59-Pr-121  basic  element

59-praseodymium-121 Atomic Mass: 120.9553640 +- 0.0008620 amu # Excess Mass: -41579.000 +- 803.000 keV # Binding Energy: 972050.000 +- 803.000 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. Half life: 1.4 s Mode of decay: EC to Ce-121 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)