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Accès ouvert déclaré 2022 article

Measurement of e+e− → K+K−π0 cross section and observation of a resonant structure

7Citations signalées, ce qui n’est pas une note de qualité
85Institutions déclarées
15Pays d’affiliation déclarés

Rattachement africain : cn, ru, se, de, it, pl, mn, us, tr, gb, th, pk, nl, in, cy. Niveau de preuve : code pays fourni par la source.

Le résumé fourni par la source

Abstract Based on e+e− collision data collected by the BESIII detector at the BEPCII collider at center-of-mass energies from 2.000 to 3.080 GeV, a partial-wave analysis is performed for the process e+e−→ K+K−π0. The Born cross section of the process e+e−→ K+K−π0 and its subprocesses e+e−→ ϕπ0, K*+(892)K− and $$ {K}_2^{\ast +} $$ K 2 ∗ + (1430)K− are measured. The results for e+e−→ K+K−π0 and ϕπ0 are consistent with the BaBar measurements and with improved precision. By analyzing the cross sections of the subprocesses e+e−→ K*+(892)K− and $$ {K}_2^{\ast +} $$ K 2 ∗ + (1430)K−, a structure with mass MR = (2190 ± 19 ± 37) MeV/c2 and width ΓR = (191 ± 28 ± 60) MeV is observed with a combined statistical significance of 7.1σ. The measured resonance parameters suggest it can be identified as the ϕ(2170), thus the results provide valuable input to understand the internal nature of this state.

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Le contrôle bibliographique ouvert

DOI retrouvé dans Crossref DOI retrouvé ; titre concordant.

Titre Crossref
Measurement of e+e− → K+K−π0 cross section and observation of a resonant structure
Date Crossref
01/07/2022
Éditeur
Springer Science and Business Media LLC
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

Institute of High Energy PhysicsNovosibirsk State UniversitySiberian Branch of the Russian Academy of SciencesBudker Institute of Nuclear PhysicsUppsala UniversityJohannes Gutenberg University MainzHelmholtz Institute MainzRuhr University BochumUniversity of TurinLiaoning Normal UniversityUniversity of Science and Technology of ChinaUniversity of JinanSoutheast UniversityJoint Institute for Nuclear ResearchIstituto Nazionale di Fisica Nucleare, Laboratori Nazionali di FrascatiIstituto Nazionale di Fisica Nucleare, Sezione di FerraraPeking UniversityNational Centre for Nuclear ResearchMongolian Academy of SciencesInstitute of Physics and TechnologyUniversity of MünsterCarnegie Mellon UniversityWuhan UniversityUniversity of Chinese Academy of SciencesIstinye UniversityMoscow Institute of Physics and TechnologyNankai UniversityNanjing UniversityInstitute of Modern PhysicsHunan UniversityShandong UniversityYunnan UniversityLiaoning UniversityZhengzhou UniversityUniversità degli Studi del Piemonte Orientale “Amedeo Avogadro”Sun Yat-sen UniversityUniversity of FerraraUniversity of ManchesterUniversity of OxfordGSI Helmholtz Centre for Heavy Ion ResearchIndiana University BloomingtonNanjing Normal UniversityShandong Normal UniversityFudan UniversityHenan Normal UniversityUniversity of Hawaiʻi at MānoaUniversity of Hawaii SystemSoochow UniversitySuranaree University of TechnologyGoethe University FrankfurtSouth China Normal UniversityUniversity of South ChinaUniversity of the PunjabHuangshan UniversityUniversity of GroningenJustus-Liebig-Universität GießenIndian Institute of Technology MadrasCentral China Normal UniversityHenan University of TechnologyBeijing Institute of Petrochemical TechnologyLanzhou UniversityTsinghua UniversityJilin UniversitySichuan UniversityGuangxi Normal UniversityShanxi UniversityHenan University of Science and TechnologyZhejiang UniversityIstituto Nazionale di Fisica Nucleare, Sezione di PerugiaUniversity of MinnesotaInstitute of Business Administration KarachiCOMSATS University IslamabadUniversity of PerugiaKurchatov InstitutePetersburg Nuclear Physics InstituteHunan Normal UniversityShanxi Normal UniversityNear East UniversityNorth China Electric Power UniversityHangzhou Normal UniversityShanghai Jiao Tong UniversityChina Center of Advanced Science and TechnologyBeihang UniversityXinyang Normal UniversityUniversity of Science and Technology Liaoning

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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