Discover exciting experiments at the intersection of nuclear, particle, and astrophysics that use low-background, cryogenic detection techniques to look for tiny signals of undiscovered phenomena that would herald new physics.

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In our quest to understand the nature of matter and mass, we draw on knowledge from many different fields, combining our understanding of the behaviour of the smallest known subatomic particles with our observations of the dynamics of galaxies and clusters of galaxies at unimaginably large length scales.

Our current understanding of physics already does an excellent job of creating a unified picture of how it all fits together.

But in this talk, Danielle explores how important questions – including the origin of the observed matter-antimatter asymmetry and the makeup of an invisible mass component in galaxies – challenge our understanding, and hint that there are deeper descriptions beyond our standard models of particle physics and cosmology.

This livestream was recorded at the Ri on 12 October 2022.

Danielle Speller is a researcher in experimental nuclear and particle astrophysics. Her work centres on understanding the nature of matter and mass through low-energy, cryogenic searches for physics beyond the standard model.

Danielle is a collaborator on both the Cryogenic Underground Observatory for Rare Events (CUORE) and the Haloscope at Yale Sensitive to Axion Cold dark matter (HAYSTAC), as well as related research and development projects. Her graduate work was with the Super Cryogenic Dark Matter Search experiment (SuperCDMS).

Danielle was a Park Scholar at North Carolina State University in Raleigh, North Carolina, and graduated with a double-major in physics and applied mathematics. She earned her PhD from the University of California, Berkeley, and joined the Maruyama Lab at Yale University’s Wright Laboratory in 2017 as a Postdoctoral Associate.

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