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Measurements of Higgs boson production and couplings in the four-lepton channel in pp collisions at center-of-mass energies of 7 and 8 TeV with the ATLAS detector

238Citations signalées, ce qui n’est pas une note de qualité
246Institutions déclarées
39Pays d’affiliation déclarés

Rattachement africain : fr, us, tw, az, nl, ca, il, ch, se, it, pl, de, gb, rs, es, pt, ru, jp, ar, gr, dk, br, sk, tr, cz, Afrique du Sud, cn, au, Maroc, by, cl, no, si, ge, hk, at, am, co, ro. Niveau de preuve : code pays fourni par la source.

Le résumé fourni par la source

The final ATLAS Run 1 measurements of Higgs boson production and couplings in the decay channel $H\ensuremath{\rightarrow}Z{Z}^{*}\ensuremath{\rightarrow}{\ensuremath{\ell}}^{+}{\ensuremath{\ell}}^{\ensuremath{-}}{\ensuremath{\ell}}^{\ensuremath{'}+}{\ensuremath{\ell}}^{\ensuremath{'}\ensuremath{-}}$, where $\ensuremath{\ell}$, ${\ensuremath{\ell}}^{\ensuremath{'}}=e$ or $\ensuremath{\mu}$, are presented. These measurements were performed using $pp$ collision data corresponding to integrated luminosities of 4.5 and $20.3\text{ }\text{ }{\mathrm{fb}}^{\ensuremath{-}1}$ at center-of-mass energies of 7 and 8 TeV, respectively, recorded with the ATLAS detector at the LHC. The $H\ensuremath{\rightarrow}Z{Z}^{*}\ensuremath{\rightarrow}4\ensuremath{\ell}$ signal is observed with a significance of 8.1 standard deviations, with an expectation of 6.2 standard deviations, at ${m}_{H}=125.36\text{ }\text{ }\mathrm{GeV}$, the combined ATLAS measurement of the Higgs boson mass from the $H\ensuremath{\rightarrow}\ensuremath{\gamma}\ensuremath{\gamma}$ and $H\ensuremath{\rightarrow}Z{Z}^{*}\ensuremath{\rightarrow}4\ensuremath{\ell}$ channels. The production rate relative to the Standard Model expectation, the signal strength, is measured in four different production categories in the $H\ensuremath{\rightarrow}Z{Z}^{*}\ensuremath{\rightarrow}4\ensuremath{\ell}$ channel. The measured signal strength, at this mass, and with all categories combined, is ${1.44}_{\ensuremath{-}0.33}^{+0.40}$. The signal strength for Higgs boson production in gluon fusion or in association with $t\overline{t}$ or $b\overline{b}$ pairs is found to be ${1.7}_{\ensuremath{-}0.4}^{+0.5}$, while the signal strength for vector-boson fusion combined with $WH/ZH$ associated production is found to be ${0.3}_{\ensuremath{-}0.9}^{+1.6}$.

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Le contrôle bibliographique ouvert

DOI retrouvé dans Crossref DOI retrouvé, mais le titre doit être comparé manuellement.

