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Calculated electron ionization cross sections of the alkali atoms and the hydrogen spin ionization asymmetry

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Abstract

This paper addresses two aspects of the electron-impact ionization of hydrogen and the alkali atoms Li, Na, K, and Cs. First, we show that the earlier observation that the detailed treatment of the 2 electrons in the final state of the hydrogen ionization process results in a cross section shape that is in excellent agreement with the cross section shape obtained from the semi-empirical Deutsch-Märk (DM) formalism can be extended to the “quasi one-electron” atoms Li, Na, K, and Cs. Second, we discuss specific aspects of the calculated hydrogen ionization spin asymmetry in light of some recent experimental observations.

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Authors and Affiliations

  1. Institut für Physik, Universität Greifswald, 17487, Greifswald, Germany

    Hans Deutsch

  2. Department of Applied Physics and Department of Mechanical and Aerospace Engineering, NYU Polytechnic School of Engineering, Brooklyn, 11201, New York, USA

    Kurt Becker

Authors
  1. Hans Deutsch
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  2. Kurt Becker
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Correspondence to Kurt Becker.

Additional information

Contribution to the Topical Issue “Elementary Processes with Atoms and Molecules in Isolated and Aggregated States”, edited by Friedrich Aumayr, Bratislav Marinkovic, Stefan Matejcik, John Tanis and Kurt H. Becker.

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Deutsch, H., Becker, K. Calculated electron ionization cross sections of the alkali atoms and the hydrogen spin ionization asymmetry. Eur. Phys. J. D 69, 9 (2015). https://doi.org/10.1140/epjd/e2014-50688-x

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  • DOI: https://doi.org/10.1140/epjd/e2014-50688-x

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