A. V. Abramov, M. B. Gromov, I. N. Zhutikov, A. V. Kostantinov, D. S. Kuznetsov, E. A. Litvinovich, G. A. Lukyanchenko, I. N. Machulin, A. E. Murchenko, A. M. Nemeryuk, R. R. Nugmanov, A. Yu. Oralbaev, D. V. Popov, A. A. Rastimeshin, S. V. Sukhotin, A. S. Chepurnov, D. A. Chmykhalo, A. V. Ètenko, “Optical and chemical stability of the liquid scintillator of the iDREAM detector at the Kalinin nuclear power plant”, Pisma v Zhurnal Tekhnicheskoi Fiziki, 2023, Volume 49, Issue 15,Pages <nobr>29–32</nobr>

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Pisma v Zhurnal Tekhnicheskoi Fiziki, 2023 Volume 49, Issue 15, Pages 29–32 (Mi pjtf7042)

Optical and chemical stability of the liquid scintillator of the iDREAM detector at the Kalinin nuclear power plant

A. V. Abramov^a, M. B. Gromov^bc, I. N. Zhutikov^a, A. V. Kostantinov^a, D. S. Kuznetsov^a, E. A. Litvinovich^da, G. A. Lukyanchenko^e, I. N. Machulin^da, A. E. Murchenko^a, A. M. Nemeryuk^a, R. R. Nugmanov^a, A. Yu. Oralbaev^ad, D. V. Popov^da, A. A. Rastimeshin^da, S. V. Sukhotin^a, A. S. Chepurnov^c, D. A. Chmykhalo^ad, A. V. Ètenko^ad

^a National Research Centre "Kurchatov Institute", Moscow, Russia
^b Joint Institute for Nuclear Research, Dubna, Moscow oblast, Russia
^c Lomonosov Moscow State University, Skobeltsyn Institute of Nuclear Physics, Moscow, Russia
^d National Engineering Physics Institute "MEPhI", Moscow, Russia
^e Lomonosov Moscow State University, Moscow, Russia

Abstract: Optical and chemical stability studies were performed for a Gd-doped liquid scintillator synthesized for using in a prototype of industrial reactor antineutrino detector iDREAM. It is shown that the scintillator solution 1.1 m$^3$ in volume remains stable for two years of observations provided the temperature is kept below $\sim$20$^\circ$C and contact with air is prevented.

Keywords: neutrino detector, liquid scintillator, reactor antineutrino.

Received: 16.05.2023
Revised: 30.05.2023
Accepted: 31.05.2023

DOI: 10.21883/PJTF.2023.15.55861.19627

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