Single-Lepton Top Signals with a b-Tag at the Tevatron
V. Barger, E. Mirkes, J. Ohnemus, R. J. N. Phillips
Abstract
Events with a leptonic W-decay plus jets should contain top-quark signals, but a QCD W+jets background must be separated. We compare transverse W-momentum, jet multiplicity, and b-tagging separation criteria, and find that the main background after tagging comes from mistagging. We illustrate how to extract the mass mt via event reconstructions and how to confirm signal purity by lepton angular distributions.
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