源自重味夸克的矢量玻色子和喷流的相关产生及其对CMS中pdf文件的约束

A. Stepennov
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引用次数: 0

摘要

相关的矢量玻色子V (W, Z或γ)和源自重味夸克(c或b)的喷流的产生是其他标准模型过程测量、希格斯玻色子研究和许多超越标准模型的物理搜索的一个大背景来源。研究带有重味喷流的矢量玻色子的事件对于改进微扰QCD的理论计算以及验证相关的蒙特卡罗预测至关重要。用8和13 TeV的CMS探测器测量了V+ c/b射流的微分截面作为若干运动观测值的函数。用c夸克的喷流产生矢量玻色子的相关研究特别有趣,因为它允许提取质子部分子密度函数的信息。8
本文章由计算机程序翻译,如有差异,请以英文原文为准。
The associated production of vector bosons and jets originating from heavy-flavour quarks and constrain on PDFs in CMS
The associated production of vector bosons V (W, Z or gamma) and jets originating from heavyflavour (c or b) quarks is a large background source in measurements of other standard model processes, Higgs boson studies, and many searches for physics beyond the standard model. The study of events with a vector boson accompanied by heavy-flavour jets is crucial to refine the theoretical calculations in perturbative QCD, as well as to validate associated Monte Carlo predictions. Differential cross sections in V+ c/b jets are measured as a function of several kinematic observables with the CMS detector at 8 and 13 TeV. The study of the associated production of a vector boson with jets from a c-quark is especially interesting, as it allows to extract information on the proton parton density functions. 8
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