News

News

ATLAS closes in on rare Higgs decays

The ATLAS collaboration finds evidence of Higgs-boson decays to muons and improves sensitivity to Higgs-boson decays to a Z boson and a photon.

News
Physics
11 July, 2025
Physics
News
11 July, 2025

A century of quantum mechanics

On 9 July 1925, in a letter to Wolfgang Pauli, Werner Heisenberg revealed his new ideas, which were to revolutionise physics

News
Physics
09 July, 2025
Physics
News
09 July, 2025

The July/August 2025 issue of the CERN Courier is out

Announcement
Physics
09 July, 2025
Physics
Announcement
09 July, 2025

Elusive romance of top-quark pairs observed at the LHC 

The CMS and ATLAS experiments at CERN’s Large Hadron Collider have observed an unforeseen feature in the behaviour of top quarks that suggests that these heaviest of all elementary particles form a fleeting union

Press release
Physics
08 July, 2025
Physics
Press release
08 July, 2025

LHCb weighs up the Z

New measurement of the mass of the Z boson showcases the Large Hadron Collider’s growing role in precision physics

News
Physics
06 June, 2025
Physics
News
06 June, 2025

ALICE eyes the cosmos

New data from the ALICE experiment, collected when no particle beams were circulating in the LHC during pauses in Run 2, may contribute to solving a puzzle surrounding cosmic muons

News
Physics
02 June, 2025
Physics
News
02 June, 2025

Early-career researcher input for the European Strategy for Particle Physics

The organisers of the early-career researchers’ white paper for the European Strategy for Particle Physics coordinated a collective effort that provided input for the Strategy update

Announcement
Physics
22 May, 2025
Physics
Announcement
22 May, 2025

The May/June 2025 issue of the CERN Courier is out

Announcement
Physics
22 May, 2025
Physics
Announcement
22 May, 2025

AI enhances Higgs boson’s charm

The CMS collaboration presents a new search for the decay of a Higgs boson into charm quarks, bringing physicists closer to unravelling how this unique particle endows matter with mass

News
Physics
19 May, 2025
Physics
News
19 May, 2025

ALICE detects the conversion of lead into gold at the LHC

Near-miss collisions between high-energy lead nuclei at the LHC generate intense electromagnetic fields that can knock out protons and transform lead into fleeting quantities of gold nuclei

News
Physics
08 May, 2025