Corona Counter for Thermal Neutrons

Abstract
The characteristics of a double‐plate, corona counter with a boron‐coated cathode have been investigated with regard to variation of wire spacing, anode‐to‐cathode spacing, gas flow, and air pressure. A counter designed to detect a thin neutron beam of 0.0002 cm2 cross section is described. The sensitivity of each wire in this counter was investigated. This counter was life tested with a nitrogen filling for over 1500 hr or a total of 107 counts.

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