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Spin-polarization parameters and cross sections for electron scattering from zinc and lead atoms.

A relativistic approach is employed to compute the differential and integrated cross sections, spin-polarization [ital P], and the spin-polarization parameters [ital T] and [ital U] for the scattering of electrons from zinc and lead atoms in the energy range 2.0--200 eV. The projectile-target interaction is represented both by real and complex optical potentials in the solution of the Dirac equation for scattered electrons. We compare our results for spin-polarization [ital P] with recent experiment and available theoretical calculations.