Search for electroweak diboson production in association with a high-mass dijet system in semileptonic final states in pp collisions at √s=13 TeV with the ATLAS detector

Collaboration, ATLAS and Barton, A.E. and Bertram, I.A. and Borissov, G. and Bouhova-Thacker, E.V. and Fox, H. and Henderson, R.C.W. and Jones, R.W.L. and Kartvelishvili, V. and Long, R.E. and Love, P.A. and Muenstermann, D. and Parker, A.J. and Smizanska, M. and Tee, A.S. and Walder, J. and Wharton, A.M. and Whitmore, B.W. (2019) Search for electroweak diboson production in association with a high-mass dijet system in semileptonic final states in pp collisions at √s=13 TeV with the ATLAS detector. Physical Review D, 100 (3). ISSN 1550-7998

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Abstract

This paper reports on a search for electroweak diboson (WW/WZ/ZZ) production in association with a high-mass dijet system, using data from proton-proton collisions at a center-of-mass energy of s=13 TeV. The data, corresponding to an integrated luminosity of 35.5 fb-1, were recorded with the ATLAS detector in 2015 and 2016 at the Large Hadron Collider. The search is performed in final states in which one boson decays leptonically, and the other boson decays hadronically. The hadronically decaying W/Z boson is reconstructed as either two small-radius jets or one large-radius jet using jet substructure techniques. The electroweak production of WW/WZ/ZZ in association with two jets is measured with an observed (expected) significance of 2.7 (2.5) standard deviations, and the fiducial cross section is measured to be 45.1±8.6(stat.)-14.6+15.9(syst.) fb.

Item Type: Journal Article
Journal or Publication Title: Physical Review D
Departments: Faculty of Science and Technology > Physics
Faculty of Science and Technology > Engineering
ID Code: 138112
Deposited By: ep_importer_pure
Deposited On: 22 Oct 2019 09:40
Refereed?: Yes
Published?: Published
Last Modified: 24 Feb 2020 04:04
URI: https://eprints.lancs.ac.uk/id/eprint/138112

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