56-Ba-121
basic
element
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56-barium-121
- Atomic Mass: 120.9244859 +- 0.0003255 amu
- Excess Mass: -70340.913 +- 303.202 keV
- Binding Energy: 1003159.182 +- 303.202 keV
- Beta Decay Energy: B- -7940.000 +- 587.000 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: 5/2(+)
- Half life: 29.5 s
- Mode of decay: Electron capture to Cs-121
- Mode of decay: EC + Proton to Xe-120
- Branch ratio: 0.02 %
- Decay energy: 4.200 MeV
- Possible parent nuclides:
- Electron capture from La-121
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 | 30 s | 5/2(+) | | +0.660(1) | | | | "[135,137Ba]" | CFBLS | PL 211B 272 (88) |
| | | | | | +1.79(12) st | | "[135,137Ba]" | CFBLS | PL 211B 272 (88) |
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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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