element
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Information about Francium-215:
 |  |  | | | Wikipedia | Neutron Cross Sections | X-Ray Transitions | X-Ray Attenuation |
Mass-Energy Data:
| Atomic Mass: | 215.000326 | ± | 0.000008 | amu |
| Excess Mass (Δ): | 0.303694 | ± | 0.007550 | MeV |
| Binding Energy: | 1666.965964 | ± | 0.007556 | MeV |
| β- Decay Energy: | -2.215247 | ± | 0.010037 | MeV |
"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.
Radioactive Decay Data:
- Spin: 9/2-
- Half life: 86 ns ( 8.6×10+10 sec., λ = 8.05985×10-12 s-1)
- Possible parent nuclides:
- α from
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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