A 3D view of the σ ∼ 1 jet evolved with the MHD-PIC mode at t = 20 (top), and 45 L/c (bottom). Left panels: the black lines represent the magnetic field, and the circles the 50,000 particle distribution. The color and size of the circles indicate the value of their kinetic energy normalized by the rest mass energy (γ _p − 1). Right panels: the orange color represents isosurfaces of half of the maximum of the current density intensity ∣J∣, the black lines the magnetic field, and the green squares correspond to the positions of the fastest magnetic reconnection events, with reconnection rate ≥0.05. See the text for more details.