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Resummation of large logarithms in cross sections at subleading power

Aug 9, 2022, 2:30 PM
15m
Oral report TeV物理和超出标准模型新物理 Parallel Session I (1):TeV and BSM Physics

Speaker

Jian Wang (Shandong University)

Description

散射截面是研究粒子基本结构和相互作用的基本观测量。当散射过程涉及多个能标时,精确计算结果很难得到。当能标之比很大时,结果会展示出大对数结构。在领头幂次阶,该大对数已经了解的比较清楚了。但是在次领头幂次阶,会出现新的困难,例如端点发散。这时需要发展新的理论来处理这些困难。我将介绍这方面的最新进展。

Primary author

Jian Wang (Shandong University)

Presentation materials