A Light Stop with Flavor in Natural SUSY
Roberto Auzzi, Amit Giveon, Sven Bjarke Gudnason, Tomer Shacham

TL;DR
This paper explores a minimal supersymmetric model with a light stop and flavor considerations, analyzing experimental and theoretical constraints to identify viable parameter spaces and distinctive phenomenological features.
Contribution
It introduces a minimal flavor-aware SUSY model with a light stop, detailing its unique properties and experimental signatures, especially in the context of Higgs and flavor physics.
Findings
Stop masses near 500 GeV are allowed with relaxed Higgs mass assumptions.
Enhanced h->bar{b} and h-> auar{ au} decay rates compared to h->\gamma ext{γ}.
Heavy gluino (~3 times stop mass) and accessible W' at LHC.
Abstract
The discovery of a SM-like Higgs boson near 125 GeV and the flavor texture of the Standard Model motivate the investigation of supersymmetric quiver-like BSM extensions. We study the properties of such a minimal class of models which deals naturally with the SM parameters. Considering experimental bounds as well as constraints from flavor physics and Electro-Weak Precision Data, we find the following. In a self-contained minimal model - including the full dynamics of the Higgs sector - top squarks below a TeV are in tension with b->s{\gamma} constraints. Relaxing the assumption concerning the mass generation of the heavy Higgses, we find that a stop not far from half a TeV is allowed. The models have some unique properties, e.g. an enhancement of the h-> b\bar{b},\tau\bar{{\tau}} decays relative to the h->\gamma{\gamma} one, a gluino about 3 times heavier than the stop, an inverted…
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