Dependence of inclusive jet production on the anti-kT distance parameter in pp collisions at $$ \sqrt{\mathrm{s}} $$ = 13 TeV
Dependence of inclusive jet production on the anti-kT distance parameter in pp collisions at $$ \sqrt{\mathrm{s}} $$ = 13 TeV
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DOI：
10.1007/jhep12(2020)082
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发表时间：
2020-05
影响因子：
5
通讯作者：
Cms Collaboration
中科院分区：
文献类型：
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作者：
Cms Collaboration
利用2016年CMS实验采集的累积光度高达35.9 fb−1的数据，研究了质心能量为13 TeV的质子-质子碰撞中包容射流产生对反k T算法距离参数R的依赖关系。当R为0.1 ~ 1.2时，包含截面与横向动量p T和速度y的比值与R= 0时的比值。4个在84< p T< 1588 GeV和| y|< 2区域出现。0. 将计算结果与不同部分子阵雨模型在强耦合常数的前导阶和次导阶的计算结果进行了比较。横截面比随R的变化可以通过包括部分子阵雨模型的计算来很好地描述，但不能通过包括非微扰效应的前阶量子色动力学计算来描述。当采用具有非微扰效应的次领先阶计算时，数据与理论预测之间的一致性得到了显著提高。
The dependence of inclusive jet production in proton-proton collisions with a center-of-mass energy of 13 TeV on the distance parameter R of the anti-k T algorithm is studied using data corresponding to integrated luminosities up to 35.9 fb− 1 collected by the CMS experiment in 2016. The ratios of the inclusive cross sections as functions of transverse momentum p T and rapidity y, for R in the range 0.1 to 1.2 to those using R= 0. 4 are presented in the region 84< p T< 1588 GeV and| y|< 2. 0. The results are compared to calculations at leading and next-to-leading order in the strong coupling constant using different parton shower models. The variation of the ratio of cross sections with R is well described by calculations including a parton shower model, but not by a leading-order quantum chromodynamics calculation including nonperturbative effects. The agreement between the data and the theoretical predictions for the ratios of cross sections is significantly improved when next-to-leading order calculations with nonperturbative effects are used.