| MT | Reaction | 0.0253-eV | Maxwellian Average |
g-factor | Resonance Integral |
14-MeV | Fiss. Spec. Average |
|---|---|---|---|---|---|---|---|
| 1 | (n,total) | 164.6 (b) | 176.0 (b) | 1.069 | − | 5.512 (b) | 6.814 (b) |
| 2 | (n,elastic) | 8.969 (b) | 10.10 (b) | 1.126 | − | 2.746 (b) | 4.542 (b) |
| 4 | (n,inelastic) | ( E-thr = 79.15 keV ) | 472.7 (mb) | 2.195 (b) | |||
| 16 | (n,2n) | ( E-thr = 6.474 MeV ) | 2.284 (b) | 6.657 (mb) | |||
| 17 | (n,3n) | ( E-thr = 13.34 MeV ) | 4.150 (mb) | 5.709 (μb) | |||
| 22 | (n,na) | 0.000 (b) | 0.000 (b) | − | 304.6 (nb) | 32.13 (μb) | 18.55 (nb) |
| 28 | (n,np) | ( E-thr = 6.468 MeV ) | 41.98 (μb) | 25.69 (nb) | |||
| 32 | (n,nd) | ( E-thr = 11.60 MeV ) | 423.1e-15 (b) | 43.57e-12 (b) | |||
| 102 | (n,γ) | 155.6 (b) | 165.9 (b) | 1.066 | 748.3 (b) | 1.919 (mb) | 71.14 (mb) |
| 103 | (n,p) | 0.000 (b) | 0.000 (b) | − | 32.02 (μb) | 4.524 (mb) | 2.271 (μb) |
| 104 | (n,d) | ( E-thr = 4.230 MeV ) | 394.2 (μb) | 82.83 (nb) | |||
| 105 | (n,t) | ( E-thr = 5.301 MeV ) | 7.044 (μb) | 2.398 (nb) | |||
| 107 | (n,a) | 0.000 (b) | 0.000 (b) | − | 21.93 (μb) | 841.1 (μb) | 1.570 (μb) |
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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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