The long-awaited first results from the Muon g-2 experiment at the U.S. Department of Energy?s Fermi National Accelerator Laboratory show fundamental particles called muons behaving in a way that is not predicted by scientists? best theory, the Standard Model of particle physics. This landmark result, made with unprecedented precision, confirms a discrepancy that has been gnawing at researchers for decades. The strong evidence that muons deviate from the Standard Model calculation might hint at exciting new physics. Muons act as a window into the subatomic world and could be interacting with yet undiscovered particles or forces.
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