Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1998-09-02
Nucl.Phys.Proc.Suppl. 74 (1999) 201-204
Physics
High Energy Physics
High Energy Physics - Phenomenology
4 pages, Latex (espcrc2.sty), 2 figures. Talk presented at the Euroconference QCD'98, Montpellier, July 2-8, 1998; to appear i
Scientific paper
10.1016/S0920-5632(99)00162-0
Starting from the NRQCD Lagrangian the heavy quark-antiquark potential is
written in terms of field strength insertions on a static Wilson loop. The
relevant matching coefficients are given at the present status of knowledge.
The short-range, perturbatively dominated, behaviour of the spin-dependent
terms is discussed.
Brambilla Nora
Vairo Antonio
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