Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1998-01-28
Phys.Rev. D58 (1998) 113007
Physics
High Energy Physics
High Energy Physics - Phenomenology
29 pages, added PS version, fixed PS file
Scientific paper
10.1103/PhysRevD.58.113007
In a SUSY GUT model responsible for generating symmetric quark mass matrices at the GUT scale (mu = Lamda) we assume that the top-Yukawa coupling, lamda_t, becomes infinite at that scale. As a consequence, the MSSM renormalization group equations for quark Yukawa couplings exhibit hierarchical solutions which lead to a pattern of texture zeroes in quark mass matrices at mu = Lamda similar to one of the solutions of Ramond, Roberts, and Ross. The evolution in energy scale to low energies shows excellent agreement between the measured quantities involving the scale-independent ratios of CKM matrix elements and their predicted values in terms of quark mass ratios. It is noted that the tt-bar condensate model of Bardeen, et al. predicts an infinite lamda_t at mu = Lamda implying, for our model, that at mu = Lamda, both the symmetry of Yukawa matrices and condensate dynamics may have a common origin.
Desai Bipin R.
Roy David P.
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