| MT | Reaction | 0.0253-eV | Maxwellian Average |
g-factor | Resonance Integral |
14-MeV | Fiss. Spec. Average |
|---|---|---|---|---|---|---|---|
| 1 | (n,total) | 6.307 (b) | 7.107 (b) | 1.127 | − | 3.654 (b) | 4.887 (b) |
| 2 | (n,elastic) | 6.197 (b) | 6.997 (b) | 1.129 | − | 1.933 (b) | 3.947 (b) |
| 4 | (n,inelastic) | ( E-thr = 892.2 keV ) | 568.3 (mb) | 927.8 (mb) | |||
| 16 | (n,2n) | ( E-thr = 10.65 MeV ) | 1.138 (b) | 331.6 (μb) | |||
| 17 | (n,3n) | ( E-thr = 18.20 MeV ) | − | 4.470 (nb) | |||
| 22 | (n,na) | ( E-thr = 7.181 MeV ) | 479.8 (nb) | 2.000 (nb) | |||
| 28 | (n,np) | ( E-thr = 10.84 MeV ) | 46.28 (μb) | 67.50 (nb) | |||
| 102 | (n,γ) | 110.0 (mb) | 110.1 (mb) | 1.000 | 2.389 (b) | 800.4 (μb) | 11.24 (mb) |
| 103 | (n,p) | ( E-thr = 3.896 MeV ) | 14.60 (mb) | 10.52 (μb) | |||
| 104 | (n,d) | ( E-thr = 8.588 MeV ) | 307.5 (μb) | 87.26 (nb) | |||
| 105 | (n,t) | ( E-thr = 11.96 MeV ) | 7.949e-12 (b) | 194.3e-12 (b) | |||
| 106 | (n,He-3) | ( E-thr = 11.84 MeV ) | 0.000 (b) | 438.5e-18 (b) | |||
| 107 | (n,a) | ( E-thr = 399.8 keV ) | 279.9 (μb) | 381.8 (nb) | |||
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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).
MT is a number that defines a reaction type. For the relation between MT and reaction type, please see here or refer to the manual of ENDF formats.
Maxwellian Average :
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 :
with EL = 0.5 eV and EU = 10 MeV.
U-235 Thermal Fission-Neutron Spectrum Average (Fiss. Spec. Average) :
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 :
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