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Accès ouvert déclaré 2016 article

Measurement of the CP-violating weak phase ϕs and the decay width difference ΔΓs using the Bs0→J/ψϕ(1020) decay channel in pp collisions at s=8 TeV

62Citations signalées — pas une note de qualité
175Institutions déclarées
40Pays d’affiliation déclarés

Résumé fourni par la source

The CP-violating weak phase ϕ s of the B s 0 meson and the decay width difference Δ Γ s of the B s 0 light and heavy mass eigenstates are measured with the CMS detector at the LHC using a data sample of B s 0 → J / ψ ϕ ( 1020 ) → μ + μ − K + K − decays. The analysed data set corresponds to an integrated luminosity of 19.7 fb − 1 collected in pp collisions at a centre-of-mass energy of 8 TeV . A total of 49 200 reconstructed B s 0 decays are used to extract the values of ϕ s and Δ Γ s by performing a time-dependent and flavour-tagged angular analysis of the μ + μ − K + K − final state. The weak phase is measured to be ϕ s = − 0.075 ± 0.097 ( stat ) ± 0.031 ( syst ) rad , and the decay width difference is Δ Γ s = 0.095 ± 0.013 ( stat ) ± 0.007 ( syst ) ps − 1 .

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Contrôle bibliographique ouvert

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

Titre Crossref
Measurement of the CP-violating weak phase ϕs and the decay width difference ΔΓs using the <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si1.gif" overflow="scroll"><mml:msubsup><mml:mrow><mml:mi mathvariant="normal">B</mml:mi></mml:mrow><mml:mrow><mml:mi mathvariant="normal">s</mml:mi></mml:mrow><mml:mrow><mml:mn>0</mml:mn></mml:mrow></mml:msubsup><mml:mo stretchy="false">→</mml:mo><mml:mi mathvariant="normal">J</mml:mi><mml:mo stretchy="false">/</mml:mo><mml:mi>ψ</mml:mi><mml:mspace width="0.2em"/><mml:mi>ϕ</mml:mi><mml:mo stretchy="false">(</mml:mo><mml:mn>1020</mml:mn><mml:mo stretchy="false">)</mml:mo></mml:math> decay channel in pp collisions at <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si2.gif" overflow="scroll"><mml:msqrt><mml:mi>s</mml:mi></mml:msqrt><mml:mo>=</mml:mo><mml:mn>8</mml:mn><mml:mtext> TeV</mml:mtext></mml:math>
Date Crossref
01/06/2016
Éditeur
Elsevier BV
Type
journal-article

