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  1. Article

    Open Access

    Measurement of t-channel production of single top quarks and antiquarks in pp collisions at 13 TeV using the full ATLAS Run 2 data sample

    The production of single top quarks and top antiquarks via the t-channel exchange of a virtual W boson is measured in proton-proton collisions at a centre-of-mass energy of 13 TeV at the LHC using 140 fb1 of ATL...

    G. Aad, B. Abbott, K. Abeling, N. J. Abicht, S. H. Abidi in Journal of High Energy Physics (2024)

  2. Article

    Open Access

    Electron and photon efficiencies in LHC Run 2 with the ATLAS experiment

    Precision measurements of electron reconstruction, identification, and isolation efficiencies and photon identification efficiencies are presented. They use the full Run 2 data sample collected by the ATLAS ex...

    G. Aad, B. Abbott, K. Abeling, N. J. Abicht, S. H. Abidi in Journal of High Energy Physics (2024)

  3. Article

    Open Access

    Search for electroweak production of supersymmetric particles in final states with two τ-leptons in \( \sqrt{s} \) = 13 TeV pp collisions with the ATLAS detector

    Three searches for the direct production of τ-sleptons or charginos and neutralinos in final states with at least two hadronically decaying τ-leptons are presented. For chargino and neutralino production, decays ...

    G. Aad, B. Abbott, K. Abeling, N. J. Abicht, S. H. Abidi in Journal of High Energy Physics (2024)

  4. Article

    Open Access

    Measurement of the total and differential cross-sections of \( t\overline{t}W \) production in pp collisions at \( \sqrt{s} \) = 13 TeV with the ATLAS detector

    Measurements of inclusive and differential production cross-sections of a top-quark-top-antiquark pair in association with a W boson ( ...

    G. Aad, B. Abbott, K. Abeling, N. J. Abicht, S. H. Abidi in Journal of High Energy Physics (2024)

  5. Article

    Open Access

    Test of CP-invariance of the Higgs boson in vector-boson fusion production and in its decay into four leptons

    A search for CP violation in the decay kinematics and vector-boson fusion production of the Higgs boson is performed in the HZZ* → 4 ( = e, μ) decay channel. The results are based on proton-proton collision ...

    G. Aad, B. Abbott, K. Abeling, N. J. Abicht, S. H. Abidi in Journal of High Energy Physics (2024)

  6. Article

    Open Access

    Measurement and interpretation of same-sign W boson pair production in association with two jets in pp collisions at \( \sqrt{s} \) = 13 TeV with the ATLAS detector

    This paper presents the measurement of fiducial and differential cross sections for both the inclusive and electroweak production of a same-sign W-boson pair in association with two jets (W±W±jj) using 139 fb1 o...

    G. Aad, B. Abbott, K. Abeling, N. J. Abicht, S. H. Abidi in Journal of High Energy Physics (2024)

  7. Article

    Open Access

    Search for pair production of squarks or gluinos decaying via sleptons or weak bosons in final states with two same-sign or three leptons with the ATLAS detector

    A search for pair production of squarks or gluinos decaying via sleptons or weak bosons is reported. The search targets a final state with exactly two leptons with same-sign electric charge or at least three l...

    G. Aad, B. Abbott, K. Abeling, N. J. Abicht, S. H. Abidi in Journal of High Energy Physics (2024)

  8. Article

    Open Access

    Differential cross-section measurements of the production of four charged leptons in association with two jets using the ATLAS detector

    Differential cross-sections are measured for the production of four charged leptons in association with two jets. These measurements are sensitive to final states in which the jets are produced via the strong ...

    G. Aad, B. Abbott, K. Abeling, N. J. Abicht, S. H. Abidi in Journal of High Energy Physics (2024)

  9. Article

    Open Access

    Search for flavour-changing neutral tqH interactions with H → γγ in pp collisions at \( \sqrt{s} \) = 13 TeV using the ATLAS detector

    A search for flavour-changing neutral interactions involving the top quark, the Higgs boson and an up-type quark q (q = c, u) is presented. The proton-proton collision data set used, with an integrated luminosity...

    G. Aad, B. Abbott, K. Abeling, N. J. Abicht, S. H. Abidi in Journal of High Energy Physics (2023)

  10. Article

    Open Access

    Evidence of pair production of longitudinally polarised vector bosons and study of CP properties in ZZ → 4 events with the ATLAS detector at \( \sqrt{s} \) = 13 TeV

    A study of the polarisation and CP properties in ZZ production is presented. The used data set corresponds to an integrated luminosity of 140 fb1 of proton-proton collisions at a centre-of-mass energy of 13 TeV ...

