Sirunyan, AM;
Tumasyan, A;
Adam, W;
Ambrogi, F;
Bergauer, T;
Brandstetter, J;
Dragicevic, M;
... Alves, FL; + view all
(2019)
Search for anomalous triple gauge couplings in WW and WZ production in lepton + jet events in proton-proton collisions at \sqrt{s} = 13 TeV.
Journal of High Energy Physics
(12)
, Article 62. 10.1007/JHEP12(2019)062.
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Abstract
A search is presented for three additional operators that would lead to anomalous WWγ or WWZ couplings with respect to those in the standard model. They are constrained by studying events with two vector bosons; a W boson decaying to eν or μν, and a W or Z boson decaying hadronically, reconstructed as a single, massive, large- radius jet. The search uses a data set of proton-proton collisions at a centre-of-mass energy of 13 TeV, recorded by the CMS experiment at the CERN LHC in 2016, and corresponding to an integrated luminosity of 35.9 fb^{-1}. Using the reconstructed diboson invariant mass, 95% confidence intervals are obtained for the anomalous coupling parameters of −1.58 < cWWW/Λ^{2} < 1.59 TeV^{-2}, −2.00 < cW/Λ^{2} < 2.65 TeV^{-2}, −8.78 < cB/Λ^{2} < 8.54 TeV^{2}, in agreement with standard model expectations of zero for each parameter. These are the strictest bounds on these parameters to date.
| Type: | Article |
|---|---|
| Title: | Search for anomalous triple gauge couplings in WW and WZ production in lepton + jet events in proton-proton collisions at \sqrt{s} = 13 TeV |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1007/JHEP12(2019)062 |
| Publisher version: | https://doi.org/10.1007/JHEP12(2019)062 |
| Language: | English |
| Additional information: | © 2019 Springer Nature. This article is distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/). |
| Keywords: | Beyond Standard Model, Hadron-Hadron scattering (experiments) |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences |
| URI: | https://discovery-pp.ucl.ac.uk/id/eprint/10089529 |
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