ENERGIES AND JPI VALUES OF RESONANCES IN C-12(O-16,BE-8)NE-20 REACTIONS

The C12(O16,Be8)Ne20* reactions to the low lying 0+, 2+, 4+ and 3-, 1- states have been studied for Ec.m.=18.5 to 22.7 MeV at intervals of 86 keV. Excitation functions indicate the presence of twelve resonances in this energy region, eight of which are given J assignments based on angular distributions of the Be8 + Ne20(0+) channel measured at each energy interval. A high degree of resonance energy correspondence between these and other reaction cross section anomalies is noted. It is apparent that the density of resonant states for the Be8 + Ne20 exit channel is much higher than reported in other channels. NUCLEAR REACTIONS C12(O16, Be8)Ne20*; Ec.m.18.5 to 22.7 MeV, c.m. 13° to 73°; measured (,E) to low lying states, deduced resonance energies and J values. © 1979 The American Physical Society.