Magnetic analysis of the Be9(p,α)Li6 reaction

The momentum spectrum of the alpha particles from the Be9(p,α)Li6 reaction has been measured in a magnetic spectrometer at 30° with 10-MeV incident proton energy. The discrete alpha-particle groups observed correspond to states in Li6 at 0-, 2.19-, 3.55-, 4.40-, and 5.32-MeV excitation energy. Higher excited states are obscured at all angles of observation by the continuous alpha spectrum from the breakup in flight of Be8, Li6*, Be9*, and B9.