Benchmark calculations for electron collisions with complex atoms

We report on a further extension of the B-spline R-matrix (BSR) method based on the continuum pseudostate approach. A new parallelelized version of the BSR code is intended to carry out large-scale R-matrix with pseudostates calculations and to provide converged (with respect to the number of coupled states) results for electron impact excitation of individual target states. The pseudostate approach also provides a fully nonperturbative scheme for electron-impact ionization, including simultaneous ionization plus excitation processes. Illustrative examples are given for He, Ne, and Ar excitation and ionization, including fully-differential (energy and angles) cross sections. The BSR code is also being used to generate extensive datasets for plasma and astrophysical applications.