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Accès ouvert déclaré 2023 article

Search for nonresonant Higgs boson pair production in the four leptons plus twob jets final state in proton-proton collisions at $$ \sqrt{s} $$ = 13 TeV

8Citations signalées — pas une note de qualité
196Institutions déclarées
46Pays d’affiliation déclarés

Résumé fourni par la source

Abstract The first search for nonresonant production of Higgs boson pairs (HH) with one H decaying into four leptons and the other into a pair of b quarks is presented, using proton-proton collisions recorded at a center-of-mass energy of $$ \sqrt{s} $$ s = 13 TeV by the CMS experiment. The analyzed data correspond to an integrated luminosity of 138 fb−1. A 95% confidence level upper limit of 32.4 is set on the signal strength modifier μ, defined as the ratio of the observed HH production rate in the $$ \textrm{HH}\to {\textrm{ZZ}}^{\ast}\textrm{b}\overline{\textrm{b}}\to 4\ell \textrm{b}\overline{\textrm{b}} $$ HH → ZZ ∗ b b ¯ → 4 ℓ b b ¯ decay channel to the standard model (SM) expectation. Possible modifications of the H trilinear coupling λHHH with respect to the SM value are investigated. The coupling modifier κλ, defined as λHHH divided by its SM prediction, is constrained to be within the observed (expected) range −8.8 (−9.8) < κλ< 13.4 (15.0) at 95% confidence level.

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Contrôle bibliographique ouvert

DOI retrouvé dans Crossref DOI retrouvé ; titre concordant.

Titre Crossref
Search for nonresonant Higgs boson pair production in the four leptons plus twob jets final state in proton-proton collisions at $$ \sqrt{s} $$ = 13 TeV
Date Crossref
22/06/2023
Éditeur
Springer Science and Business Media LLC
Type
journal-article

Ce recoupement confirme des métadonnées liées au DOI. Il ne confirme ni la méthode ni les conclusions de l’étude et ne compte pas comme une seconde source scientifique indépendante.

