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Connecting Primordial Black Hole to boosted sub-GeV Dark Matter through neutrino
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abstract
The explorations of alternative dark matter (DM) candidates beyond WIMP motivated primordial black holes (PBHs) or sub-GeV DM particle in the Milky Way. Neutrinos from PBH evaporation at the present times play as a novel medium boosting sub-GeV DM and leaving signatures in the terrestrial experiments. We explore the boosted DM by the neutrino flux from PBH evaporation (PBH$\nu$BDM) so as to connect the macroscopic PBHs to sub-GeV DM particle. We consider this PBH$\nu$BDM scenario to interpret the XENON1T keV excess. The projected bounds on the sub-GeV DM-electron scattering cross section and the fraction of DM composed of PBHs $f_{\rm PBH}$ are imposed for future experiments.
Forward citations
Cited by 3 Pith papers
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Supernova-Boosted Dark Matter at Large-Volume Neutrino Detectors
A sensitivity study shows large-volume neutrino detectors could discover supernova-boosted dark matter down to couplings of about 1e-22, with the Betelgeuse timing signal as a key multi-messenger signature.
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Probing light axion-like particle via primordial black hole evaporation with gamma-ray observations
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