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Study of $$\chi _{cJ}\rightarrow \eta \eta \eta ^\prime $$ via intermediate charmed meson loop mechanisms and its implications for non-observation of $$\eta _1(1855)$$ in $$\chi _{cJ}$$ decays

Crossref DOI link: https://doi.org/10.1140/epjc/s10052-026-15905-8

Published Online: 2026-06-08

Update policy: https://doi.org/10.1007/springer_crossmark_policy

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