A computer model for systems analysis of heavy ion drivers has been develop
ed and used to evaluate driver designs for inertial fusion energy. The pres
ent work examines a driver for a close-coupled target design that requires
less total beam energy but also smaller beam spots sizes than previous targ
et designs. Design parameters and a cost estimate for a 160 beam, 3.3 MJ dr
iver using rubidium ions (A = 85) are reported, and the sensitivity of the
results to variations in selected design parameters is given (C) 2001 Elsev
ier Science B.V. All rights reserved.