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| Description | Speaker: David Curtin Title: Complex Dark Matter Dynamics Room: 3024 Zoom: https://zoom.us/j/186024391 Host: Da Liu Abstract: I will discuss the theoretical motivation and possible signatures of atomic dark matter and similar complex dark sectors. These are theoretically motivated by solutions to the hierarchy problem that relate the dark sector to the SM by a discrete symmetry, like the Twin Higgs, and lead to a large variety of potentially striking signatures on cosmological and astrophysical scales. Mirror stars shining in dark photons are a generic prediction, but they may be observable in telscope surveys if a small kinetic mixing between the dark and visible photon is present, which enables these exotic objects to capture and excite SM matter in their cores. Mirror Neutron stars can be detected at LIGO, microlensing experiments can search for dark disks, and electron recoil direct detection experiments are sensitive to atomic dark matter and its dark plasma effects near the Earth due to capture. While significant recent progress has been made to understand these signatures, tying them together requires a robust understanding of complex dark matter dynamics on cosmological and galactic scale. To this end, I will give a preview of our current research program to obtain precision cosmological bounds on atomic dark matter, and use full magneto-hydrodynamical N-body simulations to include their effects on the evolution of our Milky Way. |
| Date | Mon, May 9, 2022 |
| Time | 1:30pm-3:00pm PDT |
| Duration | 1 hour 30 minutes |
| Access | Public |
| Created by | High-Energy Seminars |
| Updated | Tue, May 3, 2022 11:31am PDT |
