Study on the rare decays of $Y(4630)$ induced by final state interactions

Xing-Dao Guo, Dian-Yong Chen, Hong-Wei Ke +2

A resonance $Y(4630)$ at the invariant mass spectrum of ${\Lambda }_c{\bar{\Lambda }}_c$ observed by the Belle Collaboration triggers a hot discussion about its inner structure. Since it preferably d…