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Search for nonresonant pair production of Higgs bosons in the bb¯bb¯ final state in pp collisions at √s=13 TeV with the ATLAS detector
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SYSNO ASEP 0579025 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Search for nonresonant pair production of Higgs bosons in the bb¯bb¯ final state in pp collisions at √s=13 TeV with the ATLAS detector Author(s) Aad, G. (FR)
Abbott, B. (US)
Abeling, K. (DE)
Chudoba, Jiří (FZU-D) RID, ORCID
Federičová, Pavla (FZU-D) ORCID
Hejbal, Jiří (FZU-D) RID, 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
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 2897 Article number 052003 Source Title Physical Review D. - : American Physical Society - ISSN 2470-0010
Roč. 108, č. 5 (2023)Number of pages 38 s. Language eng - English Country US - United States Keywords pp: colliding beams ; Higgs particle: pair production ; p p: scattering ; gluon gluon: fusion Subject RIV BF - Elementary Particles and High Energy Physics OECD category Particles and field physics Research Infrastructure CERN-CZ III - 90240 - Fyzikální ústav AV ČR, v. v. i. Method of publishing Open access Institutional support FZU-D - RVO:68378271 UT WOS 001084444200001 EID SCOPUS 85176014404 DOI 10.1103/PhysRevD.108.052003 Annotation A search for nonresonant Higgs boson pair production in the bb¯bb¯ final state is presented. The analysis uses 126 fb-1 of pp collision data at s=13 TeV collected with the ATLAS detector at the Large Hadron Collider, and targets both the gluon-gluon fusion and vector-boson fusion production modes. No evidence of the signal is found and the observed (expected) upper limit on the cross section for nonresonant Higgs boson pair production is determined to be 5.4 (8.1) times the Standard Model predicted cross section at 95% confidence level. Constraints are placed on modifiers to the HHH and HHVV couplings. The observed (expected) 2σ constraints on the HHH coupling modifier, κλ, are determined to be [-3.5,11.3] ([-5.4,11.4]), while the corresponding constraints for the HHVV coupling modifier, κ2V, are [-0.0,2.1] ([-0.1,2.1]). Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2024 Electronic address https://hdl.handle.net/11104/0347901
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