Ion charge-state production and photoionization near the K-edge in argon and potassium

We have measured, by time-of-flight techniques, the charge-state distributions of ions of argon and potassium following X-ray absorption at energies near their respective K-edges. We confirm previously observed enhancements of the higher charge states at energies up to 100 eV below the K-edge in arg...

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Published inNuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms Vol. 98; no. 1; pp. 25 - 27
Main Authors Berry, H.G., Azuma, Y., Cowan, P.L., Gemmell, D.S., LeBrun, T., Amusia, M.Ya
Format Journal Article
LanguageEnglish
Published Elsevier B.V 01.05.1995
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Summary:We have measured, by time-of-flight techniques, the charge-state distributions of ions of argon and potassium following X-ray absorption at energies near their respective K-edges. We confirm previously observed enhancements of the higher charge states at energies up to 100 eV below the K-edge in argon. The measurements confirm recent calculations suggesting excitation of a virtual 1s state in this energy range.
ISSN:0168-583X
1872-9584
DOI:10.1016/0168-583X(95)00024-0