Probing stops in the coannihilation region at the HL-LHC: a comparative study of different processes

Guang Hua Duan, Xiang Fan, Ken-ichi Hikasa +2

In the minimal supersymmetric model, the coannihilation of the lighter stop ${\tilde{t}}_1$ and bino-like dark matter $\chi$ provides a feasible way to accommodate the correct dark matt…