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KL 2,3 ionization in neon by electron impact in the range 1.5–50 keV: cross sections and alignment

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Zeitschrift für Physik D Atoms, Molecules and Clusters

Abstract

We have measured the ratio of cross sections σ(KL 2,3)/σ(K) for neon for electron impact in the energy range ofE 0=1.5 ... 50 keV via the intensity ofKL 2,3−LLL 2,3 Auger satellite lines relative to the intensity ofKL 1 L 2,3 (3 P) diagram line. The experimental ratio decreases over the full range of energyE 0 which is contrary to an earlier result by Carlson et al. We have also measured the alignment ofKL 12,3 P and3 P states via the angular distribution of Auger satellite intensity for the energy rangeE 0=1.5 ... 4 keV, within experimental error we have found a zero alignment. The totalK Auger spectrum, measured forE 0=40 keV and at the magic angle of emission ϑ=54.7°, has been decomposed into its components by using appropriate line shapes distorted by postcollision interaction. Finally, we discussed whether the lines observed at the high-energy side ofKL 2,3−LLL 2,3 Auger satellite lines can be interpreted as structures caused by an angular momentum exchange in the postcollision interaction predicted by Niehaus and Zwakhals.

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  1. Fakultät für Physik, Universität Freiburg, Hermann-Herder-Strasse 3, D-7800, Freiburg, Federal Republic of Germany

    A. Albiez, M. Thoma, W. Weber & W. Mehlhorn

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  1. A. Albiez
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  2. M. Thoma
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  3. W. Weber
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  4. W. Mehlhorn
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Albiez, A., Thoma, M., Weber, W. et al. KL 2,3 ionization in neon by electron impact in the range 1.5–50 keV: cross sections and alignment. Z Phys D - Atoms, Molecules and Clusters 16, 97–106 (1990). https://doi.org/10.1007/BF01679570

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