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Fig. 1

image

Sketch of the protostar configuration employed in the paper. Accretion flow, jet, and shock velocities (vacc, vjet, and vsh, respectively) are in the observer reference frame. Shock and transverse radii are labelled Rsh and R, respectively. Bow shock, reverse bow shock, bow wings, and working surface are labelled BS, rBS, BW, and ws, respectively. The shaded areas show the regions where CR acceleration takes place (Sect. 2.1) and where turbulence is damped and particle propagation occurs (Sect. 6). The dot-filled region corresponds to the hot spot region (Sect. 6.2).

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