Muon g-2 Mystery: Standard Model Showdown or New Physics?

The 2021 Muon g-2 experiment at Fermilab revealed a significant discrepancy between the measured anomalous magnetic moment of the muon and the Standard Model prediction, hinting at new physics. However, a recent alternative Standard Model prediction suggests the Fermilab result is consistent with the Standard Model. This has sparked a heated debate in the particle physics community: does the Standard Model need revision, or have we discovered new physics? The next few years will be crucial, with the release of Fermilab's final Muon g-2 results and more precise calculations of strong interaction contributions offering a definitive answer—a landmark event in particle physics.