We present a search for electroweak production of single top quarks in the electron+jets and muon+jets decay channels. The measurements use ≈90pb(-1) of data from Run 1 of the Fermilab Tevatron collider, collected at 1.8 TeV with the DØ detector between 1992 and 1995. We use events that include a tagging muon, implying the presence of a b jet, to set an upper limit at the 95% confidence level on the cross section for the s-channel process pp-bar→tb+X of 39 pb. The upper limit for the t-channel process pp-bar→tqb+X is 58 pb.
This is the publisher's version, also available electronically from http://journals.aps.org/prd/abstract/10.1103/PhysRevD.63.031101.
B. Abbott et al. ((DØ Collaboration)). (2000). "Search for electroweak production of single top quarks in pp-bar collisions." Physical Review D, 63(03):031101. http://dx.doi.org/10.1103/PhysRevD.63.031101
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