Is "just-so" Higgs splitting needed for t-b-τYukawa unified SUSY GUTs?

Howard Baer, Sabine Kraml, Sezen Sekmen

Recent renormalization group calculations of the sparticle mass spectrum in the Minimal Supersymmetric Standard Model (MSSM) show that t-b-τYukawa coupling unification at M_{\rm GU…