Basic Info
Fission Yield
n-XS summary
element
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Information about Samarium-149:
 |  |  | | | Wikipedia | Neutron Cross Sections | X-Ray Transitions | X-Ray Attenuation |
Mass-Energy Data:
| Atomic Mass: | 148.917180 | ± | 0.000003 | amu |
| Excess Mass (Δ): | -77.146768 | ± | 0.002922 | MeV |
| Binding Energy: | 1231.267955 | ± | 0.002929 | MeV |
| β- Decay Energy: | -0.695268 | ± | 0.003832 | 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:
- Atomic Percent Abundance: 13.8%
- Spin: 7/2-
- Half life: >2E+15 years ( 0 sec., λ = inf s-1)
- Mode of decay: α to
- Possible parent nuclides:
- β- from
- 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 | > 2x10*15 y | 7/2- | | -0.6677(11) | | | | "[147,147Sm]" | LRFS | JP G16 105 (90) |
| | | | -0.6717(7) | | | | [147Sm] | AB | PRS 293A 117 (66) |
| | | | -0.6708(10) | | | | [147Sm] | CFBLS | IzF 49 24 (85)/YadF 44 1134 (86) |
| | | | | | +0.078(8) | | "[147,147Sm]" | LRFS | JP G16 105 (90) |
| | | | | | +0.075(2) | | | "AB, R" | JP G18 1177 (92)/PR A6 2011 (72) |
| | | | | | +0.075(8) | | [147Sm] | AB | PRS 293A 117 (66) |
| | | | | | +0.07(2) | | [147Sm] | CFBLS | IzF 49 24 (85)/YadF 44 1134 (86) |
| | | | | | +0.09(2) a | | | Mu-X | NP A364 446 (81) |
| 23 | 7.6 ns | 5/2- | | -0.6238(8) | | | | [149Sm] | ME | Cf70Reho 720 (70) |
| | | | | | +1.01(9) a | | | Mu-X | NP A364 446 (81) |
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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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