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Large and Unified Description of Quark and Lepton Mixing Matrices
We present a revised version of the so-called "yukawaon model", which was
proposed for the purpose of a unified description of the lepton mixing matrix
and the quark mixing matrix . It is assumed from a
phenomenological point of view that the neutrino Dirac mass matrix is
given with a somewhat different structure from the charged lepton mass matrix
, although was assumed in the previous model. As a result, the
revised model predicts a reasonable value with
keeping successful results for other parameters in as well as
and quark and lepton mass ratios.Comment: 13 pages, 3 figures, version accepted by EPJ