element
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Information about Polonium-207:
| | | | Wikipedia | Neutron Cross Sections | X-Ray Transitions | X-Ray Attenuation |
Mass-Energy Data:
Atomic Mass: | 206.981578 | ± | 0.000008 | amu |
Excess Mass (Δ): | -17.159768 | ± | 0.006993 | MeV |
Binding Energy: | 1622.205903 | ± | 0.006999 | MeV |
β- Decay Energy: | -3.910070 | ± | 0.021733 | 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: 5/2-
- Half life: 5.80 h ( 20880 sec., λ = 3.31967×10-05 s-1)
- Mode of decay:
E.C. to
 (Q = 2.909 MeV)
Branch ratio: 99.98 %
- Mode of decay:
α to
 (Q = 5.216 MeV)
Branch ratio: 0.02 %
Meta state at 1.383 Mev
- Spin: 19/2-
5.80
- Half life: 2.79 s ( 2.79 sec., λ = 0.24844 s-1)
- Mode of decay: γ (IT)  (Q = 1.383 MeV)
- 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 |
0 | 5.79 h | 5/2- | | +0.79(6) | | | | | NMR/ON | ZP A311 351 (83) |
1115 | 47 ms | 13/2+ | | -0.910(14) | | | | | TDPAD | PL 44B 456 (73) |
2380 | 43 ns | 25/2+ | | 5.41(4) | | | | | TDPAD | PS 31 122 (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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