Projected transverse correlation function (Ξ(Δr)) for C IV. The bins are the same as in Fig. 5. The open circle data points correspond to the measurements obtained by Martin et al. (2010), using the same velocity threshold and estimator. The solid purple line shows a galaxy-galaxy autocorrelation function result (Durkalec et al. 2015), with parameters $r_0=5.{64}_{-0.77}^{+0.69}$ Mpc and $\gamma =1.{81}_{-0.06}^{+0.02}$, and the dashed purple line is its extrapolation to small scales. The solid black line corresponds to the model of Eq. (13), which described further in the main text.