Quarkonium Phenomenology from a Generalised Gauss Law

Abstract

We present an improved analytic parametrisation of the complex in-medium heavy quark potential derived rigorously from the generalised Gauss law. To this end we combine in a self-consistent manner a non-perturbative vacuum potential with a weak-coupling description of the QCD medium. The resulting Gauss-law parametrisation is able to reproduce full lattice QCD data by using only a single temperature dependent parameter, the Debye mass $m_D$. Using this parametrisation we model the in-medium potential at finite baryo-chemical potential, which allows us to estimate the ${\Psi }^{\prime }$/$J/\Psi$ ratio in heavy-ion collisions at different beam energies.

arXiv comment10 pages, 4 figures. arXiv admin note: text overlap with arXiv:1906.00035

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Cited by in corpus (1)

• Quarkonium Production in the QGP