Aller au contenu principal
Accès ouvert déclaré 2020 article

Determination of quantum numbers for several excited charmed mesons observed in B−→D*+π−π− decays

31Citations signalées — pas une note de qualité
87Institutions déclarées
16Pays d’affiliation déclarés

Résumé fourni par la source

A four-body amplitude analysis of the ${B}^{\ensuremath{-}}\ensuremath{\rightarrow}{D}^{*+}{\ensuremath{\pi}}^{\ensuremath{-}}{\ensuremath{\pi}}^{\ensuremath{-}}$ decay is performed, where fractions and relative phases of the various resonances contributing to the decay are measured. Several quasi-model-independent analyses are performed aimed at searching for the presence of new states and establishing the quantum numbers of previously observed charmed meson resonances. In particular the resonance parameters and quantum numbers are determined for the ${D}_{1}(2420)$, ${D}_{1}(2430)$, ${D}_{0}(2550)$, ${D}_{1}^{*}(2600)$, ${D}_{2}(2740)$ and ${D}_{3}^{*}(2750)$ states. The mixing between the ${D}_{1}(2420)$ and ${D}_{1}(2430)$ resonances is studied and the mixing parameters are measured. The dataset corresponds to an integrated luminosity of $4.7\text{ }\text{ }{\mathrm{fb}}^{\ensuremath{-}1}$, collected in proton-proton collisions at center-of-mass energies of 7, 8 and 13 TeV with the LHCb detector.

Ce résumé expose les affirmations des auteurs. BNTIC ne l’interprète pas comme une validation indépendante des résultats.

Contrôle bibliographique ouvert

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

Titre Crossref
Determination of quantum numbers for several excited charmed mesons observed 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>π</mml:mi><mml:mo>−</mml:mo></mml:msup><mml:msup><mml:mi>π</mml:mi><mml:mo>−</mml:mo></mml:msup></mml:math> decays
Date Crossref
20/02/2020
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 ZurichUniversity of LiverpoolUniversidade de Santiago de CompostelaUniversity of BristolCentre National de la Recherche ScientifiqueUniversité Clermont AuvergneInstitut National de Physique Nucléaire et de Physique des ParticulesUniversity of MichiganSyracuse UniversityIstituto Nazionale di Fisica Nucleare, Sezione di MilanoUniversity of CincinnatiIstituto Nazionale di Fisica Nucleare, Laboratori Nazionali di FrascatiTU Dortmund UniversityEuropean Organization for Nuclear ResearchUniversity of GlasgowUniversitat de BarcelonaPetersburg Nuclear Physics InstituteImperial College LondonUniversidade Federal do Rio de JaneiroUniversité Paris-SudUniversité Paris-SaclayIstituto Nazionale di Fisica Nucleare, Sezione di FirenzeÉcole Polytechnique Fédérale de LausanneIstituto Nazionale di Fisica Nucleare, Sezione di FerraraHeidelberg UniversityAix-Marseille UniversitéCentre de physique des particules de MarseilleKurchatov InstituteInstitute for High Energy PhysicsYandex School of Data AnalysisIstituto Nazionale di Fisica Nucleare, Sezione di CagliariUniversity of WarwickUniversity of ManchesterIstituto Nazionale di Fisica Nucleare, Sezione di GenovaNational University of Science and TechnologyIstituto Nazionale di Fisica Nucleare, Sezione di PisaNational Centre for Nuclear ResearchCentro Brasileiro de Pesquisas FísicasUniversity of Chinese Academy of SciencesDélégation Paris 7Université Paris CitéSorbonne UniversitéSorbonne Paris CitéLaboratoire de Physique Nucléaire et de Hautes ÉnergiesRWTH Aachen UniversityLomonosov Moscow State UniversityIstituto Nazionale di Fisica Nucleare, Sezione di PadovaIstituto Nazionale di Fisica Nucleare, Sezione di BolognaUniversity of CambridgeInstitute of Nuclear Physics, Polish Academy of SciencesUniversity of BirminghamUniversity of OxfordIstituto Nazionale di Fisica Nucleare, Sezione di Roma IMassachusetts Institute of TechnologyNational Research University Higher School of EconomicsSiberian Branch of the Russian Academy of SciencesBudker Institute of Nuclear PhysicsWuhan UniversityTsinghua UniversityIstituto Nazionale di Fisica Nucleare, Sezione di Milano BicoccaIstituto Nazionale di Fisica Nucleare, Roma Tor VergataUniversité Savoie Mont BlancUniversité Grenoble AlpesUniversity of EdinburghHoria Hulubei National Institute for R and D in Physics and Nuclear EngineeringLos Alamos National LaboratoryIstituto Nazionale di Fisica Nucleare, Sezione di BariMax Planck Institute for Nuclear PhysicsAGH University of KrakowCentral China Normal UniversityKharkiv Institute of Physics and TechnologyRutherford Appleton LaboratoryInstitute for Nuclear ResearchUniversity of Maryland, College ParkUniversitat de ValènciaInstituto de Física CorpuscularPontifícia Universidade Católica do Rio de JaneiroUniversity of RostockNational Research Tomsk State UniversityTomsk Polytechnic UniversityInstitute for Nuclear ResearchSouth China Normal UniversityInstitute of High Energy PhysicsUniversity College DublinUniversidad Nacional de ColombiaUniversity of Groningen

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

Sujets associés

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

BNTIC News n’est pas le producteur de ces données. Recherche à la demande dans Crossref, OpenAIRE, DOAJ, Europe PMC, HAL, DataCite, ROR et la Banque mondiale, sans clé ; OpenAlex reste optionnel. Aucun service payant requis, aucune donnée externe enregistrée en base. Sources et limites.