41-Nb-99  basic  fission yield  element

41-niobium-99 Atomic Mass: 98.9116179 +- 0.0000143 amu Excess Mass: -82327.417 +- 13.320 keV Binding Energy: 849311.886 +- 13.320 keV Beta Decay Energy: B- 3638.662 +- 13.290 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: 9/2+ Half life: 15.0 s Mode of decay: Beta to Mo-99 Decay energy: 3.639 MeV Meta state at 0.365 Mev Spin: 1/2- Half life: 2.6 min Mode of decay: Beta to Mo-99 Branch ratio: >96.20 % Decay energy: 4.004 MeV Mode of decay: IT Branch ratio: <3.80 % Decay energy: 0.365 MeV Possible parent nuclides: Beta from Zr-99 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)