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Article: Constraints on the Higgs boson self-coupling from single- and double-Higgs production with the ATLAS detector using pp collisions at & RADIC;s=13 TeV

TitleConstraints on the Higgs boson self-coupling from single- and double-Higgs production with the ATLAS detector using pp collisions at & RADIC;s=13 TeV
Authors
Issue Date14-Jun-2023
PublisherElsevier
Citation
Physics Letters B, 2023, v. 843, p. 1-20 How to Cite?
Abstract

Constraints on the Higgs boson self-coupling are set by combining double-Higgs boson analyses in the bb over bar bb over bar , bb over bar & tau;+& tau;- and bb over bar & gamma; & gamma; decay channels with single-Higgs boson analyses targeting the & gamma;& gamma;, Z Z*, W W *, & tau;+& tau;- and bb over bar decay channels. The data used in these analyses were recorded by the ATLAS detector at the LHC in proton-proton collisions at & RADIC;s = 13 TeV and correspond to an integrated luminosity of 126-139 fb-1. The combination of the double-Higgs analyses sets an upper limit of & mu;HH < 2.4 at 95% confidence level on the double-Higgs production cross-section normalised to its Standard Model prediction. Combining the single-Higgs and double-Higgs analyses, with the assumption that new physics affects only the Higgs boson self-coupling (& lambda;HHH), values outside the interval -0.4 < & kappa;& lambda; = (& lambda;HHH/& lambda;SM H H H ) < 6.3 are excluded at 95% confidence level. The combined single-Higgs and double-Higgs analyses provide results with fewer assumptions, by adding in the fit more coupling modifiers introduced to account for the Higgs boson interactions with the other Standard Model particles. In this relaxed scenario, the constraint becomes -1.4 < & kappa;& lambda; < 6.1 at 95% CL.


Persistent Identifierhttp://hdl.handle.net/10722/338463
ISSN
2023 Impact Factor: 4.3
2023 SCImago Journal Rankings: 1.593
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorAad, G-
dc.contributor.authorAbbott, B-
dc.contributor.authorAbbott, DC-
dc.contributor.authorAbeling, K-
dc.contributor.authorAbidi, SH-
dc.contributor.authorAboulhorma, A-
dc.contributor.authorAbramowicz, H-
dc.contributor.authorAbreu, H-
dc.contributor.authorAbulaiti, Y-
dc.contributor.authorAbusleme, Hoffman AC-
dc.contributor.authorAcharya, BS-
dc.contributor.authorAchkar, B-
dc.contributor.authorAdam, L-
dc.contributor.authorAdam, Bourdarios C-
dc.contributor.authorAdamczyk, L-
dc.contributor.authorAdamek, L-
dc.contributor.authorAddepalli, SV-
dc.contributor.authorAdelman, J-
dc.contributor.authorAdiguzel, A-
dc.contributor.authorAdorni, S-
dc.contributor.authorAdye, T-
dc.contributor.authorAffolder, AA-
dc.contributor.authorAfik, Y-
dc.contributor.authorAgaras, MN-
dc.contributor.authorAgarwala, J-
dc.contributor.authorAggarwal, A-
dc.contributor.authorAgheorghiesei, C-
dc.contributor.authorAguilar-Saavedra, JA-
dc.contributor.authorAhmad, A-
dc.contributor.authorAhmadov, F-
dc.contributor.authorAhmed, WS-
dc.contributor.authorAi, X-
dc.contributor.authorAielli, G-
dc.contributor.authorAizenberg, I-
dc.contributor.authorAkbiyik, M-
dc.contributor.authorAkesson, TPA-
dc.contributor.authorAkimov, AV-
dc.contributor.authorAl, Khoury K-
dc.contributor.authorAlberghi, GL-
dc.contributor.authorAlbert, J-
dc.contributor.authorAlbicocco, P-
dc.contributor.authorAlconada, Verzini MJ-
dc.contributor.authorAlderweireldt, S-
dc.contributor.authorAleksa, M-
dc.contributor.authorAleksandrov, IN-
dc.contributor.authorAlexa, C-
dc.contributor.authorAlexopoulos, T-
dc.contributor.authorAlfonsi, A-
dc.contributor.authorAlfonsi, F-
dc.contributor.authorAlhroob, M-
dc.contributor.authorAli, B-
dc.contributor.authorAli, S-
dc.contributor.authorAliev, M-
dc.contributor.authorAlimonti, G-
dc.contributor.authorAllaire, C-
dc.contributor.authorTu, Yanjun-
dc.contributor.authorHuang, Shuhui-
dc.contributor.authorTam, Kai Chung-
dc.contributor.authorPeng, Chen-
dc.contributor.authorParedes Hernandez, Daniela Katherinne-
dc.contributor.authoret al -
dc.date.accessioned2024-03-11T10:29:05Z-
dc.date.available2024-03-11T10:29:05Z-
dc.date.issued2023-06-14-
dc.identifier.citationPhysics Letters B, 2023, v. 843, p. 1-20-
dc.identifier.issn0370-2693-
dc.identifier.urihttp://hdl.handle.net/10722/338463-
dc.description.abstract<p>Constraints on the Higgs boson self-coupling are set by combining double-Higgs boson analyses in the bb over bar bb over bar , bb over bar & tau;+& tau;- and bb over bar & gamma; & gamma; decay channels with single-Higgs boson analyses targeting the & gamma;& gamma;, Z Z*, W W *, & tau;+& tau;- and bb over bar decay channels. The data used in these analyses were recorded by the ATLAS detector at the LHC in proton-proton collisions at & RADIC;s = 13 TeV and correspond to an integrated luminosity of 126-139 fb-1. The combination of the double-Higgs analyses sets an upper limit of & mu;HH < 2.4 at 95% confidence level on the double-Higgs production cross-section normalised to its Standard Model prediction. Combining the single-Higgs and double-Higgs analyses, with the assumption that new physics affects only the Higgs boson self-coupling (& lambda;HHH), values outside the interval -0.4 < & kappa;& lambda; = (& lambda;HHH/& lambda;SM H H H ) < 6.3 are excluded at 95% confidence level. The combined single-Higgs and double-Higgs analyses provide results with fewer assumptions, by adding in the fit more coupling modifiers introduced to account for the Higgs boson interactions with the other Standard Model particles. In this relaxed scenario, the constraint becomes -1.4 < & kappa;& lambda; < 6.1 at 95% CL.</p>-
dc.languageeng-
dc.publisherElsevier-
dc.relation.ispartofPhysics Letters B-
dc.rightsThis work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.-
dc.titleConstraints on the Higgs boson self-coupling from single- and double-Higgs production with the ATLAS detector using pp collisions at & RADIC;s=13 TeV-
dc.typeArticle-
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1016/j.physletb.2023.137745-
dc.identifier.scopuseid_2-s2.0-85164519627-
dc.identifier.volume843-
dc.identifier.spage1-
dc.identifier.epage20-
dc.identifier.eissn1873-2445-
dc.identifier.isiWOS:001037066800001-
dc.publisher.placeAMSTERDAM-
dc.identifier.issnl0370-2693-

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