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Author Pérez, M.; Blostein, J.J.; Bessia, F.A.; Tartaglione, A.; Sidelnik, I.; Haro, M.S.; Suárez, S.; Gimenez, M.L.; Berisso, M.G.; Lipovetzky, J.
Title Thermal neutron detector based on COTS CMOS imagers and a conversion layer containing Gadolinium Type Journal Article
Year 2018 Publication Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment Abbreviated Journal
Volume 893 Issue Pages (down) 157-163
Keywords CMOS sensors; Position sensitive neutron detectors; Gadolinium conversion layer; Neutron detection technique
Abstract In this work we will introduce a novel low cost position sensitive thermal neutron detection technique, based on a Commercial Off The Shelf CMOS image sensor covered with a Gadolinium containing conversion layer. The feasibility of the neutron detection technique implemented in this work has been experimentally demonstrated. A thermal neutron detection efficiency of 11.3% has been experimentally obtained with a conversion layer of 11.6 μm. It was experimentally verified that the thermal neutron detection efficiency of this technique is independent on the intensity of the incident thermal neutron flux, which was confirmed for conversion layers of different thicknesses. Based on the experimental results, a spatial resolution better than 25 μm is expected. This spatial resolution makes the proposed technique specially useful for neutron beam characterization, neutron beam dosimetry, high resolution neutron imaging, and several neutron scattering techniques.
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ISSN 0168-9002 ISBN Medium
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Call Number BT @ pedrazp @ Serial 834
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