Spectroscopy of SU(4) gauge theory with two flavors of sextet fermions

Abstract

We present a first look at the spectroscopy of SU(4) gauge theory coupled to two flavors of Dirac fermions in the two-index antisymmetric representation, which is a real representation. We compute meson and diquark masses, the pseudoscalar and vector meson decay constants, and the masses of six-quark baryons. We make comparisons with large-Nc expectations.

arXiv comment20 pages, 16 figures. v2: updated to match journal version

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• Partial compositeness and baryon matrix elements on the lattice
• Strong dynamics, composite Higgs and the conformal window
• Strong dynamics with matter in multiple representations: SU(4) gauge theory with fundamental and sextet fermions
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• Finite-temperature phase structure of SU(4) gauge theory with multiple fermion representations
• Lattice study of large $N_c$ QCD
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• Review of Neutral Naturalness
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• SU(2) gauge theory with one and two adjoint fermions towards the continuum limit