element
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Information about Francium-211:
 |  |  | | | Wikipedia | Neutron Cross Sections | X-Ray Transitions | X-Ray Attenuation |
Mass-Energy Data:
| Atomic Mass: | 210.995529 | ± | 0.000022 | amu |
| Excess Mass (Δ): | -4.164400 | ± | 0.020719 | MeV |
| Binding Energy: | 1639.148767 | ± | 0.020721 | MeV |
| β- Decay Energy: | -4.997152 | ± | 0.063778 | 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: 3.10 min ( 186 sec., λ = 0.0037266 s-1)
- Mode of decay:
α to
(Q = 6.660 MeV)
Branch ratio: >80.00 %
- Mode of decay:
E.C. to
(Q = 4.605 MeV)
Branch ratio: <20.00 %
- 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 |
| 0 | 3.1 m | 9/2- | | +4.00(8) | | | | | AB/D | PS 34 624 (86) |
| | | | | | -0.19(3) st | | | ABLS | PR 136B 66 (85) |
| 2423 | 146 ns | 29/2+ | | 15.37(15) | | | | | TDPAD | NP A448 137 (86) |
| | | | | | -1.1(2) | | [213Fr 2538] | LEMS | PR C43 514 (91) |
| 4657 | 123 ns | 45/2- | | 24.3(2) | | | | | TDPAD | NP A448 137 (86) |
| | | | | | -2.0(6) | | [213Fr 2538] | LEMS | PR C43 514 (91) |
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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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