Phys. Rev. A 67, 010702(R) (2003) [4 pages]

Measurements of the ionization of atomic hydrogen by 17.6-eV electrons

Abstract

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Jochen Röder^*
Infineon Technologies, Balanstrasse 73, 81541 Munich, Germany

Mark Baertschy^†
Physics Department, University of Colorado at Denver, Denver, Colorado 80217-3364

Igor Bray^‡
Centre for Atomic, Molecular, and Surface Physics, School of Mathematical and Physical Sciences, Murdoch University, Perth 6150, Australia

Received 28 March 2002; revised 25 July 2002; published 29 January 2003

We report triply differential measurements of atomic hydrogen ionization by 17.6-eV electrons, with the outgoing electrons both having 2 eV energy. These measurements supersede some of the existing data. The complete set is critically analyzed and is found to be much more internally consistent than before, thereby providing one of the most stringent tests for theory to date. Comparison with the calculations from the exterior complex scaling and convergent close-coupling theories shows excellent overall agreement in both shapes and magnitude.

URL:

http://link.aps.org/doi/10.1103/PhysRevA.67.010702

DOI:

10.1103/PhysRevA.67.010702

PACS:

34.50.Fa

^*Electronic address: jochen.roeder@infineon.com

^†Electronic address: mbaertsc@carbon.cudenver.edu

^‡Electronic address: I.Bray@murdoch.edu.au

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Phys. Rev. A 67, 010702(R) (2003) [4 pages]

Measurements of the ionization of atomic hydrogen by 17.6-eV electrons