56-Ba-129
basic
XS graphs
element
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56-barium-129
- Atomic Mass: 128.9086737 +- 0.0000123 amu
- Excess Mass: -85069.842 +- 11.454 keV
- Binding Energy: 1082458.693 +- 11.456 keV
- Beta Decay Energy: B- -3720.000 +- 50.000 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: 1/2+
- Half life: 2.23 h
- Mode of decay: Electron capture to Cs-129
Meta state at 0.008 Mev
- Spin: 7/2+
- Half life: 2.16 h
- Mode of decay: Electron capture to Cs-129
- Branch ratio: <=100.00 %
- Decay energy: 0 2.440 MeV
- Mode of decay: IT to Ba-129
- Possible parent nuclides:
- Electron capture from La-129
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 | 2.23 h | 1/2+ | | -0.40(2) | | | | "[135,137Ba]" | "ABLRFS, R" | NP A403 234 (83)/ZP A291 219 (79) |
| | | | | | +1.60(13) st | | "[135,137Ba]" | "ABLRFS, R" | NP A403 234 (83)/ZP A291 219 (79) |
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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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