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Note on the production of positron-electron pairs during the passage of β-particles through matter

Published online by Cambridge University Press:  24 October 2008

N. Feather  and
J. V. Dunworth
N. Feather
Affiliation:
Trinity College
J. V. Dunworth
Affiliation:
Denman Baynes Research Student, Clare College
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Extract

The method of coincidence counting has been applied to an investigation of the possible production of positron-electron pairs by the high energy β-particles from a source of uranium X in absorbers of aluminium, brass and lead. The results are not inconsistent with the high values recently reported for atomic cross-sections for the effect, nor with the suggestion that the atomic cross-section is proportional to the first power of the atomic number rather than the second. Suggestions are made for the use of the β-particles from artificially radioactive substances in an attempt to increase the sensitivity of the method.

Information

Type
Research Article
Information
Mathematical Proceedings of the Cambridge Philosophical Society , Volume 34 , Issue 3 , July 1938 , pp. 435 - 441
Copyright
Copyright © Cambridge Philosophical Society 1938

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References

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