Production of hydronium ion (H3O)+ and protonated water clusters (H2O)nH+ after energetic ion bombardment of water ice in astrophysical environments - Martinez, R; Agnihotri, A N; Boduch, Philippe; Domaracka, A; Fulvio, D; Muniz, Gabriel Silva Vignoli; Palumbo, M E; Rothard, H; Strazzulla, G (Journal of Physical Chemistry A, 2019)