Fast neutron and gamma ray pulse shape discrimination in EJ-276 and EJ-276G plastic scintillators

In this paper, we report on the scintillation properties and pulse shape discrimination (PSD) performance of new plastic scintillators, EJ-276 and EJ-276G . Cylindrical samples with dimensions of 1×1 inch and 2×2 inches were tested. Additionally, four samples 2×2 inches in size were used in stack co...

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Bibliographic Details
Published in:Journal of instrumentation 2020-03, Vol.15 (3), p.P03030-P03030
Main Authors: Grodzicka-Kobylka, M., Szczesniak, T., Moszyński, M., Brylew, K., Swiderski, L., Valiente-Dobón, J.J., Schotanus, P., Grodzicki, K., Trzaskowska, H.
Format: Article
Language:English
Subjects:
Discrimination
Emission analysis
Emission spectra
Fast neutrons
Gamma rays
Neutrons
Photoelectrons
Pulse shape
Scintillation counters
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Summary:In this paper, we report on the scintillation properties and pulse shape discrimination (PSD) performance of new plastic scintillators, EJ-276 and EJ-276G . Cylindrical samples with dimensions of 1×1 inch and 2×2 inches were tested. Additionally, four samples 2×2 inches in size were used in stack configurations in order to measure the PSD characteristics of large samples (up to 2×8 inches). The paper covers the measurements of neutron/gamma discrimination, emission spectra, photoelectron yield, and analysis of the light pulse shapes originating from events related to gamma-rays and fast neutrons. The results were compared to data recorded previously using plastic scintillators EJ-299-33, EJ-299-33G, EJ-299-34, EJ-299-34G, and an EJ-301 liquid scintillator.
ISSN:1748-0221
1748-0221
DOI:10.1088/1748-0221/15/03/P03030