Initial Performance of the COSINE-100 Experiment
G. Adhikari, P. Adhikari, E. Barbosa de Souza, N. Carlin, S. Choi,, W.Q. Choi, M. Djamal, A.C. Ezeribe, C. Ha, I.S. Hahn, A.J.F. Hubbard, E.J., Jeon, J.H. Jo, H.W. Joo, W. Kang, W.G. Kang, M. Kauer, B.H. Kim, H. Kim, H.J., Kim, K.W. Kim, M.C. Kim, N.Y. Kim, S.K. Kim, Y.D. Kim
TL;DR
The COSINE-100 experiment, using low-background NaI(Tl) crystals at an underground lab, aims to reproduce DAMA/LIBRA's annual modulation signal with stable operation and detailed design features.
Contribution
This paper presents the design, setup, and initial performance results of the COSINE-100 dark matter search experiment.
Findings
Stable operation achieved since summer 2016
Effective shielding and detection configuration implemented
Data collection ongoing for at least two years
Abstract
COSINE is a dark matter search experiment based on an array of low background NaI(Tl) crystals located at the Yangyang underground laboratory. The assembly of COSINE-100 was completed in the summer of 2016 and the detector is currently collecting physics quality data aimed at reproducing the DAMA/LIBRA experiment that reported an annual modulation signal. Stable operation has been achieved and will continue for at least two years. Here, we describe the design of COSINE-100, including the shielding arrangement, the configuration of the NaI(Tl) crystal detection elements, the veto systems, and the associated operational systems, and we show the current performance of the experiment.
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Taxonomy
TopicsParticle Detector Development and Performance · Nuclear Physics and Applications · Superconducting Materials and Applications