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Improving the light collection using a new NaI(Tl)crystal encapsulation
J. J. Choi, B. J. Park, C. Ha +7
NaI(Tl) crystals are used as particle detectors in a variety of rare-event search experiments because of their superb light-emission quality. The crystal light yield is generally h…
Measurement of the cosmic muon annual and diurnal flux variation with the COSINE-100 detector
100 Collaboration, H. Prihtiadi, G. Adhikari +44
We report measurements of annual and diurnal modulations of the cosmic-ray muon rate in the Yangyang underground laboratory (Y2L) using 952 days of COSINE-100 data acquired between…
Lowering the energy threshold in COSINE-100 dark matter searches
G. Adhikari, E. Barbosa de Souza, N. Carlin +43
COSINE-100 is a dark matter detection experiment that uses NaI(Tl) crystal detectors operating at the Yangyang underground laboratory in Korea since September 2016. Its main goal i…
Development of ultra-pure NaI(Tl) detectors for the COSINE-200 experiment
B. J. Park, J. J. Choe, J. S. Choi +17
The annual modulation signal observed by the DAMA experiment is a long-standing question in the community of dark matter direct detection. This necessitates an independent verifica…
Depth profile study of Pb in the surface of an NaI(Tl) crystal
G. H. Yu, C. Ha, E. J. Jeon +6
The surface Pb is one of the main background sources for dark-matter-search experiments using NaI(Tl) crystals, and its spectral features associated with the beta-decay eve…