(CMS Collaboration) Sirunyan, Albert; Mesić, Benjamin; Godinović, Nikola; Puljak, Ivica; Starodumov, Andrey; Morović, Srećko; Lelas, Damir; Kovač, Marko; Đurić, Senka; Ferenček, Dinko; Brigljević, Vuko; Luetić, Jelena; Antunović, Željko; Kadija, Krešo; Šuša, Tatjana; Woods, Nate (2017) Search for anomalous couplings in boosted WW/WZ to l nu q q-bar production in proton-proton collisions at sqrt(s) = 8 TeV. Physics letters B, 772 . pp. 21-42. ISSN 0370-2693
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Abstract
This Letter presents a search for new physics manifested as anomalous triple gauge boson couplings in WW and WZ diboson production in proton-proton collisions. The search is performed using events containing a W boson that decays leptonically and a W or Z boson whose decay products are merged into a single reconstructed jet. The data, collected at sqrt(s) = 8 TeV with the CMS detector at the LHC, correspond to an integrated luminosity of 19 inverse femtobarns. No evidence for anomalous triple gauge couplings is found and the following 95% confidence level limits are set on their values: lambda ([-0.011, 0.011]), Delta kappa[gamma] ([-0.044, 0.063]), and Delta g[1, Z] ([-0.0087, 0.024]). These limits are also translated into their effective field theory equivalents: c[WWW] / Lambda^2 ([-2.7, 2.7] TeV^{; ; -2}; ; ), c[B] / Lambda^2 ([-14, 17] TeV^{; ; -2}; ; ), and c[W] / Lambda^2 ([-2.0, 5.7] TeV^{; ; -2}; ; ).
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | High energy physics, Experimental particle physics, LHC, CMS, Standard Model |
| Subjects: | NATURAL SCIENCES > Physics |
| Divisions: | Division of Experimental Physics |
| Depositing User: | Jelena Luetić |
| Date Deposited: | 23 Jan 2018 15:23 |
| URI: | http://fulir.irb.hr/id/eprint/3929 |
| DOI: | 10.1016/j.physletb.2017.06.009 |
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