Evidence that the fully energy-damped binary products observed in the
O-18+B-10, B-11 reactions originate from a fusion-fission process, rat
her than through a deep-inelastic orbiting mechanism, is presented. Th
e relative importance of the fusion-fission process in these very ligh
t systems is supported by experimental results that indicate a statist
ically equilibrated fission process and also by model calculations. Th
is conclusion is contrary to that reached in a recent publication disc
ussing the same data.