Alexander Ekman

Searches for New Physics Using Innovative Data Acquisition, Analysis, and Compression Techniques

Alexander Ekman
(2024)
Dissertation

Search for the decay of the Higgs boson to a Z boson and a light pseudoscalar particle decaying to two photons

G. Aad, T.P.A. Åkesson, C. Doglioni, P.A. Ekman, V. Hedberg, et al.
(2024) Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 850
Journal article

Electron and photon energy calibration with the ATLAS detector using LHC Run 2 data

G Aad, Torsten Åkesson, Caterina Doglioni, Alexander Ekman, Vincent Hedberg, et al.
(2024) Journal of Instrumentation, 19
Journal article

Probing the CP nature of the top–Higgs Yukawa coupling in tt¯H and tH events with H→bb¯ decays using the ATLAS detector at the LHC

G. Aad, T.P.A. Åkesson, E.E. Corrigan, C. Doglioni, P.A. Ekman, et al.
(2024) Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 849
Journal article

Measurement of the Centrality Dependence of the Dijet Yield in Formula Presented Collisions at Formula Presented with the ATLAS Detector

G. Aad, T.P.A. Åkesson, C. Doglioni, P.A. Ekman, V. Hedberg, et al.
(2024) Physical Review Letters, 132
Journal article

Measurement of the production cross-section of J/ψ and ψ(2S) mesons in pp collisions at s=13 TeV with the ATLAS detector

G. Aad, T.P.A. Åkesson, C. Doglioni, P.A. Ekman, V. Hedberg, et al.
(2024) European Physical Journal C, 84
Journal article

Software Performance of the ATLAS Track Reconstruction for LHC Run 3

G. Aad, T.P.A. Åkesson, C. Doglioni, P.A. Ekman, V. Hedberg, et al.
(2024) Computing and Software for Big Science, 8
Journal article

Study of High-Transverse-Momentum Higgs Boson Production in Association with a Vector Boson in the qqbb Final State with the ATLAS Detector

G. Aad, T.P.A. Åkesson, C. Doglioni, Alexander Ekman, V. Hedberg, et al.
(2024) Physical Review Letters, 132
Journal article

Search for non-resonant Higgs boson pair production in the 2b+2ℓ+ETmiss final state in pp collisions at s = 13 TeV with the ATLAS detector

G. Aad, T.P.A. Åkesson, C. Doglioni, P.A. Ekman, V. Hedberg, et al.
(2024) Journal of High Energy Physics, 2024
Journal article

Search for top-philic heavy resonances in pp collisions at s=13 TeV with the ATLAS detector

G. Aad, T.P.A. Åkesson, C. Doglioni, P.A. Ekman, V. Hedberg, et al.
(2024) European Physical Journal C, 84
Journal article

Search for a CP-odd Higgs boson decaying into a heavy CP-even Higgs boson and a Z boson in the ℓ+ℓ−tt¯ and νν¯bb¯ final states using 140 fb−1 of data collected with the ATLAS detector

G. Aad, T.P.A. Åkesson, C. Doglioni, P.A. Ekman, V. Hedberg, et al.
(2024) Journal of High Energy Physics, 2024
Journal article

Measurement of the Z boson invisible width at s=13 TeV with the ATLAS detector

G. Aad, T.P.A. Åkesson, C. Doglioni, P.A. Ekman, V. Hedberg, et al.
(2024) Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 854
Journal article

Azimuthal Angle Correlations of Muons Produced via Heavy-Flavor Decays in 5.02 TeV Pb+Pb and pp Collisions with the ATLAS Detector

G Aad, T.P.A. Åkesson, C. Doglioni, P.A. Ekman, V. Hedberg, et al.
(2024) Physical Review Letters, 132
Journal article

Measurement of ZZ production cross-sections in the four-lepton final state in pp collisions at s=13.6TeV with the ATLAS experiment

G. Aad, T.P.A. Åkesson, C. Doglioni, P.A. Ekman, V. Hedberg, et al.
(2024) Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 855
Journal article

Study of Z→llγ decays at s = 8 TeV with the ATLAS detector

G. Aad, T.P.A. Åkesson, E.E. Corrigan, C. Doglioni, P.A. Ekman, et al.
(2024) European Physical Journal C, 84
Journal article

