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Excitation of Fine-Structure States of Krypton and Xenon by Positron Impact

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Date

2004

Authors

Stauffer, A D
Parcell, L A
McEachran, Robert

Journal Title

Journal ISSN

Volume Title

Publisher

Elsevier

Abstract

Experimental measurements of the excitation of ns J=1 fine-structure levels for some noble gases by positron impact have recently been performed. We present here calculations of the cross-sections for excitation of such levels in krypton and xenon. We used a relativistic distorted wave method with multi-configuration Dirac-Fock wave functions for atomic states. The results obtained showed good agreement with the experimental results for excitation to the [3/2] level in xenon near threshold.

Description

Keywords

Keywords: Approximation theory; Electron energy levels; Molecular structure; Numerical analysis; Positrons; Xenon; Dirac-Fock wave functions; Electron orbitals; Excitation states; Spin-orbit coupling; Krypton

Citation

URI

http://hdl.handle.net/1885/77542

Collections

ANU Research Publications

Source

Nuclear Instruments and Methods in Physics Research: Section B

Type

Journal article

Book Title

Entity type

Access Statement

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DOI

10.1016/j.nimb.2004.03.036

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