2-He-8  basic  element

2-helium-8 Atomic Mass: 8.0339218 +- 0.0000076 amu Excess Mass: 31597.983 +- 7.077 keV Binding Energy: 31407.892 +- 7.077 keV Beta Decay Energy: B- 10651.789 +- 7.094 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: 0+ Half life: 119.0 ms Mode of decay: Beta to Li-8 Decay energy: 10.653 MeV Mode of decay: Beta + Neutron to Li-7 Branch ratio: 16.000 % Decay energy: 0 8.619 MeV Possible parent nuclides: Neutron emission from He-9 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)