Multiple-electron ionization, capture, and loss by 19-MeVFq+(q=2–9) in collisions with Ne and Ar

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ID: 271945
1995
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Abstract
Charge-exchange processes in fast collisions of Fq+ (q=2–9) on Ne and Ar gas targets have been studied using the projectile–recoil-ion coincidence method. The target ionization without a projectile charge change increases with increasing projectile charge approximately as ∼q1.4. This dependence is weaker than the q2 dependence predicted by the first Born approximation because of the large ionization probabilities involved. The single-electron-capture cross sections follow the known q3 scaling law, while the double-electron-capture cross sections display a q6 dependence, as predicted by the independent-electron approximation for small capture probabilities. Single- and double-electron loss from the L shell decreases with increasing q mainly because of the decrease in the number of L-shell electrons, while binding-energy effects play only a minor role. In contrast, the large sudden decrease in electron-loss cross sections once K-shell electrons must be removed is due to the large increase in binding energy.
Reference Key
richard1995physicalmultiple-electron Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors O. Heber,G. Sampoll,B. B. Bandong,R. J. Maurer,R. L. Watson,I. Ben-Itzhak,J. M. Sanders,J. L. Shinpaugh,P. Richard;O. Heber;G. Sampoll;B. B. Bandong;R. J. Maurer;R. L. Watson;I. Ben-Itzhak;J. M. Sanders;J. L. Shinpaugh;P. Richard;
Journal physical review a
Year 1995
DOI 10.1103/physreva.52.4578
URL
https://sciprofiles.com/publication/view/9b5e929c3ae6dfc0465f611378d4af5d
Keywords
http www.w3.org/1998/math/mathml inline msup mrow mathvariant xmlns italic

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