论文标题

MARTY用户界面用于计算一般威尔逊系数

The MARTY user interface for the calculation of general Wilson coefficients

论文作者

Uhlrich, G.

论文摘要

超出标准模型(BSM)方案的一般一环威尔逊系数的计算通常是通过手动进行长时间和错误的错误分析计算来解决的技术挑战。几个软件程序已经在循环级别提供了平方的振幅计算,但是很少有人能够得出必要的一般环路级威尔逊系数,例如。为了研究风味物理学的夸克腐烂。马蒂(Marty)是一种计算机程序,该程序可自动化一般BSM方案的树级和一环扰动计算,以获取此类Wilson系数。我们详细介绍了简单的用户界面,允许在Marty中得出常见的Wilson系数,以及Marty最普遍的用例,用于提取任何有效的操作员的系数。

The calculation of one-loop Wilson coefficients for general Beyond the Standard Model (BSM) scenarios is a technical challenge often addressed by doing long and error prone analytical calculations by hand. Several software programs already provide squared amplitude calculations at the loop-level, but few of them are also able to derive general loop-level Wilson coefficients necessary e.g. for the study of quark decays in flavor physics. MARTY, a computer program that automates tree-level and one-loop perturbative calculations for general BSM scenarios can in particular be used to obtain such Wilson coefficients. We present in details the simple user interface allowing to derive common Wilson coefficients in MARTY, and the most general use case of MARTY to extract the coefficient of any effective operator.

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