Search for Nearly Mass-Degenerate Higgsinos Using Low-Momentum Mildly Displaced Tracks in pp Collisions at sqrt[s]=13 TeV with the ATLAS Detector

G. Aad, T.P.A. Åkesson, K.S.V. Astrand, C. Doglioni, P.A. Ekman, et al.
(2024) Physical Review Letters, 132
Journal article

Combination of Searches for Resonant Higgs Boson Pair Production Using pp Collisions at sqrt[s]=13 TeV with the ATLAS Detector

G. Aad, T.P.A. Åkesson, C. Doglioni, P.A. Ekman, V. Hedberg, et al.
(2024) Physical Review Letters, 132
Journal article

Searches for exclusive Higgs boson decays into D⁎γ and Z boson decays into D0γ and Ks0γ in pp collisions at s=13TeV with the ATLAS detector

G. Aad, T.P.A. Åkesson, K.S.V. Astrand, C. Doglioni, P.A. Ekman, et al.
(2024) Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 855
Journal article

Search for pair production of higgsinos in events with two Higgs bosons and missing transverse momentum in Formula Presented Formula Presented collisions at the ATLAS experiment

G Aad, T.P.A. Åkesson, C. Doglioni, P.A. Ekman, V. Hedberg, et al.
(2024) Physical Review D, 109
Journal article

Search for pair-production of vector-like quarks in lepton+jets final states containing at least one b-tagged jet using the Run 2 data from the ATLAS experiment

G. Aad, T.P.A. Åkesson, C. Doglioni, P.A. Ekman, V. Hedberg, et al.
(2024) Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 854
Journal article

Search for singly produced vectorlike top partners in multilepton final states with Formula Presented of Formula Presented collision data at Formula Presented with the ATLAS detector

G Aad, T.P.A. Åkesson, C. Doglioni, P.A. Ekman, V. Hedberg, et al.
(2024) Physical Review D, 109
Journal article

Combination of searches for pair-produced leptoquarks at s=13 TeV with the ATLAS detector

G. Aad, T.P.A. Åkesson, C. Doglioni, P.A. Ekman, V. Hedberg, et al.
(2024) Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 854
Journal article

The ATLAS experiment at the CERN Large Hadron Collider: a description of the detector configuration for Run 3

G Aad, T.P.A. Åkesson, E.E. Corrigan, C. Doglioni, P.A. Ekman, et al.
(2024) Journal of Instrumentation, 19
Journal article

Search for charged-lepton-flavor violating Formula Presented interactions in top-quark production and decay in Formula Presented collisions at Formula Presented with the ATLAS detector at the LHC

G Aad, T.P.A. Åkesson, K.S.V. Astrand, C. Doglioni, P.A. Ekman, et al.
(2024) Physical Review D, 110
Journal article

Statistical Combination of ATLAS Run 2 Searches for Charginos and Neutralinos at the LHC

G. Aad, T.P.A. Åkesson, C. Doglioni, P.A. Ekman, V. Hedberg, et al.
(2024) Physical Review Letters, 133
Journal article

Search for flavour-changing neutral-current couplings between the top quark and the Higgs boson in multi-lepton final states in 13 TeV pp collisions with the ATLAS detector

G. Aad, T.P.A. Åkesson, K.S.V. Astrand, C. Doglioni, P.A. Ekman, et al.
(2024) European Physical Journal C, 84
Journal article

Observation of electroweak production of W+W− in association with jets in proton-proton collisions at s = 13 TeV with the ATLAS detector

G. Aad, T.P.A. Åkesson, C. Doglioni, P.A. Ekman, V. Hedberg, et al.
(2024) Journal of High Energy Physics, 2024
Journal article

A search for top-squark pair production, in final states containing a top quark, a charm quark and missing transverse momentum, using the 139 fb−1 of pp collision data collected by the ATLAS detector

G. Aad, T.P.A. Åkesson, C. Doglioni, P.A. Ekman, V. Hedberg, et al.
(2024) Journal of High Energy Physics, 2024
Journal article

Combination of Measurements of the Top Quark Mass from Data Collected by the ATLAS and CMS Experiments at √=7 and 8 TeV

A. Hayrapetyan, T.P.A. Åkesson, C. Doglioni, P.A. Ekman, V. Hedberg, et al.
(2024) Physical Review Letters, 132
Journal article

