# SUSY Signals from QCD Production at the Upgraded LHC

## TL;DR

This paper assesses the potential of the upgraded High Luminosity and High Energy LHC to detect supersymmetric particles like gluinos and stops, improving sensitivity projections and exploring new energy regimes.

## Contribution

It provides the first 27 TeV analysis for SUSY signals from QCD production at the upgraded LHC, optimizing detection strategies for future collider runs.

## Key findings

- HL-LHC can detect gluinos up to 3.2 TeV and stops up to 1.5 TeV.
- HE-LHC extends sensitivity to gluinos up to 5.7 TeV and stops up to 2.7 TeV.
- Optimized kinematic variable acceptance enhances detection prospects.

## Abstract

Weak-scale supersymmetry remains to be one of the best-motivated theories of physics beyond the Standard Model. We evaluate the sensitivities of the High Luminosity (HL) and High Energy (HE) upgrades of the LHC to gluinos and stops, decaying through the simplified topologies $\tilde{g} \to q \bar{q} \chi^0$, $\tilde{g} \to t \bar{t} \chi^0$ and $\tilde{t} \to t \tilde{\chi}^0$. Our HL-LHC analyses improve on existing experimental projections by optimizing the acceptance of kinematic variables. The HE-LHC studies represent the first 27 TeV analyses. We find that the HL-(HE-)LHC with 3 ab$^{-1}$ (15 ab$^{-1}$) of integrated luminosity will be sensitive to the masses of gluinos and stops at 3.2 (5.7) TeV and 1.5 (2.7) TeV, respectively, decaying to massless neutralinos.