1989•Soviet journal of nuclear physicsRequires access
Mass corrections to the Green's functions in the instanton vacuum model and the static properties of pseudoscalar mesons
S.V. Esaibegyan, Sayatnova Tamaryan
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Abstract
In the instanton vacuum model, consisting of a superposition of instanton--anti-instanton fluctuations we calculate the first nonvanishing mass corrections to effective Green's functions. We calculate correlators of meson currents and determine the static properties of the octet of pseudoscalar mesons.