a) Relative density, normalized to the average target density, below the impact crater formed by the impact of a Np = 50 projectile at velocity 150 m s-1, Fig. 1e. Data are taken in a prismatic column with a square cross-section of 10 μm edge length below the center of the impact point. Depth 0 denotes the position of the original surface. b) Relative density for the same event evaluated in spherical shells of 5 μm thickness around the projectile impact point.
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