Axion dark matter, proton decay and unification

  title={Axion dark matter, proton decay and unification},
  author={P. F. P{\'e}rez and Clara Murgui and A. D. Plascencia},
  journal={Journal of High Energy Physics},
  • P. F. Pérez, Clara Murgui, A. D. Plascencia
  • Published 2020
  • Physics
  • Journal of High Energy Physics
  • We discuss the possibility to predict the QCD axion mass in the context of grand unified theories. We investigate the implementation of the DFSZ mechanism in the context of renormalizable SU(5) theories. In the simplest theory, the axion mass can be predicted with good precision in the range m a = (2–16) neV, and there is a strong correlation between the predictions for the axion mass and proton decay rates. In this context, we predict an upper bound for the proton decay channels with… CONTINUE READING
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