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Search for Single Vectorlike Quarks in $p\bar{p}$ Collisions at $\sqrt{s}=1.96$ TeV
Stockholm University, Faculty of Science, Department of Physics.
2011 (English)In: Physical Review Letters, ISSN 0031-9007, Vol. 106, no 8, 081801- p.Article in journal (Refereed) Published
Abstract [en]

We present a search for hypothetical vectorlike quarks in pp̅ collisions at √s=1.96  TeV. The data were collected by the D0 detector at the Fermilab Tevatron Collider and correspond to an integrated luminosity of 5.4  fb-1. We select events with a final state composed of a W or Z boson and a jet consistent with a heavy object decay. We observe no significant excess in comparison to the background prediction and set limits on production cross sections for vectorlike quarks decaying to W+jet and Z+jet. These are the most stringent limits to date for electroweak single vectorlike quark production at hadron colliders.

Place, publisher, year, edition, pages
2011. Vol. 106, no 8, 081801- p.
National Category
Subatomic Physics
Research subject
URN: urn:nbn:se:su:diva-62694DOI: 10.1103/PhysRevLett.106.081801ISI: 000287587900006OAI: diva2:443998
Swedish Research Council
Publikationen har totalt 429 författare, V. Abazov et al.Available from: 2011-09-27 Created: 2011-09-27 Last updated: 2012-01-26Bibliographically approved

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