"Extra Figure u8cm[f614]" of "Study of quark and gluon jet substructure in Z+jet and dijet events from pp collisions"

Measurements of jet substructure describing the composition of quark- and gluon-initiated jets are presented. Proton-proton (pp) collision data at sqrt(s)=13 TeV collected with the CMS detector are used, corresponding to an integrated luminosity of 35.9/fb. Generalized angularities are measured that characterize the jet substructure and distinguish quark- and gluon-initiated jets. These observables are sensitive to the distributions of transverse momenta and angular distances within a jet. The analysis is performed using a data sample of dijet events enriched in gluon-initiated jets, and, for the first time, a Z+jet event sample enriched in quark-initiated jets. The observables are measured in bins of jet transverse momentum, and as a function of the jet radius parameter. Each measurement is repeated applying a "soft drop" grooming procedure that removes soft and large angle radiation from the jet.For easier navigation, figures are named with a code with each letter/number representing in the following order: ungroomed/groomed, AK4/AK8, charged, multiplicity/pTD2/thrust/width/LHA, [central dijet/forward dijet/Z+jet, PT].

本工作报道了用于描述夸克引发喷注与胶子引发喷注组成的喷注子结构测量结果。本分析使用了由紧凑型缪子谱仪（CMS）采集的质心系能量√s=13 TeV的质子-质子（pp）碰撞数据，对应的积分亮度为35.9 fb⁻¹。本分析测量了广义角距（Generalized angularities），此类观测量可用于表征喷注子结构并区分夸克引发与胶子引发的喷注。此类观测量对喷注内部的横向动量与角距离分布具有敏感性。本分析分别采用了胶子引发喷注占优的双喷注事件样本，以及首次使用的夸克引发喷注占优的Z+jet事件样本。我们按照喷注横向动量的分箱方案开展观测量测量，并将其作为喷注半径参数的函数进行表征。每一项测量均通过应用软滴（"soft drop"）喷注修整流程完成，该流程可移除喷注中的软辐射与大角度辐射。为便于查阅，所有图表均采用编码命名，编码的每一位字符/数字按以下顺序代表对应含义：未修整/已修整，AK4/AK8，带电粒子，多重数/pTD2/喷注推力/喷注宽度/LHA，[中心区双喷注/前向区双喷注/Z+jet，横动量（PT）]。