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- W1565492027 abstract "We review our recent results cite{bsult} on the derivation of a B-S equation in QCD in a Wilson loop context. We work in a second order formalism, use the Feynman--Schwinger path integral representation for a quark in external field and obtain a similar expression for a quark--antiquark amplitude in which the gauge fields appears only through the Wilson loop integral $W$. A $ q bar{q}$ B-S equation is obtained starting from this expression under the assumption, already used in the derivation of heavy quark potential, that $i ln W$ can be expressed as the sum of a perturbative contribution and an area term. The intrinsically nonperturbative derivation method is first discussed on the simpler case of two spinless particles interacting through a scalar field. The $q bar{q}$ semirelativistic potential is reobtained in the large quark mass limit." @default.
- W1565492027 created "2016-06-24" @default.
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- W1565492027 date "1995-10-03" @default.
- W1565492027 modified "2023-09-27" @default.
- W1565492027 title "Quark--Antiquark Bethe--Salpeter Equation in QCD" @default.
- W1565492027 hasPublicationYear "1995" @default.
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