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Energy-dependent Boosted Dark Matter from Diffuse Supernova Neutrino Background
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Energy-dependent Boosted Dark Matter from Diffuse Supernova Neutrino Background
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Diffuse neutrinos from past supernovae in the Universe present us with a unique opportunity to test dark matter (DM) interactions. These neutrinos can scatter and boost the DM particles in the Milky Way halo to relativistic energies allowing us to detect them in terrestrial laboratories. Focusing on generic models of DM-neutrino and electron interactions, mediated by a vector or a scalar boson, we implement energy-dependent scattering cross-sections and perform detailed numerical analysis of DM attenuation due to electron scattering in-medium while propagating towards terrestrial experiments. We set new limits on DM-neutrino and electron interactions for DM with masses in the range $\sim (0.1, 10^4)~$MeV, using recent data from XENONnT, LUX-ZEPLIN, and PandaX-4T direct detection experiments. We demonstrate that consideration of energy-dependent cross-sections for DM interactions can significantly affect constraints previously derived under the assumption of constant cross-sections, modifying them by multiple orders of magnitude.
Forward citations
Cited by 4 Pith papers
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Primordial black holes as cosmic accelerators of light dark matter: Novel direct detection constraints
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...
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Dark Matter Heating of Compact Stars Beyond Capture: A Relativistic Framework for Energy Deposition by Particle Beams
A new relativistic formalism computes capture and energy deposition of directed particle beams in compact stars, applied to blazar-boosted dark matter heating of white dwarfs and neutron stars.
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Primordial black holes as cosmic accelerators of light dark matter: Novel direct detection constraints
Hawking-evaporating primordial black holes could boost light dark matter to detectable energies, and the new electron-recoil constraints from XENONnT, LZ, and PandaX-4T tighten limits on its mass and cross-section.
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Cosmic-ray-electron boosted light dark matter: Implications of LZ 2025 data
Using LZ 2025 data, cosmic-ray-electron boosted sub-MeV dark matter is constrained at levels at or below the previous XENONnT reach, with the strongest gains claimed for light mediators.
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