A Light Stop with Flavor in Natural SUSY

Roberto Auzzi, Amit Giveon, Sven Bjarke Gudnason, Tomer Shacham

Research output: Contribution to journalArticle

12 Citations (Scopus)

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 hierarchy of about 3-20 between the squarks of the first two generations and the stop, relatively light Higgsino neutralino or stau NLSP, as well as heavy Higgses and a W' which may be within reach of the LHC.
Original languageEnglish
Pages (from-to)0-25
Number of pages26
JournalJournal of High Energy Physics
DOIs
Publication statusPublished - 2013

Keywords

  • Supersymmetry phenomenology

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