Reexamination of the role of the ${\Delta }^{\ast }$ resonances in the $pp\to n{K}^{+}{\Sigma }^{+}$ reaction

Xiao-Yun Wang, Xu Cao, Ju-Jun Xie +1

In this work, the role of the ${\Delta }^{\ast }$ resonances in the process of $pp\to n{K}^{+}{\Sigma }^{+}$ are systematically investigated with the effective Lagrangian approach and the is…