Physicists Resolve Muon Anomaly, Reinforcing Standard Model
Physicists have resolved a long-standing discrepancy in the magnetic properties of the muon, a subatomic particle, which had suggested the existence of a fifth force. According to a new study published in Nature, the anomaly was due to a calculation error rather than new physics. The muon, a heavier cousin of the electron, has been a focus of study because its properties can test the limits of the Standard Model of particle physics. The study, led by Zoltan Fodor from Penn State University, used a new calculation method to show that the previously observed discrepancy was not indicative of a new interaction but could be explained by existing interactions within the Standard Model. 
