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Open AccessArticle

Capture Cross Sections and Radiative Emission-Line Strengths for Slow Ne8+ Collisions with He and H2

Department of Physics and Astronomy, York University, Toronto, ON M3J 1P3, Canada
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Atoms 2019, 7(1), 15; https://doi.org/10.3390/atoms7010015
Received: 20 December 2018 / Revised: 17 January 2019 / Accepted: 19 January 2019 / Published: 23 January 2019
The Ne8+–He and –H2 collision systems are examined at impact speeds ranging between 0.17 and 0.4 a.u. Transition probabilities for electron capture are obtained using the two-center basis generator method performed within the independent-electron model. The aim of calculating capture cross sections for these collision systems is to provide new theoretical verification of previously reported experimental data and to provide aid for astrophysical X-ray studies. This study also examines the applicability of the independent-electron model with effective potentials to describe two-electron capture for these two systems. Comparisons of capture cross sections and radiative-emission counts with the available experimental and theoretical data show an overall good agreement. View Full-Text
Keywords: ion–atom collisions; ion–molecule collisions; post-collisional de-excitation processes ion–atom collisions; ion–molecule collisions; post-collisional de-excitation processes
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Leung, A.C.K.; Kirchner, T. Capture Cross Sections and Radiative Emission-Line Strengths for Slow Ne8+ Collisions with He and H2. Atoms 2019, 7, 15.

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