element
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Information about Oxygen-21:
 |  | (no NIST x-ray data) | (no NIST attenuation data) | | Wikipedia | Neutron Cross Sections | X-Ray Transitions | X-Ray Attenuation |
Mass-Energy Data:
| Atomic Mass: | 21.008655 | ± | 0.000013 | amu |
| Excess Mass (Δ): | 8.061736 | ± | 0.012026 | MeV |
| Binding Energy: | 155.177216 | ± | 0.012026 | MeV |
| β- Decay Energy: | 8.109316 | ± | 0.012160 | 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: 2,3/2,5/
- Half life: 3.42 s ( 3.42 sec., λ = 0.202675 s-1)
- Mode of decay:
β- to
(Q = 8.109 MeV)
- Possible parent nuclides:
- β- + n 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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