57-La-139
basic
fission yield
n-XS summary
XS graphs
element
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57-lanthanum-139
- Atomic Mass: 138.9063482 +- 0.0000035 amu
- Excess Mass: -87236.114 +- 3.215 keV
- Binding Energy: 1164555.840 +- 3.221 keV
- Beta Decay Energy: B- -278.000 +- 7.000 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.
- Atomic Percent Abundance: 99.9098%
- Spin: 7/2+
- Stable Isotope
- Possible parent nuclides:
- Beta from Ba-139
- Electron capture from Ce-139
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 | 7/2+ | | +2.7830455(9) | | | | [2H] | "N, O" | PL 62A 131 (77)/ZP 116 547 (40) |
| | | | | | +0.20(1) st | | | "CFBLS, R" | ZP A304 285 (82)/ZP A304 279 (82) |
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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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