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Accès ouvert déclaré 2024 article

New Structures in the J/ψJ/ψ Mass Spectrum in Proton-Proton Collisions at s=13 TeV

112Citations signalées, ce qui n’est pas une note de qualité
213Institutions déclarées
46Pays d’affiliation déclarés

Rattachement africain : am, be, at, in, kr, gb, br, mx, bg, cl, cn, us, co, hr, cy, cz, ec, Égypte, ee, fi, fr, ge, de, ch, gr, hu, ir, ie, it, kw, lv, lt, my, me, nz, pk, pl, pt, rs, es, lk, tw, th, tr, ua, pr. Niveau de preuve : code pays fourni par la source.

Le résumé fourni par la source

A search is reported for near-threshold structures in the J/ψJ/ψ invariant mass spectrum produced in proton-proton collisions at sqrt[s]=13 TeV from data collected by the CMS experiment, corresponding to an integrated luminosity of 135 fb^{-1}. Three structures are found, and a model with quantum interference among these structures provides a good description of the data. A new structure is observed with a local significance above 5 standard deviations at a mass of 6638_{-38}^{+43}(stat)_{-31}^{+16}(syst) MeV. Another structure with even higher significance is found at a mass of 6847_{-28}^{+44}(stat)_{-20}^{+48}(syst) MeV, which is consistent with the X(6900) resonance reported by the LHCb experiment and confirmed by the ATLAS experiment. Evidence for another new structure, with a local significance of 4.7 standard deviations, is found at a mass of 7134_{-25}^{+48}(stat)_{-15}^{+41}(syst) MeV. Results are also reported for a model without interference, which does not fit the data as well and shows mass shifts up to 150 MeV relative to the model with interference.

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Le contrôle bibliographique ouvert

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

Titre Crossref
New Structures in the <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mi>J</mml:mi><mml:mo>/</mml:mo><mml:mi>ψ</mml:mi><mml:mi>J</mml:mi><mml:mo>/</mml:mo><mml:mi>ψ</mml:mi></mml:mrow></mml:math> Mass Spectrum in Proton-Proton Collisions at <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msqrt><mml:mrow><mml:mi>s</mml:mi></mml:mrow></mml:msqrt><mml:mo>=</mml:mo><mml:mn>13</mml:mn><mml:mtext> </mml:mtext><mml:mtext> </mml:mtext><mml:mi>TeV</mml:mi></mml:mrow></mml:math>
Date Crossref
15/03/2024
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

