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Accès ouvert déclaré 2023 article

Studies of new Higgs boson interactions through nonresonant $HH$ production in the $ b\overline{b}\gamma \gamma $ final state in $pp$ collisions at $ \sqrt{s} $ = 13 TeV with the ATLAS detector

4Citations signalées, ce qui n’est pas une note de qualité
261Institutions déclarées
42Pays d’affiliation déclarés

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

Le résumé fourni par la source

A search for nonresonant Higgs boson pair production in the b \n¯bγγ fnal state is performed using 140 fb−1 of proton-proton collisions at a centre-of-mass energy of 13 TeV recorded by the ATLAS detector at the CERN Large Hadron Collider. This analysis supersedes and expands upon the previous nonresonant ATLAS results in this fnal state based on the same data sample. The analysis strategy is optimised to probe anomalous values not only of the Higgs (H) boson self-coupling modifier κλ but also of the quartic HHV V (V = W, Z) coupling modifier κ2V . No significant excess above the expected background from Standard Model processes is observed. An observed upper limit µHH < 4.0 is set at 95% confidence level on the Higgs boson pair production cross-section normalised to its Standard Model prediction. The 95% confidence intervals for the coupling modifiers are −1.4 < κλ < 6.9 and −0.5 < κ2V < 2.7, assuming all other Higgs boson couplings except the one under study are fixed to the Standard Model predictions. The results are interpreted in the Standard Model \neffective field theory and Higgs effective field theory frameworks in terms of constraints on the couplings of anomalous Higgs boson (self-)interactions.

