CERN Physicists Pin Down W Boson Mass with Unprecedented Precision

Apr 13, 2026 - 12:45
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CERN Physicists Pin Down W Boson Mass with Unprecedented Precision
CMS candidate collision event for a W boson decaying into a muon (red line) and a neutrino that escapes detection (pink arrow). Image credit: CMS / CERN.

Using data from over one billion proton-colliding events collected at CERN’s Large Hadron Collider (LHC), physicists have measured the mass of the W boson with record accuracy.

The post CERN Physicists Pin Down W Boson Mass with Unprecedented Precision appeared first on Sci.News: Breaking Science News.

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