Abstract
We present a search for boosted dark matter from primordial black hole (PBH) evaporation using the DarkSide-50 ionization-signal-only dataset corresponding to the experiment’s ð12202 + 180Þ kg d exposure. We focus on evaporation of PBHs with masses in the range ½1014; 1016 g producing Dirac fermionic dark matter particles with sub-GeV kinetic energy. These relativistic particles, with energies up to hundreds of MeV, can generate detectable signals for masses below Oð100Þ MeV. The absence of a signal enables setting complementary limits to those derived from cosmological observations and direct detection searches for cosmic-ray-boosted dark matter.
| Original language | English (US) |
|---|---|
| Article number | 123058 |
| Journal | Physical Review D |
| Volume | 112 |
| Issue number | 12 |
| DOIs | |
| State | Published - Jan 2025 |
All Science Journal Classification (ASJC) codes
- Nuclear and High Energy Physics
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