Abstract
ON general grounds, one might anticipate an emission spectrum from a crystal bombarded by X-rays, as the result of the return of electrons to vacant levels. The present note shows the results obtained from work commenced originally in 1933 and later continued in 1934 ; the experiment was carried out with a small-aperture low-dispersion spectrograph necessitating 24 hours of exposure. The accompanying spectrum (Fig. 1) shows the light emitted by an artificial KBr crystal under bombardment by molybdenum X-rays from a Mueller-Shearer X-ray tube. The comparison lines are the Hg lines, 5791, 5461, 4353, 4047, 3657.
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Ann. Physik, 20, 783 (1934).
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BURBIDGE, P., MOORCRAFT, T. Spectrum Emitted by Potassium Bromide Crystal under X-Rays. Nature 137, 278 (1936). https://doi.org/10.1038/137278b0
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DOI: https://doi.org/10.1038/137278b0
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