Resurgence of the QCD Adler function

Published 7 Apr 2021 in hep-ph and hep-th | (2104.03095v2)

Abstract: We study the QCD Adler function in the energy region $\approx 0.7-2.5$ GeV, in which the non-perturbative effects become dominant. Our analysis is a renormalon-based evaluation using transseries within the resurgence of the Renormalization-Group-Equation and does not require the Operator-Product-Expansion.

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