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Constraints on new phenomena via Higgs boson couplings and invisible decays with the ATLAS detector

241Citations signalées, ce qui n’est pas une note de qualité
243Institutions déclarées
41Pays d’affiliation déclarés

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Le résumé fourni par la source

The ATLAS experiment at the LHC has measured the Higgs boson couplings and mass, and searched for invisible Higgs boson decays, using multiple production and decay channels with up to 4.7 fb -1 of pp collision data at √ s = 7 TeV and 20.3 fb -1 at √ s = 8 TeV.In the current study, the measured production and decay rates of the observed Higgs boson in the γγ, ZZ, W W , Zγ, bb, τ τ , and µµ decay channels, along with results from the associated production of a Higgs boson with a top-quark pair, are used to probe the scaling of the couplings with mass.Limits are set on parameters in extensions of the Standard Model including a composite Higgs boson, an additional electroweak singlet, and two-Higgs-doublet models.Together with the measured mass of the scalar Higgs boson in the γγ and ZZ decay modes, a lower limit is set on the pseudoscalar Higgs boson mass of m A > 370 GeV in the "hMSSM" simplified Minimal Supersymmetric Standard Model.Results from direct searches for heavy Higgs bosons are also interpreted in the hMSSM.Direct searches for invisible Higgs boson decays in the vector-boson fusion and associated production of a Higgs boson with W/Z (Z → ℓℓ, W/Z → jj) modes are statistically combined to set an upper limit on the Higgs boson invisible branching ratio of 0.25.The use of the measured visible decay rates in a more general coupling fit improves the upper limit to 0.23, constraining a Higgs portal model of dark matter.

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Le contrôle bibliographique ouvert

DOI retrouvé dans Crossref DOI retrouvé ; titre concordant.

Titre Crossref
Constraints on new phenomena via Higgs boson couplings and invisible decays with the ATLAS detector
Date Crossref
01/11/2015
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 il ne compte pas comme une seconde source scientifique indépendante.

