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An attempt to detect a neutral particle of small mass

Published online by Cambridge University Press:  24 October 2008

J. Chadwick
Gonville and Caius College
D. E. Lea
Trinity College


It has long been realised that there are difficulties in understanding the continuous β-ray spectra emitted by certain radioactive bodies, if the conservation of energy, as applied to nuclear processes, is to be retained. In the case of radium E, for example, the energy of the disintegration β particles varies from quite low values to about a million volts, the mean being nearly 400,000 volts.

Research Article
Copyright © Cambridge Philosophical Society 1934

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