Precompound Monte-Carlo model for cluster induced reactions

We present an algorithm for Monte-Carlo selection of exciton energies for reactions induced by clusters. Reaction mechanisms are addressed that involve a dissolution of the cluster into its constituent nucleons Followed by the initiation of a preequilibrium cascade. Calculated single differential spectra and excitation functions for Nb-93(alpha,xn) reactions are compared with experimental results to illustrate use of this method. Some advantages of exclusive computational techniques over analytic inclusive methods are summarized.