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Characteristics of Self-Powered Neutron Detectors Used in Power Reactors

CHARACTERISTICS OF SELF-POWERED NEUTRON DETECTORS USED IN POWER REACTORS

Self-Powered Neutron Detectors have been used effectively as in-core flux monitors for over twenty-five years in nuclear power reactors worldwide. This paper describes the basic properties of these radiation sensors including their nuclear, electrical and mechanical characteristics. Recommendations are given for the proper choice of the self-powered detector emitter to provide the proper response time and radiation sensitivity desired for use in an effective in-core radiation monitoring system.


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