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Search for new phenomena with top quark pairs in final states with one lepton, jets, and missing transverse momentum in pp collisions at √s = 13 TeV with the ATLAS detector

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    0548634 - FZÚ 2022 RIV US 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 - Lokajíček, Miloš - Lysák, Roman - Marčišovský, Michal - Mikeštíková, Marcela - Němeček, Stanislav - Penc, Ondřej - Šícho, Petr - Staroba, Pavel - Svatoš, Michal - Taševský, Marek … Total 2927 authors
    Search for new phenomena with top quark pairs in final states with one lepton, jets, and missing transverse momentum in pp collisions at √s = 13 TeV with the ATLAS detector.
    Journal of High Energy Physics. Roč. 2021, č. 4 (2021), č. článku 174. ISSN 1029-8479. E-ISSN 1029-8479
    R&D Projects: GA MŠk(CZ) LTT17018
    Research Infrastructure: CERN-CZ II - 90104
    Institutional support: RVO:68378271
    Keywords : ATLAS * CERN * Hadron-Hadron scattering (experiments) * supersymmetry
    OECD category: Particles and field physics
    Impact factor: 5.810, year: 2020
    Method of publishing: Open access

    A search for new phenomena with top quark pairs in final states with one isolated electron or muon, multiple jets, and large missing transverse momentum is performed. Signal regions are designed to search for two-, three-, and four-body decays of the directly pair-produced supersymmetric partner of the top quark (stop). Additional signal regions are designed specifically to search for spin-0 mediators that are produced in association with a pair of top quarks and decay into a pair of dark-matter particles. The search is performed using the Large Hadron Collider proton-proton collision dataset at a centre-of-mass energy of s sqrt{s} s ​ = 13 TeV recorded by the ATLAS detector from 2015 to 2018, corresponding to an integrated luminosity of 139 fb−1^{−1}−1.
    Permanent Link: http://hdl.handle.net/11104/0324706

     
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