Improved calculation of the γ*γ → π process at low Q2 using LCSR’s and renormalization-group summation Sergey Mikhailov, Alexandr Pimikov and N.G. Stefanis EPJ Web Conf., 258 (2022) 03003 Published online: 11 January 2022 DOI: 10.1051/epjconf/202225803003