Focus Point in the Light Stop Scenario
Antonio Delgado, Mariano Quiros, Carlos Wagner

TL;DR
This paper explores how the focus point mechanism in low-energy supersymmetry models can naturally produce a light stop through renormalization group effects, with implications for collider and flavor physics.
Contribution
It investigates the generation of a light stop in the MSSM via focus point solutions, extending previous work to include high-energy RG running effects.
Findings
Light stop can be naturally induced by RG running in focus point scenarios.
The scenario is highly predictive and testable with future collider data.
Potential constraints from flavor physics observables.
Abstract
The recent discovery of a light CP-even Higgs in a region of masses consistent with the predictions of models with low energy supersymmetry have intensified the discussion of naturalness in these situations. The focus point solution alleviates the MSSM fine tuning problem. In a previous work, we showed the general form of the MSSM focus point solution, for different values of the messenger scale and of the ratio of gaugino and scalar masses. Here we study the possibility of inducing a light stop as a result of the renormalization group running from high energies. This scenario is highly predictive and leads to observables that may be constrained by future collider and flavor physics data.
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