Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1997-09-22
Phys.Lett. B416 (1998) 415-420
Physics
High Energy Physics
High Energy Physics - Phenomenology
11 pages, LaTeX, 3 eps figures
Scientific paper
10.1016/S0370-2693(97)01352-X
The gauge invariant two-point correlation function of the gauge field strength tensor is calculated in perturbation theory at the next-to-leading order. Besides a direct calculation in perturbative QCD we also present a derivation of the correlation function in the heavy quark effective theory. Our results are briefly compared with recent determinations of the field strength correlator on the lattice.
Eidemueller Markus
Jamin Matthias
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