element
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Information about Francium-206:
 |  |  | | | Wikipedia | Neutron Cross Sections | X-Ray Transitions | X-Ray Attenuation |
Mass-Energy Data:
| Atomic Mass: | 205.998487 | ± | 0.000193 | amu |
| Excess Mass (Δ): | -1.409457 | ± | 0.180146 | MeV |
| Binding Energy: | 1596.037209 | ± | 0.180146 | MeV |
| β- Decay Energy: | -4.932000 | ± | 0.236000 | 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: 2+,3+)
- Half life: 15.9 s ( 15.9 sec., λ = 0.0435942 s-1)
- Mode of decay:
α to
(Q = 6.926 MeV)
- Mode of decay:
E.C. to
(Q = 7.750 MeV)
Meta state at 0.000 Mev
- Spin: (7+)
15.9
- Half life: ?15.9 s ( 0 sec., λ = inf s-1)
- Mode of decay:
α to
(Q = 6.926 MeV)
Branch ratio: <=84.00 %
Meta state at 0.650 Mev
- Spin: (10-)
?15.9
- Half life: 0.7 s ( 0.7 sec., λ = 0.99021 s-1)
- Mode of decay:
α to
(Q = 7.576 MeV)
- Mode of decay: γ (IT) to
(Q = 0.650 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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