A detailed map of Higgs boson interactions by the ATLAS experiment ten years after the discovery

Nature, 2022‏ - nature.com
The standard model of particle physics,,–describes the known fundamental particles and
forces that make up our Universe, with the exception of gravity. One of the central features of …

Software and computing for Run 3 of the ATLAS experiment at the LHC

ATLAS collaboration - arxiv preprint arxiv:2404.06335, 2024‏ - arxiv.org
The ATLAS experiment has developed extensive software and distributed computing
systems for Run 3 of the LHC. These systems are described in detail, including software …

Observation of quantum entanglement with top quarks at the ATLAS detector

Atlas Collaboration - Nature, 2024‏ - pmc.ncbi.nlm.nih.gov
Entanglement is a key feature of quantum mechanics1–3, with applications in fields such as
metrology, cryptography, quantum information and quantum computation4–8. It has been …

Observation of four-top-quark production in the multilepton final state with the ATLAS detector

G Aad, B Abbott, K Abeling, NJ Abicht, SH Abidi… - The European Physical …, 2023‏ - Springer
This paper presents the observation of four-top-quark (tt¯ tt¯) production in proton-proton
collisions at the LHC. The analysis is performed using an integrated luminosity of 140 fb-1 at …

Measurement of the properties of Higgs boson production at = 13 TeV in the H → γγ channel using 139 fb−1 of pp collision data with the ATLAS experiment

G Aad, B Abbott, DC Abbott, K Abeling, SH Abidi… - Journal of High Energy …, 2023‏ - Springer
A bstract Measurements of Higgs boson production cross-sections are carried out in the
diphoton decay channel using 139 fb− 1 of pp collision data at\(\sqrt {s}\)= 13 TeV collected …

Measurement of the c-jet mistagging efficiency in  events using pp collision data at   collected with the ATLAS detector

G Aad, B Abbott, DC Abbott, AA Abud, K Abeling… - The European Physical …, 2022‏ - Springer
A technique is presented to measure the efficiency with which c-jets are mistagged as b-jets
(mistagging efficiency) using tt¯ events, where one of the W bosons decays into an electron …

Performance of the ATLAS muon triggers in Run 2

ATLAS collaboration - arxiv preprint arxiv:2004.13447, 2020‏ - arxiv.org
The performance of the ATLAS muon trigger system is evaluated with proton-proton ($ pp $)
and heavy-ion (HI) collision data collected in Run 2 during 2015-2018 at the Large Hadron …

Search for Higgs boson pair production in the two bottom quarks plus two photons final state in collisions at with the ATLAS detector

G Aad, B Abbott, DC Abbott, A Abed Abud, K Abeling… - Physical Review D, 2022‏ - APS
Searches are performed for nonresonant and resonant di-Higgs boson production in the bb¯
γ γ final state. The dataset used corresponds to an integrated luminosity of 139 fb-1 of proton …

Search for new phenomena in events with an energetic jet and missing transverse momentum in collisions at with the ATLAS detector

G Aad, B Abbott, DC Abbott, A Abed Abud, K Abeling… - Physical Review D, 2021‏ - APS
Results of a search for new physics in final states with an energetic jet and large missing
transverse momentum are reported. The search uses proton-proton collision data …

Search for resonant and non-resonant Higgs boson pair production in the decay channel using 13 TeV pp collision data from the ATLAS detector

G Aad, B Abbott, DC Abbott, A Abed Abud… - Journal of High Energy …, 2023‏ - Springer
A bstract A search for Higgs boson pair production in events with two b-jets and two τ-
leptons is presented, using a proton–proton collision dataset with an integrated luminosity of …