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Published September 15, 1938 | Published
Journal Article Open

On the Hyperfine Structure Interval Rule in Indium

Abstract

Interferometric measurements on λ7182(5s6p^3P_1→5s6s^3S_1) and λ7276(5s6p^3P_0→5s6s^3S_1) of In II indicate that the separations of the state 5s6s^3S_1 follow the interval rule to within the experimental error (approximately 0.05 percent). Perturbations by neighboring states are negligible and there are no effects for this state due to the known electric quadrupole moment of the nucleus. The results indicate that the assumption of a nuclear magnetic moment is very successful in accounting for the observed relative separations.

Additional Information

© 1938 The American Physical Society. (Received June 24, 1938).

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August 19, 2023
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