PoS - Proceedings of Science
Volume 430 - The 39th International Symposium on Lattice Field Theory (LATTICE2022) - Particle physics beyond the Standard Model
Spectroscopy of $Sp(4)$ lattice gauge theory with $n_f=3$ antisymmetric fermions
J.W. Lee*, E. Bennett, D.K. Hong, H. Hsiao, C.J.D. Lin, B. Lucini, M. Piai and D. Vadacchino
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Pre-published on: November 08, 2022
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We perform numerical calculations of masses and decay constants of the lightest (flavoured) pseudoscalar, vector and axial vector mesons in the $Sp(4)$ lattice gauge theory with three Dirac fermions in the antisymmetric representation. The corresponding continuum theory plays an important role in certain ultra-violet complete realisations of composite Higgs, partial top compositeness, and composite dark matter models. In addition, we measure the masses of other flavoured mesons in spin-$0$ and $1$ channels, as well as the first excited state of the vector mesons. Using the gradient flow to set the scale, we carry out the continuum extrapolation and show preliminary results for the meson spectrum of the theory.
DOI: https://doi.org/10.22323/1.430.0214
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