| MT | Reaction | 0.0253-eV | Maxwellian Average |
g-factor | Resonance Integral |
14-MeV | Fiss. Spec. Average |
|---|---|---|---|---|---|---|---|
| 1 | (n,total) | 11.28 (b) | 12.54 (b) | 1.112 | − | 5.059 (b) | 6.590 (b) |
| 2 | (n,elastic) | 9.791 (b) | 11.05 (b) | 1.129 | − | 2.775 (b) | 4.771 (b) |
| 4 | (n,inelastic) | ( E-thr = 105.0 keV ) | 440.6 (mb) | 1.791 (b) | |||
| 16 | (n,2n) | ( E-thr = 7.618 MeV ) | 1.834 (b) | 5.790 (mb) | |||
| 17 | (n,3n) | ( E-thr = 13.41 MeV ) | 2.328 (mb) | 6.026 (μb) | |||
| 22 | (n,na) | 0.000 (b) | 0.000 (b) | − | 5.690 (μb) | 455.9 (μb) | 319.1 (nb) |
| 24 | (n,2na) | ( E-thr = 6.029 MeV ) | 379.5 (nb) | 247.0e-12 (b) | |||
| 28 | (n,np) | ( E-thr = 8.648 MeV ) | 19.64 (μb) | 22.45 (nb) | |||
| 29 | (n,n2a) | 0.000 (b) | 0.000 (b) | − | 156.4e-12 (b) | 1.162 (μb) | 370.9e-12 (b) |
| 32 | (n,nd) | ( E-thr = 13.40 MeV ) | 1.451e-24 (b) | 12.41e-12 (b) | |||
| 33 | (n,nt) | ( E-thr = 12.90 MeV ) | 195.0e-30 (b) | 7.036e-12 (b) | |||
| 102 | (n,γ) | 1.490 (b) | 1.491 (b) | 1.000 | 2.699 (b) | 1.048 (mb) | 21.92 (mb) |
| 103 | (n,p) | ( E-thr = 3.459 MeV ) | 2.712 (mb) | 697.4 (nb) | |||
| 104 | (n,d) | ( E-thr = 6.408 MeV ) | 310.5 (μb) | 75.25 (nb) | |||
| 105 | (n,t) | ( E-thr = 7.103 MeV ) | 5.367 (μb) | 2.912 (nb) | |||
| 106 | (n,He-3) | ( E-thr = 7.405 MeV ) | 1.422e-15 (b) | 10.61e-15 (b) | |||
| 107 | (n,a) | 145.6 (nb) | 145.7 (nb) | 1.001 | 44.54 (μb) | 2.937 (mb) | 3.357 (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).
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 :
|