neutron or photon detector that produces an electrical signal through neutron and photon activation
Note 1 to entry: The signal results from the emission of electrons from neutron capture and absorption of gamma rays. Note 2 to entry: In a nuclear reactor, a set of collectrons which are carefully arranged in the reactor core to measure the neutron flux and thus determine the (axial and radial) power distribution and monitor changes over time. Note 3 to entry: This entry was numbered 394-24-04 in IEC 60050-394:2007.
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