Search for short- and long-lived axion-like particles in H→aa→4γ decays with the ATLAS experiment at the LHC

G. Aad, T.P.A. Åkesson, C. Doglioni, P.A. Ekman, V. Hedberg, et al.
(2024) European Physical Journal C, 84
Journal article

Inclusive and differential cross-section measurements of tt¯Z production in pp collisions at s = 13 TeV with the ATLAS detector, including EFT and spin-correlation interpretations

G. Aad, T.P.A. Åkesson, C. Doglioni, P.A. Ekman, V. Hedberg, et al.
(2024) Journal of High Energy Physics, 2024
Journal article

Measurement of jet substructure in boosted Formula Presented events with the ATLAS detector using Formula Presented of 13 TeV Formula Presented collisions

G Aad, T.P.A. Åkesson, C. Doglioni, P.A. Ekman, V. Hedberg, et al.
(2024) Physical Review D, 109
Journal article

Performance of the ATLAS forward proton Time-of-Flight detector in Run 2

G Aad, T.P.A. Åkesson, C. Doglioni, P.A. Ekman, V. Hedberg, et al.
(2024) Journal of Instrumentation, 19
Journal article

The ATLAS trigger system for LHC Run 3 and trigger performance in 2022

G. Aad, T.P.A. Åkesson, C. Doglioni, Alexander Ekman, V. Hedberg, et al.
(2024) Journal of Instrumentation, 19
Journal article

Search for new particles in final states with a boosted top quark and missing transverse momentum in proton-proton collisions at s = 13 TeV with the ATLAS detector

G. Aad, T.P.A. Åkesson, C. Doglioni, P.A. Ekman, V. Hedberg, et al.
(2024) Journal of High Energy Physics, 2024
Journal article

Search for pair-produced higgsinos decaying via Higgs or Z bosons to final states containing a pair of photons and a pair of b-jets with the ATLAS detector

G. Aad, T.P.A. Åkesson, C. Doglioni, P.A. Ekman, V. Hedberg, et al.
(2024) Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 856
Journal article

Combination of searches for Higgs boson decays into a photon and a massless dark photon using pp collisions at s= 13 TeV with the ATLAS detector

G. Aad, T.P.A. Åkesson, K.S.V. Astrand, C. Doglioni, P.A. Ekman, et al.
(2024) Journal of High Energy Physics, 2024
Journal article

Search for non-resonant Higgs boson pair production in final states with leptons, taus, and photons in pp collisions at s = 13 TeV with the ATLAS detector

G. Aad, T.P.A. Åkesson, K.S.V. Astrand, C. Doglioni, P.A. Ekman, et al.
(2024) Journal of High Energy Physics, 2024
Journal article

Search for the nonresonant production of Higgs boson pairs via gluon fusion and vector-boson fusion in the Formula Presented final state in proton-proton collisions at Formula Presented with the ATLAS detector

G Aad, T.P.A. Åkesson, C. Doglioni, P.A. Ekman, V. Hedberg, et al.
(2024) Physical Review D, 110
Journal article

Search for low-mass resonances decaying into two jets and produced in association with a photon or a jet at Formula Presented with the ATLAS detector

G Aad, T.P.A. Åkesson, K.S.V. Astrand, C. Doglioni, P.A. Ekman, et al.
(2024) Physical Review D, 110
Journal article

Search for heavy resonances decaying into a Z or W boson and a Higgs boson in final states with leptons and b-jets in 139 fb−1 of pp collisions at √s = 13 TeV with the ATLAS detector

G. Aad, T.P.A. Åkesson, E.E. Corrigan, C. Doglioni, P.A. Ekman, et al.
(2023) Journal of High Energy Physics, 2023
Journal article

Measurement of the nuclear modification factor of b-jets in 5.02 TeV Pb+Pb collisions with the ATLAS detector

G. Aad, T.P.A. Åkesson, E.E. Corrigan, C. Doglioni, P.A. Ekman, et al.
(2023) European Physical Journal C, 83
Journal article

Measurement of exclusive pion pair production in proton–proton collisions at √s=7TeV with the ATLAS detector

G. Aad, T.P.A. Åkesson, E.E. Corrigan, C. Doglioni, P.A. Ekman, et al.
(2023) European Physical Journal C, 83
Journal article

