Torsten Åkesson

2024

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

Aad, G., Åkesson, T. P. A., Doglioni, C., Ekman, P. A., Hedberg, V., Herde, H., Konya, B., Lytken, E., Poettgen, R., Simpson, N. D., Smirnova, O., Zwalinski, L. & ATLAS Collaboration, 2024, I: Journal of High Energy Physics. 2024, 7, 250.

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

Aad, G., Åkesson, T. P. A., Doglioni, C., Ekman, P. A., Hedberg, V., Herde, H., Konya, B., Lytken, E., Poettgen, R., Simpson, N. D., Smirnova, O., Zwalinski, L. & ATLAS Collaboration, 2024, I: Physical Review Letters. 132, 20, 202301.

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

Hayrapetyan, A., Åkesson, T. P. A., Doglioni, C., Ekman, P. A., Hedberg, V., Herde, H., Konya, B., Lytken, E., Poettgen, R., Simpson, N. D., Smirnova, O., Zwalinski, L., The CMS collaboration & ATLAS Collaboration, 2024, I: Physical Review Letters. 132, 26, 261902.

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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

Aad, G., Åkesson, T. P. A., Astrand, K. S. V., Doglioni, C., Ekman, P. A., Hedberg, V., Herde, H., Konya, B., Lytken, E., Poettgen, R., Simpson, N. D., Smirnova, O., Wallin, E. J., Zwalinski, L. & ATLAS Collaboration, 2024, I: Journal of High Energy Physics. 2024, 8, 153.

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

Aad, G., Åkesson, T. P. A., Doglioni, C., Ekman, P. A., Hedberg, V., Herde, H., Konya, B., Lytken, E., Poettgen, R., Simpson, N. D., Smirnova, O., Wallin, E. J., Zwalinski, L. & ATLAS Collaboration, 2024, I: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 854, 138736.

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

Aad, G., Åkesson, T. P. A., Doglioni, C., Ekman, P. A., Hedberg, V., Herde, H., Konya, B., Lytken, E., Poettgen, R., Simpson, N. D., Smirnova, O., Wallin, E. J., Zwalinski, L. & ATLAS Collaboration, 2024, I: Physical Review Letters. 132, 23, 231801.

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

Aad, G., Åkesson, T., Doglioni, C., Ekman, A., Hedberg, V., Herde, H., Konya, B., Lytken, E., Pöttgen, R., Simpson, N. D., Smirnova, O. & Zwalinski, L., 2024, I: Journal of Instrumentation. 19, 2, P02009.

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Evidence for the Higgs Boson Decay to a Z Boson and a Photon at the LHC

Aad, G., Åkesson, T. P. A., Doglioni, C., Hedberg, V., Herde, H., Konya, B., Lytken, E., Poettgen, R., Simpson, N. D., Smirnova, O., Zhizhin, I., Zhokin, A. & ATLAS Collaboration, 2024, I: Physical Review Letters. 132, 2, 021803.

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Improving topological cluster reconstruction using calorimeter cell timing in ATLAS

Aad, G., Åkesson, T. P. A., Doglioni, C., Ekman, P. A., Hedberg, V., Herde, H., Konya, B., Lytken, E., Poettgen, R., Simpson, N. D., Smirnova, O., Zwalinski, L. & ATLAS Collaboration, 2024, I: European Physical Journal C. 84, 5, 455.

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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

Aad, G., Åkesson, T. P. A., Doglioni, C., Ekman, P. A., Hedberg, V., Herde, H., Konya, B., Lytken, E., Poettgen, R., Simpson, N. D., Smirnova, O., Zwalinski, L. & ATLAS Collaboration, 2024, I: Journal of High Energy Physics. 2024, 7, 163.

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

Aad, G., Åkesson, T. P. A., Doglioni, C., Ekman, P. A., Hedberg, V., Herde, H., Konya, B., Lytken, E., Poettgen, R., Simpson, N. D., Smirnova, O., Zwalinski, L. & ATLAS Collaboration, 2024, I: Physical Review D. 109, 11, 112016.

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

Aad, G., Åkesson, T. P. A., Doglioni, C., Ekman, P. A., Hedberg, V., Herde, H., Konya, B., Lytken, E., Poettgen, R., Simpson, N. D., Smirnova, O., Zwalinski, L. & ATLAS Collaboration, 2024, I: Physical Review Letters. 132, 10, 102301.

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Measurement of the H→ γγ and H→ ZZ∗→ 4 ℓ cross-sections in pp collisions at √s=13.6 TeV with the ATLAS detector

Aad, G., Åkesson, T. P. A., Doglioni, C., Hedberg, V., Herde, H., Konya, B., Lytken, E., Poettgen, R., Simpson, N. D., Smirnova, O., Zou, W., Zwalinski, L. & ATLAS Collaboration, 2024, I: European Physical Journal C. 84, 1, 78.

