element
Information about Radium-214:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:214.000091±0.000012amu
    Excess Mass (Δ):0.084898±0.010792MeV
    Binding Energy:1658.331084±0.010795MeV
    β- Decay Energy:-6.335957±0.055460MeV
"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: 0+
  • Half life: 2.46 s ( 2.46 sec., λ = 0.281767 s-1)
  • Mode of decay:
    α
    to
    210
    86
    Rn
      (Q = 7.273 MeV)   Branch ratio: 99.94 %
  • Mode of decay:
    E.C.
    to
    214
    87
    Fr
      (Q = 1.059 MeV)   Branch ratio: 0.06 %

  • Possible parent nuclides:
    E.C. from
    214
    89
    Ac
    α from
    218
    90
    Th
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
186567ms8+ 7.08(3) SOPADHFI 3 397 (77)/HFI 4 219 (78)
2683295 ns11- 11.98(8) TDPADNP A548 159 (92)
11.94(11) TDPADNP A317 520 (79)
3478279 ns14+ 14.29(6) TDPADNP A548 159 (92)
14.31(13) TDPADNP A317 520 (79)
4147225 ns17- 17.36(5) TDPADNP A548 159 (92)
17.48(12) TDPADNP A317 520 (79)
6577128 ns(25-) 16.5(3) TDPADNP A548 159 (92)
N. J. Stone, Table of Nuclear Magnetic Dipole and Electric Quadrupole Moments, to be published.  2000 Courtesy of T. Burrows at BNL/NNDC.