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Characterization of some modern scintillators recommended for use on large fusion facilities in γ-ray spectroscopy and tomographic measurements of γ-emission profiles Cover

Characterization of some modern scintillators recommended for use on large fusion facilities in γ-ray spectroscopy and tomographic measurements of γ-emission profiles

Open Access
|Jul 2017

Abstract

LaBr3:Ce,CeBr3 and GAGG:Ce scintillators were investigated and the determined characteristics were compared with those obtained for the well-known and widely used CsI:Tl and NaI:Tl crystals. All the detectors were of the same size of 10 × 10 × 5 mm3. The aim of this test study was to single out scintillation detectors most suitable for γ-ray spectrometry and γ-ray emission radial profile measurements in high-temperature plasma experiments. Decay time, energy resolution, non-proportionality and full energy peak detection efficiency ere measured for γ-ray energies up to 1770 keV. Due to their good energy resolution, short decay time and high detection efficiency for MeV gamma rays, LaBr3:Ce and CeBr3 scintillators are proposed as the best candidates for use especially under conditions of high count rates, which are expected in the forthcoming DT experiments.

DOI: https://doi.org/10.1515/nuka-2017-0032 | Journal eISSN: 1508-5791 | Journal ISSN: 0029-5922
Language: English
Page range: 223 - 228
Submitted on: May 13, 2016
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Accepted on: Jan 25, 2017
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Published on: Jul 22, 2017
In partnership with: Paradigm Publishing Services
Publication frequency: 4 issues per year

© 2017 Pawel Sibczynski, Andrzej Broslawski, Aneta Gojska, Vasili Kiptily, Stefan Korolczuk, Roch Kwiatkowski, Slawomir Mianowski, Marek Moszyński, Jacek Rzadkiewicz, Lukasz Swiderski, Adam Szydlowski, Izabella Zychor, published by Institute of Nuclear Chemistry and Technology
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.