Topic: Quantum Scaling in the Non-Perturbative Energy Correlator

Speaker: Prof. Xiaohui Liu

Coordinates: PCFT C1124, 16:00, Thursday, June 18

Abstract: Energy correlators provide a new way to study QCD by resolving the angular flow of energy produced in high-energy collisions. At small angles, the Energy-Energy Correlator exhibits two distinct regimes: a perturbative pre-confinement scaling region governed by quark and gluon splittings, and a non-perturbative post-confinement plateau reflecting the formation of hadrons. In this talk, I will discuss how the scaling of this post-confinement regime with the hard scale Q can be described using the light-ray operator product expansion and its connection to the dihadron fragmentation function. This provides a bridge between formal light-ray operator methods and phenomenological descriptions of hadron formation. I will also discuss the potential of the scaling as a new precision handle on the strong coupling constant.

Speaker Profile: 刘晓辉，2004年本科毕业于中国科学技术大学，博士毕业于匹兹堡大学。先后于西北大学，阿贡国家实验室以及马里兰大学进行博士后研究。2017年加入北京师范大学，历任副研究员、教授。主要研究领域为强相互作用与量子色动力学（QCD），围绕因子化定理、喷注物理、核子结构等方向开展研究，致力于发展对撞机观测量与QCD非微扰机制之间的理论联系，为理解强子化、核子结构和强相互作用精确测量提供新的研究方法。