Measurements of electron impact K-shell ionization cross sections of Cr21+ ions-Reference-Cited by-同舟云学术

Measurements of electron impact K-shell ionization cross sections of Cr21+ ions

Published:2021-09 Issue:9 Volume:99 Page:806-813
ISSN:0008-4204
Container-title:Canadian Journal of Physics
language:en
Short-container-title:Can. J. Phys.

Author:

Vogel David¹,Beiersdorfer Peter²,Wong Keith²,Zasadzinski Ron²,Gu Ming Feng³

Affiliation:

1. Middle Georgia State University, Macon, GA 31206, USA.

2. Physics Division, Lawrence Livermore National Laboratory, Livermore, CA 94550, USA.

3. University of California, Berkeley, Space Sciences Laboratory, Berkeley, CA 94720, USA.

Abstract

We present relative cross section measurements of the inner-shell ionization of highly charged chromium ions by high-energy (7–30 keV) electrons. The measurements use a technique based on high-resolution X-ray spectroscopy, which correlates ionization events with Kα decay X-rays. Moreover, the measurements show that inner-shell ionization only affects the strength of the heliumlike 1s2s 3S1 → 1s2 1S0 forbidden line. The cross sections inferred for Li-like Cr21+ agree well with distorted wave calculations.

Publisher

Canadian Science Publishing

Subject

General Physics and Astronomy

Link

https://cdnsciencepub.com/doi/pdf/10.1139/cjp-2020-0598

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