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Accès ouvert déclaré 2017 article

Search for narrow resonances in dilepton mass spectra in proton–proton collisions at s=13 TeV and combination with 8 TeV data

85Citations signalées — pas une note de qualité
185Institutions déclarées
42Pays d’affiliation déclarés

Résumé fourni par la source

A search for narrow resonances in dielectron and dimuon invariant mass spectra has been performed using data obtained from proton–proton collisions at s = 13 TeV collected with the CMS detector. The integrated luminosity for the dielectron sample is 2.7 fb −1 and for the dimuon sample 2.9 fb −1 . The sensitivity of the search is increased by combining these data with a previously analyzed set of data obtained at s = 8 TeV and corresponding to a luminosity of 20 fb −1 . No evidence for non-standard-model physics is found, either in the 13 TeV data set alone, or in the combined data set. Upper limits on the product of production cross section and branching fraction have also been calculated in a model-independent manner to enable interpretation in models predicting a narrow dielectron or dimuon resonance structure. Limits are set on the masses of hypothetical particles that could appear in new-physics scenarios. For the Z SSM ′ particle, which arises in the sequential standard model, and for the superstring inspired Z ψ ′ particle, 95% confidence level lower mass limits for the combined data sets and combined channels are found to be 3.37 and 2.82 TeV, respectively. The corresponding limits for the lightest Kaluza–Klein graviton arising in the Randall–Sundrum model of extra dimensions with coupling parameters 0.01 and 0.10 are 1.46 and 3.11 TeV, respectively. These results significantly exceed the limits based on the 8 TeV LHC data.

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Contrôle bibliographique ouvert

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

Titre Crossref
Search for narrow resonances in dilepton mass spectra in proton–proton collisions at <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si1.gif" overflow="scroll"><mml:msqrt><mml:mi>s</mml:mi></mml:msqrt><mml:mo>=</mml:mo><mml:mn>13</mml:mn><mml:mtext> </mml:mtext><mml:mtext>TeV</mml:mtext></mml:math> and combination with 8 TeV data
Date Crossref
01/05/2017
Éditeur
Elsevier BV
Type
journal-article

Ce recoupement confirme des métadonnées liées au DOI. Il ne confirme ni la méthode ni les conclusions de l’étude et ne compte pas comme une seconde source scientifique indépendante.