Institutions déclarées

A. Alikhanyan National LaboratoryInstitute of High Energy PhysicsUniversity of AntwerpVrije Universiteit BrusselUniversité Libre de BruxellesGhent University HospitalUCLouvainCentro Brasileiro de Pesquisas FísicasUniversidade do Estado do Rio de JaneiroUniversidade Federal do ABCBulgarian Academy of SciencesInstitute for Nuclear Research and Nuclear EnergySofia University "St. Kliment Ohridski"University of TarapacáBeihang UniversityTsinghua UniversityInstitute of High Energy PhysicsPeking UniversitySun Yat-sen UniversityFudan UniversityInstitute of Modern PhysicsZhejiang UniversityUniversidad de Los AndesUniversidad de AntioquiaUniversity of SplitRuđer Bošković InstituteUniversity of CyprusCharles UniversityNational Polytechnic SchoolUniversidad San Francisco de QuitoAcademy of Scientific Research and TechnologyFayoum UniversityNational Institute of Chemical Physics and BiophysicsUniversity of HelsinkiHelsinki Institute of PhysicsLappeenranta-Lahti University of TechnologyCommissariat à l'Énergie Atomique et aux Énergies AlternativesUniversité Paris-SaclayCEA Paris-SaclayInstitut de Recherche sur les Lois Fondamentales de l'UniversCentre National de la Recherche ScientifiqueÉcole PolytechniqueInstitut National de Physique Nucléaire et de Physique des ParticulesLaboratoire Leprince-RinguetInstitut Pluridisciplinaire Hubert CurienUniversité de StrasbourgInstitute of Nuclear Physics of LyonInstitut de Physique des 2 Infinis de LyonGeorgian Technical UniversityRWTH Aachen UniversityDeutsches Elektronen-Synchrotron DESYUniversität HamburgKarlsruhe Institute of TechnologyNational Centre of Scientific Research "Demokritos"Institute of Nuclear and Particle PhysicsNational and Kapodistrian University of AthensNational Technical University of AthensUniversity of IoanninaEötvös Loránd UniversityHUN-REN Wigner Research Centre for PhysicsHUN-REN Institute for Nuclear ResearchUniversity of DebrecenKároly Róbert University CollegePanjab UniversityUniversity of DelhiSaha Institute of Nuclear PhysicsIndian Institute of Technology MadrasBhabha Atomic Research CentreTata Institute of Fundamental ResearchNational Institute of Science Education and ResearchHomi Bhabha National InstituteIndian Institute of Science Education and Research PuneIsfahan University of TechnologyInstitute for Research in Fundamental SciencesUniversity College DublinIstituto Nazionale di Fisica Nucleare, Sezione di BariIstituto Nazionale di Fisica Nucleare, Sezione di BolognaIstituto Nazionale di Fisica Nucleare, Sezione di CataniaIstituto Nazionale di Fisica Nucleare, Sezione di FirenzeIstituto Nazionale di Fisica Nucleare, Laboratori Nazionali di FrascatiIstituto Nazionale di Fisica Nucleare, Sezione di GenovaIstituto Nazionale di Fisica Nucleare, Sezione di Milano BicoccaIstituto Nazionale di Fisica Nucleare, Sezione di NapoliIstituto Nazionale di Fisica Nucleare, Sezione di PadovaUniversity of Naples Federico IIIstituto Nazionale di Fisica Nucleare, Sezione di PaviaIstituto Nazionale di Fisica Nucleare, Sezione di PerugiaIstituto Nazionale di Fisica Nucleare, Sezione di PisaIstituto Nazionale di Fisica Nucleare, Sezione di Roma IIstituto Nazionale di Fisica Nucleare, Sezione di TorinoUniversity of TriesteIstituto Nazionale di Fisica Nucleare, Sezione di TriesteKyungpook National UniversityChonnam National UniversityHanyang UniversityKorea UniversityKyung Hee UniversitySejong UniversitySeoul National UniversityUniversity of SeoulYonsei UniversitySungkyunkwan UniversityAmerican University of the Middle EastRiga Technical UniversityVilnius UniversityUniversity of MalayaUniversidad de SonoraInstituto Politécnico NacionalCentro de Investigación y de Estudios Avanzados del Instituto Politécnico NacionalIbero American UniversityBenemérita Universidad Autónoma de PueblaUniversity of MontenegroAbdus Salam Centre for PhysicsAGH University of KrakowNational Centre for Nuclear ResearchUniversity of WarsawLIP - Laboratory of Instrumentation and Experimental Particle PhysicsUniversity of BelgradeCentro de Investigaciones Energéticas, Medioambientales y TecnológicasUniversidad Autónoma de MadridUniversidad de OviedoUniversidad de CantabriaInstituto de Física de CantabriaUniversity of ColomboUniversity of RuhunaEuropean Organization for Nuclear ResearchPaul Scherrer InstituteETH ZurichUniversity of ZurichNational Central UniversityNational Taiwan UniversityChulalongkorn UniversityCukurova UniversityMiddle East Technical UniversityBoğaziçi UniversityIstanbul Technical UniversityIstanbul UniversityInstitute for Scintillation MaterialsKharkiv Institute of Physics and TechnologyUniversity of BristolRutherford Appleton LaboratoryImperial College LondonBrunel University of LondonBaylor UniversityUniversity of AmericaCatholic University of AmericaUniversity of AlabamaBoston UniversityBrown UniversityUniversity of California, DavisUniversity of California, Los AngelesUniversity of California, RiversideUniversity of California San DiegoUniversity of California, Santa BarbaraCalifornia Institute of TechnologyCarnegie Mellon UniversityUniversity of Colorado BoulderCornell UniversityFermi National Accelerator LaboratoryUniversity of FloridaFlorida State UniversityFlorida Institute of TechnologyUniversity of Illinois ChicagoUniversity of IowaJohns Hopkins UniversityUniversity of KansasKansas State UniversityLawrence Livermore National LaboratoryUniversity of Maryland, College ParkMassachusetts Institute of TechnologyUniversity of MinnesotaUniversity of MississippiUniversity of Nebraska–LincolnUniversity at Buffalo, State University of New YorkNortheastern UniversityNorthwestern UniversityUniversity of Notre DameThe Ohio State UniversityPrinceton UniversityUniversity of Puerto Rico-MayaguezPurdue University West LafayettePurdue University NorthwestRice UniversityUniversity of RochesterRockefeller UniversityRutgers, The State University of New JerseyUniversity of Tennessee at KnoxvilleTexas A&M UniversityTexas Tech UniversityVanderbilt UniversityUniversity of VirginiaWayne State UniversityUniversity of Wisconsin–MadisonUniversity of SouthamptonAcademy of Sciences Republic of UzbekistanInstitute of Nuclear Physics

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Sujets associés

Particle physics theoretical and experimental studiesHigh-Energy Particle Collisions ResearchParticle Detector Development and Performance

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