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From Scientific American, March 25, 2021: Physicists have long wondered if muons, electrons and other leptons possess differences besides their mass; the latest LHCb result; Fermilab and the upcoming results of Muon g-2 test the standard model.
From Science, Jan. 27, 2021: Physicists await the Muon g-2 experiment’s results, which could come as early as this spring, to see whether they confirm that muons are slightly more magnetic than theory predicts. If so, it will signal new physics. Fermilab scientists discuss the experiment, as well as the secrecy required to blind themselves from affecting the results.
From Scientific American, Dec. 16, 2020: Researchers have made the most precise measurement of one of the fundamental constants, called the fine-structure constant. Now all eyes are on Fermilab, where the first results of the Muon g-2 experiment are expected to provide the most precise experimental measurement of the muon’s magnetic moment. Alex Keshavarzi, scientist on the Muon g-2 experiment, weighs in on the significance of the measurement.
From Bulgarisches Wirtschaftsblatt, Nov. 11, 2020: Während die Wissenschaftler im Fermi National Accelerator Laboratory des US-Energieministeriums auf die mit Spannung erwarteten ersten Ergebnisse des Muon g-2-Experiments warten, setzen die mitarbeitenden Wissenschaftler des Argonne National Laboratory des DOE weiterhin das einzigartige System ein, das das Magnetfeld im Experiment mit beispielloser Präzision abbildet.
In a collaborative project with Fermilab, Argonne scientists mapped the magnetic field inside a vacuum with unprecedented accuracy. Results will be used in an experiment to shed light on the Standard Model of particle physics.
For five years, a recycled MRI magnet has provided strong magnetic fields for cross-calibration and testing of equipment used in major physics experiments, including the Muon g-2 and Mu2e Fermilab experiments.
Here’s how physicists calculate g-2, the value that will determine whether the muon is giving us a sign of new physics.
From the Department of Energy, Aug. 11, 2020: Fermilab scientist Chris Polly shares his love of physics, the importance of muons, a short history of scientists’ quest to measure how the muon wobbles in a magnetic field, and his journey to becoming leader of the Muon g-2 experiment.
Cornell University postdoc David Sweigart has won the 2020 URA Thesis Award for his dissertation analyzing the first year’s data from Fermilab’s Muon g-2 experiment. His efforts in analyzing the anomalous precession frequency of the muon could help confirm or challenge the Standard Model of particle physics.
The discovery of the muon originally confounded physicists. Today international experiments are using the previously perplexing particle to gain a new understanding of our world.