Titre Crossref
Measurements of Higgs boson production and couplings in the four-lepton channel in<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mi>p</mml:mi><mml:mi>p</mml:mi></mml:mrow></mml:math>collisions at center-of-mass energies of 7 and 8 TeV with the ATLAS detector
Date Crossref
16/01/2015
Éditeur
American Physical Society (APS)
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 SinicaUniversité Paris-SudAzerbaijan National Academy of SciencesNational Institute for Subatomic PhysicsUniversity of AmsterdamOklahoma State UniversityMichigan State UniversityUniversity of TorontoTel Aviv UniversityTechnion – Israel Institute of TechnologyEuropean Organization for Nuclear ResearchStockholm UniversityThe Abdus Salam International Centre for Theoretical Physics (ICTP)Istituto Nazionale di Fisica Nucleare, Sezione di TriesteIstituto Nazionale di Fisica Nucleare, Gruppo Collegato di UdineAGH University of KrakowBrookhaven National LaboratoryYale UniversityLudwig-Maximilians-Universität MünchenRutherford Appleton LaboratoryUniversity of BelgradeUniversidad de GranadaLIP - Laboratory of Instrumentation and Experimental Particle PhysicsUniversity of BernBoston UniversityJoint Institute for Nuclear ResearchUniversity of Rome Tor VergataIstituto Nazionale di Fisica Nucleare, Roma Tor VergataLund UniversityThe University of TokyoP.N. Lebedev Physical Institute of the Russian Academy of SciencesOsservatorio astronomico di BolognaIstituto Nazionale di Fisica Nucleare, Sezione di BolognaUniversity of BolognaUniversity of VictoriaLaboratoire de Physique Subatomique et de CosmologieUniversité Grenoble AlpesConsejo Nacional de Investigaciones Científicas y TécnicasInstituto de Física La PlataUniversidad Nacional de La PlataUniversity of GenevaNational Technical University of AthensUniversity of UdineIstituto Nazionale di Fisica Nucleare, Sezione di MilanoFermi National Accelerator LaboratoryUniversity of ChicagoUniversity of BirminghamLancaster UniversityUniversity of LiverpoolIstituto Nazionale di Fisica Nucleare, Sezione di NapoliUniversity of CopenhagenQueen Mary University of LondonColumbia UniversityHigh Energy Accelerator Research OrganizationUniversidade Federal do Rio de JaneiroBrandeis UniversityUniversity of MichiganUniversity of CoimbraUniversity of LisbonUniversity of FreiburgUniversity of SheffieldHeidelberg UniversityUniversity of MilanNational 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, 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 OxfordSLAC National Accelerator LaboratoryDuke UniversityInstitute of Particle PhysicsUniversité de MontréalBoğaziçi UniversityUniversidad Autónoma de MadridUniversity of CambridgeUniversity of BonnInstitute for Theoretical and Experimental PhysicsArgonne National LaboratoryComenius University BratislavaUniversity of Illinois Urbana-ChampaignUniversity of SiegenCzech Technical University in PragueUniversity of JohannesburgRoma Tre UniversityIstituto 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 ThessalonikiSapienza University of RomeChinese Academy of SciencesInstitute of High Energy PhysicsCharles UniversityInstitute of Nuclear Physics, Polish Academy of SciencesUniversity of Wisconsin–MadisonUniversity of WuppertalWeizmann Institute of ScienceThe University of MelbourneIstituto Nazionale di Fisica Nucleare, Sezione di GenovaUniversity of GenoaMax Planck Institute for PhysicsLawrence Berkeley National LaboratoryUniversity of California, BerkeleyLaboratoire d’Annecy de Physique des ParticulesHarvard UniversityUniversity of SussexUniversity of GlasgowUniversity of California, Santa CruzUniversité Paris CitéSorbonne UniversitéLaboratoire de Physique Nucléaire et de Hautes ÉnergiesTufts UniversityUniversity of PisaIstituto Nazionale di Fisica Nucleare, Sezione di PisaUniversity of WarwickGaziantep UniversityStony Brook UniversityMcGill UniversityCarleton UniversityUniversity of Massachusetts AmherstUniversity of Hassan II CasablancaYork UniversityUniversity of ReginaUppsala UniversityUniversity College LondonLouisiana Tech UniversityRoyal Holloway University of LondonRadboud University NijmegenUniversity of EdinburghUniversity of PittsburghUniversity of GöttingenThe University of SydneyUniversity of WashingtonJohannes Gutenberg University MainzNational Academy of Sciences of BelarusB.I. Stepanov Institute of PhysicsCzech Academy of SciencesFZU ‒ Institute of Physics of the Academy of Sciences of the Czech RepublicLomonosov Moscow State UniversityInstitute for High Energy PhysicsUniversity of ManchesterUniversity at Albany, State University of New YorkUniversité Clermont AuvergneLaboratoire de Physique de Clermont AuvergneClermont UniversitéMohamed I UniversityThe University of Texas at ArlingtonTokyo Metropolitan UniversityUniversity of OregonUniversity of PennsylvaniaUniversity of the WitwatersrandFederico Santa María Technical UniversityIndiana University BloomingtonUniversity of BergenSimon Fraser UniversityUniversity of OsloNorthern Illinois UniversityTU Dortmund UniversityUniversity of AlbertaUniversitat de ValènciaInstituto de Física CorpuscularInstitut de Microelectrònica de BarcelonaAnkara UniversityTRIUMFSouthern Methodist UniversityUniversity of CalabriaPontificia Universidad Católica de ChileUniversidade Federal de Juiz de ForaDoğuş UniversityIowa State UniversityShandong UniversityNanjing UniversityTsinghua UniversityKobe UniversityMohammed V UniversityUniversity of ArizonaIstituto Nazionale di Fisica Nucleare, Sezione di LeccePalacký University OlomoucUniversity of LjubljanaJožef Stefan InstituteUniversity of PaviaIstituto Nazionale di Fisica Nucleare, Sezione di PaviaUniversity of California, IrvineNew York UniversityTbilisi State UniversityFederal University of São João del-ReiUniversidade Nova de LisboaUniversidade de São PauloJustus-Liebig-Universität GießenCadi Ayyad UniversityThe University of OsakaPetersburg Nuclear Physics InstituteUniversity of British ColumbiaChinese University of Hong KongUniversität InnsbruckThe Ohio State UniversityUniversity of Science and Technology of ChinaNational Centre for Nuclear Energy, Science and TechnologyHumboldt-Universität zu BerlinUniversity of New MexicoUniversity of SalentoA. Alikhanyan National LaboratoryUniversity of Cape TownUniversity of TsukubaObayashi (Japan)Nagoya UniversityShinshu UniversityTokyo Institute of TechnologyWaseda UniversityKyoto UniversityThe University of Texas at DallasThe University of AdelaideKTH Royal Institute of TechnologyKyushu UniversityIstanbul Aydın UniversityShanghai Jiao Tong UniversityUniversidad Antonio NariñoUniversity of IowaHampton UniversityHiroshima Institute of TechnologyOkayama University of ScienceUniversity of MinhoUniversidad de Buenos AiresJagiellonian UniversityInstitute of PhysicsNational Institute for Research and Development of Isotopic and Molecular TechnologiesCentre de Calcul de l’Institut National de Physique Nucléaire et de Physique des ParticulesUniversity of WürzburgNagasaki Institute of Applied ScienceTOBB University of Economics and TechnologyKyoto University of EducationRitsumeikan UniversityMassachusetts Institute of TechnologyGazi University

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Les sujets associés

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

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