Complete Parameter Space of Quark Mass Matrices with Four Texture Zeros

Abstract

The full parameter space of Hermitian quark mass matrices with four texture zeros is explored by using current experimental data. We find that all ten free parameters of the four-zero quark mass matrices can well be constrained. In particular, only one of the two phase parameters plays an important role in CP violation. The structural features of this specific pattern of quark mass matrices are also discussed in detail.

RevTex 10 pages (3 PS figures included)

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