element
Information about Radium-227:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:227.029171±0.000003amu
    Excess Mass (Δ):27.172306±0.002515MeV
    Binding Energy:1736.170872±0.002534MeV
    β- Decay Energy:1.326166±0.002423MeV
"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.
Radioactive Decay Data:

  • Spin: 3/2+
  • Half life: 42.2 min ( 2532 sec., λ = 0.000273755 s-1)
  • Mode of decay:
    β-
    to
    227
    89
    Ac
      (Q = 1.325 MeV)

  • Possible parent nuclides:
    β- from
    227
    87
    Fr
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
042.2 m3/2+ -0.404(2) "[213,225Ra]""CFBLS, R"NP A483 244 (88)/PRL 59 771 (87)
+1.58(11) st "[221,223Ra]"CFBLSZP D11 105 (89)
+1.50(15) 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.