Development and mass production of a mixture of LAB- and DIN-based gadolinium-loaded liquid scintillator for the NEOS short-baseline neutrino experiment

Ba Ro Kim, Boyoung Han, Eunju Jeon, Kyung Kwang Joo, H. J. Kim, Hyunsoo Kim, Jinyu Kim, Yeongduk Kim, Youngju Ko, Jaison Lee, Jooyoung Lee, Moo Hyun Lee, Yoomin Oh, Hyangkyu Park, Kang soon Park, Kyungmin Seo, Gwang Min Seon, Kim Siyeon

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14 Scopus citations

Abstract

A new experiment, called the NEutrino Oscillation at Short baseline (NEOS), is proposed on the site of Hanbit Reactors at Yonggwang, South Korea, to investigate a reactor antineutrino anomaly. The homogeneous NEOS detector having a 1000-l target volume was constructed and deployed at the tendon gallery 25 m away from the reactor core. The NEOS detector employs a linear alkylbenzene (LAB) based gadolinium loaded liquid scintillator with 10 % di-isopropylnaphthalene (DIN) based liquid scintillator to improve the particle identification via pulse shape discrimination. In this paper, we report the procedure for the mass production of the Gd-loaded scintillator for the NEOS detector.

Original languageEnglish
Pages (from-to)311-316
Number of pages6
JournalJournal of Radioanalytical and Nuclear Chemistry
Volume310
Issue number1
DOIs
StatePublished - 1 Oct 2016

Keywords

  • Base organic solvent
  • DIN
  • Gadolinium (Gd)
  • LAB
  • Liquid scintillator
  • Neutrino
  • Optical properties

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