Physics PAN Seminar by Prof. Brian Shuve (Harvey Mudd College) on Baryogenesis and Dark Matter from Freeze-In

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Date: October 9, 2020
Time: 3:30 p.m. - 4:30 p.m.
Location: on zoom
Category: Seminar

Title: Baryogenesis and Dark Matter from Freeze-In

Abstract: I propose a simple, unified, and testable framework for the generation of the baryon asymmetry and
dark matter. The baryon asymmetry and dark matter are created via freeze-in through the
the decays and inverse decays of QCD-triplet scalars, at least one of which must be in the TeV
mass range. I will show that the out-of-equilibrium baryogenesis condition and the dark matter
density constraint typically require the lightest scalar to be long-lived, giving good prospects for
detection or exclusion in current and upcoming colliders. I will also motivate other astrophysical,
cosmological, and collider signatures.

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Meeting ID: 944 0805 2160
Passcode: 124700
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Raghav Kunnawalkam Elayavalli