57-La-138
basic
fission yield
n-XS summary
XS graphs
element
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57-lanthanum-138
- Atomic Mass: 137.9071068 +- 0.0000044 amu
- Excess Mass: -86529.421 +- 4.118 keV
- Binding Energy: 1155777.825 +- 4.122 keV
- Beta Decay Energy: B- 1044.439 +- 10.580 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: 0.0902%
- Spin: 5+
- Half life: 1.05E+11 years
- Mode of decay: Electron capture to Ba-138
- Branch ratio: 66.40 %
- Decay energy: 1.737 MeV
- Mode of decay: Beta to Ce-138
- Branch ratio: 33.60 %
- Decay energy: 1.044 MeV
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 | 1.1x10*11 y | 5+ | | +3.713646(7) | | | | [139La] | N | PL 62A 131 (77)/PR 99 613 (55) |
| | | | | | +0.45(2) st | | [139La] | ABLDF | PR A20 1922 (79) |
| | | | | | 0.43(2) st | | [139La] | QIR | PL 62A 131 (77) |
73 | 116 ns | 3+ | | +2.89(5) | | | | [19F 197] | TDPAD | ZP A291 49 (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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