Electron-impact ionization of Al2+

Di Wu, S. D. Loch, M. S. Pindzola, C. P. Ballance

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

We report on a nonperturbative R-matrix with PseudoStates (RMPS) calculation for the electron-impact ionization cross section of the ground state of Al2+. We include both the direct ionization of the 3s and 2p subshells and the indirect ionization from the 2p subshell. This calculation, thus, includes extra decay channels for the indirect-ionization process not included in previous RMPS calculations. This lowers the total-ionization cross section, resulting in closer agreement with the most recent experimental measurements. This calculation also shows better agreement with the position and height of the resonant-excitation double autoionization features seen in the experiment.
Original languageEnglish
Article number012711
Number of pages5
JournalPhysical Review A (Atomic, Molecular, and Optical Physics)
Volume85
Issue number1
DOIs
Publication statusPublished - 25 Jan 2012

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