$\Lambda (1405)$ and $\bar{\Lambda }(1405)$ in $J/\psi$ four-body decays

Chiangbing Li, E. Oset

We study the structure of the baryon resonances $\Lambda (1405)$ and $\bar{\Lambda }(1405)$ in $J/\psi$ four body decays $J/\psi \to \Sigma \bar{\Sigma }\pi \pi$ in the framework of a coupled channel chiral unitary approa…