86-Rn-211
 basic
 XS graphs

 element
86-radon-211

  • Atomic Mass: 210.9905854 +- 0.0000077 amu
  • Excess Mass: -8769.633 +- 7.140 keV
  • Binding Energy: 1644536.353 +- 7.146 keV
  • Beta Decay Energy: B- -4605.233 +- 21.419 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: 1/2-
  • Half life: 14.6 h
  • Mode of decay: Electron capture to At-211
    • Branch ratio: 72.60 %
    • Decay energy: 2.892 MeV
  • Mode of decay: Alpha to Po-207
    • Branch ratio: 27.40 %
    • Decay energy: 5.965 MeV

  • Possible parent nuclides:
    Electron capture from Fr-211
    Alpha from Ra-215
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)T1/2Spin    m(nm)    Q(b)    Ref. Std.MethodReference
014.6 h1/2- +0.601(7) [209Rn]CFBLSPRL 60 2133 (88)
1578+x596 ns17/2- +7.72(4) TDPADTh Berger (87)
+7.75(8) TDPADPL 154B 263 (85)
0.18(2) [212Rn 1694]TDPADPRL 55 1269 (85)
3926+x40 ns35/2+ +17.5(7) TDPADTh Berger (87)
+17.8(2) TDPADPL 154B 263 (85)
5246+y14 ns43/2- +15.9(4) TDPADPL 154B 263 (85)
6100+y29 ns49/2+ +18.8(2) TDPADPL 154B 263 (85)
8855+y201 ns63/2- +19.6(2) TDPADPL 154B 263 (85)
1.5(2) [212Rn 1694]TDPADPRL 55 1269 (85)
N. J. Stone, Table of Nuclear Magnetic Dipole and Electric Quadrupole Moments, to be published.  2000 Courtesy of T. Burrows at BNL/NNDC.