Research Papers in Physics and Astronomy


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Published by American Physical Society. Phys. Rev. D 71, 012005 (2005). Copyright © 2005 American Physical Society. Permission to use.


We report on a search for standard model t-channel and s-channel single-top quark production in pp̅ collisions at a center of mass energy of 1.96 TeV. We use a data sample corresponding to 162 pb-1 recorded by the upgraded collider detector at Fermilab. We find no significant evidence for electroweak top quark production and set upper limits at the 95% confidence level on the production cross section, consistent with the standard model: 10.1 pb for the t-channel, 13.6 pb for the s-channel and 17.8 pb for the combined cross section of t- and s-channel.

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