63-Eu-141  basic  element

63-europium-141 Atomic Mass: 140.9248859 +- 0.0000304 amu Excess Mass: -69968.353 +- 28.335 keV Binding Energy: 1158736.605 +- 28.335 keV Beta Decay Energy: B- -6822.000 +- 299.000 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: 5/2+ Half life: 40.7 s Mode of decay: Electron capture to Sm-141 Decay energy: 5.980 MeV Meta state at 0.096 Mev Spin: 11/2- Half life: 2.7 s Mode of decay: IT Branch ratio: 87.00 % Decay energy: 0.096 MeV Mode of decay: Electron capture to Sm-141 Branch ratio: 13.00 % Decay energy: 6.076 MeV Possible parent nuclides: Electron capture from Gd-141 EC + P from Tb-142 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 40 s 5/2+ +3.494(8) [151Eu] CFBLS ZP A321 35 (85) +0.85(4) [153Eu] CFBLS ZP A321 35 (85) N. J. Stone, Table of Nuclear Magnetic Dipole and Electric Quadrupole Moments, to be published.  2000 Courtesy of T. Burrows at BNL/NNDC.