element
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Information about Erbium-155:
 |  |  | | | Wikipedia | Neutron Cross Sections | X-Ray Transitions | X-Ray Attenuation |
Mass-Energy Data:
| Atomic Mass: | 154.933204 | ± | 0.000054 | amu |
| Excess Mass (Δ): | -62.219810 | ± | 0.050193 | MeV |
| Binding Energy: | 1260.074814 | ± | 0.050193 | MeV |
| β- Decay Energy: | -5.577123 | ± | 0.051692 | 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: 7/2-
- Half life: 5.3 min ( 318 sec., λ = 0.00217971 s-1)
- Mode of decay:
E.C. to
(Q = 3.840 MeV)
Branch ratio: 99.98 %
- Mode of decay:
α to
(Q = 4.120 MeV)
Branch ratio: 0.02 %
- 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 | 5.3 m | 7/2- | | -0.669(4) | | | | [167Er] | CFBLS | Cf85Bomb 175 (85) |
| | | | | | -0.27(2) | | [167Er] | CFBLS | Cf85Bomb 175 (85) |
| 563 | 30 ns | 13/2+ | | -0.55(3) | | | | | TDPAD | PR C30 169 (84) |
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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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