Electronic excitation cross section in positron scattering by H2 molecules using distorted-wave method Luciara I. Weiss, Adriane S.F. Pinho, Sergio E. Michelin and Milton M. Fujimoto Eur. Phys. J. D, 72 2 (2018) 35 Published online: 08 February 2018 DOI: 10.1140/epjd/e2017-80584-8