element
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Information about Radium-229:
| | | | Wikipedia | Neutron Cross Sections | X-Ray Transitions | X-Ray Attenuation |
Mass-Energy Data:
Atomic Mass: | 229.034820 | ± | 0.000067 | amu |
Excess Mass (Δ): | 32.434904 | ± | 0.062117 | MeV |
Binding Energy: | 1747.050920 | ± | 0.062118 | MeV |
β- Decay Energy: | 1.760000 | ± | 0.040000 | 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: 5/2(+)
- Half life: 4.0 min ( 240 sec., λ = 0.00288811 s-1)
- Mode of decay:
β- to
 (Q = 1.760 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)
Magnetic Dipole Moments and Electric Quadrupole Moments
Ex(kev) | T1/2 | Spin | | m(nm) | | Q(b) | | Ref. Std. | Method | Reference |
0 | 4.0 m | 5/2(+) | | +0.503(3) | | | | "[213,225Ra]" | "CFBLS, R" | NP A483 244 (88)/PRL 59 771 (87) |
| | | | | | +3.1(2) st | | "[221,223Ra]" | CFBLS | ZP D11 105 (89) |
| | | | | | +3.0(3) st | | | "CFBLS, R" | NP A483 244 (88)/ZP D4 227 (87) |
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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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