Top asymmetry and the search for a light hadronic resonance in association with single top
Abstract
The exchange of a light t-channel flavor-changing gauge boson, , with mass mtop remains a leading explanation for the anomalous forward backward asymmetry in top quark production at the Tevatron. Unlike other ideas, including heavier t-channel mediators, the light model is not easily seen in the distribution. We advocate a more promising strategy. While current analyses at hadron colliders may not be sensitive, we propose searching for a jj resonance in association with single top that may allow discovery in existing data. Deviations in the lepton charge asymmetry in this sample should also be present.
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