Hidden Photons in connection to Dark Matter

Abstract

Light extra U(1) gauge bosons, so called hidden photons, which reside in a hidden sector have attracted much attention since they are a well motivated feature of many scenarios beyond the Standard Model and furthermore could mediate the interaction with hidden sector dark matter. We review limits on hidden photons from past electron beam dump experiments including two new limits from such experiments at KEK and Orsay. In addition, we study the possibility of having dark matter in the hidden sector. A simple toy model and different supersymmetric realisations are shown to provide viable dark matter candidates in the hidden sector that are in agreement with recent direct detection limits.

4 pages, 2 figures, contribution to the proceedings of the PEB Workshop at MIT, Cambridge, March 14-16, 2013

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• Exponentially spread dynamical Yukawa couplings from non-perturbative chiral symmetry breaking in the dark sector
• Dark-photon searches via $ZH$ production at $e^{+}{e}^{-}$ colliders
• Kinetic Mixing at Strong Coupling
• Dark $Z$ Implication for Flavor Physics