Bonn 2020 – wissenschaftliches Programm
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HK 38.5: Vortrag
Mittwoch, 1. April 2020, 17:45–18:00, J-HS C
DSB Glass and Glass Ceramic Scintillation Material for High Energy Physics Applications — •Valerii Dormenev1, Andrey Borisevich2, Kai-Thomas Brinkmann1, Mikhail Korzhik2,3, Dmitry Kozlov2, Markus Moritz1, Rainer Willi Novotny1, Pavel Orsich1, and Hans-Georg Zaunick1 — 12nd Physics Institute, JLU, Giessen, Germany — 2Institute for Nuclear Problems BSU, Minsk, Belarus — 3NRC "Kurchatov Institute", Moscow, Russia
Glass and glass ceramics can be considered as alternatives to the crystal-based scintillators widely used in radiation detectors for the high-energy physics experiments as well as for applications in medical diagnostics. They can be prepared in a variety of geometrical shapes such as blocks, plates and fibers. Large quantities can be fabricated in a relatively short period of time. However, most of the glasses do not feature scintillation properties. Recently, it has been shown that novel glasses of binary composition enable fabrication of scintillating glasses heavily doped with Ce. Lead-free glasses with the composition BaO*2SiO2:Ce (DSB:Ce) have a density of 3.7 g/cm3 and were found to be radiation hard under irradiation with photons and high energy protons. Here we report the present status of the overall performance of small and large DSB:Ce samples. Moreover, the contribution will report on test results of 3x3 arrays of homogenous blocks and sampling modules assembled from DSB/Pb layers exposed to energy-marked photons up to 250 MeV.
The work was supported by the INTELUM, ATTRACT and Crystal Clear Collaboration Projects.