65-Tb-149  basic  element

65-terbium-149 Atomic Mass: 148.9232416 +- 0.0000051 amu Excess Mass: -71499.950 +- 4.791 keV Binding Energy: 1223274.077 +- 4.795 keV Beta Decay Energy: B- -3812.000 +- 10.000 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: 1/2+ Half life: 4.118 h Mode of decay: Electron capture to Gd-149 Branch ratio: 83.30 % Decay energy: 3.636 MeV Mode of decay: Alpha to Eu-145 Branch ratio: 16.70 % Decay energy: 4.077 MeV Meta state at 0.036 Mev Spin: 11/2- Half life: 4.16 min Mode of decay: Electron capture to Gd-149 Branch ratio: 99.98 % Decay energy: 3.672 MeV Mode of decay: Alpha to Eu-145 Branch ratio: 0.02 % Decay energy: 4.113 MeV Possible parent nuclides: Electron capture from Dy-149 Alpha from Ho-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 4.12 h 1/2+ +1.35(2) [159Tb] CFBLS ZP A337 367 (90) 2518 3.5 ns (27/2)+ 4.9(12) b IPAD JPJa 59 66 (90) +6(3) [159Tb] IPAD ARINST 26 (87) N. J. Stone, Table of Nuclear Magnetic Dipole and Electric Quadrupole Moments, to be published.  2000 Courtesy of T. Burrows at BNL/NNDC.