Nuclear Spin and Hyperfine Structure in Band Spectra

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RECENTLY, S. Mrozowski1 has found that the band lines in the spectrum of mercury hydride (HgH) are split into several narrow components of constant or nearly constant separation (˜0.02 A.). The bands investigated belong to a sequence ν′ = 0, ν″ = 0, 1, 2, 3 in the transition???Apparently the approximate formula for the isotope effect in band spectra, , fails completely to explain this case, and so Mrozowski concludes that the separation may be interpreted as a hyperfine structure in a more restricted sense, that is, it is caused by the magnetic or electric constitution of the atomic nuclei.

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  1. 1

    S. Mrozowski, Zeit. für Phys., 72, 776; 1931.

  2. 2

    B. A. Brice, Phys. Rev., 35, 966; 1930.

  3. 3

    R. Rydberg, Zeit. für Phys., 73, 74; 1931.

  4. 4

    A. Heimer and E. Hulthén, NATURE, 127, 557 ; 1931.

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HULTHÉN, E. Nuclear Spin and Hyperfine Structure in Band Spectra. Nature 129, 56–57 (1932) doi:10.1038/129056b0

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