Boosted dark matter quarrying at surface neutrino detectors
Abstract
We propose the idea of “Earth Shielding” to reject cosmic-ray backgrounds, in the search for boosted dark matter at surface neutrino detectors, resulting in the enhancement of the signal-to-background ratio. The identification of cosmic-originating rare signals, especially lacking features, at surface detectors is often considered hopeless due to a vast amount of cosmic-ray-induced background, hence underground experiments are better motivated to avoid such a challenge. We claim that surface detectors can attain remarkable sensitivities to even featureless signals, once restricting to events coming through the Earth from the opposite side of the detector location for the signals leaving appreciable tracks from which the source direction is inferred. By doing so, potential backgrounds in the signal region of interest can be substantially suppressed. To validate our claim, we study experimental reaches at several surface experiments such as SBN Program (MicroBooNE, ICARUS, and SBND) and ProtoDUNE for elastic boosted dark matter signatures stemming from the Galactic Center. We provide a systematic discussion on maximizing associated signal sensitivities.
- Authors:
-
- European Organization for Nuclear Research (CERN), Geneva (Switzerland). Theoretical Physics Dept.
- Univ. of Kansas, Lawrence, KS (United States). Dept. of Physics and Astronomy
- Chungnam National Univ., Daejeon (Korea, Republic of). Dept. of Physics
- Univ. of Chicago, IL (United States). Enrico Fermi Inst.; Yonsei Univ., Seoul (Korea, Republic of). Dept. of Physics. Inst. of Physics and Applied Physics (IPAP)
- Publication Date:
- Research Org.:
- Univ. of Kansas, Lawrence, KS (United States); Chungnam National Univ., Daejeon (Korea, Republic of); Yonsei Univ., Seoul (Korea, Republic of)
- Sponsoring Org.:
- USDOE Office of Science (SC), High Energy Physics (HEP); National Research Foundation of Korea (NRF)
- OSTI Identifier:
- 1512404
- Grant/Contract Number:
- SC0017965; NRF-2016R1C1B2015225; NRF-2017R1D1A1B03032076
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Journal of High Energy Physics (Online)
- Additional Journal Information:
- Journal Name: Journal of High Energy Physics (Online); Journal Volume: 2018; Journal Issue: 8; Journal ID: ISSN 1029-8479
- Publisher:
- Springer Berlin
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 79 ASTRONOMY AND ASTROPHYSICS; 46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; Beyond Standard Model; cosmology of theories beyond the SM
Citation Formats
Kim, Doojin, Kong, Kyoungchul, Park, Jong-Chul, and Shin, Seodong. Boosted dark matter quarrying at surface neutrino detectors. United States: N. p., 2018.
Web. doi:10.1007/jhep08(2018)155.
Kim, Doojin, Kong, Kyoungchul, Park, Jong-Chul, & Shin, Seodong. Boosted dark matter quarrying at surface neutrino detectors. United States. https://doi.org/10.1007/jhep08(2018)155
Kim, Doojin, Kong, Kyoungchul, Park, Jong-Chul, and Shin, Seodong. Fri .
"Boosted dark matter quarrying at surface neutrino detectors". United States. https://doi.org/10.1007/jhep08(2018)155. https://www.osti.gov/servlets/purl/1512404.
@article{osti_1512404,
title = {Boosted dark matter quarrying at surface neutrino detectors},
author = {Kim, Doojin and Kong, Kyoungchul and Park, Jong-Chul and Shin, Seodong},
abstractNote = {We propose the idea of “Earth Shielding” to reject cosmic-ray backgrounds, in the search for boosted dark matter at surface neutrino detectors, resulting in the enhancement of the signal-to-background ratio. The identification of cosmic-originating rare signals, especially lacking features, at surface detectors is often considered hopeless due to a vast amount of cosmic-ray-induced background, hence underground experiments are better motivated to avoid such a challenge. We claim that surface detectors can attain remarkable sensitivities to even featureless signals, once restricting to events coming through the Earth from the opposite side of the detector location for the signals leaving appreciable tracks from which the source direction is inferred. By doing so, potential backgrounds in the signal region of interest can be substantially suppressed. To validate our claim, we study experimental reaches at several surface experiments such as SBN Program (MicroBooNE, ICARUS, and SBND) and ProtoDUNE for elastic boosted dark matter signatures stemming from the Galactic Center. We provide a systematic discussion on maximizing associated signal sensitivities.},
doi = {10.1007/jhep08(2018)155},
journal = {Journal of High Energy Physics (Online)},
number = 8,
volume = 2018,
place = {United States},
year = {Fri Aug 24 00:00:00 EDT 2018},
month = {Fri Aug 24 00:00:00 EDT 2018}
}
Web of Science
Figures / Tables:
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