Charged-hadron production in pp, p+Pb, Pb+Pb, and Xe+Xe collisions at √sNN = 5 TeV with the ATLAS detector at the LHC

G. Aad, T.P.A. Åkesson, C. Doglioni, P.A. Ekman, V. Hedberg, et al.
(2023) Journal of High Energy Physics, 2023
Journal article

Measurement of single top-quark production in the s-channel in proton–proton collisions at √s = 13 TeV with the ATLAS detector

G. Aad, T.P.A. Åkesson, E.E. Corrigan, C. Doglioni, P.A. Ekman, et al.
(2023) Journal of High Energy Physics, 2023
Journal article

Exclusive dielectron production in ultraperipheral Pb+Pb collisions at √sNN = 5.02 TeV with ATLAS

G. Aad, T.P.A. Åkesson, E.E. Corrigan, C. Doglioni, P.A. Ekman, et al.
(2023) Journal of High Energy Physics, 2023
Journal article

Measurement of electroweak Z(νν¯) γjj production and limits on anomalous quartic gauge couplings in pp collisions at √s = 13 TeV with the ATLAS detector

G. Aad, T.P.A. Åkesson, E.E. Corrigan, C. Doglioni, P.A. Ekman, et al.
(2023) Journal of High Energy Physics, 2023
Journal article

Search for Higgs boson pair production in association with a vector boson in pp collisions at √s=13TeV with the ATLAS detector

G. Aad, T.P.A. Åkesson, E.E. Corrigan, C. Doglioni, P.A. Ekman, et al.
(2023) European Physical Journal C, 83
Journal article

Search for flavour-changing neutral current interactions of the top quark and the Higgs boson in events with a pair of τ-leptons in pp collisions at √s = 13 TeV with the ATLAS detector

G. Aad, T.P.A. Åkesson, E.E. Corrigan, C. Doglioni, P.A. Ekman, et al.
(2023) Journal of High Energy Physics, 2023
Journal article

Constraints on spin-0 dark matter mediators and invisible Higgs decays using ATLAS 13 TeV pp collision data with two top quarks and missing transverse momentum in the final state

G. Aad, T.P.A. Åkesson, E.E. Corrigan, C. Doglioni, P.A. Ekman, et al.
(2023) European Physical Journal C, 83
Journal article

Measurement of the tt¯ production cross-section in pp collisions at √s = 5.02 TeV with the ATLAS detector

G. Aad, T.P.A. Åkesson, E.E. Corrigan, C. Doglioni, P.A. Ekman, et al.
(2023) Journal of High Energy Physics, 2023
Journal article

Measurement of the total cross section and ρ -parameter from elastic scattering in pp collisions at √s=13 TeV with the ATLAS detector

G. Aad, T.P.A. Åkesson, E.E. Corrigan, C. Doglioni, P.A. Ekman, et al.
(2023) European Physical Journal C, 83
Journal article

Search for dark matter produced in association with a dark Higgs boson decaying into W+ W− in the one-lepton final state at √s = 13 TeV using 139 fb −1 of pp collisions recorded with the ATLAS detector

G. Aad, T.P.A. Åkesson, E.E. Corrigan, C. Doglioni, P.A. Ekman, et al.
(2023) Journal of High Energy Physics, 2023
Journal article

Search for dark photons from Higgs boson decays via ZH production with a photon plus missing transverse momentum signature from pp collisions at √s = 13 TeV with the ATLAS detector

G. Aad, T.P.A. Åkesson, E.E. Corrigan, C. Doglioni, P.A. Ekman, et al.
(2023) Journal of High Energy Physics, 2023
Journal article

Search for leptonic charge asymmetry in tt¯ W production in final states with three leptons at √s = 13 TeV

G. Aad, T.P.A. Åkesson, E.E. Corrigan, C. Doglioni, P.A. Ekman, et al.
(2023) Journal of High Energy Physics, 2023
Journal article

Determination of the strong coupling constant from transverse energy-energy correlations in multijet events at √s = 13 TeV with the ATLAS detector

G. Aad, T.P.A. Åkesson, C. Doglioni, P.A. Ekman, V. Hedberg, et al.
(2023) Journal of High Energy Physics, 2023
Journal article

Measurements of Zγ+jets differential cross sections in pp collisions at √s = 13 TeV with the ATLAS detector

