"Figure A2b" of "Search for low-mass vector and scalar resonances decaying into a quark-antiquark pair in proton-proton collisions at $\sqrt{s}$ = 13 TeV"

Efficiencies of the selection criteria in the high-$p_{b\bar{b}}$ signal regions, derived from simulated $Z'$ events where the $Z'$ satisfies $p_T>500\,\text{GeV}$ and $|\eta|<2.5$. The efficiencies are shown separately for different quark flavors (denoted ``total''). The efficiencies for all selection criteria, except for the ParticleNet requirements (denoted ``kinematic only''), are also shown to illustrate the performance of the jet tagging algorithm.