Extra Dimensions and Compositeness as a Basis for Hierarchy in Quark Mass Matrices
High Energy Physics - Phenomenology
2007-05-23 v1
Abstract
Strong gauge and top-Yukawa couplings predicted in the presence of extra dimensions lead to a trickle-down effect of the top-coupling through the renormalization group equations for the quark Yukawa matrices. The matrix elements for the u and d-quarks get progressively smaller as one moves away from the dominant (33)-element revealing a hierarchical pattern for the mass matrices.
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Cite
@article{arxiv.hep-ph/0009243,
title = {Extra Dimensions and Compositeness as a Basis for Hierarchy in Quark Mass Matrices},
author = {Bipin R. Desai and Alexander R. Vaucher},
journal= {arXiv preprint arXiv:hep-ph/0009243},
year = {2007}
}
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12 pages