element
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Information about Barium-127:
 |  |  | | | Wikipedia | Neutron Cross Sections | X-Ray Transitions | X-Ray Attenuation |
Mass-Energy Data:
| Atomic Mass: | 126.911121 | ± | 0.000108 | amu |
| Excess Mass (Δ): | -82.789937 | ± | 0.100382 | MeV |
| Binding Energy: | 1064.036143 | ± | 0.100382 | MeV |
| β- Decay Energy: | -4.693000 | ± | 0.245000 | 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: 1/2+
- Half life: 12.7 min ( 762 sec., λ = 0.000909642 s-1)
- Mode of decay:
E.C. to
(Q = 3.450 MeV)
Meta state at 0.080 Mev
- Spin: 7/2-
12.7
- Half life: 1.9 s ( 1.9 sec., λ = 0.364814 s-1)
- Mode of decay: γ (IT) (Q = 0.080 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 | 12.7 m | 1/2(+) | | +0.0834(10) | | | | "[135,137Ba]" | CFBLS | JP G18 L67 (92) |
| | | | +0.089(12) | | | | "[135,137Ba]" | CFBLS | NP A403 234 (83) |
| 80 | 1.9 s | 7/2(-) | | -0.7227(5) | | | | "[135,137Ba]" | CFBLS | JP G18 L67 (92) |
| | | | | | +1.62(13) | | "[135,137Ba]" | CFBLS | JP G18 L67 (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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