55-Cs-122  basic  element

55-cesium-122 Atomic Mass: 121.9161219 +- 0.0000175 amu Excess Mass: -78131.893 +- 16.329 keV Binding Energy: 1019803.838 +- 16.329 keV Beta Decay Energy: B- -3855.000 +- 299.000 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+ Half life: 21.0 s Mode of decay: Electron capture to Xe-122 Decay energy: 7.050 MeV Meta state at 0.076 Mev Spin: 8- Half life: 3.70 min Mode of decay: Electron capture to Xe-122 Decay energy: 7.126 MeV Meta state at 0.127 Mev Spin: (5)- Half life: 0.36 s Mode of decay: IT Decay energy: 0.127 MeV Possible parent nuclides: Electron capture from Ba-122 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) 21 s 1+ -0.1333(9) [133Cs] ABLS NP A468 1 (87) 0.133(2) [133Cs] AB NP A292 144 (77) -0.19(1) st ABLS NP A468 1 (87) (0) 4.2 m 8- +5.41(3) [133Cs] ABLS NP A468 1 (87) +3.29(8) 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.