University of Minnesota
School of Physics & Astronomy

Physics and Astronomy Calendar

Wednesday, April 29th 2015
3:35 pm:
Speaker: Leslie Rosenberg, University of Washington
Subject: Searching for Dark-Matter Axions
Refreshments served in Room 216 Physics after colloquium

The axion is a hypothetical elementary particle whose existence would explain the baffling absence of CP violation in the strong interactions. Axions also happen to be a compelling dark-matter candidate. Even if dark-matter axions were to comprise the overwhelming majority of mass in the universe, they would be extraordinarily difficult to detect. However, several experiments, either under construction or taking data, would be sensitive to even the more pessimistically coupled axions. This talk describes the current state of these searches.

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