PoS - Proceedings of Science
Volume 430 - The 39th International Symposium on Lattice Field Theory (LATTICE2022) - Non-zero Temperature
New results for thermal interquark bottomonium potentials using NRQCD from the HAL QCD method
T. Spriggs*, C. Allton, T. Burns and S. Kim
Full text: pdf
Pre-published on: January 08, 2023
Published on: April 06, 2023
We report progress in the calculation of the thermal interquark potential of bottomonium using the HAL QCD method applied to bottom quarks in the non-relativistic approximation (i.e. NRQCD). We exploit the fast Fourier transform algorithm, using a momentum space representation, to efficiently calculate NRQCD correlation functions of non-local mesonic S-wave states, and thus obtain the potential for temperatures in both the hadronic and plasma phases. This work was
performed on our anisotropic 2+1 flavour “Generation 2" FASTSUM ensembles.
DOI: https://doi.org/10.22323/1.430.0192
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