Heavy quark diffusion coefficients and thermal quarkonium mass shifts from lattice QCD

5 Nov 2019, 14:40
20m
Ball Room 3 (Wanda Reign Wuhan Hotel)

Ball Room 3

Wanda Reign Wuhan Hotel

Oral Presentation Heavy flavor and quarkonium Parallel Session - Heavy flavor II

Speaker

Olaf Kaczmarek (University of Bielefeld)

Description

We will present recent results on thermal modifications of heavy quark spectral functions and transport properties based on continuum extrapolated charmonium and bottomonium correlation functions in pure SU(3) plasma, extending the previous study in the pseudoscalar channel to the vector channel. Using the gradient flow technique for the color-electric field correlator on large and fine lattices in the quenched approximation as well as in full QCD with physical light quark degrees of freedom, we will discuss the effects of dynamical fermions on the heavy quark momentum diffusion coefficient and provide first estimates on the thermal quarkonium mass shift of heavy quarks in the thermal medium. Furthermore we will extend our previous estimation of the heavy quark momentum diffusion coefficient to a wider temperature range relevant for the phenomenology of heavy quark transport in the QGP medium.

Primary authors

Olaf Kaczmarek (University of Bielefeld) Luis Altenkort (University of Bielefeld) Heng-Tong Ding (Central China Normal University) Anna-Lena Kruse (Bielefeld University) Dr Hiroshi Ohno (Center for Computational Sciences, University of Tsukuba) Dr Hai-Tao Shu (Bielefeld University)

Presentation Materials