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Les institutions déclarées

Centre de physique des particules de MarseilleUniversity of OklahomaUniversity of GöttingenTU Dortmund UniversityBrookhaven National LaboratoryMohammed V UniversityTel Aviv UniversityTechnion – Israel Institute of TechnologyNew York UniversityKing's College LondonIstituto Nazionale di Fisica Nucleare, Sezione di TriesteIstituto Nazionale di Fisica Nucleare, Gruppo Collegato di UdineLaboratoire d’Annecy de Physique des ParticulesInstitut National de Physique Nucléaire et de Physique des ParticulesUniversité Savoie Mont BlancJagiellonian UniversityAGH University of KrakowBrandeis UniversityUniversity of ManchesterNorthern Illinois UniversityIstanbul UniversityRutherford Appleton LaboratoryUniversity of California, Santa CruzBarcelona Institute of Science and TechnologyInstitute of Science and TechnologyUniversity of PaviaIstituto Nazionale di Fisica Nucleare, Sezione di PaviaJohannes Gutenberg University MainzAlexandru Ioan Cuza UniversityAzerbaijan National Academy of SciencesMcGill UniversityRoyal Holloway University of LondonUniversity of Science and Technology of ChinaUniversity of Rome Tor VergataIstituto Nazionale di Fisica Nucleare, Roma Tor VergataUniversitat de ValènciaInstituto de Física CorpuscularWeizmann Institute of ScienceLund UniversityWaseda UniversityUniversity of BonnBoğaziçi UniversityColumbia UniversityIstituto Nazionale di Fisica Nucleare, Sezione di BolognaUniversity of VictoriaIstituto Nazionale di Fisica Nucleare, Laboratori Nazionali di FrascatiInstitut polytechnique de GrenobleCentre National de la Recherche ScientifiqueLaboratoire de Physique Subatomique et de CosmologieUniversité Grenoble AlpesUniversity of EdinburghOklahoma State University Oklahoma CityHoria Hulubei National Institute for R and D in Physics and Nuclear EngineeringFZU ‒ Institute of Physics of the Academy of Sciences of the Czech RepublicNational Technical University of AthensUniversity of GenevaCzech Technical University in PragueLancaster UniversityAcademia SinicaUniversity of LiverpoolStony Brook UniversityIstituto Nazionale di Fisica Nucleare, Sezione di MilanoUniversité Paris-SaclayLaboratoire de Physique des 2 Infinis Irène Joliot-CurieUniversity of SussexUniversidad Técnica Federico Santa MaríaUniversity of BirminghamIstituto Nazionale di Fisica Nucleare, Sezione di NapoliConsejo Nacional de Investigaciones Científicas y TécnicasInstituto de Física La PlataUniversidad Nacional de La PlataUniversity of WashingtonUniversidad Autónoma de MadridUniversidade Federal do Rio de JaneiroLudwig-Maximilians-Universität MünchenUniversity of MichiganLIP - Laboratory of Instrumentation and Experimental Particle PhysicsUniversity of OsloUniversity of SheffieldThe University of Texas at AustinStockholm UniversityUniversity of MilanNational and Kapodistrian University of AthensLawrence Livermore National LaboratoryIstituto Nazionale di Fisica Nucleare, Sezione di PisaIstituto Nazionale di Fisica Nucleare, Sezione di Roma IHigh Energy Accelerator Research OrganizationThe University of TokyoDeutsches Elektronen-Synchrotron DESYHumboldt-Universität zu BerlinInstitute of Nuclear Physics, Polish Academy of SciencesDuke UniversityUniversité de MontréalUniversity of FreiburgNational Institute for Subatomic PhysicsSapienza University of RomeNagoya UniversityOchanomizu UniversityHarvard University PressComenius University BratislavaUniversity of California, IrvineUniversity of Cape TownUniversity of Illinois SystemThe Polytechnic University of JapanUniversité Mohammed VI PolytechniqueCalifornia University of PennsylvaniaSlovak Academy of SciencesInstitute of Experimental Physics of the Slovak Academy of SciencesCommissariat à l'Énergie Atomique et aux Énergies AlternativesCEA Paris-SaclayInstitut de Recherche sur les Lois Fondamentales de l'UniversUniversity of ThessalyAristotle University of ThessalonikiCarleton UniversityQueen Mary University of LondonYale UniversityUniversity of BelgradeThe University of Texas at ArlingtonUniversity of BolognaHeidelberg UniversityUniversity of CambridgeUniversity of PittsburghThe University of MelbourneIstituto Nazionale di Fisica Nucleare, Sezione di GenovaUniversity of GenoaMax Planck Institute for PhysicsSLAC National Accelerator LaboratoryPalacký University OlomoucUniversity of OxfordChinese Academy of SciencesAn-Najah National UniversityUniversity of GlasgowUniversity of SiegenUniversidad de Buenos AiresInstituto de Física de Buenos AiresFundación Ciencias Exactas y NaturalesUniversité Paris CitéSorbonne UniversitéSorbonne Paris CitéLaboratoire de Physique Nucléaire et de Hautes ÉnergiesTufts UniversityUniversity of BernUniversity of FribourgUniversity of WarwickIstinye UniversityUniversidade do Estado do Rio de JaneiroUnited Arab Emirates UniversityUppsala UniversityLawrence Berkeley National LaboratoryLaboratoire AstroParticule et CosmologieCharles UniversityTechnische Universität DresdenUniversity of JohannesburgUniversity of WürzburgUniversity of Colorado BoulderIstituto Nazionale di Fisica Nucleare, Sezione di Roma TreGaziantep UniversityUniversity of CalabriaUniversité Clermont AuvergneThe Ohio State UniversityUniversity of WuppertalUniversity of BergenSimon Fraser UniversityMichigan State UniversityJustus-Liebig-Universität GießenUniversity of Chinese Academy of SciencesNanjing UniversityAnkara UniversityIndiana UniversityUniversity of PisaUniversity of CopenhagenWestmont CollegeRadboud University NijmegenUniversity of the WitwatersrandUniversity of TorontoUniversitat Autònoma de BarcelonaUniversity of MinhoUniversity of SalentoIstituto Nazionale di Fisica Nucleare, Sezione di LecceUniversidade Federal de Juiz de ForaTbilisi State UniversityArgonne National LaboratoryShanghai Jiao Tong UniversityInstitute of Particle PhysicsCollaborative Innovation Center of Quantum MatterTsinghua UniversityChinese University of Hong KongUniversity of ArizonaNational Tsing Hua UniversityUniversity of LjubljanaBen-Gurion University of the NegevUniversity of UdineUniversity of LisbonParthenope University of NaplesUniversity of TrentoIstituto Nazionale di Fisica Nucleare, Trento Institute for Fundamental Physics And ApplicationsYork UniversitySouthern Methodist UniversityRoma Tre UniversityPontificia Universidad Católica de ChileMillennium InstituteUniversity of ChicagoUniversidade de São PauloUniversité Ibn-TofailLouisiana Tech UniversityShandong UniversityThe University of AdelaideCity University of New YorkUniversity of CoimbraUniversity of the Philippines DilimanUniversity of the AegeanUniversity of IowaStanford UniversityUniversity of British ColumbiaNational Centre of Scientific Research "Demokritos"University of AlbertaCentro Ricerche Enrico FermiWest University of TimişoaraCalifornia State University SystemInstitució Catalana de Recerca i Estudis AvançatsUniversity of TsukubaŌtani UniversityTokyo Institute of TechnologyIowa State UniversityTechnical University of MunichKobe UniversityThe University of OsakaUniversitatea Națională de Știință și Tehnologie Politehnica BucureștiUniversity of Hong KongYeditepe UniversityIlia State UniversityUniversity of TarapacáKyoto UniversityUniversität InnsbruckUniversidad Andrés BelloHellenic Open UniversityKTH Royal Institute of TechnologyPeking UniversityHong Kong University of Science and TechnologySun Yat-sen UniversityCentro Nacional de MicroelectrónicaInstitut de Microelectrònica de BarcelonaUniversité Toulouse III - Paul SabatierUniversité Fédérale de Toulouse Midi-PyrénéesAix-Marseille UniversitéUniversidad Antonio NariñoThe University of SydneyKyushu UniversityPremier UniversityTransylvania University of BrașovNational Institute for Research and Development of Isotopic and Molecular TechnologiesUniversidad Nacional de ColombiaUniversity of SharjahBulgarian Academy of SciencesInstitute for Nuclear Research and Nuclear EnergyWashington CollegeUniversity of La SerenaLaboratoire des 2 Infinis ToulouseTOBB University of Economics and TechnologyUniversität HamburgUniversity of California System

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Les sujets associés

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

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