Axel Gallén

Observation of 𝑡⁢¯𝑡 Production in Pb+Pb Collisions at √𝑠NN=5.02  TeV with the ATLAS Detector

Aad, G.; Bergeås Kuutmann, Elin; Brenner, Richard; Ekelöf, Tord et al.

Ingår i Physical Review Letters, 2025

• DOI för Observation of 𝑡⁢¯𝑡 Production in Pb+Pb Collisions at √𝑠NN=5.02  TeV with the ATLAS Detector
• Ladda ner fulltext (pdf) av Observation of 𝑡⁢¯𝑡 Production in Pb+Pb Collisions at √𝑠NN=5.02  TeV with the ATLAS Detector

Search for vector-like leptons coupling to first- and second-generation Standard Model leptons in pp collisions at √s=13 TeV with the ATLAS detector

Aad, G.; Bergeås Kuutmann, Elin; Brenner, Richard; Ekelöf, Tord et al.

Ingår i Journal of High Energy Physics (JHEP), 2025

• DOI för Search for vector-like leptons coupling to first- and second-generation Standard Model leptons in pp collisions at √s=13 TeV with the ATLAS detector
• Ladda ner fulltext (pdf) av Search for vector-like leptons coupling to first- and second-generation Standard Model leptons in pp collisions at √s=13 TeV with the ATLAS detector

Search for long-lived charged particles using large specific ionisation loss and time of flight in 140 fb^-1 of pp collisions at √s=13 TeV with the ATLAS detector

Aad, G.; Bergeås Kuutmann, Elin; Brenner, Richard; Ekelöf, Tord et al.

Ingår i Journal of High Energy Physics (JHEP), 2025

• DOI för Search for long-lived charged particles using large specific ionisation loss and time of flight in 140 fb^-1 of pp collisions at √s=13 TeV with the ATLAS detector
• Ladda ner fulltext (pdf) av Search for long-lived charged particles using large specific ionisation loss and time of flight in 140 fb^-1 of pp collisions at √s=13 TeV with the ATLAS detector

Test of lepton flavour universality in W-boson decays into electrons and τ-leptons using pp collisions at √s=13 TeV with the ATLAS detector

Aad, G.; Bergeås Kuutmann, Elin; Brenner, Richard; Dimitriadi, Christina et al.

Ingår i Journal of High Energy Physics (JHEP), 2025

• DOI för Test of lepton flavour universality in W-boson decays into electrons and τ-leptons using pp collisions at √s=13 TeV with the ATLAS detector
• Ladda ner fulltext (pdf) av Test of lepton flavour universality in W-boson decays into electrons and τ-leptons using pp collisions at √s=13 TeV with the ATLAS detector

Charged-hadron and identified-hadron (𝐾0𝑆, Λ, Ξ−) yield measurements in photonuclear Pb plus Pb and p plus Pb collisions at √𝑠𝑁⁢𝑁 = 5.02 TeV with ATLAS

Aad, G.; Bergeås Kuutmann, Elin; Brenner, Richard; Ekelöf, Tord et al.

Ingår i Physical Review C, 2025

• DOI för Charged-hadron and identified-hadron (𝐾0𝑆, Λ, Ξ−) yield measurements in photonuclear Pb plus Pb and p plus Pb collisions at √𝑠𝑁⁢𝑁 = 5.02 TeV with ATLAS
• Ladda ner fulltext (pdf) av Charged-hadron and identified-hadron (𝐾0𝑆, Λ, Ξ−) yield measurements in photonuclear Pb plus Pb and p plus Pb collisions at √𝑠𝑁⁢𝑁 = 5.02 TeV with ATLAS

Observation of 𝑡⁢¯𝑡 Production in Pb+Pb Collisions at √𝑠NN=5.02  TeV with the ATLAS Detector

Aad, G.; Bergeås Kuutmann, Elin; Brenner, Richard; Ekelöf, Tord et al.

