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Search for the nonresonant and resonant production of a Higgs boson in association with an additional scalar boson in the γγττ final state in proton-proton collisions at $$ \sqrt{s}=13 $$ TeV

2Citations signalées — pas une note de qualité
280Institutions déclarées
55Pays d’affiliation déclarés

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A bstract The results of a search for the production of two scalar bosons in final states with two photons and two tau leptons are presented. The search considers both nonresonant production of a Higgs boson pair, HH, and resonant production via a new boson X which decays either to HH or to H and a new scalar Y. The analysis uses up to 138 fb − 1 of proton-proton collision data, recorded between 2016 and 2018 by the CMS experiment at the LHC at a center-of-mass energy of 13 TeV. No evidence for signal is found in the data. For the nonresonant production, the observed (expected) upper limit at 95% confidence level (CL) on the HH production cross section is set at 930 (740) fb, corresponding to 33 (26) times the standard model prediction. At 95% CL, HH production is observed (expected) to be excluded for values of κ λ outside the range between −12 (−9.4) and 17 (15). Observed (expected) upper limits at 95% CL for the X → HH cross section are found to be within 160 to 2200 (200 to 1800) fb, depending on the mass of X. In the X → Y(ττ)H(γγ) search, the observed (expected) upper limits on the product of the production cross section and decay branching fractions vary between 0.059–1.2 fb (0.087–0.68 fb). For the X → Y(γγ)H(ττ) search the observed (expected) upper limits on the product of the production cross section and Y → γγ branching fraction vary between 0.69–15 fb (0.73–8.3 fb) in the low Y mass search, tightening constraints on the next-to-minimal supersymmetric standard model, and between 0.64–10 fb (0.70–7.6 fb) in the high Y mass search.

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DOI retrouvé dans Crossref DOI retrouvé ; titre concordant.

Titre Crossref
Search for the nonresonant and resonant production of a Higgs boson in association with an additional scalar boson in the γγττ final state in proton-proton collisions at $$ \sqrt{s}=13 $$ TeV
Date Crossref
15/05/2026
Éditeur
Springer Science and Business Media LLC
Type
journal-article

