element
Information about Francium-224:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:224.023236±0.000053amu
    Excess Mass (Δ):21.643737±0.048969MeV
    Binding Energy:1718.267826±0.048970MeV
    β- Decay Energy:2.825694±0.048899MeV
"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: 1-
  • Half life: 3.33 min ( 199.8 sec., λ = 0.00346921 s-1)
  • Mode of decay:
    β-
    to
    224
    88
    Ra
      (Q = 2.830 MeV)

  • Possible parent nuclides:
    β- from
    224
    86
    Rn
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
03.3 m1(-) +0.40(1) [211Fr]ABLSPL 163B 66 (85)
+0.517(4) st [211Fr]ABLSPL 163B 66 (85)
N. J. Stone, Table of Nuclear Magnetic Dipole and Electric Quadrupole Moments, to be published.  2000 Courtesy of T. Burrows at BNL/NNDC.