Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2006-06-12
Phys.Rev. D74 (2006) 033014
Physics
High Energy Physics
High Energy Physics - Phenomenology
21 pages, 3 figures
Scientific paper
10.1103/PhysRevD.74.033014
We reconsider an universal mass matrix model which has a seesaw-invariant structure with four-zero texture common to all quarks and leptons. The CKM quark and MNS lepton mixing matrices of the model are analyzed analytically.We show that the model can be consistent with all the experimental data of neutrino oscillation and quark mixings by tuning free parameters of the model. It is also shown that the model predicts a relatively large value for (1,3) element of the MNS lepton mixing matrix, |(U_{MNS})_{13}|^2 \simeq 2.6 \times 10^{-2}. Using the seesaw mechanism, we also discuss the conditions for the components of the Dirac and the right-handed Majorana neutrino mass matrices which lead to the neutrino mass matrix consistent with the experimental data.
Matsuda Koichi
Nishiura Hiroyuki
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