element
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Information about Astatine-214:
 |  |  | | | Wikipedia | Neutron Cross Sections | X-Ray Transitions | X-Ray Attenuation |
Mass-Energy Data:
| Atomic Mass: | 213.996356 | ± | 0.000005 | amu |
| Excess Mass (Δ): | -3.393980 | ± | 0.005055 | MeV |
| Binding Energy: | 1664.157022 | ± | 0.005063 | MeV |
| β- Decay Energy: | 0.940937 | ± | 0.010016 | 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: 558 ns ( 5.58×10+11 sec., λ = 1.2422×10-12 s-1)
- Mode of decay:
α to
(Q = 8.987 MeV)
Meta state at 0.059 Mev
558 - Half life: 265 ns ( 2.65×10+11 sec., λ = 2.61565×10-12 s-1)
- Mode of decay:
α to
(Q = 9.046 MeV)
Branch ratio: <100.00 %
Meta state at 0.231 Mev
- Spin: 9-
265
- Half life: 760 ns ( 7.6×10+11 sec., λ = 9.12036×10-13 s-1)
- Mode of decay:
α to
(Q = 0 9.218 MeV)
Branch ratio: <=100.00 %
- 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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