44-Ru-91  basic  element

44-ruthenium-91 Atomic Mass: 90.9263774 +- 0.0005368 amu Excess Mass: -68578.969 +- 500.037 keV Binding Energy: 768645.794 +- 500.037 keV Beta Decay Energy: B- -9476.000 +- 641.000 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: (9/2+) Half life: 9 s Mode of decay: Electron capture to Tc-91 Decay energy: 7.400 MeV Meta state at 0.000 Mev Spin: (1/2-) Half life: 7.6 s Mode of decay: Electron capture to Tc-91 Branch ratio: >0.00 % Decay energy: 7.400 MeV Mode of decay: EC + Proton to Mo-90 Branch ratio: >0.00 % Decay energy: 4.300 MeV Mode of decay: IT to Ru-91 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)