element
Information about Technetium-90:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:89.923556±0.000260amu
    Excess Mass (Δ):-71.207275±0.242185MeV
    Binding Energy:763.985131±0.242185MeV
    β- Decay Energy:-5.798000±0.468000MeV #
"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: 8.7 s ( 8.7 sec., λ = 0.0796721 s-1)
  • Mode of decay:
    E.C.
    to
    90
    42
    Mo
      (Q = 8.960 MeV)
    Meta state at 0.500 Mev
  • Spin: (6+) 8.7
  • Half life: 49.2 s ( 49.2 sec., λ = 0.0140884 s-1)
  • Mode of decay:
    E.C.
    to
    90
    42
    Mo
      (Q = 9.460 MeV)

  • Possible parent nuclides:
    E.C. from
    90
    44
    Ru
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)