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Saniya Heeba
McGill University

Abstract:

The microphysical properties of Dark Matter (DM), such as its mass and coupling strength, are typically assumed to retain their vacuum values when considering DM behaviour at a range of scales. However, DM interactions in different astrophysical and cosmological environments may be impacted by the properties of the background which in turn can substantially affect both DM production and the detection prospects for any given model. In the recent years, this has generated a lot of interest in calculating DM observables at finite temperature and density. 

In this talk, I will provide an overview of what these effects are, and how they may give rise to new DM production mechanisms as well as impact observables.

bring together experimental and theoretical astroparticle physicists and astronomers. They are held approximately fortnightly, September to November and January to March, and on an ad hoc basis outside of term. They currently take place on Thursdays at 1:30 PM in STI 501 and/or on Zoom. Contact Joe Bramante, Melissa Diamond, or Aaron Vincent if you would like to attend through zoom.