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Author

N. Volchanskiy

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Preprint Nov 2026

Renormalon-chain contributions to two-point correlators of nonlocal quark currents and light-meson distribution amplitudes

In the framework of QCD sum rules, we study the endpoint slopes of the leading-twist distribution amplitudes in the large-$\beta_0$ approximation for the pion and the longitudinally polarized $\rho$ meson. To this end, we compute the two-point massless correlator of non-local composite vector quark currents with the gl...

S. Mikhailov, N. Volchanskiy · 0 citations

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