Search for boosted vector boson scattering $W^{\pm}W^{\pm}H$ production in final states with same-sign leptons and $b$-jets in proton-proton collisions at $\sqrt{s}=$13 TeV with the ATLAS detector
Year: 2026
Type: preprint
Abstract: A search for the electroweak production of a Higgs boson in association with a same-sign $W$ boson pair and two forward jets ($W^{\pm}W^{\pm}Hjj$) is presented. The full Run 2 proton-proton collision dataset recorded at a center-of-mass energy of $\sqrt{s}=13$ TeV by the ATLAS detector at the Large Hadron Collider is used, corresponding to an integrated luminosity of 140 fb$^{-1}$. The search targets events where both $W$ bosons decay leptonically, yielding a final state with two same-sign charged leptons, missing transverse momentum, and a Higgs boson candidate. The high-momentum Higgs-boson candidate decaying into a $b\bar{b}$ pair is reconstructed as a single large-radius jet. This process provides direct sensitivity to the quartic $WWHH$ interaction. Possible deviations from the Standard Model prediction are parameterized through the coupling modifier $κ_{WW}$, where $κ_{WW}=1$ corresponds to the Standard Model. No significant excess over the Standard Model prediction is observed. Upper limits at the 95% confidence level are set on the $W^{\pm}W^{\pm}Hjj$ production cross-section as a function of $κ_{WW}$. Observed (expected) values of $κ_{WW}$ outside the interval $-2.1 < κ_{WW} < 4.1$ ($-1.9 < κ_{WW} < 3.9$) are excluded.
Source: arXiv (Cornell University)
Author: ATLAS Collaboration
Subfield: Nuclear and High Energy Physics
Field: Physics and Astronomy
Domain: Physical Sciences
Open Access status: green
Funders: National Science Foundation, U.S. Department of Energy, John Templeton Foundation, Alexander von Humboldt-Stiftung, Canarie, TRIUMF, CERN, UK Research and Innovation, Ministerio de Ciencia, Innovación y Universidades, Centres de Recerca de Catalunya, Türkiye Enerji, Nükleer ve Maden Araştırma Kurumu, Leverhulme Trust, Royal Society, European Commission, Deutsche Forschungsgemeinschaft, Agence Nationale de la Recherche, Ministry of Education, Culture, Sports, Science and Technology, Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung, Danmarks Grundforskningsfond, Fundação de Amparo à Pesquisa do Estado de São Paulo, National Natural Science Foundation of China, Ministerstvo Školství, Mládeže a Tělovýchovy, Grantová Agentura České Republiky, Austrian Science Fund, Carl Tryggers Stiftelse för Vetenskaplig Forskning, Generalitat de Catalunya, Ministry of Science and Technology of the People's Republic of China, Nederlandse Organisatie voor Wetenschappelijk Onderzoek, Generalitat Valenciana, Ministero dell’Istruzione, dell’Università e della Ricerca, Bundesministerium für Wissenschaft, Forschung und Wirtschaft, Conselho Nacional de Desenvolvimento Científico e Tecnológico, Knut och Alice Wallenbergs Stiftelse, Max-Planck-Gesellschaft, Vetenskapsrådet, Ministerstwo Edukacji i Nauki, Centre National de la Recherche Scientifique, Ministerio de Ciencia e Innovación, Centre National pour la Recherche Scientifique et Technique, Forskningsrådet om Hälsa, Arbetsliv och Välfärd, Istituto Nazionale di Fisica Nucleare, Narodowa Agencja Wymiany Akademickiej, Agencia Nacional de Investigación y Desarrollo, National Science and Technology Council, Ministero dell'Università e della Ricerca, Horizon 2020 Framework Programme, Natural Sciences and Engineering Research Council of Canada, Science and Technology Facilities Council, Japan Society for the Promotion of Science, Fundação para a Ciência e a Tecnologia, Agència de Gestió d'Ajuts Universitaris i de Recerca, Agencia Nacional de Promoción Científica y Tecnológica, British Columbia Knowledge Development Fund, European Regional Development Fund, Agencia Estatal de Investigación, Fundamental Research Funds for the Central Universities, Institut National de Physique Nucléaire et de Physique des Particules, European Social Fund, H2020 European Research Council, H2020 Marie Skłodowska-Curie Actions, HORIZON EUROPE Marie Sklodowska-Curie Actions
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OpenAlex ID: W7214129208
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