66-Dy-149  basic  element

66-dysprosium-149 Atomic Mass: 148.9273340 +- 0.0000119 amu Excess Mass: -67687.950 +- 11.088 keV Binding Energy: 1218679.724 +- 11.090 keV Beta Decay Energy: B- -6013.690 +- 18.570 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: 4.20 min Mode of decay: Electron capture to Tb-149 Decay energy: 3.812 MeV Meta state at 2.661 Mev Spin: 27/2-) Half life: 0.490 s Mode of decay: IT Branch ratio: 99.30 % Decay energy: 2.661 MeV Mode of decay: Electron capture to Tb-149 Branch ratio: 0.70 % Decay energy: 6.473 MeV Possible parent nuclides: Electron capture from Ho-149 Alpha from Er-153 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 4.23 m 7/2- -0.119(7) [163Dy] CFBLS PC Neugart (87) -0.62(5) [163Dy] CFBLS PC Neugart (87) N. J. Stone, Table of Nuclear Magnetic Dipole and Electric Quadrupole Moments, to be published.  2000 Courtesy of T. Burrows at BNL/NNDC.