G. Aad, T.P.A. Åkesson, E.E. Corrigan, C. Doglioni, P.A. Ekman, et al.
(2023) Journal of High Energy Physics, 2023
Journal article

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

G. Aad, T.P.A. Åkesson, E.E. Corrigan, C. Doglioni, P.A. Ekman, et al.
(2023) Journal of High Energy Physics, 2023
Journal article

Inclusive-photon production and its dependence on photon isolation in pp collisions at √s = 13 TeV using 139 fb −1 of ATLAS data

G. Aad, T.P.A. Åkesson, C. Doglioni, P.A. Ekman, V. Hedberg, et al.
(2023) Journal of High Energy Physics, 2023
Journal article

Search for boosted diphoton resonances in the 10 to 70 GeV mass range using 138 fb −1 of 13 TeV pp collisions with the ATLAS detector

G. Aad, T.P.A. Åkesson, E.E. Corrigan, C. Doglioni, P.A. Ekman, et al.
(2023) Journal of High Energy Physics, 2023
Journal article

Search for excited τ-leptons and leptoquarks in the final state with τ-leptons and jets in pp collisions at √s = 13 TeV with the ATLAS detector

G. Aad, T.P.A. Åkesson, C. Doglioni, P.A. Ekman, V. Hedberg, et al.
(2023) Journal of High Energy Physics, 2023
Journal article

Search for a new Z′ gauge boson in 4μ events with the ATLAS experiment

G. Aad, T.P.A. Åkesson, E.E. Corrigan, C. Doglioni, P.A. Ekman, et al.
(2023) Journal of High Energy Physics, 2023
Journal article

Inclusive and differential cross-sections for dilepton tt¯ production measured in √s = 13 TeV pp collisions with the ATLAS detector

G. Aad, T.P.A. Åkesson, E.E. Corrigan, C. Doglioni, P.A. Ekman, et al.
(2023) Journal of High Energy Physics, 2023
Journal article

Search for direct pair production of sleptons and charginos decaying to two leptons and neutralinos with mass splittings near the W-boson mass in √s = 13 TeV pp collisions with the ATLAS detector

G. Aad, T.P.A. Åkesson, E.E. Corrigan, C. Doglioni, P.A. Ekman, et al.
(2023) Journal of High Energy Physics, 2023
Journal article

Cross-section measurements for the production of a Z boson in association with high-transverse-momentum jets in pp collisions at √s = 13 TeV with the ATLAS detector

G. Aad, T.P.A. Åkesson, E.E. Corrigan, C. Doglioni, P.A. Ekman, et al.
(2023) Journal of High Energy Physics, 2023
Journal article

A search for new resonances in multiple final states with a high transverse momentum Z boson in √s = 13 TeV pp collisions with the ATLAS detector

G. Aad, T.P.A. Åkesson, E.E. Corrigan, C. Doglioni, P.A. Ekman, et al.
(2023) Journal of High Energy Physics, 2023
Journal article

Search for tt¯ H/ A→ tt¯ tt¯ production in the multilepton final state in proton–proton collisions at √s = 13 TeV with the ATLAS detector

G. Aad, T.P.A. Åkesson, E.E. Corrigan, C. Doglioni, P.A. Ekman, et al.
(2023) Journal of High Energy Physics, 2023
Journal article

ATLAS flavour-tagging algorithms for the LHC Run 2 pp collision dataset

G. Aad, T.P.A. Åkesson, E.E. Corrigan, C. Doglioni, P.A. Ekman, et al.
(2023) European Physical Journal C, 83
Journal article

Measurements of W+W- production in decay topologies inspired by searches for electroweak supersymmetry

G. Aad, T.P.A. Åkesson, E.E. Corrigan, C. Doglioni, P.A. Ekman, et al.
(2023) European Physical Journal C, 83
Journal article

Measurement of the polarisation of W bosons produced in top-quark decays using dilepton events at s=13 TeV with the ATLAS experiment

G. Aad, T.P.A. Åkesson, E.E. Corrigan, C. Doglioni, P.A. Ekman, et al.
(2023) Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 843
Journal article

Observation of gauge boson joint-polarisation states in W±Z production from pp collisions at s=13 TeV with the ATLAS detector

G. Aad, T.P.A. Åkesson, E.E. Corrigan, C. Doglioni, P.A. Ekman, et al.
(2023) Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 843
Journal article

