CERN's Large Hadron Collider's CMS experiment measured the W boson mass with unprecedented precision.
CERN's Large Hadron Collider's CMS experiment has achieved the most precise measurement of the W boson mass to date, finding it to be 80,360.2 ± 9.9 MeV. This result aligns with the Standard Model of particle physics and confirms previous measurements, except for an anomaly reported by the CDF experiment. The findings are crucial for understanding fundamental forces and testing the Standard Model, with implications for future physics research.
September 17, 2024
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