상세 보기
Constraints on sub-GeV dark matter scattering on electrons with COSINE-100
- Franca, L. E.;
- Carlin, N.;
- Cho, J. Y.;
- Cho, S. J.;
- Choi, S.;
- ... Ha, C.;
- 외 56명
WEB OF SCIENCE
0초록
We present results of the search for sub-GeV dark matter interaction with electrons in the NaI(Tl) crystals of the COSINE-100 experiment. The two benchmark scenarios of a heavy and a light vector boson as mediator of the interaction were studied. We found no excess events over the expected background in a dataset of 2.82 years, with a total exposure of 172.9 kg−year. The derived 90% confidence level upper limits exclude a dark matter (DM)-electron scattering cross section above 6.4 ×10−33 cm2 for a DM mass of 0.25 GeV, assuming a light mediator; and above 3.4 ×10−37 cm2 for a 0.4 GeV DM, assuming a heavy mediator, and represent the most stringent constraints for a NaI(Tl) target to date. We also briefly discuss a planned analysis using an annual modulation method below the current 0.7 keV threshold of COSINE-100, down to few photoelectrons yield.
키워드
- 제목
- Constraints on sub-GeV dark matter scattering on electrons with COSINE-100
- 저자
- Franca, L. E.; Carlin, N.; Cho, J. Y.; Cho, S. J.; Choi, S.; Ezeribe, A. C.; Gileva, O.; Ha, C.; Hahn, I. S.; Hollick, S. J.; Jeon, E. J.; Joo, H. W.; Kang, W. G.; Kauer, M.; Kim, B. H.; Kim, D. Y.; Kim, H. J.; Kim, J.; Kim, K. W.; Kim, S. H.; Kim, S. K.; Kim, W. K.; Kim, Y. D.; Kim, Y. H.; Ko, B. R.; Ko, Y. 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.; Lee, Y. J.; Leonard, D. S.; Luan, N. T.; Machado, V. H. A.; Manzato, B. B.; Maruyama, R. H.; Olsen, S. L.; Park, H. K.; Park, H. S.; Park, J. C.; Park, J. S.; Park, K. S.; Park, K.; Park, S. D.; Pitta, R. L. C.; Prihtiadi, H.; Ra, S. J.; Rott, C.; Shin, K. A.; Cavalcante, D. F. F. S.; Son, M. K.; Spooner, N. J. C.; Truc, L. T.; Yang, L.; Yu, G. H.
- 발행일
- 2026-04
- 유형
- Article
- 권
- 113
- 호
- 7