Dark Forces At The Tevatron

Details Dark Forces At The Tevatron Dark Forces At The Tevatron

2011-04-15

arxiv.org/abs/1104.3145v1

Phys.Lett.B702:256-259,2011

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, no figures

Scientific paper

10.1016/j.physletb.2011.07.012

A simple explanation of the W+dijet excess recently reported by the CDF collaboration involves the introduction of a new gauge boson with sizable couplings to quarks, but with no or highly suppressed couplings to leptons. Anomaly-free theories which include such a leptophobic gauge boson must also include additional particle content, which may include a stable and otherwise viable candidate for dark matter. Based on the couplings and mass of the Z' required to generate the CDF excess, we predict such a dark matter candidate to possess an elastic scattering cross section with nucleons on the order of sigma ~ 10^-40 cm^2, providing a natural explanation for the signals reported by the CoGeNT and DAMA/LIBRA collaborations. In this light, CDF may be observing the gauge boson responsible for the force which mediates the interactions between the dark and visible matter of our universe.

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