element
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Information about Beryllium-7:
 |  | (no NIST x-ray data) | (no NIST attenuation data) | | Wikipedia | Neutron Cross Sections | X-Ray Transitions | X-Ray Attenuation |
Mass-Energy Data:
| Atomic Mass: | 7.016929 | ± | 0.000001 | amu |
| Excess Mass (Δ): | 15.769489 | ± | 0.000472 | MeV |
| Binding Energy: | 37.600358 | ± | 0.000472 | MeV |
| β- Decay Energy: | -12.098376 | ± | 0.070713 | 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: 3/2-
- Half life: 53.29 days ( 4.60426×10+06 sec., λ = 1.50545×10-07 s-1)
- Mode of decay:
E.C. to
(Q = 0.862 MeV)
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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