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We propose a novel way of investigating primordial black holes via the direct detection of light species, and viceversa. In particular, we examine the scenario, dubbed as ePBH-DM, where primordial black holes with masses from 10 14  to 10 16  g evaporate at present times into light dark species with masses smaller than 1 GeV. Such particles are typically emitted with relativistic velocities, thus allowing for their observations in direct detection experiments devoted to dark matter searches. Thus, we show that the latest data of the XENON1T experiment place very stringent constraints on the combined parameter space of primordial black holes and light dark particles.

Evaporation of Primordial Black Holes into Light Dark Particles