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Evidence of $WW$ and $WZ$ Production with Lepton + Jets Final States in $p\bar{p}$ Collisions at $\sqrt{s}=1.96$ TeV
Stockholm University, Faculty of Science, Department of Physics. (Elementarpartikelfysik)
Stockholm University, Faculty of Science, Department of Physics. (Elementarpartikelfysik)
2009 (English)In: Physical Review Letters, ISSN 0031-9007, E-ISSN 1079-7114, Vol. 102, 161801- p.Article in journal (Refereed) Published
Abstract [en]

We present first evidence for WW+WZ production in lepton+jets final states at a hadron collider. The data correspond to 1.07  fb-1 of integrated luminosity collected with the D0 detector at the Fermilab Tevatron in pp̅ collisions at √s=1.96  TeV. The observed cross section for WW+WZ production is 20.2±4.5  pb, consistent with the standard model and more precise than previous measurements in fully leptonic final states. The probability that background fluctuations alone produce this excess is <5.4×10-6, which corresponds to a significance of 4.4 standard deviations.

Place, publisher, year, edition, pages
2009. Vol. 102, 161801- p.
National Category
Subatomic Physics
Research subject
Physics
Identifiers
URN: urn:nbn:se:su:diva-33062DOI: 10.1103/PhysRevLett.102.161801OAI: oai:DiVA.org:su-33062DiVA: diva2:282292
Projects
D0
Note
Publikationen har totalt 509 författare, V. Abazov et al.Available from: 2009-12-18 Created: 2009-12-18 Last updated: 2017-12-12Bibliographically approved

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Publisher's full texthttp://dx.doi.org/10.1103/PhysRevLett.102.161801

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