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A New Series of Spectrum Lines

Abstract

WITH a long hydrogen tube, viewed end on, as a source, lines have been observed at 4.05μ and 2.63μ, which, according to Bohr's theory, may be explained as due to an electron falling from the fifth to the fourth and from the sixth to the fourth rings respectively, forming the first two members of a new series.

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BRACKETT, F. A New Series of Spectrum Lines. Nature 109, 209 (1922). https://doi.org/10.1038/109209b0

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