Optimization of the quantitative composition of scintillation additives for a tellurium-loaded plastic scintillator

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Abstract

We described the optimization of the composition of a tellurium-loaded plastic scintillator (TePS) for experiments on the search for neutrinoless double beta decay. Polystyrene was used as a scintillation base for Te-PS and 2,5-diphenyloxazole (PPO) and 1,4-bis(5-phenyloxazol-2-yl)benzene (POPOP) were used as scintillation additives. Complex compound of diphenyltellurium oxide and di-(2-ethylhexyl)phosphoric acid in a concentration corresponding to 1% tellurium content was used as tellurium-containing additive. The light yield and transparency of the scintillators were measured.

About the authors

I. B Nemchenok

Joint Institute for Nuclear Research; Dubna State University

Dubna, Russia; Dubna, Russia

A. A Klimenko

Joint Institute for Nuclear Research; Dubna State University

Dubna, Russia; Dubna, Russia

I. A Suslov

Joint Institute for Nuclear Research; Dubna State University

Email: ivsuslov@jinr.ru
Dubna, Russia; Dubna, Russia

A. D Bystryakov

Joint Institute for Nuclear Research; Dubna State University

Dubna, Russia; Dubna, Russia

I. I Kannev

Joint Institute for Nuclear Research

Dubna, Russia

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