Mass Matrix Textures from Superstring Inspired SO(10) Models

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Abstract
We give a general prescription for deriving quark and lepton mass matrices with “texture” zeros in the framework of superstring inspired SO(10) models. The key to our approach is a new way to naturally implement the doublet-triplet splitting which enables us to obtain symmetric quark and lepton mass matrices which have different structures in the up and down quark sectors. We illustrate our method by deriving the Georgi-Jarlskog texture which has six predictions in the flavor sector, and then show how it generalizes to other symmetric texture models.
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