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Search for bottom-squark pair production in pp collision events at √s=13 TeV with hadronically decaying tau-leptons, b-jets, and missing transverse momentum using the ATLAS detector

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    0548472 - FZÚ 2022 RIV US eng J - Článek v odborném periodiku
    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 … celkem 2929 autorů
    Search for bottom-squark pair production in pp collision events at √s=13 TeV with hadronically decaying tau-leptons, b-jets, and missing transverse momentum using the ATLAS detector.
    Physical Review D. Roč. 104, č. 3 (2021), č. článku 032014. ISSN 2470-0010. E-ISSN 2470-0029
    Grant CEP: GA MŠk(CZ) LTT17018
    Výzkumná infrastruktura: CERN-CZ II - 90104
    Institucionální podpora: RVO:68378271
    Klíčová slova: ATLAS * tau: hadronic decay * neutralino * squark: pair production
    Obor OECD: Particles and field physics
    Impakt faktor: 5.407, rok: 2021
    Způsob publikování: Open access

    A search for pair production of bottom squarks in events with hadronically decaying τ-leptons, b-tagged jets, and large missing transverse momentum is presented. The analyzed dataset is based on proton-proton collisions at s=13  TeV delivered by the Large Hadron Collider and recorded by the ATLAS detector from 2015 to 2018, and corresponds to an integrated luminosity of 139  fb-1. The observed data are compatible with the expected Standard Model background. Results are interpreted in a simplified model where each bottom squark is assumed to decay into the second-lightest neutralino χ˜20 and a bottom quark, with χ˜20 decaying into a Higgs boson and the lightest neutralino χ˜10. The search focuses on final states where at least one Higgs boson decays into a pair of hadronically decaying τ-leptons.
    Trvalý link: http://hdl.handle.net/11104/0324503

     
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