TY - UNPB
T1 - 2-flavour $SU(2)$ gauge theory with exponential clover Wilson fermions
AU - Bowes, Laurence Sebastian
AU - Drach, Vincent
AU - Fritzsch, Patrick
AU - Rago, Antonio
AU - Romero-Lopez, Fernando
N1 - Proceedings of The 40th International Symposium on Lattice Field Theory (Lattice 2023)
PY - 2023/12/31
Y1 - 2023/12/31
N2 - Composite Higgs models are a class of models proposed to address the hierarchy and naturalness problems associated with the Standard Model fundamental scalar Higgs. $SU(2)$ with two fundamental flavours is a minimal model for the composite Higgs sector which is not yet ruled out by experimental data. We present lattice results for $SU(2)$ with two fundamental mass degenerate flavours. For the fermion action we use the new exponential clover Wilson fermion action, which offers $O(a)$ improvement. We discuss tuning the $c_{\mathrm{SW}}$ parameter through Schr\"{o}dinger functional simulations, the scale setting of the ensembles using the Wilson gauge flow, and the low energy spectroscopy of the theory including the masses of the pseudoscalar isotriplet Goldstone bosons and the vector isotriplet.
AB - Composite Higgs models are a class of models proposed to address the hierarchy and naturalness problems associated with the Standard Model fundamental scalar Higgs. $SU(2)$ with two fundamental flavours is a minimal model for the composite Higgs sector which is not yet ruled out by experimental data. We present lattice results for $SU(2)$ with two fundamental mass degenerate flavours. For the fermion action we use the new exponential clover Wilson fermion action, which offers $O(a)$ improvement. We discuss tuning the $c_{\mathrm{SW}}$ parameter through Schr\"{o}dinger functional simulations, the scale setting of the ensembles using the Wilson gauge flow, and the low energy spectroscopy of the theory including the masses of the pseudoscalar isotriplet Goldstone bosons and the vector isotriplet.
KW - hep-lat
U2 - 10.48550/arxiv.2401.00589
DO - 10.48550/arxiv.2401.00589
M3 - Preprint
BT - 2-flavour $SU(2)$ gauge theory with exponential clover Wilson fermions
ER -