84-Po-207
 basic
 XS graphs

 element
84-polonium-207

  • Atomic Mass: 206.9815782 +- 0.0000075 amu
  • Excess Mass: -17159.768 +- 6.993 keV
  • Binding Energy: 1622205.903 +- 6.999 keV
  • Beta Decay Energy: B- -3910.070 +- 21.733 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: 5.80 h
  • Mode of decay: Electron capture to Bi-207
    • Branch ratio: 99.98 %
    • Decay energy: 2.909 MeV
  • Mode of decay: Alpha to Pb-203
    • Branch ratio: 0.02 %
    • Decay energy: 5.216 MeV

    Meta state at 1.383 Mev
  • Spin: 19/2-
  • Half life: 2.79 s
  • Mode of decay: IT
    • Decay energy: 1.383 MeV

  • Possible parent nuclides:
    Electron capture from At-207
    Alpha from Rn-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)T1/2Spin    m(nm)    Q(b)    Ref. Std.MethodReference
05.79 h5/2- +0.79(6) NMR/ONZP A311 351 (83)
111547 ms13/2+ -0.910(14) TDPADPL 44B 456 (73)
238043 ns25/2+ 5.41(4) TDPADPS 31 122 (85)
N. J. Stone, Table of Nuclear Magnetic Dipole and Electric Quadrupole Moments, to be published.  2000 Courtesy of T. Burrows at BNL/NNDC.