NDLI: Double Photoionization of Atomic Carbon

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Double Photoionization of Atomic Carbon

Content Provider	MDPI
Author	Yip, Frank L.
Copyright Year	2022
Description	Double photoionization events provide a direct evaluation of electron correlation. The recent focus on few-electron targets continues to reveal the consequences of electron correlation for targets that possess several electrons. We consider the double photoionization of the $2p2$ valence electrons of atomic carbon and focus on the first energetically accessible final-state symmetries that originate from coupling the active electrons in $3P$ configurations, which are doubly ionized by a single photon. Comparison of this process in carbon with neon provides an analogous case for the resulting final-state symmetries within the framework where the ejected electrons are influenced by the remaining bound electrons in a frozen-core approximation. Choosing this symmetry allows for comparison with previous theoretical results for total and energy sharing cross-sections of carbon. Fully differential cross-sections for both carbon and neon are also compared.
Starting Page	23
e-ISSN	22182004
DOI	10.3390/atoms10010023
Journal	Atoms
Issue Number	1
Volume Number	10
Language	English
Publisher	MDPI
Publisher Date	2022-02-12
Access Restriction	Open
Subject Keyword	Atoms Double Photoionization Electron Correlation Photoabsorption Frozen-core Approximation Carbon
Content Type	Text
Resource Type	Article

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