QCD mesonic screening masses using Gribov quantization

Abstract

The screening masses of mesons provide a gauge invariant and definite order parameter of chiral symmetry restoration. Different mesonic correlation lengths for flavor non-singlets, at least up to NLO, are well-defined gauge invariant physical quantities calculated earlier using the perturbative resummation techniques. The NLO perturbative results match the available non-perturbative lattice QCD results at the high-temperature regime. We have studied the spatial correlation lengths of various mesonic observables using the non-perturbative Gribov resummation, both for quenched QCD and (2 + 1) flavor QCD. The study follows the analogies with the NRQCD effective theory, a well-known theory for studying heavy quarkonia at zero temperature.

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Cited by in corpus (7)

• Energy loss of a fast moving parton in Gribov-Zwanziger plasma
• The complex heavy-quark potential with the Gribov-Zwanziger action
• Mean free path of photons in relativistic heavy ion collisions
• Shear and bulk viscosity of quark-gluon plasma with Gribov gluons and quasiparticle quarks
• Heavy quark dynamics via Gribov-Zwanziger approach
• Anisotropy effects on heavy quark dynamics in Gribov modified gluon plasma
• Unified analysis of screening masses for vector and axial-vector mesons and their diquark partners in the Contact Interaction model