Interchannel mixing in the K-shell photoionization of CH4 Nikolay M. Novikovskiy, Dmitriy V. Rezvan, Ivan D. Petrov, Boris M. Lagutin, Philipp V. Demekhin and Victor L. Sukhorukov Eur. Phys. J. D, 73 4 (2019) 83 Published online: 17 April 2019 DOI: 10.1140/epjd/e2019-90549-6