Ingår i Physical Review Letters, 2025

• DOI för Observation of 𝑡⁢¯𝑡 Production in Pb+Pb Collisions at √𝑠NN=5.02  TeV with the ATLAS Detector
• Ladda ner fulltext (pdf) av Observation of 𝑡⁢¯𝑡 Production in Pb+Pb Collisions at √𝑠NN=5.02  TeV with the ATLAS Detector

Search for vector-like leptons coupling to first- and second-generation Standard Model leptons in pp collisions at √s=13 TeV with the ATLAS detector

Aad, G.; Bergeås Kuutmann, Elin; Brenner, Richard; Ekelöf, Tord et al.

Ingår i Journal of High Energy Physics (JHEP), 2025

• DOI för Search for vector-like leptons coupling to first- and second-generation Standard Model leptons in pp collisions at √s=13 TeV with the ATLAS detector
• Ladda ner fulltext (pdf) av Search for vector-like leptons coupling to first- and second-generation Standard Model leptons in pp collisions at √s=13 TeV with the ATLAS detector

Search for long-lived charged particles using large specific ionisation loss and time of flight in 140 fb^-1 of pp collisions at √s=13 TeV with the ATLAS detector

Aad, G.; Bergeås Kuutmann, Elin; Brenner, Richard; Ekelöf, Tord et al.

Ingår i Journal of High Energy Physics (JHEP), 2025

• DOI för Search for long-lived charged particles using large specific ionisation loss and time of flight in 140 fb^-1 of pp collisions at √s=13 TeV with the ATLAS detector
• Ladda ner fulltext (pdf) av Search for long-lived charged particles using large specific ionisation loss and time of flight in 140 fb^-1 of pp collisions at √s=13 TeV with the ATLAS detector

Test of lepton flavour universality in W-boson decays into electrons and τ-leptons using pp collisions at √s=13 TeV with the ATLAS detector

Aad, G.; Bergeås Kuutmann, Elin; Brenner, Richard; Dimitriadi, Christina et al.

Ingår i Journal of High Energy Physics (JHEP), 2025

• DOI för Test of lepton flavour universality in W-boson decays into electrons and τ-leptons using pp collisions at √s=13 TeV with the ATLAS detector
• Ladda ner fulltext (pdf) av Test of lepton flavour universality in W-boson decays into electrons and τ-leptons using pp collisions at √s=13 TeV with the ATLAS detector

Charged-hadron and identified-hadron (𝐾0𝑆, Λ, Ξ−) yield measurements in photonuclear Pb plus Pb and p plus Pb collisions at √𝑠𝑁⁢𝑁 = 5.02 TeV with ATLAS

Aad, G.; Bergeås Kuutmann, Elin; Brenner, Richard; Ekelöf, Tord et al.

Ingår i Physical Review C, 2025

• DOI för Charged-hadron and identified-hadron (𝐾0𝑆, Λ, Ξ−) yield measurements in photonuclear Pb plus Pb and p plus Pb collisions at √𝑠𝑁⁢𝑁 = 5.02 TeV with ATLAS
• Ladda ner fulltext (pdf) av Charged-hadron and identified-hadron (𝐾0𝑆, Λ, Ξ−) yield measurements in photonuclear Pb plus Pb and p plus Pb collisions at √𝑠𝑁⁢𝑁 = 5.02 TeV with ATLAS

Search for Higgs boson exotic decays into Lorentz-boosted light bosons in the four-τ final state at √s=13 TeV with the ATLAS detector

Aad, G.; Bergeås Kuutmann, Elin; Brenner, Richard; Ekelöf, Tord et al.

Ingår i Physics Letters B, 2025

• DOI för Search for Higgs boson exotic decays into Lorentz-boosted light bosons in the four-τ final state at √s=13 TeV with the ATLAS detector
• Ladda ner fulltext (pdf) av Search for Higgs boson exotic decays into Lorentz-boosted light bosons in the four-τ final state at √s=13 TeV with the ATLAS detector

Search for decays of the Higgs boson into scalar particles decaying into four or six b quarks using pp collisions at √s=13 TeV with the ATLAS detector

Aad, G.; Bergeås Kuutmann, Elin; Brenner, Richard; Ekelöf, Tord et al.

