# Physics Colloquium

## ""The muon anomalous magnetic moment — A precision test of the standard model""

#### Presented by Christoph Lehner, BNL

Tuesday, November 14, 2017, 3:30 pm — Large Seminar Room, Bldg. 510

The anomalous magnetic moment of the muon is one of the most precisely determined quantities in particle physics. It is currently known both experimentally and from theory to approximately 1/2 parts per million. Interestingly, there is an approximate 3—4 sigma tension between theory computation and the experimental value (BNL E821) which may hint at new physics beyond the standard model of particle physics. In this talk, I review the current status of a soon-expected improved experimental measurement (FNAL E989) and recent rapid progress in reducing the uncertainty of the standard model theory computation.

Hosted by: Robert Pisarski

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