Abstract
IN a recent communication1 we reported that ultra-violet and visible radiation is emitted from nickel by the impact of high-energy protons and positive ions, and that the visible part of the spectrum is continuous. With a resolved proton beam we observed a flat peak between 4600 and 4900 Å. in the distribution curve of spectral intensity.
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References
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CHAUDHRI, R., KHAN, M. Emission of Ultra-Violet and Visible Radiation from Metals by the Impact of High-Energy Hydrogen Ions. Nature 192, 646–647 (1961). https://doi.org/10.1038/192646a0
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DOI: https://doi.org/10.1038/192646a0
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