88-Ra-229
 basic

 element
88-radium-229

  • Atomic Mass: 229.0348203 +- 0.0000667 amu
  • Excess Mass: 32434.904 +- 62.117 keV
  • Binding Energy: 1747050.920 +- 62.118 keV
  • Beta Decay Energy: B- 1760.000 +- 40.000 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: 4.0 min
  • Mode of decay: Beta to Ac-229
    • Decay energy: 1.760 MeV
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
04.0 m5/2(+) +0.503(3) "[213,225Ra]""CFBLS, R"NP A483 244 (88)/PRL 59 771 (87)
+3.1(2) st "[221,223Ra]"CFBLSZP D11 105 (89)
+3.0(3) st "CFBLS, R"NP A483 244 (88)/ZP D4 227 (87)
N. J. Stone, Table of Nuclear Magnetic Dipole and Electric Quadrupole Moments, to be published.  2000 Courtesy of T. Burrows at BNL/NNDC.