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Observation of electroweak production of two jets in association with an isolated photon and missing transverse momentum, and search for a Higgs boson decaying into invisible particles at 13 TeV with the ATLAS detector

SYSNO ASEP	0565755
Document Type	J - Journal Article
R&D Document Type	Journal Article
Subsidiary J	Článek ve WOS
Title	Observation of electroweak production of two jets in association with an isolated photon and missing transverse momentum, and search for a Higgs boson decaying into invisible particles at 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 authors	2899
Article number	105
Source Title	European Physical Journal C. - : Springer - ISSN 1434-6044 Roč. 82, č. 2 (2022)
Number of pages	41 s.
Language	eng - English
Country	DE - Germany
Keywords	transverse momentum: missing-energy ; Higgs particle: invisible decay ; vector boson: fusion
Subject RIV	BF - Elementary Particles and High Energy Physics
OECD category	Particles and field physics
Research Infrastructure	CERN-CZ II - 90104 - Fyzikální ústav AV ČR, v. v. i. e-INFRA CZ - 90140 - CESNET, zájmové sdružení právnických osob
Method of publishing	Open access
Institutional support	FZU-D - RVO:68378271
UT WOS	000751762900004
EID SCOPUS	85128586484
DOI	10.1140/epjc/s10052-021-09878-z
Annotation	This paper presents a measurement of the electroweak production of two jets in association with a ZγZγ pair, with the Z boson decaying into two neutrinos. It also presents a search for invisible or partially invisible decays of a Higgs boson with a mass of 125 GeVGeV produced through vector-boson fusion with a photon in the final state. These results use data from LHC proton–proton collisions at ss = 13 TeVTeV collected with the ATLAS detector and corresponding to an integrated luminosity of 139 fb−1fb−1. The event signature, shared by all benchmark processes considered for the measurements and searches, is characterized by a significant amount of unbalanced transverse momentum and a photon in the final state, in addition to a pair of forward jets. Electroweak ZγZγ production in association with two jets is observed in this final state with a significance of 5.2 (5.1 expected) standard deviations.
Workplace	Institute of Physics
Contact	Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579
Year of Publishing	2023
Electronic address	https://hdl.handle.net/11104/0337264

Number of the records: 1