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Search for New Resonances Decaying to Pairs of Merged Diphotons in Proton-Proton Collisions at $\sqrt{s}$=13 TeV

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207Institutions déclarées
50Pays d’affiliation déclarés

Résumé fourni par la source

A search is presented for an extended Higgs sector with two new particles, X and $\phi$, in the process X $\to$$\phi\phi$$\to$$(\gamma\gamma)(\gamma\gamma)$. Novel neural networks classify events with diphotons that are merged and determine the diphoton masses. The search uses LHC proton-proton collision data at $\sqrt{s}$ = 13 TeV collected with the CMS detector, corresponding to an integrated luminosity of 138 fb$^{-1}$. No evidence of such resonances is seen. Upper limits are set on the production cross section versus the resonance masses, representing the most sensitive search in this channel.

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Institutions déclarées

A. Alikhanyan National LaboratoryTU WienUniversity of AntwerpVrije Universiteit BrusselGene Therapy LaboratoryEuropean Union of Medical SpecialistsUCLouvainUniversidade do Estado do Rio de JaneiroSofie Biosciences (United States)SurgOne Foregut InstituteUniversity of TarapacáBeihang UniversityTsinghua UniversityNanjing Normal UniversityInstitute of High Energy PhysicsFudan UniversityEIA UniversityUniversidad de AntioquiaUniversity of SplitRuđer Bošković InstituteUniversity of CyprusCharles UniversitySt. Charles HospitalNational Polytechnic SchoolUniversidad San Francisco de QuitoSuez Canal UniversityBritish University in EgyptModern AcademyFayoum UniversityNational Institute of Chemical Physics and BiophysicsHelsinki Institute of PhysicsLappeenranta-Lahti University of TechnologyInstitut de Recherche sur les Lois Fondamentales de l'UniversPurdue University West LafayetteÉcole PolytechniqueUniversité de Haute-AlsaceInstitut Pluridisciplinaire Hubert CurienInstitute of Nuclear Physics of LyonInstitut de Physique des 2 Infinis de LyonGeorgian Technical UniversityFH AachenErzincan Binali Yıldırım UniversityIsfahan University of TechnologyBrandenburg University of Applied SciencesForschungszentrum JülichKarlsruhe Institute of TechnologyDemocritus University of ThraceAthens State UniversityNTL Institute for Applied Behavioral ScienceAbiola Ajimobi Technical University IbadanUniversity of IoanninaUniversity of DebrecenInstitute for Particle and Nuclear PhysicsEötvös Loránd UniversityPanjab UniversityUniversity of DelhiVisva-Bharati UniversityIndian Institute of Technology MadrasIndian Institute of Management BangaloreIndian Institute of Science BangaloreTata Institute of Fundamental ResearchNational Institute of Science Education and ResearchIndian Institute of Technology BhubaneswarInstitute of Physics, BhubaneshwarIndian Institute of Science Education and Research PuneSharif University of TechnologyUniversity of Science and Technology of MazandaranUniversity College DublinIstituto Nazionale di Fisica Nucleare, Sezione di BariUniversity of Bari Aldo MoroHelwan UniversityIstituto Nazionale di Fisica Nucleare, Sezione di BolognaIstituto Nazionale di Fisica Nucleare, Sezione di CataniaFlorence (Netherlands)Frascati ScienzaMarconi UniversityLaboratori Guglielmo Marconi (Italy)Genoa (Brazil)Istituto Nazionale di Fisica Nucleare, Sezione di GenovaIstituto Nazionale di Fisica Nucleare, Sezione di Milano BicoccaNaples Anesthesia & Physician AssociatesFermi National Accelerator LaboratoryIstituto Nazionale di Fisica Nucleare, Laboratori Nazionali di LegnaroAin Shams UniversityIstituto Nazionale di Fisica Nucleare, Sezione di PaviaIstituto Nazionale di Fisica Nucleare, Sezione di PerugiaIstituto