Masses of Heavy Fermions and Higgs Boson in Four-Generation Fermion Condensate Scheme11The project partially supported by National Natural Science Foundation of China and by Grant No. LWTZ-1298 of The Chinese Academy of Sciences

Abstract

The renormalization group analyses based on low-energy effective Lagrangian indicate that a model of electroweak symmetry breaking of Nambu-Jona-Lasinio(NJL)-type by full four-generation quark-lepton condensates could accommodate itself to the top-quark mass 174 GeV for the acceptable momentum cutoff GeV. The fourth generation of quarks will have masses in the region 228 366 GeV. The corresponding lep tons will have masses in the region 110 246 GeV and can be heavier than the top quark only if GeV. The mass of the Higgs boson is predicted to be in the region 287 481 GeV which could provide an important experimental test of the model.