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Institutions déclarées

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Alikhanyan National LaboratoryYerevan State UniversityInstitute of High Energy PhysicsIndian Institute of Technology MadrasTU WienUniversity of California, Santa BarbaraUniversity of AntwerpVrije Universiteit BrusselGhent University HospitalUniversité Libre de BruxellesUniversity of Notre DameUCLouvainTata Institute of Fundamental ResearchCentro Brasileiro de Pesquisas FísicasUniversidade do Estado do Rio de JaneiroInstituto de Estudios AvanzadosInstituto Politécnico NacionalFaculdade BrasilUniversidade Estadual de Campinas (UNICAMP)Universidade Federal do Rio Grande do SulUniversidade Federal do ABCBulgarian Academy of SciencesSofia University "St. Kliment Ohridski"University of TarapacáBeihang UniversityTsinghua UniversityUniversity of Chinese Academy of SciencesPeking UniversityChina Center of Advanced Science and TechnologyUniversity of Puerto Rico SystemChina Spallation Neutron SourceCalifornia Institute of TechnologyUniversity of FloridaEuropean Organization for Nuclear ResearchMassachusetts Institute of TechnologyDeutsches Elektronen-Synchrotron DESYSouth China Normal UniversityKyung Hee UniversityUniversity of Science and Technology of ChinaNanjing Normal UniversityHenan Normal UniversityUniversity of Shanghai for Science and TechnologyUniversity of IowaFlorida State UniversityNational Taiwan UniversityInstitute of Modern PhysicsZhejiang UniversityUniversidad de AntioquiaUniversity of SplitRuđer Bošković InstituteUniversity of CyprusCharles UniversityNational Polytechnic SchoolUniversidad San Francisco de QuitoCairo UniversitySuez UniversityBritish University in EgyptFayoum 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'UniversPurdue University West LafayetteCentre National de la Recherche ScientifiqueÉcole PolytechniqueInstitut National de Physique Nucléaire et de Physique des ParticulesLaboratoire Leprince-RinguetUniversité de Haute-AlsaceInstitut Pluridisciplinaire Hubert CurienUniversité de StrasbourgCentre de Calcul de l’Institut National de Physique Nucléaire et de Physique des ParticulesInstitute of Nuclear Physics of LyonInstitut de Physique des 2 Infinis de LyonIstinye UniversityGeorgian Technical UniversityRWTH Aachen UniversityUniversity of California San DiegoUniversidade do Estado do AmazonasUniversität HamburgUniversity of WuppertalBrandenburg University of Technology Cottbus-SenftenbergForschungszentrum JülichKyungpook National UniversityNational Central UniversityNational Centre of Scientific Research "Demokritos"Institute of Nuclear and Particle PhysicsNational and Kapodistrian University of AthensNational Technical University of AthensUniversity of IoanninaHUN-REN Wigner Research Centre for PhysicsHUN-REN Institute for Nuclear ResearchBabeș-Bolyai UniversityEötvös Loránd UniversityAssiut UniversityUniversity of DebrecenKároly Róbert University CollegePanjab UniversityPunjab Agricultural UniversityUniversity of DelhiSaha Institute of Nuclear PhysicsVisva-Bharati UniversityWayne State UniversityAmity UniversityUniversity of Wisconsin–MadisonNational Institute of Science Education and ResearchHomi Bhabha National InstituteIndian Institute of Technology BhubaneswarIndian Institute of Science Education and Research KolkataIndian Institute of Science Education and Research MohaliIndian Institute of Science Education and Research, BhopalUniversity of HyderabadIndian Institute of Science Education and Research BerhampurIndian Institute of Science Education and Research, TirupatiIsfahan University of TechnologySharif University of TechnologyInstitute for Research in Fundamental SciencesUniversity of Science and Technology of MazandaranArak UniversityUniversity College DublinIstituto Nazionale di Fisica Nucleare, Sezione di BariUniversity of Bari Aldo MoroPolytechnic University of BariHelwan UniversityIstituto Nazionale di Fisica Nucleare, Sezione di BolognaUniversity of BolognaNational Agency for New Technologies, Energy and Sustainable Economic DevelopmentUniversity of PerugiaIstituto Nazionale di Fisica Nucleare, Sezione di PerugiaUniversity of CataniaIstituto Nazionale di Fisica Nucleare, Sezione di CataniaCentro Siciliano di Fisica Nucleare e di Struttura della MateriaIstituto Nazionale di Fisica Nucleare, Sezione di FirenzeUniversity of FlorenceIstituto Nazionale di Fisica Nucleare, Laboratori Nazionali di FrascatiMarconi UniversityIstituto Nazionale di Fisica Nucleare, Sezione di GenovaUniversity of GenoaIstituto Nazionale di Fisica Nucleare, Sezione di Milano BicoccaUniversity of Milano-BicoccaIstituto Nazionale di Fisica Nucleare, Sezione di NapoliUniversity of Naples Federico IIUniversity of BasilicataIstituto Nazionale di Fisica Nucleare, Sezione di PadovaFermi National Accelerator LaboratoryUniversity of PaduaLuleå University of TechnologyIstituto Nazionale di Fisica Nucleare, Sezione di PaviaUniversity of PaviaIstituto Officina dei MaterialiIstituto Nazionale di Fisica Nucleare, Sezione di PisaScuola Normale SuperioreUniversity of PisaUniversity of SienaIbero American UniversityIstituto Nazionale di Fisica Nucleare, Sezione di Roma ISapienza University of RomeIstituto Nazionale di Fisica Nucleare, Sezione di TorinoUniversity of TurinUniversità degli Studi del Piemonte Orientale “Amedeo Avogadro”University of TriesteIstituto Nazionale di Fisica Nucleare, Sezione di TriesteSeoul National UniversitySungkyunkwan UniversityTexas Tech UniversitySejong UniversityChonnam National UniversityMitchell InstituteTexas A&M UniversityHanyang UniversityUniversity of Illinois ChicagoUniversity of SeoulYonsei UniversityAmerican University of the Middle EastKuwait UniversityKuwait College of Science and TechnologyRiga Technical UniversityUniversity of LatviaVilnius UniversityUniversity of MalayaNational University of MalaysiaUniversidad de SonoraBenemérita Universidad Autónoma de PueblaUniversity of MontenegroUniversity of CanterburyQuaid-i-Azam UniversityJagiellonian UniversityAGH University of KrakowNational Centre for Nuclear ResearchUniversity of WarsawWarsaw University of TechnologyLIP - Laboratory of Instrumentation and Experimental Particle PhysicsUniversity of BelgradeCentro de Investigaciones Energéticas, Medioambientales y TecnológicasUniversity of AlabamaUniversidad Autónoma de MadridUniversidad de OviedoUniversidad de CantabriaInstituto de Física de CantabriaUniversity of ColomboEastern University, Sri LankaTrincomalee HospitalUniversity of RuhunaÉcole Polytechnique Fédérale de LausanneUniversity of ZurichInstitute of Particle PhysicsStefan Meyer Institute for Subatomic PhysicsLaboratoire d’Annecy de Physique des ParticulesChulalongkorn UniversityTunis El Manar UniversityCukurova UniversityNear East UniversityKonya Technical UniversityIzmir UniversityBakırçay ÜniversitesiAdıyaman UniversityMiddle East Technical UniversityYozgat Bozok ÜniversitesiBoğaziçi UniversityMarmara UniversityMilli Savunma ÜniversitesiKafkas UniversityIstanbul Technical UniversityOkan UniversityHacettepe UniversityErzincan Binali Yıldırım UniversityIstanbul UniversityIstanbul University-CerrahpaşaYıldız Technical UniversityInstitute for Scintillation MaterialsKharkiv Institute of Physics and TechnologyUniversity of BristolRutherford Appleton LaboratoryUniversity of SouthamptonImperial Valley CollegeDurham UniversityMonash UniversityBrunel University of LondonBaylor UniversityCatholic University of AmericaBrown UniversityShorter CollegeKaramanoğlu Mehmetbey UniversityUniversity of California, DavisUniversity of California SystemUniversity of California, RiversideCarnegie Mellon UniversityUniversity of Colorado BoulderUniversity of Colorado SystemCornell UniversityUnited States Naval AcademyFlorida Institute of TechnologyAin Shams UniversityBingöl UniversitySinop UniversityErciyes UniversityJohns Hopkins UniversityUniversity of KansasHoria Hulubei National Institute for R and D in Physics and Nuclear EngineeringFZU ‒ Institute of Physics of the Academy of Sciences of the Czech RepublicKansas State UniversityUniversity of Maryland, College ParkVanderbilt UniversityUniversity of Minnesota SystemUniversity of Nebraska–LincolnUniversity at Buffalo, State University of New YorkUniversidad del NoresteThe Ohio State UniversityPrinceton UniversityPurdue University NorthwestRice UniversityUniversity of RochesterRutgers, The State University of New JerseyUniversity of Tennessee at KnoxvilleTexas A&M University at QatarUniversity of VirginiaAcademy of Sciences Republic of Uzbekistan

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Sujets associés

Particle physics theoretical and experimental studiesHigh-Energy Particle Collisions ResearchQuantum Chromodynamics and Particle Interactions

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