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Hyperfine Structure of the Resonance Lines of Potassium

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Abstract

THE hyperfine structure of the resonance lines (7699 and 7665 A.) of potassium has been investigated by means of absorption in a potassium atomic ray. The lines were obtained in emission from a discharge tube containing neon at a pressure of a few millimetres, and potassium vapour at a pressure of less than one two thousandth of a millimetre; the tube was excited by means of external electrodes, and was of the type used by Jackson in previous investigations on the structures of resonance lines.

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Authors and Affiliations

  1. Clarendon Laboratory, Oxford

    D. A. JACKSON & H. KUHN

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  1. D. A. JACKSON
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  2. H. KUHN
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JACKSON, D., KUHN, H. Hyperfine Structure of the Resonance Lines of Potassium. Nature 134, 25–26 (1934). https://doi.org/10.1038/134025b0

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