86-Rn-207  basic  element

86-radon-207 Atomic Mass: 206.9907268 +- 0.0000705 amu Excess Mass: -8637.905 +- 65.709 keV Binding Energy: 1612119.333 +- 65.709 keV Beta Decay Energy: B- -5712.441 +- 122.285 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: 9.25 min Mode of decay: Electron capture to At-207 Branch ratio: 79.00 % Decay energy: 4.610 MeV Mode of decay: Alpha to Po-203 Branch ratio: 21.00 % Decay energy: 6.251 MeV Meta state at 0.899 Mev Spin: 13/2+) Half life: 181 us Mode of decay: IT Decay energy: 0.899 MeV Possible parent nuclides: Electron capture from Fr-207 Alpha from Ra-211 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 9.3 m 5/2- +0.816(9) [209Rn] CFBLS HFI 34 25 (87) +0.22(2) CFBLS CERN EP/87 51 (87) 899 180 ms 13/2+ -0.903(3) TDPAD HFI 9 87 (81) N. J. Stone, Table of Nuclear Magnetic Dipole and Electric Quadrupole Moments, to be published.  2000 Courtesy of T. Burrows at BNL/NNDC.