FeAmGen.jl: A Julia program for Feynman Amplitude Generation

FeAmGen.jl is a Julia package designed to generate Feynman diagrams and their corresponding amplitudes for various processes in particle physics. Utilizing the models in the Universal Feynman Output (UFO) format and Qgraf for diagram generation, it also employs SymEngine.jl and Form for amplitude generation. Additionally, the package offers functions for constructing Feynman integral topologies. In conclusion, FeAmGen.jl provides usability and versatility for the high precision calculations of the perturbative quantum field theory in the Standard Model or in the extensions beyond it. The corresponding codes are available at https://code.ihep.ac.cn/IHEP-Multiloop/FeAmGen.jl.git.

FeAmGen.jl是一款专为粒子物理各类过程生成费曼图及其对应散射振幅的Julia语言包。该工具依托通用费曼输出（Universal Feynman Output, UFO）格式的模型与Qgraf完成费曼图生成，同时结合SymEngine.jl与Form工具开展振幅计算。此外，该软件包还提供了构建费曼积分拓扑结构的相关函数。综上，FeAmGen.jl可为标准模型乃至其超出标准模型的扩展框架下的微扰量子场论高精度计算，提供兼具易用性与通用性的研究工具。相关代码可于https://code.ihep.ac.cn/IHEP-Multiloop/FeAmGen.jl.git获取。