SmeftFR v3 -- 标准模型有效场论的费曼规则生成器
SmeftFR v3 -- Feynman rules generator for the Standard Model Effective Field Theory
AI总结：
SmeftFR v3是一个Mathematica软件包，用于生成SMEFT的费曼规则，支持至维度-8的算子，可在物理基下计算并导出多种格式，便于高维有效场论研究。
摘要：
我们推出了SmeftFR的第三版，这是一个Mathematica软件包，旨在生成标准模型有效场论（SMEFT）的费曼规则，包括完整的维度-6规范不变算子集和完整的维度-8玻色子算子集。费曼规则通过FeynRules软件包生成，直接基于所有场的物理（质量本征态）基。可以推导出完整的相互作用顶点集，包括所有或任意选定的SMEFT算子子集。作为选项，用户还可以选择偏好的规范固定方式，在幺正规范或$R_ξ$规范中生成费曼规则。SmeftFR第三版的新颖之处在于，它能够在EFT展开中一致地计算至维度-8的SMEFT相互作用（包括二次维度-6项），并直接以用户定义的输入参数集来表达顶点。推导出的质量基拉格朗日量可以导出为FeynRules支持的各种格式，如UFO、FeynArts等。高维算子Wilson系数的数值初始化与WCxf格式接口。该软件包还包含一个专用的Latex生成器，能够以清晰易读的形式打印结果。SmeftFR v3可在www.fuw.edu.pl/smeft公开获取。
英文摘要：
We present version 3 of SmeftFR, a Mathematica package designed to generate the Feynman rules for the Standard Model Effective Field Theory (SMEFT) including the complete set of gauge invariant operators up to dimension-6 and the complete set of bosonic operators of dimension-8. Feynman rules are generated with the use of FeynRules package, directly in the physical (mass eigenstates) basis for all fields. The complete set of interaction vertices can be derived, including all or any chosen subset of SMEFT operators. As an option, the user can also choose preferred gauge fixing, generating Feynman rules in unitary or $R_ξ$-gauges. The novel feature in version-3 of SmeftFR is its ability to calculate SMEFT interactions consistently up to dimension-8 in EFT expansion (including quadratic dimension-6 terms) and express the vertices directly in terms of user-defined set of input-parameters. The derived Lagrangian in the mass basis can be exported in various formats supported by FeynRules, such as UFO, FeynArts etc. Initialisation of numerical values of Wilson coefficients of higher dimension operators is interfaced to WCxf format. The package also includes a dedicated Latex generator allowing to print the result in clear human-readable form. The SmeftFR v3 is publicly available at www.fuw.edu.pl/smeft.
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