Published January 1, 2023
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Search for MeV electron recoils from dark matter in EXO-200
Creators
- Al Kharusi, S.
- Anton, G.
- Badhrees, I.
- Barbeau, P. S.
- Beck, D.
- Belov, V.
- Bhatta, T.
- Breidenbach, M.
- Brunner, T.
- Cao, G. F.
- Cen, W. R.
- Chambers, C.
- Cleveland, B.
- Coon, M.
- Craycraft, A.
- Daniels, T.
- Darroch, L.
- Daugherty, S. J.
- Davis, J.
- Delaquis, S.
- Der Mesrobian-Kabakian, A.
- DeVoe, R.
- Dilling, J.
- Dolgolenko, A.
- Dolinski, M. J.
- Echevers, J.
- Fairbank, W.
- Fairbank, D.
- Farine, J.
- Feyzbakhsh, S.
- Fierlinger, P.
- Fu, Y. S.
- Fudenberg, D.
- Gautam, P.
- Gornea, R.
- Gratta, G.
- Hall, C.
- Hansen, E. V.
- Hoessl, J.
- Hufschmidt, P.
- Hughes, M.
- Iverson, A.
-
Jamil, A.
- Jessiman, C.
- Jewell, M. J.
- Johnson, A.
- Karelin, A.
- Kaufman, L. J.
- Koffas, T.
- Krücken, R.
- Kuchenkov, A.
- Kumar, K. S.
- Lan, Y.
- Larson, A.
- Lenardo, B. G.
- Leonard, D. S.
- Li, G. S.
- Li, S.
- Li, Z.
- Licciardi, C.
- Lin, Y. H.
- MacLellan, R.
- McElroy, T.
- Michel, T.
- Mong, B.
- Moore, D. C.
- Murray, K.
- Njoya, O.
- Nusair, O.
- Odian, A.
- Ostrovskiy, I.
- Perna, A.
- Piepke, A.
- Pocar, A.
- Retière, F.
- Robinson, A. L.
- Rowson, P. C.
- Ruddell, D.
- Runge, J.
- Schmidt, S.
- Sinclair, D.
- Skarpaas, K.
- Soma, A. K.
- Stekhanov, V.
- Tarka, M.
- Thibado, S.
- Todd, M.
- Tolba, T.
- Totev, T. I.
- Tsang, R. H. M.
- Veenstra, B.
- Veeraraghavan, V.
-
Vogel, P.
- Vuilleumier, J.-L.
- Wagenpfeil, M.
- Watkins, J.
- Wen, L. J.
- Wichoski, U.
- Wrede, G.
- Wu, S. X.
- Xia, Q.
- Yahne, D. R.
- Yang, L.
- Yen, Y.-R.
- Zeldovich, O. Ya.
- Ziegler, T.
- EXO-200 Collaboration
Abstract
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 × 10⁻⁴ cts kg⁻¹ yr⁻¹ keV⁻¹ above 4 MeV and find no statistically significant excess over our background projection. Using a total ¹³⁶Xe exposure of 234.1 kg yr we exclude new parameter space for the charged-current absorption cross-section for dark matter masses between m_χ = 2.6−11.6 MeV with a minimum of 6 × 10⁻⁵¹ cm² at 8.3 MeV at the 90% confidence level.
Additional Information
Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI. Funded by SCOAP3. EXO-200 is supported by the DOE and NSF in the U.S., the NSERC in Canada, the SNF in Switzerland, the IBS in Korea, the DFG in Germany, and CAS and ISTCP in China. The EXO-200 data analysis and simulation use resources of the National Energy Research Scientific Computing Center. We gratefully acknowledge the KARMEN Collaboration for supplying the cosmic-ray veto detectors, as well as the WIPP for their hospitality.Attached Files
Published - PhysRevD.107.012007.pdf
Files
PhysRevD.107.012007.pdf
Additional details
Identifiers
- Eprint ID
- 120862
- Resolver ID
- CaltechAUTHORS:20230413-526384400.2
Related works
- Describes
- 10.1103/PhysRevD.107.012007 (DOI)
Funding
- Department of Energy (DOE)
- NSF
- Natural Sciences and Engineering Research Council of Canada (NSERC)
- Swiss National Science Foundation (SNSF)
- Institute for Basic Science (Korea)
- Deutsche Forschungsgemeinschaft (DFG)
- Chinese Academy of Sciences
- International Science and Technology Cooperation Programme
- SCOAP3
Dates
- Created
-
2023-05-16Created from EPrint's datestamp field
- Updated
-
2023-05-16Created from EPrint's last_modified field
Caltech Custom Metadata
- Caltech groups
- Kellogg Radiation Laboratory