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Search for Anomalous $Wtb$ Couplings in Single Top Quark Production in $p\bar{p}$ Collisions at $\sqrt{s}=1.96$ TeV
Stockholm University, Faculty of Science, Department of Physics. (Elementarpartikelfysik)
2012 (English)In: Physics Letters B, ISSN 0370-2693, Vol. 708, 21-26 p.Article in journal (Refereed) Published
Abstract [en]

We present new direct constraints on a general Wtb interaction using data corresponding to an integrated luminosity of 5.4 fb−1 collected by the D0 detector at the Tevatron collider. The standard model provides a purely left-handed vector coupling at the Wtb vertex, while the most general, lowest dimension Lagrangian allows right-handed vector and left- or right-handed tensor couplings as well. We obtain precise limits on these anomalous couplings by comparing the data to the expectations from different assumptions on the Wtb coupling

Place, publisher, year, edition, pages
2012. Vol. 708, 21-26 p.
National Category
Subatomic Physics
Research subject
URN: urn:nbn:se:su:diva-74246DOI: 10.1016/j.physletb.2012.01.014ISI: 000301310000004OAI: diva2:507296
Swedish Research Council
Publikationen har totalt 409 författare, V. Abazov et al.Available from: 2012-03-03 Created: 2012-03-03 Last updated: 2012-05-31Bibliographically approved

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Åsman, Barbro
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