element
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Information about Helium-5:
 |  | (no NIST x-ray data) | (no NIST attenuation data) | | Wikipedia | Neutron Cross Sections | X-Ray Transitions | X-Ray Attenuation |
Mass-Energy Data:
| Atomic Mass: | 5.012224 | ± | 0.000054 | amu |
| Excess Mass (Δ): | 11.386234 | ± | 0.050000 | MeV |
| Binding Energy: | 27.405673 | ± | 0.050000 | MeV |
| β- Decay Energy: | -0.292646 | ± | 0.070711 | 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: 0.60 MeV (7.6e-07 fs) ( 0 sec., λ = inf s-1)
- Mode of decay: α to
(Q = 0.890 MeV)
- Mode of decay: n emission to
(Q = 0.890 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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