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The COSINE-100 liquid scintillator veto system

Authors
Adhikari, G.Souza, E. Barbosa deCarlin, N.Choi, J. J.Choi, S.Djamal, M.Ezeribe, A. C.Franca, L. E.Ha, C.Hahn, I. S.Jeon, E. J.Jo, J. H.Kang, W. G.Kauer, M.Kim, H.Kim, H. J.Kim, K. W.Kim, S. K.Kim, Y. D.Kim, Y. H.Ko, Y. J.Lee, E. K.Lee, H. S.Lee, J.Lee, J. Y.Lee, M. H.Lee, S. H.Leonard, D. S.Manzato, B. B.Maruyama, R. H.Neal, R. J.Olsen, S. L.Park, B. J.Park, H. K.Park, H. S.Park, K. S.Pitta, R. L. C.Prihtiadi, H.Ra, S. J.Rott, C.Shin, K. A.Scarff, A.Spooner, N. J. C.Thompson, W. G.Yang, L.Yu, G. H.
Issue Date
1-Aug-2021
Publisher
ELSEVIER
Keywords
COSINE-100; Dark matter; LAB; Liquid scintillator
Citation
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, v.1006
Indexed
SCIE
SCOPUS
Journal Title
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
Volume
1006
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/136881
DOI
10.1016/j.nima.2021.165431
ISSN
0168-9002
Abstract
This paper describes the liquid scintillator veto system for the COSINE-100 dark matter experiment and its performance. The COSINE-100 detector consists of eight NaI(Tl) crystals immersed in 2200 L of linear alkylbenzene-based liquid scintillator. The liquid scintillator tags between 65 and 75% of the internal40K background in the 2-6 keV energy region. We also describe the background model for the liquid scintillator, which is primarily used to assess its energy calibration and threshold.
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