We study the QCD Adler function in the energy region ≈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.
Cite
@article{arxiv.2104.03095,
title = {Resurgence of the QCD Adler function},
author = {Alessio Maiezza and Juan Carlos Vasquez},
journal= {arXiv preprint arXiv:2104.03095},
year = {2021}
}