"Table 533" 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"

Single- and double-differential cross-section measurements are presented for the production of top-quark pairs, in the lepton + jets channel at particle and parton level. Two topologies, resolved and boosted, are considered and the results are presented as a function of several kinematic variables characterising the top and $t\bar{t}$ system and jet multiplicities. The study was performed using data from pp collisions at centre-of-mass energy of 13 TeV collected in 2015 and 2016 by the ATLAS detector at the CERN Large Hadron Collider (LHC), corresponding to an integrated luminosity of 36 fb$^{−1}$. Due to the large $t\bar{t}$ cross-section at the LHC, such measurements allow a detailed study of the properties of top-quark production and decay, enabling precision tests of several Monte Carlo generators and fixed-order Standard Model predictions. Overall, there is good agreement between the theoretical predictions and the data.

本研究呈现了粒子层次（particle level）与部分子层次（parton level）下，轻子+喷注道（lepton + jets channel）中顶夸克对（top-quark pairs）产生过程的单微分与双微分截面（single- and double-differential cross-section）测量结果。本研究考虑了分辨型（resolved）与助推型（boosted）两种拓扑结构（topology），并将结果以多个表征顶夸克、顶夸克-反顶夸克（$tar{t}$）系统以及喷注多重数（jet multiplicities）的运动学变量（kinematic variables）为函数形式给出。本分析使用欧洲核子研究中心（CERN）大型强子对撞机（Large Hadron Collider, LHC）上的ATLAS探测器（ATLAS detector）采集的2015年至2016年13 TeV质心系能量下的质子-质子（pp）对撞数据完成，对应积分亮度（integrated luminosity）为36 fb⁻¹。由于大型强子对撞机（LHC）上顶夸克-反顶夸克对的产生截面极高，此类测量可开展顶夸克产生与衰变性质的细致研究，为多款蒙特卡洛发生器（Monte Carlo generators）以及固定阶标准模型（Standard Model）预言提供精确检验。总体而言，理论预言与实验数据之间展现出良好的一致性。