Supersymmetric Models With Tan(beta) Close to Unity

Abstract

Within the framework of supersymmetric grand unification, estimates of the $b$ quark mass based on the asymptotic relation $m_b\simeq m_{\tau }$ single out the region with $\tan \beta$ close to unity, particularly if $m_t(m_t)\stackrel{{}_{<}}{{}_{\sim }}170GeV$. We explore the radiative breaking of the electroweak symmetry and the associated sparticle and higgs spectroscopy in models with $1<\tan \beta \stackrel{{}_{<}}{{}_{\sim }}1.6$. The lightest scalar higgs is expected to have a mass below $100GeV$, while the remaining four higgs masses exceed $300GeV$. The lower bounds on some of the sparticle masses are within the range of LEP 200.

13 pages in plain LaTeX, BA-94-02, 15 figures (available on request)

References in corpus (3)

• Bottom-Up Approach to Uniefied Supergravity Models
• Infrared Fixed Point Solution for the Top Quark Mass and Unification of Couplings in the MSSM
• Supersymmetric Unification without Proton Decay

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• SUSY GUTs with Yukawa unification: a go/no-go study using FCNC processes
• Higgs and Supersymmetric Particle Signals at the Infrared Fixed Point of the Top Quark Mass
• b-tau Unification with Gaugino and Sfermion Mass non Universality
• The Non-Minimal Supersymmetric Standard Model with $\tan \beta \simeq m_t/m_b$
• Particle Spectrum in the Non-Minimal Supersymmetric Standard Model with $\tan \beta \simeq m_t/m_b$
• Viable and testable SUSY GUTs with Yukawa unification: the case of split trilinears
• Heterotic free fermionic and symmetric toroidal orbifold models
• On Supersymmetric b-tau Unification, Gauge Unification, and Fixed Points
• On the Soft Supersymmetry Breaking Parameters in Gauge-Mediated Models
• Radiative Electroweak Breaking with Pseudogoldstone Higgs Doublets
• Are supersymmetric models with large tan(beta) natural ?