High Energy Physics Seminars
Join Zoom Meeting:
Meeting ID: 922 8790 9487
Wednesday, April 28, 2021
Online, Room via Zoom
Note special room.
Manolis Kargiantoulakis , Fermilab
[Host: Craig Group and Dinko Pocanic]
The Muon g − 2 Experiment at Fermilab has measured the anomalous magnetic moment of the muon to 460 parts-per-billion, based on data collected during the first physics run in 2018. The experiment determines the anomalous precession frequency of the muon spin inside the highly uniform and precisely measured magnetic field of our storage ring. Our result is in excellent consistency with (and slightly more precise than) the BNL measurement of the same quantity from two decades ago. The combination of the experimental measurements increases the tension with the Standard Model prediction, enhancing the significance of the discrepancy to 4.2σ. In this seminar we will present the challenging experimental measurement and discuss the status of the discrepancy.
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