Overview

This book covers the most common neutron detectors used in neutron scattering facilities and all of those in use at Oak Ridge National Lab. It starts describing the facilities, instruments and the critical detector parameters needed by various instruments. Then the key components of the 3He-based linear position-sensitive detectors as well as on their electronics, which require particular attention to signal processing and noise reduction, are introduced. One chapter is dedicated to the 3He alternatives where scintillators play a critical role. It also covers emerging neutron detection technologies including semiconductors, vacuum-based devices and their associated readouts, which will be required in the future for high rate and high-resolution neutron detectors. The authors explain the logic behind the choice of materials as well as the various constraints that neutron detectors must respect to be useful. Some of these constraints, such as efficiency and gamma-ray sensitivity are common to all neutron counters while others, like timing resolution, dynamic range, and peak counting rate, depend on the applications. The book guides experts, the nuclear science community, and young scholars through the physical processes and the required electronics in a way that is accessible for those not professionally involved in designing detector’s components and electronic circuits.

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9783031365454

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Dr. Yacouba Diawara is currently the Detector Group leader at the Spallation Neutron Source. He received his Bachelor's in Electrical Engineering and a M.Sc in Physics, both from the University of Québec at Trois-Rivières (Canada). He completed his PhD in Engineering Physics from Montréal Ecole Polytechnique and held a postdoctoral fellowship at INRS-Energie (Canada). As a research scientist, he has led several R&D or Engineering Groups for different organizations such as the Montréal Ecole Polytechnique, Bruker AXS (Madison, WI), the Spallation Neutron Source (Oak Ridge, TN), IAEA Nuclear Science and Instrumentation laboratory Head (Vienna, Austria) and the DOE NBL Program office Director. These different Groups developed many commercial radiation (x-ray, gamma-ray, charged particle and neutron) detectors and processes which are currently used in scientific instruments, research reactors and accelerator-based beamlines.

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