54-Xe-129
basic
fission yield
n-XS summary
XS graphs
element
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54-xenon-129
- Atomic Mass: 128.9047795 +- 0.0000009 amu
- Excess Mass: -88697.350 +- 0.813 keV
- Binding Energy: 1087650.909 +- 0.832 keV
- Beta Decay Energy: B- -1195.955 +- 4.592 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: 26.4%
- Spin: 1/2+
- Stable Isotope
Meta state at 0.236 Mev
- Spin: 11/2-
- Half life: 8.88 d
- Mode of decay: IT
- Possible parent nuclides:
- Beta from I-129
- Electron capture from Cs-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 | stable | 1/2+ | | -0.777976(8) | | | | [2H] | N | HPAc 41 367 (68) |
40 | 0.98 ns | 3/2+ | | +0.58(8) | | | | [129Xe] | ME | JPCo 35 C6-301 (74) |
| | | | | | -0.41(4) | | [131Xe] | ME | PR 135 B1102 (64) |
236 | 8.89 d | 11/2- | | -0.8906(12) d | | | | [129Xe] | CFBLS | PC Neugart (90) |
| | | | -0.891223(4) | | | | [131Xe 164] | "N/OP, NO/S" | PR C34 1974 (86)/ZP 267 145 (74) |
| | | | 0.8911(5) | | | | [133Xe] | NMR/ON | ZP A326 255 (87) |
| | | | | | +0.64(2) | | [131Xe] | CFBLS | PC Neugart (90) |
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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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