ATLAS

139 results

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

The Higgs boson: Revealing nature’s secrets

Our third story in the LHC Physics at Ten series takes us on a deeper dive into the Higgs boson

Feature
Physics
04 July, 2020

Exploring new ways to see the Higgs boson

The ATLAS and CMS collaborations presented their latest results on new signatures for detecting the Higgs boson at CERN’s Large Hadron Collider

News
Physics
04 June, 2020

The Higgs boson: What makes it special?

Our second story in the LHC Physics at Ten series visits the LHC’s most important discovery so far

Feature
Physics
04 May, 2020
Physics
Feature
04 May, 2020

ATLAS probes dark matter using the Higgs boson

The Higgs boson plays a crucial role in the search for dark matter at the Large Hadron Collider

News
Physics
07 May, 2020

Searching for matter–antimatter asymmetry in the Higgs boson–top quark interaction

The ATLAS and CMS collaborations used the full LHC Run 2 dataset to obtain new insights into the interaction

News
Physics
29 April, 2020

Entering Uncharted Waters

The Large Hadron Collider began its physics programme on this day a decade ago

Feature
Accelerators
30 March, 2020
Accelerators
Feature
30 March, 2020