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The QCD Axion and Unification

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arxiv 1908.01772 v2 pith:2MQEFWWO submitted 2019-08-05 hep-ph hep-exhep-th

Pavel Fileviez Perez , Clara Murgui , Alexis D. Plascencia This is my paper · ORCID
classification hep-phhep-exhep-th
keywords axionmassscaleunificationableabracadabraappealingarticle
verification ladder T0 review T1 audit T2 compute T3 formal
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abstract

The QCD axion is one of the most appealing candidates for the dark matter in the Universe. In this article, we discuss the possibility to predict the axion mass in the context of a simple renormalizable grand unified theory where the Peccei-Quinn scale is determined by the unification scale. In this framework, the axion mass is predicted to be in the range $m_a \simeq (3 - 13) \times 10^{-9} \ \rm{eV}$. We study the axion phenomenology and find that the ABRACADABRA and CASPEr-Electric experiments will be able to fully probe this mass window.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. String Theory and Grand Unification Suggest a Sub-Microelectronvolt QCD Axion

    hep-ph 2025-05 conditional novelty 6.0 of 10

    String-theoretic axions consistent with grand unification and proton decay are predicted to have masses in the 3e-11 to 1e-8 eV window, with at most 47 axions in the Kreuzer-Skarke ensemble.

  2. Five dimensional $SU(5) \times U(1)_{\rm PQ}$ grand unification

    hep-ph 2024-12 conditional novelty 5.0 of 10

    The authors propose a 5D SU(5) x U(1)_PQ orbifold model in which SU(5) breaking and a high-quality QCD axion from the fifth component of the U(1) field arise from the same boundary conditions, with intermediate-scale ...

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