54-Xe-123  basic  element

54-xenon-123 Atomic Mass: 122.9084707 +- 0.0000166 amu Excess Mass: -85258.936 +- 15.432 keV Binding Energy: 1035784.558 +- 15.433 keV Beta Decay Energy: B- -4209.812 +- 19.679 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: 2.08 h Mode of decay: Electron capture to I-123 Decay energy: 2.676 MeV Possible parent nuclides: Electron capture from Cs-123 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 2.00 h 1/2+ -0.150(3) d [129Xe] CFBLS PC Neugart (90) 180+x 5.2 ms 7/2(-) -0.902(7) TDPAD ZP A308 227 (82) 1.33(14) [125Xe 296] TDPAD ZP A308 227 (82) 201+x 17 ns 9/2- 1.1(5) [123Xe 180+x] TDPAD ZP A308 227 (82) N. J. Stone, Table of Nuclear Magnetic Dipole and Electric Quadrupole Moments, to be published.  2000 Courtesy of T. Burrows at BNL/NNDC.