The COSINE-100 liquid scintillator veto system

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 t...

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Published inNuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment Vol. 1006; p. 165431
Main Authors Adhikari, G., Barbosa de Souza, E., Carlin, N., Choi, J.J., Choi, S., Djamal, M., Ezeribe, A.C., França, 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.
Format Journal Article
LanguageEnglish
Published Elsevier B.V 01.08.2021
Subjects
COSINE-100
Dark matter
LAB
Liquid scintillator
Dark matter
LAB
Liquid scintillator
COSINE-100
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Summary: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 internal 40K 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.
ISSN:0168-9002
1872-9576
DOI:10.1016/j.nima.2021.165431