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Spectroscopic Evidence of J-Transformation of X-rays

Abstract

IN a recent letter to NATURE (April 25) Messrs. Khastgir and Watson have given some graphical tables where the wave-lengths of the X-ray line K are plotted against the atomic number of the elements Nos. 48–60. In these curves there are two discontinuities at Z 52 and at Z 56, which the authors ascribe to the supposed J-transformation of Barkla. The authors state as follows (p. 605): “This seems to be the first spectroscopic evidence of the J-transformation”.

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SIEGBAHN, M. Spectroscopic Evidence of J-Transformation of X-rays. Nature 116, 11–12 (1925). https://doi.org/10.1038/116011b0

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