Electron scattering of light new particles from evaporating primordial black holes

Abstract

Primordial black holes are a possible component of dark matter, and a most promising way of investigating them is through the product of their Hawking evaporation. As a result of this process, any species lighter than the Hawking temperature is emitted, including possible new particles beyond the Standard Model. These can then be detected in lab-based experiments via their interaction with the Standard Model particles. In a previous work, we have first proposed and studied this scenario in the presence of an interaction between the light new species and nucleons. Here we extend this discussion to include the case of interaction with electrons. We show that the simultaneous presence of primordial black holes and species lighter than about $100$ MeV can be constrained by the measurements of direct detection experiments, such as XENON1T, and water Cherenkov neutrino detectors, such as Super-Kamiokande. Our results provide a complementary and alternative way of investigation with respect to cosmological and collider searches.

11 pages, 3 figures v2: version published in Physical Review D text typo corrects

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• Blazar boosted Dark Matter -- direct detection constraints on ${\sigma }_{e\chi }$ : Role of energy dependent cross sections
• Dark matter substructures affect dark matter-electron scattering in xenon-based direct detection experiments
• Search for boosted keV-MeV light dark matter particles from evaporating primordial black holes at the CDEX-10 experiment
• Electron-target experiment constraints on light dark matter produced in primordial black hole evaporation
• Boosted dark matter from primordial black holes produced in a first-order phase transition
• Starburst Nuclei as Light Dark Matter Laboratories
• Hadrophilic Light Dark Matter from the Atmosphere