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An Approximate Method of Determining the High-Velocity Limits of Continuous β-ray Spectra

Published online by Cambridge University Press:  24 October 2008

J. A. Chalmers
J. A. Chalmers
Affiliation:
Queen's College Lecturer in Physics in the University of Durham
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Extract

A method of obtaining approximately the high-velocity limits of continuous β-ray spectra by electroscope measurements is established and used for the β-ray bodies of thorium active deposit.

The absence of thorium C γ-rays is confirmed and leads to some interesting results.

The work was carried out in the Cavendish Laboratory, Cambridge. Thanks and gratitude are due to Professor Sir Ernest Rutherford, P.R.S., for his interest in the problem; to Dr C. D. Ellis, F.R.S., who suggested the problem, for continual help and advice; to Mr G. A. R. Crowe for help in preparation of the sources; and to the Department of Scientific and Industrial Research for a Grant during the time the work was being carried out.

Type
Articles
Information
Mathematical Proceedings of the Cambridge Philosophical Society , Volume 25 , Issue 3 , July 1929 , pp. 331 - 339
Copyright
Copyright © Cambridge Philosophical Society 1929

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References

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