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SUSY threshold corrections and up-down unification in the superpotential

C. Hamzaoui, M. Pospelov

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Abstract

We study the possibility of the model with identical Up and Down Yukawa matrices in the superpotential. Large tan β and the additive renormalization of Yukawa matrices at the supersymmetric threshold in this case can be responsible for the realistic mass spectrum and the origin of the Kobayashi-Maskawa mixing. We show that Up-Down unification is possible in a moderate quark-squark alignment scenario with an average squark mass of the order 1 TeV and with tan β>15.

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What this paper is about

We study the possibility of the model with identical Up and Down Yukawa matrices in the superpotential. Large tan β and the additive renormalization of Yukawa matrices at the supersymmetric threshold in this case can be responsible for the realistic mass spectrum and the origin of the Kobayashi-Maskawa mixing. We show that Up-Down unification is possible in a moderate quark-squark alignment scenario with an average squark mass of the order 1 TeV and with tan β>15.

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Available abstract

We study the possibility of the model with identical Up and Down Yukawa matrices in the superpotential. Large tan β and the additive renormalization of Yukawa matrices at the supersymmetric threshold in this case can be responsible for the realistic mass spectrum and the origin of the Kobayashi-Maskawa mixing. We show that Up-Down unification is possible in a moderate quark-squark alignment scenario with an average squark mass of the order 1 TeV and with tan β>15.

Key concepts: Superpotential, Yukawa potential, Physics, Particle physics, Supersymmetry, Renormalization, Minimal Supersymmetric Standard Model, Unification

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