element
Information about Thulium-153:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:152.942028±0.000023amu
    Excess Mass (Δ):-54.000905±0.021673MeV
    Binding Energy:1234.930910±0.021674MeV
    β- Decay Energy:-6.690000±0.299000MeV #
"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: 11/2-)
  • Half life: 1.48 s ( 1.48 sec., λ = 0.468343 s-1)
  • Mode of decay:
    α
    to
    149
    67
    Ho
      (Q = 5.248 MeV)   Branch ratio: 91.00 %
  • Mode of decay:
    E.C.
    to
    153
    68
    Er
      (Q = 6.459 MeV)   Branch ratio: 9.00 %
    Meta state at 0.043 Mev
  • Spin: (1/2+) 1.48
  • Half life: 2.5 s ( 2.5 sec., λ = 0.277259 s-1)
  • Mode of decay:
    α
    to
    149
    67
    Ho
      (Q = 5.291 MeV)   Branch ratio: 92.00 %
  • Mode of decay:
    E.C.
    to
    153
    68
    Er
      (Q = 6.502 MeV)   Branch ratio: 8.00 %

  • Possible parent nuclides:
    E.C. from
    153
    70
    Yb
    α from
    157
    71
    Lu
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)