57-La-149
basic
fission yield
element
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57-lanthanum-149
- Atomic Mass: 148.9343700 +- 0.0003200 amu #
- Excess Mass: -61134.000 +- 298.000 keV #
- Binding Energy: 1219167.000 +- 298.000 keV #
- Beta Decay Energy: B- 5664.000 +- 308.000 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.
- Half life: 1.05 s
- Mode of decay: Beta to Ce-149
- Mode of decay: Beta + Neutron to Ce-148
- Branch ratio: 1.40 %
- Decay energy: 1.100 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)
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