65-Tb-144
 basic

 element
65-terbium-144

  • Atomic Mass: 143.9325300 +- 0.0003200 amu #
  • Excess Mass: -62848.000 +- 298.000 keV #
  • Binding Energy: 1174265.000 +- 298.000 keV #
  • Beta Decay Energy: B- -6092.000 +- 499.000 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+)
  • Half life: ~1 s
  • Mode of decay: Electron capture to Gd-144
    • Decay energy: 8.900 MeV

    Meta state at 0.397 Mev
  • Spin: (6-)
  • Half life: 4.25 s
  • Mode of decay: IT
    • Branch ratio: 66.00 %
    • Decay energy: 0.397 MeV
  • Mode of decay: Electron capture to Gd-144
    • Branch ratio: 34.00 %
    • Decay energy: 9.297 MeV

  • Possible parent nuclides:
    Electron capture from Dy-144
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)