The paper completes the minimal fundamental partial compositeness EFT for real and complex TC representations, finding a custodial-triplet VEV with a rho-parameter contribution in SU(5)/SO(5) and no triplet VEV in SU(4)xSU(4)/SU(4).
SU(2) with fundamental fermions and scalars
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abstract
We present preliminary results on the lattice simulation of an SU(2) gauge theory with two fermion flavors and one strongly interacting scalar field, all in the fundamental representation of SU(2). The motivation for this study comes from the recent proposal of "fundamental" partial compositeness models featuring strongly interacting scalar fields in addition to fermions. Here we describe the lattice setup for our study of this class of models and a first exploration of the lattice phase diagram. In particular we then investigate how the presence of a strongly coupled scalar field affects the properties of light meson resonances previously obtained for the SU(2) model.
fields
hep-ph 1years
2019 1verdicts
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Real and Complex Fundamental Partial Compositeness
The paper completes the minimal fundamental partial compositeness EFT for real and complex TC representations, finding a custodial-triplet VEV with a rho-parameter contribution in SU(5)/SO(5) and no triplet VEV in SU(4)xSU(4)/SU(4).