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Top quark asymmetry and dijet resonances

By Sunghoon Jung, Aaron Pierce and James D. Wells

Abstract

CDF recently reported an anomaly in the $m_{jj}$ distribution of dijet events produced in association with a $W$ boson. If this anomaly is associated with a new flavor conserving vector resonance, $V$, one might have expected to observe effects in the analogous $m_{jj}$ distribution produced in association with a $\gamma$. No such excess is observed. A single $u-t-V$ flavor changing coupling, however, can contribute to the $m_{jj}$ anomaly while being consistent with other resonance searches. Furthermore, it gives a potential explanation of the observed forward-backward asymmetry in top quark production.Comment: 4 pages, 1 figur

Topics: High Energy Physics - Phenomenology
Year: 2011
DOI identifier: 10.1103/PhysRevD.84.055018
OAI identifier: oai:arXiv.org:1104.3139
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