{"paper":{"title":"Account for axial vector mesons in the $\\eta\\to\\pi^+\\pi^-\\gamma$ and $\\eta' \\to\\pi^+\\pi^-\\gamma$ decays","arxiv_id":"2003.03630","primary_cat":"hep-ph","submitted_at":"2020-03-07T18:35:25+00:00","version_compiled":"v1"},"notice":"Every quoted sentence is the authors' text from the arXiv listing abstract. Labels and probabilities are the outputs of classifier-1.13.0 on the question bank abstract-p1-20260923, exactly as returned. 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