| MT | Reaction | 0.0253-eV | Maxwellian Average |
g-factor | Resonance Integral |
14-MeV | Fiss. Spec. Average |
|---|---|---|---|---|---|---|---|
| 1 | (n,total) | 16.55 (b) | 17.03 (b) | 1.029 | − | 4.981 (b) | 5.836 (b) |
| 2 | (n,elastic) | 3.513 (b) | 3.967 (b) | 1.129 | − | 3.178 (b) | 4.515 (b) |
| 4 | (n,inelastic) | ( E-thr = 105.0 keV ) | 139.2 (mb) | 1.301 (b) | |||
| 16 | (n,2n) | ( E-thr = 6.879 MeV ) | 1.659 (b) | 6.235 (mb) | |||
| 17 | (n,3n) | ( E-thr = 15.71 MeV ) | − | 931.8 (nb) | |||
| 22 | (n,na) | ( E-thr = 3.086 MeV ) | 3.186 (μb) | 2.166 (nb) | |||
| 24 | (n,2na) | ( E-thr = 9.460 MeV ) | 461.8e-18 (b) | 91.99e-15 (b) | |||
| 28 | (n,np) | ( E-thr = 7.264 MeV ) | 317.0 (μb) | 96.32 (nb) | |||
| 29 | (n,n2a) | ( E-thr = 6.629 MeV ) | 43.84e-36 (b) | 23.83e-27 (b) | |||
| 30 | (n,2n2a) | ( E-thr = 12.65 MeV ) | 0.000 (b) | 0.000 (b) | |||
| 32 | (n,nd) | ( E-thr = 11.43 MeV ) | 12.33e-12 (b) | 123.7e-12 (b) | |||
| 33 | (n,nt) | ( E-thr = 13.75 MeV ) | 51.33e-24 (b) | 2.708e-12 (b) | |||
| 34 | (n,nHe-3) | ( E-thr = 15.50 MeV ) | − | 13.32e-24 (b) | |||
| 41 | (n,2np) | ( E-thr = 13.68 MeV ) | 118.9e-18 (b) | 16.49e-12 (b) | |||
| 44 | (n,n2p) | ( E-thr = 16.97 MeV ) | − | 41.90e-33 (b) | |||
| 45 | (n,npa) | ( E-thr = 10.92 MeV ) | 0.000 (b) | 1.395e-24 (b) | |||
| 102 | (n,γ) | 13.01 (b) | 13.01 (b) | 1.001 | 42.95 (b) | 1.509 (mb) | 12.93 (mb) |
| 103 | (n,p) | 0.000 (b) | 0.000 (b) | − | 105.0 (μb) | 6.815 (mb) | 6.093 (μb) |
| 104 | (n,d) | ( E-thr = 5.023 MeV ) | 230.1 (μb) | 45.35 (nb) | |||
| 105 | (n,t) | ( E-thr = 5.131 MeV ) | 13.96 (μb) | 5.736 (nb) | |||
| 106 | (n,He-3) | ( E-thr = 9.194 MeV ) | 108.4e-18 (b) | 26.59e-15 (b) | |||
| 107 | (n,a) | 4.415 (nb) | 4.417 (nb) | 1.001 | 8.886 (μb) | 758.0 (μb) | 587.4 (nb) |
| 108 | (n,2a) | 0.000 (b) | 0.000 (b) | − | 75.36e-24 (b) | 84.73e-18 (b) | 1.860e-18 (b) |
| 111 | (n,2p) | ( E-thr = 9.123 MeV ) | 167.4e-18 (b) | 662.6e-18 (b) | |||
| 112 | (n,pa) | ( E-thr = 2.820 MeV ) | 18.90e-15 (b) | 342.2e-18 (b) | |||
| 115 | (n,pd) | ( E-thr = 14.73 MeV ) | − | 6.220e-24 (b) | |||
| 116 | (n,pt) | ( E-thr = 14.73 MeV ) | − | 300.9e-27 (b) | |||
| 117 | (n,da) | ( E-thr = 8.683 MeV ) | 7.919e-30 (b) | 474.9e-24 (b) | |||
|
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 :
|