The $X(2239)$ and $\eta (2225)$ as hidden-strange molecular states from $\Lambda \bar{\Lambda }$ interaction

Jun-Tao Zhu, Yi Liu, Dian-Yong Chen +2

In this work, we propose a possible assignment of the newly observed $X(2239)$, as well as the $\eta (2225)$, as a molecular state from the interaction of a baryon $\Lambda$ and an antibaryo…