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A Fully Relativistic Approach to Photon Scattering and Photoionization of Alkali Atoms

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Date

2021

Authors

Singor, Adam
Fursa, Dmitry V.
Bray, Igor
McEachran, Robert

Journal Title

Journal ISSN

Volume Title

Publisher

MDPI

Abstract

A fully relativistic approach to calculating photoionization and photon-atom scattering cross sections for quasi one-electron atoms is presented. An extensive set of photoionization cross sections have been calculated for alkali atoms: Lithium, sodium, potassium, rubidium and cesium. The importance of relativistic effects and core polarization on the depth and position of the Cooper minimum in the photoionization cross section is investigated. Good agreement was found with previous Dirac-based B-spline R-matrix calculations of Zatsarinny and Tayal and recent experimental results.

Description

Keywords

rayleigh, raman, photon scattering, alkali, photoionization

Citation

URI

http://hdl.handle.net/1885/289420

Collections

ANU Research Publications

Source

Atoms

Type

Journal article

Book Title

Entity type

Access Statement

Open Access

License Rights

Creative Commons Attribution License

DOI

10.3390/atoms9030042

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atoms-09-00042-v2.pdf (1.18 MB)

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