First experimental prompt γ-ray spectra in fast neutron-induced fission of 238U J.-M. Laborie, G. Bélier, J. Taieb, A. Oberstedt and S. Oberstedt EPJ Web Conf., 146 (2017) 04032 Published online: 13 September 2017 DOI: 10.1051/epjconf/201714604032