Relativistic theory for radiative forward electron emission in heavy ion-atom encounters Doris Jakubaßa-Amundsen, Robert Müller, Andrey Surzhykov and Vladimir Yerokhin Eur. Phys. J. D, 68 12 (2014) 367 Published online: 04 December 2014 DOI: 10.1140/epjd/e2014-50574-7