element
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Information about Astatine-216:
| | | | Wikipedia | Neutron Cross Sections | X-Ray Transitions | X-Ray Attenuation |
Mass-Energy Data:
Atomic Mass: | 216.002409 | ± | 0.000005 | amu |
Excess Mass (Δ): | 2.243818 | ± | 0.004234 | MeV |
Binding Energy: | 1674.661869 | ± | 0.004244 | MeV |
β- Decay Energy: | 2.003351 | ± | 0.008009 | 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: 0.30 ms ( 0.0003 sec., λ = 2310.49 s-1)
- Mode of decay:
α to
 (Q = 7.949 MeV)
- Mode of decay: β- to
 (Q = 2.003 MeV)
Branch ratio: <0.0060 %
- Mode of decay: E.C. to
 (Q = 0.469 MeV)
Branch ratio: <3.0E-7 %
Meta state at 0.413 Mev
- Spin: (9-)
0.30
- Half life: 0.1 ms ( 0.0001 sec., λ = 6931.47 s-1)
- Mode of decay:
α to
 (Q = 8.362 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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