Extra Dimensions and Compositeness as a Basis for Hierarchy in Quark Mass Matrices

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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.
12 pages

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High Energy Physics - Phenomenology

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http://salesiana.dossiersoluciones.com/handle/123456789/39991

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/hep-ph/0009243
 http://arxiv.org/abs/hep-ph/0009243

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arXiv