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Accès ouvert déclaré 2016 article

Angular analysis of the B 0 → K *0 μ + μ − decay using 3 fb−1 of integrated luminosity

503Citations signalées, ce qui n’est pas une note de qualité
88Institutions déclarées
16Pays d’affiliation déclarés

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Le résumé fourni par la source

An angular analysis of the B 0 → K * 0 (→ K + π -)µ + µ -decay is presented.The dataset corresponds to an integrated luminosity of 3.0 fb -1 of pp collision data collected at the LHCb experiment.The complete angular information from the decay is used to determine CP -averaged observables and CP asymmetries, taking account of possible contamination from decays with the K + π -system in an S-wave configuration.The angular observables and their correlations are reported in bins of q 2 , the invariant mass squared of the dimuon system.The observables are determined both from an unbinned maximum likelihood fit and by using the principal moments of the angular distribution.In addition, by fitting for q 2 -dependent decay amplitudes in the region 1.1 < q 2 < 6.0 GeV 2 /c 4 , the zero-crossing points of several angular observables are computed.A global fit is performed to the complete set of CP -averaged observables obtained from the maximum likelihood fit.This fit indicates differences with predictions based on the Standard Model at the level of 3.4 standard deviations.These differences could be explained by contributions from physics beyond the Standard Model, or by an unexpectedly large hadronic effect that is not accounted for in the Standard Model predictions.

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Le contrôle bibliographique ouvert

DOI retrouvé dans Crossref DOI retrouvé ; titre concordant.

Titre Crossref
Angular analysis of the B 0 → K *0 μ + μ − decay using 3 fb−1 of integrated luminosity
Date Crossref
01/02/2016
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

European Organization for Nuclear ResearchUniversity of ZurichUniversidade de Santiago de CompostelaUniversity of BristolUniversity of LiverpoolCentre National de la Recherche ScientifiqueUniversité Clermont AuvergneInstitut National de Physique Nucléaire et de Physique des ParticulesClermont UniversitéAix-Marseille UniversitéCentre de physique des particules de MarseilleTU Dortmund UniversityUniversity of GlasgowNational Institute for Subatomic PhysicsPetersburg Nuclear Physics InstituteImperial College LondonUniversity of CincinnatiUniversidade Federal do Rio de JaneiroIstituto Nazionale di Fisica Nucleare, Sezione di PadovaUniversité Paris-SudIstituto Nazionale di Fisica Nucleare, Sezione di FirenzeÉcole Polytechnique Fédérale de LausanneIstituto Nazionale di Fisica Nucleare, Sezione di FerraraUniversity of Maryland, College ParkUniversity of ManchesterMax Planck Institute for Nuclear PhysicsHeidelberg UniversityInstitute for High Energy PhysicsSyracuse UniversityIstituto Nazionale di Fisica Nucleare, Sezione di Roma IUniversity of WarwickUniversitat de BarcelonaPontifícia Universidade Católica do Rio de JaneiroNational Centre for Nuclear ResearchUniversité Savoie Mont BlancIstituto Nazionale di Fisica Nucleare, Sezione di PisaCentro Brasileiro de Pesquisas FísicasIstituto Nazionale di Fisica Nucleare, Sezione di Milano BicoccaInstitute for Theoretical and Experimental PhysicsUniversité Paris CitéSorbonne UniversitéLaboratoire de Physique Nucléaire et de Hautes ÉnergiesIstituto Nazionale di Fisica Nucleare, Laboratori Nazionali di FrascatiLomonosov Moscow State UniversityUniversity of BirminghamIstituto Nazionale di Fisica Nucleare, Sezione di CagliariYandex School of Data AnalysisIstituto Nazionale di Fisica Nucleare, Sezione di BolognaIstituto Nazionale di Fisica Nucleare, Roma Tor VergataIstituto Nazionale di Fisica Nucleare, Sezione di GenovaUniversity of EdinburghUniversity of OxfordInstitute of Nuclear Physics, Polish Academy of SciencesUniversity of CambridgeHoria Hulubei National Institute for R and D in Physics and Nuclear EngineeringIstituto Nazionale di Fisica Nucleare, Sezione di MilanoKharkiv Institute of Physics and TechnologyNovosibirsk State UniversitySiberian Branch of the Russian Academy of SciencesBudker Institute of Nuclear PhysicsInstitute for Nuclear ResearchAGH University of KrakowTsinghua UniversityUniversity of RostockRWTH Aachen UniversityMassachusetts Institute of TechnologyKurchatov InstituteUniversitat de ValènciaInstituto de Física CorpuscularUniversity College DublinUniversidad Nacional de ColombiaRutherford Appleton LaboratoryInstitute for Nuclear ResearchUniversity of GroningenUniversity of Bari Aldo MoroUniversity of BolognaUniversity of GenoaUniversity of CagliariUniversity of Rome Tor VergataSapienza University of RomeUniversity of BasilicataUniversity of PisaScuola Normale SuperioreUniversity of FerraraUniversity of UrbinoUniversitat Ramon LlullCentral China Normal UniversityP.N. Lebedev Physical Institute of the Russian Academy of Sciences

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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