학술논문
Search for bosonic super-weakly interacting massive particles at COSINE-100
Document Type
Working Paper
Author
Adhikari, G.; 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, B. 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.; 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.; Manzato, B. B.; Maruyama, R. H.; Neal, R. J.; Nikkel, J. A.; Olsen, S. L.; 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.; Cavalcante, D. F. F. S.; Scarff, A.; Spooner, N. J. C.; Thompson, W. G.; Yang, L.; Yu, G. H.
Source
Phys. Rev. D 108 (2023) L041301
Subject
Language
Abstract
We present results of a search for bosonic super-weakly interacting massive particles (BSW) as keV scale dark matter candidates that is based on an exposure of 97.7 kg$\cdot$year from the COSINE experiment. In this search, we employ, for the first time, Compton-like as well as absorption processes for pseudoscalar and vector BSWs. No evidence for BSWs is found in the mass range from 10 $\mathrm{keV/c}^2$ to 1 $\mathrm{MeV/c}^2$, and we present the exclusion limits on the dimensionless coupling constants to electrons $g_{ae}$ for pseudoscalar and $\kappa$ for vector BSWs at 90% confidence level. Our results show that these limits are improved by including the Compton-like process in masses of BSW, above $\mathcal{O}(100\,\mathrm{keV/c}^2)$.