$a_0(980)$ production, triangle singularity, and non-$ϕ$ background in the $J/ψ\to ϕηπ^0$ reaction

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Bibliographic Details
Main Authors: Li, Hai-Peng, Liang, Wei-Hong, Xiao, Chu-Wen, Oset, Eulogio
Format: Preprint
Published: 2025
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