Abstract
THE spectrum of doubly ionised krypton has been under examination by me for some time past. It seems evident that the strong group of lines about the wave-length 3250 belong to Kr++. A preliminary attempt has revealed a number of regularities. I give below three sets of terms A, B, and C, which have so far been obtained. The strongest lines are obtained from the terms A→B, and probably represent the transition 3N201←3N202. The other transition, 3N202←3N203, etc., may appear as B←C.
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ACHARYA, D. Spectrum of Doubly Ionised Krypton. Nature 123, 244 (1929). https://doi.org/10.1038/123244c0
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DOI: https://doi.org/10.1038/123244c0
