How Does the Neutrino Mass Matrix Connect to Up-Quark Masses?

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The discussion presents a novel approach to understanding quark and lepton masses, suggesting that these mass spectra arise from vacuum expectation values of U(3) flavor nonet scalars. An empirical neutrino mass matrix is derived, which relates to up-quark and charged lepton masses, resulting in nearly tribimaximal mixing without the need for discrete symmetry assumptions. The conversation raises a question about the seesaw mechanism when only the top quark mass is available. This approach offers insights into the connections between neutrino and quark masses. The findings contribute to ongoing research in particle physics and mass generation theories.
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http://arxiv.org/abs/0803.3101
Empirical Neutrino Mass Matrix Related to Up-Quark Masses
Yoshio Koide
12 pages, 2 figures
(Submitted on 21 Mar 2008)

"A new approach to quark and lepton masses is proposed: the mass spectra originate in vacuum expectation values of U(3) flavor nonet (gauge singlet) scalars. As an offshoot of this approach, we find an empirical neutrino mass matrix which is described in terms of the up-quark and charged lepton masses and which leads to a nearly tribimaximal mixing without assuming any discrete symmetry."
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One general question is, if you only have the top mass, how do you seesaw?
 

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