Volume 363 - 37th International Symposium on Lattice Field Theory (LATTICE2019) - Main session
The model dependence of $m_\varrho / f_\pi$
D. Nogradi,* L. Szikszai
*corresponding author
Full text: pdf
Pre-published on: January 04, 2020
Published on: August 27, 2020
Abstract
Should a strongly coupled composite Higgs boson scenario be realized in Nature the most easily accessible experimental signal would be new particles made up of the same ingredients as the Higgs but with different quantum numbers. The lightest of these hypothetical new particles would probably be the vector mesons. In this contribution we report results on $m_\varrho / f_\pi$ in the chiral-continuum limit with $SU(3)$ gauge group and $N_f = 2,3,4,5,6$ flavors of fundamental fermions. In addition we compare $m_\varrho / f_\pi$ results from various models with different gauge groups and fermion content. The main conclusion seems to be that the experimental measurement of this vector meson mass will be able to distinguish between gauge groups but less so between the fermion content.
DOI: https://doi.org/10.22323/1.363.0237
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