Hierarchical Quark Mixing and Bimaximal Lepton Mixing on the Same Footing

Abstract

We show that not only the hierarchical quark CKM mixing matrix but also the "bimaximal" lepton flavor mixing matrix can be derived from the same mass matrix ansatz based on the broken permutation symmetry, by assuming the hierarchy of neutrino masses to be $m_1\simeq m_2<<m_3$. We also reproduce the recently measured angle of unitary triangle, $\sin 2\beta$, as well as all the observed experimental values of $V_{CKM}$ of the quark CKM matrix. And we predict Jarlskog rephasing invariant quantity, $J_{CP}\simeq 0.18\times 10^{-4}$, and the upper bound of the same quantity in the lepton sector, $J_{CP}^l\le 0.012$, which may be indeed large enough to generate the lepton number violation of the universe.

12 Pages, LaTeX, no figures, corrected hep-ph number and a PACS number

References in corpus (2)

• Bimaximal Mixing in an SO(10) Minimal Higgs Model
• Neutrino Masses and Bimaximal Mixing

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