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Limits on anomalous trilinear gauge boson couplings from WW, WZ and Wgamma production in pp-bar collisions at sqrt{s}=1.96 TeV

Research output: Contribution to journalJournal article

Published

Journal publication date5/12/2012
JournalPhysics Letters B
Journal number2
Volume718
Number of pages9
Pages451-459
Original languageEnglish

Abstract

We present final searches of the anomalous gammaWW and ZWW trilinear gauge boson couplings from WW and WZ production using lepton plus dijet final states and a combination with results from Wgamma, WW, and WZ production with leptonic final states. The analyzed data correspond to up to 8.6/fb of integrated luminosity collected by the D0 detector in pp-bar collisions at sqrt{s}=1.96 TeV. We set the most stringent limits at a hadron collider to date assuming two different relations between the anomalous coupling parameters Delta\kappa_\gamma, lambda, and Delta g_1^Z for a cutoff energy scale Lambda=2 TeV. The combined 68% C.L. limits are -0.057Delta\kappa_\gamma-0.015lambda-0.008g_1^Z-0.007Delta\kappa-0.017lambda

Bibliographic note

10 pages, 5 figures, submitted to PLB