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Search for a heavy Higgs boson decaying into a Z boson and another heavy Higgs boson in the ℓℓbb and ℓℓWW final states in pp collisions at √s=13 TeV with the ATLAS detector

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    SYSNO ASEP0549004
    Document TypeJ - Journal Article
    R&D Document TypeJournal Article
    Subsidiary JČlánek ve WOS
    TitleSearch for a heavy Higgs boson decaying into a Z boson and another heavy Higgs boson in the ℓℓbb and ℓℓWW final states in pp collisions at √s=13 TeV with the ATLAS detector
    Author(s) Aad, G. (FR)
    Abbott, B. (US)
    Abbott, D.C. (US)
    Chudoba, Jiří (FZU-D) RID, ORCID
    Hejbal, Jiří (FZU-D) RID, ORCID
    Hladík, Ondřej (FZU-D) ORCID
    Jačka, Petr (FZU-D) ORCID
    Kepka, Oldřich (FZU-D) RID, ORCID
    Kroll, Jiří (FZU-D) ORCID
    Kupčo, Alexander (FZU-D) RID, ORCID
    Latoňová, Věra (FZU-D) ORCID
    Lokajíček, Miloš (FZU-D) RID, ORCID
    Lysák, Roman (FZU-D) RID, ORCID
    Marčišovský, Michal (FZU-D) RID, ORCID
    Mikeštíková, Marcela (FZU-D) RID, ORCID
    Němeček, Stanislav (FZU-D) RID, ORCID
    Penc, Ondřej (FZU-D) ORCID
    Šícho, Petr (FZU-D) RID, ORCID
    Staroba, Pavel (FZU-D) RID, ORCID
    Svatoš, Michal (FZU-D) RID, ORCID
    Taševský, Marek (FZU-D) RID, ORCID
    Number of authors2928
    Article number396
    Source TitleEuropean Physical Journal C. - : Springer - ISSN 1434-6044
    Roč. 81, č. 5 (2021)
    Number of pages36 s.
    Languageeng - English
    CountryDE - Germany
    KeywordsATLAS ; CERN LHC Coll ; channel cross section ; branching ratio: upper limit
    Subject RIVBF - Elementary Particles and High Energy Physics
    OECD categoryParticles and field physics
    R&D ProjectsLTT17018 GA MŠMT - Ministry of Education, Youth and Sports (MEYS)
    Research InfrastructureCERN-CZ II - 90104 - Fyzikální ústav AV ČR, v. v. i.
    Method of publishingOpen access
    Institutional supportFZU-D - RVO:68378271
    UT WOS000662180600001
    EID SCOPUS85105811017
    DOI10.1140/epjc/s10052-021-09117-5
    AnnotationA search for a heavy neutral Higgs boson, A, decaying into a Z boson and another heavy Higgs boson, H, is performed using a data sample corresponding to an integrated luminosity of 139 fb−1^{-1}−1 from proton–proton collisions at s=13sqrt{s} = 13s ​=13 TeV ext {TeV}TeV recorded by the ATLAS detector at the LHC. The search considers the Z boson decaying into electrons or muons and the H boson into a pair of b-quarks or W bosons. The mass range considered is 230–800 GeV ext {GeV}GeV for the A boson and 130–700 GeV ext {GeV}GeV for the H boson. The data are in good agreement with the background predicted by the Standard Model, and therefore 95% confidence-level upper limits for σ×B(A→ZH)×B(H→bb  or  H→WW)sigma imes B(A ightarrow ZH) imes B(H ightarrow bb, ext {or} , H ightarrow WW)σ×B(A→ZH)×B(H→bborH→WW) are set.
    WorkplaceInstitute of Physics
    ContactKristina Potocká, potocka@fzu.cz, Tel.: 220 318 579
    Year of Publishing2022
    Electronic addresshttp://hdl.handle.net/11104/0325039
Number of the records: 1  

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