Top asymmetry and the search for a light hadronic resonance in association with single top

Details Top asymmetry and the search for a light hadronic resonance in association with single top Top asymmetry and the search for a light hadronic resonance in association with single top

2011-08-08

arxiv.org/abs/1108.1802v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

5 pages, 2 figure

Scientific paper

The exchange of a light $t$-channel flavor-changing gauge boson, $\Vp$, with mass $\sim m_{top}$ 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 $\Vp$ model is not easily seen in the $\mtt$ 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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