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Search for long-lived particles produced in pp collisions at √s=13 TeV that decay into displaced hadronic jets in the ATLAS muon spectrometer

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    0520707 - FZÚ 2020 RIV US eng J - Článek v odborném periodiku
    Aaboud, M. - Aad, G. - Abbott, B. - Chudoba, Jiří - Hejbal, Jiří - Hladík, Ondřej - Jačka, Petr - Jakoubek, Tomáš - 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
    Search for long-lived particles produced in pp collisions at √s=13 TeV that decay into displaced hadronic jets in the ATLAS muon spectrometer.
    Physical Review D. Roč. 99, č. 5 (2019), s. 1-36, č. článku 052005. ISSN 2470-0010. E-ISSN 2470-0029
    Grant CEP: GA MŠk LM2015058
    Institucionální podpora: RVO:68378271
    Klíčová slova: ATLAS * CERN LHC Coll * sensitivity * background * benchmark * lifetime * channel cross section: branching ratio: upper limit * data analysis method
    Kód oboru RIV: BF - Elementární částice a fyzika vys. energií
    Obor OECD: Particles and field physics
    Impakt faktor: 4.833, rok: 2019
    http://hdl.handle.net/11104/0305368

    A search for the decay of neutral, weakly interacting, long-lived particles using data collected by the ATLAS detector at the LHC is presented. The analysis in this paper uses 36.1  fb-1 of proton-proton collision data at s=13  TeV recorded in 2015–2016. The search employs techniques for reconstructing vertices of long-lived particles decaying into jets in the muon spectrometer exploiting a two-vertex strategy and a novel technique that requires only one vertex in association with additional activity in the detector that improves the sensitivity for longer lifetimes. The observed numbers of events are consistent with the expected background and limits for several benchmark signals are determined.

    Trvalý link: http://hdl.handle.net/11104/0305368
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