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Volume 363 - 37th International Symposium on Lattice Field Theory (LATTICE2019) - Main session
Interglueball potential in SU(N$_c$) lattice gauge theory
N. Yamanaka,* H. Iida, A. Nakamura, M. Wakayama
*corresponding author
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Pre-published on: 2020 January 03
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We report on our calculation of the interglueball potentials in $SU(2)$, $SU(3)$, and $SU(4)$ lattice Yang-Mills theories using the indirect (so-called HAL QCD) method. We use the cluster decomposition error reduction technique to improve the statistical accuracy of the glueball correlators. After calculating the glueball scattering cross section in $SU(2)$ Yang-Mills theory and combining with the observational data of the dark matter mass distributions, we derive the lower limit on the scale parameter.
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