Prospects for observing charginos and neutralinos at a 100 TeV proton-proton collider

Abstract

We investigate the prospects for discovering charginos and neutralinos at a future $pp$ collider with $\sqrt{s}=100$ TeV. We focus on models where squarks and sleptons are decoupled -- as motivated by the LHC data. Our initial study is based on models where Higgsinos form the main component of the LSP and $W$-inos compose the heavier chargino states ($M_2>\mu$), though it is straightforward to consider the reverse situation also. We show that in such scenarios $W$-inos decay into $W^{\pm }$, $Z$ and $h$ plus neutralinos almost universally. In the $WZ$ channel we compare signal and background in various kinematical distributions. We design simple but effective signal regions for the trilepton channel and evaluate discovery reach and exclusion limits. Assuming 3000 fb${}^{-1}$ of integrated luminosity, $W$-inos could be discovered (excluded) up to 1.1 (1.8) TeV if the spectrum is not compressed.

19 pages, 9 figures

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• Measuring the Top Yukawa Coupling at 100 TeV
• Collider Interplay for Supersymmetry, Higgs and Dark Matter
• Likelihood Analysis of the Minimal AMSB Model
• Hunting electroweakinos at future hadron colliders and direct detection experiments
• Probing Dark Matter freeze-in with long-lived particle signatures: MATHUSLA, HL-LHC and FCC-hh
• Constraints on Supersymmetric Dark Matter for Heavy Scalar Superpartners
• Gravitino Dark Matter and low-scale Baryogenesis
• Long-lived bino and wino in supersymmetry with heavy scalars and higgsinos
• Reaching for Squarks and Gauginos at a 100 TeV p-p Collider
• Weak Boson Fusion at 100 TeV
• Long-Lived Sleptons at the LHC and a 100 TeV Proton Collider
• Very Degenerate Higgsino Dark Matter
• Di-Higgs signatures from R-parity violating supersymmetry as the origin of neutrino mass
• Discovery potential of Higgs boson pair production through 4$\ell$+$E/$ final states at a 100 TeV collider
• Precise test of Higgs properties via triple Higgs production in VBF at future colliders