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Three-year annual modulation search with COSINE-100open access
- Authors
- Adhikari, G.; de Souza, E. Barbosa; Carlin, N.; Choi, J. J.; Choi, S.; Ezeribe, A. C.; Franca, L. E.; Ha, C.; Hahn, I. S.; Hollick, S. J.; Jeon, E. J.; Jo, J. H.; Joo, H. W.; Kang, W. G.; Kauer, M.; Kim, H.; Kim, H. J.; Kim, J.; Kim, K. W.; Kim, S. H.; Kim, S. K.; Kim, W. K.; Kim, Y. D.; Kim, Y. H.; Ko, Y. J.; Kwon, H. J.; Lee, D. H.; Lee, E. K.; Lee, H.; Lee, H. S.; Lee, H. Y.; Lee, I. S.; Lee, J.; Lee, J. Y.; Lee, M. H.; Lee, S. H.; Lee, S. M.; Leonard, D. S.; Manzato, B. B.; Maruyama, R. H.; Neal, R. J.; Park, B. J.; Park, H. K.; Park, H. S.; Park, K. S.; Park, S. D.; 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
- 14-9월-2022
- Publisher
- AMER PHYSICAL SOC
- Citation
- PHYSICAL REVIEW D, v.106, no.5
- Indexed
- SCIE
SCOPUS
- Journal Title
- PHYSICAL REVIEW D
- Volume
- 106
- Number
- 5
- ISSN
- 2470-0010
- Abstract
- COSINE-100 is a direct detection dark matter experiment that aims to test DAMA/LIBRA's claim of dark matter discovery by searching for a dark-matter-induced annual modulation signal with NaI(Tl) detectors. We present new constraints on the annual modulation signal from a dataset with a 2.82 yr livetime utilizing an active mass of 61.3 kg for a total exposure of 173 kg middot yr. This new result features an improved event selection that allows for both lowering the energy threshold to 1 keV and a more precise time-dependent background model. In the 1-6 and 2-6 keV energy intervals, we observe best-fit values for the modulation amplitude of 0.0067 +/- 0.0042 and 0.0051 +/- 0.0047 counts/(day middot kg middot keV), respectively, with a phase fixed at 152.5 days.
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Collections - Graduate School > Department of Accelerator Science > 1. Journal Articles
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