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Production of WZ events in pp(-) collisions at root s=1.96 TeV and limits on anomalous WWZ couplings
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2005 (English)In: Physical Review Letters, ISSN 0031-9007, Vol. 95, no 14, 141802- p.Article in journal (Refereed) Published
Abstract [en]

We present results from a search for WZ production with subsequent decay to l nu l'(l) over bar'(l and l' = e or mu) using 0.30 fb(-1) of data collected by the D0 experiment between 2002 and 2004 at the Fermilab Tevatron. Three events with WZ decay characteristics are observed. With an estimated background of 0.71 +/- 0.08 events, we measure the WZ production cross section to be 4.5(-2.6)(+3.8) pb, with a 95% C.L. upper limit of 13.3 pb. The 95% C.L. limits for anomalous WWZ couplings are found to be -2.0 <Delta kappa(Z)< 2.4 for form factor scale Lambda=1 TeV, and -0.48 <lambda(Z)< 0.48 and -0.49 <Delta g(1)(Z)< 0.66 for Lambda=1.5 TeV.

Place, publisher, year, edition, pages
2005. Vol. 95, no 14, 141802- p.
National Category
Physical Sciences
URN: urn:nbn:se:kth:diva-37836DOI: 10.1103/PhysRevLett.95.141802ISI: 000232229800014ScopusID: 2-s2.0-28844457013OAI: diva2:435321
Available from: 2011-08-18 Created: 2011-08-18 Last updated: 2012-02-02Bibliographically approved

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Clément, ChristopheGollub, NilsStrandberg, Jonas
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