Equilibrium cluster emission fromAg3reactions

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Abstract
Cluster emission yields from He3 reactions on Ag targets are analyzed using Hauser-Feshbach theory with the hybrid preequilibrium decay model. The importance of multiple chance cluster emission is investigated, as well as sensitivity to assumptions of ground-state versus excited cluster emission. The importance of sequential decay is explored qualitatively. Calculations using an equal fragment/residue temperature limit plus preequilibrium decay, and those using a ground-state cluster emission/preequilibrium decay assumption bracket the experimental excitation functions, however, with up to several orders of magnitude difference between these upper and lower limit results.