Neutrino Mass Matrix in Terms of Up-Quark Masses

Details Neutrino Mass Matrix in Terms of Up-Quark Masses Neutrino Mass Matrix in Terms of Up-Quark Masses

2003-05-02

arxiv.org/abs/hep-ph/0305016v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

9 pages, latex, 2 figures. Talk presented by Bando at the 2002 International Workshop On "Strong Coupling Gauge Theories and E

Scientific paper

We demonstrate that under the "symmetric zero texture" with minimal Majorana mass matrix, neutrino masses and mixing angles are expressed in terms of up-quark masses, $m_t,m_c,m_u$. This provides interesting relations among neutrino mixing angles and up-type quark masses. Especially we predict $|U_{e3}| \leq 0.11$ even if we include the small mixing effects coming from charged lepton side. Also absolute masses of three neutrinos are predicted almost uniquely. This is quite in contrast to the case where bi-large mixings come from the charged lepton sector with non-symmetric charged lepton mass matrix.

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