COHERENT constraint on leptophobic dark matter using CsI data

D. Akimov, P. An, C. Awe, P. S. Barbeau, B. Becker, V. Belov, I. Bernardi, M. A. Blackston, C. Bock, A. Bolozdynya, R. Bouabid, J. Browning, B. Cabrera-Palmer, D. Chernyak, E. Conley, J. Daughhetee, J. Detwiler, K. Ding, M. R. Durand, Y. EfremenkoS. R. Elliott, L. Fabris, M. Febbraro, A. Gallo Rosso, A. Galindo-Uribarri, M. P. Green, M. R. Heath, S. Hedges, D. Hoang, M. Hughes, B. A. Johnson, T. Johnson, A. Khromov, A. Konovalov, E. Kozlova, A. Kumpan, L. Li, J. M. Link, J. Liu, A. Major, K. Mann, D. M. Markoff, J. Mastroberti, J. Mattingly, P. E. Mueller, J. Newby, D. S. Parno, S. I. Penttila, D. Pershey, C. Prior, R. Rapp, H. Ray, O. Razuvaeva, D. Reyna, G. C. Rich, J. Ross, D. Rudik, J. Runge, D. J. Salvat, A. M. Salyapongse, J. Sander, K. Scholberg, A. Shakirov, G. Simakov, W. M. Snow, V. Sosnovstsev, B. Suh, R. Tayloe, K. Tellez-Giron-Flores, I. Tolstukhin, E. Ujah, J. Vanderwerp, R. L. Varner, C. J. Virtue, G. Visser, T. Wongjirad, Y. R. Yen, J. Yoo, C. H. Yu, J. Zettlemoyer

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4 Scopus citations

Abstract

We use data from the COHERENT CsI[Na] scintillation detector to constrain sub-GeV leptophobic dark matter models. This detector was built to observe low-energy nuclear recoils from coherent elastic neutrino-nucleus scattering. These capabilities enable searches for dark matter particles produced at the Spallation Neutron Source mediated by a vector portal particle with masses between 2 and 400 MeV/c2. No evidence for dark matter is observed and a limit on the mediator coupling to quarks is placed. This constraint improves upon previous results by two orders of magnitude. This newly explored parameter space probes the region where the dark matter relic abundance is explained by leptophobic dark matter when the mediator mass is roughly twice the dark matter mass. COHERENT sets the best constraint on leptophobic dark matter at these masses.

Original languageEnglish
Article number052004
JournalPhysical Review D
Volume106
Issue number5
DOIs
StatePublished - Sep 1 2022

Funding

The COHERENT collaboration acknowledges the Kavli Institute at the University of Chicago for CsI[Na] detector contributions. The COHERENT collaboration acknowledges the generous resources provided by the ORNL Spallation Neutron Source, a DOE Office of Science User Facility, and thanks Fermilab for the continuing loan of the CENNS-10 detector. We also acknowledge support from the Alfred P. Sloan Foundation, the Consortium for Nonproliferation Enabling Capabilities, the National Science Foundation, the Russian Foundation for Basic Research (proj.# 17-02-01077 A), the Korea National Research Foundation (NRF 2022R1A3B1078756), and the U.S. Department of Energy, Office of Science. Laboratory Directed Research and Development funds from ORNL and Lawrence Livermore National Laboratory also supported this project. This research used the Oak Ridge Leadership Computing Facility, which is a DOE Office of Science User Facility. The work was supported by the Ministry of Science and Higher Education of the Russian Federation, Project Fundamental properties of elementary particles and cosmology No. 0723-2020-0041.

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