Portal Matter, Kinetic Mixing, and Muon $g-2$

Abstract

We present a minimal construction using leptonic portal matter that addresses the muon $g-2$ anomaly. While the chiral enhancement mechanism is reminiscent of that of fermiophobic $Z^{\prime }$ gauge models, the parameter space motivated by the kinetic mixing/vector portal dark matter model paradigm is vastly different and can be readily explored in current and forthcoming experiments.

arXiv comment6 pages plus references, 2 figures, v4: References added, some discussion added, version accepted by PLB

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