68-Er-154  basic  element

68-erbium-154 Atomic Mass: 153.9327773 +- 0.0000065 amu Excess Mass: -62617.538 +- 6.010 keV Binding Energy: 1252401.219 +- 6.013 keV Beta Decay Energy: B- -8054.000 +- 112.000 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: 0+ Half life: 3.73 min Mode of decay: Electron capture to Ho-154 Branch ratio: 99.53 % Decay energy: 2.032 MeV Mode of decay: Alpha to Dy-150 Branch ratio: 0.47 % Decay energy: 4.280 MeV Meta state at 3.025 Mev Spin: 11- Half life: 39 ns Mode of decay: IT to Er-154 Branch ratio: ~100.00 % Decay energy: 3.025 MeV Mode of decay: Alpha to Dy-150 Branch ratio: ~0.00 % Decay energy: 7.305 MeV Possible parent nuclides: Electron capture from Tm-154 Alpha from Yb-158 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) T1/2 Spin      m(nm)      Q(b)      Ref. Std. Method Reference 3016 + x 39 ns 11- +0.169(13) TDPAD PR C30 169 (84) +0.19(3) TDPAD ZP A309 207 (83) N. J. Stone, Table of Nuclear Magnetic Dipole and Electric Quadrupole Moments, to be published.  2000 Courtesy of T. Burrows at BNL/NNDC.