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Quasifixed-point scenario in a modified nonminimal supersymmetric standard model

2002/02/01 by R. Nevzorov, R. B. Nevzorov, M. A. Trusov
Physics and Astronomy · #Cosmology and Gravitation Theories #Dark Matter and Cosmic Phenomena #Electroweak interaction #Electroweak scale #Gauge (firearms) #Grand Unified Theory #Higgs boson #Infrared fixed point #Mathematical physics #Minimal Supersymmetric Standard Model #Particle physics #Particle physics theoretical and experimental studies #Physics #Quark #Renormalization #Renormalization group #Standard Model (mathematical formulation) #Supersymmetry #Top quark #Yukawa potential #hep-ph

paper · pdf · doi:10.1134/1.1451951

published as Phys.Atom.Nucl. 65 (2002) 335-344; Yad.Fiz. 65 (2002) 359-368 · 19 pages, 3 figures, LaTeX2e

openalex publication_date 2002/02/01 · arxiv created 2003/01/21 · arxiv updated 2009/11/30 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/05

Abstract

The modified next-to-minimal supersymmetric standard model is the simplest model that is obtained as an extension of the minimal supersymmetric standard model and which is compatible with the LEP II experimental constraint on the mass of the lightest Higgs boson at tan β ∼1. The renormalization of Yukawa coupling constants and of the parameters of a soft breakdown of supersymmetry is investigated within this model. The possibility of unifying the Yukawa coupling constants for the b quark and the τ lepton at the Grand Unification scale M X is studied. The spectrum of particles is analyzed in the vicinity of a quasifixed point where solutions to the renormalization-group equations are concentrated at the electroweak scale.

Citations