Absorption of a twisted photon by an electron in strong magnetic fieldA. A. Shchepkin, D. V. Grosman, I. I. Shkarupa and D. V. KarlovetsEur. Phys. J. C, 85 1 (2025) 11DOI: https://doi.org/10.1140/epjc/s10052-024-13697-3