Yukawaon model and unified description of quark and lepton mass matrices

Details Yukawaon model and unified description of quark and lepton mass matrices Yukawaon model and unified description of quark and lepton mass matrices

2010-01-13

arxiv.org/abs/1001.2075v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, to appear in Proceedings of Lepton-Photon 2009

Scientific paper

In the so-called yukawaon model, where effective Yukawa coupling constants Y_f^{eff} (f=e,\nu,u,d) are given by vacuum expectation values of gauge singlet scalars (yukawaons) Y_f with 3\times 3 flavor components, it is tried to give a unified description of quark and lepton mass matrices. Especially, without assuming any discrete symmetry in the lepton sector, nearly tribimaximal mixing is derived by assumed a simple up-quark mass matrix form.

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