Frontier of Analytic Feynman Integrals

by 英轩 徐 (柏林洪堡大学)

Wednesday 11 Jun 2025, 12:00 → 13:00 Asia/Shanghai

B105 (CHEP)

Multi-particle scattering lies at the core of collider physics, bridging experimental observations, phenomenology, and fundamental theory. We present the first analytic evaluation of planar two-loop six-particle and three-loop five-particle integrals, overcoming long-standing challenges in multi-scale computations. Using innovative techniques such as differential equation in momentum twistor, advanced IBP reduction, alphabet prediction and one-fold integration, this breakthrough enables precise predictions for multi-jet processes and \alpha_s, potentially significantly reducing cross-section uncertainties and advancing collider phenomenology. Our work lays the foundation for precision studies of multi-particle scattering and offers critical insights into gauge theory dynamics.

个人简介：徐英轩博士，现为柏林洪堡大学（Humboldt-Universität zu Berlin）博士后研究员，即将前往卡尔斯鲁厄理工学院（KIT）工作。本科毕业于南开大学，硕士毕业于苏黎世联邦理工学院（ETH Zurich），并在柏林洪堡大学获得博士学位。
徐博士的研究方向主要集中在高能物理和引力波物理中的散射振幅计算，涉及QCD费曼积分、引力波过程中的精密计算，以及新计算方法的探索。
目前，徐博士在《Journal of High Energy Physics》、Physical Review Letters 等国际期刊上发表了5篇论文，总引用次数为176次。