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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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SYSNO ASEP 0520522 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title 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 Author(s) Aaboud, M. (MA)
Aad, G. (FR)
Abbott, B. (US)
Chudoba, Jiří (FZU-D) RID, ORCID
Hejbal, Jiří (FZU-D) RID, ORCID
Hladík, Ondřej (FZU-D) ORCID
Jačka, Petr (FZU-D) ORCID
Jakoubek, Tomáš (FZU-D) RID, ORCID
Kepka, Oldřich (FZU-D) RID, ORCID
Kroll, Jiří (FZU-D) ORCID
Kupčo, Alexander (FZU-D) RID, 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, ORCIDNumber of authors 2918 Source Title Physics Letters. B. - : Elsevier - ISSN 0370-2693
Roč. 795, Aug (2019), s. 56-75Number of pages 20 s. Language eng - English Country NL - Netherlands Keywords ATLAS ; CERN LHC Coll ; benchmark ; experimental results ; 13000 GeV-cms Subject RIV BF - Elementary Particles and High Energy Physics OECD category Particles and field physics R&D Projects LM2015058 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) Method of publishing Open access Institutional support FZU-D - RVO:68378271 UT WOS 000477924000009 EID SCOPUS 85066862895 DOI 10.1016/j.physletb.2019.03.067 Annotation 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.
Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2020 Electronic address http://hdl.handle.net/11104/0305186
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