12-Mg-37  basic  element

12-magnesium-37 Atomic Mass: 37.0312400 +- 0.0009700 amu # Excess Mass: 29100.000 +- 904.000 keV # Binding Energy: 260151.000 +- 904.000 keV # Beta Decay Energy: B- 19496.000 +- 1052.000 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: (7/2-) Half life: >260 ns Mode of decay: Beta to Al-37 Decay energy: 19.500 MeV Mode of decay: Beta + Neutron to Al-36 Decay energy: 15.100 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)