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Strong New Limits on Light Dark Matter from Neutrino Experiments

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arxiv 1906.11283 v3 pith:33WOZCYK submitted 2019-06-26 hep-ph astro-ph.HE

Christopher V. Cappiello , John F. Beacom This is my paper · ORCID
classification hep-phastro-ph.HE
keywords darkmatterexperimentssub-gevdetectorselasticlightneutrino
verification ladder T0 review T1 audit T2 compute T3 formal
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The non-detection of GeV-scale WIMPs has led to increased interest in more general candidates, including sub-GeV dark matter. Direct detection experiments, despite their high sensitivity to WIMPs, are largely blind to sub-GeV dark matter. Recent work has shown that cosmic-ray elastic scattering with sub-GeV dark matter would both alter the observed cosmic ray spectra and produce a flux of relativistic dark matter, which would be detectable with traditional dark matter experiments as well as larger, higher-threshold detectors for neutrinos. Using data, detectors, and analysis techniques not previously considered, we substantially increase the regions of parameter space excluded by neutrino experiments for both dark matter-nucleon and dark matter-electron elastic scattering. We also show how to further improve sensitivity to light dark matter.

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Cited by 5 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Primordial black holes as cosmic accelerators of light dark matter: Novel direct detection constraints

    hep-ph 2026-02 unverdicted novelty 7.0 of 10

    Primordial black hole evaporation generates light fermionic dark matter capable of producing electron recoils in XENONnT, LZ, and PandaX-4T, enabling new constraints on DM-electron interactions after including Earth a...

  2. Migdal Ionization as a Probe of Light Dark Matter from Nuclear Transition

    hep-ph 2026-07 conditional novelty 6.0 of 10

    Migdal ionization of reactor-produced sub-MeV dark matter in TEXONO germanium yields new 95% C.L. limits on the reference DM–proton cross section for 0.01 MeV ≤ mχ ≲ 2.6 MeV.

  3. Direct Detection of Leptophobic Dark Matter with Electronic Collective Excitations

    hep-ph 2025-10 conditional novelty 6.0 of 10

    Leptophobic dark matter can excite plasmons in silicon through hadronic loops, and SENSEI data now constrain its nucleon cross section down to ~1e-31 cm^2 in the sub-MeV mass range.

  4. Dark Secrets of Baryons: Illuminating Dark Matter-Baryon Interactions with JWST

    hep-ph 2025-11 conditional novelty 5.0 of 10

    JWST ultraviolet luminosity function data currently provide the strongest upper limits on velocity-dependent (∝v^{-2}) dark matter–proton scattering for sub-GeV dark matter.

  5. A congruous approach with realistic cross section towards limiting sub-GeV dark matter from LUX-ZEPLIN

    hep-ph 2025-09 conditional novelty 4.0 of 10

    Using LZ nuclear recoil data, the authors derive 90% CL exclusion limits on cosmic-ray-boosted sub-GeV dark matter for two U(1)' mediator models, with energy-dependent cross sections improving the lower reach versus c...

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