70-Yb-157  basic  element

70-ytterbium-157 Atomic Mass: 156.9426586 +- 0.0000550 amu Excess Mass: -53413.115 +- 51.237 keV Binding Energy: 1265846.058 +- 51.237 keV Beta Decay Energy: B- -6933.002 +- 53.463 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: 7/2- Half life: 38.6 s Mode of decay: Electron capture to Tm-157 Branch ratio: 99.50 % Decay energy: 5.500 MeV Mode of decay: Alpha to Er-153 Branch ratio: 0.50 % Decay energy: 4.620 MeV Possible parent nuclides: Electron capture from Lu-157 Alpha from Hf-161 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 0 38.6 s 7/2- -0.639(8) [171Yb] CFBLS HFI 74 171 (92) 494 + x 45 ns 13/2+ -0.75(8) TDPAD PR C30 169 (84) N. J. Stone, Table of Nuclear Magnetic Dipole and Electric Quadrupole Moments, to be published.  2000 Courtesy of T. Burrows at BNL/NNDC.