element
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Information about Francium-218:
 |  |  | | | Wikipedia | Neutron Cross Sections | X-Ray Transitions | X-Ray Attenuation |
Mass-Energy Data:
| Atomic Mass: | 218.007563 | ± | 0.000006 | amu |
| Excess Mass (Δ): | 7.045191 | ± | 0.005450 | MeV |
| Binding Energy: | 1684.438435 | ± | 0.005458 | MeV |
| β- Decay Energy: | 0.409278 | ± | 0.012040 | 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: 1.0 ms ( 0.001 sec., λ = 693.147 s-1)
- Mode of decay:
α to
(Q = 8.014 MeV)
Meta state at 0.086 Mev
1.0 - Half life: 22.0 ms ( 0.022 sec., λ = 31.5067 s-1)
- Mode of decay:
α to
(Q = 0 8.100 MeV)
Branch ratio: <=100.00 %
- Mode of decay: γ (IT) to
(Q = 0.086 MeV)
- Possible parent nuclides:
- α 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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