Abstract
IN an investigation of the capture y-radiation produced by protons in carbon, P. I. Dee, S. C. Curran and V. Petrzilka find that there are two resonances. One of these, at 400 kv., is due to 12C, the other, at 500 kv., is due to 13C. The energies of the capture y-radiations have been measured, giving for 12C the value 2-6 Mv. and for 13C the value 7-4 Mv. These values agree with those to be expected frorn the known mass values.
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Points from Foregoing Letters. Nature 141, 650 (1938). https://doi.org/10.1038/141650b0
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DOI: https://doi.org/10.1038/141650b0