Abstract
FOLLOWING upon an improvement in his apparatus, Dr. F. W. Aston finds higher values for the masses of hydrogen, deuterium, helium and carbon atoms; the new values are in better accord with those deduced from energy changes during the artificial disintegration of those elements. The new determinations were made by comparing with the mass-spectrograph, to which a new collimator with variable slits was added, the masses of doublets (that is, atoms and groups of atoms having nearly the same mass/ charge ratio).
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Points from Foregoing Letters. Nature 135, 549 (1935). https://doi.org/10.1038/135549b0
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DOI: https://doi.org/10.1038/135549b0