Positronium formation with ionic targets using a least-squares approach.
R.J.Whitehead*, C.J.Noble~ and B.H.Bransden*
*Department of Physics, University of Durham, Durham DH1 3LE, U.K.; ~CLRC
Daresbury Laboratory, Warrington WA4 4AD, U.K.
The least-squares method has been extended to treat the coupled 
integro-differential equations representing atomic rearrangement 
collisions in the close-coupling approximation. Work is currently in
progress to add pseudostates to the calculation in order to allow for
continuum processes.