First collisions of lead ions seen by the ALICE experiment on 7 November 2010 recorded by the Inner Tracking System. The lines are the reconstructed particle trajectories, and the colour scale indicates the energy of the particles.
First collisions of lead ions seen by the ALICE experiment on 7 November 2010 recorded by the Inner Tracking System. The lines are the reconstructed particle trajectories, and the colour scale indicates the energy of the particles.