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Accès ouvert déclaré 2018 article

Measurement of associated Z + charm production in proton–proton collisions at $$\sqrt{s} = 8$$ s = 8 $$\,\text {TeV}$$ TeV

18Citations signalées — pas une note de qualité
196Institutions déclarées
42Pays d’affiliation déclarés

Résumé fourni par la source

A study of the associated production of a Z boson and a charm quark jet (Z + c), and a comparison to production with a b quark jet (Z + b), in pp collisions at a centre-of-mass energy of 8 TeV are presented.The analysis uses a data sample corresponding to an integrated luminosity of 19.7 fb -1 , collected with the CMS detector at the CERN LHC.The Z boson candidates are identified through their decays into pairs of electrons or muons.Jets originating from heavy flavour quarks are identified using semileptonic decays of c or b flavoured hadrons and hadronic decays of charm hadrons.The measurements are performed in the kinematic region with two leptons with p ℓ T > 20 GeV, |η ℓ | < 2.1, 71 < m ℓℓ < 111 GeV, and heavy flavour jets with p jet T > 25 GeV and |η jet | < 2.5.The Z + c production cross section is measured to be σ (pp → Z + c + X )B(Z → ℓ + ℓ -) = 8.8±0.5 (stat)±0.6(syst) pb.The ratio of the Z+c and Z+b production cross sections is measured to be σ (pp → Z+c+ X )/σ (pp → Z+b+ X ) = 2.0±0.2(stat)±0.2(syst).The Z +c production cross section and the cross section ratio are also measured as a function of the transverse momentum of the Z boson and of the heavy flavour jet.The measurements are compared with theoretical predictions.

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Contrôle bibliographique ouvert

DOI retrouvé dans Crossref DOI retrouvé ; titre concordant.

Titre Crossref
Measurement of associated Z + charm production in proton–proton collisions at $$\sqrt{s} = 8$$ s = 8 $$\,\text {TeV}$$ TeV
Date Crossref
01/04/2018
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

