628 results

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

A new piece in the matter–antimatter puzzle

The LHCb experiment at CERN has revealed a fundamental asymmetry in the behaviour of particles called baryons

Press release
Physics
25 March, 2025
Physics
Press release
25 March, 2025

European Strategy for Particle Physics: Open Symposium in Venice

Registration is now open for the Open Symposium in Venice from 23 to 27 June 2025

Announcement
Physics
13 February, 2025
Physics
Announcement
13 February, 2025

A bestiary of exotic hadrons

The LHC is engaged in a complex quest to understand the exotic offspring of one of the fundamental forces of nature

News
Physics
20 February, 2025
Physics
News
20 February, 2025

Observing triplets of weak bosons

ATLAS reports the first observation of a Z boson accompanied by two other carriers of the weak force

News
Physics
19 February, 2025
Physics
News
19 February, 2025

The other 99%

Near-miss collisions at the Large Hadron Collider are shedding light on the dynamics of gluons, which contribute 99% to the mass of protons and neutrons

News
Physics
05 February, 2025
Physics
News
05 February, 2025

Clocking nature’s heaviest elementary particle

The CMS collaboration has tested whether top quarks play by Einstein’s rules all day and all night

News
Physics
23 January, 2025

The measurement of a lifetime

New ATLAS measurement of the lifetime of the electrically neutral beauty meson is the most precise to date

News
Physics
19 December, 2024
Physics
News
19 December, 2024

A tale of two Higgs: CMS searches for the production of Higgs boson pairs

Using data from Run 2 of the LHC, the experiment has combined a comprehensive set of searches for di-Higgs production, a phenomenon that could provide physicists with clues to the stability of the Universe

News
Physics
11 December, 2024