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Observation of electroweak production of Wγ with two jets in proton-proton collisions at s=13 TeV

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dc.contributor.authorSirunyan, A. M.
dc.contributor.authorTumasyan, A.
dc.contributor.authorAdam, W.
dc.contributor.authorAmbrogi, F.
dc.contributor.authorChistov, R.
dc.contributor.authorDanilov, M.
dc.contributor.authorOskin, A.
dc.contributor.authorParygin, P.
dc.contributor.authorPolikarpov, S.
dc.contributor.authorMatveev, V.
dc.contributor.authorЧистов, Руслан Николаевич
dc.contributor.authorДанилов, Михаил Владимирович
dc.contributor.authorПоликарпов, Сергей Михайлович
dc.contributor.authorМатвеев, Виктор Анатольевич
dc.date.accessioned2024-11-27T15:59:35Z
dc.date.available2024-11-27T15:59:35Z
dc.date.issued2020
dc.description.abstract© 2020 The Author(s)A first observation is presented for the electroweak production of a W boson, a photon, and two jets in proton-proton collisions. The W boson decays are selected by requiring one identified electron or muon and an imbalance in transverse momentum. The two jets are required to have a high dijet mass and a large separation in pseudorapidity. The measurement is based on data collected with the CMS detector at a center-of-mass energy of 13 TeV, corresponding to an integrated luminosity of 35.9 fb−1. The observed (expected) significance for this process is 4.9 (4.6) standard deviations. After combining with previously reported CMS results at 8 TeV, the observed (expected) significance is 5.3 (4.8) standard deviations. The cross section for the electroweak Wγjj production in a restricted fiducial region is measured as 20.4±4.5fb and the total cross section for Wγ production in association with 2 jets in the same fiducial region is 108±16fb. All results are in good agreement with recent theoretical predictions. Constraints are placed on anomalous quartic gauge couplings in terms of dimension-8 effective field theory operators.
dc.identifier.citationObservation of electroweak production of Wγ with two jets in proton-proton collisions at s=13 TeV / Sirunyan, A.M. [et al.] // Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. - 2020. - 10.1016/j.physletb.2020.135988
dc.identifier.doi10.1016/j.physletb.2020.135988
dc.identifier.urihttps://www.doi.org/10.1016/j.physletb.2020.135988
dc.identifier.urihttps://www.scopus.com/record/display.uri?eid=2-s2.0-85098720639&origin=resultslist
dc.identifier.urihttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000599859900022
dc.identifier.urihttps://openrepository.mephi.ru/handle/123456789/23043
dc.relation.ispartofPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
dc.titleObservation of electroweak production of Wγ with two jets in proton-proton collisions at s=13 TeV
dc.typeArticle
dspace.entity.typePublication
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