Hybrid static potentials and gluelumps on $N_f=3+1$ ensembles
R. Höllwieser*,
F. Knechtli,
T. Korzec,
M.J. Peardon,
L. Struckmeier and
J.A. Urrea-Niño*: corresponding author
Pre-published on:
February 21, 2025
Published on:
—
Abstract
QCD permits the existence of hybrid mesons that are made up of both quarks and gluons, including exotic states, i.e., quantum numbers prohibited for pure quark-antiquark states, with possible candidates found in experiments. We present static hybrid potentials measured via Laplace trial states together with static-light meson thresholds on $N_f=3+1$ dynamical fermion ensembles with 420 MeV pions. Furthermore, we measure corresponding gluelump masses which refer to the $R\rightarrow0$ limit of the hybrid potentials and are essential input parameters for effective models to describe hybrid mesons.
DOI: https://doi.org/10.22323/1.466.0102
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