Solving the little hierarchy problem with a light singlet and supersymmetric mass terms

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Abstract

A generalization of the Next-to-Minimal Supersymmetric Model (NMSSM) is studied in which an explicit μ-term as well as a small supersymmetric mass term for the singlet superfield are incorporated. We study the possibility of raising the Standard Model-like Higgs mass at tree level through its mixing with a light, mostly-singlet, CP-even scalar. We are able to generate Higgs boson masses up to 145 GeV with top squarks below 1.1 TeV and without the need to fine tune parameters in the scalar potential. This model yields light singlet-like scalars and pseudoscalars passing all collider constraints. © 2012 Elsevier B.V.

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Delgado, A., Kolda, C., & de la Puente, A. (2012). Solving the little hierarchy problem with a light singlet and supersymmetric mass terms. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 710(3), 460–466. https://doi.org/10.1016/j.physletb.2012.03.034

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