81-Tl-207
 basic

 element
81-thallium-207

  • Atomic Mass: 206.9774079 +- 0.0000063 amu
  • Excess Mass: -21044.395 +- 5.840 keV
  • Binding Energy: 1628437.590 +- 5.847 keV
  • Beta Decay Energy: B- 1422.674 +- 5.480 keV
"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.
  • Spin: 1/2+
  • Half life: 4.77 min
  • Mode of decay: Beta to Pb-207
    • Decay energy: 1.423 MeV

    Meta state at 1.348 Mev
  • Spin: 11/2-
  • Half life: 1.33 s
  • Mode of decay: IT
    • Decay energy: 1.348 MeV

  • Possible parent nuclides:
    Beta from Hg-207
    Alpha from Bi-211
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
04.77 m1/2+ +1.876(5) [205Tl]CFBLSPRL 55 1559 (85)
N. J. Stone, Table of Nuclear Magnetic Dipole and Electric Quadrupole Moments, to be published.  2000 Courtesy of T. Burrows at BNL/NNDC.