Weyl-invariant Einstein-Cartan gravity: unifying the strong CP and hierarchy puzzles

Weyl-invariant Einstein-Cartan gravity: unifying the strong CP and hierarchy puzzles

Abstract We show that the minimal Weyl-invariant Einstein-Cartan gravity in combination with the Standard Model of particle physics contains just one extra scalar degree of freedom (in addition to the graviton and the Standard Model fields) with the properties of an axion-like particle which can sol...

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Bibliographic Details
Main Authors: Georgios K. Karananas, Mikhail Shaposhnikov, Sebastian Zell
Format: Article
Language:English
Published: SpringerOpen 2024-11-01
Series:Journal of High Energy Physics
Subjects:
Axions and ALPs
Classical Theories of Gravity
Space-Time Symmetries
Online Access:https://doi.org/10.1007/JHEP11(2024)146
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https://doi.org/10.1007/JHEP11(2024)146

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