3833 results

Accelerator Report: LHC protons outpacing the Easter tradition

The LHC has restarted and both beams have been circulating in the machine since 8 April, meaning that the start of the LHC beam commissioning during Easter is apparently not a constant of nature

News
Accelerators
16 April, 2025

Symmetry between up and down quarks is more broken than expected

Surprising results from the NA61/SHINE collaboration at CERN show that this so-called isospin asymmetry could point to gaps in physicists’ understanding of how quarks and gluons combine

News
Physics
28 March, 2025

A journey through CERN’s past in black and white

An exhibition of old black-and-white photos at Geneva’s Bains des Pâquis retraces some of CERN’s history

News
At CERN
16 April, 2025

Upcoming events

Check out this curated list of upcoming events for the CERN community

Announcement
At CERN
15 April, 2025
At CERN
Announcement
15 April, 2025

Hans Gutbrod (1942 – 2025)

Obituary
Physics
15 April, 2025
Physics
Obituary
15 April, 2025

Register now for the 2025 CERN Relay Race!

Announcement
At CERN
15 April, 2025
At CERN
Announcement
15 April, 2025

CMS finds unexpected excess of top quarks

Data from the CMS experiment at CERN’s Large Hadron Collider reveals an intriguing excess of top-quark pairs, hinting at the first observation of a composite particle with unique properties

News
Physics
03 April, 2025

ATLAS gets under the hood of the Higgs mechanism

The detection of longitudinally polarised W boson production at the Large Hadron Collider is an important step towards understanding how the primordial electroweak symmetry broke, giving rise to the masses of elementary particles

News
Physics
10 April, 2025

Computer Security: ThisIsAVeryGoodPassword

Let’s give up the complexity rules (letters, symbols, numbers) and go for long passwords, i.e. “passphrases”, instead. Long but easy to remember

News
Computing
10 April, 2025
Computing
News
10 April, 2025

CERN signs a joint Statement of Intent with Canada

The Statement of Intent between CERN and Canada concerns future planning for large research infrastructure facilities, and novel and advanced techniques and tools

News
At CERN
09 April, 2025

Password no longer needed to sign EDH documents from May 2025

Members of the personnel will be asked to type their CERN computer account username instead

Announcement
At CERN
15 April, 2025
At CERN
Announcement
15 April, 2025

Taxation in France

Memorandum concerning the internal tax annual certificate and individual annual statement for 2025 (for the 2025 declaration of 2024 income in France)

Official news
At CERN
15 April, 2025
At CERN
Official news
15 April, 2025