87-Fr-222
basic
element
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87-francium-222
- Atomic Mass: 222.0175440 +- 0.0000227 amu
- Excess Mass: 16342.089 +- 21.100 keV
- Binding Energy: 1707426.829 +- 21.102 keV
- Beta Decay Energy: B- 2032.647 +- 21.474 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: 2-
- Half life: 14.2 min
- Mode of decay: Beta to Ra-222
- Possible parent nuclides:
- Alpha from Ac-226
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 | 14.2 m | 2- | | +0.63(1) | | | | [211Fr] | ABLS | PL 163B 66 (85) |
| | | | | | +0.51(4) st | | [211Fr] | ABLS | PL 163B 66 (85) |
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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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