element
Information about Rubidium-78:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:77.928141±0.000008amu
    Excess Mass (Δ):-66.935766±0.007732MeV
    Binding Energy:667.551869±0.007732MeV
    β- Decay Energy:-3.761258±0.010524MeV
"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: 17.66 min ( 1059.6 sec., λ = 0.000654159 s-1)
  • Mode of decay:
    E.C.
    to
    78
    36
    Kr
      (Q = 7.224 MeV)
    Meta state at 0.103 Mev
  • Spin: 4(-) 17.66
  • Half life: 5.74 min ( 344.4 sec., λ = 0.00201262 s-1)
  • Mode of decay:
    E.C.
    to
    78
    36
    Kr
      (Q = 7.327 MeV)   Branch ratio: 90.00 %
  • Mode of decay: γ (IT)  (Q = 0.103 MeV)   Branch ratio: 10.00 %

  • Possible parent nuclides:
    E.C. +
    1
    1
    p+ from
    79
    39
    Y
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
1036.3 m4- +2.549(2) [87Rb]ABLSPR C23 2720 (81)
+2.56(3) [85Rb]ABNP A311 269 (78)
+0.81(4) st ABLSPR C23 2720 (81)
N. J. Stone, Table of Nuclear Magnetic Dipole and Electric Quadrupole Moments, to be published.  2000 Courtesy of T. Burrows at BNL/NNDC.