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

Aad, G., Åkesson, T. P. A., Doglioni, C., Ekman, P. A., Hedberg, V., Herde, H., Konya, B., Lytken, E., Poettgen, R., Simpson, N. D., Smirnova, O., Zwalinski, L. & ATLAS Collaboration, 2024, I: European Physical Journal C. 84, 2, 169.

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Measurement of the tt¯ cross section and its ratio to the Z production cross section using pp collisions at s=13.6 TeV with the ATLAS detector

Aad, G., Åkesson, T. P. A., Doglioni, C., Hedberg, V., Herde, H., Konya, B., Lytken, E., Poettgen, R., Simpson, N. D., Smirnova, O., Zou, W., Zwalinski, L. & ATLAS Collaboration, 2024, I: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 848, 138376.

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Measurement of the VH,H → ττ process with the ATLAS detector at 13 TeV

Aad, G., Åkesson, T. P. A., Doglioni, C., Ekman, P. A., Hedberg, V., Herde, H., Konya, B., Lytken, E., Poettgen, R., Simpson, N. D., Smirnova, O., Wallin, E. J., Zwalinski, L. & ATLAS Collaboration, 2024, I: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 855, 138817.

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

Aad, G., Åkesson, T. P. A., Doglioni, C., Ekman, P. A., Hedberg, V., Herde, H., Konya, B., Lytken, E., Poettgen, R., Simpson, N. D., Smirnova, O., Zwalinski, L. & ATLAS Collaboration, 2024, I: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 854, 138705.

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

Aad, G., Åkesson, T. P. A., Doglioni, C., Ekman, P. A., Hedberg, V., Herde, H., Konya, B., Lytken, E., Poettgen, R., Simpson, N. D., Smirnova, O., Zwalinski, L. & ATLAS Collaboration, 2024, I: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 855, 138764.

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

Aad, G., Åkesson, T. P. A., Doglioni, C., Ekman, P. A., Hedberg, V., Herde, H., Konya, B., Lytken, E., Poettgen, R., Simpson, N. D., Smirnova, O., Zwalinski, L. & ATLAS Collaboration, 2024, I: Journal of High Energy Physics. 2024, 7, 254.

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Observation of WZγ Production in pp Collisions at sqrt[s]=13 TeV with the ATLAS Detector

Aad, G., Åkesson, T. P. A., Doglioni, C., Ekman, P. A., Hedberg, V., Herde, H., Konya, B., Lytken, E., Poettgen, R., Simpson, N. D., Smirnova, O., Zou, W., Zwalinski, L. & ATLAS Collaboration, 2024, I: Physical Review Letters. 132, 2, 021802.

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Observation of Wγγ triboson production in proton-proton collisions at s=13 TeV with the ATLAS detector

Aad, G., Åkesson, T. P. A., Doglioni, C., Hedberg, V., Herde, H., Konya, B., Lytken, E., Poettgen, R., Simpson, N. D., Skorda, E., Smirnova, O., Zou, W., Zwalinski, L. & ATLAS Collaboration, 2024, I: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 848, 138400.

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

Aad, G., Åkesson, T. P. A., Doglioni, C., Ekman, P. A., Hedberg, V., Herde, H., Konya, B., Lytken, E., Poettgen, R., Simpson, N. D., Smirnova, O., Wallin, E. J., Zwalinski, L. & ATLAS Collaboration, 2024, I: Journal of Instrumentation. 19, 5, P05054.

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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

ATLAS Collaboration, 2024, I: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 849, 138469.

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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

ATLAS Collaboration, 2024, I: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 855, 138762.

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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

Aad, G., Åkesson, T. P. A., Doglioni, C., Ekman, P. A., Hedberg, V., Herde, H., Konya, B., Lytken, E., Poettgen, R., Simpson, N. D., Smirnova, O., Zwalinski, L. & ATLAS Collaboration, 2024, I: Journal of High Energy Physics. 2024, 2, 197.

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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

ATLAS Collaboration, 2024, I: Physical Review D. 110, 1, 012014.

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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

Aad, G., Åkesson, T. P. A., Astrand, K. S. V., Doglioni, C., Ekman, P. A., Hedberg, V., Herde, H., Konya, B., Lytken, E., Poettgen, R., Simpson, N. D., Smirnova, O., Wallin, E. J., Zwalinski, L. & ATLAS Collaboration, 2024, I: European Physical Journal C. 84, 7, 757.

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Search for high-mass resonances in final states with a Formula Presented-lepton and missing transverse momentum with the ATLAS detector

Aad, G., Åkesson, T. P. A., Corrigan, E. E., Doglioni, C., Geisen, J., Hansen, E., Hedberg, V., Jarlskog, G., Konya, B., Lytken, E., Mankinen, K. H., Marcon, C., Mjörnmark, J. U., Mullier, G. A., Poettgen, R., Skorda, E., Smirnova, O., Zwalinski, L. & ATLAS Collaboration, 2024, I: Physical Review D. 109, 11, 112008.

