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Towards Partial Compositeness on the Lattice: Baryons with Fermions in Multiple Representations
Thomas A. DeGrand, Daniel Hackett, William I. Jay +3
We describe our recent lattice study of SU(4) gauge theory with fermions in the fundamental and sextet representations. In this theory, a new type of baryon consists of quarks in b…
Radiative contribution to the effective potential in a composite Higgs model
T. A. DeGrand, M. Golterman, W. I. Jay +3
The SU(4) gauge theory with two flavors of Dirac fermions in the sextet representation shares features of a candidate for a composite Higgs model. The analogue of the Higgs multipl…
Radiative contribution to the effective potential in composite Higgs models from lattice gauge theory
T. A. DeGrand, M. Golterman, W. I. Jay +3
We develop methods to calculate the electroweak gauge boson contribution to the effective Higgs potential in the context of composite Higgs models, using lattice gauge theory. The…
Lattice study of large QCD
Thomas DeGrand, Yuzhi Liu
We present a lattice simulation study of large regularities of meson and baryon spectroscopy in gauge theory with two flavors of dynamical fundamental representatio…
One-loop Chiral Perturbation Theory with two fermion representations
Thomas DeGrand, Maarten Golterman, Ethan T. Neil +1
We develop Chiral Perturbation Theory for chirally broken theories with fermions in two different representations of the gauge group. Any such theory has a non-anomalous singlet $U…