News
News
CMS strengthens the case for toponium
A new independent measurement by the CMS experiment at the LHC is consistent with the existence of the most massive composite particle ever observed, the momentary union of a top quark and its antiquark
BASE experiment at CERN succeeds in transporting antimatter
The experiment successfully transported a trap filled with antiprotons across CERN’s main site, a remarkable first step towards delivering antimatter to other European laboratories
Upcoming events
Check out this curated list of upcoming events for the CERN community
ALICE sees new sign of primordial plasma in proton collisions
The ALICE Collaboration takes a step further in addressing the question of whether a quark–gluon plasma can be formed in proton–proton and proton–nucleus collisions
ATLAS sets strong limits on supersymmetry
Using machine-learning techniques, the ATLAS Collaboration has searched deep for signs of particles that could help answer some of the greatest mysteries of physics
LHCb Collaboration discovers new proton-like particle
Composed of two charm quarks and one down quark, the doubly charmed particle is four times heavier than a proton
Accelerator Report: The 2026 run will be short but intense
Every day counts, so the LHC operations teams have mapped out a precise sequence of running phases to maximise the physics output during the machine’s final months
Cutting emissions, powering science
Discover CERN’s new F-gas e-learning and practical guidance webpages