62-Sm-149
basic
fission yield
n-XS summary
XS graphs
element
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62-samarium-149
- Atomic Mass: 148.9171795 +- 0.0000031 amu
- Excess Mass: -77146.768 +- 2.922 keV
- Binding Energy: 1231267.955 +- 2.929 keV
- Beta Decay Energy: B- -695.268 +- 3.832 keV
"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.
- Atomic Percent Abundance: 13.8%
- Spin: 7/2-
- Half life: >2E+15 years
- Mode of decay: Alpha to Nd-145
- Possible parent nuclides:
- Beta from Pm-149
- Electron capture from Eu-149
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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