Please use this identifier to cite or link to this item:
https://hdl.handle.net/2440/114892
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Type: | Journal article |
Title: | Study of WWγ and WZγ production in pp collisions at √s=8TeV and search for anomalous quartic gauge couplings with the ATLAS experiment |
Other Titles: | Study of WWgamma and WZgamma production in pp collisions at root s=8TeV and search for anomalous quartic gauge couplings with the ATLAS experiment |
Author: | Aaboud, M. Aad, G. Abbott, B. Abdinov, O. Abeloos, B. Abidi, S. AbouZeid, O. Abraham, N. Abramowicz, H. Abreu, H. Abreu, R. Abulaiti, Y. Acharya, B. Adachi, S. Adamczyk, L. Adelman, J. Adersberger, M. Adye, T. Affolder, A. Agatonovic-Jovin, T. et al. |
Citation: | European Physical Journal C: Particles and Fields, 2017; 77(9):646-1-646-30 |
Publisher: | Springer |
Issue Date: | 2017 |
ISSN: | 1434-6044 1434-6052 |
Statement of Responsibility: | M. Aaboud, G. Aad, B. Abbott ... Paul D. Jackson … Andreas Petridis … Martin White … et al. (ATLAS Collaboration) |
Abstract: | This paper presents a study of WWγ and WZγ triboson production using events from proton–proton collisions at a centre-of-mass energy of s√=8TeV recorded with the ATLAS detector at the LHC and corresponding to an integrated luminosity of 20.2 fb−1. The WWγ production cross-section is determined using a final state containing an electron, a muon, a photon, and neutrinos (eνμνγ). Upper limits on the production cross-section of the eνμνγ final state and the WWγ and WZγ final states containing an electron or a muon, two jets, a photon, and a neutrino (eνjjγ or μνjjγ) are also derived. The results are compared to the cross-sections predicted by the Standard Model at next-to-leading order in the strong-coupling constant. In addition, upper limits on the production cross-sections are derived in a fiducial region optimised for a search for new physics beyond the Standard Model. The results are interpreted in the context of anomalous quartic gauge couplings using an effective field theory. Confidence intervals at 95% confidence level are derived for the 14 coupling coefficients to which WWγ and WZγ production are sensitive. |
Keywords: | ATLAS Collaboration |
Rights: | © CERN for the benefit of the ATLAS collaboration 2017. This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. |
DOI: | 10.1140/epjc/s10052-017-5180-3 |
Published version: | http://dx.doi.org/10.1140/epjc/s10052-017-5180-3 |
Appears in Collections: | Aurora harvest 8 Physics publications |
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hdl_114892.pdf | Published version | 1.89 MB | Adobe PDF | View/Open |
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