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Institutions déclarées

A. Alikhanyan National LaboratoryInstitute of High Energy PhysicsUniversity of AntwerpVrije Universiteit BrusselUniversité Libre de BruxellesVanderbilt UniversityGhent University HospitalUCLouvainUniversity of MonsCentro Brasileiro de Pesquisas FísicasUniversidade do Estado do Rio de JaneiroUniversity of FloridaUniversidade Estadual Paulista (Unesp)Institute for Nuclear Research and Nuclear EnergySofia University "St. Kliment Ohridski"Institute of High Energy PhysicsCommissariat à l'Énergie Atomique et aux Énergies AlternativesCEA Paris-SaclayInstitut de Recherche sur les Lois Fondamentales de l'UniversUniversidad de Los AndesPeking UniversityRuđer Bošković InstituteUniversity of SplitCharles UniversityAcademy of Scientific Research and TechnologyUniversity of CyprusHelsinki Institute of PhysicsNational Institute of Chemical Physics and BiophysicsUniversity of HelsinkiLappeenranta-Lahti University of TechnologyCentre National de la Recherche ScientifiqueÉcole PolytechniqueInstitut National de Physique Nucléaire et de Physique des ParticulesLaboratoire Leprince-RinguetUniversité de Haute-AlsaceInstitut Pluridisciplinaire Hubert CurienUniversité de StrasbourgLyon 1 UniversitéInstitute of Nuclear Physics of LyonTbilisi State UniversityRWTH Aachen UniversityCentre de Calcul de l’Institut National de Physique Nucléaire et de Physique des ParticulesHUN-REN Wigner Research Centre for PhysicsGeorgian Technical UniversityDeutsches Elektronen-Synchrotron DESYUniversität HamburgUniversity of ZurichMax Planck Institute for Nuclear PhysicsEuropean Organization for Nuclear ResearchUniversity of Illinois ChicagoUniversity of DebrecenUniversity of DelhiSaha Institute of Nuclear PhysicsNational Centre of Scientific Research "Demokritos"Institute of Nuclear and Particle PhysicsTata Institute of Fundamental ResearchNational and Kapodistrian University of AthensUniversity of IoanninaHUN-REN Institute for Nuclear ResearchInstitute for Research in Fundamental SciencesNational Institute of Science Education and ResearchPanjab UniversityIstituto Nazionale di Fisica Nucleare, Sezione di BariBhabha Atomic Research CentreIstituto Nazionale di Fisica Nucleare, Sezione di CataniaIstituto Nazionale di Fisica Nucleare, Sezione di BolognaIndian Institute of Science Education and Research PuneNational Central UniversityIstituto Nazionale di Fisica Nucleare, Sezione di FirenzeUniversity of KansasIstituto Nazionale di Fisica Nucleare, Sezione di GenovaIstituto Nazionale di Fisica Nucleare, Sezione di Milano BicoccaIstituto Nazionale di Fisica Nucleare, Sezione di NapoliUniversity College DublinIstituto Nazionale di Fisica Nucleare, Sezione di PadovaIstituto Nazionale di Fisica Nucleare, Laboratori Nazionali di FrascatiIstituto Nazionale di Fisica Nucleare, Sezione di PerugiaETH ZurichIstituto Nazionale di Fisica Nucleare, Sezione di TorinoUniversity of TriesteIstituto Nazionale di Fisica Nucleare, Sezione di TriesteUniversity of MalayaJeonbuk National UniversityIstituto Nazionale di Fisica Nucleare, Sezione di PaviaVilnius UniversityIstituto Nazionale di Fisica Nucleare, Sezione di PisaAbdus Salam Centre for PhysicsIstituto Nazionale di Fisica Nucleare, Sezione di Roma IUniversity of WarsawLIP - Laboratory of Instrumentation and Experimental Particle PhysicsJoint Institute for Nuclear ResearchCentro de Investigaciones Energéticas, Medioambientales y TecnológicasPetersburg Nuclear Physics InstituteKangwon National UniversityKyungpook National UniversityUniversity of SeoulChonnam National UniversityKorea UniversitySungkyunkwan UniversitySeoul National UniversityInstitute for High Energy PhysicsInstituto Politécnico NacionalCentro de Investigación y de Estudios Avanzados del Instituto Politécnico NacionalIbero American UniversityBenemérita Universidad Autónoma de PueblaAutonomous University of San Luis PotosíUniversity of AucklandUniversity of CanterburyNational Centre for Nuclear ResearchUniversidad de OviedoUniversidad de CantabriaInstituto de Física de CantabriaInstitute for Nuclear ResearchInstitute for Theoretical and Experimental PhysicsP.N. Lebedev Physical Institute of the Russian Academy of SciencesLomonosov Moscow State UniversityUniversity of BelgradeVinča Institute of Nuclear SciencesUniversidad Autónoma de MadridUniversity of Maryland, College ParkNational Taiwan UniversityCukurova UniversityIstanbul Technical UniversityUniversity of BristolRutherford Appleton LaboratoryUniversity of California San DiegoImperial College LondonPaul Scherrer InstituteBrunel University of LondonBaylor UniversityUniversity of AlabamaBrown UniversityFermi National Accelerator LaboratoryUniversity of California, DavisCalifornia Institute of TechnologyUniversity of California, RiversideChulalongkorn UniversityMiddle East Technical UniversityBoğaziçi UniversityUniversity of IowaUniversity of Colorado BoulderInstitute for Scintillation MaterialsKharkiv Institute of Physics and TechnologyRutgers, The State University of New JerseyCornell UniversityFlorida International UniversityFlorida State UniversityUniversity of California, Los AngelesJohns Hopkins UniversityUniversity of California, Santa BarbaraCarnegie Mellon UniversityUniversity of MinnesotaUniversity of Nebraska–LincolnUniversity of RochesterUniversity of Notre DameMassachusetts Institute of TechnologyUniversity at Buffalo, State University of New YorkPurdue University West LafayetteNortheastern UniversityNorthwestern UniversityThe Ohio State UniversityUniversity of Wisconsin–MadisonPrinceton UniversityFlorida Institute of TechnologyRice UniversityUniversity of Tennessee at KnoxvilleTexas A&M UniversityKansas State UniversityLawrence Livermore National LaboratoryWayne State UniversityUniversity of MississippiPurdue University NorthwestRockefeller UniversityTexas Tech UniversityUniversity of Virginia

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Sujets associés

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

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