Journal
PHYSICAL REVIEW D
Volume 101, Issue 11, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.101.116007
Keywords
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Funding
- DOE [desc0010813]
- U.S. Department of Energy [DE-SC0020250]
- Australian Research Council
- National Science Foundation [NSF PHY-1820801]
- NSF [PHY-1748958]
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We study direct detection bounds on cosmic ray-upscattered dark matter in simplified models including light mediators. We find that the energy dependence in the scattering cross section is significant, and produces stronger bounds than previously found (which assumed constant cross sections) by many orders of magnitude at low dark matter mass. Finally, we compute the neutrino-floor that will limit future direct detection searches for cosmic ray-upscattered dark matter. While we focus on vector interactions for illustration, we emphasize that the energy dependence is critical in determining accurate bounds on any particle physics model of dark matter-cosmic ray interactions from experimental data on this scenario.
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