Scale and quality of Peccei-Quinn symmetry and weak gravity conjectures

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11 Citations (Scopus)

Abstract

The promising solution to the strong CP problem by a Peccei-Quinn (PQ) symmetry may introduce quality and hierarchy problems, which are both relevant to Planck physics. In this paper, we study whether both problems can be explained by introducing a simple hidden gauge group which satisfies the WGC or its variant. As a concrete example, we point out that a weakly-coupled hidden SU(N) gauge symmetry, which is broken down to SO(N), can do this job in the context of a Tower/sub-Lattice WGC. Cosmology is discussed.

Original languageEnglish
Article number32
JournalJournal of High Energy Physics
Volume2020
Issue number10
DOIs
Publication statusPublished - 2020 Oct 1
Externally publishedYes

Keywords

  • Beyond Standard Model
  • Cosmology of Theories beyond the SM
  • Global Symmetries

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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