Neutrino Mass Matrix Out of Up-Quark Masses Only

Details Neutrino Mass Matrix Out of Up-Quark Masses Only Neutrino Mass Matrix Out of Up-Quark Masses Only

2002-12-17

arxiv.org/abs/hep-ph/0212242v2

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages, latex, 3 figures, typos corrected

Scientific paper

Under the assumption of symmetric four zero texture for fermion mass matrices in SO(10) model, the neutrino Dirc mass matrix is derived from the up-quark mass matrix. By adjusting two scales of the Majorana mass sector, we can derive observed neutrino two large mixing angles very naturally. It is indeed remarkable that all the masses and mixings of neutrinos are expressed in terms of only three known parameters, $m_t,m_c,m_u$. A typical example of our model is \tan^2 2\theta_{\tau \mu}=\frac{4}{(1-2\frac{m_c}{\sqrt{m_u m_t}})^2}.

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