element
Information about Thallium-210:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:209.990066±0.000012amu
    Excess Mass (Δ):-9.253857±0.011465MeV
    Binding Energy:1640.861021±0.011469MeV
    β- Decay Energy:5.488776±0.011220MeV
"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: (5+)
  • Half life: 1.30 min ( 78 sec., λ = 0.0088865 s-1)
  • Mode of decay:
    β-
    to
    210
    82
    Pb
      (Q = 5.484 MeV)
  • Mode of decay: β- +
    1
    0
    n to
    209
    82
    Pb
      (Q = 0.299 MeV)   Branch ratio: 0.0070 %

  • Possible parent nuclides:
    α from
    214
    83
    Bi
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)