ATLAS Collaboration: Search for new phenomena in final states with two leptons and one or no $b$-tagged jets at $\sqrt{s} = 13$ TeV using the ATLAS detector. Physical Review Letters 127, S. 141801 (2021)

ATLAS Collaboration: Search for lepton-flavor-violation in $Z$-boson decays with $τ$-leptons with the ATLAS detector. Physical Review Letters 127, S. 271801 (2021)

ATLAS Collaboration: Search for dark matter in events with missing transverse momentum and a Higgs boson decaying into two photons in $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector. Journal of High Energy Physics 10, S. 013 (2021)

ATLAS Collaboration: A search for the decays of stopped long-lived particles at $\sqrt{s}=13$ TeV with the ATLAS detector. Journal of High Energy Physics 07, S. 173 (2021)

ATLAS Collaboration: Measurements of the inclusive and differential production cross sections of a top-quark-antiquark pair in association with a $Z$ boson at $\sqrt{s} = 13$ TeV with the ATLAS detector. European Physical Journal C 81, S. 737 (2021)

ATLAS Collaboration: Search for supersymmetry in events with four or more charged leptons in $139\,\mbox{fb\(^{-1}\)}$ of $\sqrt{s}=13$ TeV $pp$ collisions with the ATLAS detector. Journal of High Energy Physics 07, S. 167 (2021)

ATLAS Collaboration: Measurements of $W^+W^-+\ge 1~$jet production cross-sections in $pp$ collisions at $\sqrt{s}=13~$TeV with the ATLAS detector. Journal of High Energy Physics 06, S. 003 (2021)

ATLAS Collaboration: Evidence for Higgs boson decays to a low-mass dilepton system and a photon in pp collisions at $\sqrt{s} =$ 13 TeV with the ATLAS detector. Physics Letters B 819, S. 136412 (2021)

ATLAS Collaboration: Search for bottom-squark pair production in $pp$ collision events at $\sqrt{s} = 13$ TeV with hadronically decaying $τ$-leptons, $b$-jets and missing transverse momentum using the ATLAS detector. Physical Review D 104, S. 032014 (2021)

ATLAS Collaboration: Search for charged Higgs bosons decaying into a top quark and a bottom quark at $\sqrt{s}$=13 TeV with the ATLAS detector. Journal of High Energy Physics 06, S. 145 (2021)

ATLAS Collaboration: Measurements of differential cross-sections in four-lepton events in 13 TeV proton-proton collisions with the ATLAS detector. Journal of High Energy Physics 07, S. 005 (2021)

ATLAS Collaboration: Performance of the ATLAS RPC detector and Level-1 muon barrel trigger at $\sqrt{s}=13$ TeV. Journal of Instrumentation 16, S. P07029 (2021)

ATLAS Collaboration: Search for resonances decaying into photon pairs in 139 fb$^{-1}$ of $pp$ collisions at $\sqrt{s} =$ 13 TeV with the ATLAS detector. Physics Letters B 822, S. 136651 (2021)

ATLAS Collaboration: Search for new phenomena in events with an energetic jet and missing transverse momentum in $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector. Physical Review D 103, S. 112006 (2021)

ATLAS Collaboration: Search for new phenomena in events with two opposite-charge leptons, jets and missing transverse momentum in $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector. Journal of High Energy Physics 04, S. 165 (2021)

ATLAS Collaboration: Search for new phenomena in final states with $b$-jets and missing transverse momentum in $\sqrt{s}=13$ TeV $pp$ collisions with the ATLAS detector. Journal of High Energy Physics 05, S. 093 (2021)

ATLAS Collaboration: Search for doubly and singly charged Higgs bosons decaying into vector bosons in multi-lepton final states with the ATLAS detector using proton-proton collisions at $\sqrt{s}$ = 13 TeV. Journal of High Energy Physics 06, S. 146 (2021)

ATLAS Collaboration: Search for pair production of third-generation scalar leptoquarks decaying into a top quark and a $τ$-lepton in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector. Journal of High Energy Physics 06, S. 179 (2021)

ATLAS Collaboration: Two-particle azimuthal correlations in photonuclear ultraperipheral Pb+Pb collisions at 5.02 TeV with ATLAS. Physical Review C 104, S. 014903 (2021)

ATLAS Collaboration: The ATLAS Fast TracKer System. Journal of Instrumentation 16, S. P07006 (2021)