Impact of NNLO QED corrections on lepton-proton scattering at MUSE T. Engel, F. Hagelstein, M. Rocco, V. Sharkovska, A. Signer and Y. Ulrich Eur. Phys. J. A, 59 11 (2023) 253 Published online: 03 November 2023 DOI: 10.1140/epja/s10050-023-01153-x