Dark Grand Unification in the axiverse: decaying axion dark matter and spontaneous baryogenesis

Abstract The quantum chromodynamics axion with a decay constant near the Grand Unification (GUT) scale has an ultralight mass near a neV. We show, however, that axion-like particles with masses near the keV–PeV range with GUT-scale decay constants are also well...

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Bibliographic Details
Main Authors: Foster, Joshua W., Kumar, Soubhik, Safdi, Benjamin R., Soreq, Yotam
Other Authors: Massachusetts Institute of Technology. Center for Theoretical Physics
Format: Article
Language:English
Published: Springer Berlin Heidelberg 2023
Online Access:https://hdl.handle.net/1721.1/146945