The near threshold ${\pi }^{-}p\to \eta n$ reaction in an effective Lagrangian approach

Qi-Fang Lü, Xiao-Hao Liu, Ju-Jun Xie +1

The near threshold ${\pi }^{-}p\to \eta n$ reaction is studied within an effective Lagrangian approach and the isobar model. By considering the contributions from $s$- and $u$-channel nucle…