84-Po-204
 basic

 element
84-polonium-204

  • Atomic Mass: 203.9803071 +- 0.0000144 amu
  • Excess Mass: -18343.803 +- 13.396 keV
  • Binding Energy: 1599175.970 +- 13.399 keV
  • Beta Decay Energy: B- -6478.024 +- 93.762 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: 3.53 h
  • Mode of decay: Electron capture to Bi-204
    • Branch ratio: 99.34 %
    • Decay energy: 2.340 MeV
  • Mode of decay: Alpha to Pb-200
    • Branch ratio: 0.66 %
    • Decay energy: 5.485 MeV

  • Possible parent nuclides:
    Electron capture from At-204
    Alpha from Rn-208
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
1639158 ns8+ +7.38(10) SOPADNP A206 452 (73)
1.14(5) [210Po 1557]TDPADHFI 34 47 (87)
356512 ns15- 5.6(6) [208Po 1524]TDPADZP A305 1 (82)/ZP A311 351 (83)
N. J. Stone, Table of Nuclear Magnetic Dipole and Electric Quadrupole Moments, to be published.  2000 Courtesy of T. Burrows at BNL/NNDC.