Probing compressed Higgsinos at the FASER experiment

Shufang Su, Wei Su, Jin Min Yang +2

In the Minimal Supersymmetric Standard Model (MSSM), compressed Higgsinos spectrum ($\Delta m^0\lesssim 1$ GeV) occurs when $|\mu |\ll |M_1|,|M_2|$ and $\mathrm{sign}(M_1\cdot M_2)<0$, whic…