Počet záznamů: 1  

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

  1. 1.
    0577268 - FZÚ 2024 RIV DE eng J - Článek v odborném periodiku
    Aad, G. - Abbott, B. - Abbott, D.C. - Chudoba, Jiří - Hejbal, Jiří - Jačka, Petr - Kepka, Oldřich - Kroll, Jiří - Kupčo, Alexander - Latoňová, Věra - Lokajíček, Miloš - Lysák, Roman - Marčišovský, Michal - Mikeštíková, Marcela - Němeček, Stanislav - Penc, Ondřej - Šícho, Petr - Staroba, Pavel - Svatoš, Michal - Taševský, Marek … celkem 2899 autorů
    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.
    Journal of High Energy Physics. Roč. 2023, č. 6 (2023), č. článku 188. ISSN 1029-8479. E-ISSN 1029-8479
    Výzkumná infrastruktura: CERN-CZ III - 90240
    Institucionální podpora: RVO:68378271
    Klíčová slova: exotics * Hadron-Hadron Scattering * p p: colliding beams * leptoquark: pair production
    Obor OECD: Particles and field physics
    Impakt faktor: 5.4, rok: 2022
    Způsob publikování: Open access

    A search for pair-produced scalar and vector leptoquarks decaying into quarks and leptons of different generations is presented. It uses the full LHC Run 2 (2015–2018) data set of 139 fb−1−1 collected with the ATLAS detector in proton–proton collisions at a centre-of-mass energy of ss ​ = 13 TeV. Scalar leptoquarks with charge −(1/3)e as well as scalar and vector leptoquarks with charge +(2/3)e are considered. All possible decays of the pair-produced leptoquarks into quarks of the third generation (t, b) and charged or neutral leptons of the first or second generation (e, μ, ν) with exactly one electron or muon in the final state are investigated. No significant deviations from the Standard Model expectation are observed. Upper limits on the production cross-section are provided for eight models as a function of the leptoquark mass and the branching ratio of the leptoquark into the charged or neutral lepton.
    Trvalý link: https://hdl.handle.net/11104/0346478

     
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