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Measurement of electroweak production of a W boson in association with two jets in proton-proton collisions at ?s=13Tev

Abstract: A measurement is presented of electroweak (EW) production of a W boson in association with two jets in proton?proton collisions at ?=13TeV. The data sample was recorded by the CMS Collaboration at the LHC and corresponds to an integrated luminosity of 35.9fb-1. The measurement is performed for the ??jj final state (with ?? indicating a leptón-neutrino pair, and j representing the quarks produced in the hard interaction) in a kinematic region defined by invariant mass mjj>120GeV and transverse momenta pTj>25GeV. The cross section of the process is measured in the electron and muon channels yielding ?EW(Wjj)=6.23±0.12(stat)±0.61(syst)pb per channel, in agreement with leading-order standard model predictions. The additional hadronic activity of events in a signal-enriched region is studied, and the measurements are compared with predictions. The final state is also used to perform a search for anomalous trilinear gauge couplings. Limits on anomalous trilinear gauge couplings associated with dimension-six operators are given in the framework of an effective field theory. The corresponding 95% confidence level intervals are ?2.3

Otras publicaciones de la misma revista o congreso con autores/as de la Universidad de Cantabria

 Fuente: Eur. Phys. J. C 80, 43 (2020)

Editorial: Springer New York LLC

 Fecha de publicación: 01/01/2020

Nº de páginas: 46

Tipo de publicación: Artículo de Revista

 DOI: 10.1140/epjc/s10052-019-7585-7

ISSN: 1434-6044,1434-6052

Url de la publicación: https://doi.org/10.1140/epjc/s10052-019-7585-7