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Correlated Signals at the Energy and Intensity Frontiers from Nonabelian Kinetic Mixing

Research paper by G. Barello, Spencer Chang, Christopher A. Newby

Indexed on: 19 Nov '15Published on: 19 Nov '15Published in: High Energy Physics - Phenomenology



Abstract

We show that when a dark abelian gauge sector and SU$(2)_{L}$ kinetically mix it necessarily generates a relation between the kinetic mixing strength and the mass of the mediating particle. Remarkably, this correspondence maps the weak scale directly to the kinetic mixing strengths being probed by modern fixed-target experiments and next generation flavor factories. This illuminates the exciting possibility of correlated discoveries of a new particle at the LHC and a dark photon at intensity frontier experiments. To motivate the scenario, we construct a simple model and explore its phenomenology and constraints.