element
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Information about Samarium-143:
 |  |  | | | Wikipedia | Neutron Cross Sections | X-Ray Transitions | X-Ray Attenuation |
Mass-Energy Data:
| Atomic Mass: | 142.914624 | ± | 0.000004 | amu |
| Excess Mass (Δ): | -79.527634 | ± | 0.004029 | MeV |
| Binding Energy: | 1185.220885 | ± | 0.004034 | MeV |
| β- Decay Energy: | -5.275123 | ± | 0.013733 | 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: 8.83 min ( 529.8 sec., λ = 0.00130832 s-1)
- Mode of decay:
E.C. to
(Q = 3.443 MeV)
Meta state at 0.754 Mev
- Spin: 11/2-
8.83
- Half life: 66 s ( 66 sec., λ = 0.0105022 s-1)
- Mode of decay: γ (IT) (Q = 0.754 MeV)
Branch ratio: 99.76 %
- Mode of decay:
E.C. to
(Q = 4.197 MeV)
Branch ratio: 0.24 %
Meta state at 2.795 Mev
- Spin: 23/2-
66 3
- Half life: 30 ms ( 0.03 sec., λ = 23.1049 s-1)
- Mode of decay: γ (IT) (Q = 2.795 MeV)
- Possible parent nuclides:
- E.C. 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 | 8.83 m | 3/2+ | | +1.01(2) | | | | "[145,7,9Sm]" | LRIMS | JP G18 1177 (92) |
| | | | | | +0.4(2) | | "[145,7,9Sm]" | LRIMS | JP G18 1177 (92) |
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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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