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Full text (ua) Radiation-resistant plastic scintillators with high activator content
O. V. Yelisieieva*, D. A. Yelisieiev, P. Ì. Zhmurin, Yu. Î. Íurkalenko, V. D. Alekseev
Institute of Scintillation Materials, STC “Institute for Single Crystals”, National Academy of Sciences of Ukraine, Kharkiv, Ukraine
*Corresponding author. E-mail address:
osvidlo@i.ua
Abstract: The article considers the possibility of obtaining new radiation-resistant polystyrene-based plastic scintillators by using high concentrations of activators. 2,5-diphenyloxazole, 2-(4-tert-butyl)phenyl)-5-phenyloxazole-1,3, 2,5-bis(4-(tert-butyl)phenyl)oxazole, 2-(4-tert-butyl)phenyl)-5-phenyl-1,3,4-oxadiazole and N-tolylcarbazole were used as activators. A number of PSs containing from 10 to 40 wt. % of each of the above activators was created, and their radiation resistance was investigated. Using 2,5-diphenyloxazole and its alkyl derivatives, PSs were developed, the light output half-attenuation dose of which reaches 280 kGy.
Keywords: plastic scintillator, activator, light output, radiation resistance.
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