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Theory Seminar (High Energy/Cosmology)

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Future cosmology with CMB lensing and galaxy clustering
Date: Thursday, February 20th
Time: 4:00 pm
Place: 5280 Chamberlin
Speaker: Marcel Schmittfull, Institute for Advanced Study
Abstract: Next-generation Cosmic Microwave Background experiments such as the Simons Observatory, CMB-S4 and PICO aim to measure gravitational lensing of the Cosmic Microwave Background an order of magnitude better than current experiments. The lensing signal will be highly correlated with measurements of galaxy clustering from next-generation galaxy surveys such as LSST. This will help us understand whether cosmic inflation was driven by a single field or by multiple fields. It will also allow us to accurately measure the growth of structure as a function of time, which is a powerful probe of dark energy and the sum of neutrino masses. I will discuss the prospects for this, as well as recent progress on the theoretical modeling of galaxy clustering, which is key to realize the full potential of these anticipated datasets.
Host: Dan Chung
Presentation: Madison_talk_for_pdf.pdf
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