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Search for $WH$ Associated Production in 5.3 fb$^{-1}$ of $p\bar{p}$ Collisions at the Fermilab Tevatron
Stockholm University, Faculty of Science, Department of Physics.
2011 (English)In: Physics Letters B, ISSN 0370-2693, Vol. 698, no 1, 6-13 p.Article in journal (Refereed) Published
Abstract [en]

We present a search for associated production of Higgs and W bosons in collisions at a center of mass energy of in 5.3 fb−1 of integrated luminosity recorded by the D0 experiment. Multivariate analysis techniques are applied to events containing one lepton, an imbalance in transverse energy, and one or two b-tagged jets to discriminate a potential WH signal from Standard Model backgrounds. We observe good agreement between data and expected backgrounds, and set an upper limit of 4.5 (at 95% confidence level and for mH=115 GeV) on the ratio of the WH cross section multiplied by the branching fraction of to its Standard Model prediction, which is consistent with an expected limit of 4.8.

Place, publisher, year, edition, pages
2011. Vol. 698, no 1, 6-13 p.
Keyword [en]
Tevatron, Standard Model, Higgs boson, Electroweak symmetry breaking
National Category
Subatomic Physics
Research subject
URN: urn:nbn:se:su:diva-62719DOI: 10.1016/j.physletb.2011.02.036ISI: 000289131600002OAI: diva2:444102
Swedish Research Council
Publikationen har totalt 425 författare, V. Abazov et al.Available from: 2011-09-27 Created: 2011-09-27 Last updated: 2012-01-19Bibliographically approved

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Åsman, Barbro
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