Nazionale di Fisica Nucleare, Sezione di PisaScuola Normale SuperioreIstituto Nazionale di Fisica Nucleare, Sezione di Roma IIstituto Nazionale di Fisica Nucleare, Sezione di TorinoUniversity of TurinIstituto Nazionale di Fisica Nucleare, Sezione di TriesteGangneung–Wonju National UniversityChonnam National UniversityChonnam National University HospitalHanyang UniversityKyung Hee UniversitySejong UniversityUniversity of SeoulYonsei UniversitySungkyunkwan UniversityRiga High Tech UniversityVilnius UniversityVilnius University of Applied SciencesMalayan Colleges LagunaUniversity of MalayaUniversitas MalahayatiUniversidad de SonoraCentro de Investigación y de Estudios Avanzados del Instituto Politécnico NacionalSecretaría de Ciencia, Humanidades, Tecnología e InnovaciónIbero American UniversityUniversidad IberoamericanaUniversidad de PueblaUniversity of MontenegroCanterbury CollegeQuaid-i-Azam UniversityAGH University of KrakowNational Centre for Nuclear ResearchUniversity of WarsawWarsaw University of TechnologyTechin (Poland)LIP - Laboratory of Instrumentation and Experimental Particle PhysicsUniversity of BelgradeGrade Medical (Czechia)Ipca Laboratories (India)Vienna Institute for Nature Conservation & AnalysesUnidades Centrales Científico-TécnicasCentro de Investigaciones Energéticas, Medioambientales y TecnológicasUniversidad Autónoma de MadridUniversidad de OviedoInstituto de Física de CantabriaUniversity of ColomboUniversity of RuhunaETH ZurichStefan Meyer Institute for Subatomic PhysicsNational Central UniversityLaboratoire d’Annecy de Physique des ParticulesNational Taiwan UniversityChulalongkorn UniversityCukurova UniversityAdıyaman UniversityMiddle East Technical UniversityBoğaziçi UniversityMarmara UniversityKafkas UniversityIstanbul Technical UniversityHacettepe UniversityYıldız Technical UniversityInstitute for Scintillation MaterialsAt BristolUniversity of BristolBristol HospitalSaint Thomas - Rutherford HospitalUniversity of SouthamptonBrunel University of LondonUniversidad de AméricaUniversity of AlabamaUniversity of West AlabamaBoston UniversityBrown UniversityBethel CollegeBethel UniversityShorter CollegeBethel UniversityKaramanoğlu Mehmetbey UniversityUniversity of California, DavisUniversity of California, RiversideUniversity of California San DiegoUniversity of California, Santa BarbaraCalifornia Institute of TechnologyCarnegie Mellon UniversityUniversity of Colorado SystemCornell UniversityUnited States Naval AcademyFlorida Department of StateFlorida Institute of TechnologyUniversity of ChicagoBingöl UniversitySinop UniversityJohns Hopkins UniversityJohns Hopkins University School of Advanced International StudiesUniversity of KansasHoria Hulubei National Institute for R and D in Physics and Nuclear EngineeringLawrence Livermore National SecurityUniversity of Minnesota SystemUniversity of MississippiUniversity of Nebraska–LincolnUniversity of Nebraska SystemBuffalo State UniversityUniversity at Buffalo, State University of New YorkNorthwestern UniversityNotre Dame of Dadiangas UniversityState Library of OhioUniversity of Puerto Rico-MayaguezPurdue University NorthwestRice UniversityUniversity of RochesterRockefeller UniversityRutgers, The State University of New JerseyRutgers Sexual and Reproductive Health and RightsUniversity of Tennessee SystemTexas A&M University at QatarTexas Tech UniversityVanderbilt HealthUrology of VirginiaWayne State CollegeUniversity of Wisconsin System

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Sujets associés

Particle physics theoretical and experimental studiesParticle Detector Development and PerformanceHigh-Energy Particle Collisions Research

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