = 8.752 MeV ) 3.605 (mb) 603.2 (nb)
MT = 827 ( E-thr = 8.821 MeV ) 3.229 (mb) 499.0 (nb)
MT = 828 ( E-thr = 8.937 MeV ) 2.972 (mb) 440.1 (nb)
MT = 829 ( E-thr = 8.943 MeV ) 2.915 (mb) 415.3 (nb)
MT = 830 ( E-thr = 9.009 MeV ) 1.576 (mb) 199.5 (nb)
MT = 831 ( E-thr = 9.051 MeV ) 2.733 (mb) 365.0 (nb)
MT = 849 ( E-thr = 9.141 MeV ) 76.90 (mb) 37.80 (μb)

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)
 .