Les institutions déclarées

Centre National de la Recherche ScientifiqueAix-Marseille UniversitéCentre de physique des particules de MarseilleInstitut National de Physique Nucléaire et de Physique des ParticulesUniversity of OklahomaInstitute of Physics, Academia SinicaAzerbaijan National Academy of SciencesNational Institute for Subatomic PhysicsUniversity of AmsterdamMichigan State UniversityUniversity of TorontoTel Aviv UniversityTechnion – Israel Institute of TechnologyUniversity of OregonStockholm UniversityIstituto Nazionale di Fisica Nucleare, Sezione di TriesteIstituto Nazionale di Fisica Nucleare, Gruppo Collegato di UdineAGH University of KrakowBrookhaven National LaboratoryNorthern Illinois UniversityLudwig-Maximilians-Universität MünchenRutherford Appleton LaboratoryUniversity of LiverpoolUniversity of BelgradeUniversity of GöttingenLIP - Laboratory of Instrumentation and Experimental Particle PhysicsBoston UniversityIstituto Nazionale di Fisica Nucleare, Roma Tor VergataLund UniversityP.N. Lebedev Physical Institute of the Russian Academy of SciencesIstituto Nazionale di Fisica Nucleare, Sezione di BolognaUniversity of VictoriaLaboratoire de Physique Subatomique et de CosmologieUniversité Grenoble AlpesConsejo Nacional de Investigaciones Científicas y TécnicasInstituto de Física La PlataUniversidad Nacional de La PlataEuropean Organization for Nuclear ResearchJoint Institute for Nuclear ResearchNational Technical University of AthensIstituto Nazionale di Fisica Nucleare, Sezione di MilanoFermi National Accelerator LaboratoryUniversity of ChicagoColumbia UniversityUniversity of SussexIstituto Nazionale di Fisica Nucleare, Sezione di NapoliUniversity of CopenhagenQueen Mary University of LondonUniversitat de ValènciaInstituto de Física CorpuscularInstitut de Microelectrònica de BarcelonaLawrence Berkeley National LaboratoryUniversity of California, BerkeleyHigh Energy Accelerator Research OrganizationUniversidade Federal do Rio de JaneiroBrandeis UniversityUniversity of MichiganUniversity of FreiburgUniversity of SheffieldUniversity of GenevaHeidelberg UniversityNational and Kapodistrian University of AthensTechnische Universität DresdenSiberian Branch of the Russian Academy of SciencesBudker Institute of Nuclear PhysicsUniversitat Autònoma de BarcelonaInstitute for High Energy PhysicsIstituto Nazionale di Fisica Nucleare, Sezione di PisaIstituto Nazionale di Fisica Nucleare, Laboratori Nazionali di FrascatiNational Research Nuclear University MEPhISlovak Academy of SciencesInstitute of Experimental Physics of the Slovak Academy of SciencesIstituto Nazionale di Fisica Nucleare, Sezione di Roma IUniversity of BirminghamDuke UniversityInstitute of Particle PhysicsUniversité de MontréalUniversity of IowaBoğaziçi UniversityUniversidad Autónoma de MadridUniversity of CambridgeUniversity of BonnInstitute for Theoretical and Experimental PhysicsThe University of TokyoComenius University BratislavaUniversity of Illinois Urbana-ChampaignUniversity of SiegenCzech Technical University in PragueUniversity of JohannesburgUniversité Paris-SudIstituto Nazionale di Fisica Nucleare, Sezione di Roma TreCommissariat à l'Énergie Atomique et aux Énergies AlternativesCEA Paris-SaclayInstitut de Recherche sur les Lois Fondamentales de l'UniversAristotle University of ThessalonikiChinese Academy of SciencesInstitute of High Energy PhysicsYale UniversityCharles UniversityStony Brook UniversityUniversity of ManchesterUniversity of PennsylvaniaInstitute of Nuclear Physics, Polish Academy of SciencesUniversity of Wisconsin–MadisonUniversity of WuppertalThe University of MelbourneIstituto Nazionale di Fisica Nucleare, Sezione di GenovaMax Planck Institute for PhysicsSLAC National Accelerator LaboratoryUniversité Savoie Mont BlancHarvard UniversityLancaster UniversityPetersburg Nuclear Physics InstituteUniversity of GlasgowUniversity of California, Santa CruzThe Ohio State UniversityUniversité Paris CitéSorbonne UniversitéLaboratoire de Physique Nucléaire et de Hautes ÉnergiesTufts UniversityUniversity of BernJohannes Gutenberg University MainzUniversity of WarwickGaziantep UniversityUniversity of OxfordMcGill UniversityCarleton UniversityUniversity of Massachusetts AmherstUniversity of Hassan II CasablancaYork UniversityUppsala UniversityNew York UniversityRoyal Holloway University of LondonUniversity of PittsburghHumboldt-Universität zu BerlinUniversity College LondonThe University of SydneyUniversity of WashingtonArgonne National LaboratoryLomonosov Moscow State UniversityInstitute for High Energy PhysicsChinese University of Hong KongUniversity at Albany, State University of New YorkUniversité Clermont AuvergneLaboratoire de Physique de Clermont AuvergneClermont UniversitéOklahoma State UniversityThe University of Texas at ArlingtonTokyo Metropolitan UniversityWeizmann Institute of ScienceUniversity of the WitwatersrandUniversity of EdinburghFederico Santa María Technical UniversityUniversity of BergenSimon Fraser UniversityUniversity of OsloTU Dortmund UniversityAnkara UniversityTRIUMFShanghai Jiao Tong UniversitySouthern Methodist UniversityRadboud University NijmegenPontificia Universidad Católica de ChileUniversity of Cape TownUniversidade Federal de Juiz de ForaDoğuş UniversityNanjing UniversityTsinghua UniversityMohammed V UniversityUniversity of ArizonaIstituto Nazionale di Fisica Nucleare, Sezione di LecceIndiana University BloomingtonCzech Academy of SciencesFZU ‒ Institute of Physics of the Academy of Sciences of the Czech RepublicPalacký University OlomoucUniversity of LjubljanaJožef Stefan InstituteIowa State UniversityIstituto Nazionale di Fisica Nucleare, Sezione di PaviaUniversity of California, IrvineUniversity of AlbertaUniversity of British ColumbiaOsservatorio astronomico di BolognaUniversity of BolognaMohamed I UniversityTbilisi State UniversityFederal University of São João del-ReiUniversidade de São PauloJustus-Liebig-Universität GießenCadi Ayyad UniversityThe University of OsakaShandong UniversityNagasaki Institute of Applied ScienceUniversity of Science and Technology of ChinaNational Centre for Nuclear Energy, Science and TechnologyUniversity of New MexicoLouisiana Tech UniversityA. Alikhanyan National LaboratoryNational Academy of Sciences of BelarusB.I. Stepanov Institute of PhysicsKobe UniversityShinshu UniversityUniversity of TsukubaTokyo Institute of TechnologyObayashi (Japan)Nagoya UniversityWaseda UniversityKyoto UniversityThe University of Texas at DallasThe University of AdelaideUniversität InnsbruckKyushu UniversityIstanbul Aydın UniversityUniversity of WürzburgUniversity of CalabriaUniversidad Antonio NariñoKTH Royal Institute of TechnologyHampton UniversityHiroshima Institute of TechnologyOkayama University of ScienceUniversity of GenoaUniversidad de Buenos AiresJagiellonian UniversityInstitute of PhysicsUniversity of MilanNational Institute for Research and Development of Isotopic and Molecular TechnologiesHong Kong University of Science and TechnologyUniversity of South CarolinaCentre de Calcul de l’Institut National de Physique Nucléaire et de Physique des ParticulesUniversity of PisaUniversity of LisbonUniversity of SalentoTOBB University of Economics and TechnologyRoma Tre UniversityKyoto University of EducationMassachusetts Institute of TechnologyNovosibirsk State UniversityInstitute for Particle and Nuclear PhysicsHUN-REN Wigner Research Centre for PhysicsSapienza University of RomeUniversity of CoimbraUniversity of MalayaMoscow Institute of Physics and Technology

Une affiliation ne permet pas de déduire la nationalité d’un auteur.

Les sujets associés

Particle physics theoretical and experimental studiesDark Matter and Cosmic PhenomenaParticle Detector Development and Performance

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