Abstract
We survey the sensitivity of past and present neutrino experiments to MeV-GeV scale dark matter, and find that these experiments possess novel sensitivity that has not yet fully explored. NO$\nu$A and BEBC are found to rule out the scalar thermal target for dark matter masses between 10 MeV to 100 MeV with existing data, while CHARM-II and MINER$\nu$A place somewhat weaker limits. These limits can be dramatically improved by off-axis searches using the NuMI beamline and the MicroBooNE, MiniBooNE or ICARUS detectors, and can even begin to probe the Majorana thermal target. We conclude that past and present neutrino facilities can search for light dark matter concurrently with their neutrino program and reach a competitive sensitivity to proposed future experiments.
Highlights
A program for the direct detection of light dark matter (LDM) in the keV-GeV mass range has recently been advanced as many current dark matter searches are insensitive to DM below a few GeV in mass
We found the following: (i) NOνA and Big European Bubble Chamber (BEBC) exclude a significant range of masses for the scalar thermal target
(iii) The derived limits hold for ratios of the dark photon mass to the dark matter mass larger than three, as both the limits and the relic density curves are squeezed to smaller dark matter masses by this change, but are otherwise unchanged
Summary
A program for the direct detection of light dark matter (LDM) in the keV-GeV mass range has recently been advanced as many current dark matter searches are insensitive to DM below a few GeV in mass. While high energy colliders have limited sensitivity to light, ultraweakly coupled particles, accelerator experiments such as fixed-target experiments and low energy colliders (the socalled intensity frontier) represent an ideal playground [3], with the advantage that the DM is produced with relativistic energies [4,5,6,7]. This has stimulated a wave of interest in.
Sign-in/Register to view highlights & summary Sign-in/Register to access full text options 
Free) 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call