Search for an axion-like particle with forward proton scattering in association with photon pairs at ATLAS

G. Aad, T.P.A. Åkesson, C. Doglioni, P.A. Ekman, V. Hedberg, et al.
(2023) Journal of High Energy Physics, 2023
Journal article

Search for pair-produced vector-like top and bottom partners in events with large missing transverse momentum in pp collisions with the ATLAS detector

G. Aad, T.P.A. Åkesson, E.E. Corrigan, C. Doglioni, P.A. Ekman, et al.
(2023) European Physical Journal C, 83
Journal article

Search for pair-produced scalar and vector leptoquarks decaying into third-generation quarks and first- or second-generation leptons in pp collisions with the ATLAS detector

G. Aad, T.P.A. Åkesson, E.E. Corrigan, C. Doglioni, P.A. Ekman, et al.
(2023) Journal of High Energy Physics, 2023
Journal article

Evidence for the charge asymmetry in (Formula presented.) production at √s = 13 TeV with the ATLAS detector

G. Aad, T.P.A. Åkesson, E.E. Corrigan, C. Doglioni, P.A. Ekman, et al.
(2023) Journal of High Energy Physics, 2023
Journal article

Test of CP Invariance in Higgs Boson Vector-Boson-Fusion Production Using the H→γγ Channel with the ATLAS Detector

G. Aad, T.P.A. Åkesson, E.E. Corrigan, C. Doglioni, P.A. Ekman, et al.
(2023) Physical Review Letters, 131
Journal article

Measurement of the charge asymmetry in top-quark pair production in association with a photon with the ATLAS experiment

G. Aad, T.P.A. Åkesson, E.E. Corrigan, C. Doglioni, P.A. Ekman, et al.
(2023) Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 843
Journal article

Searches for exclusive Higgs and Z boson decays into a vector quarkonium state and a photon using 139 fb - 1 of ATLAS √s=13 TeV proton–proton collision data

G. Aad, T.P.A. Åkesson, E.E. Corrigan, C. Doglioni, P.A. Ekman, et al.
(2023) European Physical Journal C, 83
Journal article

Search for long-lived, massive particles in events with displaced vertices and multiple jets in pp collisions at √s = 13 TeV with the ATLAS detector

G. Aad, T.P.A. Åkesson, E.E. Corrigan, C. Doglioni, P.A. Ekman, et al.
(2023) Journal of High Energy Physics, 2023
Journal article

Search for resonant WZ production in the fully leptonic final state in proton–proton collisions at √s=13 TeV with the ATLAS detector

G. Aad, T.P.A. Åkesson, E.E. Corrigan, C. Doglioni, P.A. Ekman, et al.
(2023) European Physical Journal C, 83
Journal article

Measurement of substructure-dependent jet suppression in Pb+Pb collisions at 5.02 TeV with the ATLAS detector

G. Aad, T.P.A. Åkesson, E.E. Corrigan, C. Doglioni, P.A. Ekman, et al.
(2023) Physical Review C, 107
Journal article

Searches for lepton-flavour-violating decays of the Higgs boson into eτ and μτ in √s = 13 TeV pp collisions with the ATLAS detector

G. Aad, T.P.A. Åkesson, E.E. Corrigan, C. Doglioni, P.A. Ekman, et al.
(2023) Journal of High Energy Physics, 2023
Journal article

Measurements of observables sensitive to colour reconnection in tt¯ events with the ATLAS detector at √s= 13 TeV

G. Aad, T.P.A. Åkesson, E.E. Corrigan, C. Doglioni, P.A. Ekman, et al.
(2023) European Physical Journal C, 83
Journal article

Measurement of Zγγ production in pp collisions at √s=13 TeV with the ATLAS detector

G. Aad, T.P.A. Åkesson, E.E. Corrigan, C. Doglioni, P.A. Ekman, et al.
(2023) European Physical Journal C, 83
Journal article

Measurement of the Higgs boson mass in the H → ZZ⁎ → 4ℓ decay channel using 139 fb−1 of s=13 TeV pp collisions recorded by the ATLAS detector at the LHC

G. Aad, T.P.A. Åkesson, E.E. Corrigan, C. Doglioni, P.A. Ekman, et al.
(2023) Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 843
Journal article

