55-Cs-124  basic  element

55-cesium-124 Atomic Mass: 123.9122457 +- 0.0000128 amu Excess Mass: -81742.563 +- 11.890 keV Binding Energy: 1039557.154 +- 11.891 keV Beta Decay Energy: B- -2647.963 +- 18.143 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+ Half life: 30.8 s Mode of decay: Electron capture to Xe-124 Decay energy: 5.915 MeV Meta state at 0.462 Mev Spin: (7)+ Half life: 6.3 s Mode of decay: IT Decay energy: 0.463 MeV Possible parent nuclides: Electron capture from Ba-124 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 30.8 s 1+ +0.673(3) [133Cs] ABLS NP A468 1 (87) +0.674(7) [133Cs] AB NP A292 144 (77) -0.74(3) st ABLS NP A468 1 (87) N. J. Stone, Table of Nuclear Magnetic Dipole and Electric Quadrupole Moments, to be published.  2000 Courtesy of T. Burrows at BNL/NNDC.