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Electron-impact ionization of helium with large energy transfer

Bray, I., Fursa, D. and Stelbovics, A. (2006) Electron-impact ionization of helium with large energy transfer. Physical Review A - Atomic, Molecular, and Optical Physics, 74 (3).

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We consider the recently measured case of 730 eV electron-impact ionization of the ground state of helium with 205 and 500 eV coplanar outgoing electrons by Catoire et al. J. Phys. B 39 2827 (2006)]. These measurements, which are on a relative scale, show some unexpected structure and variation from the second-order distorted-wave Born approximation R-matrix and Brauner-Briggs-Klar theories. Using the convergent close-coupling method we provide an improved agreement with experiment, but some discrepancies still remain.

Publication Type: Journal Article
Publisher: The American Physical Society
Copyright: © 2006 The American Physical Society
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