Fig. 7
From: The role of shock waves on the biodamage induced by ion beam radiation

(Figure adapted from de Vera et al. (2018), with kind permission of The European Physical Journal D)
OH radical distributions produced in liquid water around a a 200-keV/u carbon ion’s path and b a 500-keV proton path. The solid line represents the ion’s path, while spheres represent the OH radical atoms (red = oxygen, white = hydrogen), and the rest of water molecules in the environment are not displayed for clarity. See the text for details