Axion-meson mixing in light of recent lattice η–η′ simulations and their two-photon couplings within U(3) chiral theory
Abstract We study the mixing of the QCD/QCD-like axion and light-flavor mesons π 0, η, η′ within the framework of U(3) chiral perturbation theory up to next-to-leading order in this work. The axion-meson mixing formulas are calculated order by order in the U(3) δ-expansion scheme, namely the joint e...
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| Principais autores: | , , , |
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| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
SpringerOpen
2023-04-01
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| coleção: | Journal of High Energy Physics |
| Assuntos: | |
| Acesso em linha: | https://doi.org/10.1007/JHEP04(2023)022 |
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