element
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Information about Radium-222:
 |  |  | | | Wikipedia | Neutron Cross Sections | X-Ray Transitions | X-Ray Attenuation |
Mass-Energy Data:
| Atomic Mass: | 222.015362 | ± | 0.000005 | amu |
| Excess Mass (Δ): | 14.309441 | ± | 0.004942 | MeV |
| Binding Energy: | 1708.677123 | ± | 0.004951 | MeV |
| β- Decay Energy: | -2.298025 | ± | 0.006672 | 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: 38.0 s ( 38 sec., λ = 0.0182407 s-1)
- Mode of decay:
α to
(Q = 6.681 MeV)
- Mode of decay: 14C
(Q = 33.053 MeV)
Branch ratio: 3.0E-8 %
- Possible parent nuclides:
- β- from
- 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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