The CMS Collaboration reports new results on the never seen observation of the η meson decay […]
Since 2015, UFRGS is part of the project at the European Laboratory for Nuclear Research (CERN), […]
In a first for particle physics, the CMS collaboration has observed three J/ψ particles emerging from […]
CMS Physics Analysis Summary “Observation of τ lepton pair production in ultraperipheral nucleus-nucleus collisions” (link).