Pulse shape discrimination capability of metal-loaded organic liquid scintillators for a short-baseline reactor neutrino experiment. (2nd April 2015)

• Record Type: Journal Article
• Authors: Kim, B R; Han, B Y; Jeon, E J; Joo, K K; Kang, Jeongsoo; Khan, N; Kim, H J; Kim, Hyunsoo; Kim, J Y; Siyeon, Kim; Kim, S C; Kim, Yeongduk; Ko, Y J; Lee, Jaison; Lee, Jeong-Yeon; Lee, J Y; Ma, K J; Park, Hyeonseo; Park, H K; Park, K S; Seo, K M; Seon, Gwang-Min; Yeo, I S; Yeo, K M
• Is Part Of: Physica scripta. Volume 90:Number 5(2015:May)
• Publication Date: 2015-04-02
• Subjects: pulse shape discriminaton -- liquid scintillator -- reactor neutrino -- gadolinium -- lithium; 29.40.Mc -- 14.60Pq; Physics -- Periodicals; 530.05
• DOI: 10.1088/0031-8949/90/5/055302
• Languages: English
• ISSNs: 0031-8949

Abstract

Abstract: A new short-baseline (SBL) reactor neutrino experiment is proposed to investigate a reactor anti-neutrino anomaly. A liquid scintillator (LS) is used to detect anti-neutrinos emitted from a Hanaro reactor, and the pulse shape discrimination (PSD) ability of the metal-loaded organic LSs is evaluated on small-scale laboratory samples. PSD can be affected by selecting different base solvents, and several of the LSs used two different organic base solvents, such as linear alkyl benzene and di-isopropylnaphthalene. For the metallic content, gadolinium (Gd) or lithium ( 6 Li) was loaded into a home-made organic LS and into a commercially available liquid scintillation cocktail. A feasibility study was performed for the PSD using several different liquid scintillation cocktails. In this work, the preparation and the PSD characteristics of a promising candidate, which will be used in an above-ground environment, are summarized and presented.