Pulse shape discrimination capability of metal-loaded organic liquid scintillators for a short-baseline reactor neutrino experiment
- 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
- Issue Date
- May-2015
- Publisher
- IOP PUBLISHING LTD
- Keywords
- pulse shape discriminaton; liquid scintillator; reactor neutrino; gadolinium; lithium
- Citation
- PHYSICA SCRIPTA, v.90, no.5
- Journal Title
- PHYSICA SCRIPTA
- Volume
- 90
- Number
- 5
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/9633
- DOI
- 10.1088/0031-8949/90/5/055302
- ISSN
- 0031-8949
1402-4896
- Abstract
- A new short-baseline (SBL) reactor neutrino experiment is proposed to investigate a reactor antineutrino 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 (Li-6) 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.
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