66-Dy-149
basic
element
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66-dysprosium-149
- Atomic Mass: 148.9273340 +- 0.0000119 amu
- Excess Mass: -67687.950 +- 11.088 keV
- Binding Energy: 1218679.724 +- 11.090 keV
- Beta Decay Energy: B- -6013.690 +- 18.570 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.
- Spin: (7/2-)
- Half life: 4.20 min
- Mode of decay: Electron capture to Tb-149
Meta state at 2.661 Mev
- Spin: 27/2-)
- Half life: 0.490 s
- Mode of decay: IT
- Branch ratio: 99.30 %
- Decay energy: 2.661 MeV
- Mode of decay: Electron capture to Tb-149
- Branch ratio: 0.70 %
- Decay energy: 6.473 MeV
- Possible parent nuclides:
- Electron capture from Ho-149
- Alpha from Er-153
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 | 4.23 m | 7/2- | | -0.119(7) | | | | [163Dy] | CFBLS | PC Neugart (87) |
| | | | | | -0.62(5) | | [163Dy] | CFBLS | PC Neugart (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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