    G. Aad, B. Abbott, K. Abeling, N. J. Abicht, S. H. Abidi in Journal of High Energy Physics (2023)

  11. Article

    Open Access

    Search for vector-boson resonances decaying into a top quark and a bottom quark using pp collisions at \( \sqrt{s} \) = 13 TeV with the ATLAS detector

    A search for a new massive charged gauge boson, W′, is performed with the ATLAS detector at the LHC. The dataset used in this analysis was collected from proton-proton collisions at a centre-of-mass energy of ...

    G. Aad, B. Abbott, K. Abeling, N. J. Abicht, S. H. Abidi in Journal of High Energy Physics (2023)

  12. Article

    Open Access

    Search for heavy Higgs bosons with flavour-violating couplings in multi-lepton plus b-jets final states in pp collisions at 13 TeV with the ATLAS detector

    A search for new heavy scalars with flavour-violating decays in final states with multiple leptons and b-tagged jets is presented. The results are interpreted in terms of a general two-Higgs-doublet model involvi...

    G. Aad, B. Abbott, K. Abeling, N. J. Abicht, S. H. Abidi in Journal of High Energy Physics (2023)

  13. Article

    Open Access

    Search for single vector-like B quark production and decay via BbH( \( b\overline{b} \) ) in pp collisions at \( \sqrt{s} \) = 13 TeV with the ATLAS detector

    A search is presented for single production of a vector-like B quark decaying into a Standard Model b-quark and a Standard Model Higgs boson, which decays into a

    G. Aad, B. Abbott, D. C. Abbott, A. Abed Abud, K. Abeling in Journal of High Energy Physics (2023)

  14. Article

    Open Access

    Search for direct production of winos and higgsinos in events with two same-charge leptons or three leptons in pp collision data at \( \sqrt{s} \) = 13 TeV with the ATLAS detector

    A search for supersymmetry targeting the direct production of winos and higgsinos is conducted in final states with either two leptons (e or μ) with the same electric charge, or three leptons. The analysis uses 1...

    G. Aad, B. Abbott, D. C. Abbott, K. Abeling, S. H. Abidi in Journal of High Energy Physics (2023)

  15. Article

    Open Access

    Search for magnetic monopoles and stable particles with high electric charges in \( \sqrt{s} \) = 13 TeV pp collisions with the ATLAS detector

    We present a search for magnetic monopoles and high-electric-charge objects using LHC Run 2 s ...

    G. Aad, B. Abbott, K. Abeling, N. J. Abicht, S. H. Abidi in Journal of High Energy Physics (2023)

  16. Article

    Open Access

    Search for periodic signals in the dielectron and diphoton invariant mass spectra using 139 fb1 of pp collisions at \( \sqrt{s} \) = 13 TeV with the ATLAS detector

    A search for physics beyond the Standard Model inducing periodic signals in the dielectron and diphoton invariant mass spectra is presented using 139 fb1 of ...

    G. Aad, B. Abbott, K. Abeling, N. J. Abicht, S. H. Abidi in Journal of High Energy Physics (2023)

  17. Article

    Open Access

    Search for lepton-flavour violation in high-mass dilepton final states using 139 fb1 of pp collisions at \( \sqrt{s} \) = 13 TeV with the ATLAS detector

    A search is performed for a heavy particle decaying into different-flavour, dilepton final states, using 139 fb1 of proton-proton collision data at ...

    G. Aad, B. Abbott, K. Abeling, N. J. Abicht, S. H. Abidi in Journal of High Energy Physics (2023)

  18. Article

    Open Access

    Measurements of multijet event isotropies using optimal transport with the ATLAS detector

    A measurement of novel event shapes quantifying the isotropy of collider events is performed in 140 fb1 of proton-proton collisions with ...

    G. Aad, B. Abbott, D. C. Abbott, K. Abeling, S. H. Abidi in Journal of High Energy Physics (2023)

  19. Article

    Open Access

    Search for a new heavy scalar particle decaying into a Higgs boson and a new scalar singlet in final states with one or two light leptons and a pair of τ-leptons with the ATLAS detector

    A search for a new heavy scalar particle X decaying into a Standard Model (SM) Higgs boson and a new singlet scalar particle S is presented. The search uses a proton-proton (pp) collision data sample with an inte...

    G. Aad, B. Abbott, K. Abeling, N. J. Abicht, S. H. Abidi in Journal of High Energy Physics (2023)

  20. Article

    Open Access

    Search for leptoquarks decaying into the bτ final state in pp collisions at \( \sqrt{\textrm{s}} \) = 13 TeV with the ATLAS detector

    A search for leptoquarks decaying into the final state is performed using Run 2 proton-proton collision data from the Large Hadron Collider, corresponding to an integrated luminosity of 139 fb1 at ...

    G. Aad, B. Abbott, K. Abeling, N. J. Abicht, S. H. Abidi in Journal of High Energy Physics (2023)

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