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Measurement of the $WZ\rightarrow \ell\nu\ell\ell$ Cross Section and Limits on Anomalous Triple Gauge Couplings in $p\bar{p}$ collisions at $\sqrt{s}$ = 1.96 TeV
Stockholm University, Faculty of Science, Department of Physics.
2011 (English)In: Physics Letters B, ISSN 0370-2693, Vol. 695, no 1-4, 67-73 p.Article in journal (Refereed) Published
Abstract [en]

We present a new measurement of the WZν (=e,μ) cross section and limits on anomalous triple gauge couplings. Using 4.1 fb−1 of integrated luminosity of collisions at , we observe 34 WZ candidate events with an estimated background of 6.0±0.4 events. We measure the WZ production cross section to be , in good agreement with the standard model prediction. We find no evidence for anomalous WWZ couplings and set 95% C.L. limits on the coupling parameters, −0.077<λZ<0.093 and −0.029<ΔκZ<0.080 in the HISZ parameterization for a Λ=2 TeV form factor scale. These are the best limits to date obtained from the direct measurement of the WWZ vertex.

Place, publisher, year, edition, pages
2011. Vol. 695, no 1-4, 67-73 p.
Keyword [en]
Diboson production, W and Z bosons, Cross section, Anomalous triple gauge couplings, Tevatron, D0
National Category
Subatomic Physics
Research subject
URN: urn:nbn:se:su:diva-49947DOI: 10.1016/j.physletb.2010.10.047ISI: 000286708700013OAI: diva2:379987
Swedish Research Council
Publikationen har totalt 445 författare, V. Abazov et al.Available from: 2010-12-20 Created: 2010-12-20 Last updated: 2012-01-20Bibliographically approved

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Åsman, Barbro
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