87-Fr-215
basic
element
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87-francium-215
- Atomic Mass: 215.0003260 +- 0.0000081 amu
- Excess Mass: 303.694 +- 7.550 keV
- Binding Energy: 1666965.964 +- 7.556 keV
- Beta Decay Energy: B- -2215.247 +- 10.037 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: 86 ns
- Mode of decay: Alpha to At-211
- Possible parent nuclides:
- Alpha from Ac-219
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 |
1500+/-75 | 4 ns | (21/2)+/-1 | | g=0.33(10) | | | | | TDPAD | NP A419 163 (84) |
2016 | 4.7 ns | 29/2+ | | 7(3) | | | | | TDPAD | NP A419 163 (84) |
2251 | 5.3 ns | 33/2+ | | 8(2) | | | | | TDPAD | NP A419 163 (84) |
3068 | 14.6 ns | 39/2- | | 9.2(2) | | | | | TDPAD | NP A419 163 (84) |
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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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