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Search for scalar resonances decaying into μ.sup.+./sup. μ.sup.−./sup. in events with and without b-tagged jets produced in proton-proton collisions at √s=13 TeV with the ATLAS detector

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    0522264 - FZÚ 2020 RIV US eng J - Journal Article
    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 … Total 2928 authors
    Search for scalar resonances decaying into μ+ μ in events with and without b-tagged jets produced in proton-proton collisions at √s=13 TeV with the ATLAS detector.
    Journal of High Energy Physics. Roč. 2019, č. 7 (2019), s. 1-41, č. článku 117. ISSN 1029-8479. E-ISSN 1029-8479
    Research Infrastructure: CERN-CZ - 90058
    Institutional support: RVO:68378271
    Keywords : ATLAS * CERN LHC Coll * background * experimental results * 13000 GeV-cms
    OECD category: Particles and field physics
    Impact factor: 5.875, year: 2019
    Method of publishing: Open access

    A search for a narrow scalar resonance decaying into an opposite-sign muon pair produced in events with and without b-tagged jets is presented in this paper. The search uses 36.1 fb−1 of s√=13 TeV proton-proton collision data recorded by the ATLAS experiment at the LHC. No significant excess of events above the expected Standard Model background is observed in the investigated mass range of 0.2 to 1.0 TeV. The observed upper limits at 95% confidence level on the cross section times branching ratio for b-quark associated production and gluon-gluon fusion are between 1.9 and 41 fb and 1.6 and 44 fb respectively, which is consistent with expectations.

    Permanent Link: http://hdl.handle.net/11104/0306783

     
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