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Limits on anomalous trilinear gauge boson couplings from WW, WZ and Wγ production in pp- collisions at √s=1.96TeV
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2012 (English)In: Physics Letters B, ISSN 0370-2693, E-ISSN 1873-2445, Vol. 718, no 2, 451-459 p.Article in journal (Refereed) Published
Abstract [en]

We present searches for the anomalous γWW and ZWW trilinear gauge boson couplings from WW and WZ production using lepton plus dijet final states and a combination with results from Wγ, WW, and WZ production with leptonic final states. The analyzed data correspond to up to 8.6fb -1 of integrated luminosity collected by the D0 detector in pp- collisions at s=1.96TeV. We set the most stringent limits at a hadron collider to date assuming two different relations between the anomalous coupling parameters δκ γ, λ, and δg1Z for a cutoff energy scale Λ=2TeV. The combined 68% C.L. limits are -0.057<δκ γ<0.154, -0.015<λ<0.028, and -0.008<δg1Z<0.054 for the LEP parameterization, and -0.007<δκ<0.081 and -0.017<λ<0.028 for the equal couplings parameterization. We also present the most stringent limits of the W boson magnetic dipole and electric quadrupole moments.

Place, publisher, year, edition, pages
2012. Vol. 718, no 2, 451-459 p.
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Natural Sciences
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URN: urn:nbn:se:uu:diva-192872DOI: 10.1016/j.physletb.2012.10.062ISI: 000312687700020OAI: oai:DiVA.org:uu-192872DiVA: diva2:601032
Available from: 2013-01-28 Created: 2013-01-25 Last updated: 2017-12-06Bibliographically approved

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Buszello, Claus P.

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