News
News
CMS measures rare particle decay with high precision
Using LHC Run 2 data, CMS has precisely measured the rare decay of strange B-mesons to muon-antimuon pairs. While its properties agree with Standard Model predictions, it may provide clues to new discoveries in Run 3
LHCb discovers three new exotic particles
The collaboration has observed a new kind of “pentaquark” and the first-ever pair of “tetraquarks”
ATLAS and CMS release results of most comprehensive studies yet of Higgs boson’s properties
The collaborations have used the largest samples of proton–proton collision data recorded so far by the experiments to study the unique particle in unprecedented detail
LHC Run 3: physics at record energy starts tomorrow
The Large Hadron Collider is ready to once again start delivering proton collisions to experiments, this time at an unprecedented energy of 13.6 TeV, marking the start of the accelerator’s third run of data taking for physics
Searching for matter–antimatter asymmetry with the Higgs boson
The ATLAS and CMS collaborations have searched for matter–antimatter asymmetry in the interaction between the Higgs boson and the tau lepton
CMS on the lookout for new physics
The CMS experiment awaits LHC Run 3 to explore several analyses showing small disagreements with theory expectations
CLOUD discovers new way by which aerosols rapidly form and grow at high altitude
The resultant particles quickly spread around the globe, potentially influencing Earth’s climate on an intercontinental scale
ALICE makes first direct observation of a fundamental effect in particle physics
The observation provides direct experimental access to the mass of an elementary particle known as the charm quark
CMS tries out the seesaw
The collaboration has put the seesaw model of neutrino mass to a new test
CMS measures the mass of the top quark with unparalleled accuracy
Precise knowledge of the top-quark mass is of paramount importance to understand our world at the smallest scale