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Hunting On- and Off-Axis for Light Dark Matter with DUNE-PRISM

2019/03/31 by Valentina De Romeri, Kevin J. Kelly, Pedro A. N. Machado · 2 citations
Physics and Astronomy · #hep-ph #hep-ex

paper · pdf · doi:10.1103/physrevd.100.095010

published as Phys. Rev. D 100, 095010 (2019) · 16 pages (including 5 appendices), 11 figures. Version 2 matches published version with significant rearrangement of results (results unchanged). Version 1 contains nuclear scattering results not present in v2

arxiv created 2019/11/18 · arxiv updated 2019/11/19

Abstract

We explore the sensitivity of the Deep Underground Neutrino Experiment (DUNE) near detector and the proposed DUNE-PRISM movable near detector to sub-GeV dark matter, specifically scalar dark matter coupled to the Standard Model via a sub-GeV dark photon. We consider dark matter produced in the DUNE target that travels to the detector and scatters off electrons. By combining searches for dark matter at many off-axis positions with DUNE-PRISM, sensitivity to this scenario can be much stronger than when performing a measurement at one on-axis position.

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