Aller au contenu principal
Accès ouvert déclaré 2021 article

Search for time-dependent CP violation in D0→K+K− and D0→π+π− decays

29Citations signalées, ce qui n’est pas une note de qualité
96Institutions déclarées
17Pays d’affiliation déclarés

Rattachement africain : nl, ch, gb, es, fr, us, it, de, ru, br, pl, cn, ro, ua, ie, au, co. Niveau de preuve : code pays fourni par la source.

Le résumé fourni par la source

A search for time-dependent violation of the charge-parity symmetry in ${D}^{0}\ensuremath{\rightarrow}{K}^{+}{K}^{\ensuremath{-}}$ and ${D}^{0}\ensuremath{\rightarrow}{\ensuremath{\pi}}^{+}{\ensuremath{\pi}}^{\ensuremath{-}}$ decays is performed at the LHCb experiment using proton-proton collision data recorded from 2015 to 2018 at a center-of-mass energy of 13 TeV, corresponding to an integrated luminosity of $6\text{ }\text{ }{\mathrm{fb}}^{\ensuremath{-}1}$. The ${D}^{0}$ meson is required to originate from a ${D}^{*}(2010{)}^{+}\ensuremath{\rightarrow}{D}^{0}{\ensuremath{\pi}}^{+}$ decay, such that its flavor at production is identified by the charge of the accompanying pion. The slope of the time-dependent asymmetry of the decay rates of ${D}^{0}$ and ${\overline{D}}^{0}$ mesons into the final states under consideration is measured to be $\mathrm{\ensuremath{\Delta}}{Y}_{{K}^{+}{K}^{\ensuremath{-}}}=(\ensuremath{-}2.3\ifmmode\pm\else\textpm\fi{}1.5\ifmmode\pm\else\textpm\fi{}0.3)\ifmmode\times\else\texttimes\fi{}{10}^{\ensuremath{-}4}$, $\mathrm{\ensuremath{\Delta}}{Y}_{{\ensuremath{\pi}}^{+}{\ensuremath{\pi}}^{\ensuremath{-}}}=(\ensuremath{-}4.0\ifmmode\pm\else\textpm\fi{}2.8\ifmmode\pm\else\textpm\fi{}0.4)\ifmmode\times\else\texttimes\fi{}{10}^{\ensuremath{-}4}$, where the first uncertainties are statistical and the second are systematic. These results are compatible with the conservation of the charge-parity symmetry at the level of 2 standard deviations and improve the precision by nearly a factor of 2.

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

Le contrôle bibliographique ouvert

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

Titre Crossref
Search for time-dependent <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>C</mml:mi><mml:mi>P</mml:mi></mml:math> violation in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msup><mml:mi>D</mml:mi><mml:mn>0</mml:mn></mml:msup><mml:mo stretchy="false">→</mml:mo><mml:msup><mml:mi>K</mml:mi><mml:mo>+</mml:mo></mml:msup><mml:msup><mml:mi>K</mml:mi><mml:mo>−</mml:mo></mml:msup></mml:math> and <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msup><mml:mi>D</mml:mi><mml:mn>0</mml:mn></mml:msup><mml:mo stretchy="false">→</mml:mo><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
26/10/2021
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 il ne compte pas comme une seconde source scientifique indépendante.

Les 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 CincinnatiTU Dortmund UniversityEuropean Organization for Nuclear ResearchUniversity of GlasgowUniversitat de BarcelonaUniversity of ManchesterPetersburg Nuclear Physics InstituteUniversity of CambridgeUniversidade Federal do Rio de JaneiroUniversité Paris-SaclayLaboratoire de Physique des 2 Infinis Irène Joliot-CurieIstituto Nazionale di Fisica Nucleare, Sezione di FirenzeIstituto Nazionale di Fisica Nucleare, Sezione di FerraraHeidelberg UniversityKurchatov InstituteInstitute for High Energy PhysicsYandex School of Data AnalysisAix-Marseille UniversitéCentre de physique des particules de MarseilleÉcole PolytechniqueLaboratoire Leprince-RinguetÉcole Polytechnique Fédérale de LausanneUniversity of WarwickImperial College LondonCentro Brasileiro de Pesquisas FísicasIstituto Nazionale di Fisica Nucleare, Sezione di GenovaNational University of Science and TechnologyRWTH Aachen UniversityIstituto Nazionale di Fisica Nucleare, Sezione di PisaIstituto Nazionale di Fisica Nucleare, Sezione di CagliariLomonosov Moscow State UniversityIstituto Nazionale di Fisica Nucleare, Laboratori Nazionali di FrascatiDélégation Paris 7Université Paris CitéSorbonne UniversitéSorbonne Paris CitéLaboratoire de Physique Nucléaire et de Hautes ÉnergiesUniversity of PaduaIstituto Nazionale di Fisica Nucleare, Sezione di BolognaInstitute of Nuclear Physics, Polish Academy of SciencesWuhan UniversityTsinghua UniversityUniversity of BirminghamUniversity of OxfordMassachusetts Institute of TechnologyNational Research University Higher School of EconomicsSiberian Branch of the Russian Academy of SciencesBudker Institute of Nuclear PhysicsUniversity of Maryland, College ParkInstitute for Nuclear ResearchIstituto Nazionale di Fisica Nucleare, Sezione di Milano BicoccaUniversitat Ramon LlullUniversity of Chinese Academy of SciencesIstituto Nazionale di Fisica Nucleare, Roma Tor VergataInstitute of High Energy PhysicsUniversité Savoie Mont BlancUniversity of EdinburghHoria Hulubei National Institute for R and D in Physics and Nuclear EngineeringIstituto Nazionale di Fisica Nucleare, Sezione di BariLos Alamos National LaboratoryUniversity of GroningenMaastricht UniversityAGH University of KrakowInstitute for Nuclear ResearchUniversity College DublinKharkiv Institute of Physics and TechnologyIstituto Nazionale di Fisica Nucleare, Sezione di PerugiaRutherford Appleton LaboratoryMonash UniversityPeking UniversityState Key Laboratory of Nuclear Physics and TechnologyNational Centre for Nuclear ResearchPontifícia Universidade Católica do Rio de JaneiroCentral China Normal UniversityUniversitat de ValènciaInstituto de Física CorpuscularSouth China Normal UniversityNational Research Tomsk State UniversityTomsk Polytechnic UniversityIstituto Nazionale di Fisica Nucleare, Sezione di Roma IUniversity of RostockUniversidad Nacional de ColombiaUniversity of BonnMax Planck Institute for Nuclear PhysicsHunan University

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

Les sujets associés

Particle physics theoretical and experimental studiesQuantum Chromodynamics and Particle InteractionsNeutrino Physics Research

BNTIC News n’est pas le producteur de ces données. Les publications sont interrogées à la demande dans Crossref, OpenAIRE, DOAJ, Europe PMC, HAL, DataCite, AfricArXiv, ROR et la Banque mondiale, sans clé d’accès. OpenAlex reste optionnel. Aucun service payant n’est nécessaire et aucune donnée externe n’est enregistrée en base. Consulter les sources et leurs limites.