{"paper":{"title":"Search for MeV Electron Recoils from Dark Matter in EXO-200","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-ex"],"primary_cat":"hep-ex","authors_text":"A. Craycraft, A. Der Mesrobian-Kabakian, A. Dolgolenko, A. Iverson, A. Jamil, A. Johnson, A. Karelin, A.K. Soma, A. Kuchenkov, A. Larson, A.L. Robinson, A. Odian, A. Perna, A. Piepke, A. Pocar, B. Cleveland, B.G. Lenardo, B. Mong, B. Veenstra, C. Chambers, C. Hall, C. Jessiman, C. Licciardi, D. Beck, D.C. Moore, D. Fairbank, D. Fudenberg, D. Ruddell, D.R. Yahne, D. Sinclair, D.S. Leonard, E.V. Hansen, EXO-200 Collaboration: S. Al Kharusi, F. Reti\\`ere, G. Anton, G.F. Cao, G. Gratta, G.S. Li, G. Wrede, I. Badhrees, I. Ostrovskiy, J. Davis, J. Dilling, J. Echevers, J. Farine, J. Hoessl, J.-L. Vuilleumier, J. Runge, J. Todd, J. Watkins, K. Murray, K. Skarpaas, K.S. Kumar, L. Darroch, L.J. Kaufman, L.J. Wen, L. Yang, M. Breidenbach, M. Coon, M. Hughes, M.J. Dolinski, M.J. Jewell, M. Tarka, M. Wagenpfeil, O. Njoya, O. Nusair, O.Ya. Zeldovich, P.C. Rowson, P. Fierlinger, P. Gautam, P. Hufschmidt, P.S. Barbeau, P. Vogel, Q. Xia, R. DeVoe, R. Gornea, R.H.M. Tsang, R. Kr\\\"ucken, R. MacLellan, S. Delaquis, S. Feyzbakhsh, S.J. Daugherty, S. Li, S. Schmidt, S. Thibado, S.X. Wu, T. Bhatta, T. Brunner, T. Daniels, T.I. Totev, T. Koffas, T. McElroy, T. Michel, T. Tolba, T. Ziegler, U. Wichoski, V. Belov, V. Stekhanov, V. Veeraraghavan, W. Fairbank Jr., W.R. Cen, Y.H. Lin, Y. Lan, Y.-R. Yen, Y.S. Fu, Z. Li","submitted_at":"2022-07-02T18:37:49Z","abstract_excerpt":"We present a search for electron-recoil signatures from the charged-current absorption of fermionic dark matter using the EXO-200 detector. We report an average electron recoil background rate of $6.8 \\times 10^{-4}\\, \\mathrm{cts}\\,\\mathrm{kg}^{-1}\\mathrm{yr}^{-1}\\mathrm{keV}^{-1}$ above $4\\,\\mathrm{MeV}$ and find no statistically significant excess over our background projection. Using a total ${}^{136}\\mathrm{Xe}$ exposure of $234.1\\,\\mathrm{kg}\\,\\mathrm{yr}$ we exclude new parameter space for the charged-current absorption cross-section for dark matter masses between $m_\\chi = 2.6\\,\\mathrm{"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2207.00897","kind":"arxiv","version":3},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2207.00897/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"}