Abstract
F. M. WALTERS, Jr. (Journ. Wash. Acad. Sci. 13, 1923, p. 243) has found twenty “multiplets” in the iron arc spectrum of the kind which were first found by M. A. Catalán in the spectrum of manganese (Phil. Trans. A, 223, 1922, p. 127). He also gives the Zeeman patterns of some lines. The structure of such multiplets, which are combinations of multiple terms, is governed by the restriction rules for the “inner” quantum numbers J, given by Sommerfeld and Landé (Zeit. f. Phys. 15, p. 189). With the help of these rules it is not difficult to find the inner quantum numbers of the terms, unknown for the rest, of which the given multiplets are combinations.
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GOUDSMIT, S. The Spectrum of Iron. Nature 113, 604 (1924). https://doi.org/10.1038/113604a0
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DOI: https://doi.org/10.1038/113604a0
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