Basic Info
n-XS summary
element
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Information about Neptunium-237:
 |  |  | | | Wikipedia | Neutron Cross Sections | X-Ray Transitions | X-Ray Attenuation |
Total Cross Section
- at 0.0253 eV = 192.1 b
- Maxwell avg. at 0.0253 eV = 171.2 b
- at 14 MeV = 5.539 b
- Fission spectrum avg. = 7.799 b
- g-factor = 1.0055
Elastic Scattering Cross Section
- at 0.0253 eV = 27.46 b
- Maxwell avg. at 0.0253 eV = 27.14 b
- at 14 MeV = 2.606 b
- Fission spectrum avg. = 4.965 b
- g-factor = 1.1152
Total Inelastic Cross Section
- at 14 MeV = 105.6 mb
- Fission spectrum avg. = 1.321 b
(n, 2n) Cross Section
- at 14 MeV = 492.5 mb
- Fission spectrum avg. = 3.120 mb
(n, 3n) Cross Section
- at 14 MeV = 87.93 mb
- Fission spectrum avg. = 14.05 micro barn
Total Fission Cross Section
- at 0.0253 eV = 22.49 mb
- Maxwell avg. at 0.0253 eV = 19.58 mb
- Resonance integral = 7.058 b
- at 14 MeV = 2.247 b
- Fission spectrum avg. = 1.335 b
- g-factor = 0.9825
Radiative Capture Cross Section
- at 0.0253 eV = 164.6 b
- Maxwell avg. at 0.0253 eV = 144.0 b
- Resonance integral = 661.2 b
- at 14 MeV = 0.2286 micro barn
- Fission spectrum avg. = 173.3 mb
- g-factor = 0.9872
XS averaged from JENDL3.2 , Courtesy of T.Nakagawa at JAERI
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