Ingår i Physical Review D, 2025

• DOI för Search for decays of the Higgs boson into scalar particles decaying into four or six b quarks using pp collisions at √s=13 TeV with the ATLAS detector
• Ladda ner fulltext (pdf) av Search for decays of the Higgs boson into scalar particles decaying into four or six b quarks using pp collisions at √s=13 TeV with the ATLAS detector

Azimuthal anisotropies of charged particles with high transverse momentum in Pb+Pb collisions at √^𝑠NN = 5.02 TeV with the ATLAS detector

Aad, G.; Bergeås Kuutmann, Elin; Brenner, Richard; Ekelöf, Tord et al.

Ingår i Physical Review C, 2025

• DOI för Azimuthal anisotropies of charged particles with high transverse momentum in Pb+Pb collisions at √^𝑠NN = 5.02 TeV with the ATLAS detector
• Ladda ner fulltext (pdf) av Azimuthal anisotropies of charged particles with high transverse momentum in Pb+Pb collisions at √^𝑠NN = 5.02 TeV with the ATLAS detector

A search for dark matter produced in association with a dark Higgs boson decaying into a Higgs boson pair in 3b or 4b final states using pp collisions at √s=13 TeV with the ATLAS detector

Aad, G.; Bergeås Kuutmann, Elin; Brenner, Richard; Ekelöf, Tord et al.

Ingår i Journal of High Energy Physics (JHEP), 2025

• DOI för A search for dark matter produced in association with a dark Higgs boson decaying into a Higgs boson pair in 3b or 4b final states using pp collisions at √s=13 TeV with the ATLAS detector
• Ladda ner fulltext (pdf) av A search for dark matter produced in association with a dark Higgs boson decaying into a Higgs boson pair in 3b or 4b final states using pp collisions at √s=13 TeV with the ATLAS detector

Search for heavy neutral leptons in decays of W bosons using leptonic and semi-leptonic displaced vertices in √s=13 TeV pp collisions with the ATLAS detector

Aad, G.; Bergeås Kuutmann, Elin; Brenner, Richard; Ekelöf, Tord et al.

Ingår i Journal of High Energy Physics (JHEP), 2025

• DOI för Search for heavy neutral leptons in decays of W bosons using leptonic and semi-leptonic displaced vertices in √s=13 TeV pp collisions with the ATLAS detector
• Ladda ner fulltext (pdf) av Search for heavy neutral leptons in decays of W bosons using leptonic and semi-leptonic displaced vertices in √s=13 TeV pp collisions with the ATLAS detector

Search for new physics in final states with semivisible jets or anomalous signatures using the ATLAS detector

Aad, G.; Bergeås Kuutmann, Elin; Brenner, Richard; Ekelöf, Tord et al.

Ingår i Physical Review D, 2025

• DOI för Search for new physics in final states with semivisible jets or anomalous signatures using the ATLAS detector
• Ladda ner fulltext (pdf) av Search for new physics in final states with semivisible jets or anomalous signatures using the ATLAS detector

Evidence for Longitudinally Polarized W Bosons in the Electroweak Production of Same-Sign W Boson Pairs in Association with Two Jets in pp Collisions at √s=13 TeV with the ATLAS Detector

Aad, G.; Bergeås Kuutmann, Elin; Brenner, Richard; Ekelöf, Tord et al.

Ingår i Physical Review Letters, 2025

• DOI för Evidence for Longitudinally Polarized W Bosons in the Electroweak Production of Same-Sign W Boson Pairs in Association with Two Jets in pp Collisions at √s=13 TeV with the ATLAS Detector
• Ladda ner fulltext (pdf) av Evidence for Longitudinally Polarized W Bosons in the Electroweak Production of Same-Sign W Boson Pairs in Association with Two Jets in pp Collisions at √s=13 TeV with the ATLAS Detector

Search for Higgs boson decays into a Z boson and a light hadronically decaying resonance in pp collisions at √ˆšs=13 TeV with the ATLAS detector

Aad, G.; Bergeås Kuutmann, Elin; Brenner, Richard; Dimitriadi, Christina et al.

Ingår i Physics Letters B, 2025

• DOI för Search for Higgs boson decays into a Z boson and a light hadronically decaying resonance in pp collisions at √ˆšs=13 TeV with the ATLAS detector
• Ladda ner fulltext (pdf) av Search for Higgs boson decays into a Z boson and a light hadronically decaying resonance in pp collisions at √ˆšs=13 TeV with the ATLAS detector

Improved reconstruction of highly boosted τ-lepton pairs in the ττ„ →†’ (μv_μ„v_τ) (hadrons + ν_τ) decay channels with the ATLAS detector

Aad, G.; Bergeås Kuutmann, Elin; Brenner, Richard; Ekelöf, Tord et al.

