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Updated model-independent measurement of the strong-phase differences between D0 and $$ {\overline{\textrm{D}}}^0\to {\textrm{K}}_{\textrm{S}/\textrm{L}}^0{\uppi}^{+}{\uppi}^{-} $$ decays

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A bstract The strong-phase differences between $$ {D}^0\to {K}_{S(L)}^0{\pi}^{+}{\pi}^{-} $$ D 0 → K S L 0 π + π − and $$ {\overline{D}}^0\to {K}_{S(L)}^0{\pi}^{+}{\pi}^{-} $$ D ¯ 0 → K S L 0 π + π − decays are one of the most important inputs in measuring the CP violating angle γ via B − → DK − decays. They also play a key role in studies of charm mixing and indirect CP violation. In this paper, the strong-phase differences are determined in a model-independent way with quantum-correlated D 0 - $$ {\overline{D}}^0 $$ D ¯ 0 decays from 7.93 fb − 1 of e + e − annihilation data at $$ \sqrt{s} $$ s = 3 . 773 GeV by the BESIII experiment. These results are the most precise to date and are expected to significantly reduce associated uncertainties in determining the CP violating angle γ and related charm mixing parameters.

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DOI retrouvé dans Crossref DOI retrouvé ; titre concordant.

Titre Crossref
Updated model-independent measurement of the strong-phase differences between D0 and $$ {\overline{\textrm{D}}}^0\to {\textrm{K}}_{\textrm{S}/\textrm{L}}^0{\uppi}^{+}{\uppi}^{-} $$ decays
Date Crossref
11/06/2025
Éditeur
Springer Science and Business Media LLC
Type
journal-article

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Institutions déclarées

Institute of High Energy PhysicsNovosibirsk State UniversitySiberian Branch of the Russian Academy of SciencesBudker Institute of Nuclear PhysicsUppsala UniversityZhengzhou UniversityJohannes Gutenberg University MainzUniversity of TurinUniversity of Science and Technology of ChinaSoutheast UniversityJoint Institute for Nuclear ResearchPeking UniversityUniversity of Chinese Academy of SciencesNational Centre for Nuclear ResearchMongolian Academy of SciencesIstituto Nazionale di Fisica Nucleare, Laboratori Nazionali di FrascatiIstituto Nazionale di Fisica Nucleare, Sezione di FerraraCarnegie Mellon UniversityUniversity of MünsterWuhan UniversityLanzhou UniversityIstinye UniversityNankai UniversityChina University of GeosciencesSoochow UniversityHenan UniversityNorth China Electric Power UniversityNanjing UniversityTsinghua UniversityFudan UniversityInstitute of Modern PhysicsGuangxi University of Science and TechnologyJilin UniversityJilin Medical UniversityHunan UniversitySun Yat-sen UniversityChung-Ang UniversityUniversity of BristolBristol Robotics LaboratoryShandong UniversityYunnan UniversityHelmholtz Institute MainzRuhr University BochumUniversity of South ChinaUniversity of JinanLiaoning UniversityInner Mongolia UniversityMoscow Institute of Physics and TechnologyHenan Normal UniversityUniversità degli Studi del Piemonte Orientale “Amedeo Avogadro”Piedmont UniversityNanjing Normal UniversityUniversity of FerraraUniversity of ManchesterUniversity of OxfordGSI Helmholtz Centre for Heavy Ion ResearchGuangxi UniversityShandong Normal UniversityIndiana University BloomingtonIndiana UniversityUniversity of Hawaiʻi at MānoaUniversity of Hawaii SystemSuranaree University of TechnologySouth China Normal UniversityUniversity of the PunjabHangzhou Normal UniversityHuangshan UniversityUniversity of TarapacáUniversity of GroningenIndian Institute of Technology MadrasJustus-Liebig-Universität GießenQufu Normal UniversityLiaoning Normal UniversityGuangxi Normal UniversityHenan University of Science and TechnologyRenmin University of ChinaHebei UniversityChina Center of Advanced Science and TechnologySichuan UniversityCentral China Normal 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 UniversityÉcole Polytechnique Fédérale de LausanneShanghai Jiao Tong UniversityInstitute of Particle PhysicsInstitute of Nuclear and Particle PhysicsNear East UniversityBeihang UniversityYantai UniversityShanxi Normal UniversityUniversity of Science and Technology Liaoning

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Sujets associés

Particle physics theoretical and experimental studiesQuantum Chromodynamics and Particle InteractionsAtomic and Subatomic Physics Research

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