62-Sm-138  basic  element

62-samarium-138 Atomic Mass: 137.9235400 +- 0.0003200 amu # Excess Mass: -71222.000 +- 298.000 keV # Binding Energy: 1136559.000 +- 298.000 keV # Beta Decay Energy: B- -9231.000 +- 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: 0+ Half life: 3.1 min Mode of decay: Electron capture to Pm-138 Decay energy: 3.900 MeV Possible parent nuclides: Electron capture from Eu-138 EC + P from Gd-139 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 2903 0.55 ns 10+ ~10 IPAD Gensh. Ken. 33 145 (89) N. J. Stone, Table of Nuclear Magnetic Dipole and Electric Quadrupole Moments, to be published.  2000 Courtesy of T. Burrows at BNL/NNDC.