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News

AEgIS experiment paves the way for new set of antimatter studies by laser-cooling positronium

In cooling positronium with laser light for the first time, AEgIS may also have taken the first step towards a matter–antimatter system that emits laser-like gamma-ray light

News
Physics
22 February, 2024
At CERN
Announcement
22 February, 2024

Taxation in Switzerland

Memorandum concerning the internal tax annual certificate, the individual annual statement and income tax declaration forms in Switzerland for the reference year 2023

Official news
At CERN
22 February, 2024
At CERN
Official news
22 February, 2024

CERN’s accelerators gear up for action after the winter maintenance break

A new physics run is about to begin! The first particle beams should reach the Large Hadron Collider (LHC) on 11 March

News
Accelerators
22 February, 2024
Accelerators
News
22 February, 2024

Conditions of access to the fenced parts of the CERN site

Official news
At CERN
21 February, 2024
At CERN
Official news
21 February, 2024

Warning against fraudulent telephone calls

Official news
At CERN
21 February, 2024
At CERN
Official news
21 February, 2024

CMS collaboration explores how AI can be used to search for partner particles to the Higgs boson

This search uses computer vision techniques to look for collimated bursts of light, a potential signature of Higgs partner particles

News
Physics
21 February, 2024

Hearing the sound of quark–gluon plasma

The CMS collaboration has measured the speed of sound in the quark–gluon plasma more precisely than ever before, offering new insights into this extremely hot state of matter

News
Physics
16 February, 2024
Physics
News
16 February, 2024

Accelerator Report: The accelerator complex gears up for action after the yearly winter maintenance break

The first beams are already circulating in the Linac4 and PS Booster and should reach the LHC on 11 March. A new physics run is about to begin!

News
Accelerators
15 February, 2024
Accelerators
News
15 February, 2024

Happy hundredth Herwig!

Find out how CERN is celebrating the 100th birthday of former Director-General Herwig Schopper, and how you can be involved

News
At CERN
15 February, 2024
At CERN
News
15 February, 2024