Explorations of the Top Quark Forward-Backward Asymmetry at the Tevatron
Abstract
We consider the recent measurement of the top quark forward-backward asymmetry at the Fermilab Tevatron, which shows a discrepancy of slightly more than 2σ compared to the SM prediction. We find that t-channel exchange of a color sextet or triplet scalar particle can explain the measurement, while leaving the cross section for t t production within measured uncertainties. Such particles have good discovery prospects by study of the kinematic structure of t t+jets at the LHC.
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