Further Development Of Microwave Gamma-Ray Ion Chamber

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Report Number: ASD TR 61-32
Author(s): Aichroth, J. W., Sleven, R. L., Speh, K. C.
Corporate Author(s): Airborne Instruments Laboratory, Division of Cutler-Hammer, Inc.
Laboratory: Directorate of Materials and Processes
Date of Publication: 1961-08
Pages: 44
Contract: AF 33(616)-6971
DoD Project: 7360
DoD Task: 73607
Identifier: AD0268993

Abstract:
A microwave gamma-ray ion chamber has been developed that measures gamma radiation from 106 to 1010 ergs per gram-hour (carbon) in the presence of a neutron flux of 1010 neutrons per square cm per second. This report discusses the choice of materials, development of a unique vacuum system, and fabrication of chambers suitable for operation at temperatures to 500°C in a high neutron flux. Data are presented on the response of an ion chamber to various ratios of incident gamma, thermal neutron, and fast neutron fluxes.

Provenance: Lockheed Martin Missiles & Fire Control

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