Double differential cross sections for liquid water ionization by fast electron impact Maria Laura de Sanctis, Marie-Françoise Politis, Rodolphe Vuilleumier, Carlos R. Stia and Omar A. Fojón Eur. Phys. J. D, 71 5 (2017) 125 Published online: 25 May 2017 DOI: 10.1140/epjd/e2017-70615-y