Abstract
CALIBRATION of Kodak NT4 photographic emulsions for Î-particles has now been extended to an upper energy limit of 250 keV. The method used for calibration has been reported in an earlier letter in Nature1. New observations have been made at Î-ray energies of 40, 60, 100, 147, 200 and 250 keV. in emulsion coatings of 200 microns thickness.
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References
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ZAJAC, B., ROSS, M. Calibration of Electron-Sensitive Emulsions. Nature 164, 311–312 (1949). https://doi.org/10.1038/164311b0
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DOI: https://doi.org/10.1038/164311b0
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