Fully differential cross-section measurements for electron-impact ionization of argon over the complete in-plane angular range

M A Stevenson; Birgit Lohmann

doi:10.1103/PhysRevA.77.032708

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Fully differential cross-section measurements for electron-impact ionization of argon over the complete in-plane angular range

Journal article

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Fully differential cross-section measurements for electron-impact ionization of argon over the complete in-plane angular range

M A Stevenson and Birgit Lohmann

Physical Review A (Atomic, Molecular and Optical Physics), Vol.77(3), 032708

2008

DOI: https://doi.org/10.1103/PhysRevA.77.032708

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Abstract

The triple differential cross section for electron-impact ionization of the 3p orbital of argon by 113.5 eV incident electrons has been measured using a magnetic angle changer in a conventional (e,2e) spectrometer. Results are presented for 2 eV ejected electrons over an extended angular range, and over the complete coplanar scattering plane for 5 eV ejected electrons. The data reveal previously unobserved structures, and are compared with recent distorted-wave Born approximation (DWBA) and hybrid DWBA R-matrix calculations. Large discrepancies exist between experiment and both calculations in the accessed regions.

Details

Title: Fully differential cross-section measurements for electron-impact ionization of argon over the complete in-plane angular range
Authors: M A Stevenson (Author) - University of Adelaide
Birgit Lohmann (Author) - University of Adelaide
Publication details: Physical Review A (Atomic, Molecular and Optical Physics), Vol.77(3), 032708; 6
Publisher: American Physical Society
Date published: 2008
DOI: 10.1103/PhysRevA.77.032708
ISSN: 1050-2947
Organisation Unit: Office of the Deputy Vice-Chancellor (Academic); University of the Sunshine Coast, Queensland; Thompson Institute
Language: English
Record Identifier: 99449519902621
Output Type: Journal article

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