Search for third-generation vector-like leptons in pp collisions at √s = 13 TeV with the ATLAS detector

G. Aad, T.P.A. Åkesson, E.E. Corrigan, C. Doglioni, P.A. Ekman, et al.
(2023) Journal of High Energy Physics, 2023
Journal article

Calibration of the light-flavour jet mistagging efficiency of the b-tagging algorithms with Z+jets events using 139 fb - 1 of ATLAS proton–proton collision data at √s=13 TeV

G. Aad, T.P.A. Åkesson, E.E. Corrigan, C. Doglioni, P.A. Ekman, et al.
(2023) European Physical Journal C, 83
Journal article

Search for new phenomena in multi-body invariant masses in events with at least one isolated lepton and two jets using √s = 13 TeV proton–proton collision data collected by the ATLAS detector

G. Aad, T.P.A. Åkesson, E.E. Corrigan, C. Doglioni, P.A. Ekman, et al.
(2023) Journal of High Energy Physics, 2023
Journal article

Strong Constraints on Jet Quenching in Centrality-Dependent p+Pb Collisions at 5.02 TeV from ATLAS

G. Aad, T.P.A. Åkesson, E.E. Corrigan, C. Doglioni, P.A. Ekman, et al.
(2023) Physical Review Letters, 131
Journal article

Observation of the γγ→ττ Process in Pb+Pb Collisions and Constraints on the τ-Lepton Anomalous Magnetic Moment with the ATLAS Detector

G. Aad, T.P.A. Åkesson, E.E. Corrigan, C. Doglioni, P.A. Ekman, et al.
(2023) Physical Review Letters, 131
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Measurements of the suppression and correlations of dijets in Xe+Xe collisions at Formula Presented TeV

G. Aad, T.P.A. Åkesson, C. Doglioni, P.A. Ekman, V. Hedberg, et al.
(2023) Physical Review C, 108
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Comparison of inclusive and photon-tagged jet suppression in 5.02 TeV Pb+Pb collisions with ATLAS

G. Aad, T.P.A. Åkesson, C. Doglioni, P.A. Ekman, V. Hedberg, et al.
(2023) Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 846
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Measurements of Higgs boson production by gluon-gluon fusion and vector-boson fusion using H→WW*→eνμν decays in pp collisions at Formula Presented with the ATLAS detector

G. Aad, T.P.A. Åkesson, E.E. Corrigan, C. Doglioni, P.A. Ekman, et al.
(2023) Physical Review D, 108
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Observation of an Excess of Dicharmonium Events in the Four-Muon Final State with the ATLAS Detector

G. Aad, T.P.A. Åkesson, C. Doglioni, P.A. Ekman, V. Hedberg, et al.
(2023) Physical Review Letters, 131
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Search for leptoquarks decaying into the bτ final state in pp collisions at √s = 13 TeV with the ATLAS detector

G. Aad, T.P.A. Åkesson, C. Doglioni, P.A. Ekman, V. Hedberg, et al.
(2023) Journal of High Energy Physics, 2023
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Luminosity determination in pp collisions at √s=13 TeV using the ATLAS detector at the LHC

G. Aad, T.P.A. Åkesson, C. Doglioni, P.A. Ekman, V. Hedberg, et al.
(2023) European Physical Journal C, 83
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Search for lepton-flavour violation in high-mass dilepton final states using 139 fb −1 of pp collisions at √s = 13 TeV with the ATLAS detector

G. Aad, T.P.A. Åkesson, C. Doglioni, P.A. Ekman, V. Hedberg, et al.
(2023) Journal of High Energy Physics, 2023
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Measurement of the Sensitivity of Two-Particle Correlations in pp Collisions to the Presence of Hard Scatterings

G. Aad, T.P.A. Åkesson, Caterina Doglioni, Alexander Ekman, Vincent Hedberg, et al.
(2023) Physical Review Letters, 131
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Search for pairs of muons with small displacements in pp collisions at s=13 TeV with the ATLAS detector

G. Aad, T.P.A. Åkesson, C. Doglioni, P.A. Ekman, V. Hedberg, et al.
(2023) Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 846
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Measurement of the cross-sections of the electroweak and total production of a Zγ pair in association with two jets in pp collisions at s=13 TeV with the ATLAS detector

