Numerical simulation of heavy fermions in an SU(2)L x SU(2)R symmetric Yukawa model
Abstract
An exploratory numerical study of the influence of heavy fermion doublets on the mass of the Higgs boson is performed in the decoupling limit of a chiral SU(2)L SU(2)R symmetric Yukawa model with mirror fermions. The behaviour of fermion and boson masses is investigated at infinite bare quartic coupling on 43 · 8, 63 · 12 and 83 · 16 lattices. A first estimate of the upper bound on the renormalized quartic coupling as a function of the renormalized Yukawa-coupling is given.
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