A. Alikhanyan National LaboratoryUniversity of AntwerpInstitute of High Energy PhysicsIndian Institute of Technology MadrasVrije Universiteit BrusselUniversité Libre de BruxellesKorea UniversityGhent University HospitalUCLouvainRutherford Appleton LaboratoryCentro Brasileiro de Pesquisas FísicasUniversidade do Estado do Rio de JaneiroInstituto Politécnico NacionalCentro de Investigación y de Estudios Avanzados del Instituto Politécnico NacionalUniversidade Federal do ABCBulgarian Academy of SciencesInstitute for Nuclear Research and Nuclear EnergySofia University "St. Kliment Ohridski"University of TarapacáBeihang UniversityTsinghua UniversityUniversity of Illinois ChicagoFlorida State UniversityInstitute of High Energy PhysicsCalifornia Institute of TechnologyUniversity of FloridaMassachusetts Institute of TechnologyPeking UniversitySun Yat-sen UniversityUniversity of Science and Technology of ChinaFudan UniversityInstitute of Modern PhysicsRice UniversityZhejiang UniversityUniversidad de Los AndesUniversidad de AntioquiaUniversity of SplitRuđer Bošković InstituteUniversity of CyprusCharles UniversityNational Polytechnic SchoolUniversidad San Francisco de QuitoAcademy of Scientific Research and TechnologyFayoum UniversityNational Institute of Chemical Physics and BiophysicsUniversity of HelsinkiHelsinki Institute of PhysicsSungkyunkwan UniversityLappeenranta-Lahti University of TechnologyCommissariat à l'Énergie Atomique et aux Énergies AlternativesUniversité Paris-SaclayCEA Paris-SaclayInstitut de Recherche sur les Lois Fondamentales de l'UniversCentre National de la Recherche ScientifiqueÉcole PolytechniqueIbero American UniversityInstitut National de Physique Nucléaire et de Physique des ParticulesLaboratoire Leprince-RinguetInstitut Pluridisciplinaire Hubert CurienUniversité de StrasbourgInstitute of Nuclear Physics of LyonInstitut de Physique des 2 Infinis de LyonSeoul National UniversityGeorgian Technical UniversityRWTH Aachen UniversityPurdue University West LafayetteDeutsches Elektronen-Synchrotron DESYTata Institute of Fundamental ResearchEuropean Organization for Nuclear ResearchNorthwestern UniversitySaha Institute of Nuclear PhysicsUniversity of KansasKyungpook National UniversityUniversität HamburgKarlsruhe Institute of TechnologyNational Centre of Scientific Research "Demokritos"Institute of Nuclear and Particle PhysicsNational and Kapodistrian University of AthensNational Technical University of AthensUniversity of IoanninaEötvös Loránd UniversityHUN-REN Wigner Research Centre for PhysicsHUN-REN Institute for Nuclear ResearchUniversity of DebrecenKároly Róbert University CollegePanjab UniversityUniversity of DelhiUniversity of Wisconsin–MadisonNational Institute of Science Education and ResearchHomi Bhabha National InstituteUniversity of Notre DameIndian Institute of Science Education and Research PuneIsfahan University of TechnologyInstitute for Research in Fundamental SciencesUniversity College DublinIstituto Nazionale di Fisica Nucleare, Sezione di BariUniversity of Bari Aldo MoroPolytechnic University of BariIstituto Nazionale di Fisica Nucleare, Sezione di BolognaUniversity of BolognaUniversity of PerugiaIstituto Nazionale di Fisica Nucleare, Sezione di PerugiaUniversity of CataniaIstituto Nazionale di Fisica Nucleare, Sezione di CataniaIstituto Nazionale di Fisica Nucleare, Sezione di FirenzeUniversity of FlorenceIstituto Nazionale di Fisica Nucleare, Laboratori Nazionali di FrascatiIstituto Nazionale di Fisica Nucleare, Sezione di GenovaUniversity of GenoaIstituto Nazionale di Fisica Nucleare, Sezione di Milano BicoccaUniversity of Milano-BicoccaIstituto Nazionale di Fisica Nucleare, Sezione di NapoliUniversity of Naples Federico IIUniversity of BasilicataIstituto Nazionale di Fisica Nucleare, Sezione di PadovaUniversity of PaduaIstituto Nazionale di Fisica Nucleare, Sezione di PaviaUniversity of PaviaIstituto Nazionale di Fisica Nucleare, Sezione di PisaUniversity of PisaScuola Normale SuperioreUniversity of SienaIstituto Nazionale di Fisica Nucleare, Sezione di Roma ISapienza University of RomeIstituto Nazionale di Fisica Nucleare, Sezione di TorinoUniversity of TurinUniversità degli Studi del Piemonte Orientale “Amedeo Avogadro”University of TriesteIstituto Nazionale di Fisica Nucleare, Sezione di TriesteKansas State UniversityHanyang UniversityUniversity of California, Santa BarbaraTexas Tech UniversitySejong UniversityChonnam National UniversityTexas A&M UniversityKyung Hee UniversityUniversity of SeoulYonsei UniversityAmerican University of the Middle EastRiga Technical UniversityUniversity of LatviaVilnius UniversityUniversity of MalayaUniversidad de SonoraUniversity of AmericaCatholic University of AmericaBenemérita Universidad Autónoma de PueblaUniversity of MontenegroUniversity of CanterburyAbdus Salam Centre for PhysicsAGH University of KrakowNational Centre for Nuclear ResearchUniversity of WarsawLIP - Laboratory of Instrumentation and Experimental Particle PhysicsUniversity of BelgradeCentro de Investigaciones Energéticas, Medioambientales y TecnológicasUniversity of AlabamaETH ZurichUniversidad Autónoma de MadridUniversidad de OviedoUniversidad de CantabriaInstituto de Física de CantabriaUniversity of ColomboUniversity of RuhunaPaul Scherrer InstituteUniversity of ZurichNational Central UniversityLaboratoire d’Annecy de Physique des ParticulesNational Taiwan UniversityChulalongkorn UniversityCukurova UniversityMiddle East Technical UniversityBoğaziçi UniversityIstanbul Technical UniversityIstanbul UniversityInstitute for Scintillation MaterialsKharkiv Institute of Physics and TechnologyUniversity of BristolImperial College LondonUniversity of Puerto Rico-MayaguezBrunel University of LondonBaylor UniversityBoston UniversityBrown UniversityUniversity of California, DavisUniversity of California, Los AngelesUniversity of California, RiversideUniversity of California San DiegoUniversity of VirginiaCarnegie Mellon UniversityUniversity of Colorado BoulderCornell UniversityFermi National Accelerator LaboratoryFlorida Institute of TechnologyUniversity of IowaJohns Hopkins UniversityLawrence Livermore National LaboratoryUniversity of Maryland, College ParkUniversity of MinnesotaUniversity of MississippiUniversity of Nebraska–LincolnUniversity at Buffalo, State University of New YorkNortheastern UniversityThe Ohio State UniversityPrinceton UniversityPurdue University NorthwestUniversity of RochesterRockefeller UniversityRutgers, The State University of New JerseyUniversity of Tennessee at KnoxvilleVanderbilt UniversityWayne State University

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

Les sujets associés

Particle physics theoretical and experimental studiesQuantum Chromodynamics and Particle InteractionsHigh-Energy Particle Collisions Research

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