Two-photon decay of fully-charmed tetraquarks from light-by-light scattering at the LHCVolodymyr Biloshytskyi, Lucian Harland-Lang, Bogdan Malaescu, Vladimir Pascalutsa, Kristof Schmieden and Matthias SchottEPJ Web Conf., 274 (2022) 06007DOI: https://doi.org/10.1051/epjconf/202227406007