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Timing capabilities of garnet crystals for detection of high energy charged particles
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SYSNO ASEP 0482741 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Timing capabilities of garnet crystals for detection of high energy charged particles Author(s) Lucchini, M.T. (CH)
Gundacker, S. (CH)
Lecoq, P. (CH)
Benaglia, A. (US)
Nikl, Martin (FZU-D) RID, ORCID, SAI
Kamada, K. (JP)
Yoshikawa, A. (JP)
Auffray, E. (CH)Number of authors 8 Source Title Nuclear Instruments & Methods in Physics Research Section A. - : Elsevier - ISSN 0168-9002
Roč. 852, Apr (2017), s. 1-9Number of pages 9 s. Language eng - English Country NL - Netherlands Keywords precision timing ; calorimeters ; time-of-flight ; YAG:Ce ; LuAG:Ce ; GAGG:Ce ; LSO:Ce ; crystals ; SiPM Subject RIV BM - Solid Matter Physics ; Magnetism OECD category Condensed matter physics (including formerly solid state physics, supercond.) R&D Projects GA16-15569S GA ČR - Czech Science Foundation (CSF) Institutional support FZU-D - RVO:68378271 UT WOS 000396951600001 EID SCOPUS 85011875972 DOI https://doi.org/10.1016/j.nima.2017.02.008 Annotation Radiation tolerant, scintillating crystals coupled to silicon photomultipliers (SiPMs) can provide a flexible and compact option for the implementation of a precision timing layer inside large particle detectors. In this paper, we compare the timing performance of aluminum garnet crystals (YAG: Ce, LuAG: Ce, GAGG: Ce) and the improvements of their time resolution by means of codoping with Mg2+ ions. The crystals were read out using SiPMs from Hamamatsu glued to the rear end of the scintillator and their timing performance was evaluated by measuring the coincidence time resolution
(CTR) of 150 GeV charged pions traversing a pair of crystals. The influence of crystal properties, such as density, light yield and decay kinetics on the timing performance is discussed.Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2018
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