Triad National Security, LLC

Metodi Iliev

Kiril Dimitrov Ianakiev

Martyn Thomas Swinhoe

Markus Peter Hehlen

Michael Browne

Adrienne LaFleur

Andrea Favalli

Improved, high count rate thermal neutron counters and electronics enabling new, higher measurement capabilities are disclosed. Next generationHe andB tubes may include an electronics package capable of operating at higher count rates and in higher gamma fields and providing more efficient use ofHe gas. Conventional detector systems may also be upgraded, providing a possible solution to measure spent nuclear fuel with high neutron efficiency previously not possible inU fission counter systems. Switching the number of tubes per amplifier allows use of the measured nuclear material for a calibration standard for dead time correction, increasing accuracy of neutron measurements systems. An optimized detector geometry and advanced electronics with double pulse filtering and a dual channel readout may be provided. A bipolar shaper may improve dead time, provide efficient detector use, reduce double pulsing, facilitate high count rate measurements, and allow remote threshold setting.

High count rate thermal neutron detectors and electronics

Devices/apparatuses are disclosed that include a photoemitting component, a photosensitive component deposited on the photoemitting component, a charge collection component, and a hollow enclosure for housing the photoemitting component, the photosensitive component, the charge collection component, or combinations thereof. Methods for making and using the apparatuses are also disclosed.

Scintillation detectors

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Los Alamos, NM, United States of America

Metodi Iliev