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Observation of New Charmonium or Charmoniumlike States in B + → D * ± D ∓ K + Decays

28Citations signalées — pas une note de qualité
94Institutions déclarées
19Pays d’affiliation déclarés

Résumé fourni par la source

A study of resonant structures in B^{+}→D^{*+}D^{-}K^{+} and B^{+}→D^{*-}D^{+}K^{+} decays is performed, using proton-proton collision data at center-of-mass energies of sqrt[s]=7, 8, and 13 TeV recorded by the LHCb experiment, corresponding to an integrated luminosity of 9 fb^{-1}. A simultaneous amplitude fit is performed to the two channels with contributions from resonances decaying to D^{*-}D^{+} and D^{*+}D^{-} states linked by C parity. This procedure allows the C parities of resonances in the D^{*±}D^{∓} mass spectra to be determined. Four charmonium or charmoniumlike states are observed decaying into D^{*±}D^{∓}: η_{c}(3945), h_{c}(4000), χ_{c1}(4010), and h_{c}(4300), with quantum numbers J^{PC} equal to 0^{-+}, 1^{+-}, 1^{++}, and 1^{+-}, respectively. At least three of these states have not been observed previously. In addition, the existence of the T_{c[over ¯]s[over ¯]0}^{*}(2870)^{0} and T_{c[over ¯]s[over ¯]1}^{*}(2900)^{0} resonances in the D^{-}K^{+} mass spectrum, already observed in the B^{+}→D^{+}D^{-}K^{+} decay, is confirmed in a different production channel.

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Contrôle bibliographique ouvert

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

Titre Crossref
Observation of New Charmonium or Charmoniumlike States in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"> <mml:msup> <mml:mi>B</mml:mi> <mml:mo>+</mml:mo> </mml:msup> <mml:mo stretchy="false">→</mml:mo> <mml:msup> <mml:mi>D</mml:mi> <mml:mrow> <mml:mo>*</mml:mo> <mml:mo>±</mml:mo> </mml:mrow> </mml:msup> <mml:msup> <mml:mi>D</mml:mi> <mml:mo>∓</mml:mo> </mml:msup> <mml:msup> <mml:mi>K</mml:mi> <mml:mo>+</mml:mo> </mml:msup> </mml:math> Decays
Date Crossref
27/09/2024
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 ne compte pas comme une seconde source scientifique indépendante.

Institutions déclarées

National Institute for Subatomic PhysicsUniversity of WarwickUniversity of ZurichUniversity of LiverpoolSyracuse UniversityUniversidade de Santiago de CompostelaUniversity of BristolUppsala UniversityUniversity of GlasgowEuropean Organization for Nuclear ResearchUniversity of MichiganUniversité Clermont AuvergneUniversity of CincinnatiIstituto Nazionale di Fisica Nucleare, Laboratori Nazionali di FrascatiTU Dortmund UniversityUniversity of ManchesterUniversity of CambridgeSorbonne UniversitéLaboratoire MédiationsUniversidade Federal do Rio de JaneiroUniversité Paris-SaclayPeking UniversityIstituto Nazionale di Fisica Nucleare, Sezione di FirenzeIstituto Nazionale di Fisica Nucleare, Sezione di FerraraIstituto Nazionale di Fisica Nucleare, Sezione di Milano BicoccaUniversity of Chinese Academy of SciencesIstituto Nazionale di Fisica Nucleare, Roma Tor VergataConsejo Nacional de RectoresAix-Marseille UniversitéMassachusetts Institute of TechnologyLaboratoire Leprince-RinguetUniversity of OxfordUniversité Savoie Mont BlancHeidelberg UniversityPontifícia Universidade Católica do Rio de JaneiroUniversity of EdinburghRWTH Aachen UniversityIstituto Nazionale di Fisica Nucleare, Sezione di PisaCentro Brasileiro de Pesquisas FísicasIstituto Nazionale di Fisica Nucleare, Sezione di GenovaIstituto Nazionale di Fisica Nucleare, Sezione di Roma IUniversitat Ramon LlullIstituto Nazionale di Fisica Nucleare, Sezione di PadovaInstitute of Nuclear Physics, Polish Academy of SciencesImperial College LondonUniversity College DublinEötvös Loránd UniversityUniversidade da CoruñaTwitter (United States)Jagiellonian UniversityRutherford Appleton LaboratoryCentre National de la Recherche ScientifiqueLos Alamos National LaboratoryUniversity of BonnÉcole PolytechniqueUniversitat de ValènciaHunan UniversityDélégation Paris 7University of GroningenSouth China Normal UniversityUniversité Paris CitéCracow University of TechnologyKharkiv Institute of Physics and TechnologyMaastricht UniversityUniversidad Nacional de ColombiaWuhan UniversityCentral China Normal UniversitySorbonne Paris CitéHoria Hulubei National Institute for R and D in Physics and Nuclear EngineeringCentre de physique des particules de MarseilleNational Centre for Nuclear ResearchInstituto de Física CorpuscularLaboratoire de Physique Nucléaire et de Hautes ÉnergiesIstituto Nazionale di Fisica Nucleare, Sezione di BariIstituto Nazionale di Fisica Nucleare, Sezione di CagliariInstitut National de Physique Nucléaire et de Physique des ParticulesLaboratoire de Physique des 2 Infinis Irène Joliot-CurieIstituto Nazionale di Fisica Nucleare, Sezione di MilanoInstitute of High Energy PhysicsInstitute for Nuclear ResearchIstituto Nazionale di Fisica Nucleare, Sezione di BolognaMax Planck Institute for Nuclear PhysicsIstituto Nazionale di Fisica Nucleare, Sezione di PerugiaState Key Laboratory of Nuclear Physics and TechnologyÉcole Polytechnique Fédérale de LausanneMonash UniversityUniversity of Maryland, College ParkAGH University of KrakowUniversitat de BarcelonaLanzhou UniversityUniversity of BirminghamTsinghua UniversityFZU ‒ Institute of Physics of the Academy of Sciences of the Czech RepublicAustralian Regenerative Medicine Institute

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Sujets associés

Quantum Chromodynamics and Particle InteractionsParticle physics theoretical and experimental studiesNeutrino Physics Research

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