ATLAS

ATLAS is one of two general-purpose detectors at the Large Hadron Collider (LHC). It investigates a wide range of physics, from the search for the Higgs boson to extra dimensions and particles that could make up dark matter. The articles below relate to the ATLAS experiment.

193 results

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

ATLAS observes top quarks in lead–lead collisions

The result opens a new window into the study of the quark–gluon plasma that is believed to have filled the Universe briefly after the Big Bang

News
Physics
15 November, 2024

Heavy-ion run at the LHC begins

For the next 17 days, every minute counts when it comes to taking lead–lead collision data

News
Experiments
06 November, 2024
Experiments
News
06 November, 2024

CERN70: The discovery of the Higgs boson, a giant leap for science

Fabiola Gianotti, CERN Director-General, was spokesperson of the ATLAS experiment at the Large Hadron Collider from 2009 to 2013 and responsible for announcing the discovery of the Higgs boson, alongside the CMS spokesperson

Feature
Physics
31 October, 2024

Decoding top quarks with precision

The ATLAS experiment at the LHC reveals how pairs of top quarks are produced along with other heavy quarks

News
Physics
16 October, 2024
Physics
News
16 October, 2024

ATLAS probes Higgs interaction with the heaviest quarks

With its updated analysis methods, the ATLAS collaboration has significantly improved the precision of its measurements of Higgs boson interactions

News
Physics
09 September, 2024

LHC experiments at CERN observe quantum entanglement at the highest energy yet

The results open up a new perspective on the complex world of quantum physics

Press release
Physics
18 September, 2024
Physics
Press release
18 September, 2024

ATLAS probes uncharted territory with LHC Run 3 data

The ATLAS collaboration has released its first results from searches for new physics phenomena conducted with data from Run 3 of the LHC

News
Physics
26 July, 2024

Accelerator Report: No summer holidays for the accelerator complex

CERN’s accelerators show very good availability rates: beams are in place

News
Accelerators
11 July, 2024

Accelerator Report: Technical stops always hold a few surprises

Restarting the entire accelerator complex after a technical stop is rarely seamless and often comes with unexpected technical challenges

News
Accelerators
27 June, 2024

ATLAS provides first measurement of the W-boson width at the LHC

The measurement is the most precise yet made by a single experiment

News
Physics
10 April, 2024

The delicate balance of lepton flavours

New ATLAS measurement of lepton flavour universality, a key feature of the Standard Model, in decays of the W boson is more precise than all previous measurements combined

News
Physics
26 March, 2024
Physics
News
26 March, 2024