Universal Texture of Quark and Lepton Mass Matrices

Details Universal Texture of Quark and Lepton Mass Matrices Universal Texture of Quark and Lepton Mass Matrices

2003-03-31

arxiv.org/abs/hep-ph/0303256v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

9 pages, Latex, talk given at The 4th workshop on "Neutrino Oscillations and their Origin" (NOON2003) (Kanazawa, Japan, 10--14

Scientific paper

Against the conventional picture that the mass matrix forms in the quark sectors will take somewhat different structures from those in the lepton sectors, a possibility that all the mass matrices of quarks and leptons have the same form as in the neutrinos is investigated. For the lepton sectors, the model leads to a nearly bimaximal mixing with the prediction |U_{e3}|^2=m_e/2m_\mu=0.0024 and \tan^2\theta_{sol} \simeq m_{\nu 1}/m_{\nu 2}, and so on. For the quark sectors, it can lead to reasonable values of the CKM mixing matrix and masses: |V_{us}|\simeq \sqrt{m_d/m_s}, |V_{ub}| \simeq |V_{cb}|\sqrt{m_u/m_c}, |V_{td}| \simeq |V_{cb}|\cdot |V_{us}|, and so on.

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