ATLAS

145 results

ATLAS searches for pairs of Higgs bosons in a rare particle decay

The ATLAS search achieves the world’s best constraints on the size of the Higgs boson’s self-coupling, creating a portal of better understanding into the fundamental Higgs mechanism

News
Physics
30 March, 2021

Aligning the ATLAS muon spectrometer

In new results, ATLAS physicists describe novel techniques used to accurately align the muon spectrometer

News
Experiments
23 March, 2021
Experiments
News
23 March, 2021

ATLAS recognises the accomplishments of its collaboration members

The 2020 ATLAS Outstanding Achievement Awards and Thesis Awards were presented on 11 February

News
Experiments
01 March, 2021

ATLAS: Now under new management

The ATLAS collaboration welcomes new management this month, with Andreas Hoecker (CERN) taking the lead as Spokesperson for the experiment

News
Experiments
02 March, 2021
Experiments
News
02 March, 2021

59 new hadrons and counting

Over the past 10 years, the LHC has found more than 50 new particles called hadrons

News
Physics
03 March, 2021
Physics
News
03 March, 2021

ATLAS finds evidence of a rare Higgs boson decay

The ATLAS experiment at CERN finds evidence of a rare Higgs boson Dalitz decay to two leptons and a photon

News
Physics
08 February, 2021

ATLAS releases open software used to filter LHC collisions

The new collection of 200 additional software packages make most ATLAS software open and reinforces ATLAS’s commitment to open science

News
Computing
20 November, 2020

ATLAS sets new limits on exotic types of long-lived particles

The result surpasses previous best mass limits achieved with CERN’s predecessor collider to the LHC

News
Physics
29 October, 2020

Keeping the ATLAS Inner Detector in perfect alignment

The ATLAS Inner Detector can measure the position of charged particles that pass through it to better than a 100th of a millimetre! To reach that precision, the detector must be aligned to equal or better accuracy

News
Experiments
30 September, 2020
Experiments
News
30 September, 2020

Rare phenomenon observed by ATLAS features the LHC as a high-energy photon collider

The ATLAS experiment reports the observation of photon collisions producing weak-force carriers and provides further insights into their interactions

News
Physics
05 August, 2020

CERN experiments announce first indications of a rare Higgs boson process

The ATLAS and CMS experiments at CERN have announced new results which show that the Higgs boson decays into two muons

Press release
Physics
03 August, 2020
Physics
Press release
03 August, 2020

ATLAS result addresses long-standing tension in the Standard Model

A new ATLAS measurement of a key feature of the Standard Model known as lepton flavour universality suggests that a previous discrepancy measured by the LEP collider in W boson decays may be due to a fluctuation

News
Physics
29 July, 2020