Köln 2025 – scientific programme

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HK: Fachverband Physik der Hadronen und Kerne

HK 47: Fundamental Symmetries I

HK 47.1: Group Report

Thursday, March 13, 2025, 14:30–15:00, SR 0.01 Erw. Physik

Latest update from the Muon g-2 experiment — •René Reimann and Martin Fertl for the Muon g--2 collaboration — Institute of Physics and Excellence Cluster PRISMA+, Johannes Gutenberg University Mainz, 55099 Mainz, Germany

The magnetic moment anomaly of the muon, that relates the cyclotron and spin precession frequency, provides one of the most stringent tests of the Standard Model of Particle Physics since it is measured and theoretically predicted to very high precision. The Fermilab Muon g-2 collaboration ended data taking in summer 2023 after reaching its design goal in terms of recorded statistics. The final result of the Fermilab Muon g-2 experiment will be a long-standing reference for theory calculations in the next decades. Analysis of the last three years of data is wrapping up and will improve the 200ppb uncertainty from measurement campaigns 1-3. In this talk we will update on the latest progress towards the final result of the muon g-2 experiment.

Keywords: Muon g-2; Magnetic Moment; Precision Physics; Muon Physics