UFO - The Universal FEYNRULES Output

UFO - The Universal FEYNRULES Output
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DOI:
10.1016/j.cpc.2012.01.022
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发表时间:
2012-06-01
影响因子:
6.3
通讯作者:
Reiter, Thomas
Reiter, Thomas
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
Degrande, Celine;Duhr, Claude;Reiter, Thomas

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我们提出了一种新的自动化矩阵元素生成器模型格式,即所谓的通用FEYNRULES输出(UFO)。从某种意义上说,这种格式是通用的,因为它具有与多个单一生成器的兼容性,并且被设计为灵活、模块化和不可知的任何假设,例如粒子数量或交互顶点中出现的颜色和洛伦兹结构。与需要解析文本文件的其他模型格式不同,模型上的信息被编码到一个PYTHON模块中,可以很容易地链接到其他计算机代码。然后,我们描述了MATHEMATICA包FEYNRULES的接口,该接口允许以UFO格式自动输出模型。(C) 2012 Elsevier B.V.版权所有
We present a new model format for automatized matrix-element generators, the so-called Universal FEYNRULES Output (UFO). The format is universal in the sense that it features compatibility with more than one single generator and is designed to be flexible, modular and agnostic of any assumption such as the number of particles or the color and Lorentz structures appearing in the interaction vertices. Unlike other model formats where text files need to be parsed, the information on the model is encoded into a PYTHON module that can easily be linked to other computer codes. We then describe an interface for the MATHEMATICA package FEYNRULES that allows for an automatic output of models in the UFO format. (C) 2012 Elsevier B.V. All rights reserved.