Basic Info
n-XS summary
element
|
Information about Neptunium-238:
 |  |  | | | Wikipedia | Neutron Cross Sections | X-Ray Transitions | X-Ray Attenuation |
Total Cross Section
- at 0.0253 eV = 2533 b
- Maxwell avg. at 0.0253 eV = 2251 b
- at 14 MeV = 5.871 b
- Fission spectrum avg. = 7.782 b
- g-factor = 1.0029
Elastic Scattering Cross Section
- at 0.0253 eV = 12.41 b
- Maxwell avg. at 0.0253 eV = 12.41 b
- at 14 MeV = 3.141 b
- Fission spectrum avg. = 5.111 b
- g-factor = 1.1284
Total Inelastic Cross Section
- at 14 MeV = 10.12 mb
- Fission spectrum avg. = 1.126 b
(n, 2n) Cross Section
- at 14 MeV = 252.9 mb
- Fission spectrum avg. = 8.266 mb
(n, 3n) Cross Section
- at 14 MeV = 229.6 mb
- Fission spectrum avg. = 27.55 micro barn
Total Fission Cross Section
- at 0.0253 eV = 2070 b
- Maxwell avg. at 0.0253 eV = 1835 b
- Resonance integral = 940.2 b
- at 14 MeV = 2.236 b
- Fission spectrum avg. = 1.421 b
- g-factor = 1.0004
Radiative Capture Cross Section
- at 0.0253 eV = 450.1 b
- Maxwell avg. at 0.0253 eV = 398.9 b
- Resonance integral = 201.1 b
- at 14 MeV = 1.000 mb
- Fission spectrum avg. = 113.5 mb
- g-factor = 1.0000
XS averaged from JENDL3.2 , Courtesy of T.Nakagawa at JAERI
|