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Physics Colloquium: Chris Monahan (William & Mary University)

September 21 | 4:00 pm - 5:00 pm

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Searching for new physics with strong QCD

The Standard Model of Particle Physics, the mathematical framework that describes the basic building blocks of the visible Universe, has been enormously successful. But we know that it is incomplete: it doesn’t explain the origin of neutrino masses, for example, nor does it incorporate gravity. In fact, the Standard Model explains only 5% of the current energy density of the Universe! The Large Hadron Collider (LHC) has also been hugely successful – discovering the long-expected Higgs particle and greatly refining our knowledge of the Standard Model. But the LHC has been marked by the lack of direct experimental signatures of new fundamental particles. So where is all the new physics hiding? I will discuss the role that lattice quantum chromodynamics (QCD) plays in attempting to answer this question. In particular, I will highlight two areas in which lattice QCD can help us search for new physics, through precision tests of the Standard Model.

Host: Vladi Skokov



September 21

4:00 pm - 5:00 pm
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