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 motivated in that they naturally arise...
Main Authors: | , , , |
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Format: | Article |
Language: | English |
Published: |
SpringerOpen
2022-12-01
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Series: | Journal of High Energy Physics |
Subjects: | |
Online Access: | https://doi.org/10.1007/JHEP12(2022)119 |