87-Fr-217
basic
element
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87-francium-217
- Atomic Mass: 217.0046165 +- 0.0000076 amu
- Excess Mass: 4300.196 +- 7.052 keV
- Binding Energy: 1679112.107 +- 7.058 keV
- Beta Decay Energy: B- -1573.813 +- 11.153 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: 22 us
- Mode of decay: Alpha to At-213
- Possible parent nuclides:
- Alpha from Ac-221
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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