Particle Physics

August 2, 2025

Top-Quark Pairs Observed at the Large Hadron Collider (LHC)

The CMS and ATLAS experiments at CERN’s Large Hadron Collider (LHC) have observed an unforeseen feature in the behavior of Top Quarks that suggests that these heaviest of all elementary particles form a fleeting union. An unforeseen feature in proton-proton collisions previously observed by the CMS experiment at CERN’s Large Hadron Collider has now been confirmed by its sister experiment,...