Institutions déclarées

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Alikhanyan National LaboratoryInstitute of High Energy PhysicsBelarusian National Technical UniversityUniversity of AntwerpVrije Universiteit BrusselUniversité Libre de BruxellesVanderbilt UniversityGhent University HospitalUCLouvainUniversity of MonsCentro Brasileiro de Pesquisas FísicasUniversidade do Estado do Rio de JaneiroUniversity of FloridaUniversidade Federal do Estado do Rio de JaneiroUniversidade PaulistaUniversidade Estadual Paulista (Unesp)Universidade Federal do ABCInstitute for Nuclear Research and Nuclear EnergySofia University "St. Kliment Ohridski"University of Nebraska–LincolnInstitute of High Energy PhysicsBeihang UniversityPeking UniversityCommissariat à l'Énergie Atomique et aux Énergies AlternativesUniversité Paris-SaclayCEA Paris-SaclayInstitut de Recherche sur les Lois Fondamentales de l'UniversCalifornia Institute of TechnologyUniversidad de Los AndesUniversity of Maryland, College ParkRuđer Bošković InstituteUniversity of SplitCharles UniversityAcademy of Scientific Research and TechnologyUniversity of CyprusEgyptian Universities NetworkNational Institute of Chemical Physics and BiophysicsUniversidad San Francisco de QuitoUniversity of HelsinkiHelsinki Institute of PhysicsLappeenranta-Lahti University of TechnologyCentre National de la Recherche ScientifiqueÉcole PolytechniqueInstitut National de Physique Nucléaire et de Physique des ParticulesLaboratoire Leprince-RinguetInstitut Pluridisciplinaire Hubert CurienSaha Institute of Nuclear PhysicsLyon 1 UniversitéInstitute of Nuclear Physics of LyonRWTH Aachen UniversityUniversité de Haute-AlsaceUniversité de StrasbourgNovosibirsk State UniversityCentre de Calcul de l’Institut National de Physique Nucléaire et de Physique des ParticulesGeorgian Technical UniversityNational Research Nuclear University MEPhITbilisi State UniversityDeutsches Elektronen-Synchrotron DESYMax Planck Institute for Nuclear PhysicsUniversität HamburgUniversity of ZurichEuropean Organization for Nuclear ResearchHUN-REN Wigner Research Centre for PhysicsUniversity of DebrecenUniversity of DelhiNational Centre of Scientific Research "Demokritos"Institute of Nuclear and Particle PhysicsNational and Kapodistrian University of AthensUniversity of IoanninaTata Institute of Fundamental ResearchEötvös Loránd UniversityIndian Institute of Science Education and Research PuneHUN-REN Institute for Nuclear ResearchInstitute for Research in Fundamental SciencesNational Institute of Science Education and ResearchPanjab UniversityIstituto Nazionale di Fisica Nucleare, Sezione di BariBhabha Atomic Research CentreIstituto Nazionale di Fisica Nucleare, Sezione di CataniaIndian Institute of Technology MadrasIstituto Nazionale di Fisica Nucleare, Sezione di FirenzeIstituto Nazionale di Fisica Nucleare, Laboratori Nazionali di FrascatiNational Central UniversityIstituto Nazionale di Fisica Nucleare, Sezione di Milano BicoccaIstituto Nazionale di Fisica Nucleare, Sezione di NapoliUniversity College DublinIstituto Nazionale di Fisica Nucleare, Sezione di PadovaIstituto Nazionale di Fisica Nucleare, Sezione di BolognaIstituto Nazionale di Fisica Nucleare, Sezione di PerugiaIstituto Nazionale di Fisica Nucleare, Sezione di PisaETH ZurichIstituto Nazionale di Fisica Nucleare, Sezione di TorinoIstituto Nazionale di Fisica Nucleare, Sezione di GenovaUniversity of TriesteIstituto Nazionale di Fisica Nucleare, Sezione di TriesteKyungpook National UniversityKorea UniversityHanyang UniversityUniversity of MalayaIstituto Nazionale di Fisica Nucleare, Sezione di PaviaVilnius UniversityBenemérita Universidad Autónoma de PueblaIstituto Nazionale di Fisica Nucleare, Sezione di Roma INational Centre for Nuclear ResearchLIP - Laboratory of Instrumentation and Experimental Particle PhysicsJoint Institute for Nuclear ResearchCentro de Investigaciones Energéticas, Medioambientales y TecnológicasUniversity of SeoulSungkyunkwan UniversityLomonosov Moscow State UniversitySeoul National UniversityInstitute for High Energy PhysicsInstituto Politécnico NacionalCentro de Investigación y de Estudios Avanzados del Instituto Politécnico NacionalIbero American UniversityAutonomous University of San Luis PotosíUniversity of AucklandUniversity of CanterburyAbdus Salam Centre for PhysicsUniversidad de OviedoUniversidad de CantabriaInstituto de Física de CantabriaUniversity of WarsawPetersburg Nuclear Physics InstituteInstitute for Nuclear ResearchInstitute for Theoretical and Experimental PhysicsP.N. Lebedev Physical Institute of the Russian Academy of SciencesRutherford Appleton LaboratoryPaul Scherrer InstituteUniversity of BelgradeVinča Institute of Nuclear SciencesImperial College LondonUniversidad Autónoma de MadridNational Taiwan UniversityCukurova UniversityChulalongkorn UniversityMiddle East Technical UniversityUniversity of BristolFermi National Accelerator LaboratoryBrunel University of LondonUniversity of California San DiegoUniversity of AlabamaBrown UniversityUniversity of California, DavisUniversity of California, Santa BarbaraUniversity of California, RiversideBoğaziçi UniversityUniversity of IowaUniversity of KansasIstanbul Technical UniversityUniversity of Colorado BoulderInstitute for Scintillation MaterialsKharkiv Institute of Physics and TechnologyCornell UniversityBaylor UniversityFlorida International UniversityUniversity of Illinois ChicagoUniversity of California, Los AngelesJohns Hopkins UniversityUniversity of Wisconsin–MadisonThe Ohio State UniversityMassachusetts Institute of TechnologyCarnegie Mellon UniversityFlorida State UniversityUniversity at Buffalo, State University of New YorkFairfield UniversityNortheastern UniversityNorthwestern UniversityUniversity of Notre DamePurdue University West LafayetteUniversity of MinnesotaPrinceton UniversityRutgers, The State University of New JerseyPurdue University NorthwestRice UniversityUniversity of RochesterFlorida Institute of TechnologyUniversity of Tennessee at KnoxvilleTexas Tech UniversityUniversity of VirginiaKansas State UniversityLawrence Livermore National LaboratoryUniversity of MississippiTexas A&M UniversityWayne State University

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