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Correlation studies of excited states of the helium ion

Lookup NU author(s): Emeritus Professor Albert Crowe

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Abstract

The (e, 2e) and e, (3 - 1)e techniques have been used to study electron-impact single ionization of helium to the n = 1-4 ion states and double ionization, respectively. The measurements have been made at an incident electron energy of 200 eV under highly asymmetric kinematics. The n = 2 data show qualitatively similar features to previous higher energy asymmetric studies and can be explained qualitatively. The n = 3, 4 and double ionization data provide new theoretical challenges.

Publication metadata

Author(s): Dogan M, Crowe A

Publication type: Article

Publication status: Published

Journal: Journal of Physics B: Atomic, Molecular and Optical Physics

Year: 2000

Volume: 33

Issue: 12

Pages: L461-L465

ISSN (print): 0953-4075

ISSN (electronic): 1361-6455

Publisher: Institute of Physics Publishing Ltd.

URL: http://dx.doi.org/10.1088/0953-4075/33/12/107

DOI: 10.1088/0953-4075/33/12/107

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