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Grodzicka-Kobylka, M., Szczesniak, T., Adamowski, L., Swiderski, L., Brylew, K., Syntfeld-Kazuch, A., et al. (2025). Comparison of an OGS/Polystyrene scintillator (BSO-406) with pure OGS (BSO-100), EJ-276, EJ-309, and M600 scintillators. Nucl. Instrum. Methods Phys. Res. A, 1077, 170559–9pp.
Abstract: The scintillation properties and pulse shape discrimination (PSD) performance of the new BSO-406 (40 % organic glass scintillator and 60 % polystyrene) were investigated. We tested a cylindrical sample with dimensions of 2 x 2 inches. The study includes measurements of neutron-gamma discrimination capability, emission spectra, photoelectron yield, and the analysis of light pulse shapes originating from events related to gamma-rays and fast neutrons. The results were compared to data previously recorded using a pure Organic Glass Scintillator (BSO100), an EJ-309 liquid scintillator, and EJ-276 and M600 polyurethane-based plastic scintillators. The results show that while BSO-406 has a 40 % lower light output compared to pure OGS, it remains comparable to EJ-309, with approximately 13 000 ph/MeV. Its PSD performance, although slightly lower than that of OGS, is the best among plastic scintillators.
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