103-Lr-257
basic
element
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103-lawrencium-257
Contribution from TON user: Jag Tuli (tuli@bnlnd2.dne.bnl.gov)
For 257Lr there should be no SF branch.
3 Dec 1999
- Atomic Mass: 257.0996060 +- 0.0002230 amu #
- Excess Mass: 92782.000 +- 207.000 keV #
- Binding Energy: 1900965.000 +- 207.000 keV #
- Beta Decay Energy: B- -3229.000 +- 337.000 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: (9/2+)
- Half life: 0.646 s
- Mode of decay: Alpha to Md-253
- Mode of decay: SF
- Branch ratio: <0.0065 %
- Decay energy: 9.010 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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