element
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Information about Beryllium-12:
 |  | (no NIST x-ray data) | (no NIST attenuation data) | | Wikipedia | Neutron Cross Sections | X-Ray Transitions | X-Ray Attenuation |
Mass-Energy Data:
| Atomic Mass: | 12.026921 | ± | 0.000016 | amu |
| Excess Mass (Δ): | 25.076402 | ± | 0.015005 | MeV |
| Binding Energy: | 68.650058 | ± | 0.015005 | MeV |
| β- Decay Energy: | 11.707501 | ± | 0.015071 | 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: 0+
- Half life: 23.6 ms ( 0.0236 sec., λ = 29.3706 s-1)
- Mode of decay:
β- to
(Q = 11.708 MeV)
- Mode of decay: β- + n to
(Q = 8.337 MeV)
Branch ratio: <1.0 %
- Possible parent nuclides:
- n emission 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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