Lorentz factor reached at the uniform state left of the CD ﹩\Gamma ^{*}_{L}﹩ as a function of the normal velocity in the left state ﹩v^{n}_{L}﹩. The right state is held fixed and is given by ﹩( p_{R},\rho _{R},v^{n}_{R},\Gamma _{R},\tilde{\beta }_{R}) =( 10^{-6},10^{-2},0,1,0.1) ﹩. The left state has fixed values in the total pressure, the rest‐mass density, and the Lorentz factor ﹩( p_{L},\rho _{L},\Gamma _{L}) =( 10^{-5},10^{-7},10) ﹩, while the magnetization ﹩\tilde{\beta }_{L}﹩ is varied for each curve as indicated by the different labels (see inset). The solid lines refer to the ﹩_{\leftarrow }\mathstrut{\cal R} \mathstrut{\cal C} \mathstrut{\cal S} _{\rightarrow }﹩ pattern, and the dashed lines refer to a ﹩_{\leftarrow }\mathstrut{\cal S} \mathstrut{\cal C} \mathstrut{\cal S} _{\rightarrow }﹩ pattern. The inset shows a zoom of the solutions for very small values of ﹩v^{n}_{L}﹩, which are the most expected ones for standard jet flows.