Excitation of the 31,3Pstates of Mg by electron impact

Abstract
First-order many-body theory was modified to include correlation effects in the target description and used to calculate differential cross sections, coherence, and correlation parameters for the electron-impact excitation of the 31P and 33P states of magnesium at incident energies of 20, 30, 40, 50, and 100 eV. The results are analyzed and compared with available theoretical and experimental results.