ATLAS Collaboration: Search for phenomena beyond the Standard Model in events with large $b$-jet multiplicity using the ATLAS detector at the LHC. European Physical Journal C 81, p. 11 (2021)

ATLAS Collaboration: Search for heavy resonances decaying into a pair of $Z$ bosons in the $\ell^+\ell^-\ell'^+\ell'^-$ and $\ell^+\ell^-ν\barν$ final states using 139 fb$^{-1}$ of proton-proton collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector. European Physical Journal C 81, p. 332 (2021)

ATLAS Collaboration: Optimisation of large-radius jet reconstruction for the ATLAS detector in 13 TeV proton--proton collisions. European Physical Journal C 81, p. 334 (2021)

ATLAS Collaboration: Medium-induced modification of $Z$-tagged charged particle yields in Pb+Pb collisions at 5.02 TeV with the ATLAS detector. Physical Review Letters 126, p. 072301 (2021)

ATLAS Collaboration: Search for type-III seesaw heavy leptons in dilepton final states in $pp$ collisions at $\sqrt{s}$ = 13 TeV with the ATLAS detector. European Physical Journal C 81, p. 218 (2021)

ATLAS Collaboration: Measurement of light-by-light scattering and search for axion-like particles with 2.2 nb$^{-1}$ of Pb+Pb data with the ATLAS detector. Journal of High Energy Physics 03, p. 243 (2021)

ATLAS Collaboration: Measurement of the associated production of a Higgs boson decaying into $b$-quarks with a vector boson at high transverse momentum in $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector. Physics Letters B 816, p. 136204 (2021)

ATLAS Collaboration: A search for the dimuon decay of the Standard Model Higgs boson with the ATLAS detector. Physics Letters B 812, p. 135980 (2021)

ATLAS Collaboration: Measurements of $WH$ and $ZH$ production in the $H \rightarrow b\bar{b}$ decay channel in $pp$ collisions at 13 TeV with the ATLAS detector. European Physical Journal C 81, p. 178 (2021)

ATLAS Collaboration: Measurement of single top-quark production in association with a $W$ boson in the single-lepton channel at $\sqrt{s} = 8$ TeV with the ATLAS detector. European Physical Journal C 81, p. 720 (2021)

ATLAS Collaboration: Jet energy scale and resolution measured in proton-proton collisions at $\sqrt{s}=13$ TeV with the ATLAS detector. European Physical Journal C 81, p. 689 (2021)

ATLAS Collaboration: Differential cross-section measurements for the electroweak production of dijets in association with a $Z$ boson in proton-proton collisions at ATLAS. European Physical Journal C 81, p. 163 (2021)

ATLAS Collaboration: Measurements of top-quark pair single- and double-differential cross-sections in the all-hadronic channel in $pp$ collisions at $\sqrt{s}=13~\mbox{TeV}$ using the ATLAS detector. Journal of High Energy Physics 01, p. 033 (2021)

ATLAS Collaboration: Measurement of the $CP$-violating phase $ϕ_s$ in $B^0_s \to J/ψϕ$ decays in ATLAS at 13 TeV. European Physical Journal C 81, p. 342 (2021)

ATLAS Collaboration: Longitudinal flow decorrelations in Xe+Xe collisions at $\sqrt{s_{\mathrm{NN}}}=5.44$ TeV with the ATLAS detector. Physical Review Letters 126, p. 122301 (2021)

ATLAS collaboration: Search for dark matter produced in association with a Standard Model Higgs boson decaying into $b$-quarks using the full Run 2 dataset from the ATLAS detector. Journal of High Energy Physics 11, p. 209 (2021)

ATLAS Collaboration: Measurement of $b$-quark fragmentation properties in jets using the decay $B^{\pm} \to J/ψK^{\pm}$ in $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector. Journal of High Energy Physics 12, p. 131 (2021)

ATLAS Collaboration: Search for new phenomena in $pp$ collisions in final states with tau leptons, $b$-jets, and missing transverse momentum with the ATLAS detector. Physical Review D 104, p. 112005 (2021)

ATLAS Collaboration: Search for charginos and neutralinos in final states with two boosted hadronically decaying bosons and missing transverse momentum in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector. Physical Review D 104, p. 112010 (2021)

ATLAS Collaboration: Measurement of the production cross section of pairs of isolated photons in $pp$ collisions at 13 TeV with the ATLAS detector. Journal of High Energy Physics 11, p. 169 (2021)