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Searches for weakly interacting particles is one of the main goals of thehigh luminosity LHC run. In this work we study the well motivated cases ofelectroweakinos with mostly Wino and Bino components. We show the relevance ofsquark induced t-channel production in defining the production cross sectionand hence the LHC reach. Moreover, a realistic evaluation of the decaybranching ratios show a strong dependence on the sign of $\mu$ and, fornegative values of $\mu$, on the relative size of the ratio of $\mu$ to thegaugino masses compared with tan$\beta$. Overall, unless it is kinematicallysuppressed, or specific conditions are fulfilled, the Higgs decay channel isthe most significant one, and the trilepton channel becomes subdominant withrespect to final states including bottom quarks. Although the properties aredifferent than in the Higgsino-Bino case, also in this case the discovery reachextends to mass values that are significantly larger than the ones probed atcurrent luminosities, leading to a strong motivation for the search forelectroweakinos in the high luminosity LHC run.

The Scale of Superpartner Masses and Electroweakino Searches at the High-Luminosity LHC