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Cosmic Ray Induced Photomultiplier Noise

Published online by Cambridge University Press:  25 April 2016

A. G. Gregory  and
R. W. Clay
A. G. Gregory
Affiliation:
Department of Physics, University of Adelaide
R. W. Clay
Affiliation:
Department of Physics, University of Adelaide
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Extract

Cosmic rays produce a component of photomultiplier noise which often dominates the high amplitude region of the noise pulse height spectrum and which is not reduced by cooling the tube. The source of the noise is Cerenkov radiation produced by individual high energy cosmic rays in their passage through the glass envelope of the tube, principally in the glass faceplate on which the photocathode is deposited.

Type
Contributions
Information
Publications of the Astronomical Society of Australia , Volume 3 , Issue 1 , September 1976 , pp. 38 - 39
Copyright
Copyright © Astronomical Society of Australia 1976

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References

Young, A. J., Rev. Sci. Inst., 37, 1472 (1966).CrossRefGoogle Scholar