Spontaneous CP violation and the strong CP problem

Abstract We derive sufficient conditions that guarantee a robust solution of the strong CP problem in theories with spontaneous CP violation, and introduce a class of models satisfying these requirements. In the simplest scenarios the dominant contribution to the topological angle arises at 3-loop o...

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Bibliographic Details
Main Author: Luca Vecchi
Format: Article
Language:English
Published: SpringerOpen 2017-04-01
Series:Journal of High Energy Physics
Subjects:
Online Access:http://link.springer.com/article/10.1007/JHEP04(2017)149