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Evidence of WW and WZ Production with lepton plus jets Final States in pp Collisions at root s=1.96 TeV
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2009 (English)In: Physical Review Letters, ISSN 0031-9007, E-ISSN 1079-7114, Vol. 102, no 16, 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 pp collisions at root 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 < 5.4x10(-6), which corresponds to a significance of 4.4 standard deviations.

Place, publisher, year, edition, pages
2009. Vol. 102, no 16, 161801- p.
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Physical Sciences
Identifiers
URN: urn:nbn:se:uu:diva-129078DOI: 10.1103/PhysRevLett.102.161801ISI: 000265479300012OAI: oai:DiVA.org:uu-129078DiVA: diva2:337550
Available from: 2010-08-06 Created: 2010-08-05 Last updated: 2017-12-12Bibliographically approved

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Uppsala UniversityDepartment of Physics and Materials Science
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