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Hyperfine structures and level isotope shifts of then 2 S 1/2 (n=7 – 12)- andn 2 D 3/2,5/2 (n=6 – 10)-levels of203,205Tl measured by atomic beam spectroscopy

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Zeitschrift für Physik D Atoms, Molecules and Clusters

Abstract

Applying atomic beam laser spectroscopy, hyperfine constants as well as level isotope shifts of the (6s 2 ns)2 S 1/2 levels (n = 7 – 12) and (6s 2 nd)2 D 3/2,5/2 levels (n = 6 – 10) have been measured in203Tl and205Tl. Furthermore, some new hyperfine constants and level isotope shifts of the Tl2 P 1/2,3/2-states are presented together with corrected results of earlier experiments. The hyperfine splittings have been compared with the predictions of the semiempirical theory. For theD-states a relatively poor agreement between these theoretical predictions and experimental results has been found. Using the experimental level isotope shifts and the δ〈r 2〉 value from muonic X-ray data, results of single-configuration Dirac-Fock calculations have been tested.

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Authors and Affiliations

  1. I. Physikalisches Institut der Justus-Liebig Universität Giessen, Heinrich-Buff-Ring 16, D-35392, Giessen, Germany

    G. Hermann, G. Lasnitschka & D. Spengler

Authors
  1. G. Hermann
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  2. G. Lasnitschka
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  3. D. Spengler
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Additional information

This article is dedicated to Prof. Dr. D. Sc. hc. mult. A. Scharmann on the occasion of his 65th birthday

Part of thesis 1992 (D26)

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Hermann, G., Lasnitschka, G. & Spengler, D. Hyperfine structures and level isotope shifts of then 2 S 1/2 (n=7 – 12)- andn 2 D 3/2,5/2 (n=6 – 10)-levels of203,205Tl measured by atomic beam spectroscopy. Z Phys D - Atoms, Molecules and Clusters 28, 127–134 (1993). https://doi.org/10.1007/BF01436979

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