Universal seesaw mass-matrix model and SO(10) $\times$ SO(10) unification
نویسندگان
چکیده
منابع مشابه
Universal Seesaw Mass Matrix Model
Stimulated by the recent development of the “universal seesaw mass matrix model”, an application of the model to the neutrino mass matrix is investigated: For the charged lepton and down-quark sectors, the model explains the smallness of their masses mf by the conventional seesaw mechanism Mf ≃ mLM F mR (MF is a mass matrix of hypothetical heavy fermions F ). On the other hand, the observed fac...
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The universal seesaw mass matrix model contains extra fermions FiL = (1, 1) and FiR = (1, 1) (i = 1, 2, 3: family numbers) in addition to the conventional quarks and leptons fiL = (2, 1) and fiR = (1, 2) of SU(2)L×SU(2)R, but the meaning of FL and FR in the unification scenario is not yet clear in spite of the phenomenological success of the model. As a candidate of the unification scenarios wh...
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Stimulated by the phenomenological success of the universal seesaw mass matrix model, where the mass terms for quarks and leptons fi (i = 1, 2, 3) and hypothetical super-heavy fermions Fi are given by fLmLFR +FLmRfR + FLMFFR + h.c. and the form of MF is democratic on the bases on which mL and mR are diagonal, the following model is discussed: The mass terms MF are invariant under the permutatio...
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Stimulated by a recent development of the universal seesaw mass matrix model, the evolutions of the gauge and Yukawa coupling constants are investigated under the gauge symmetries SU(3)c×SU(2)L×SU(2)R×U(1)Y . Especially, an investigation is made as to whether this evolution can constrain the necessary intermediate scales in these types of models and its viability. 12.15.Ff, 11.10.Hi, 12.60.-i T...
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Stimulated by a universal seesaw mass matrix model which can successfully give quark masses and CKM matrix elements in terms of charged lepton masses, the evolution of the seesaw mass matrices is investigated. Especially, an energy scale at which the parameters characterizing between quark and lepton mass matrices are unified is evaluated. PACS: 12.15.Ff, 11.10.Hi, 12.60.-i
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ژورنال
عنوان ژورنال: The European Physical Journal C
سال: 1999
ISSN: 1434-6044,1434-6052
DOI: 10.1007/s100529900060