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Report of the Topical Group on Cosmic Probes of Dark Matter for Snowmass 2021
Alex Drlica-Wagner, Chanda Prescod-Weinstein, Hai-Bo Yu +37
Cosmological and astrophysical observations currently provide the only robust, positive evidence for dark matter. Cosmic probes of dark matter, which seek to determine the fundamen…
Swampland Bounds on Dark Sectors
Miguel Montero, Julian B. Muñoz, Georges Obied
We use Swampland principles to theoretically disfavor regions of the parameter space of dark matter and other darkly charged particles that may exist. The Festina Lente bound, the…
The Physics of Light Relics
Cora Dvorkin, Joel Meyers, Peter Adshead +19
Many well-motivated extensions of the Standard Model predict the existence of new light species that may have been produced in the early universe. Prominent examples include axions…
Astrophysical and Cosmological Probes of Dark Matter
Kimberly K. Boddy, Mariangela Lisanti, Samuel D. McDermott +16
While astrophysical and cosmological probes provide a remarkably precise and consistent picture of the quantity and general properties of dark matter, its fundamental nature remain…
Snowmass2021 Cosmic Frontier White Paper:Primordial Black Hole Dark Matter
Simeon Bird, Andrea Albert, Will Dawson +13
Primordial Black Holes (PBHs) are a viable candidate to comprise some or all of the dark matter and provide a unique window into the high-energy physics of the early universe. This…
Snowmass2021 Cosmic Frontier White Paper: Dark Matter Physics from Halo Measurements
Keith Bechtol, Simon Birrer, Francis-Yan Cyr-Racine +41
The non-linear process of cosmic structure formation produces gravitationally bound overdensities of dark matter known as halos. The abundances, density profiles, ellipticities, an…