element
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Information about Radium-212:
 |  |  | | | Wikipedia | Neutron Cross Sections | X-Ray Transitions | X-Ray Attenuation |
Mass-Energy Data:
| Atomic Mass: | 211.999783 | ± | 0.000015 | amu |
| Excess Mass (Δ): | -0.201676 | ± | 0.013616 | MeV |
| Binding Energy: | 1642.475011 | ± | 0.013619 | MeV |
| β- Decay Energy: | -7.477985 | ± | 0.093794 | 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: 13.0 s ( 13 sec., λ = 0.053319 s-1)
- Mode of decay:
α to
(Q = 7.032 MeV)
Branch ratio: ~90.00 %
- Mode of decay: E.C. to
(Q = 3.350 MeV)
Branch ratio: ~15.00 %
- Possible parent nuclides:
- 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)
Magnetic Dipole Moments and Electric Quadrupole Moments
| Ex(kev) | T1/2 | Spin | | m(nm) | | Q(b) | | Ref. Std. | Method | Reference |
| 1958 | 10.9 ms | 8+ | | 7.10(7) | | | | | SOPAD | PR C33 392 (86) |
| | | | | | Q/Q214Ra8+ | | [214Ra 1864] | LEMS | NP A555 629 (93) |
| | | | | | = 1.5(4) | | | | |
| 2613 | 0.85 ms | 11- | | 12.0(2) | | | | | SOPAD | PR C33 392 (86) |
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N. J. Stone, Table of Nuclear Magnetic Dipole and Electric Quadrupole Moments, to be published. 2000 Courtesy of T. Burrows at BNL/NNDC.
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