Abstract
DR. R. C. JOHNSON, in an article with the above title which has just appeared (Proc. Roy. Soc., A, 108, 343, June 1925) has given in his Table IV. a set of six new double-double headed bands, degraded to the violet, and associated with the comet-tail spectrum, which is also double-double headed, but degrades to the red. I find that these new bands have the same set of initial vibration states as the first negative group of carbon, and this, in connexion with the relation stated in my letter of June 8 to NATURE, published in the issue of August 1, that the set of final states of the first negative group and of the comettail bands is the same, leads to relations of considerable importance in the quantum theory of band spectra.
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BIRGE, R. Further Spectra associated with Carbon. Nature 116, 207 (1925). https://doi.org/10.1038/116207a0
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DOI: https://doi.org/10.1038/116207a0
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