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Nonperturbative evaluation of a field correlator appearing in the heavy quarkonium system

1996/09/03 by M. Baker, J. S. Ball, J.S. Ball +2 · 1 citation
Physics and Astronomy · #High-Energy Particle Collisions Research #Quantum Chromodynamics and Particle Interactions #Quantum and Classical Electrodynamics #hep-lat #hep-ph #hep-th

paper · pdf · doi:10.1016/s0370-2693(96)01297-x

published as Phys.Lett. B389 (1996) 577-585 · 13 pages, Latex--Elsevier document class 'elsart'

arxiv created 1996/09/03 · openalex publication_date 1996/12/01 · arxiv updated 2009/11/30 · openalex created_date 2016/06/24 · openalex updated_date 2026/07/28

Abstract

Recently an electric and magnetic field correlator appearing in the description of the heavy quarkonium system was evaluated on the lattice. Here, we give a nonperturbative analytical evaluation of this field correlator using a dual description of long distance Yang--Mills theory and using the stochastic vacuum model. The two predictions are both compatible with lattice data but show a different dependence on the quark separation. We discuss the analytic results in relation to the lattice data.

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