Polarization and optical excitation function of resonance radiation of cadmium atoms excited by electron impact

First measurements of polarization of 228.8 nm radiation emitted by cadmium atoms excited to the first singlet state (5 P-1(1)) following impact of electrons were carried out for the electron energy range 20-500 eV. New data were also obtained on the relative optical excitation function up to electron energy of 500 eV, which extend lower energy results published previously by other researchers.