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Accès ouvert déclaré 2026 article

Measurement of the W → μν cross-sections as a function of the muon transverse momentum in pp collisions at 5.02 TeV

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100Institutions déclarées
21Pays d’affiliation déclarés

Résumé fourni par la source

A bstract The pp → W ± (→ μ ± ν μ ) X cross-sections are measured at a proton-proton centre-of-mass energy $$ \sqrt{s}=5.02 $$ s = 5.02 TeV using a dataset corresponding to an integrated luminosity of 100 pb − 1 recorded by the LHCb experiment. Considering muons in the pseudorapidity range 2 . 2 < η < 4 . 4, the cross-sections are measured differentially in twelve intervals of muon transverse momentum between 28 < p T < 52 GeV. Integrated over p T , the measured cross-sections are $$ {\displaystyle \begin{array}{c}{\sigma}_{W^{+}\to {\mu}^{+}{\nu}_{\mu }}=300.9\pm 2.4\pm 3.8\pm 6.0\ \textrm{pb},\\ {}{\sigma}_{W^{-}\to {\mu}^{-}{\overline{\nu}}_{\mu }}=236.9\pm 2.1\pm 2.7\pm 4.7\ \textrm{pb},\end{array}} $$ σ W + → μ + ν μ = 300.9 ± 2.4 ± 3.8 ± 6.0 pb , σ W − → μ − ν ¯ μ = 236.9 ± 2.1 ± 2.7 ± 4.7 pb , where the first uncertainties are statistical, the second are systematic, and the third are associated with the luminosity calibration. These integrated results are consistent with theoretical predictions. This analysis introduces a new method to determine the W -boson mass using the measured differential cross-sections corrected for detector effects. The measurement is performed on this statistically limited dataset as a proof of principle and yields $$ {m}_W=80369\pm 130\pm 33\ \textrm{MeV}, $$ m W = 80369 ± 130 ± 33 MeV , where the first uncertainty is experimental and the second is theoretical.

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DOI retrouvé dans Crossref DOI retrouvé ; titre concordant.

Titre Crossref
Measurement of the W → μν cross-sections as a function of the muon transverse momentum in pp collisions at 5.02 TeV
Date Crossref
16/03/2026
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

National Institute for Subatomic PhysicsUniversity of WarwickUniversity of ZurichUniversity of LiverpoolSyracuse UniversityUniversidade de Santiago de CompostelaUniversity of BristolUppsala UniversityCentre National de la Recherche ScientifiqueUniversité Paris-SaclayInstitut National de Physique Nucléaire et de Physique des ParticulesLaboratoire de Physique des 2 Infinis Irène Joliot-CurieUniversity of MichiganUniversité Clermont AuvergneLaboratoire de Physique de Clermont AuvergneIstituto Nazionale di Fisica Nucleare, Laboratori Nazionali di FrascatiTU Dortmund UniversityVilnius UniversityEuropean Organization for Nuclear ResearchUniversity of CambridgeDélégation Paris 7Université Paris CitéSorbonne UniversitéSorbonne Paris CitéLaboratoire de Physique Nucléaire et de Hautes ÉnergiesUniversidade Federal do Rio de JaneiroPeking UniversityIstituto Nazionale di Fisica Nucleare, Sezione di FirenzeIstituto Nazionale di Fisica Nucleare, Sezione di FerraraUniversidade da CoruñaIstituto Nazionale di Fisica Nucleare, Sezione di Milano BicoccaUniversity of Chinese Academy of SciencesCommissariat à l'Énergie Atomique et aux Énergies AlternativesCEA Paris-Saclay - Etablissement de SaclayCEA Paris-SaclayInstitut de Recherche sur les Lois Fondamentales de l'UniversIstituto Nazionale di Fisica Nucleare, Roma Tor VergataConsejo Nacional de RectoresAix-Marseille UniversitéCentre de physique des particules de MarseilleÉcole Polytechnique Fédérale de LausanneMassachusetts Institute of TechnologyÉcole PolytechniqueLaboratoire Leprince-RinguetUniversity of OxfordHeidelberg UniversityRuhr University BochumCentro Brasileiro de Pesquisas FísicasPontifícia Universidade Católica do Rio de JaneiroUniversity of ManchesterIstituto Nazionale di Fisica Nucleare, Sezione di BolognaUniversity of EdinburghAGH University of KrakowIstituto Nazionale di Fisica Nucleare, Sezione di PisaIstituto Nazionale di Fisica Nucleare, Sezione di GenovaIstituto Nazionale di Fisica Nucleare, Sezione di Roma IUniversitat Ramon LlullIstituto Nazionale di Fisica Nucleare, Sezione di PadovaTaras Shevchenko National University of KyivInstitute of Nuclear Physics, Polish Academy of SciencesUniversity of BonnImperial College LondonLaboratoire d’Annecy de Physique des ParticulesUniversité Savoie Mont BlancLos Alamos National LaboratoryMaastricht UniversityAustralian Regenerative Medicine InstituteMonash UniversityCracow University of TechnologyThe Ohio State UniversityIstituto Nazionale di Fisica Nucleare, Sezione di CagliariWuhan UniversityUniversitat de BarcelonaIstituto Nazionale di Fisica Nucleare, Sezione di MilanoTsinghua UniversityEötvös Loránd UniversityHoria Hulubei National Institute for R and D in Physics and Nuclear EngineeringFZU ‒ Institute of Physics of the Academy of Sciences of the Czech RepublicIstituto Nazionale di Fisica Nucleare, Sezione di BariUniversity of GlasgowUniversity of CincinnatiHunan UniversityUniversity of GroningenCentral China Normal UniversityUniversity College DublinSouth China Normal UniversityIstituto Nazionale di Fisica Nucleare, Sezione di PerugiaRutherford Appleton LaboratoryUniversitat de ValènciaInstituto de Física CorpuscularUniversity of Maryland, College ParkKharkiv Institute of Physics and TechnologyUniversity of FreiburgRWTH Aachen UniversityUniversidad Nacional de ColombiaUniversity of BirminghamHenan Normal UniversityLanzhou UniversityMax Planck Institute for Nuclear PhysicsUniversidad Andrés Bello

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Sujets associés

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

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