93-Np-229  basic  element

93-neptunium-229 Atomic Mass: 229.0362469 +- 0.0000933 amu Excess Mass: 33763.734 +- 86.889 keV Binding Energy: 1741810.323 +- 86.890 keV Beta Decay Energy: B- -3625.437 +- 112.435 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: 4.0 min Mode of decay: Alpha to Pa-225 Branch ratio: >50.00 % Decay energy: 7.010 MeV Mode of decay: EC to U-229 Branch ratio: <50.00 % Decay energy: 2.560 MeV 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)