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Published November 1955 | Published
Journal Article Open

Operation of Proportional Counters at High Temperatures

Abstract

The operation of proportional counters at temperatures up to 900°C has been investigated and it is shown that the factors determining the maximum working temperature are thermal emission of electrons from the cathode, and the conductivity of heated insulating materials. Several types of proportional tubes are discussed and the advantages of counters with external cathodes are pointed out. Pulse spectra from quartz and glass counters containing K‐capture A^(37) sources indicate satisfactory operation at temperatures of 810°C in the case of quartz and 450°C in the case of glass.

Additional Information

© 1955 American Institute of Physics. Received August 1, 1955. One of us (R.W.P.D.) would like to thank the Department of Scientific and Industrial Research for a grant, during tenure of which the work was performed.

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August 19, 2023
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