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HK: Fachverband Physik der Hadronen und Kerne

HK 63: Instrumentation XV

HK 63.1: Talk

Thursday, March 14, 2024, 15:45–16:00, HBR 19: C 1

Properties of Fast-Lutetium-Gadolinium Oxyorthosilicate Scintillation Material — •Valerii Dormenev, Kai-Thomas Brinkmann, Dzmitry Kazlou, Rainer W. Novotny, and Hans-Georg Zaunick — 2nd Physics Institute Justus-Liebig-University Giessen, Germany

Many modern detector systems based on scintillation materials require high count rates. This involves the use of bright scintillators with fast rise and decay times in combination with modern ultra-fast photodetectors such as SiPMs. A possible solution for such kind of applications is a family of Lutetium-Gadolinium oxyorthosilicate (Lu_2(1−x)Gd_2xSiO₅, LGSO). Oxide Corporation (Japan) developed a version of fast-LGSO material with optimized timing characteristics. This work reports on the characterization of properties of fast-LGSO material doped by Ce and their comparison with standard Lutetium-Yttrium Oxyorthosilicates YSO/LYSO/LSO.

This work was carried out in the framework of BMBF Project 05K2019 * UFaCal, the High-D consortium and in line with the Crystal Clear Collaboration. EU regional funding via the EFRE scheme of the State of Hesse is gratefully acknowledged.

Keywords: Scintillators; radiation detectors; Lutetium-Gadolinium oxyorthosilicate; LGSO