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Measurement of branching fractions of $$ {\Lambda}_c^{+} $$ decays to Σ+η and Σ+η′

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100Institutions déclarées
20Pays d’affiliation déclarés

Résumé fourni par la source

A bstract By analyzing e + e − collision data taken at center-of-mass energies $$ \sqrt{s} $$ s between 4.600 and 4.699 GeV with the BESIII detector at the BEPCII collider, corresponding to an integrated luminosity of 4.5 fb − 1 , we study the hadronic decays $$ {\Lambda}_c^{+}\to {\Sigma}^{+}\eta $$ Λ c + → Σ + η and $$ {\Lambda}_c^{+}\to {\Sigma}^{+}{\eta}^{\prime } $$ Λ c + → Σ + η ′ using the single-tag method. The branching fraction ratio of $$ {\Lambda}_c^{+}\to {\Sigma}^{+}\eta $$ Λ c + → Σ + η relative to $$ {\Lambda}_c^{+}\to {\Sigma}^{+}{\pi}^0 $$ Λ c + → Σ + π 0 is determined to be 0.305 ± 0.046 stat . ± 0.007 syst . , and that of $$ {\Lambda}_c^{+}\to {\Sigma}^{+}{\eta}^{\prime } $$ Λ c + → Σ + η ′ relative to $$ {\Lambda}_c^{+}\to {\Sigma}^{+}\omega $$ Λ c + → Σ + ω is 0.336 ± 0.094 stat ± 0.037 syst . The ratio of $$ \frac{\mathcal{B}\left({\Lambda}_c^{+}\to {\Sigma}^{+}{\eta}^{\prime}\right)}{\mathcal{B}\left({\Lambda}_c^{+}\to {\Sigma}^{+}\eta \right)} $$ B Λ c + → Σ + η ′ B Λ c + → Σ +

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DOI retrouvé dans Crossref DOI retrouvé ; titre concordant.

Titre Crossref
Measurement of branching fractions of $$ {\Lambda}_c^{+} $$ decays to Σ+η and Σ+η′
Date Crossref
12/11/2025
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 BochumZhengzhou UniversityJohannes Gutenberg University MainzUniversity of TurinUniversity of Science and Technology of ChinaSoutheast UniversityJoint Institute for Nuclear ResearchIstituto Nazionale di Fisica Nucleare, Sezione di FerraraPeking UniversityUniversity of Chinese Academy of SciencesNational Centre for Nuclear ResearchInstitute of Physics and TechnologyIstituto Nazionale di Fisica Nucleare, Laboratori Nazionali di FrascatiCarnegie Mellon UniversityUniversity of MünsterWuhan UniversityIstinye UniversityNankai UniversityMoscow Institute of Physics and TechnologyChina University of GeosciencesSoochow UniversityHenan UniversityNorth China Electric Power UniversityNanjing UniversityTsinghua UniversityInstitute of Modern PhysicsJilin UniversityJilin Medical UniversityHunan UniversityChung-Ang UniversityShandong UniversityYunnan UniversityHelmholtz Institute MainzUniversity of South ChinaUniversity of JinanLiaoning UniversityUniversità degli Studi del Piemonte Orientale “Amedeo Avogadro”Piedmont UniversitySun Yat-sen UniversityNanjing Normal UniversityUniversity of FerraraHenan Normal UniversityUniversity of ManchesterUniversity of OxfordGSI Helmholtz Centre for Heavy Ion ResearchGuangxi UniversityShandong Normal UniversityFudan UniversityIndiana University BloomingtonIndiana UniversityUniversity of Hawaiʻi at MānoaUniversity of Hawaii SystemSuranaree University of TechnologySouth China Normal UniversityUniversity of the PunjabLiaoning Normal UniversityHangzhou Normal UniversityHuangshan UniversityUniversity of TarapacáUniversity of GroningenIndian Institute of Technology MadrasJustus-Liebig-Universität GießenQufu Normal UniversityCentral China Normal UniversityGuangxi Normal UniversityHenan University of Science and TechnologyRenmin University of ChinaLanzhou UniversityHebei UniversitySichuan UniversityShanxi UniversityShanxi University of Traditional Chinese MedicineHenan University of TechnologyCentral South UniversityZhejiang UniversityGoethe University FrankfurtInstitute of Business Administration KarachiCOMSATS University IslamabadUniversity of PerugiaIstituto Nazionale di Fisica Nucleare, Sezione di PerugiaKurchatov InstituteHunan Normal UniversityChina Center of Advanced Science and TechnologyÉcole Polytechnique Fédérale de LausanneInstitute of Particle PhysicsInstitute of Nuclear and Particle PhysicsShanghai Jiao Tong UniversityNear East UniversityBeihang UniversityInner Mongolia UniversityYantai UniversityUniversity of BristolBristol Robotics LaboratoryShanxi Normal UniversityUniversity of Science and Technology Liaoning

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Sujets associés

Particle physics theoretical and experimental studiesHigh-Energy Particle Collisions ResearchQuantum Chromodynamics and Particle Interactions

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