"Table 883" of "Measurements of top-quark pair differential and double-differential cross-sections in the $\ell$+jets channel with $pp$ collisions at $\sqrt{s}=13$ TeV using the ATLAS detector"

Covariance matrix of the Absolute differential cross-section as function of $N^{extra jets}$ at particle level in the boosted topology, accounting for the statistical and systematic uncertainties.增强拓扑（boosted topology）下粒子层面、以额外喷注数（$N^{extra jets}$）为自变量的绝对微分截面（Absolute differential cross-section）的协方差矩阵（Covariance matrix），其计入了统计与系统不确定性。