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Energy loss spectra of xenon and krypton and their analysis by energy-dependent multichannel quantum defect theory

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Zeitschrift für Physik A Atoms and Nuclei

Abstract

Oscillator strengths of xenon and krypton for transitions from the ground state to the optically allowed states forming the five resonance series were measured by means of high energy electron spectroscopy (HEEIS). The rather irregular behaviour of these oscillator strengths is analyzed with the aid of the known atomic level energies by means of the energy-dependent quantum defect theory. With the parameters obtained by the analysis of the energy loss measurement autoionized lines shapes and the asymmetry parameter for the photoionizationβ of Kr and Xe were calculated in excellent agreement with experimental data from the literature. The comparison of the parameters and their energy dependence for Kr and Xe gives indication that some properties change rather rapidly from Kr to Xe. The theory enables also to predict missing term levels of Kr.

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Authors and Affiliations

  1. Fachbereich Physik, Universität Kaiserslautern, Kaiserslautern, West Germany

    J. Geiger

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  1. J. Geiger
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Additional information

Thanks are due to Prof. H. Ehrhardt and his group for an extended use of their computer. Several discussions with Prof. H. Krüger concerning the theoretical background of this paper are also greatfully acknowledged.

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Geiger, J. Energy loss spectra of xenon and krypton and their analysis by energy-dependent multichannel quantum defect theory. Z Physik A 282, 129–141 (1977). https://doi.org/10.1007/BF01408155

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  • DOI: https://doi.org/10.1007/BF01408155

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