Quantum Chromodynamics, the theory of quarks and gluons, whose interactions can be
described by a local SU (3) gauge symmetry with charges called “color quantum numbers” …

Jet substructure has emerged to play a central role at the Large Hadron Collider, where it
has provided numerous innovative ways to search for new physics and to probe the …

This article documents the muon reconstruction and identification efficiency obtained by the
ATLAS experiment for 139 fb^-1 fb-1 of pp collision data at s= 13 s= 13 TeV collected …

Jet energy scale and resolution measurements with their associated uncertainties are
reported for jets using 36–81 fb-1 of proton–proton collision data with a centre-of-mass …

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 …

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 …

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 …

Electron and photon performance measurements with the ATLAS detector using the 2015–2017
LHC proton-proton collision data Page 1 Journal of Instrumentation OPEN ACCESS Electron …

Electron and photon triggers covering transverse energies from 5 GeV GeV to several TeV
TeV are essential for the ATLAS experiment to record signals for a wide variety of physics …

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 …