element
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Information about Americium-238:
 |  |  | | | Wikipedia | Neutron Cross Sections | X-Ray Transitions | X-Ray Attenuation |
Mass-Energy Data:
| Atomic Mass: | 238.051978 | ± | 0.000054 | amu |
| Excess Mass (Δ): | 48.417037 | ± | 0.050726 | MeV |
| Binding Energy: | 1798.234218 | ± | 0.050727 | MeV |
| β- Decay Energy: | -0.967319 | ± | 0.062536 | 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: 1+
- Half life: 98 min ( 5880 sec., λ = 0.000117882 s-1)
- Mode of decay:
E.C. to
(Q = 2.260 MeV)
Branch ratio: >99.99 %
- Mode of decay:
α to
(Q = 6.040 MeV)
Branch ratio: 0.0001 %
- Possible parent nuclides:
- E.C. from
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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