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高圈多外线费曼积分的解析计算

Not scheduled
20m
Oral report TeV物理和超出标准模型新物理 分会场一

Speaker

Yang Zhang (University of Science and Technology of China)

Description

费曼积分是高能物理精确理论预言的基本计算工具。传统高圈多外线费曼积分的解析计算非常困难。运用动量 twistor 变量和多对数函数字母表新搜索算法,我们在高圈多外线费曼积分解析计算领域取得了突破。我们将介绍维数正规化下双圈六点费曼积分的解析结果,该成果可用于 4 jets 产生过程的 NNLO 截面计算。这一发展也是迄今为止维数正规化下,含标度最多的双圈费曼积分解析结果。

Primary author

Yang Zhang (University of Science and Technology of China)

Presentation materials