Abstract
We apply a new implementation of the convergent close-coupling (CCC) method toelectron–helium scattering. The target states are obtained from one-electron He+box-based eigenstates rather than the usual Laguerre-based orbitals. The utility ofthe new method is demonstrated for 50 eV electron-impact ionization of heliumwith three different energy sharings between the two outgoing electrons. Excellentagreement is found between previous and new CCC predictions, and also withexperimental data.
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