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 $\mathrm{SU}(2{)}_{\mathrm{L}}\otimes \mathrm{SU}(2{)}_{\mathrm{R}}$ symmetric Yukawa model with mirror fermions. The behaviour of fermion and boson masses is investigated at infinite bare quartic coupling on $4^3\cdot 8$, $6^3\cdot 12$ and $8^3\cdot 16$ lattices. A first estimate of the upper bound on the renormalized quartic coupling as a function of the renormalized Yukawa-coupling is given.

arXiv comment15 pp + 11 Figures appended as Postscript files

References in corpus (4)

• A Method for Simulating Chiral Fermions on the Lattice
• Fermion-Higgs model with Reduced Staggered Fermions
• Spontaneous symmetry breaking on the lattice generated by Yukawa interaction
• Mirror fermions in chiral gauge theories

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• Dynamical fermion mass generation by strong gauge interaction shielded by a scalar field
• Embedding the N=2 Supersymmetric Yang-Mills Theory in the Adjoint Higgs-Yukawa Model on the Lattice
• A class of chiral fermion models
• Status of the Higgs Mass Bound
• Study of the Decoupling of Heavy Fermions in a Z_2 Scalar-Fermion Model
• A confederacy of anomalies
• Which Higgs-Yukawa systems can possess non-trivial fixed points
• Numerical Simulations of an SU(2)_L x SU(2)_R-symmetric Higgs-Yukawa Model on the QUADRICS Q16