Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2000-09-15
Prog.Theor.Phys. 105 (2001) 763-772
Physics
High Energy Physics
High Energy Physics - Phenomenology
12 pages, 4 figures, LaTeX
Scientific paper
10.1143/PTP.105.763
We assume the universal Yukawa coupling (democratic mass matrix) with small violations for quarks, charged leptons and neutrinos masses. We could reproduce the mass hierarchy for quark masses and V_{CKM} matrix elements precisely. We adopt the see-saw mechanism for the explanation of smallness of neutrino masses and introduce the right-handed Majorana neutrinos and Dirac neutrinos. We assume the universal Yukawa coupling with small violations for Majorana and Dirac neutrinos. We can get the hierarchy of charged lepton masses and effective neutrino masses and the large mixing of neutrinos expressed in V_{NMS}.
Asai Takeshi
Teshima Tadayuki
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