FeynRules -费曼规则变得简单
FeynRules - Feynman rules made easy
摘要：
在本文中，我们提出了FeynRules，一个新的Mathematica软件包，便于实现新的粒子物理模型。在用户实现基本模型信息（例如粒子内容，参数和拉格朗日）之后，FeynRules导出Feynman规则并将其存储在适合于转换为任何Feynman图计算程序的通用形式中。然后可以通过FeynRules转换接口将模型转换为特定于特定Feynman图计算器的格式。这样的接口已经为CalcHEP/CompHEP，FeynArts/FormCalc，MadGraph/MadEvent和Sherpa编写，使得可以一次性编写新模型并使其在所有这些程序中工作。在本文中，我们描述了如何实现一个新的模型，生成费曼规则，使用通用的翻译接口，并编写一个新的翻译接口。我们还讨论了FeynRules代码的细节。
英文摘要：
In this paper we present FeynRules, a new Mathematica package that facilitates the implementation of new particle physics models. After the user implements the basic model information (e.g. particle content, parameters and Lagrangian), FeynRules derives the Feynman rules and stores them in a generic form suitable for translation to any Feynman diagram calculation program. The model can then be translated to the format specific to a particular Feynman diagram calculator via FeynRules translation interfaces. Such interfaces have been written for CalcHEP/CompHEP, FeynArts/FormCalc, MadGraph/MadEvent and Sherpa, making it possible to write a new model once and have it work in all of these programs. In this paper, we describe how to implement a new model, generate the Feynman rules, use a generic translation interface, and write a new translation interface. We also discuss the details of the FeynRules code.
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