Top panel: temperature T_hot corresponding to the average temperature of the bulk of the hot plasma component that develops after the saturation phase (continuous line). The maximum temperature T_max and the average temperatures ⟨ T ⟩ at each instant are represented by a dotted-dashed line and a dotted line. Bottom panel: histogram of the plasma temperature in the simulation at t = 125 s. The vertical lines in the bottom plot mark the positions of the hot-plasma-component temperature and of the volume-averaged temperatures (T_hot and ⟨ T ⟩).