6–11 Jun 2021
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America/Toronto timezone
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(I) The cosmology of sub-MeV dark matter freeze-in

8 Jun 2021, 13:55
25m
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Underline Conference System

Speaker

Katelin Schutz (UC Berkeley)

Description

Dark matter could be a "thermal-ish" relic of freeze-in, where the dark matter is produced by extremely feeble interactions with Standard Model particles dominantly at low temperatures. In this talk, I will discuss how sub-MeV dark matter can be made through freeze-in, accounting for a dominant channel where the dark matter gets produced by the decay of plasmons (photons that have an in-medium mass in the primordial plasma of our Universe). I will also explain how the resulting non-thermal dark matter velocity distribution can impact cosmological observables.

Primary author

Katelin Schutz (UC Berkeley)

Presentation materials

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