86-Rn-205  basic  element

86-radon-205 Atomic Mass: 204.9916680 +- 0.0001220 amu # Excess Mass: -7761.000 +- 114.000 keV # Binding Energy: 1595100.000 +- 114.000 keV # Beta Decay Energy: B- -6517.000 +- 263.000 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: 5/2- Half life: 2.8 min Mode of decay: Electron capture to At-205 Branch ratio: 77.00 % Decay energy: 5.240 MeV Mode of decay: Alpha to Po-201 Branch ratio: 23.00 % Decay energy: 6.390 MeV Possible parent nuclides: Alpha from Ra-209 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 2.83 m 5/2- +0.802(9) [209Rn] CFBLS HFI 34 25 (87) +0.062(6) CFBLS CERN EP/87 51 (87) N. J. Stone, Table of Nuclear Magnetic Dipole and Electric Quadrupole Moments, to be published.  2000 Courtesy of T. Burrows at BNL/NNDC.