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Properties of the single neutron pixel detector based on the Medipix-1 device
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SYSNO ASEP 0105605 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Ostatní články Title Properties of the single neutron pixel detector based on the Medipix-1 device Title Vlastnosti jednopixelového neutronového detektoru založeného na detektoru Medipix-1 Author(s) Jakubek, J. (CZ)
Pospíšil, S. (CZ)
Uher, J. (CZ)
Vacík, Jiří (UJF-V) RID, ORCID, SAI
Vavřík, D. (CZ)Source Title Nuclear Instruments & Methods in Physics Research Section A. - : Elsevier - ISSN 0168-9002
Roč. 531, 1/2 (2004), s. 276-284Number of pages 9 s. Language eng - English Country NL - Netherlands Keywords neutron detection ; pixel detectors ; slow neutron Subject RIV BM - Solid Matter Physics ; Magnetism R&D Projects GA202/03/0891 GA ČR - Czech Science Foundation (CSF) CEZ AV0Z1048901 - UJF-V Annotation Neutron transmission radiography (neutronography) is based on the attenuation of radiation passing through matter. Thanks to different values of neutron and X-ray attenuation coefficients in matter, neutronography can image material properties which cannot be obtained by roentgenography (e.g. materials containing light elements such as Hydrogen in plastic or biological samples). The reliable performance of the neutron detecting device is essential for the acquisition of high-quality neutronograms. A single neutron pixel detector based on a single X-ray photon pixel Medipix-1 detector device is presented. Slow neutrons are converted in a converter layer into heavy charged particles which are subsequently detected by the Medipix-1 device. Detection efficiency, spatial resolution and other detector properties are determined for different converter materials ((LiF)-Li-6, B-10) and compared with results of Monte-Carlo simulations. Several neutronograrns of real objects demonstrating the capabilities and possible applications of the technique are presented. Workplace Nuclear Physics Institute Contact Markéta Sommerová, sommerova@ujf.cas.cz, Tel.: 266 173 228 Year of Publishing 2005
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