Abstract
THE lines of the spectrum of krypton which appear under the influence of condensed discharge, were first carefully measured by Baly (Phil. Trans., vol. 202, p. 183; 1903). Messrs. L. and E. Bloch and Dejardin (Ann. dc Phys., vol. 2, 1924) have recently studied the spectra of krypton developed with electrodeless discharges, and re-arranged most of the lines given by Baly, and also many new lines measured by themselves, into groups of spectra appearing with varying excitations. Following the analogy with ionised neon, the spectrum of which was analysed by me some time ago, I have observed that the spark lines of krypton which appear at the lowest excitation show a considerable number of regularities. I give below three groups of terms, A, B, and C; such that A combine with B, and B with C, and account for a large percentage of lines. The values given are purely arbitrary, the deepest level sc far discovered corresponding to 0.
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KICHLU, P. Spectrum of Ionised Krypton. Nature 120, 549 (1927). https://doi.org/10.1038/120549b0
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DOI: https://doi.org/10.1038/120549b0
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