LHC Dijet Signals in New Physics Models for Top Forward-Backward Asymmetry

Details LHC Dijet Signals in New Physics Models for Top Forward-Backward Asymmetry LHC Dijet Signals in New Physics Models for Top Forward-Backward Asymmetry

2011-09-30

arxiv.org/abs/1110.0014v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

11 pages, 4 figures; Feynman diagrams by feynMP

Scientific paper

The dijet signature at the LHC is studied in new physics models for the top forward-backward asymmetry at the Tevatron. In the t-mediator models, flavor-changing interactions contribute to the dijet production cross section as well as the asymmetry at least at the one-loop level. It is found that the LHC dijet measurements at 36pb^(-1) have constrained the Z' coupling larger than 2.5-3. The sensitivity is expected to be improved significantly as the integrated luminosity increases in the LHC.

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