Gauge see-saw: A mechanism for a light gauge boson

Abstract

There has been rapidly growing interest in the past decade in a new gauge boson which is considerably lighter than the standard model Z boson. A well-known example of this kind is the so-called dark photon, and it is actively searched for in various experiments nowadays. It would be puzzling to have a new gauge boson which is neither massless nor electroweak scale, but possesses a rather small yet nonzero mass. We present a mechanism that can provide a light gauge boson as a result of a mass matrix diagonalization.

arXiv commentVersion to appear in PLB

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Cited by in corpus (5)

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• Dark photon relic dark matter production through the dark axion portal
• Examining the origin of dark matter mass at colliders
• Extension of the electrodynamics in the presence of the axion and dark photon