First Results on 238U(n,f) Prompt Fission Neutron Spectra from 1 to 200 MeV incident neutron energy Paola Marini, Benoit Laurent, Gilbert Belier, Thomas Bonnet, Audrey Chatillon, Julien Taieb, David Etasse, Matthew Devlin and Robert Haight EPJ Web Conf., 193 (2018) 03002 Published online: 14 November 2018 DOI: 10.1051/epjconf/201819303002