Ingår i European Physical Journal C, 2025

• DOI för Improved reconstruction of highly boosted τ-lepton pairs in the ττ„ →†’ (μv_μ„v_τ) (hadrons + ν_τ) decay channels with the ATLAS detector
• Ladda ner fulltext (pdf) av Improved reconstruction of highly boosted τ-lepton pairs in the ττ„ →†’ (μv_μ„v_τ) (hadrons + ν_τ) decay channels with the ATLAS detector

Search for cascade decays of charged sleptons and sneutrinos in final states with three leptons and missing transverse momentum in pp collisions at √s=13 TeV with the ATLAS detector

Aad, G.; Bergeås Kuutmann, Elin; Brenner, Richard; Ekelöf, Tord et al.

Ingår i Physical Review D, 2025

• DOI för Search for cascade decays of charged sleptons and sneutrinos in final states with three leptons and missing transverse momentum in pp collisions at √s=13 TeV with the ATLAS detector
• Ladda ner fulltext (pdf) av Search for cascade decays of charged sleptons and sneutrinos in final states with three leptons and missing transverse momentum in pp collisions at √s=13 TeV with the ATLAS detector

Measurement of the top quark mass with the ATLAS detector using tt<over-bar> events with a high transverse momentum top quark

Aad, G.; Bergeås Kuutmann, Elin; Brenner, Richard; Ekelöf, Tord et al.

Ingår i Physics Letters B, 2025

• DOI för Measurement of the top quark mass with the ATLAS detector using tt<over-bar> events with a high transverse momentum top quark
• Ladda ner fulltext (pdf) av Measurement of the top quark mass with the ATLAS detector using tt<over-bar> events with a high transverse momentum top quark

Observation of VVZ production at √ˆšs=13 TeV with the ATLAS detector

Aad, G.; Bergeås Kuutmann, Elin; Brenner, Richard; Ekelöf, Tord et al.

Ingår i Physics Letters B, 2025

• DOI för Observation of VVZ production at √ˆšs=13 TeV with the ATLAS detector
• Ladda ner fulltext (pdf) av Observation of VVZ production at √ˆšs=13 TeV with the ATLAS detector

Reconstruction and identification of pairs of collimated τ-leptons decaying hadronically using √ˆšs=13 TeV pp collision data with the ATLAS detector

Aad, G.; Bergeås Kuutmann, Elin; Brenner, Richard; Dimitriadi, Christina et al.

Ingår i European Physical Journal C, 2025

• DOI för Reconstruction and identification of pairs of collimated τ-leptons decaying hadronically using √ˆšs=13 TeV pp collision data with the ATLAS detector
• Ladda ner fulltext (pdf) av Reconstruction and identification of pairs of collimated τ-leptons decaying hadronically using √ˆšs=13 TeV pp collision data with the ATLAS detector

Search for Higgs boson decays into a pair of pseudoscalar particles in the γγτ_hadτ_had final state using pp collisions at √s = 13 TeV with the ATLAS detector

Aad, G.; Bergeås Kuutmann, Elin; Brenner, Richard; Ekelöf, Tord et al.

Ingår i Journal of High Energy Physics (JHEP), 2025

• DOI för Search for Higgs boson decays into a pair of pseudoscalar particles in the γγτ_hadτ_had final state using pp collisions at √s = 13 TeV with the ATLAS detector
• Ladda ner fulltext (pdf) av Search for Higgs boson decays into a pair of pseudoscalar particles in the γγτ_hadτ_had final state using pp collisions at √s = 13 TeV with the ATLAS detector

Search for charged Higgs bosons produced in top-quark decays or in association with top quarks and decaying via 𝐻± → 𝜏±⁢𝜈𝜏 in 13 TeV 𝑝⁢𝑝 collisions with the ATLAS detector

Aad, G.; Bergeås Kuutmann, Elin; Brenner, Richard; Ekelöf, Tord et al.

