Conveners
Session 6
- Chair: Bradley Kavanagh
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Isabella Masina (University of Ferrara, Italy)20/06/2023, 11:20Talk
Primordial black holes might have existed in the early universe and, via their evaporation mechanism (completed before Big Bang Nucleosynthesis), they might have released stable particles beyond the Standard Model. We review the possibility that such particles might contribute to dark matter or dark radiation.
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Nicolás Bernal (NYU Abu Dhabi)20/06/2023, 11:40Talk
The evaporation of primordial black holes (PBH) with masses ranging from $\sim 10^{-1}$ to $10^9$ g could have generated the whole observed dark matter (DM) relic density. It is typically assumed that after being produced, its abundance freezes and remains constant. However, thermalization and number-changing processes in the dark sector can have a strong impact, in particular enhancing the DM...
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Dr Andrew Cheek (Astrocent, NCAC)20/06/2023, 12:00Talk
Hawking evaporation of black holes is expected to copiously produce all kinds of particles, regardless of their charges. In this talk, I will discuss how Hawking evaporation provides an efficient way of creating dark matter by way of gravity only. I will then explore the interplay between Primordial Black Hole production and interacting dark matter and their potential incompatibilities....
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Yuber Perez20/06/2023, 12:20Talk
Black Hole evaporation offers a unique particle production method unlike any other interaction process. In the Early Universe, such evaporation can affect the baryon asymmetry produced via leptogenesis since heavy right-handed neutrinos can be emitted independently of the properties of the primordial plasma. However, there is also a large amount of entropy injected, which could dilute the...
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