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Search for pair production of scalar leptoquarks decaying into first- or second-generation leptons and top quarks in proton–proton collisions at √s = 13 TeV with the ATLAS detector

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    0549093 - FZÚ 2022 RIV DE eng J - Journal Article
    Aad, G. - Abbott, B. - Abbott, D.C. - Chudoba, Jiří - Hejbal, Jiří - Hladík, Ondřej - 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 … Total 3259 authors
    Search for pair production of scalar leptoquarks decaying into first- or second-generation leptons and top quarks in proton–proton collisions at √s = 13 TeV with the ATLAS detector.
    European Physical Journal C. Roč. 81, č. 4 (2021), č. článku 313. ISSN 1434-6044. E-ISSN 1434-6052
    R&D Projects: GA MŠMT(CZ) LTT17018
    Research Infrastructure: CERN-CZ II - 90104
    Institutional support: RVO:68378271
    Keywords : ATLAS * CERN LHC Coll * electron * muon * background
    OECD category: Particles and field physics
    Impact factor: 4.994, year: 2021
    Method of publishing: Open access

    A search for pair production of scalar leptoquarks, each decaying into either an electron or a muon and a top quark, is presented. This is the first leptoquark search using ATLAS data to investigate top-philic cross-generational couplings that could provide explanations for recently observed anomalies in B meson decays. This analysis targets high leptoquark masses which cause the decay products of each resultant top quark to be contained within a single high-pTp_{mathrm {T}}pT​ large-radius jet. The full Run 2 dataset is exploited, consisting of 139 fb−1139~hbox {fb}^{-1}139 fb−1 of data collected from proton–proton collisions at s=13 TeVsqrt{s}=13~mathrm {TeV}s ​=13 TeV from 2015 to 2018 with the ATLAS detector at the CERN Large Hadron Collider.

    Permanent Link: http://hdl.handle.net/11104/0325163

     
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