| MT | Reaction | 0.0253-eV | Maxwellian Average |
g-factor | Resonance Integral |
14-MeV | Fiss. Spec. Average |
|---|---|---|---|---|---|---|---|
| 1 | (n,total) | 22.26 (b) | 23.07 (b) | 1.036 | − | 4.338 (b) | 5.671 (b) |
| 2 | (n,elastic) | 6.488 (b) | 7.319 (b) | 1.128 | − | 2.827 (b) | 4.077 (b) |
| 4 | (n,inelastic) | ( E-thr = 41.44 keV ) | 157.3 (mb) | 1.570 (b) | |||
| 16 | (n,2n) | ( E-thr = 7.312 MeV ) | 1.311 (b) | 5.230 (mb) | |||
| 17 | (n,3n) | ( E-thr = 16.24 MeV ) | − | 607.6 (nb) | |||
| 22 | (n,na) | ( E-thr = 2.333 MeV ) | 2.104 (mb) | 481.5 (nb) | |||
| 28 | (n,np) | ( E-thr = 6.614 MeV ) | 6.941 (mb) | 1.607 (μb) | |||
| 32 | (n,nd) | ( E-thr = 11.09 MeV ) | 494.9 (nb) | 24.11 (nb) | |||
| 33 | (n,nt) | ( E-thr = 13.57 MeV ) | 0.000 (b) | 276.5e-12 (b) | |||
| 102 | (n,γ) | 15.77 (b) | 15.75 (b) | 0.999 | 125.4 (b) | 1.001 (mb) | 17.42 (mb) |
| 103 | (n,p) | 0.000 (b) | 0.000 (b) | − | 2.773 (mb) | 21.41 (mb) | 362.7 (μb) |
| 104 | (n,d) | ( E-thr = 4.279 MeV ) | 4.537 (mb) | 1.010 (μb) | |||
| 105 | (n,t) | ( E-thr = 4.837 MeV ) | 610.3 (μb) | 122.2 (nb) | |||
| 106 | (n,He-3) | ( E-thr = 8.491 MeV ) | 1.337 (nb) | 91.57e-12 (b) | |||
| 107 | (n,a) | 0.000 (b) | 0.000 (b) | − | 984.2 (μb) | 6.260 (mb) | 95.69 (μb) |
|
These cross sections are calculated from JENDL-3.2 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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