Abnormal Structure of Fermion Mixings in a Seesaw Quark Mass Matrix Model

Details Abnormal Structure of Fermion Mixings in a Seesaw Quark Mass Matrix Model Abnormal Structure of Fermion Mixings in a Seesaw Quark Mass Matrix Model

1997-06-07

arxiv.org/abs/hep-ph/9706277v1

Phys.Rev. D56 (1997) 2656-2664

Physics

High Energy Physics

High Energy Physics - Phenomenology

17 pages (Latex)

Scientific paper

10.1103/PhysRevD.56.2656

It is pointed out that in a seesaw quark mass matrix model which yields a singular enhancement of the top-quark mass, the right-handed fermion-mixing matrix U_R^u for the up-quark sector has a peculiar structure in contrast to the left-handed one U_L^u. As an example of the explicit structures of U_L^u and U_R^u, a case in which the heavy fermion mass matrix M_F is given by a form [(unit matrix)+(rank-one matrix)] is investigated. As a consequence, one finds observable signatures at projected high energy accelerators like the production of a fourth heavy quark family.

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