Understanding the QCD medium by the diffusion of charm quarks using a color string percolation model

We study the drag and diffusion coefficients of the charm quark in the deconfined matter produced in the ultrarelativistic collisions by taking the color string percolation model (CSPM) approach. CSPM, being a QCD-inspired model, can give us essential information about the hot and dense system produced in ultrarelativistic collisions. With information on the initial percolation temperature and percolation density, we estimate the relaxation time (tau c), drag coefficient (gamma), transverse momentum diffusion coefficient (B0), and spatial diffusion coefficient (Ds) of a charm quark inside a deconfined medium. Finally, we compare the obtained results with lattice QCD and with various other theoretical models. Good agreement can be observed between the results obtained from CSPM and lattice QCD.

Automated summary

We investigate the drag and diffusion coefficients of the charm quark in the deconfined matter formed in ultrarelativistic collisions using the color string percolation model (CSPM). CSPM, as a QCD-inspired model, provides crucial insights into the hot and dense system produced in such collisions. By considering the initial percolation temperature and percolation density, we estimate the relaxation time (tau c), drag coefficient (gamma), transverse momentum diffusion coefficient (B0), and spatial diffusion coefficient (Ds) of a charm quark in the deconfined medium. We compare our findings with lattice QCD and other theoretical models, finding good agreement between CSPM and lattice QCD results.