84-Po-211
 basic

 element
84-polonium-211

  • Atomic Mass: 210.9866369 +- 0.0000032 amu
  • Excess Mass: -12447.675 +- 2.953 keV
  • Binding Energy: 1649779.101 +- 2.966 keV
  • Beta Decay Energy: B- -786.122 +- 2.545 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: 9/2+
  • Half life: 0.516 s
  • Mode of decay: Alpha to Pb-207
    • Decay energy: 7.595 MeV

    Meta state at 1.462 Mev
  • Spin: 25/2+)
  • Half life: 25.2 s
  • Mode of decay: Alpha to Pb-207
    • Branch ratio: 99.98 %
    • Decay energy: 9.057 MeV
  • Mode of decay: IT to Po-211
    • Branch ratio: 0.02 %
    • Decay energy: 1.462 MeV

  • Possible parent nuclides:
    Beta from Bi-211
    Electron capture from At-211
    Alpha from Rn-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
106516 ns15/2- -0.38(15) IPADJPJS 34 287 (73)
N. J. Stone, Table of Nuclear Magnetic Dipole and Electric Quadrupole Moments, to be published.  2000 Courtesy of T. Burrows at BNL/NNDC.