X-ray and extreme-ultraviolet spectra from collisions of Ar$$^{18+}$$ and O$$^{8+}$$ ions with neutrals

The European Physical Journal Special Topics 2026 Open access

Read full text
Authors: Stepan Dobrodey, Chintan Shah, S. Bernitt, Ming Feng Gu, Liyi Gu, Thomas Pfeifer, J. R. Crespo López-Urrutia
DOI: 10.1140/epjs/s11734-026-02492-8
Cited by: 1
References: 68

Abstract

Abstract We present measurements of K-shell X-ray emission following charge exchange of fully ionized argon with various neutral gaseous targets at small collision energies inside an electron beam ion trap. We also resolve the principal quantum number of electron capture in extreme-ultraviolet spectra from initially bare and hydrogen-like oxygen ions held in the same trap. We analyze discrepancies between these as well as previous measurements with theoretical models based on the multichannel Landau–Zener approach.

Fields of Study & Subjects

Atomic and Molecular Physics X-ray Spectroscopy and Fluorescence Analysis Laser-Matter Interactions and Applications

Publication details

Journal / source
The European Physical Journal Special Topics
Publisher
Springer Science and Business Media LLC
Volume
235
Issue
15
Pages
3475–3492
Publication date
18 July 2026
Language
EN