Three- and five-nucleon transfers in sup 9 Be( p ,. alpha. ) sup 6 Li reaction at 25 and 30 MeV

Angular distributions of the {sup 9}Be({ital p},{alpha}){sup 6}Li reaction leading to the ground and first two excited states of {sup 6}Li were measured at incident energies of 25.0 and 30.0 MeV. Both the one-step three- and five-nucleon transfers were considered in the theoretical analysis using current shell-model wave functions. We reproduce fairly well with distorted-wave Born approximation theory the experimental energy dependence of the integrated cross sections for the ground and first excited states of {sup 6}Li. A marked disagreement is observed for the second excited state, whose experimental integrated cross section shows a steeper energy dependence than the calculated one.