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Helicity amplitude analysis of χcJ → ϕϕ

5Citations signalées — pas une note de qualité
91Institutions déclarées
17Pays d’affiliation déclarés

Résumé fourni par la source

A bstract Using (447.9 ± 2.3) million ψ (3686) events collected with the BESIII detector, the decays of χ cJ → ϕϕ ( J = 0 , 1 , 2) have been studied via the decay ψ (3686) → γχ cJ . The branching fractions of the decays χ cJ → ϕϕ ( J = 0 , 1 , 2) are determined to be (8 . 59 ± 0 . 27 ± 0 . 20) × 10 − 4 , (4 . 26 ± 0 . 13 ± 0 . 15) × 10 − 4 , and (12 . 67 ± 0 . 28 ± 0 . 33) × 10 − 4 , respectively, which are the most precise measurements to date. From a helicity amplitude analysis of the process ψ (3686) → γχ cJ , χ cJ → ϕϕ, ϕ → K + K − , the polarization parameters of the χ cJ → ϕϕ decays are determined for the first time.

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Contrôle bibliographique ouvert

DOI retrouvé dans Crossref DOI retrouvé ; titre concordant.

Titre Crossref
Helicity amplitude analysis of χcJ → ϕϕ
Date Crossref
09/05/2023
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 ne compte pas comme une seconde source scientifique indépendante.

Institutions déclarées

Institute of High Energy PhysicsNovosibirsk State UniversitySiberian Branch of the Russian Academy of SciencesBudker Institute of Nuclear PhysicsUppsala UniversityRuhr University BochumJohannes Gutenberg University MainzUniversity 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 ResearchInstitute of Physics and TechnologyUniversity of MünsterCarnegie Mellon UniversityWuhan UniversityUniversity of Chinese Academy of SciencesIstinye UniversityMoscow Institute of Physics and TechnologyNankai UniversitySoochow UniversityNanjing UniversityTsinghua UniversityInstitute of Modern PhysicsHunan UniversityShandong UniversityYunnan UniversityHelmholtz Institute MainzLiaoning UniversityZhengzhou UniversityUniversità degli Studi del Piemonte Orientale “Amedeo Avogadro”Piedmont UniversitySun Yat-sen UniversityUniversity of OxfordUniversity of FerraraUniversity of ManchesterGSI Helmholtz Centre for Heavy Ion ResearchGuangxi UniversityNanjing Normal UniversityShandong Normal UniversityFudan UniversityHenan Normal UniversityUniversity of Hawaiʻi at MānoaUniversity of Hawaii SystemSuranaree University of TechnologyGoethe University FrankfurtSouth China Normal UniversityUniversity of South ChinaUniversity of the PunjabIndiana University BloomingtonIndiana UniversityHuangshan UniversityUniversity of GroningenJustus-Liebig-Universität GießenIndian Institute of Technology MadrasLanzhou UniversityQufu Normal UniversityCentral China Normal UniversityGuangxi Normal UniversityShanxi Normal UniversityHenan University of TechnologyBeijing Institute of Petrochemical TechnologyJilin UniversityJilin Medical UniversitySichuan UniversityShanxi UniversityShanxi University of Traditional Chinese MedicineHenan University of Science and TechnologyCentral South UniversityZhejiang UniversityIstituto Nazionale di Fisica Nucleare, Sezione di PerugiaCOMSATS University IslamabadUniversity of PerugiaKurchatov InstituteHunan Normal UniversityNear East UniversityNorth China Electric Power UniversityHebei UniversityHangzhou Normal UniversityShanghai Jiao Tong UniversityInstitute of Particle PhysicsInstitute of Nuclear and Particle PhysicsChina 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.

Sujets associés

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

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