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Wess-Zumino-Witten Interactions of Axions

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arxiv 2406.11948 v1 pith:TMM6FOFQ submitted 2024-06-17 hep-ph hep-th

Yang Bai , Ting-Kuo Chen , Jia Liu , Xiaolin Ma This is my paper · ORCID
classification hep-phhep-th
keywords axionsgaugeinteractionsfieldwess-zumino-wittenallowsapproachauxiliary
verification ladder T0 review T1 audit T2 compute T3 formal
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abstract

We present a consistent derivation of the complete Wess-Zumino-Witten interactions of axions, including the counter-term necessary to guarantee the gauge invariance of the Standard Model. By treating the derivative of the axion field as a background gauge field and incorporating auxiliary chiral rotation phases, we ensure consistency in the axion-interaction Lagrangian. This approach allows us to derive basis-independent physical interactions of axions with gauge bosons and vector mesons. As an example, we explore the interaction of $a$-$\omega$-$\gamma$ to illustrate the potential for searching for axion-like particles at colliders.

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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. The KSVZ Atlas: A Unified SMEFT-ALP Framework

    hep-ph 2026-06 unverdicted novelty 6.0 of 10

    A matching framework from arbitrary KSVZ UV completions to SMEFT and ALP EFT yields robust operator bounds from global fits that often dominate direct ALP searches except when mass mixing occurs.

  2. The Too Visible QCD Axion

    hep-ph 2026-02 accept novelty 6.0 of 10

    Murayama's GeV-scale QCD axion and its extensions are excluded by pion mass/scattering measurements and by fifth-force constraints on the light-axion limit.

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