element
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Information about Astatine-210:
 |  |  | | | Wikipedia | Neutron Cross Sections | X-Ray Transitions | X-Ray Attenuation |
Mass-Energy Data:
| Atomic Mass: | 209.987131 | ± | 0.000009 | amu |
| Excess Mass (Δ): | -11.987107 | ± | 0.008273 | MeV |
| Binding Energy: | 1640.464858 | ± | 0.008277 | MeV |
| β- Decay Energy: | -2.373963 | ± | 0.012453 | 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: (5)+
- Half life: 8.1 h ( 29160 sec., λ = 2.37705×10-05 s-1)
- Mode of decay:
E.C. to
(Q = 3.981 MeV)
Branch ratio: 99.82 %
- Mode of decay:
α to
(Q = 5.631 MeV)
Branch ratio: 0.18 %
- Possible parent nuclides:
- E.C. from
- 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 |
| 1363 | 28.4 ns | 11+ | | +9.8(3) | | | | | TDPAD | ARRIP 140 (74) |
| | | | | | 0.65(8) | | [211At 2641] | TDPAD | PL 122B 27 (83) |
| | | | +15.68(2) | | | | | TDPAD | Th Berger (87) |
| | | | 15.48(15) | | | | | TDPAD | HFI 34 47 (87) |
| | | | 15.57(15) | | | | | "TDPAD, R" | ZP A284 357 (78) |
| 2550 | 480 ns | 15- | | | | 1.22(12) | | [211At 2641] | LEMS | PR C43 2566 (91) |
| | | | | | 1.22(12) | | [211At 2641] | TDPAD | PL 122B 27 (83) |
| 4028 | 5.9 ms | 19+ | | 13.26(13) | | | | | TDPAD | HFI 34 47 (87) |
| | | | 14.0(5) | | | | [210At 2550] | | ZP A284 357 (78) |
| | | | | | 2.2(3) | | [211At 2641] | LEMS | PR C43 2566 (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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