G. Aad, T.P.A. Åkesson, C. Doglioni, P.A. Ekman, V. Hedberg, et al.
(2023) Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 846
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Anomaly detection search for new resonances decaying into a Higgs boson and a generic new particle X in hadronic final states using Formula Presented pp collisions with the ATLAS detector

G. Aad, T.P.A. Åkesson, E.E. Corrigan, C. Doglioni, P.A. Ekman, et al.
(2023) Physical Review D, 108
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Observation of Single-Top-Quark Production in Association with a Photon Using the ATLAS Detector

G. Aad, T.P.A. Åkesson, Eric Edward Corrigan, Caterina Doglioni, Alexander Ekman, et al.
(2023) Physical Review Letters, 131
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Search for a new scalar resonance in flavour-changing neutral-current top-quark decays t → qX (q = u, c), with X → bb¯ , in proton-proton collisions at √s = 13 TeV with the ATLAS detector

G. Aad, T.P.A. Åkesson, E.E. Corrigan, C. Doglioni, P.A. Ekman, et al.
(2023) Journal of High Energy Physics, 2023
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Evidence of off-shell Higgs boson production from ZZ leptonic decay channels and constraints on its total width with the ATLAS detector

G. Aad, T.P.A. Åkesson, C. Doglioni, P.A. Ekman, V. Hedberg, et al.
(2023) Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 846
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Search for periodic signals in the dielectron and diphoton invariant mass spectra using 139 fb−1 of pp collisions at √s = 13 TeV with the ATLAS detector

G. Aad, T.P.A. Åkesson, C. Doglioni, P.A. Ekman, V. Hedberg, et al.
(2023) Journal of High Energy Physics, 2023
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Search for nonresonant pair production of Higgs bosons in the Formula Presented final state in pp collisions at Formula Presented with the ATLAS detector

M. Amerl, T.P.A. Åkesson, C. Doglioni, P.A. Ekman, V. Hedberg, et al.
(2023) Physical Review D, 108
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Search for Majorana neutrinos in same-sign WW scattering events from pp collisions at √s=13 TeV

G. Aad, T.P.A. Åkesson, C. Doglioni, P.A. Ekman, V. Hedberg, et al.
(2023) European Physical Journal C, 83
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Search for Dark Photons in Rare Z Boson Decays with the ATLAS Detector

G. Aad, T.P.A. Åkesson, C. Doglioni, P.A. Ekman, V. Hedberg, et al.
(2023) Physical Review Letters, 131
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Integrated and differential fiducial cross-section measurements for the vector boson fusion production of the Higgs boson in the H →WW∗→eνμν decay channel at 13 TeV with the ATLAS detector

G Aad, Torsten Åkesson, Caterina Doglioni, Alexander Ekman, Vincent Hedberg, et al.
(2023) Physical Review D, 108
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Measurement of Suppression of Large-Radius Jets and Its Dependence on Substructure in Pb+Pb Collisions at √sNN=5.02 TeV with the ATLAS Detector

G Aad, Torsten Åkesson, Caterina Doglioni, Alexander Ekman, Vincent Hedberg, et al.
(2023) Physical Review Letters, 131
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Measurement of the Bs0→ μμ effective lifetime with the ATLAS detector

G. Aad, T.P.A. Åkesson, C. Doglioni, P.A. Ekman, V. Hedberg, et al.
(2023) Journal of High Energy Physics, 2023
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Search for flavour-changing neutral tqH interactions with H → γγ in pp collisions at (Formula presented.) TeV using the ATLAS detector

G. Aad, T.P.A. Åkesson, C. Doglioni, P.A. Ekman, V. Hedberg, et al.
(2023) Journal of High Energy Physics, 2023
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Search for magnetic monopoles and stable particles with high electric charges in (Formula presented.) TeV pp collisions with the ATLAS detector

G. Aad, T.P.A. Åkesson, C. Doglioni, P.A. Ekman, V. Hedberg, et al.
(2023) Journal of High Energy Physics, 2023
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Search for direct production of winos and higgsinos in events with two same-charge leptons or three leptons in pp collision data at (Formula presented.) TeV with the ATLAS detector

G. Aad, T.P.A. Åkesson, E.E. Corrigan, C. Doglioni, P.A. Ekman, et al.
(2023) Journal of High Energy Physics, 2023
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