邻近对数的横向能量-能量相关器

IF 5.4 2区管理学 Q1 BUSINESS, FINANCE

Journal of Management Science and Engineering Pub Date : 2023-12-27 DOI:arxiv-2312.16408

Anjie Gao, Hai Tao Li, Ian Moult, Hua Xing Zhu

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引用次数: 0

摘要

我们提出了一种基于算子的因式分解公式，用于计算背对背（dijet）区域的横向能量-能量相关器，并揭示了其显著的微扰简单性以及与横向动量动力学的关系。这种简易性使我们首次实现了强子对撞机二射流事件形状的次对次领先对数（N$^3$LL）精度。我们的因式分解公式适用于彩色单子、$W/Z/\gamma$ +jet和二喷流产生，为一喷流和二喷流终态提供了横动量观测值的自然概括。这为在加速器对撞机上进行QCD和横动量动力学的精确研究提供了一个实验室，也为在一个扰动控制良好的环境中理解因式分解及其违反提供了一个机会。

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The Transverse Energy-Energy Correlator at Next-to-Next-to-Next-to-Leading Logarithm

We present an operator based factorization formula for the transverse energy-energy correlator in the back-to-back (dijet) region, and uncover its remarkable perturbative simplicity and relation to transverse momentum dynamics. This simplicity enables us to achieve next-to-next-to-next-to leading logarithmic (N$^3$LL) accuracy for a hadron collider dijet event shape for the first time. Our factorization formula applies to color singlet, $W/Z/\gamma$ + jet, and dijet production, providing a natural generalization of transverse momentum observables to one- and two-jet final states. This provides a laboratory for precision studies of QCD and transverse momentum dynamics at hadron colliders, as well as an opportunity for understanding factorization and its violation in a perturbatively well controlled setting.

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来源期刊

Journal of Management Science and Engineering Engineering-Engineering (miscellaneous)

CiteScore

9.30

自引率

3.00%

发文量

审稿时长

108 days

期刊介绍： The Journal of Engineering and Applied Science (JEAS) is the official journal of the Faculty of Engineering, Cairo University (CUFE), Egypt, established in 1816. The Journal of Engineering and Applied Science publishes fundamental and applied research articles and reviews spanning different areas of engineering disciplines, applications, and interdisciplinary topics.