Počet záznamů: 1  

Search for low-mass resonances decaying into two jets and produced in association with a photon using pp collisions at √s =13 TeV with the ATLAS detector

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    0520522 - FZÚ 2020 RIV NL 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 … celkem 2918 autorů
    Search for low-mass resonances decaying into two jets and produced in association with a photon using pp collisions at √s =13 TeV with the ATLAS detector.
    Physics Letters. B. Roč. 795, Aug (2019), s. 56-75. ISSN 0370-2693. E-ISSN 1873-2445
    Grant CEP: GA MŠMT LM2015058
    Institucionální podpora: RVO:68378271
    Klíčová slova: ATLAS * CERN LHC Coll * benchmark * experimental results * 13000 GeV-cms
    Obor OECD: Particles and field physics
    Impakt faktor: 4.384, rok: 2019
    Způsob publikování: Open access

    A search is performed for localised excesses in dijet mass distributions of low-dijet-mass events produced in association with a high transverse energy photon. The search uses up to 79.8 fb −1 of LHC proton–proton collisions collected by the ATLAS experiment at a centre-of-mass energy of 13 TeV during 2015–2017. Two variants are presented: one which makes no jet flavour requirements and one which requires both jets to be tagged as b -jets. The observed mass distributions are consistent with multi-jet processes in the Standard Model. The data are used to set upper limits on the production cross-section for a benchmark Z′ model and, separately, on generic Gaussian-shape contributions to the mass distributions, extending the current ATLAS constraints on dijet resonances to the mass range between 225 and 1100 GeV.

    Trvalý link: http://hdl.handle.net/11104/0305186

     
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