Ingår i Physical Review D, 2025

• DOI för Search for charged Higgs bosons produced in top-quark decays or in association with top quarks and decaying via 𝐻± → 𝜏±⁢𝜈𝜏 in 13 TeV 𝑝⁢𝑝 collisions with the ATLAS detector
• Ladda ner fulltext (pdf) av Search for charged Higgs bosons produced in top-quark decays or in association with top quarks and decaying via 𝐻± → 𝜏±⁢𝜈𝜏 in 13 TeV 𝑝⁢𝑝 collisions with the ATLAS detector

An implementation of neural simulation-based inference for parameter estimation in ATLAS

Aad, G.; Bergeås Kuutmann, Elin; Brenner, Richard; Ekelöf, Tord et al.

Ingår i Reports on progress in physics (Print), 2025

• DOI för An implementation of neural simulation-based inference for parameter estimation in ATLAS
• Ladda ner fulltext (pdf) av An implementation of neural simulation-based inference for parameter estimation in ATLAS

Measurement of W±-boson differential cross-sections in proton-proton collisions with low pile-up data at √ˆšs=5.02TeV and 13TeV with the ATLAS detector

Aad, G.; Bergeås Kuutmann, Elin; Brenner, Richard; Ekelöf, Tord et al.

Ingår i European Physical Journal C, 2025

• DOI för Measurement of W±-boson differential cross-sections in proton-proton collisions with low pile-up data at √ˆšs=5.02TeV and 13TeV with the ATLAS detector
• Ladda ner fulltext (pdf) av Measurement of W±-boson differential cross-sections in proton-proton collisions with low pile-up data at √ˆšs=5.02TeV and 13TeV with the ATLAS detector

Search for a heavy charged Higgs boson decaying into a W boson and a Higgs boson in final states with leptons and b-jets in √s=13 TeV pp collisions with the ATLAS detector

Aad, G.; Bergeås Kuutmann, Elin; Brenner, Richard; Ekelöf, Tord et al.

Ingår i Journal of High Energy Physics (JHEP), 2025

• DOI för Search for a heavy charged Higgs boson decaying into a W boson and a Higgs boson in final states with leptons and b-jets in √s=13 TeV pp collisions with the ATLAS detector
• Ladda ner fulltext (pdf) av Search for a heavy charged Higgs boson decaying into a W boson and a Higgs boson in final states with leptons and b-jets in √s=13 TeV pp collisions with the ATLAS detector

Searching for long-lived dark scalars at the FCC-ee

Ripellino, Giulia; Voorde, M. Vande; Gallén, Axel; Gonzalez Suarez, Rebeca

Ingår i Journal of High Energy Physics (JHEP), 2025

• DOI för Searching for long-lived dark scalars at the FCC-ee
• Ladda ner fulltext (pdf) av Searching for long-lived dark scalars at the FCC-ee

Measurement of off-shell Higgs boson production in the H* → ZZ → †’4l decay channel using a neural simulation-based inference technique in 13 TeV pp collisions with the ATLAS detector

Aad, G.; Bergeås Kuutmann, Elin; Brenner, Richard; Ekelöf, Tord et al.

Ingår i Reports on progress in physics (Print), 2025

• DOI för Measurement of off-shell Higgs boson production in the H* → ZZ → †’4l decay channel using a neural simulation-based inference technique in 13 TeV pp collisions with the ATLAS detector
• Ladda ner fulltext (pdf) av Measurement of off-shell Higgs boson production in the H* → ZZ → †’4l decay channel using a neural simulation-based inference technique in 13 TeV pp collisions with the ATLAS detector

Search for triple Higgs boson production in the 6⁢𝑏 final state using 𝑝⁢𝑝 collisions at √𝑠 =13  TeV with the ATLAS detector

Aad, G.; Bergeås Kuutmann, Elin; Brenner, Richard; Ekelöf, Tord et al.

Ingår i Physical Review D, 2025

• DOI för Search for triple Higgs boson production in the 6⁢𝑏 final state using 𝑝⁢𝑝 collisions at √𝑠 =13  TeV with the ATLAS detector
• Ladda ner fulltext (pdf) av Search for triple Higgs boson production in the 6⁢𝑏 final state using 𝑝⁢𝑝 collisions at √𝑠 =13  TeV with the ATLAS detector

Configuration, Performance, and Commissioning of the ATLAS b-jet Triggers for the 2022 and 2023 LHC data-taking periods

Aad, G.; Bergeås Kuutmann, Elin; Brenner, Richard; Ekelöf, Tord et al.

