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Theoretical study reveals higher-spin glueball spectra in pure Yang–Mills theory, indicating strong quantitative agreement with nonperturbative lattice results.
We calculate the glueball spectrum for spin up to $$J=$$ J = 4 and positive charge parity in pure Yang–Mills theory. We construct the full bases for $$J=$$ J = 0, 1, 2, 3, 4 and discuss the relation to gauge invariant operators. Using a fully self-contained truncation of Dyson–Schwinger equations as input, we obtain ground states and first and second excited states from extrapolations of the eigenvalue curves. Where available, we find good quantitative agreement with lattice results
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Huber et al. (2021) studied this question.
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