55-Cs-120  basic  element

55-cesium-120 Atomic Mass: 119.9206782 +- 0.0000106 amu Excess Mass: -73887.752 +- 9.870 keV Binding Energy: 999417.052 +- 9.871 keV Beta Decay Energy: B- -5000.000 +- 300.000 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: high Half life: 57 s Mode of decay: Electron capture to Xe-120 Decay energy: 7.920 MeV Mode of decay: EC + Proton to I-119 Branch ratio: <=1.0E-5 % Decay energy: 5 2.470 MeV Meta state at 0.000 Mev Spin: 2 Half life: 64 s Mode of decay: Electron capture to Xe-120 Decay energy: 7.920 MeV Possible parent nuclides: Electron capture from Ba-120 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 64 s 2+ +3.87(2) [133Cs] ABLS NP A468 1 (87) +1.45(2) st ABLS NP A468 1 (87) +3.92(5) [133Cs] AB PL 76B 565 (78) N. J. Stone, Table of Nuclear Magnetic Dipole and Electric Quadrupole Moments, to be published.  2000 Courtesy of T. Burrows at BNL/NNDC.