Ingår i Journal of Instrumentation, 2025

• DOI för Configuration, Performance, and Commissioning of the ATLAS b-jet Triggers for the 2022 and 2023 LHC data-taking periods
• Ladda ner fulltext (pdf) av Configuration, Performance, and Commissioning of the ATLAS b-jet Triggers for the 2022 and 2023 LHC data-taking periods

Expected tracking performance of the ATLAS Inner Tracker at the High-Luminosity LHC

Aad, G.; Bergeås Kuutmann, Elin; Brenner, Richard; Ekelöf, Tord et al.

Ingår i Journal of Instrumentation, 2025

• DOI för Expected tracking performance of the ATLAS Inner Tracker at the High-Luminosity LHC
• Ladda ner fulltext (pdf) av Expected tracking performance of the ATLAS Inner Tracker at the High-Luminosity LHC

Search for same-charge top-quark pair production in pp collisions at √s=13 TeV with the ATLAS detector

Aad, G.; Bergeås Kuutmann, Elin; Brenner, Richard; Dimitriadi, Christina et al.

Ingår i Journal of High Energy Physics (JHEP), 2025

• DOI för Search for same-charge top-quark pair production in pp collisions at √s=13 TeV with the ATLAS detector
• Ladda ner fulltext (pdf) av Search for same-charge top-quark pair production in pp collisions at √s=13 TeV with the ATLAS detector

Sparks in the dark

Sunneborn Gudnadottir, Olga; Gallén, Axel; Ripellino, Giulia; Heinrich, Jochen J. et al.

Ingår i SciPost Physics, 2025

• DOI för Sparks in the dark
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Measurement of top-quark pair production in association with charm quarks in proton-proton collisions at √s=13 TeV with the ATLAS detector

Aad, G.; Bergeås Kuutmann, Elin; Brenner, Richard; Dimitriadi, Christina et al.

Ingår i Physics Letters B, 2025

• DOI för Measurement of top-quark pair production in association with charm quarks in proton-proton collisions at √s=13 TeV with the ATLAS detector
• Ladda ner fulltext (pdf) av Measurement of top-quark pair production in association with charm quarks in proton-proton collisions at √s=13 TeV with the ATLAS detector

Search for supersymmetry using vector boson fusion signatures and missing transverse momentum in pp collisions at √s=13 TeV with the ATLAS detector

Aad, G.; Bergeås Kuutmann, Elin; Brenner, Richard; Dimitriadi, Christina et al.

Ingår i Journal of High Energy Physics (JHEP), 2024

• DOI för Search for supersymmetry using vector boson fusion signatures and missing transverse momentum in pp collisions at √s=13 TeV with the ATLAS detector
• Ladda ner fulltext (pdf) av Search for supersymmetry using vector boson fusion signatures and missing transverse momentum in pp collisions at √s=13 TeV with the ATLAS detector

Search for a light CP-odd Higgs boson decaying into a pair of τ-leptons in proton-proton collisions at √ˆšs=13 TeV with the ATLAS detector

Aad, G.; Bergeås Kuutmann, Elin; Brenner, Richard; Dimitriadi, Christina et al.

Ingår i Journal of High Energy Physics (JHEP), 2024

• DOI för Search for a light CP-odd Higgs boson decaying into a pair of τ-leptons in proton-proton collisions at √ˆšs=13 TeV with the ATLAS detector
• Ladda ner fulltext (pdf) av Search for a light CP-odd Higgs boson decaying into a pair of τ-leptons in proton-proton collisions at √ˆšs=13 TeV with the ATLAS detector

Baler - Machine Learning Based Compression of Scientific Data

Folkesson, Fritjof Bengtsson; Doglioni, Caterina; Ekman, Per Alexander; Gallén, Axel et al.

Ingår i 26th International Conference on Computing in High Energy and Nuclear Physics, CHEP 2023, 2024

• DOI för Baler - Machine Learning Based Compression of Scientific Data
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