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Could an axion-like particle be hidden in $η_c\toγγ$?

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Bibliographic Details
Main Authors:	Li, Zhi-Jun, You, Zheng-Yun, Lyu, Xiao-Rui
Format:	Preprint
Published:	2025
Subjects:	High Energy Physics - Phenomenology
Online Access:	Acceder al recurso
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