Chemistry induced by energetic ions in water ice mixed with molecular nitrogen and oxygen Ph. Boduch, A. Domaracka, D. Fulvio, T. Langlinay, X. Y. Lv, M. E. Palumbo, H. Rothard and G. Strazzulla A&A, 544 (2012) A30 Published online: 20 July 2012 DOI: 10.1051/0004-6361/201219365