Comparative analysis of the secondary electron yield from carbon nanoparticles and pure water medium Alexey Verkhovtsev, Sally McKinnon, Pablo de Vera, Eugene Surdutovich, Susanna Guatelli, Andrei V. Korol, Anatoly Rosenfeld and Andrey V. Solov’yov Eur. Phys. J. D, 69 4 (2015) 116 Published online: 23 April 2015 DOI: 10.1140/epjd/e2015-50908-y