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arXiv · 1703.01112

A "Gauged" $U(1)$ Peccei-Quinn Symmetry

Hajime Fukuda·Masahiro Ibe·Motoo Suzuki·Tsutomu T. Yanagida
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Abstract

The Peccei-Quinn (PQ) solution to the strong $CP$ problem requires an anomalous global $U(1)$ symmetry, the PQ symmetry. The origin of such a convenient global symmetry is quite puzzling from the theoretical point of view in many aspects. In this paper, we propose a simple prescription which provides an origin of the PQ symmetry. There, the global $U(1)$ PQ symmetry is virtually embedded in a gauged $U(1)$ PQ symmetry. Due to its simplicity, this mechanism can be implemented in many conventional models with the PQ symmetry.

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Hajime Fukuda, Masahiro Ibe, Motoo Suzuki, Tsutomu T. Yanagida. 2017-03-03. A "Gauged" $U(1)$ Peccei-Quinn Symmetry. https://doi.org/10.1016/j.physletb.2017.05.071

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