Multivariate searches for single top quark production with the D0 detector

V. M. Abazov et al. (D0 Collaboration)
Phys. Rev. D 75, 092007 – Published 29 May 2007

Abstract

We present a search for electroweak production of single top quarks in the s-channel (pp¯tb¯+X) and t-channel (pp¯tqb¯+X) modes. We have analyzed 230pb1 of data collected with the D0 detector at the Fermilab Tevatron Collider at a center-of-mass energy of s=1.96TeV. No evidence for a single top quark signal is found. We set 95% confidence level upper limits on the production cross sections, based on binned likelihoods formed from a neural network output. The observed (expected) limits are 6.4 pb (4.5 pb) in the s-channel and 5.0 pb (5.8 pb) in the t-channel.

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  • Received 10 April 2006

DOI:https://doi.org/10.1103/PhysRevD.75.092007

©2007 American Physical Society

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Vol. 75, Iss. 9 — 1 May 2007

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