Karlsruhe 2024 – scientific programme

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T: Fachverband Teilchenphysik

T 25: Invited Overview Talks 3

T 25.2: Invited Overview Talk

Tuesday, March 5, 2024, 12:15–12:45, Geb. 30.95: Audimax

The muon anomalous magnetic moment — •Christoph Lehner — University of Regensburg

The precise study of the Landé g-factor has lead to significant advances in our understanding of elementary particles ever since the first measurement by Stern and Gerlach for the electron.

Recently, the Fermilab E989 experiment has significantly improved upon the experimental precision of the muon's g-factor which offers an unprecedented view into the inner workings of elementary particle physics. Some challenges remain to match this experimental result with an equally precise theory value.

I will review the current status of both experiment and theory and will give an outlook on new developments to be expected in the coming years.

Keywords: Muon; g-2; standard model; anomalous magnetic moment