element
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Information about Astatine-219:
 |  |  | | | Wikipedia | Neutron Cross Sections | X-Ray Transitions | X-Ray Attenuation |
Mass-Energy Data:
| Atomic Mass: | 219.011296 | ± | 0.000088 | amu |
| Excess Mass (Δ): | 10.522600 | ± | 0.081508 | MeV |
| Binding Energy: | 1690.597056 | ± | 0.081508 | MeV |
| β- Decay Energy: | 1.696853 | ± | 0.081468 | 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:
- Half life: 56 s ( 56 sec., λ = 0.0123776 s-1)
- Mode of decay:
α to
(Q = 6.390 MeV)
Branch ratio: ~97.00 %
- Mode of decay: β- to
(Q = 1.700 MeV)
Branch ratio: ~3.00 %
- 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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