A. Alikhanyan National LaboratoryInstitute of High Energy PhysicsUniversity of AntwerpVrije Universiteit BrusselUniversité Libre de BruxellesGhent University HospitalUCLouvainUniversity of MonsCentro Brasileiro de Pesquisas FísicasUniversidade do Estado do Rio de JaneiroUniversidade Federal do ABCBulgarian Academy of SciencesInstitute for Nuclear Research and Nuclear EnergySofia University "St. Kliment Ohridski"Beihang UniversityInstitute of High Energy PhysicsAbdus Salam Centre for PhysicsPeking UniversityEuropean Organization for Nuclear ResearchTexas Tech UniversityUniversity of California, DavisUniversidad de Los AndesUniversity of SplitRuđer Bošković InstituteUniversity of CyprusCharles UniversityUniversidad San Francisco de QuitoAcademy of Scientific Research and TechnologyNational Institute of Chemical Physics and BiophysicsUniversity of HelsinkiHelsinki Institute of PhysicsLappeenranta-Lahti University of TechnologyCommissariat à l'Énergie Atomique et aux Énergies AlternativesUniversité Paris-SaclayCEA Paris-SaclayInstitut de Recherche sur les Lois Fondamentales de l'UniversSaha Institute of Nuclear PhysicsCentre National de la Recherche ScientifiqueÉcole PolytechniqueLaboratoire Leprince-RinguetInstitut Pluridisciplinaire Hubert CurienUniversité de StrasbourgCentre de Calcul de l’Institut National de Physique Nucléaire et de Physique des ParticulesLyon 1 UniversitéInstitut National de Physique Nucléaire et de Physique des ParticulesInstitute of Nuclear Physics of LyonGeorgian Technical UniversityTbilisi State UniversityRWTH Aachen UniversityDeutsches Elektronen-Synchrotron DESYMax Planck Institute for Nuclear PhysicsUniversidad de OviedoUniversität HamburgNational Centre of Scientific Research "Demokritos"Institute of Nuclear and Particle PhysicsNational and Kapodistrian University of AthensUniversity of IoanninaEötvös Loránd UniversityHUN-REN Wigner Research Centre for PhysicsHUN-REN Institute for Nuclear ResearchUniversity of DebrecenIndian Institute of Science BangaloreNational Institute of Science Education and ResearchPanjab UniversityUniversity of DelhiNational Taiwan UniversityIndian Institute of Science Education and Research PuneUniversity of California San DiegoNorthwestern UniversityTata Institute of Fundamental ResearchIndian Institute of Technology MadrasBhabha Atomic Research CentreFermi National Accelerator LaboratoryInstitute for Research in Fundamental SciencesUniversity College DublinIstituto Nazionale di Fisica Nucleare, Sezione di BariPolytechnic University of BariIstituto Nazionale di Fisica Nucleare, Sezione di BolognaUniversity of BolognaIstituto Nazionale di Fisica Nucleare, Laboratori Nazionali di FrascatiIstituto Nazionale di Fisica Nucleare, Sezione di CataniaIstituto Nazionale di Fisica Nucleare, Sezione di FirenzeIstituto Nazionale di Fisica Nucleare, Sezione di GenovaIstituto Nazionale di Fisica Nucleare, Sezione di Milano BicoccaIstituto Nazionale di Fisica Nucleare, Sezione di NapoliUniversity of PaduaUniversity of TrentoIstituto Nazionale di Fisica Nucleare, Sezione di PadovaUniversity of PaviaIstituto Nazionale di Fisica Nucleare, Sezione di PaviaIstituto Nazionale di Fisica Nucleare, Sezione di PerugiaUniversity of PisaScuola Normale SuperioreIstituto Nazionale di Fisica Nucleare, Sezione di PisaIstituto Nazionale di Fisica Nucleare, Sezione di Roma ISapienza University of RomeUniversità degli Studi del Piemonte Orientale “Amedeo Avogadro”Istituto Nazionale di Fisica Nucleare, Sezione di TorinoUniversity of TriesteIstituto Nazionale di Fisica Nucleare, Sezione di TriesteKyungpook National UniversityUniversity of SeoulSungkyunkwan UniversityKorea UniversityUniversity of ZurichJeonbuk National UniversityChonnam National UniversityHanyang UniversitySeoul National UniversityVilnius UniversityUniversity of MalayaInstituto 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 ResearchUniversity of WarsawLIP - Laboratory of Instrumentation and Experimental Particle PhysicsJoint Institute for Nuclear ResearchPetersburg Nuclear Physics InstituteInstitute for Nuclear ResearchInstitute for Theoretical and Experimental PhysicsMoscow Institute of Physics and TechnologyNational Research Nuclear University MEPhIP.N. Lebedev Physical Institute of the Russian Academy of SciencesLomonosov Moscow State UniversityRutherford Appleton LaboratoryNovosibirsk State UniversityInstitute for High Energy PhysicsUniversity of BelgradeCentro de Investigaciones Energéticas, Medioambientales y TecnológicasUniversidad Autónoma de MadridUniversidad de CantabriaInstituto de Física de CantabriaPaul Scherrer InstituteETH ZurichNational Central UniversityChulalongkorn UniversityCukurova UniversityMiddle East Technical UniversityBoğaziçi UniversityIstanbul Technical UniversityInstitute for Scintillation MaterialsKharkiv Institute of Physics and TechnologyUniversity of BristolImperial College LondonUniversity of Puerto Rico-MayaguezBrunel University of LondonBaylor UniversityUniversity of AmericaCatholic University of AmericaUniversity of AlabamaBrown UniversityUniversity of California, Los AngelesUniversity of California, RiversideUniversity of California, Santa BarbaraCalifornia Institute of TechnologyCarnegie Mellon UniversityUniversity of Colorado BoulderCornell UniversityFairfield UniversityUniversity of FloridaMassachusetts Institute of TechnologyFlorida International UniversityFlorida State UniversityFlorida Institute of TechnologyUniversity of Illinois ChicagoUniversity of IowaJohns Hopkins UniversityUniversity of KansasKansas State UniversityLawrence Livermore National LaboratoryUniversity of Maryland, College ParkUniversity of MinnesotaUniversity of MississippiUniversity of Nebraska–LincolnUniversity at Buffalo, State University of New YorkNortheastern UniversityUniversity of Notre DameThe Ohio State UniversityPrinceton UniversityPurdue University West LafayettePurdue University NorthwestRice UniversityUniversity of RochesterRockefeller UniversityRutgers, The State University of New JerseyUniversity of Tennessee at KnoxvilleTexas A&M UniversityVanderbilt UniversityUniversity of VirginiaWayne State UniversityUniversity of Wisconsin–Madison

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Sujets associés

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

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