91-Pa-239
basic
element
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91-protactinium-239
- Atomic Mass: 239.0571300 +- 0.0003200 amu #
- Excess Mass: 53216.000 +- 298.000 keV #
- Binding Energy: 1804636.000 +- 298.000 keV #
- Beta Decay Energy: B- 2648.000 +- 298.000 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: (1/2+)
- Half life: 106 min
- Mode of decay: Beta to U-239
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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