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Phys. Rev. A 55, 3250–3253 (1997)

Threshold law for the triplet state for electron-impact ionization in the Temkin-Poet model

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W. Ihra, F. Mota-Furtado, and P. F. O'Mahony
Department of Mathematics, Royal Holloway, University of London, Egham, Surrey TW20 0EX, United Kingdom

J. H. Macek
Department of Physics and Astronomy, University of Tennessee, Knoxville, Tennessee 37996-1501
and Oak Ridge National Laboratory, Post Office Box 2009 Oak Ridge, Tennessee 37831

Received 16 October 1996; published in the issue dated April 1997

We derive the analytical threshold behavior for the triplet cross section for electron-impact ionization in the Temkin-Poet model. The analytical results indicate that the most recent numerical calculations may fail to reproduce the correct threshold behavior in an energy regime below about E=0.1 a.u. We also present an analytical expression for the energy distribution of the two electrons near threshold.

© 1997 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevA.55.3250
DOI:
10.1103/PhysRevA.55.3250
PACS:
34.80.Dp
 
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