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March 10, 20224:00 pm – 5:00 pm (CDT)

The muon anomalous magnetic moment and the hunt for new physics


Thomas Blum (University of Connecticut)


Rainer Fries



Mitchell Institute for Fundamental Physics & Astronomy

College Station, Texas 77843

Event Details

I will start with a brief history of the muon and its magnetic moment and then give an overview of the on-going experiment at Fermilab (E989). Next I’ll turn to the Standard Model calculation, including the hadronic contributions which contribute the largest uncertainty. I will focus on the difference between data-driven dispersive methods and lattice QCD and how we are trying to resolve it. Time permitting, I will end with a brief discussion of possible new physics scenarios which might explain the roughly four standard deviation discrepancy between experiment and theory that has persisted for almost twenty years since the BNL (E821) measurement.

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