Basic Info
n-XS summary
element
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Information about Actinium-227:
 |  |  | | | Wikipedia | Neutron Cross Sections | X-Ray Transitions | X-Ray Attenuation |
Mass-Energy Data:
| Atomic Mass: | 227.027747 | ± | 0.000003 | amu |
| Excess Mass (Δ): | 25.846141 | ± | 0.002709 | MeV |
| Binding Energy: | 1736.714684 | ± | 0.002726 | MeV |
| β- Decay Energy: | 0.044824 | ± | 0.000830 | 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: 21.773 years ( 6.8672×10+08 sec., λ = 1.00936×10-09 s-1)
- Mode of decay:
β- to
(Q = 0.045 MeV)
Branch ratio: 98.62 %
- Mode of decay:
α to
(Q = 5.042 MeV)
Branch ratio: 1.38 %
- 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)
Magnetic Dipole Moments and Electric Quadrupole Moments
| Ex(kev) | T1/2 | Spin | | m(nm) | | Q(b) | | Ref. Std. | Method | Reference |
| 0 | 21.77 y | 3/2- | | +1.1(1) | | | | | O | PR 98 1514 (55)/PR 111 1747 (58) |
| | | | | | +1.7(2) | | | O | PR 98 1514 (55)/PR 111 1747 (58) |
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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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