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Search for leptoquark pair production decaying into te-t¯e+ or tμ-t¯μ+ in multi-lepton final states in pp collisions at s=13TeV with the ATLAS detector

Aad, G., Åkesson, T. P. A., Corrigan, E. E., Doglioni, C., Ekman, P. A., Geisen, J., Hedberg, V., Herde, H., Jarlskog, G., Konya, B., Lytken, E., Mjörnmark, J. U., Poettgen, R., Simpson, N. D., Skorda, E., Smirnova, O., Zwalinski, L. & ATLAS Collaboration, 2024, I: European Physical Journal C. 84, 8, 818.

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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

Aad, G., Åkesson, T. P. A., Astrand, K. S. V., Doglioni, C., Ekman, P. A., Hedberg, V., Herde, H., Konya, B., Lytken, E., Poettgen, R., Simpson, N. D., Smirnova, O., Wallin, E. J., Zwalinski, L. & ATLAS Collaboration, 2024, I: Physical Review D. 110, 3, 032002.

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

Aad, G., Åkesson, T. P. A., Astrand, K. S. V., Doglioni, C., Ekman, P. A., Hedberg, V., Herde, H., Konya, B., Lytken, E., Poettgen, R., Simpson, N. D., Smirnova, O., Wallin, E. J., Zwalinski, L. & ATLAS Collaboration, 2024, I: Physical Review Letters. 132, 22, 221801.

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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

Aad, G., Åkesson, T. P. A., Doglioni, C., Ekman, P. A., Hedberg, V., Herde, H., Konya, B., Lytken, E., Poettgen, R., Simpson, N. D., Smirnova, O., Zwalinski, L. & ATLAS Collaboration, 2024, I: Journal of High Energy Physics. 2024, 5, 263.

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Search for New Phenomena in Two-Body Invariant Mass Distributions Using Unsupervised Machine Learning for Anomaly Detection at √s = 13 TeV with the ATLAS Detector

Aad, G., Åkesson, T. P. A., Corrigan, E. E., Doglioni, C., Geisen, J., Hansen, E., Hedberg, V., Herde, H., Konya, B., Lytken, E., Poettgen, R., Simpson, N. D., Smirnova, O., Zwalinski, L. & ATLAS Collaboration, 2024, I: Physical Review Letters. 132, 8, 081801.

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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

Aad, G., Åkesson, T. P. A., Astrand, K. S. V., Doglioni, C., Ekman, P. A., Hedberg, V., Herde, H., Konya, B., Lytken, E., Poettgen, R., Simpson, N. D., Smirnova, O., Wallin, E. J., Zwalinski, L. & ATLAS Collaboration, 2024, I: Journal of High Energy Physics. 2024, 8, 164.

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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

Aad, G., Åkesson, T. P. A., Doglioni, C., Ekman, P. A., Hedberg, V., Herde, H., Konya, B., Lytken, E., Poettgen, R., Simpson, N. D., Smirnova, O., Zwalinski, L. & ATLAS Collaboration, 2024, I: Journal of High Energy Physics. 2024, 2, 37.

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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

Aad, G., Åkesson, T. P. A., Doglioni, C., Ekman, P. A., Hedberg, V., Herde, H., Konya, B., Lytken, E., Poettgen, R., Simpson, N. D., Skorda, E., Smirnova, O., Zwalinski, L. & ATLAS Collaboration, 2024, I: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 856, 138938.

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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

Aad, G., Åkesson, T. P. A., Doglioni, C., Ekman, P. A., Hedberg, V., Herde, H., Konya, B., Lytken, E., Poettgen, R., Simpson, N. D., Smirnova, O., Zwalinski, L. & ATLAS Collaboration, 2024, I: Physical Review D. 109, 11, 112011.

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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

Aad, G., Åkesson, T. P. A., Doglioni, C., Ekman, P. A., Hedberg, V., Herde, H., Konya, B., Lytken, E., Poettgen, R., Simpson, N. D., Smirnova, O., Zwalinski, L. & ATLAS Collaboration, 2024, I: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 854, 138743.

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Search for quantum black hole production in lepton + jet final states using proton-proton collisions at vs = 13 TeV with the ATLAS detector

Aad, G., Åkesson, T. P. A., Bocchetta, S., Corrigan, E. E., Doglioni, C., Geisen, J., Gregersen, K., Hansen, E., Hedberg, V., Jarlskog, G., Kellermann, E., Konya, B., Lytken, E., Mankinen, K. H., Marcon, C., Mjörnmark, J. U., Mullier, G. A., Poettgen, R., Poulsen, T. & Skorda, E. & 3 andra, Smirnova, O., Zwalinski, L. & ATLAS Collaboration, 2024, I: Physical Review D. 109, 3, 032010.

