Search for triboson W±W±W∓ production in pp collisions at √s=8 TeV with the ATLAS detector

Barton, Adam Edward and Beattie, Michael and Bertram, Iain Alexander and Borissov, Guennadi and Bouhova-Thacker, Evelina Vassileva and Dearnaley, William and Fox, Harald and Grimm, Kathryn Ann Tschann and Henderson, Robert Charles William and Hughes, Gareth and Jones, Roger William Lewis and Kartvelishvili, Vakhtang and Long, Robin Eamonn and Love, Peter Allan and Muenstermann, Daniel Matthias Alfred and Parker, Adam Jackson and Skinner, Malcolm and Smizanska, Maria and Walder, James William and Wharton, Andy (2017) Search for triboson W±W±W∓ production in pp collisions at √s=8 TeV with the ATLAS detector. European Physical Journal C: Particles and Fields, 77. ISSN 1434-6044

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Abstract

This paper reports a search for triboson W±W±W∓W±W±W∓ production in two decay channels ( W±W±W∓→ℓ±νℓ±νℓ∓νW±W±W∓→ℓ±νℓ±νℓ∓ν and W±W±W∓→ℓ±νℓ±νjjW±W±W∓→ℓ±νℓ±νjj with ℓ=e,μℓ=e,μ ) in proton-proton collision data corresponding to an integrated luminosity of 20.3 fb−1fb−1 at a centre-of-mass energy of 8 TeVTeV with the ATLAS detector at the Large Hadron Collider. Events with exactly three charged leptons, or two leptons with the same electric charge in association with two jets, are selected. The total number of events observed in data is consistent with the Standard Model (SM) predictions. The observed 95% confidence level upper limit on the SM W±W±W∓W±W±W∓ production cross section is found to be 730 fb with an expected limit of 560 fb in the absence of SM W±W±W∓W±W±W∓ production. Limits are also set on WWWW anomalous quartic gauge couplings.

Item Type: Journal Article
Journal or Publication Title: European Physical Journal C: Particles and Fields
Uncontrolled Keywords: /dk/atira/pure/subjectarea/asjc/2200/2201
Subjects:
Departments: Faculty of Science and Technology > Physics
ID Code: 85855
Deposited By: ep_importer_pure
Deposited On: 06 Apr 2017 08:34
Refereed?: Yes
Published?: Published
Last Modified: 19 Feb 2020 03:47
URI: https://eprints.lancs.ac.uk/id/eprint/85855

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