New correlation effects in photoionization in the high-energy limit C. J. Yang, A. M. Sossah, H.-L. Zhou, A. Z. Msezane and S. T. Manson Eur. Phys. J. D, 79 6 (2025) 66 Published online: 12 June 2025 DOI: 10.1140/epjd/s10053-025-01016-8