SUSY after LHC8: a brief overview

TL;DR

This paper reviews the impact of the 8 TeV LHC results on supersymmetric models, highlighting constraints from Higgs discovery and particle searches, and discusses non-minimal models that address naturalness concerns.

Contribution

It provides a concise overview of how recent LHC data constrains supersymmetric parameter space and explores alternative models to mitigate naturalness issues.

Findings

Stringent bounds on supersymmetric particle masses from LHC8

Higgs mass of 125 GeV suggests heavy third-generation squarks

Non-minimal models may alleviate naturalness problems

Abstract

With the 8 TeV LHC run now concluded, the first consequences of the experimental results on the supersymmetric parameter space can be drawn. On one hand, the negative direct searches place more and more stringent bounds on the mass of supersymmetric particles; on the other hand, the discovery of a 125 GeV Higgs boson points toward a quite heavy spectrum for the squarks of the third generation, at least in the minimal supersymmetric model. In this note I will briefly recap how this constitutes a problem for the naturalness of supersymmetric models, as well as the current experimental situation. Moreover, I will point out possible non minimal models in which the naturalness issue can be at least soften.