81-Tl-195
 basic

 element
81-thallium-195

  • Atomic Mass: 194.9696500 +- 0.0001390 amu #
  • Excess Mass: -28271.000 +- 130.000 keV #
  • Binding Energy: 1538808.000 +- 130.000 keV #
  • Beta Decay Energy: B- -4490.000 +- 432.000 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: 1.16 h
  • Mode of decay: Electron capture to Hg-195
    • Decay energy: 2.810 MeV

    Meta state at 0.482 Mev
  • Spin: 9/2-
  • Half life: 3.6 s
  • Mode of decay: IT
    • Decay energy: 0.483 MeV

  • Possible parent nuclides:
    Electron capture from Pb-195
    Alpha from Bi-199
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
01.16 h1/2+ +1.58(4) [205Tl]OPR 188 1897 (69)
+1.59(9) "AB/D, R"PS 30 164 (84)
N. J. Stone, Table of Nuclear Magnetic Dipole and Electric Quadrupole Moments, to be published.  2000 Courtesy of T. Burrows at BNL/NNDC.