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Accès ouvert déclaré 2021 article

Measurements of $${\mathrm{p}} {\mathrm{p}} \rightarrow {\mathrm{Z}} {\mathrm{Z}} $$ production cross sections and constraints on anomalous triple gauge couplings at $$\sqrt{s} = 13\,\text {TeV} $$

47Citations signalées — pas une note de qualité
273Institutions déclarées
48Pays d’affiliation déclarés

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Abstract The production of Z boson pairs in proton–proton ( $${\mathrm{p}} {\mathrm{p}} $$ p p ) collisions, $${{\mathrm{p}} {\mathrm{p}} \rightarrow ({\mathrm{Z}}/\gamma ^*)({\mathrm{Z}}/\gamma ^*) \rightarrow 2\ell 2\ell '}$$ p p → ( Z / γ ∗ ) ( Z / γ ∗ ) → 2 ℓ 2 ℓ ′ , where $${\ell ,\ell ' = {\mathrm{e}}}$$ ℓ , ℓ ′ = e or $${{\upmu }}$$ μ , is studied at a center-of-mass energy of 13 $$\,\text {TeV}$$ TeV with the CMS detector at the CERN LHC. The data sample corresponds to an integrated luminosity of 137 $$\,\text {fb}^{-1}$$ fb - 1 , collected during 2016–2018. The $${\mathrm{Z}} {\mathrm{Z}} $$ Z Z production cross section, $$\sigma _{\text {tot}} ({\mathrm{p}} {\mathrm{p}} \rightarrow {\mathrm{Z}} {\mathrm{Z}} ) = 17.4 \pm 0.3 \,\text {(stat)} \pm 0.5 \,\text {(syst)} \pm 0.4 \,\text {(theo)} \pm 0.3 \,\text {(lumi)} \text { pb} $$ σ tot ( p p → Z Z ) = 17.4 ± 0.3 (stat) ± 0.5 (syst) ± 0.4 (theo) ± 0.3 (lumi) pb , measured for events with two pairs of opposite-sign, same-flavor leptons produced in the mass region $${60< m_{\ell ^+\ell ^-} < 120\,\text {GeV}}$$ 60 < m ℓ + ℓ - < 120 GeV is consistent with standard model predictions. Differential cross sections are also measured and agree with theoretical predictions. The invariant mass distribution of the four-lepton system is used to set limits on anomalous $${\mathrm{Z}} {\mathrm{Z}} {\mathrm{Z}} $$ Z Z Z and $${{\mathrm{Z}} {\mathrm{Z}} \gamma }$$ Z Z γ couplings.

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DOI retrouvé dans Crossref DOI retrouvé ; titre concordant.

Titre Crossref
Measurements of $${\mathrm{p}} {\mathrm{p}} \rightarrow {\mathrm{Z}} {\mathrm{Z}} $$ production cross sections and constraints on anomalous triple gauge couplings at $$\sqrt{s} = 13\,\text {TeV} $$
Date Crossref
01/03/2021
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.

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Alikhanyan National LaboratoryInstitute of High Energy PhysicsTU WienUniversity of AntwerpArab Academy for Science, Technology, and Maritime TransportUniversité Libre de BruxellesVrije Universiteit BrusselGhent University HospitalCommissariat à l'Énergie Atomique et aux Énergies AlternativesUniversité Paris-SaclayCEA Paris-SaclayInstitut de Recherche sur les Lois Fondamentales de l'UniversUCLouvainCentro Brasileiro de Pesquisas FísicasUniversidade do Estado do Rio de JaneiroUniversidade Estadual de Campinas (UNICAMP)Universidade Federal do Rio Grande do SulUniversidade Federal de PelotasUniversidade Federal do ABCBulgarian Academy of SciencesInstitute for Nuclear Research and Nuclear EnergySofia University "St. Kliment Ohridski"Beihang UniversityRutgers, The State University of New JerseyTsinghua UniversityUniversity of VirginiaInstitute of High Energy PhysicsUniversity of Chinese Academy of SciencesUniversity of FloridaMassachusetts Institute of TechnologyPeking UniversityUniversity of KansasSun Yat-sen UniversityFudan UniversityInstitute of Modern PhysicsZhejiang UniversityUniversidad de Los AndesUniversidad de AntioquiaUniversity of SplitRuđer Bošković InstituteKurchatov InstituteInstitute for Theoretical and Experimental PhysicsUniversity of CyprusCharles UniversityJoint Institute for Nuclear ResearchNational Polytechnic SchoolUniversidad San Francisco de QuitoCairo UniversityAcademy of Scientific Research and TechnologySuez UniversityBritish University in EgyptZewail City of Science and TechnologyFayoum UniversityNational Institute of Chemical Physics and BiophysicsUniversity of HelsinkiHelsinki Institute of PhysicsLappeenranta-Lahti University of TechnologyPurdue University West LafayetteCentre 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 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Sujets associés

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

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