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

Aad, G., Åkesson, T. P. A., Doglioni, C., Ekman, P. A., Hedberg, V., Herde, H., Konya, B., Lytken, E., Poettgen, R., Simpson, N. D., Smirnova, O., Zwalinski, L. & ATLAS Collaboration, 2024, I: European Physical Journal C. 84, 7, 742.

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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

Aad, G., Åkesson, T. P. A., Doglioni, C., Ekman, P. A., Hedberg, V., Herde, H., Konya, B., Lytken, E., Poettgen, R., Simpson, N. D., Smirnova, O., Zwalinski, L. & ATLAS Collaboration, 2024, I: Physical Review D. 109, 11, 112012.

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

Aad, G., Åkesson, T. P. A., Doglioni, C., Ekman, P. A., Hedberg, V., Herde, H., Konya, B., Lytken, E., Poettgen, R., Simpson, N. D., Smirnova, O., Zwalinski, L. & ATLAS Collaboration, 2024, I: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 850, 138536.

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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

Aad, G., Åkesson, T. P. A., Doglioni, C., Ekman, P. A., Hedberg, V., Herde, H., Konya, B., Lytken, E., Poettgen, R., Simpson, N. D., Smirnova, O., Wallin, E. J., Zwalinski, L. & ATLAS Collaboration, 2024, I: Physical Review D. 110, 3, 032012.

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

Aad, G., Åkesson, T. P. A., Doglioni, C., Ekman, P. A., Hedberg, V., Herde, H., Konya, B., Lytken, E., Poettgen, R., Simpson, N. D., Skorda, E., Smirnova, O., Zwalinski, L. & ATLAS Collaboration, 2024, I: European Physical Journal C. 84, 2, 157.

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Software Performance of the ATLAS Track Reconstruction for LHC Run 3

Aad, G., Åkesson, T. P. A., Doglioni, C., Ekman, P. A., Hedberg, V., Herde, H., Konya, B., Lytken, E., Poettgen, R., Simpson, N. D., Smirnova, O., Zwalinski, L. & ATLAS Collaboration, 2024, I: Computing and Software for Big Science. 8, 1, 9.

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

Aad, G., Åkesson, T. P. A., Doglioni, C., Ekman, P. A., Hedberg, V., Herde, H., Konya, B., Lytken, E., Poettgen, R., Simpson, N. D., Smirnova, O., Zwalinski, L. & ATLAS Collaboration, 2024, I: Physical Review Letters. 133, 3, 031802.

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

Aad, G., Åkesson, T. P. A., Doglioni, C., Ekman, A., Hedberg, V., Herde, H., Konya, B., Lytken, E., Poettgen, R., Simpson, N. D., Smirnova, O., Zwalinski, L. & ATLAS Collaboration, 2024, I: Physical Review Letters. 132, 13, 131802.

Forskningsoutput: Tidskriftsbidrag › Artikel i vetenskaplig tidskrift › Peer review

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

Aad, G., Åkesson, T. P. A., Corrigan, E. E., Doglioni, C., Ekman, P. A., Geisen, J., Hedberg, V., Herde, H., Jarlskog, G., Konya, B., Lytken, E., Mjörnmark, J. U., Poettgen, R., Simpson, N. D., Skorda, E., Smirnova, O., Zwalinski, L. & ATLAS Collaboration, 2024, I: European Physical Journal C. 84, 2, 195.

Forskningsoutput: Tidskriftsbidrag › Artikel i vetenskaplig tidskrift › Peer review

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

Aad, G., Åkesson, T. P. A., Corrigan, E. E., Doglioni, C., Ekman, P. A., Geisen, J., Hedberg, V., Herde, H., Jarlskog, G., Konya, B., Lytken, E., Mjörnmark, J. U., Poettgen, R., Simpson, N. D., Skorda, E., Smirnova, O., Zwalinski, L. & ATLAS Collaboration, 2024, I: Journal of Instrumentation. 19, 5, P05063.

Forskningsoutput: Tidskriftsbidrag › Artikel i vetenskaplig tidskrift › Peer review

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

Aad, G., Åkesson, T. P. A., Doglioni, C., Ekman, A., Hedberg, V., Herde, H., Konya, B., Lytken, E., Poettgen, R., Simpson, N. D., Smirnova, O., Zwalinski, L. & ATLAS Collaboration, 2024, I: Journal of Instrumentation. 19, 6, P06029.

Forskningsoutput: Tidskriftsbidrag › Artikel i vetenskaplig tidskrift › Peer review

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Torsten Åkesson

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