Aging study of Gd concentration in LAB-based Gd loaded liquid scintillator exposed to passivated stainless steel

Y. Hino, H. Furuta, F. Suekane

研究成果: Article査読

抄録

Stainless steel is a candidate of the inner surface of the storage container for LAB-based Gadolinium loaded liquid scintillator (Gd-LS) to be used in the JSNS2 neutrino detector. Aging effect on Gd concentration of Gd-LS was investigated with the Gd-LS sample stored in the passivated stainless steel bottle by two independent methods. The direct comparison of the neutron capture time measurement showed that there is no significant degradation of the capture time after 617 days aging. Titration was performed to measure Gd concentration, and the result after 466 days aging is consistent with the result before aging within the uncertainty of the measurement. Both results lead to a conclusion that stainless steel is usable for Gd-LS storage for JSNS2 experiment.

本文言語English
論文番号P09007
ジャーナルJournal of Instrumentation
14
9
DOI
出版ステータスPublished - 2019 9月 9

ASJC Scopus subject areas

  • 数理物理学
  • 器械工学

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