An ultra-weak sector, the strong CP problem and the pseudo-Goldstone dilaton
In the context of a Coleman–Weinberg mechanism for the Higgs boson mass, we address the strong CP problem. We show that a DFSZ-like invisible axion model with a gauge-singlet complex scalar field S, whose couplings to the Standard Model are naturally ultra-weak, can solve the strong CP problem and s...
Main Authors: | Kyle Allison, Christopher T. Hill, Graham G. Ross |
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Format: | Article |
Language: | English |
Published: |
Elsevier
2015-02-01
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Series: | Nuclear Physics B |
Online Access: | http://www.sciencedirect.com/science/article/pii/S0550321314004003 |
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