A supersymmetric SO(10) fit with a new dimension-six operator reproduces fermion masses and mixings (chi^2 = 8.8) and yields quasi-Yukawa unification y_t approx y_b approx 0.73 y_tau.
Sparticle Spectroscopy with Neutralino Dark matter from t-b-tau Quasi-Yukawa Unification
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abstract
We consider two classes of t-b-tau quasi-Yukawa unification scenarios which can arise from realistic supersymmetric SO(10) and SU(4)_C X SU(2)_L X SU(2)_R models. We show that these scenarios can be successfully implemented in the CMSSM and NUHM1 frameworks, and yields a variety of sparticle spectra with WMAP compatible neutralino dark matter. In NUHM1 we find bino-higgsino dark matter as well as the stau coannihilation and A-funnel solutions. The CMSSM case yields the stau coannihilation and A-funnel solutions. The gluino and squark masses are found to lie in the TeV range.
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Fermion masses and mixings in supersymmetric SO(10) with third-generation quasi-Yukawa unification
A supersymmetric SO(10) fit with a new dimension-six operator reproduces fermion masses and mixings (chi^2 = 8.8) and yields quasi-Yukawa unification y_t approx y_b approx 0.73 y_tau.