86-Rn-210  basic  element

86-radon-210 Atomic Mass: 209.9896799 +- 0.0000109 amu Excess Mass: -9613.145 +- 10.172 keV Binding Energy: 1637308.542 +- 10.176 keV Beta Decay Energy: B- -6258.208 +- 23.723 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: 0+ Half life: 2.4 h Mode of decay: Alpha to Po-206 Branch ratio: 96.00 % Decay energy: 6.159 MeV Mode of decay: Electron capture to At-210 Branch ratio: 4.00 % Decay energy: 2.374 MeV Possible parent nuclides: Electron capture from Fr-210 Alpha from Ra-214 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 1665+x 644 ns (8+) 7.18(6) TDPAD NP A448 189 (86) 7.06(8) TDPAD HFI 9 87 (81) 0.31(4) [212Rn 1694] TDPAD PL 182B 11 (86) 2563+x 64 ns (11)- 12.16(11) TDPAD HFI 9 87 (81) 3248+x 72 ns (14)+ 14.92(10) TDPAD NP A448 189 (86) 14.6(3) TDPAD HFI 9 87 (81) 3812+x 1.05 ms (17)- 17.88(9) TDPAD NP A448 189 (86) +17.87(10) TDPAD Th Berger (87) 17.7(2) TDPAD HFI 9 87 (81) 0.86(10) [212Rn 1694] TDPAD PL 182B 11 (86) 4993 12.3 ns (20)+ 22.3(1) NP A448 189 (86) 6468 1.04 ms (22)+ 15.42(15) NP A448 189 (86) 7310 34 ns (25)- 18.3(2) NP A448 189 (86) N. J. Stone, Table of Nuclear Magnetic Dipole and Electric Quadrupole Moments, to be published.  2000 Courtesy of T. Burrows at BNL/NNDC.