element
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Information about Neptunium-241:
 |  |  | | | Wikipedia | Neutron Cross Sections | X-Ray Transitions | X-Ray Attenuation |
Mass-Energy Data:
| Atomic Mass: | 241.058246 | ± | 0.000076 | amu |
| Excess Mass (Δ): | 54.256039 | ± | 0.070737 | MeV |
| Binding Energy: | 1818.173891 | ± | 0.070738 | MeV |
| β- Decay Energy: | 1.305000 | ± | 0.070711 | MeV |
"The 1995 update to the atomic mass evaluation" by G.Audi and A.H.Wapstra,
Nuclear Physics A595 vol. 4 p.409-480, December 25, 1995.
Radioactive Decay Data:
- Spin: (5/2+)
- Half life: 13.9 min ( 834 sec., λ = 0.000831112 s-1)
- Mode of decay:
β- to
(Q = 1.310 MeV)
R.R.Kinsey, et al.,The NUDAT/PCNUDAT Program for Nuclear Data,paper submitted to the 9 th International Symposium of Capture-Gamma_raySpectroscopy and Related Topics, Budapest, Hungary, Octover 1996.Data extracted from NUDAT database (Jan. 14/1999)
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